gh actions: upgrade to 1.2.11-1

2025-11-23 10:48:22 +00:00 · 2025-11-23 10:00:56 +00:00 · 2025-11-23 09:06:43 +00:00 · 2025-11-16 17:01:06 +08:00 · 2025-11-16 15:29:38 +08:00 · 2025-11-15 11:14:14 +08:00
33 changed files with 1687 additions and 635 deletions
--- a/debian/changelog
+++ b/debian/changelog
@ -1,3 +1,57 @@
+libserverframe (1.2.11-1) unstable; urgency=medium
+
+  * upgrade to 1.2.11-1
+
+ -- YuQing <384681@qq.com>  Sun, 23 Nov 2025 10:48:22 +0000
+
+libserverframe (1.2.11-1) unstable; urgency=medium
+
+  * upgrade to 1.2.11-1
+
+ -- YuQing <384681@qq.com>  Sun, 23 Nov 2025 10:00:56 +0000
+
+libserverframe (1.2.11-1) unstable; urgency=medium
+
+  * upgrade to 1.2.11-1
+
+ -- YuQing <384681@qq.com>  Sun, 23 Nov 2025 09:06:43 +0000
+
+libserverframe (1.2.8-1) unstable; urgency=medium
+
+  * upgrade to 1.2.8-1
+
+ -- YuQing <384681@qq.com>  Sat, 16 Aug 2025 16:32:03 +0000
+
+libserverframe (1.2.7-1) unstable; urgency=medium
+
+  * upgrade to 1.2.7-1
+
+ -- YuQing <384681@qq.com>  Sun, 06 Apr 2025 16:56:40 +0000
+
+libserverframe (1.2.5-1) unstable; urgency=medium
+
+  * upgrade to 1.2.5-1
+
+ -- YuQing <384681@qq.com>  Sun, 29 Sep 2024 15:24:39 +0000
+
+libserverframe (1.2.4-1) unstable; urgency=medium
+
+  * upgrade to 1.2.4-1
+
+ -- YuQing <384681@qq.com>  Sat, 15 Jun 2024 14:45:44 +0000
+
+libserverframe (1.2.3-1) unstable; urgency=medium
+
+  * upgrade to 1.2.3-1
+
+ -- YuQing <384681@qq.com>  Sun, 17 Mar 2024 15:11:04 +0000
+
+libserverframe (1.2.2-1) unstable; urgency=medium
+
+  * upgrade to 1.2.2-1
+
+ -- YuQing <384681@qq.com>  Wed, 31 Jan 2024 12:00:10 +0000
+
 libserverframe (1.2.1-1) unstable; urgency=medium

  * upgrade to 1.2.1-1
--- a/debian/substvars
+++ b/debian/substvars
@ -1 +1 @@
-libfastcommon:Version=1.0.71
+libfastcommon:Version=1.0.83
--- a/libserverframe.spec
+++ b/libserverframe.spec
@ -2,7 +2,7 @@
 %define CommitVersion %(echo $COMMIT_VERSION)

 Name: libserverframe
-Version: 1.2.2
+Version: 1.2.11
 Release: 1%{?dist}
 Summary: network framework library
 License: AGPL v3.0
@ -12,9 +12,9 @@ Source: http://github.com/happyfish100/libserverframe/%{name}-%{version}.tar.gz

 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)

-BuildRequires: libfastcommon-devel >= 1.0.72
+BuildRequires: libfastcommon-devel >= 1.0.83
 Requires: %__cp %__mv %__chmod %__grep %__mkdir %__install %__id
-Requires: libfastcommon >= 1.0.72
+Requires: libfastcommon >= 1.0.83

 %description
 common framework library 
--- a/make.sh
+++ b/make.sh
@ -9,10 +9,13 @@ DEBUG_FLAG=0

 if [ -f /usr/include/fastcommon/_os_define.h ]; then
  OS_BITS=$(grep -F OS_BITS /usr/include/fastcommon/_os_define.h | awk '{print $NF;}')
+  USE_URING=$(grep -F IOEVENT_USE_URING /usr/include/fastcommon/_os_define.h | awk '{print $NF;}')
 elif [ -f /usr/local/include/fastcommon/_os_define.h ]; then
  OS_BITS=$(grep -F OS_BITS /usr/local/include/fastcommon/_os_define.h | awk '{print $NF;}')
+  USE_URING=$(grep -F IOEVENT_USE_URING /usr/local/include/fastcommon/_os_define.h | awk '{print $NF;}')
 else
  OS_BITS=64
+  USE_URING=''
 fi

 uname=$(uname)
@ -49,6 +52,9 @@ LIBS=''
 uname=$(uname)
 if [ "$uname" = "Linux" ]; then
  CFLAGS="$CFLAGS"
+  if [ -n "$USE_URING" ]; then
+    LIBS="$LIBS -luring"
+  fi
 elif [ "$uname" = "FreeBSD" ] || [ "$uname" = "Darwin" ]; then
  CFLAGS="$CFLAGS"
  if [ "$uname" = "Darwin" ]; then
@ -132,6 +138,7 @@ fi

 cd ..
 cp Makefile.in Makefile
+sed_replace "s#\\\$(CC)#gcc#g" Makefile
 sed_replace "s#\\\$(CFLAGS)#$CFLAGS#g" Makefile
 sed_replace "s#\\\$(LIBS)#$LIBS#g" Makefile
 sed_replace "s#\\\$(TARGET_PREFIX)#$TARGET_PREFIX#g" Makefile
--- a/src/idempotency/client/client_channel.c
+++ b/src/idempotency/client/client_channel.c
@ -194,7 +194,7 @@ static struct fast_task_info *alloc_channel_task(IdempotencyClientChannel
        return NULL;
    }

-    snprintf(task->server_ip, sizeof(task->server_ip), "%s", server_ip);
+    fc_safe_strcpy(task->server_ip, server_ip);
    task->port = port;
    task->arg = channel;
    task->thread_data = g_sf_context.thread_data +
@ -203,7 +203,8 @@ static struct fast_task_info *alloc_channel_task(IdempotencyClientChannel
    channel->last_connect_time = g_current_time;
    if ((*err_no=sf_nio_notify(task, SF_NIO_STAGE_CONNECT)) != 0) {
        channel->in_ioevent = 0;   //rollback
-        sf_release_task(task);
+        __sync_sub_and_fetch(&task->reffer_count, 1);
+        free_queue_push(task);
        return NULL;
    }
    return task;
@ -213,6 +214,15 @@ int idempotency_client_channel_check_reconnect(
        IdempotencyClientChannel *channel)
 {
    int result;
+    char formatted_ip[FORMATTED_IP_SIZE];
+
+#if IOEVENT_USE_URING
+    struct fast_task_info *task;
+    task = channel->task;
+    if (SF_CTX->use_io_uring && FC_ATOMIC_GET(task->reffer_count) > 1) {
+        return 0;
+    }
+#endif

    if (!__sync_bool_compare_and_swap(&channel->in_ioevent, 0, 1)) {
        return 0;
@ -223,11 +233,16 @@ int idempotency_client_channel_check_reconnect(
        channel->last_connect_time = g_current_time;
    }

-    logDebug("file: "__FILE__", line: %d, "
-            "trigger connect to server %s:%u",
-            __LINE__, channel->task->server_ip,
-            channel->task->port);
+    if (FC_LOG_BY_LEVEL(LOG_DEBUG)) {
+        format_ip_address(channel->task->server_ip, formatted_ip);
+        logDebug("file: "__FILE__", line: %d, "
+                "trigger connect to server %s:%u", __LINE__,
+                formatted_ip, channel->task->port);
+    }

+    if (channel->task->event.fd >= 0) {
+        channel->task->handler->close_connection(channel->task);
+    }
    __sync_bool_compare_and_swap(&channel->task->canceled, 1, 0);
    if ((result=sf_nio_notify(channel->task, SF_NIO_STAGE_CONNECT)) == 0) {
        channel->last_connect_time = g_current_time;
@ -252,7 +267,10 @@ struct idempotency_client_channel *idempotency_client_channel_get(
    IdempotencyClientChannel *current;
    IdempotencyClientChannel *channel;

-    key_len = snprintf(key, sizeof(key), "%s-%u", server_ip, server_port);
+    key_len = strlen(server_ip);
+    memcpy(key, server_ip, key_len);
+    *(key + key_len++) = '-';
+    key_len += fc_itoa(server_port, key + key_len);
    hash_code = fc_simple_hash(key, key_len);
    bucket = channel_context.htable.buckets +
        hash_code % channel_context.htable.capacity;
@ -336,8 +354,8 @@ int idempotency_client_channel_push(struct idempotency_client_channel *channel,
    receipt->req_id = req_id;
    fc_queue_push_ex(&channel->queue, receipt, &notify);
    if (notify) {
-        if (__sync_add_and_fetch(&channel->in_ioevent, 0)) {
-            if (__sync_add_and_fetch(&channel->established, 0)) {
+        if (FC_ATOMIC_GET(channel->in_ioevent)) {
+            if (FC_ATOMIC_GET(channel->established)) {
                sf_nio_notify(channel->task, SF_NIO_STAGE_CONTINUE);
            }
        } else {
--- a/src/idempotency/client/client_channel.h
+++ b/src/idempotency/client/client_channel.h
@ -76,20 +76,22 @@ static inline void idempotency_client_channel_set_id_key(
 static inline int idempotency_client_channel_check_wait_ex(
        struct idempotency_client_channel *channel, const int timeout)
 {
-    if (__sync_add_and_fetch(&channel->established, 0)) {
+    if (FC_ATOMIC_GET(channel->established)) {
        return 0;
    }

    idempotency_client_channel_check_reconnect(channel);
    lcp_timedwait_sec(&channel->lcp, timeout);
-    if (__sync_add_and_fetch(&channel->established, 0)) {
+    if (FC_ATOMIC_GET(channel->established)) {
        return 0;
    } else {
        /*
+        char formatted_ip[FORMATTED_IP_SIZE];
+        format_ip_address(channel->task->server_ip, formatted_ip);
        logInfo("file: "__FILE__", line: %d, "
                "channel_check fail, server %s:%u, in_ioevent: %d, "
                "canceled: %d, req count: %"PRId64, __LINE__,
-                channel->task->server_ip, channel->task->port,
+                formatted_ip, channel->task->port,
                __sync_add_and_fetch(&channel->in_ioevent, 0),
                __sync_add_and_fetch(&channel->task->canceled, 0),
                channel->task->req_count);
--- a/src/idempotency/client/client_types.h
+++ b/src/idempotency/client/client_types.h
@ -67,7 +67,6 @@ typedef struct idempotency_receipt_global_vars {
    struct {
        int task_padding_size;
        sf_init_connection_callback init_connection;
-        struct ibv_pd *pd;
    } rdma;
    IdempotencyReceiptThreadContext *thread_contexts;
 } IdempotencyReceiptGlobalVars;
--- a/src/idempotency/client/receipt_handler.c
+++ b/src/idempotency/client/receipt_handler.c
@ -46,14 +46,15 @@ static IdempotencyReceiptGlobalVars receipt_global_vars;
 #define RECEIPT_THREAD_CONTEXTS  receipt_global_vars.thread_contexts
 #define TASK_PADDING_SIZE        receipt_global_vars.rdma.task_padding_size
 #define RDMA_INIT_CONNECTION     receipt_global_vars.rdma.init_connection
-#define RDMA_PD                  receipt_global_vars.rdma.pd

-static int receipt_init_task(struct fast_task_info *task)
+static int receipt_init_task(struct fast_task_info *task, void *arg)
 {
-    task->connect_timeout = SF_G_CONNECT_TIMEOUT; //for client side
-    task->network_timeout = SF_G_NETWORK_TIMEOUT;
+#if IOEVENT_USE_URING
+    FC_URING_IS_CLIENT(task) = true;
+#endif
+
    if (RDMA_INIT_CONNECTION != NULL) {
-        return RDMA_INIT_CONNECTION(task, RDMA_PD);
+        return RDMA_INIT_CONNECTION(task, arg);
    } else {
        return 0;
    }
@ -62,11 +63,13 @@ static int receipt_init_task(struct fast_task_info *task)
 static int receipt_recv_timeout_callback(struct fast_task_info *task)
 {
    IdempotencyClientChannel *channel;
+    char formatted_ip[FORMATTED_IP_SIZE];

+    format_ip_address(task->server_ip, formatted_ip);
    if (SF_NIO_TASK_STAGE_FETCH(task) == SF_NIO_STAGE_CONNECT) {
        logError("file: "__FILE__", line: %d, "
                "connect to server %s:%u timeout",
-                __LINE__, task->server_ip, task->port);
+                __LINE__, formatted_ip, task->port);
        return ETIMEDOUT;
    }

@ -74,12 +77,12 @@ static int receipt_recv_timeout_callback(struct fast_task_info *task)
    if (channel->waiting_resp_qinfo.head != NULL) {
        logError("file: "__FILE__", line: %d, "
                "waiting receipt response from server %s:%u timeout",
-                __LINE__, task->server_ip, task->port);
+                __LINE__, formatted_ip, task->port);
    } else {
        logError("file: "__FILE__", line: %d, "
                "%s server %s:%u timeout, channel established: %d",
                __LINE__, task->nio_stages.current == SF_NIO_STAGE_SEND ?
-                "send to" : "recv from", task->server_ip, task->port,
+                "send to" : "recv from", formatted_ip, task->port,
                FC_ATOMIC_GET(channel->established));
    }

@ -89,10 +92,10 @@ static int receipt_recv_timeout_callback(struct fast_task_info *task)
 static void receipt_task_finish_cleanup(struct fast_task_info *task)
 {
    IdempotencyClientChannel *channel;
+    char formatted_ip[FORMATTED_IP_SIZE];

    if (task->event.fd >= 0) {
        sf_task_detach_thread(task);
-        task->handler->close_connection(task);
    }

    sf_nio_reset_task_length(task);
@ -104,9 +107,12 @@ static void receipt_task_finish_cleanup(struct fast_task_info *task)
    __sync_bool_compare_and_swap(&channel->established, 1, 0);
    __sync_bool_compare_and_swap(&channel->in_ioevent, 1, 0);

-    logDebug("file: "__FILE__", line: %d, "
-            "receipt task for server %s:%u exit",
-            __LINE__, task->server_ip, task->port);
+    if (FC_LOG_BY_LEVEL(LOG_DEBUG)) {
+        format_ip_address(task->server_ip, formatted_ip);
+        logDebug("file: "__FILE__", line: %d, "
+                "receipt task for server %s:%u exit",
+                __LINE__, formatted_ip, task->port);
+    }
 }

 static void setup_channel_request(struct fast_task_info *task)
@ -247,11 +253,14 @@ static inline int receipt_expect_body_length(struct fast_task_info *task,
        const int expect_body_len)
 {
    int body_len;
+    char formatted_ip[FORMATTED_IP_SIZE];
+
    body_len = task->recv.ptr->length - sizeof(SFCommonProtoHeader);
    if (body_len != expect_body_len) {
+        format_ip_address(task->server_ip, formatted_ip);
        logError("file: "__FILE__", line: %d, "
                "server %s:%u, response body length: %d != %d", __LINE__,
-                task->server_ip, task->port, body_len, expect_body_len);
+                formatted_ip, task->port, body_len, expect_body_len);
        return EINVAL;
    }

@ -264,6 +273,7 @@ static int deal_setup_channel_response(struct fast_task_info *task)
    IdempotencyReceiptThreadContext *thread_ctx;
    SFProtoSetupChannelResp *resp;
    IdempotencyClientChannel *channel;
+    char formatted_ip[FORMATTED_IP_SIZE];
    int channel_id;
    int channel_key;
    int buffer_size;
@ -275,11 +285,12 @@ static int deal_setup_channel_response(struct fast_task_info *task)
    }

    channel = (IdempotencyClientChannel *)task->arg;
-    if (__sync_add_and_fetch(&channel->established, 0)) {
+    if (FC_ATOMIC_GET(channel->established)) {
+        format_ip_address(task->server_ip, formatted_ip);
        logWarning("file: "__FILE__", line: %d, "
                "response from server %s:%u, unexpected cmd: "
                "SETUP_CHANNEL_RESP, ignore it!",
-                __LINE__, task->server_ip, task->port);
+                __LINE__, formatted_ip, task->port);
        return 0;
    }

@ -316,6 +327,7 @@ static inline int deal_report_req_receipt_response(struct fast_task_info *task)
    IdempotencyClientChannel *channel;
    IdempotencyClientReceipt *current;
    IdempotencyClientReceipt *deleted;
+    char formatted_ip[FORMATTED_IP_SIZE];

    if ((result=receipt_expect_body_length(task, 0)) != 0) {
        return result;
@ -323,10 +335,11 @@ static inline int deal_report_req_receipt_response(struct fast_task_info *task)

    channel = (IdempotencyClientChannel *)task->arg;
    if (channel->waiting_resp_qinfo.head == NULL) {
+        format_ip_address(task->server_ip, formatted_ip);
        logWarning("file: "__FILE__", line: %d, "
                "response from server %s:%u, unexpect cmd: "
                "REPORT_REQ_RECEIPT_RESP", __LINE__,
-                task->server_ip, task->port);
+                formatted_ip, task->port);
        return EINVAL;
    }

@ -348,6 +361,7 @@ static int receipt_deal_task(struct fast_task_info *task, const int stage)
 {
    int result;
    SFCommonProtoHeader *header;
+    char formatted_ip[FORMATTED_IP_SIZE];

    do {
        if (stage == SF_NIO_STAGE_HANDSHAKE) {
@ -375,10 +389,11 @@ static int receipt_deal_task(struct fast_task_info *task, const int stage)

            msg_len = SF_RECV_BODY_LENGTH(task);
            message = SF_PROTO_RECV_BODY(task);
+            format_ip_address(task->server_ip, formatted_ip);
            logError("file: "__FILE__", line: %d, "
                    "response from server %s:%u, cmd: %d (%s), "
                    "status: %d, error info: %.*s", __LINE__,
-                    task->server_ip, task->port, header->cmd,
+                    formatted_ip, task->port, header->cmd,
                    sf_get_cmd_caption(header->cmd),
                    result, msg_len, message);
            break;
@ -397,14 +412,18 @@ static int receipt_deal_task(struct fast_task_info *task, const int stage)
                break;
            case SF_SERVICE_PROTO_CLOSE_CHANNEL_RESP:
                result = ECONNRESET; //force to close socket
-                logDebug("file: "__FILE__", line: %d, "
-                    "close channel to server %s:%u !!!",
-                    __LINE__, task->server_ip, task->port);
+                if (FC_LOG_BY_LEVEL(LOG_DEBUG)) {
+                    format_ip_address(task->server_ip, formatted_ip);
+                    logDebug("file: "__FILE__", line: %d, "
+                            "close channel to server %s:%u !!!",
+                            __LINE__, formatted_ip, task->port);
+                }
                break;
            default:
+                format_ip_address(task->server_ip, formatted_ip);
                logError("file: "__FILE__", line: %d, "
                        "response from server %s:%u, unexpect cmd: %d (%s)",
-                        __LINE__, task->server_ip, task->port, header->cmd,
+                        __LINE__, formatted_ip, task->port, header->cmd,
                        sf_get_cmd_caption(header->cmd));
                result = EINVAL;
                break;
@ -449,6 +468,7 @@ static void receipt_thread_close_idle_channel(
 {
    IdempotencyClientChannel *channel;
    IdempotencyClientChannel *tmp;
+    char formatted_ip[FORMATTED_IP_SIZE];

    fc_list_for_each_entry_safe(channel, tmp, &thread_ctx->head, dlink) {
        if (channel->task->pending_send_count > 0) {
@ -458,9 +478,12 @@ static void receipt_thread_close_idle_channel(
        if (g_current_time - channel->last_report_time >
                 g_idempotency_client_cfg.channel_max_idle_time)
        {
-            logDebug("file: "__FILE__", line: %d, "
-                    "close channel to server %s:%u because idle too long",
-                    __LINE__, channel->task->server_ip, channel->task->port);
+            if (FC_LOG_BY_LEVEL(LOG_DEBUG)) {
+                format_ip_address(channel->task->server_ip, formatted_ip);
+                logDebug("file: "__FILE__", line: %d, "
+                        "close channel to server %s:%u because idle too long",
+                        __LINE__, formatted_ip, channel->task->port);
+            }
            close_channel_request(channel->task);
        }
    }
@ -500,10 +523,12 @@ static int do_init(FCAddressPtrArray *address_array)
 {
    const int task_arg_size = 0;
    const bool double_buffers = false;
+    const bool need_shrink_task_buffer = false;
    const bool explicit_post_recv = false;
    int result;
    int bytes;
    SFNetworkHandler *rdma_handler;
+    struct ibv_pd *pd;

    bytes = sizeof(IdempotencyReceiptThreadContext) * SF_G_WORK_THREADS;
    RECEIPT_THREAD_CONTEXTS = (IdempotencyReceiptThreadContext *)
@ -520,19 +545,19 @@ static int do_init(FCAddressPtrArray *address_array)

        TASK_PADDING_SIZE = rdma_handler->get_connection_size();
        RDMA_INIT_CONNECTION = rdma_handler->init_connection;
-        RDMA_PD = rdma_handler->pd;
+        pd = rdma_handler->pd;
    } else {
        TASK_PADDING_SIZE = 0;
        RDMA_INIT_CONNECTION = NULL;
-        RDMA_PD = NULL;
+        pd = NULL;
    }
    return sf_service_init_ex2(&g_sf_context, "idemp-receipt",
            receipt_alloc_thread_extra_data, receipt_thread_loop_callback,
            NULL, sf_proto_set_body_length, NULL, NULL, receipt_deal_task,
            receipt_task_finish_cleanup, receipt_recv_timeout_callback,
            1000, sizeof(SFCommonProtoHeader), TASK_PADDING_SIZE,
-            task_arg_size, double_buffers, explicit_post_recv,
-            receipt_init_task, NULL);
+            task_arg_size, double_buffers, need_shrink_task_buffer,
+            explicit_post_recv, receipt_init_task, pd, NULL);
 }

 int receipt_handler_init(FCAddressPtrArray *address_array)
@ -544,7 +569,6 @@ int receipt_handler_init(FCAddressPtrArray *address_array)
    }

    sf_enable_thread_notify(true);
-    sf_set_remove_from_ready_list(false);
    fc_sleep_ms(100);

    return 0;
--- a/src/sf_binlog_index.c
+++ b/src/sf_binlog_index.c
@ -186,9 +186,11 @@ static int save(SFBinlogIndexContext *ctx, const char *filename)
    result = 0;
    p = buff;
    bend = buff + sizeof(buff);
-    p += sprintf(p, "%d %"PRId64"\n",
-            ctx->index_array.count,
-            ctx->last_version);
+
+    p += fc_itoa(ctx->index_array.count, p);
+    *p++ = ' ';
+    p += fc_itoa(ctx->last_version, p);
+    *p++ = '\n';

    index = ctx->index_array.indexes;
    for (i=0; i<ctx->index_array.count; i++) {
@ -227,7 +229,7 @@ int sf_binlog_index_save(SFBinlogIndexContext *ctx)
    int result;
    char tmp_filename[PATH_MAX];

-    snprintf(tmp_filename, sizeof(tmp_filename), "%s.tmp", ctx->filename);
+    fc_combine_two_strings(ctx->filename, "tmp", '.', tmp_filename);
    if ((result=save(ctx, tmp_filename)) != 0) {
        return result;
    }
--- a/src/sf_binlog_writer.c
+++ b/src/sf_binlog_writer.c
@ -168,6 +168,7 @@ static int deal_binlog_records(SFBinlogWriterThread *thread,
        SFBinlogWriterBuffer *wb_head, uint32_t *last_timestamp)
 {
    int result;
+    bool skip_empty_file;
    SFBinlogWriterBuffer *wbuffer;
    SFBinlogWriterBuffer *current;

@ -196,11 +197,15 @@ static int deal_binlog_records(SFBinlogWriterThread *thread,
                        thread->mblock, current);
                break;
            case SF_BINLOG_BUFFER_TYPE_ROTATE_FILE:
-                if ((result=sf_file_writer_set_binlog_write_index(&current->
-                                writer->fw, current->writer->fw.binlog.
-                                last_index + 1)) != 0)
-                {
-                    return result;
+                flush_writer_files(thread);
+                skip_empty_file = current->version.first;
+                if (!(skip_empty_file && current->writer->fw.file.size == 0)) {
+                    if ((result=sf_file_writer_set_binlog_write_index(&current->
+                                    writer->fw, current->writer->fw.binlog.
+                                    last_index + 1)) != 0)
+                    {
+                        return result;
+                    }
                }
                fast_mblock_free_object(&current->writer->
                        thread->mblock, current);
@ -300,7 +305,7 @@ void sf_binlog_writer_finish(SFBinlogWriterInfo *writer)
    uint32_t last_timestamp;
    int count;

-    if (writer->fw.file.name != NULL) {
+    if (writer->fw.file.name.str != NULL) {
        while (writer->thread->running && !fc_queue_empty(
                    &writer->thread->queue))
        {
@ -328,8 +333,8 @@ void sf_binlog_writer_finish(SFBinlogWriterInfo *writer)
            deal_binlog_records(writer->thread, wb_head, &last_timestamp);
        }

-        free(writer->fw.file.name);
-        writer->fw.file.name = NULL;
+        free(writer->fw.file.name.str);
+        writer->fw.file.name.str = NULL;
    }

    if (writer->fw.file.fd >= 0) {
@ -342,6 +347,7 @@ static void *binlog_writer_func(void *arg)
 {
    SFBinlogWriterThread *thread;
    SFBinlogWriterBuffer *wb_head;
+    uint32_t last_record_time;
    uint32_t current_timestamp;
    uint32_t last_timestamp;
    int result;
@ -351,13 +357,12 @@ static void *binlog_writer_func(void *arg)
 #ifdef OS_LINUX
    {
        char thread_name[64];
-        snprintf(thread_name, sizeof(thread_name),
-                "%s-writer", thread->name);
+        fc_combine_two_strings(thread->name, "writer", '-', thread_name);
        prctl(PR_SET_NAME, thread_name);
    }
 #endif

-    current_timestamp = last_timestamp = 0;
+    last_record_time = current_timestamp = last_timestamp = 0;
    thread->running = true;
    while (SF_G_CONTINUE_FLAG) {
        wb_head = (SFBinlogWriterBuffer *)fc_queue_pop_all(&thread->queue);
@ -366,7 +371,7 @@ static void *binlog_writer_func(void *arg)
        }

        if ((result=deal_binlog_records(thread, wb_head,
-                        &current_timestamp)) != 0)
+                        &last_record_time)) != 0)
        {
            if (result != ERRNO_THREAD_EXIT) {
                logCrit("file: "__FILE__", line: %d, "
@ -379,6 +384,8 @@ static void *binlog_writer_func(void *arg)

        if (fc_queue_empty(&thread->queue)) {
            current_timestamp = 0;
+        } else {
+            current_timestamp = last_record_time;
        }
        if ((current_timestamp == 0 && last_timestamp != 0) ||
                (current_timestamp > last_timestamp))
@ -393,6 +400,12 @@ static void *binlog_writer_func(void *arg)
            }
            PTHREAD_MUTEX_UNLOCK(&thread->flow_ctrol.lcp.lock);
        }
+
+        if (thread->write_interval_ms > 0 &&
+                last_record_time == g_current_time)
+        {
+            fc_sleep_ms(thread->write_interval_ms);
+        }
    }

    thread->running = false;
@ -430,20 +443,23 @@ static void binlog_wbuffer_destroy_func(void *element, void *args)

 int sf_binlog_writer_init_normal_ex(SFBinlogWriterInfo *writer,
        const char *data_path, const char *subdir_name,
-        const char *file_prefix, const int buffer_size,
-        const int64_t file_rotate_size, const bool call_fsync)
+        const char *file_prefix, const int max_record_size,
+        const int buffer_size, const int64_t file_rotate_size,
+        const bool call_fsync)
 {
    memset(writer, 0, sizeof(*writer));
    writer->order_by = SF_BINLOG_WRITER_TYPE_ORDER_BY_NONE;
    return sf_file_writer_init(&writer->fw, data_path, subdir_name,
-            file_prefix, buffer_size, file_rotate_size, call_fsync);
+            file_prefix, max_record_size, buffer_size,
+            file_rotate_size, call_fsync);
 }

 int sf_binlog_writer_init_by_version_ex(SFBinlogWriterInfo *writer,
        const char *data_path, const char *subdir_name,
-        const char *file_prefix, const uint64_t next_version,
-        const int buffer_size, const int ring_size,
-        const int64_t file_rotate_size, const bool call_fsync)
+        const char *file_prefix, const int max_record_size,
+        const uint64_t next_version, const int buffer_size,
+        const int ring_size, const int64_t file_rotate_size,
+        const bool call_fsync)
 {
    int bytes;

@ -462,13 +478,15 @@ int sf_binlog_writer_init_by_version_ex(SFBinlogWriterInfo *writer,
    binlog_writer_set_next_version(writer, next_version);
    writer->flush.in_queue = false;
    return sf_file_writer_init(&writer->fw, data_path, subdir_name,
-            file_prefix, buffer_size, file_rotate_size, call_fsync);
+            file_prefix, max_record_size, buffer_size,
+            file_rotate_size, call_fsync);
 }

 int sf_binlog_writer_init_thread_ex(SFBinlogWriterThread *thread,
        const char *name, SFBinlogWriterInfo *writer, const short order_mode,
-        const int max_delay, const int max_record_size, const bool
-        use_fixed_buffer_size, const bool passive_write)
+        const int write_interval_ms, const int max_delay,
+        const int max_record_size, const bool use_fixed_buffer_size,
+        const bool passive_write)
 {
    const int alloc_elements_once = 1024;
    const int64_t alloc_elements_limit = 0;
@ -478,10 +496,11 @@ int sf_binlog_writer_init_thread_ex(SFBinlogWriterThread *thread,
    pthread_t tid;
    struct fast_mblock_object_callbacks callbacks;

-    snprintf(thread->name, sizeof(thread->name), "%s", name);
+    fc_safe_strcpy(thread->name, name);
    thread->order_mode = order_mode;
    thread->use_fixed_buffer_size = use_fixed_buffer_size;
    thread->passive_write = passive_write;
+    thread->write_interval_ms = write_interval_ms;
    thread->flow_ctrol.max_delay = max_delay;
    writer->fw.cfg.max_record_size = max_record_size;
    writer->thread = thread;
@ -608,10 +627,12 @@ int sf_binlog_writer_change_write_index(SFBinlogWriterInfo *writer,
            SF_BINLOG_BUFFER_TYPE_SET_WRITE_INDEX, write_index);
 }

-int sf_binlog_writer_rotate_file(SFBinlogWriterInfo *writer)
+int sf_binlog_writer_rotate_file_ex(SFBinlogWriterInfo *writer,
+        const bool skip_empty_file)
 {
    return sf_binlog_writer_push_directive(writer,
-            SF_BINLOG_BUFFER_TYPE_ROTATE_FILE, 0);
+            SF_BINLOG_BUFFER_TYPE_ROTATE_FILE,
+            skip_empty_file ? 1 : 0);
 }

 int sf_binlog_writer_flush_file(SFBinlogWriterInfo *writer)
--- a/src/sf_binlog_writer.h
+++ b/src/sf_binlog_writer.h
@ -72,6 +72,7 @@ typedef struct binlog_writer_thread {
    bool use_fixed_buffer_size;
    bool passive_write;
    char order_mode;
+    int write_interval_ms;
    struct {
        int max_delay;  //in seconds
        volatile uint32_t last_timestamp;
@ -112,61 +113,64 @@ extern "C" {

 int sf_binlog_writer_init_normal_ex(SFBinlogWriterInfo *writer,
        const char *data_path, const char *subdir_name,
-        const char *file_prefix, const int buffer_size,
-        const int64_t file_rotate_size, const bool call_fsync);
+        const char *file_prefix, const int max_record_size,
+        const int buffer_size, const int64_t file_rotate_size,
+        const bool call_fsync);

 int sf_binlog_writer_init_by_version_ex(SFBinlogWriterInfo *writer,
        const char *data_path, const char *subdir_name,
-        const char *file_prefix, const uint64_t next_version,
-        const int buffer_size, const int ring_size,
-        const int64_t file_rotate_size, const bool call_fsync);
+        const char *file_prefix, const int max_record_size,
+        const uint64_t next_version, const int buffer_size,
+        const int ring_size, const int64_t file_rotate_size,
+        const bool call_fsync);

 int sf_binlog_writer_init_thread_ex(SFBinlogWriterThread *thread,
        const char *name, SFBinlogWriterInfo *writer, const short order_mode,
-        const int max_delay, const int max_record_size, const bool
-        use_fixed_buffer_size, const bool passive_write);
+        const int write_interval_ms, const int max_delay,
+        const int max_record_size, const bool use_fixed_buffer_size,
+        const bool passive_write);

-#define sf_binlog_writer_init_normal(writer,  \
-        data_path, subdir_name, buffer_size)  \
-    sf_binlog_writer_init_normal_ex(writer, data_path, subdir_name, \
-            SF_BINLOG_FILE_PREFIX, buffer_size, \
+#define sf_binlog_writer_init_normal(writer, data_path, \
+        subdir_name, max_record_size, buffer_size)      \
+    sf_binlog_writer_init_normal_ex(writer, data_path, subdir_name,  \
+            SF_BINLOG_FILE_PREFIX_STR, max_record_size, buffer_size, \
            SF_BINLOG_DEFAULT_ROTATE_SIZE, true)

-#define sf_binlog_writer_init_by_version(writer, data_path,   \
-        subdir_name, next_version, buffer_size, ring_size)    \
-    sf_binlog_writer_init_by_version_ex(writer, data_path, subdir_name, \
-            SF_BINLOG_FILE_PREFIX, next_version, buffer_size, \
-            ring_size, SF_BINLOG_DEFAULT_ROTATE_SIZE, true)
+#define sf_binlog_writer_init_by_version(writer, data_path, subdir_name, \
+        max_record_size, next_version, buffer_size, ring_size)           \
+    sf_binlog_writer_init_by_version_ex(writer, data_path, subdir_name,  \
+            SF_BINLOG_FILE_PREFIX_STR, max_record_size, next_version,    \
+            buffer_size, ring_size, SF_BINLOG_DEFAULT_ROTATE_SIZE, true)

 #define sf_binlog_writer_init_thread(thread, name, \
-        writer, max_delay, max_record_size) \
-    sf_binlog_writer_init_thread_ex(thread, name, writer, \
-            SF_BINLOG_THREAD_ORDER_MODE_FIXED, max_delay, \
-            max_record_size, true, false)
+        writer, write_interval_ms, max_delay, max_record_size)    \
+    sf_binlog_writer_init_thread_ex(thread, name, writer,         \
+            SF_BINLOG_THREAD_ORDER_MODE_FIXED, write_interval_ms, \
+            max_delay, max_record_size, true, false)

 static inline int sf_binlog_writer_init_ex(SFBinlogWriterContext *context,
        const char *data_path, const char *subdir_name,
        const char *file_prefix, const int buffer_size,
-        const int max_delay, const int max_record_size,
-        const bool call_fsync)
+        const int write_interval_ms, const int max_delay,
+        const int max_record_size, const bool call_fsync)
 {
    int result;
-    if ((result=sf_binlog_writer_init_normal_ex(&context->writer,
-                    data_path, subdir_name, file_prefix, buffer_size,
+    if ((result=sf_binlog_writer_init_normal_ex(&context->writer, data_path,
+                    subdir_name, file_prefix, max_record_size, buffer_size,
                    SF_BINLOG_DEFAULT_ROTATE_SIZE, call_fsync)) != 0)
    {
        return result;
    }

    return sf_binlog_writer_init_thread(&context->thread, subdir_name,
-            &context->writer, max_delay, max_record_size);
+            &context->writer, write_interval_ms, max_delay, max_record_size);
 }

-#define sf_binlog_writer_init(context, data_path, subdir_name, \
-        buffer_size, max_delay, max_record_size) \
-    sf_binlog_writer_init_ex(context, data_path, subdir_name,  \
-            SF_BINLOG_FILE_PREFIX, buffer_size, max_delay,     \
-            max_record_size, true)
+#define sf_binlog_writer_init(context, data_path, subdir_name,      \
+        buffer_size, write_interval_ms, max_delay, max_record_size) \
+    sf_binlog_writer_init_ex(context, data_path, subdir_name,       \
+            SF_BINLOG_FILE_PREFIX_STR, buffer_size, write_interval_ms,  \
+            max_delay, max_record_size, true)

 void sf_binlog_writer_finish(SFBinlogWriterInfo *writer);

@ -231,7 +235,14 @@ static inline int sf_binlog_writer_get_thread_waiting_count(
    return waiting_count;
 }

-int sf_binlog_writer_rotate_file(SFBinlogWriterInfo *writer);
+int sf_binlog_writer_rotate_file_ex(SFBinlogWriterInfo *writer,
+        const bool skip_empty_file);
+
+static inline int sf_binlog_writer_rotate_file(SFBinlogWriterInfo *writer)
+{
+    const bool skip_empty_file = false;
+    return sf_binlog_writer_rotate_file_ex(writer, skip_empty_file);
+}

 int sf_binlog_writer_flush_file(SFBinlogWriterInfo *writer);

@ -243,6 +254,9 @@ int sf_binlog_writer_notify_exit(SFBinlogWriterInfo *writer);
 #define sf_binlog_writer_set_flags(writer, flags) \
    sf_file_writer_set_flags(&(writer)->fw, flags)

+#define sf_binlog_writer_set_write_done_callback(writer, callback, args) \
+    sf_file_writer_set_write_done_callback(&(writer)->fw, callback, args)
+
 #define sf_binlog_writer_get_last_version_ex(writer, log_level) \
    sf_file_writer_get_last_version_ex(&(writer)->fw, log_level)

@ -272,7 +286,9 @@ static inline SFBinlogWriterBuffer *sf_binlog_writer_alloc_buffer(
 {
    SFBinlogWriterBuffer *buffer;

-    if ((buffer=fast_mblock_alloc_object(&thread->mblock)) != NULL) {
+    if ((buffer=(SFBinlogWriterBuffer *)fast_mblock_alloc_object(
+                    &thread->mblock)) != NULL)
+    {
        buffer->type = SF_BINLOG_BUFFER_TYPE_WRITE_TO_FILE;
    }
    return buffer;
--- a/src/sf_buffered_writer.h
+++ b/src/sf_buffered_writer.h
@ -30,8 +30,11 @@ typedef struct {
 #define sf_buffered_writer_init(writer, filename) \
    sf_buffered_writer_init_ex(writer, filename, 1024 * 1024)

-#define SF_BUFFERED_WRITER_LENGTH(bw) ((bw).buffer.current - (bw).buffer.buff)
-#define SF_BUFFERED_WRITER_REMAIN(bw) ((bw).buffer.end - (bw).buffer.current)
+#define SF_BUFFERED_WRITER_LENGTH(bw)  \
+    SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH((bw).buffer)
+
+#define SF_BUFFERED_WRITER_REMAIN(bw)  \
+    SF_BINLOG_BUFFER_PRODUCER_BUFF_REMAIN((bw).buffer)

 #ifdef __cplusplus
 extern "C" {
@ -56,7 +59,6 @@ extern "C" {
        if ((result=sf_binlog_buffer_init(&writer->buffer, buffer_size)) != 0) {
            return result;
        }
-        writer->buffer.end = writer->buffer.buff + writer->buffer.size;
        return 0;
    }

@ -65,7 +67,7 @@ extern "C" {
        int result;
        int length;

-        length = writer->buffer.current - writer->buffer.buff;
+        length = writer->buffer.data_end - writer->buffer.buff;
        if (fc_safe_write(writer->fd, writer->buffer.buff, length) != length) {
            result = errno != 0 ? errno : EIO;
            logError("file: "__FILE__", line: %d, "
@ -74,17 +76,27 @@ extern "C" {
            return result;
        }

-        writer->buffer.current = writer->buffer.buff;
+        writer->buffer.data_end = writer->buffer.buff;
        return 0;
    }

-    static inline void sf_buffered_writer_destroy(SFBufferedWriter *writer)
+    static inline int sf_buffered_writer_destroy(SFBufferedWriter *writer)
    {
+        int result;
+
        if (writer->fd >= 0) {
+            if (fsync(writer->fd) != 0) {
+                result = errno != 0 ? errno : EIO;
+                logError("file: "__FILE__", line: %d, "
+                        "fsync to file %s fail, errno: %d, error info: %s",
+                        __LINE__, writer->filename, result, STRERROR(result));
+                return result;
+            }
            close(writer->fd);
            writer->fd = -1;
        }
        sf_binlog_buffer_destroy(&writer->buffer);
+        return 0;
    }

 #ifdef __cplusplus
--- a/src/sf_cluster_cfg.c
+++ b/src/sf_cluster_cfg.c
@ -23,7 +23,7 @@ static int calc_cluster_config_sign(SFClusterConfig *cluster)
    FastBuffer buffer;
    int result;

-    if ((result=fast_buffer_init_ex(&buffer, 1024)) != 0) {
+    if ((result=fast_buffer_init1(&buffer, 1024)) != 0) {
        return result;
    }
    fc_server_to_config_string(&cluster->server_cfg, &buffer);
--- a/src/sf_connection_manager.c
+++ b/src/sf_connection_manager.c
@ -35,14 +35,14 @@ static int get_group_servers(SFConnectionManager *cm,
        SFCMConnGroupEntry *group);

 static ConnectionInfo *get_spec_connection(SFConnectionManager *cm,
-        const ConnectionInfo *target, int *err_no)
+        const ConnectionInfo *target, const bool shared, int *err_no)
 {
    return conn_pool_get_connection_ex(&cm->cpool,
-            target, cm->module_name, err_no);
+            target, cm->module_name, shared, err_no);
 }

 static ConnectionInfo *make_connection(SFConnectionManager *cm,
-        FCAddressPtrArray *addr_array, int *err_no)
+        FCAddressPtrArray *addr_array, const bool shared, int *err_no)
 {
    FCAddressInfo **current;
    FCAddressInfo **addr;
@ -56,7 +56,7 @@ static ConnectionInfo *make_connection(SFConnectionManager *cm,

    current = addr_array->addrs + addr_array->index;
    if ((conn=get_spec_connection(cm, &(*current)->conn,
-                    err_no)) != NULL)
+                    shared, err_no)) != NULL)
    {
        return conn;
    }
@ -72,7 +72,7 @@ static ConnectionInfo *make_connection(SFConnectionManager *cm,
        }

        if ((conn=get_spec_connection(cm, &(*addr)->conn,
-                        err_no)) != NULL)
+                        shared, err_no)) != NULL)
        {
            addr_array->index = addr - addr_array->addrs;
            return conn;
@ -83,13 +83,13 @@ static ConnectionInfo *make_connection(SFConnectionManager *cm,
 }

 static ConnectionInfo *get_server_connection(SFConnectionManager *cm,
-        FCServerInfo *server, int *err_no)
+        FCServerInfo *server, const bool shared, int *err_no)
 {
    FCAddressPtrArray *addr_array;
    ConnectionInfo *conn;

    addr_array = &server->group_addrs[cm->server_group_index].address_array;
-    if ((conn=make_connection(cm, addr_array, err_no)) == NULL) {
+    if ((conn=make_connection(cm, addr_array, shared, err_no)) == NULL) {
        logError("file: "__FILE__", line: %d, "
                "%s server id: %d, address count: %d, get_server_connection fail",
                __LINE__, cm->module_name, server->id, addr_array->count);
@ -98,7 +98,7 @@ static ConnectionInfo *get_server_connection(SFConnectionManager *cm,
 }

 static ConnectionInfo *get_connection(SFConnectionManager *cm,
-        const int group_index, int *err_no)
+        const int group_index, const bool shared, int *err_no)
 {
    SFCMServerArray *server_array;
    ConnectionInfo *conn;
@ -110,7 +110,7 @@ static ConnectionInfo *get_connection(SFConnectionManager *cm,
    server_hash_code = rand();
    server_index = server_hash_code % server_array->count;
    if ((conn=make_connection(cm, server_array->servers[server_index].
-                    addr_array, err_no)) != NULL)
+                    addr_array, shared, err_no)) != NULL)
    {
        return conn;
    }
@ -122,7 +122,7 @@ static ConnectionInfo *get_connection(SFConnectionManager *cm,
            }

            if ((conn=make_connection(cm, server_array->servers[i].
-                            addr_array, err_no)) != NULL)
+                            addr_array, shared, err_no)) != NULL)
            {
                return conn;
            }
@ -176,7 +176,7 @@ static inline bool alive_array_cas(SFConnectionManager *cm,
        push_to_detect_queue(cm, group, new_alives);
        fast_mblock_delay_free_object(&cm->sptr_array_allocator, old_alives,
                (cm->common_cfg->connect_timeout + cm->common_cfg->
-                 network_timeout) * group->all.count);
+                 network_timeout) * group->all.count * 4);
        return true;
    } else {
        fast_mblock_free_object(&cm->sptr_array_allocator, new_alives);
@ -225,7 +225,7 @@ static int remove_from_alives(SFConnectionManager *cm,
 }

 static inline ConnectionInfo *make_master_connection(SFConnectionManager *cm,
-        SFCMConnGroupEntry *group, int *err_no)
+        SFCMConnGroupEntry *group, const bool shared, int *err_no)
 {
    SFCMServerEntry *master;
    ConnectionInfo *conn;
@ -234,7 +234,7 @@ static inline ConnectionInfo *make_master_connection(SFConnectionManager *cm,
    master = (SFCMServerEntry *)FC_ATOMIC_GET(group->master);
    if (master != NULL) {
        if ((conn=make_connection(cm, master->addr_array,
-                        err_no)) != NULL)
+                        shared, err_no)) != NULL)
        {
            alives = (SFCMServerPtrArray *)FC_ATOMIC_GET(group->alives);
            set_connection_params(conn, master, alives);
@ -254,12 +254,12 @@ static inline ConnectionInfo *make_master_connection(SFConnectionManager *cm,

 static inline ConnectionInfo *make_readable_connection(SFConnectionManager *cm,
        SFCMConnGroupEntry *group, SFCMServerPtrArray *alives,
-        const int index, int *err_no)
+        const int index, const bool shared, int *err_no)
 {
    ConnectionInfo *conn;

    if ((conn=make_connection(cm, alives->servers[index]->
-                    addr_array, err_no)) == NULL)
+                    addr_array, shared, err_no)) == NULL)
    {
        remove_from_alives(cm, group, alives, alives->servers[index]);
    } else {
@ -270,7 +270,7 @@ static inline ConnectionInfo *make_readable_connection(SFConnectionManager *cm,
 }

 static ConnectionInfo *get_master_connection(SFConnectionManager *cm,
-        const int group_index, int *err_no)
+        const int group_index, const bool shared, int *err_no)
 {
    SFCMConnGroupEntry *group;
    ConnectionInfo *conn;
@ -283,7 +283,7 @@ static ConnectionInfo *get_master_connection(SFConnectionManager *cm,
            &cm->common_cfg->net_retry_cfg.connect);
    retry_count = 0;
    while (1) {
-        if ((conn=make_master_connection(cm, group, err_no)) != NULL) {
+        if ((conn=make_master_connection(cm, group, shared, err_no)) != NULL) {
            return conn;
        }

@ -313,7 +313,7 @@ static ConnectionInfo *get_master_connection(SFConnectionManager *cm,
 }

 static ConnectionInfo *get_readable_connection(SFConnectionManager *cm,
-        const int group_index, int *err_no)
+        const int group_index, const bool shared, int *err_no)
 {
    SFCMConnGroupEntry *group;
    SFCMServerPtrArray *alives;
@ -326,7 +326,7 @@ static ConnectionInfo *get_readable_connection(SFConnectionManager *cm,
    if ((cm->common_cfg->read_rule == sf_data_read_rule_master_only) ||
            (group->all.count == 1))
    {
-        return get_master_connection(cm, group_index, err_no);
+        return get_master_connection(cm, group_index, shared, err_no);
    }

    sf_init_net_retry_interval_context(&net_retry_ctx,
@ -338,14 +338,14 @@ static ConnectionInfo *get_readable_connection(SFConnectionManager *cm,
        if (alives->count > 0) {
            index = rand() % alives->count;
            if ((conn=make_readable_connection(cm, group, alives,
-                            index, err_no)) != NULL)
+                            index, shared, err_no)) != NULL)
            {
                return conn;
            }
        }

        if (cm->common_cfg->read_rule == sf_data_read_rule_slave_first) {
-            if ((conn=make_master_connection(cm, group, err_no)) != NULL) {
+            if ((conn=make_master_connection(cm, group, shared, err_no)) != NULL) {
                return conn;
            }
        }
@ -400,11 +400,12 @@ static void close_connection(SFConnectionManager *cm, ConnectionInfo *conn)
 }

 static ConnectionInfo *get_leader_connection(SFConnectionManager *cm,
-        FCServerInfo *server, int *err_no)
+        FCServerInfo *server, const bool shared, int *err_no)
 {
    ConnectionInfo *conn;
    SFClientServerEntry leader;
    SFNetRetryIntervalContext net_retry_ctx;
+    char formatted_ip[FORMATTED_IP_SIZE];
    int i;
    int connect_fails;

@ -415,7 +416,7 @@ static ConnectionInfo *get_leader_connection(SFConnectionManager *cm,
    while (1) {
        do {
            if ((conn=get_server_connection(cm, server,
-                            err_no)) == NULL)
+                            shared, err_no)) == NULL)
            {
                connect_fails++;
                break;
@ -432,8 +433,9 @@ static ConnectionInfo *get_leader_connection(SFConnectionManager *cm,
                return conn;
            }
            release_connection(cm, conn);
+
            if ((conn=get_spec_connection(cm, &leader.conn,
-                            err_no)) == NULL)
+                            shared, err_no)) == NULL)
            {
                if (cm->server_cfg != NULL) {
                    FCServerInfo *ls;
@ -444,7 +446,7 @@ static ConnectionInfo *get_leader_connection(SFConnectionManager *cm,
                                address_array.count > 1)
                        {
                            if ((conn=get_server_connection(cm, ls,
-                                            err_no)) != NULL)
+                                            shared, err_no)) != NULL)
                            {
                                return conn;
                            }
@ -467,10 +469,11 @@ static ConnectionInfo *get_leader_connection(SFConnectionManager *cm,
                connect.times, ++i, *err_no);
    }

+    format_ip_address(server->group_addrs[cm->server_group_index].
+            address_array.addrs[0]->conn.ip_addr, formatted_ip);
    logWarning("file: "__FILE__", line: %d, "
            "%s get_leader_connection fail, server id: %d, %s:%u, errno: %d",
-            __LINE__, cm->module_name, server->id, server->group_addrs
-            [cm->server_group_index].  address_array.addrs[0]->conn.ip_addr,
+            __LINE__, cm->module_name, server->id, formatted_ip,
            server->group_addrs[cm->server_group_index].address_array.
            addrs[0]->conn.port, *err_no);
    return NULL;
@ -527,12 +530,19 @@ int sf_connection_manager_init_ex(SFConnectionManager *cm,
    } extra_params;
    FCServerGroupInfo *server_group;

-    int htable_init_capacity;
+    int htable_capacity;
    int result;

-    htable_init_capacity = 4 * server_count;
-    if (htable_init_capacity < 256) {
-        htable_init_capacity = 256;
+    if (server_count <= 4) {
+        htable_capacity = 16;
+    } else if (server_count <= 16) {
+        htable_capacity = 64;
+    } else if (server_count <= 32) {
+        htable_capacity = 128;
+    } else if (server_count < 64) {
+        htable_capacity = 256;
+    } else {
+        htable_capacity = 4 * server_count;
    }

    if ((server_group=fc_server_get_group_by_index(server_cfg,
@ -552,7 +562,7 @@ int sf_connection_manager_init_ex(SFConnectionManager *cm,
        extra_params.ptr = &extra_params.holder;
    }
    if ((result=conn_pool_init_ex1(&cm->cpool, common_cfg->connect_timeout,
-                    max_count_per_entry, max_idle_time, htable_init_capacity,
+                    max_count_per_entry, max_idle_time, htable_capacity,
                    connect_done_callback, args,
                    sf_cm_validate_connection_callback, cm,
                    sizeof(SFConnectionParameters),
@ -768,6 +778,7 @@ static int do_get_group_servers(SFConnectionManager *cm,
 static int get_group_servers_by_active(SFConnectionManager *cm,
        SFCMConnGroupEntry *group)
 {
+    const bool shared = true;
    SFCMServerPtrArray *alives;
    SFCMServerEntry **server;
    SFCMServerEntry **end;
@ -783,7 +794,7 @@ static int get_group_servers_by_active(SFConnectionManager *cm,
    end = alives->servers + alives->count;
    for (server=alives->servers; server<end; server++) {
        if ((conn=make_connection(cm, (*server)->addr_array,
-                        &result)) == NULL)
+                        shared, &result)) == NULL)
        {
            continue;
        }
@ -801,6 +812,7 @@ static int get_group_servers_by_active(SFConnectionManager *cm,
 static int get_group_servers_by_all(SFConnectionManager *cm,
        SFCMConnGroupEntry *group)
 {
+    const bool shared = true;
    SFCMServerEntry *server;
    SFCMServerEntry *end;
    ConnectionInfo *conn;
@ -818,7 +830,7 @@ static int get_group_servers_by_all(SFConnectionManager *cm,
        }

        if ((conn=make_connection(cm, server->addr_array,
-                        &result)) == NULL)
+                        shared, &result)) == NULL)
        {
            continue;
        }
--- a/src/sf_connection_manager.h
+++ b/src/sf_connection_manager.h
@ -26,16 +26,17 @@
 struct sf_connection_manager;

 typedef ConnectionInfo *(*sf_get_connection_func)(
-        struct sf_connection_manager *cm,
-        const int group_index, int *err_no);
+        struct sf_connection_manager *cm, const int group_index,
+        const bool shared, int *err_no);

 typedef ConnectionInfo *(*sf_get_server_connection_func)(
        struct sf_connection_manager *cm,
-        FCServerInfo *server, int *err_no);
+        FCServerInfo *server, const bool shared, int *err_no);

 typedef ConnectionInfo *(*sf_get_spec_connection_func)(
        struct sf_connection_manager *cm,
-        const ConnectionInfo *target, int *err_no);
+        const ConnectionInfo *target,
+        const bool shared, int *err_no);

 typedef void (*sf_release_connection_func)(
        struct sf_connection_manager *cm, ConnectionInfo *conn);
--- a/src/sf_define.h
+++ b/src/sf_define.h
@ -20,8 +20,8 @@

 #include "fastcommon/sockopt.h"

-#define SF_DEFAULT_CONNECT_TIMEOUT    2
-#define SF_DEFAULT_NETWORK_TIMEOUT   10
+#define SF_DEFAULT_CONNECT_TIMEOUT   10
+#define SF_DEFAULT_NETWORK_TIMEOUT   60

 #define SF_DEF_THREAD_STACK_SIZE  (256 * 1024)
 #define SF_MIN_THREAD_STACK_SIZE  (64 * 1024)
@ -96,6 +96,8 @@
 #define SF_BINLOG_SOURCE_USER        'U'  //by user call
 #define SF_BINLOG_SOURCE_REPLAY      'R'  //by binlog replay

+#define SF_LOG_SCHEDULE_ENTRIES_COUNT 3
+
 #ifdef __cplusplus
 extern "C" {
 #endif
--- a/src/sf_file_writer.c
+++ b/src/sf_file_writer.c
@ -34,49 +34,108 @@
 #include "sf_func.h"
 #include "sf_file_writer.h"

-#define BINLOG_INDEX_ITEM_START_INDEX       "start_index"
-#define BINLOG_INDEX_ITEM_CURRENT_WRITE     "current_write"
-#define BINLOG_INDEX_ITEM_CURRENT_COMPRESS  "current_compress"
+#define BINLOG_INDEX_ITEM_START_INDEX_STR       "start_index"
+#define BINLOG_INDEX_ITEM_START_INDEX_LEN      \
+    (sizeof(BINLOG_INDEX_ITEM_START_INDEX_STR) - 1)

-#define GET_BINLOG_FILENAME(writer) \
-    sprintf(writer->file.name, "%s/%s/%s"SF_BINLOG_FILE_EXT_FMT, \
-            writer->cfg.data_path, writer->cfg.subdir_name, \
-            writer->cfg.file_prefix, writer->binlog.last_index)
+#define BINLOG_INDEX_ITEM_CURRENT_WRITE_STR     "current_write"
+#define BINLOG_INDEX_ITEM_CURRENT_WRITE_LEN      \
+    (sizeof(BINLOG_INDEX_ITEM_CURRENT_WRITE_STR) - 1)

-#define GET_BINLOG_INDEX_FILENAME_EX(data_path,    \
-        subdir_name, file_prefix, filename, size)  \
-    snprintf(filename, size, "%s/%s/%s_index.dat", \
-            data_path, subdir_name, file_prefix)
+#define BINLOG_INDEX_ITEM_CURRENT_COMPRESS_STR  "current_compress"
+#define BINLOG_INDEX_ITEM_CURRENT_COMPRESS_LEN      \
+    (sizeof(BINLOG_INDEX_ITEM_CURRENT_COMPRESS_STR) - 1)

-#define GET_BINLOG_INDEX_FILENAME(writer, filename, size) \
-    GET_BINLOG_INDEX_FILENAME_EX(writer->cfg.data_path,   \
-            writer->cfg.subdir_name, writer->cfg.file_prefix, filename, size)
+static inline void sf_file_writer_get_binlog_filename(SFFileWriterInfo *writer)
+{
+    sf_file_writer_get_filename_ex(
+            writer->cfg.data_path, writer->cfg.subdir_name,
+            writer->cfg.file_prefix, writer->binlog.last_index,
+            writer->file.name.str, writer->file.name.size);
+}
+
+static inline void sf_file_writer_get_index_filename_ex(
+        const char *data_path, const char *subdir_name,
+        const char *file_prefix, const int file_prefix_len,
+        char *filename, const int size)
+{
+#define INDEX_FILENAME_AFFIX_STR "_index.dat"
+#define INDEX_FILENAME_AFFIX_LEN (sizeof(INDEX_FILENAME_AFFIX_STR) - 1)
+
+    char *p;
+    int data_path_len;
+    int subdir_name_len;
+
+    data_path_len = strlen(data_path);
+    subdir_name_len = strlen(subdir_name);
+    if (data_path_len + 1 + subdir_name_len + 1 + file_prefix_len +
+            INDEX_FILENAME_AFFIX_LEN >= size)
+    {
+        *filename = '\0';
+        return;
+    }
+
+    memcpy(filename, data_path, data_path_len);
+    p = filename + data_path_len;
+    *p++ = '/';
+
+    memcpy(p, subdir_name, subdir_name_len);
+    p += subdir_name_len;
+    *p++ = '/';
+
+    memcpy(p, file_prefix, file_prefix_len);
+    p += file_prefix_len;
+
+    memcpy(p, INDEX_FILENAME_AFFIX_STR, INDEX_FILENAME_AFFIX_LEN);
+    p += INDEX_FILENAME_AFFIX_LEN;
+    *p = '\0';
+}

 const char *sf_file_writer_get_index_filename(const char *data_path,
        const char *subdir_name, char *filename, const int size)
 {
-    GET_BINLOG_INDEX_FILENAME_EX(data_path, subdir_name,
-            SF_BINLOG_FILE_PREFIX, filename, size);
+    sf_file_writer_get_index_filename_ex(data_path, subdir_name,
+            SF_BINLOG_FILE_PREFIX_STR, SF_BINLOG_FILE_PREFIX_LEN,
+            filename, size);
    return filename;
 }

-static int write_to_binlog_index_file(SFFileWriterInfo *writer)
+int sf_file_writer_write_to_binlog_index_file_ex(const char *data_path,
+        const char *subdir_name, const char *file_prefix,
+        const int start_index, const int last_index,
+        const int compress_index)
 {
    char filename[PATH_MAX];
    char buff[256];
+    char *p;
    int result;
    int len;

-    GET_BINLOG_INDEX_FILENAME(writer, filename, sizeof(filename));
-    len = sprintf(buff, "%s=%d\n"
-            "%s=%d\n"
-            "%s=%d\n",
-            BINLOG_INDEX_ITEM_START_INDEX,
-            writer->binlog.start_index,
-            BINLOG_INDEX_ITEM_CURRENT_WRITE,
-            writer->binlog.last_index,
-            BINLOG_INDEX_ITEM_CURRENT_COMPRESS,
-            writer->binlog.compress_index);
+    sf_file_writer_get_index_filename_ex(data_path, subdir_name, file_prefix,
+            strlen(file_prefix), filename, sizeof(filename));
+    p = buff;
+    memcpy(p, BINLOG_INDEX_ITEM_START_INDEX_STR,
+            BINLOG_INDEX_ITEM_START_INDEX_LEN);
+    p += BINLOG_INDEX_ITEM_START_INDEX_LEN;
+    *p++ = '=';
+    p += fc_itoa(start_index, p);
+    *p++ = '\n';
+
+    memcpy(p, BINLOG_INDEX_ITEM_CURRENT_WRITE_STR,
+            BINLOG_INDEX_ITEM_CURRENT_WRITE_LEN);
+    p += BINLOG_INDEX_ITEM_CURRENT_WRITE_LEN;
+    *p++ = '=';
+    p += fc_itoa(last_index, p);
+    *p++ = '\n';
+
+    memcpy(p, BINLOG_INDEX_ITEM_CURRENT_COMPRESS_STR,
+            BINLOG_INDEX_ITEM_CURRENT_COMPRESS_LEN);
+    p += BINLOG_INDEX_ITEM_CURRENT_COMPRESS_LEN;
+    *p++ = '=';
+    p += fc_itoa(compress_index, p);
+    *p++ = '\n';
+
+    len = p - buff;
    if ((result=safeWriteToFile(filename, buff, len)) != 0) {
        logError("file: "__FILE__", line: %d, "
                "write to file \"%s\" fail, errno: %d, error info: %s",
@ -86,6 +145,14 @@ static int write_to_binlog_index_file(SFFileWriterInfo *writer)
    return result;
 }

+static inline int write_to_binlog_index_file(SFFileWriterInfo *writer)
+{
+    return sf_file_writer_write_to_binlog_index_file_ex(
+            writer->cfg.data_path, writer->cfg.subdir_name,
+            writer->cfg.file_prefix, writer->binlog.start_index,
+            writer->binlog.last_index, writer->binlog.compress_index);
+}
+
 static int get_binlog_info_from_file(const char *data_path,
        const char *subdir_name, int *start_index,
        int *last_index, int *compress_index)
@ -94,8 +161,8 @@ static int get_binlog_info_from_file(const char *data_path,
    IniContext ini_context;
    int result;

-    GET_BINLOG_INDEX_FILENAME_EX(data_path,
-            subdir_name, SF_BINLOG_FILE_PREFIX,
+    sf_file_writer_get_index_filename_ex(data_path, subdir_name,
+            SF_BINLOG_FILE_PREFIX_STR, SF_BINLOG_FILE_PREFIX_LEN,
            full_filename, sizeof(full_filename));
    if (access(full_filename, F_OK) != 0) {
        return errno != 0 ? errno : EPERM;
@ -109,13 +176,13 @@ static int get_binlog_info_from_file(const char *data_path,
    }

    *start_index = iniGetIntValue(NULL,
-            BINLOG_INDEX_ITEM_START_INDEX,
+            BINLOG_INDEX_ITEM_START_INDEX_STR,
            &ini_context, 0);
    *last_index = iniGetIntValue(NULL,
-            BINLOG_INDEX_ITEM_CURRENT_WRITE,
+            BINLOG_INDEX_ITEM_CURRENT_WRITE_STR,
            &ini_context, 0);
    *compress_index = iniGetIntValue(NULL,
-            BINLOG_INDEX_ITEM_CURRENT_COMPRESS,
+            BINLOG_INDEX_ITEM_CURRENT_COMPRESS_STR,
            &ini_context, 0);

    iniFreeContext(&ini_context);
@ -165,14 +232,14 @@ static int open_writable_binlog(SFFileWriterInfo *writer)
        close(writer->file.fd);
    }

-    GET_BINLOG_FILENAME(writer);
-    writer->file.fd = open(writer->file.name, O_WRONLY |
+    sf_file_writer_get_binlog_filename(writer);
+    writer->file.fd = open(writer->file.name.str, O_WRONLY |
            O_CREAT | O_APPEND | O_CLOEXEC, 0644);
    if (writer->file.fd < 0) {
        logError("file: "__FILE__", line: %d, "
                "open file \"%s\" fail, "
                "errno: %d, error info: %s",
-                __LINE__, writer->file.name,
+                __LINE__, writer->file.name.str,
                errno, STRERROR(errno));
        return errno != 0 ? errno : EACCES;
    }
@ -182,7 +249,7 @@ static int open_writable_binlog(SFFileWriterInfo *writer)
        logError("file: "__FILE__", line: %d, "
                "lseek file \"%s\" fail, "
                "errno: %d, error info: %s",
-                __LINE__, writer->file.name,
+                __LINE__, writer->file.name.str,
                errno, STRERROR(errno));
        return errno != 0 ? errno : EIO;
    }
@ -192,23 +259,24 @@ static int open_writable_binlog(SFFileWriterInfo *writer)

 static int open_next_binlog(SFFileWriterInfo *writer)
 {
-    GET_BINLOG_FILENAME(writer);
-    if (access(writer->file.name, F_OK) == 0) {
+    sf_file_writer_get_binlog_filename(writer);
+    if (access(writer->file.name.str, F_OK) == 0) {
        char bak_filename[PATH_MAX];
        char date_str[32];

-        snprintf(bak_filename, sizeof(bak_filename), "%s.%s",
-                writer->file.name, formatDatetime(g_current_time,
-                    "%Y%m%d%H%M%S", date_str, sizeof(date_str)));
-        if (rename(writer->file.name, bak_filename) == 0) {
+        formatDatetime(g_current_time, "%Y%m%d%H%M%S",
+                date_str, sizeof(date_str));
+        fc_combine_two_strings(writer->file.name.str,
+                date_str, '.', bak_filename);
+        if (rename(writer->file.name.str, bak_filename) == 0) {
            logWarning("file: "__FILE__", line: %d, "
                    "binlog file %s exist, rename to %s",
-                    __LINE__, writer->file.name, bak_filename);
+                    __LINE__, writer->file.name.str, bak_filename);
        } else {
            logError("file: "__FILE__", line: %d, "
                    "rename binlog %s to backup %s fail, "
                    "errno: %d, error info: %s",
-                    __LINE__, writer->file.name, bak_filename,
+                    __LINE__, writer->file.name.str, bak_filename,
                    errno, STRERROR(errno));
            return errno != 0 ? errno : EPERM;
        }
@ -227,7 +295,7 @@ static int do_write_to_file(SFFileWriterInfo *writer,
        logError("file: "__FILE__", line: %d, "
                "write to binlog file \"%s\" fail, "
                "errno: %d, error info: %s",
-                __LINE__, writer->file.name,
+                __LINE__, writer->file.name.str,
                result, STRERROR(result));
        return result;
    }
@ -236,19 +304,23 @@ static int do_write_to_file(SFFileWriterInfo *writer,
        if (fsync(writer->file.fd) != 0) {
            result = errno != 0 ? errno : EIO;
            logError("file: "__FILE__", line: %d, "
-                    "fsync to binlog file \"%s\" fail, "
-                    "errno: %d, error info: %s",
-                    __LINE__, writer->file.name,
+                    "fsync to binlog file \"%s\" fail, errno: %d, "
+                    "error info: %s", __LINE__, writer->file.name.str,
                    result, STRERROR(result));
            return result;
        }
    }

    writer->file.size += len;
+    if (writer->write_done_callback.func != NULL) {
+        writer->write_done_callback.func(writer,
+                writer->write_done_callback.args);
+    }
+
    return 0;
 }

-static int check_write_to_file(SFFileWriterInfo *writer,
+int sf_file_writer_direct_write(SFFileWriterInfo *writer,
        char *buff, const int len)
 {
    int result;
@ -267,7 +339,7 @@ static int check_write_to_file(SFFileWriterInfo *writer,
    if (result != 0) {
        logError("file: "__FILE__", line: %d, "
                "open binlog file \"%s\" fail",
-                __LINE__, writer->file.name);
+                __LINE__, writer->file.name.str);
        return result;
    }

@ -279,12 +351,12 @@ int sf_file_writer_flush(SFFileWriterInfo *writer)
    int result;
    int len;

-    len = SF_BINLOG_BUFFER_LENGTH(writer->binlog_buffer);
+    len = SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH(writer->binlog_buffer);
    if (len == 0) {
        return 0;
    }

-    if ((result=check_write_to_file(writer, writer->
+    if ((result=sf_file_writer_direct_write(writer, writer->
                    binlog_buffer.buff, len)) == 0)
    {
        if (writer->flags & SF_FILE_WRITER_FLAGS_WANT_DONE_VERSION) {
@ -292,10 +364,30 @@ int sf_file_writer_flush(SFFileWriterInfo *writer)
        }
    }

-    writer->binlog_buffer.end = writer->binlog_buffer.buff;
+    writer->binlog_buffer.data_end = writer->binlog_buffer.buff;
    return result;
 }

+int sf_file_writer_fsync(SFFileWriterInfo *writer)
+{
+    int result;
+
+    if ((result=sf_file_writer_flush(writer)) != 0) {
+        return result;
+    }
+
+    if (fsync(writer->file.fd) == 0) {
+        return 0;
+    } else {
+        result = errno != 0 ? errno : EIO;
+        logError("file: "__FILE__", line: %d, "
+                "fsync to binlog file \"%s\" fail, errno: %d, "
+                "error info: %s", __LINE__, writer->file.name.str,
+                result, STRERROR(result));
+        return result;
+    }
+}
+
 int sf_file_writer_get_indexes(SFFileWriterInfo *writer,
        int *start_index, int *last_index)
 {
@ -324,14 +416,14 @@ int sf_file_writer_deal_versioned_buffer(SFFileWriterInfo *writer,
    int result;

    if (buffer->length >= writer->binlog_buffer.size / 4) {
-        if (SF_BINLOG_BUFFER_LENGTH(writer->binlog_buffer) > 0) {
+        if (SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH(writer->binlog_buffer) > 0) {
            if ((result=sf_file_writer_flush(writer)) != 0) {
                return result;
            }
        }

-        if ((result=check_write_to_file(writer, buffer->buff,
-                        buffer->length)) == 0)
+        if ((result=sf_file_writer_direct_write(writer, buffer->
+                        buff, buffer->length)) == 0)
        {
            if (writer->flags & SF_FILE_WRITER_FLAGS_WANT_DONE_VERSION) {
                writer->last_versions.pending = version;
@ -342,13 +434,13 @@ int sf_file_writer_deal_versioned_buffer(SFFileWriterInfo *writer,
    }

    if (writer->cfg.file_rotate_size > 0 && writer->file.size +
-            SF_BINLOG_BUFFER_LENGTH(writer->binlog_buffer) +
+            SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH(writer->binlog_buffer) +
            buffer->length > writer->cfg.file_rotate_size)
    {
        if ((result=sf_file_writer_flush(writer)) != 0) {
            return result;
        }
-    } else if (writer->binlog_buffer.size - SF_BINLOG_BUFFER_LENGTH(
+    } else if (SF_BINLOG_BUFFER_PRODUCER_BUFF_REMAIN(
                writer->binlog_buffer) < buffer->length)
    {
        if ((result=sf_file_writer_flush(writer)) != 0) {
@ -359,16 +451,40 @@ int sf_file_writer_deal_versioned_buffer(SFFileWriterInfo *writer,
    if (writer->flags & SF_FILE_WRITER_FLAGS_WANT_DONE_VERSION) {
        writer->last_versions.pending = version;
    }
-    memcpy(writer->binlog_buffer.end, buffer->buff, buffer->length);
-    writer->binlog_buffer.end += buffer->length;
+    memcpy(writer->binlog_buffer.data_end, buffer->buff, buffer->length);
+    writer->binlog_buffer.data_end += buffer->length;

    return 0;
 }

+int sf_file_writer_save_buffer_ex(SFFileWriterInfo *writer,
+        const int length, const bool flush)
+{
+    int result;
+
+    if (writer->cfg.file_rotate_size > 0 && writer->file.size +
+            SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH(writer->binlog_buffer) +
+            length > writer->cfg.file_rotate_size)
+    {
+        if ((result=sf_file_writer_flush(writer)) != 0) {
+            return result;
+        }
+    }
+
+    writer->binlog_buffer.data_end += length;
+    if (flush || SF_BINLOG_BUFFER_PRODUCER_BUFF_REMAIN(writer->
+                binlog_buffer) < writer->cfg.max_record_size)
+    {
+        return sf_file_writer_flush(writer);
+    } else {
+        return 0;
+    }
+}
+
 int sf_file_writer_init(SFFileWriterInfo *writer, const char *data_path,
        const char *subdir_name, const char *file_prefix,
-        const int buffer_size, const int64_t file_rotate_size,
-        const bool call_fsync)
+        const int max_record_size, const int buffer_size,
+        const int64_t file_rotate_size, const bool call_fsync)
 {
    int result;
    int path_len;
@ -379,17 +495,18 @@ int sf_file_writer_init(SFFileWriterInfo *writer, const char *data_path,
    writer->last_versions.pending = 0;
    writer->last_versions.done = 0;
    writer->flags = 0;
+    sf_file_writer_set_write_done_callback(writer, NULL, NULL);
    if ((result=sf_binlog_buffer_init(&writer->
                    binlog_buffer, buffer_size)) != 0)
    {
        return result;
    }

+    writer->cfg.max_record_size = max_record_size;
    writer->cfg.call_fsync = call_fsync;
    writer->cfg.file_rotate_size = file_rotate_size;
    writer->cfg.data_path = data_path;
-    path_len = snprintf(filepath, sizeof(filepath),
-            "%s/%s", data_path, subdir_name);
+    path_len = fc_combine_full_filepath(data_path, subdir_name, filepath);
    if ((result=fc_check_mkdir_ex(filepath, 0775, &create)) != 0) {
        return result;
    }
@ -398,14 +515,11 @@ int sf_file_writer_init(SFFileWriterInfo *writer, const char *data_path,
    }

    writer->file.fd = -1;
-    snprintf(writer->cfg.subdir_name,
-            sizeof(writer->cfg.subdir_name),
-            "%s", subdir_name);
-    snprintf(writer->cfg.file_prefix,
-            sizeof(writer->cfg.file_prefix),
-            "%s", file_prefix);
-    writer->file.name = (char *)fc_malloc(path_len + 32);
-    if (writer->file.name == NULL) {
+    fc_safe_strcpy(writer->cfg.subdir_name, subdir_name);
+    fc_safe_strcpy(writer->cfg.file_prefix, file_prefix);
+    writer->file.name.size = path_len + 32;
+    writer->file.name.str = (char *)fc_malloc(writer->file.name.size);
+    if (writer->file.name.str == NULL) {
        return ENOMEM;
    }

@ -426,9 +540,9 @@ void sf_file_writer_destroy(SFFileWriterInfo *writer)
        close(writer->file.fd);
        writer->file.fd = -1;
    }
-    if (writer->file.name != NULL) {
-        free(writer->file.name);
-        writer->file.name = NULL;
+    if (writer->file.name.str != NULL) {
+        free(writer->file.name.str);
+        writer->file.name.str = NULL;
    }
    sf_binlog_buffer_destroy(&writer->binlog_buffer);
 }
@ -572,3 +686,22 @@ int sf_file_writer_get_last_lines(const char *data_path,

    return 0;
 }
+
+int sf_file_writer_get_last_line(const char *data_path,
+        const char *subdir_name, char *buff,
+        const int buff_size, int *length)
+{
+    int result;
+    int last_index;
+    int count = 1;
+
+    if ((result=sf_file_writer_get_binlog_last_index(data_path,
+                    subdir_name, &last_index)) != 0)
+    {
+        *length = 0;
+        return result;
+    }
+
+    return sf_file_writer_get_last_lines(data_path, subdir_name,
+            last_index, buff, buff_size, &count, length);
+}
--- a/src/sf_file_writer.h
+++ b/src/sf_file_writer.h
@ -24,20 +24,24 @@
 #define SF_FILE_WRITER_FLAGS_WANT_DONE_VERSION  1

 #define SF_BINLOG_SUBDIR_NAME_SIZE     128
-#define SF_BINLOG_FILE_PREFIX_SIZE      64
+#define SF_BINLOG_FILE_PREFIX_STR_SIZE 64
 #define SF_BINLOG_DEFAULT_ROTATE_SIZE  (1024 * 1024 * 1024)
 #define SF_BINLOG_NEVER_ROTATE_FILE    0
-#define SF_BINLOG_FILE_PREFIX          "binlog"
-#define SF_BINLOG_FILE_EXT_FMT         ".%06d"
+#define SF_BINLOG_FILE_PREFIX_STR      "binlog"
+#define SF_BINLOG_FILE_PREFIX_LEN      (sizeof(SF_BINLOG_FILE_PREFIX_STR) - 1)
+#define SF_BINLOG_FILE_EXT_LEN 6
+#define SF_BINLOG_FILE_EXT_FMT ".%0"FC_MACRO_TOSTRING(SF_BINLOG_FILE_EXT_LEN)"d"

-#define SF_BINLOG_BUFFER_LENGTH(buffer) ((buffer).end - (buffer).buff)
-#define SF_BINLOG_BUFFER_REMAIN(buffer) ((buffer).end - (buffer).current)
+struct sf_file_writer_info;
+
+typedef void (*sf_file_write_done_callback)(
+        struct sf_file_writer_info *writer, void *args);

 typedef struct sf_file_writer_info {
    struct {
        const char *data_path;
        char subdir_name[SF_BINLOG_SUBDIR_NAME_SIZE];
-        char file_prefix[SF_BINLOG_FILE_PREFIX_SIZE];
+        char file_prefix[SF_BINLOG_FILE_PREFIX_STR_SIZE];
        int64_t file_rotate_size;
        int max_record_size;
        bool call_fsync;
@ -51,8 +55,11 @@ typedef struct sf_file_writer_info {

    struct {
        int fd;
-        int64_t size;
-        char *name;
+        int64_t size;  //file size
+        struct {
+            char *str;
+            int size;
+        } name;
    } file;

    int64_t total_count;
@ -63,6 +70,12 @@ typedef struct sf_file_writer_info {
        int64_t pending;
        volatile int64_t done;
    } last_versions;
+
+    struct {
+        sf_file_write_done_callback func;
+        void *args;
+    } write_done_callback;
+
 } SFFileWriterInfo;

 #ifdef __cplusplus
@ -71,11 +84,14 @@ extern "C" {

 int sf_file_writer_init(SFFileWriterInfo *writer, const char *data_path,
        const char *subdir_name, const char *file_prefix,
-        const int buffer_size, const int64_t file_rotate_size,
-        const bool call_fsync);
+        const int max_record_size, const int buffer_size,
+        const int64_t file_rotate_size, const bool call_fsync);

 void sf_file_writer_destroy(SFFileWriterInfo *writer);

+int sf_file_writer_direct_write(SFFileWriterInfo *writer,
+        char *buff, const int len);
+
 int sf_file_writer_deal_versioned_buffer(SFFileWriterInfo *writer,
        BufferInfo *buffer, const int64_t version);

@ -84,12 +100,51 @@ int sf_file_writer_deal_versioned_buffer(SFFileWriterInfo *writer,

 int sf_file_writer_flush(SFFileWriterInfo *writer);

+int sf_file_writer_fsync(SFFileWriterInfo *writer);
+
+#define SF_FILE_WRITER_DATA_END_BUFF(writer) (writer)->binlog_buffer.data_end
+#define SF_FILE_WRITER_CURRENT_DATA_VERSION(writer) \
+    (writer)->last_versions.pending
+#define SF_FILE_WRITER_NEXT_DATA_VERSION(writer) \
+    ++((writer)->last_versions.pending)
+
+int sf_file_writer_save_buffer_ex(SFFileWriterInfo *writer,
+        const int length, const bool flush);
+
+static inline int sf_file_writer_save_buffer(
+        SFFileWriterInfo *writer, const int length)
+{
+    const bool flush = false;
+    return sf_file_writer_save_buffer_ex(writer, length, flush);
+}
+
+static inline int sf_file_writer_flush_buffer(
+        SFFileWriterInfo *writer, const int length)
+{
+    const bool flush = true;
+    return sf_file_writer_save_buffer_ex(writer, length, flush);
+}
+
 static inline void sf_file_writer_set_flags(
        SFFileWriterInfo *writer, const short flags)
 {
    writer->flags = flags;
 }

+static inline void sf_file_writer_set_call_fsync(
+        SFFileWriterInfo *writer, const bool call_fsync)
+{
+    writer->cfg.call_fsync = call_fsync;
+}
+
+static inline void sf_file_writer_set_write_done_callback (
+        SFFileWriterInfo *writer, sf_file_write_done_callback callback,
+        void *args)
+{
+    writer->write_done_callback.func = callback;
+    writer->write_done_callback.args = args;
+}
+
 static inline int64_t sf_file_writer_get_last_version_ex(
        SFFileWriterInfo *writer, const int log_level)
 {
@ -172,7 +227,8 @@ static inline const char *sf_file_writer_get_filepath(
        const char *data_path, const char *subdir_name,
        char *filepath, const int size)
 {
-    snprintf(filepath, size, "%s/%s", data_path, subdir_name);
+    fc_get_full_filepath_ex(data_path, strlen(data_path),
+            subdir_name, strlen(subdir_name), filepath, size);
    return filepath;
 }

@ -181,15 +237,41 @@ static inline const char *sf_file_writer_get_filename_ex(
        const char *file_prefix, const int binlog_index,
        char *filename, const int size)
 {
-    snprintf(filename, size, "%s/%s/%s"SF_BINLOG_FILE_EXT_FMT,
-            data_path, subdir_name, file_prefix, binlog_index);
+    char *p;
+    int data_path_len;
+    int subdir_name_len;
+    int file_prefix_len;
+
+    data_path_len = strlen(data_path);
+    subdir_name_len = strlen(subdir_name);
+    file_prefix_len = strlen(file_prefix);
+    if (data_path_len + subdir_name_len + file_prefix_len +
+            4 + SF_BINLOG_FILE_EXT_LEN >= size)
+    {
+        snprintf(filename, size, "%s/%s/%s"SF_BINLOG_FILE_EXT_FMT,
+                data_path, subdir_name, file_prefix, binlog_index);
+        return filename;
+    }
+
+    p = filename;
+    memcpy(p, data_path, data_path_len);
+    p += data_path_len;
+    *p++ = '/';
+    memcpy(p, subdir_name, subdir_name_len);
+    p += subdir_name_len;
+    *p++ = '/';
+    memcpy(p, file_prefix, file_prefix_len);
+    p += file_prefix_len;
+    *p++ = '.';
+    fc_ltostr_ex(binlog_index, p, SF_BINLOG_FILE_EXT_LEN);
+
    return filename;
 }

 #define sf_file_writer_get_filename(data_path, subdir_name, \
        binlog_index, filename, size) \
    sf_file_writer_get_filename_ex(data_path, subdir_name, \
-        SF_BINLOG_FILE_PREFIX, binlog_index, filename, size)
+        SF_BINLOG_FILE_PREFIX_STR, binlog_index, filename, size)

 const char *sf_file_writer_get_index_filename(const char *data_path,
        const char *subdir_name, char *filename, const int size);
@ -200,10 +282,40 @@ int sf_file_writer_set_binlog_start_index(SFFileWriterInfo *writer,
 int sf_file_writer_set_binlog_write_index(SFFileWriterInfo *writer,
        const int last_index);

+static inline int sf_file_writer_rotate_file(SFFileWriterInfo *writer)
+{
+    int last_index;
+    last_index = sf_file_writer_get_current_write_index(writer);
+    return sf_file_writer_set_binlog_write_index(writer, last_index + 1);
+}
+
 int sf_file_writer_get_last_lines(const char *data_path,
        const char *subdir_name, const int current_write_index,
        char *buff, const int buff_size, int *count, int *length);

+static inline int sf_file_writer_get_last_line_ex(const char *data_path,
+        const char *subdir_name, const int current_write_index,
+        char *buff, const int buff_size, int *length)
+{
+    int count = 1;
+    return sf_file_writer_get_last_lines(data_path, subdir_name,
+            current_write_index, buff, buff_size, &count, length);
+}
+
+int sf_file_writer_get_last_line(const char *data_path,
+        const char *subdir_name, char *buff,
+        const int buff_size, int *length);
+
+int sf_file_writer_write_to_binlog_index_file_ex(const char *data_path,
+        const char *subdir_name, const char *file_prefix,
+        const int start_index, const int last_index,
+        const int compress_index);
+
+#define sf_file_writer_write_to_binlog_index_file(data_path,  \
+        subdir_name, start_index, last_index) \
+    sf_file_writer_write_to_binlog_index_file_ex(data_path, subdir_name, \
+            SF_BINLOG_FILE_PREFIX_STR, start_index, last_index, 0)
+
 #ifdef __cplusplus
 }
 #endif
--- a/src/sf_func.c
+++ b/src/sf_func.c
@ -38,7 +38,7 @@ int sf_connect_to_server(const char *ip_addr, const int port, int *sock)
    if(*sock < 0) {
        return errno != 0 ? errno : ENOMEM;
    }
-    tcpsetserveropt(*sock, g_sf_global_vars.network_timeout);
+    tcpsetserveropt(*sock, g_sf_global_vars.net_buffer_cfg.network_timeout);

    if ((result=tcpsetnonblockopt(*sock)) != 0) {
        close(*sock);
@ -47,8 +47,8 @@ int sf_connect_to_server(const char *ip_addr, const int port, int *sock)
    }
    FC_SET_CLOEXEC(*sock);

-    if ((result=connectserverbyip_nb(*sock, ip_addr, port,
-                    g_sf_global_vars.connect_timeout)) != 0)
+    if ((result=connectserverbyip_nb(*sock, ip_addr, port, g_sf_global_vars.
+                    net_buffer_cfg.connect_timeout)) != 0)
    {
        close(*sock);
        *sock = -1;
--- a/src/sf_func.h
+++ b/src/sf_func.h
@ -56,7 +56,8 @@ static inline int sf_binlog_buffer_init(SFBinlogBuffer *buffer, const int size)
        return ENOMEM;
    }

-    buffer->current = buffer->end = buffer->buff;
+    buffer->current = buffer->data_end = buffer->buff;
+    buffer->buff_end = buffer->buff + size;
    buffer->size = size;
    return 0;
 }
@ -65,7 +66,8 @@ static inline void sf_binlog_buffer_destroy(SFBinlogBuffer *buffer)
 {
    if (buffer->buff != NULL) {
        free(buffer->buff);
-        buffer->current = buffer->end = buffer->buff = NULL;
+        buffer->current = buffer->buff = NULL;
+        buffer->data_end = buffer->buff_end = NULL;
        buffer->size = 0;
    }
 }
--- a/src/sf_global.c
+++ b/src/sf_global.c
@ -37,102 +37,106 @@
 #include "sf_global.h"

 SFGlobalVariables g_sf_global_vars = {
-    SF_DEFAULT_CONNECT_TIMEOUT, SF_DEFAULT_NETWORK_TIMEOUT,
    {{'/', 't', 'm', 'p', '\0'}, false},
-    true, true, false, DEFAULT_MAX_CONNECTONS,
+    true, true, false, { SF_DEFAULT_CONNECT_TIMEOUT,
+        SF_DEFAULT_NETWORK_TIMEOUT, DEFAULT_MAX_CONNECTONS,
    SF_DEF_MAX_PACKAGE_SIZE, SF_DEF_MIN_BUFF_SIZE,
-    SF_DEF_MAX_BUFF_SIZE, 0, SF_DEF_THREAD_STACK_SIZE, 0,
+    SF_DEF_MAX_BUFF_SIZE}, 0, SF_DEF_THREAD_STACK_SIZE, 0,
    {false, 0, 0, {'\0'}, {'\0'}},
    {SF_DEF_SYNC_LOG_BUFF_INTERVAL, false},
    {0, 0}, NULL, {NULL, 0}
 };

-SFContext g_sf_context = {{'\0'}, NULL, 0, sf_address_family_auto,
-    {{AF_UNSPEC, {{true, fc_comm_type_sock}, {false, fc_comm_type_rdma}}},
-        {AF_UNSPEC, {{true, fc_comm_type_sock}, {false, fc_comm_type_rdma}}}},
-    1, DEFAULT_WORK_THREADS, 0, true, true, true, {false, 0, 0},
-    {sf_task_finish_clean_up}
+SFContext g_sf_context = {{'\0'}, NULL, 0, false, false, false,
+    sf_address_family_auto, {{AF_UNSPEC, {{true, fc_comm_type_sock},
+        {false, fc_comm_type_rdma}}},
+    {AF_UNSPEC, {{true, fc_comm_type_sock}, {false, fc_comm_type_rdma}}}},
+    {DEFAULT_MAX_CONNECTONS, SF_DEF_MAX_PACKAGE_SIZE, SF_DEF_MIN_BUFF_SIZE,
+    SF_DEF_MAX_BUFF_SIZE}, 1, DEFAULT_WORK_THREADS, 0, true, true,
+    {false, 0, 0}, {sf_task_finish_clean_up}
 };

 static int load_network_parameters(IniFullContext *ini_ctx,
-        const char *max_pkg_size_item_nm, const int fixed_buff_size,
-        const int task_buffer_extra_size)
+        const char *max_pkg_size_item_nm, const int max_pkg_size_min_value,
+        const int fixed_buff_size, const int task_buffer_extra_size,
+        SFNetBufferConfig *net_buffer_cfg)
 {
-    int result;
    int padding_buff_size;
    char *pMinBuffSize;
    char *pMaxBuffSize;

-    g_sf_global_vars.connect_timeout = iniGetIntValueEx(ini_ctx->
+    net_buffer_cfg->connect_timeout = iniGetIntValueEx(ini_ctx->
            section_name, "connect_timeout", ini_ctx->context,
            SF_DEFAULT_CONNECT_TIMEOUT, true);
-    if (g_sf_global_vars.connect_timeout <= 0) {
-        g_sf_global_vars.connect_timeout = SF_DEFAULT_CONNECT_TIMEOUT;
+    if (net_buffer_cfg->connect_timeout <= 0) {
+        net_buffer_cfg->connect_timeout = SF_DEFAULT_CONNECT_TIMEOUT;
    }

-    g_sf_global_vars.network_timeout = iniGetIntValueEx(ini_ctx->
+    net_buffer_cfg->network_timeout = iniGetIntValueEx(ini_ctx->
            section_name, "network_timeout", ini_ctx->context,
            SF_DEFAULT_NETWORK_TIMEOUT, true);
-    if (g_sf_global_vars.network_timeout <= 0) {
-        g_sf_global_vars.network_timeout = SF_DEFAULT_NETWORK_TIMEOUT;
+    if (net_buffer_cfg->network_timeout <= 0) {
+        net_buffer_cfg->network_timeout = SF_DEFAULT_NETWORK_TIMEOUT;
    }

-    g_sf_global_vars.max_connections = iniGetIntValueEx(ini_ctx->section_name,
+    net_buffer_cfg->max_connections = iniGetIntValueEx(ini_ctx->section_name,
            "max_connections", ini_ctx->context, DEFAULT_MAX_CONNECTONS, true);
-    if (g_sf_global_vars.max_connections <= 0) {
-        g_sf_global_vars.max_connections = DEFAULT_MAX_CONNECTONS;
-    }
-
-    if ((result=set_rlimit(RLIMIT_NOFILE, g_sf_global_vars.
-                    max_connections)) != 0)
-    {
-        return result;
+    if (net_buffer_cfg->max_connections <= 0) {
+        net_buffer_cfg->max_connections = DEFAULT_MAX_CONNECTONS;
    }

    if (fixed_buff_size > 0) {
-        padding_buff_size = fixed_buff_size + task_buffer_extra_size;
-        g_sf_global_vars.min_buff_size = padding_buff_size;
-        g_sf_global_vars.max_buff_size = padding_buff_size;
-        g_sf_global_vars.max_pkg_size = padding_buff_size;
+        padding_buff_size = FC_MAX(fixed_buff_size, max_pkg_size_min_value) +
+            task_buffer_extra_size;
+        net_buffer_cfg->min_buff_size = padding_buff_size;
+        net_buffer_cfg->max_buff_size = padding_buff_size;
+        net_buffer_cfg->max_pkg_size = padding_buff_size;
        return 0;
    }

-    g_sf_global_vars.max_pkg_size = iniGetByteCorrectValueEx(ini_ctx,
+    net_buffer_cfg->max_pkg_size = iniGetByteCorrectValueEx(ini_ctx,
            max_pkg_size_item_nm, SF_DEF_MAX_PACKAGE_SIZE, 1, 8192,
            SF_MAX_NETWORK_BUFF_SIZE, true);
+    if (net_buffer_cfg->max_pkg_size < max_pkg_size_min_value) {
+        net_buffer_cfg->max_pkg_size = max_pkg_size_min_value;
+    }
+    if (task_buffer_extra_size > 0) {
+        net_buffer_cfg->max_pkg_size += task_buffer_extra_size;
+    }
+
    pMinBuffSize = iniGetStrValueEx(ini_ctx->section_name,
            "min_buff_size", ini_ctx->context, true);
    pMaxBuffSize = iniGetStrValueEx(ini_ctx->section_name,
            "max_buff_size", ini_ctx->context, true);
    if (pMinBuffSize == NULL || pMaxBuffSize == NULL) {
-        g_sf_global_vars.min_buff_size = g_sf_global_vars.max_pkg_size;
-        g_sf_global_vars.max_buff_size = g_sf_global_vars.max_pkg_size;
+        net_buffer_cfg->min_buff_size = net_buffer_cfg->max_pkg_size;
+        net_buffer_cfg->max_buff_size = net_buffer_cfg->max_pkg_size;
    } else {
-        g_sf_global_vars.min_buff_size = iniGetByteCorrectValueEx(ini_ctx,
+        net_buffer_cfg->min_buff_size = iniGetByteCorrectValueEx(ini_ctx,
            "min_buff_size", SF_DEF_MIN_BUFF_SIZE, 1, 4096,
            SF_MAX_NETWORK_BUFF_SIZE, true);
-        g_sf_global_vars.max_buff_size = iniGetByteCorrectValueEx(ini_ctx,
+        net_buffer_cfg->max_buff_size = iniGetByteCorrectValueEx(ini_ctx,
            "max_buff_size", SF_DEF_MAX_BUFF_SIZE, 1, 8192,
            SF_MAX_NETWORK_BUFF_SIZE, true);

-        if (g_sf_global_vars.max_buff_size < g_sf_global_vars.max_pkg_size) {
-            g_sf_global_vars.max_buff_size = g_sf_global_vars.max_pkg_size;
+        if (task_buffer_extra_size > 0) {
+            net_buffer_cfg->min_buff_size += task_buffer_extra_size;
+            net_buffer_cfg->max_buff_size += task_buffer_extra_size;
        }
-        if (g_sf_global_vars.max_buff_size < g_sf_global_vars.min_buff_size) {
+        if (net_buffer_cfg->max_buff_size < net_buffer_cfg->max_pkg_size) {
+            net_buffer_cfg->max_buff_size = net_buffer_cfg->max_pkg_size;
+        } else if (net_buffer_cfg->max_pkg_size <
+                net_buffer_cfg->max_buff_size)
+        {
+            net_buffer_cfg->max_pkg_size = net_buffer_cfg->max_buff_size;
+        }
+        if (net_buffer_cfg->max_buff_size < net_buffer_cfg->min_buff_size) {
            logWarning("file: "__FILE__", line: %d, "
                    "max_buff_size: %d < min_buff_size: %d, "
                    "set max_buff_size to min_buff_size", __LINE__,
-                    g_sf_global_vars.max_buff_size,
-                    g_sf_global_vars.min_buff_size);
-            g_sf_global_vars.max_buff_size = g_sf_global_vars.min_buff_size;
-        }
-    }
-
-    if (task_buffer_extra_size > 0) {
-        g_sf_global_vars.min_buff_size += task_buffer_extra_size;
-        g_sf_global_vars.max_buff_size += task_buffer_extra_size;
-        if (g_sf_global_vars.max_pkg_size < g_sf_global_vars.max_buff_size) {
-            g_sf_global_vars.max_pkg_size = g_sf_global_vars.max_buff_size;
+                    net_buffer_cfg->max_buff_size,
+                    net_buffer_cfg->min_buff_size);
+            net_buffer_cfg->max_buff_size = net_buffer_cfg->min_buff_size;
        }
    }

@ -217,9 +221,7 @@ int sf_load_slow_log_config_ex(IniFullContext *ini_ctx, LogContext *log_ctx,
    if (filename_prefix == NULL || *filename_prefix == '\0') {
        strcpy(slow_log_cfg->filename_prefix, "slow");
    } else {
-        snprintf(slow_log_cfg->filename_prefix,
-                sizeof(slow_log_cfg->filename_prefix),
-                "%s", filename_prefix);
+        fc_safe_strcpy(slow_log_cfg->filename_prefix, filename_prefix);
    }

    return 0;
@ -247,6 +249,7 @@ int sf_get_base_path_from_conf_file(const char *config_filename)
        }
    }

+    SF_G_BASE_PATH_LEN = strlen(SF_G_BASE_PATH_STR);
    SF_G_BASE_PATH_INITED = true;
    return 0;
 }
@ -268,6 +271,7 @@ int sf_load_global_base_path(IniFullContext *ini_ctx)
    }

    chopPath(SF_G_BASE_PATH_STR);
+    SF_G_BASE_PATH_LEN = strlen(SF_G_BASE_PATH_STR);
    if (!fileExists(SF_G_BASE_PATH_STR)) {
        if ((result=fc_check_mkdir_ex(SF_G_BASE_PATH_STR, 0775,
                        &SF_G_BASE_PATH_CREATED)) != 0)
@ -290,6 +294,7 @@ int sf_load_global_config_ex(const char *log_filename_prefix,
        const char *max_pkg_size_item_nm, const int fixed_buff_size,
        const int task_buffer_extra_size, const bool need_set_run_by)
 {
+    const int max_pkg_size_min_value = 0;
    int result;
    const char *old_section_name;
    char *pRunByGroup;
@ -305,7 +310,15 @@ int sf_load_global_config_ex(const char *log_filename_prefix,
    tcp_set_quick_ack(g_sf_global_vars.tcp_quick_ack);
    if (load_network_params) {
        if ((result=load_network_parameters(ini_ctx, max_pkg_size_item_nm,
-                        fixed_buff_size, task_buffer_extra_size)) != 0)
+                        max_pkg_size_min_value, fixed_buff_size,
+                        task_buffer_extra_size, &g_sf_global_vars.
+                        net_buffer_cfg)) != 0)
+        {
+            return result;
+        }
+
+        if ((result=set_rlimit(RLIMIT_NOFILE, g_sf_global_vars.
+                        net_buffer_cfg.max_connections)) != 0)
        {
            return result;
        }
@ -317,9 +330,7 @@ int sf_load_global_config_ex(const char *log_filename_prefix,
        *g_sf_global_vars.run_by.group = '\0';
    }
    else {
-        snprintf(g_sf_global_vars.run_by.group,
-                sizeof(g_sf_global_vars.run_by.group),
-                "%s", pRunByGroup);
+        fc_safe_strcpy(g_sf_global_vars.run_by.group, pRunByGroup);
    }
    if (*(g_sf_global_vars.run_by.group) == '\0') {
        g_sf_global_vars.run_by.gid = getegid();
@ -344,9 +355,7 @@ int sf_load_global_config_ex(const char *log_filename_prefix,
        *g_sf_global_vars.run_by.user = '\0';
    }
    else {
-        snprintf(g_sf_global_vars.run_by.user,
-                sizeof(g_sf_global_vars.run_by.user),
-                "%s", pRunByUser);
+        fc_safe_strcpy(g_sf_global_vars.run_by.user, pRunByUser);
    }
    if (*(g_sf_global_vars.run_by.user) == '\0') {
        g_sf_global_vars.run_by.uid = geteuid();
@ -416,7 +425,8 @@ int sf_load_config_ex(const char *log_filename_prefix,
    {
        return result;
    }
-    return sf_load_context_from_config_ex(&g_sf_context, config);
+    return sf_load_context_from_config_ex(&g_sf_context, config,
+            fixed_buff_size, task_buffer_extra_size);
 }

 #define API_PREFIX_NAME  "fast_rdma_"
@ -434,7 +444,7 @@ int sf_load_config_ex(const char *log_filename_prefix,

 #define LOAD_API(handler, fname)  LOAD_API_EX(handler, server_, fname)

-static int load_rdma_apis(SFNetworkHandler *handler)
+static int load_rdma_apis(SFContext *sf_context, SFNetworkHandler *handler)
 {
    const char *library = "libfastrdma.so";
    void *dlhandle;
@ -449,7 +459,11 @@ static int load_rdma_apis(SFNetworkHandler *handler)

    LOAD_API(handler, get_connection_size);
    LOAD_API(handler, init_connection);
-    LOAD_API(handler, alloc_pd);
+    if (sf_context->is_client) {
+        LOAD_API_EX(handler, client_, alloc_pd);
+    } else {
+        LOAD_API(handler, alloc_pd);
+    }
    LOAD_API_EX(handler, , create_server);
    LOAD_API_EX(handler, , close_server);
    LOAD_API(handler, accept_connection);
@ -463,8 +477,8 @@ static int load_rdma_apis(SFNetworkHandler *handler)
    return 0;
 }

-static int init_network_handler(SFNetworkHandler *handler,
-        SFAddressFamilyHandler *fh)
+static int init_network_handler(SFContext *sf_context,
+        SFNetworkHandler *handler, SFAddressFamilyHandler *fh)
 {
    handler->fh = fh;
    handler->inner.handler = handler;
@ -489,7 +503,7 @@ static int init_network_handler(SFNetworkHandler *handler,
    } else {
        handler->inner.id = NULL;
        handler->outer.id = NULL;
-        return load_rdma_apis(handler);
+        return load_rdma_apis(sf_context, handler);
    }
 }

@ -508,7 +522,7 @@ static void set_bind_address(const char *bind_addr, char *ipv4_bind_addr,
        return;
    }

-    snprintf(new_bind_addr, sizeof(new_bind_addr), "%s", bind_addr);
+    fc_safe_strcpy(new_bind_addr, bind_addr);
    count = splitEx(new_bind_addr, ',', cols, 2);
    for (i=0; i<count; i++) {
        ip_addr = cols[i];
@ -518,9 +532,13 @@ static void set_bind_address(const char *bind_addr, char *ipv4_bind_addr,
                ++ip_addr;
                len -= 2;
            }
-            snprintf(ipv6_bind_addr, addr_size, "%.*s", len, ip_addr);
+            if (len >= addr_size) {
+                len = addr_size - 1;
+            }
+            memcpy(ipv6_bind_addr, ip_addr, len);
+            *(ipv6_bind_addr + len) = '\0';
        } else {
-            snprintf(ipv4_bind_addr, addr_size, "%s", ip_addr);
+            fc_strlcpy(ipv4_bind_addr, ip_addr, addr_size);
        }
    }
 }
@ -639,7 +657,8 @@ static int load_address_family(SFContext *sf_context,
 }

 int sf_load_context_from_config_ex(SFContext *sf_context,
-        SFContextIniConfig *config)
+        SFContextIniConfig *config, const int fixed_buff_size,
+        const int task_buffer_extra_size)
 {
    SFAddressFamilyHandler *fh;
    SFNetworkHandler *sock_handler;
@ -651,6 +670,10 @@ int sf_load_context_from_config_ex(SFContext *sf_context,
    int inner_port;
    int outer_port;
    int port;
+#if IOEVENT_USE_URING
+    bool global_use_send_zc;
+    bool use_send_zc;
+#endif
    int i;
    int result;

@ -687,6 +710,17 @@ int sf_load_context_from_config_ex(SFContext *sf_context,
        outer_port = config->default_outer_port;
    }

+#if IOEVENT_USE_URING
+    global_use_send_zc = iniGetBoolValue(NULL, "use_send_zc",
+            config->ini_ctx.context, true);
+    if (config->ini_ctx.section_name == NULL) {
+        use_send_zc = global_use_send_zc;
+    } else {
+        use_send_zc = iniGetBoolValue(config->ini_ctx.section_name,
+                "use_send_zc", config->ini_ctx.context, global_use_send_zc);
+    }
+#endif
+
    for (i=0; i<SF_ADDRESS_FAMILY_COUNT; i++) {
        fh = sf_context->handlers + i;
        fh->ctx = sf_context;
@ -710,7 +744,7 @@ int sf_load_context_from_config_ex(SFContext *sf_context,
            if (!handler->enabled) {
                continue;
            }
-            if ((result=init_network_handler(handler, fh)) != 0) {
+            if ((result=init_network_handler(sf_context, handler, fh)) != 0) {
                return result;
            }
        }
@ -729,9 +763,15 @@ int sf_load_context_from_config_ex(SFContext *sf_context,
        rdma_handler->inner.enabled = sock_handler->inner.enabled;
        rdma_handler->outer.port = sock_handler->outer.port;
        rdma_handler->outer.enabled = sock_handler->outer.enabled;
-
    }

+#if IOEVENT_USE_URING
+    sf_context->use_io_uring = (config->comm_type == fc_comm_type_sock);
+    sf_context->use_send_zc = sf_context->use_io_uring ? use_send_zc : false;
+#else
+    sf_context->use_io_uring = false;
+#endif
+
    sf_context->accept_threads = iniGetIntValue(
            config->ini_ctx.section_name,
            "accept_threads", config->ini_ctx.context, 1);
@ -764,6 +804,14 @@ int sf_load_context_from_config_ex(SFContext *sf_context,
        return result;
    }

+    if ((result=load_network_parameters(&config->ini_ctx, config->
+                    max_pkg_size_item_name, config->max_pkg_size_min_value,
+                    fixed_buff_size, task_buffer_extra_size,
+                    &sf_context->net_buffer_cfg)) != 0)
+    {
+        return result;
+    }
+
    return 0;
 }

@ -839,8 +887,7 @@ static void combine_bind_addr(char *bind_addr, const char *ip_addr)
        p = bind_addr + strlen(bind_addr);
        *p++ = ',';
    }
-
-    sprintf(p, "%s", ip_addr);
+    strcpy(p, ip_addr);
 }

 static const char *get_address_family_caption(
@ -909,6 +956,12 @@ void sf_context_config_to_string(const SFContext *sf_context,
            ", address_family=%s, accept_threads=%d, work_threads=%d",
            get_address_family_caption(sf_context->address_family),
            sf_context->accept_threads, sf_context->work_threads);
+
+#if IOEVENT_USE_URING
+    len += snprintf(output + len, size - len, ", use_io_uring=%d, "
+            "use_send_zc=%d", sf_context->use_io_uring,
+            sf_context->use_send_zc);
+#endif
 }

 void sf_log_config_to_string_ex(SFLogConfig *log_cfg, const char *caption,
@ -960,11 +1013,11 @@ void sf_global_config_to_string_ex(const char *max_pkg_size_item_nm,
    int max_buff_size;
    char pkg_buff[256];

-    max_pkg_size = g_sf_global_vars.max_pkg_size -
+    max_pkg_size = g_sf_global_vars.net_buffer_cfg.max_pkg_size -
        g_sf_global_vars.task_buffer_extra_size;
-    min_buff_size = g_sf_global_vars.min_buff_size -
+    min_buff_size = g_sf_global_vars.net_buffer_cfg.min_buff_size -
        g_sf_global_vars.task_buffer_extra_size;
-    max_buff_size = g_sf_global_vars.max_buff_size -
+    max_buff_size = g_sf_global_vars.net_buffer_cfg.max_buff_size -
        g_sf_global_vars.task_buffer_extra_size;

    if (min_buff_size == max_buff_size && max_pkg_size == max_buff_size) {
@ -979,18 +1032,27 @@ void sf_global_config_to_string_ex(const char *max_pkg_size_item_nm,

    len = snprintf(output, size,
            "base_path=%s, max_connections=%d, connect_timeout=%d, "
-            "network_timeout=%d, thread_stack_size=%d KB, "
-            "%s, tcp_quick_ack=%d, log_level=%s, "
-            "run_by_group=%s, run_by_user=%s, ", SF_G_BASE_PATH_STR,
-            g_sf_global_vars.max_connections,
-            g_sf_global_vars.connect_timeout,
-            g_sf_global_vars.network_timeout,
-            g_sf_global_vars.thread_stack_size / 1024,
-            pkg_buff, g_sf_global_vars.tcp_quick_ack,
+            "network_timeout=%d, thread_stack_size=%d KB, %s, ",
+            SF_G_BASE_PATH_STR,
+            g_sf_global_vars.net_buffer_cfg.max_connections,
+            g_sf_global_vars.net_buffer_cfg.connect_timeout,
+            g_sf_global_vars.net_buffer_cfg.network_timeout,
+            g_sf_global_vars.thread_stack_size / 1024, pkg_buff);
+
+#if IOEVENT_USE_URING
+    len += snprintf(output + len, size - len, "use_io_uring=%d, "
+            "use_send_zc=%d, ", g_sf_context.use_io_uring,
+            g_sf_context.use_send_zc);
+#endif
+
+    len += snprintf(output + len, size - len,
+            "tcp_quick_ack=%d, "
+            "log_level=%s, "
+            "run_by_group=%s, run_by_user=%s, ",
+            g_sf_global_vars.tcp_quick_ack,
            log_get_level_caption(),
            g_sf_global_vars.run_by.group,
-            g_sf_global_vars.run_by.user
-            );
+            g_sf_global_vars.run_by.user);

    sf_log_config_to_string(&g_sf_global_vars.error_log,
            "error-log", output + len, size - len);
@ -1002,11 +1064,16 @@ void sf_log_config_ex(const char *other_config)
    char sz_context_config[128];

    sf_global_config_to_string(sz_global_config, sizeof(sz_global_config));
-    sf_context_config_to_string(&g_sf_context,
-            sz_context_config, sizeof(sz_context_config));

-    logInfo("%s, %s%s%s",
-            sz_global_config, sz_context_config,
+    if (!g_sf_context.is_client) {
+        sf_context_config_to_string(&g_sf_context, sz_context_config,
+                sizeof(sz_context_config));
+    } else {
+        *sz_context_config = '\0';
+    }
+
+    logInfo("%s%s%s%s%s", sz_global_config, (*sz_context_config != '\0') ?
+            ", " : "", sz_context_config,
            (other_config != NULL && *other_config != '\0')  ? ", " : "",
            (other_config != NULL) ? other_config : ""
           );
@ -1016,6 +1083,8 @@ int sf_load_data_path_config_ex(IniFullContext *ini_ctx,
        const char *item_name, const char *default_value, string_t *path)
 {
    const char *data_path;
+    int data_path_len;
+    int path_size;

    data_path = iniGetStrValue(ini_ctx->section_name,
            item_name, ini_ctx->context);
@ -1031,20 +1100,23 @@ int sf_load_data_path_config_ex(IniFullContext *ini_ctx,
        return EINVAL;
    }

+    data_path_len = strlen(data_path);
    if (*data_path == '/') {
-        path->len = strlen(data_path);
+        path->len = data_path_len;
        path->str = fc_strdup1(data_path, path->len);
        if (path->str == NULL) {
            return ENOMEM;
        }
    } else {
-        path->len = strlen(SF_G_BASE_PATH_STR) + strlen(data_path) + 1;
-        path->str = (char *)fc_malloc(path->len + 1);
+        path_size = SF_G_BASE_PATH_LEN + data_path_len + 2;
+        path->str = (char *)fc_malloc(path_size);
        if (path->str == NULL) {
            return ENOMEM;
        }
-        path->len = sprintf(path->str, "%s/%s",
-                SF_G_BASE_PATH_STR, data_path);
+
+        path->len = fc_get_full_filepath_ex(SF_G_BASE_PATH_STR,
+                SF_G_BASE_PATH_LEN, data_path, data_path_len,
+                path->str, path_size);
    }
    chopPath(path->str);
    path->len = strlen(path->str);
--- a/src/sf_global.h
+++ b/src/sf_global.h
@ -30,10 +30,9 @@ typedef struct sf_connection_stat {
 } SFConnectionStat;

 typedef struct sf_global_variables {
-    int connect_timeout;
-    int network_timeout;
    struct {
        char str[MAX_PATH_SIZE];
+        int len;
        bool inited;
        bool created;
    } base_path;
@ -41,10 +40,9 @@ typedef struct sf_global_variables {
    volatile bool continue_flag;
    bool tcp_quick_ack;
    bool epoll_edge_trigger;
-    int max_connections;
-    int max_pkg_size;
-    int min_buff_size;
-    int max_buff_size;
+
+    SFNetBufferConfig net_buffer_cfg;
+
    int task_buffer_extra_size;
    int thread_stack_size;

@ -69,6 +67,7 @@ typedef struct sf_context_ini_config {
    int default_inner_port;
    int default_outer_port;
    int default_work_threads;
+    int max_pkg_size_min_value;
    FCCommunicationType comm_type;
    const char *max_pkg_size_item_name;
 } SFContextIniConfig;
@ -81,12 +80,13 @@ extern SFGlobalVariables         g_sf_global_vars;
 extern SFContext                 g_sf_context;

 #define SF_G_BASE_PATH_STR       g_sf_global_vars.base_path.str
+#define SF_G_BASE_PATH_LEN       g_sf_global_vars.base_path.len
 #define SF_G_BASE_PATH_INITED    g_sf_global_vars.base_path.inited
 #define SF_G_BASE_PATH_CREATED   g_sf_global_vars.base_path.created
 #define SF_G_CONTINUE_FLAG       g_sf_global_vars.continue_flag
-#define SF_G_CONNECT_TIMEOUT     g_sf_global_vars.connect_timeout
-#define SF_G_NETWORK_TIMEOUT     g_sf_global_vars.network_timeout
-#define SF_G_MAX_CONNECTIONS     g_sf_global_vars.max_connections
+#define SF_G_CONNECT_TIMEOUT     g_sf_global_vars.net_buffer_cfg.connect_timeout
+#define SF_G_NETWORK_TIMEOUT     g_sf_global_vars.net_buffer_cfg.network_timeout
+#define SF_G_MAX_CONNECTIONS     g_sf_global_vars.net_buffer_cfg.max_connections
 #define SF_G_THREAD_STACK_SIZE   g_sf_global_vars.thread_stack_size
 #define SF_G_UP_TIME             g_sf_global_vars.up_time

@ -175,9 +175,9 @@ extern SFContext                 g_sf_context;
 #define SF_FCHOWN_TO_RUNBY_RETURN_ON_ERROR(fd, path) \
    SF_FCHOWN_RETURN_ON_ERROR(fd, path, geteuid(), getegid())

-#define SF_SET_CONTEXT_INI_CONFIG_EX(config, the_comm_type, filename,   \
-        pIniContext, section_name, def_inner_port, def_outer_port, \
-        def_work_threads, max_pkg_size_item_nm) \
+#define SF_SET_CONTEXT_INI_CONFIG_EX(config, the_comm_type, filename, \
+        pIniContext, section_name, def_inner_port, def_outer_port,    \
+        def_work_threads, max_pkg_size_item_nm, max_pkg_size_min_val) \
    do { \
        FAST_INI_SET_FULL_CTX_EX(config.ini_ctx, filename, \
                section_name, pIniContext);   \
@ -186,6 +186,7 @@ extern SFContext                 g_sf_context;
        config.default_outer_port = def_outer_port; \
        config.default_work_threads = def_work_threads; \
        config.max_pkg_size_item_name = max_pkg_size_item_nm; \
+        config.max_pkg_size_min_value = max_pkg_size_min_val; \
    } while (0)

 #define SF_SET_CONTEXT_INI_CONFIG(config, the_comm_type,     \
@ -193,7 +194,7 @@ extern SFContext                 g_sf_context;
        def_outer_port, def_work_threads) \
     SF_SET_CONTEXT_INI_CONFIG_EX(config, the_comm_type, filename, \
             pIniContext, section_name, def_inner_port, def_outer_port, \
-             def_work_threads, "max_pkg_size")
+             def_work_threads, "max_pkg_size", 0)

 int sf_load_global_config_ex(const char *log_filename_prefix,
        IniFullContext *ini_ctx, const bool load_network_params,
@ -236,20 +237,23 @@ static inline int sf_load_config(const char *log_filename_prefix,
 }

 int sf_load_context_from_config_ex(SFContext *sf_context,
-        SFContextIniConfig *config);
+        SFContextIniConfig *config, const int fixed_buff_size,
+        const int task_buffer_extra_size);

 static inline int sf_load_context_from_config(SFContext *sf_context,
        const FCCommunicationType comm_type,
        const char *filename, IniContext *pIniContext,
        const char *section_name, const int default_inner_port,
-        const int default_outer_port)
+        const int default_outer_port, const int fixed_buff_size,
+        const int task_buffer_extra_size)
 {
    SFContextIniConfig config;

    SF_SET_CONTEXT_INI_CONFIG(config, comm_type, filename, pIniContext,
            section_name, default_inner_port, default_outer_port,
            DEFAULT_WORK_THREADS);
-    return sf_load_context_from_config_ex(sf_context, &config);
+    return sf_load_context_from_config_ex(sf_context, &config,
+            fixed_buff_size, task_buffer_extra_size);
 }

 int sf_alloc_rdma_pd(SFContext *sf_context,
@ -315,8 +319,8 @@ static inline void sf_set_global_base_path(const char *base_path)
    string_t path_string;

    FC_SET_STRING(path_string, (char *)base_path);
-    normalize_path(NULL, &path_string, SF_G_BASE_PATH_STR,
-            sizeof(SF_G_BASE_PATH_STR));
+    SF_G_BASE_PATH_LEN = normalize_path(NULL, &path_string,
+            SF_G_BASE_PATH_STR, sizeof(SF_G_BASE_PATH_STR));
    SF_G_BASE_PATH_INITED = true;
 }

--- a/src/sf_nio.c
+++ b/src/sf_nio.c
--- a/src/sf_nio.h
+++ b/src/sf_nio.h
@ -27,7 +27,8 @@
 #include "sf_types.h"
 #include "sf_global.h"

-#define SF_CTX  (task->handler->fh->ctx)
+#define SF_CTX              (task->handler->fh->ctx)
+#define SF_NET_BUFFER_CFG   SF_CTX->net_buffer_cfg

 #ifdef __cplusplus
 extern "C" {
@ -67,15 +68,6 @@ static inline void sf_set_connect_done_callback_ex(SFContext *sf_context,
    sf_set_connect_done_callback_ex(&g_sf_context, done_callback)


-static inline void sf_set_remove_from_ready_list_ex(
-        SFContext *sf_context, const bool enabled)
-{
-    sf_context->remove_from_ready_list = enabled;
-}
-
-#define sf_set_remove_from_ready_list(enabled) \
-    sf_set_remove_from_ready_list_ex(&g_sf_context, enabled);
-
 static inline TaskCleanUpCallback sf_get_task_cleanup_callback_ex(
        SFContext *sf_context)
 {
@ -98,10 +90,9 @@ static inline void sf_nio_reset_task_length(struct fast_task_info *task)
    }
 }

-void sf_recv_notify_read(int sock, short event, void *arg);
+void sf_socket_close_connection(struct fast_task_info *task);
+void sf_recv_notify_read(int sock, const int event, void *arg);
 int sf_send_add_event(struct fast_task_info *task);
-int sf_client_sock_write(int sock, short event, void *arg);
-int sf_client_sock_read(int sock, short event, void *arg);

 void sf_task_finish_clean_up(struct fast_task_info *task);

@ -128,12 +119,12 @@ static inline int sf_set_body_length(struct fast_task_info *task)
    }

    task->recv.ptr->length += SF_CTX->header_size;
-    if (task->recv.ptr->length > g_sf_global_vars.max_pkg_size) {
+    if (task->recv.ptr->length > SF_NET_BUFFER_CFG.max_pkg_size) {
        logError("file: "__FILE__", line: %d, "
                "client ip: %s, pkg length: %d > "
                "max pkg size: %d", __LINE__,
                task->client_ip, task->recv.ptr->length,
-                g_sf_global_vars.max_pkg_size);
+                SF_NET_BUFFER_CFG.max_pkg_size);
        return -1;
    }

@ -157,11 +148,6 @@ static inline int sf_nio_forward_request(struct fast_task_info *task,
    return sf_nio_notify(task, SF_NIO_STAGE_FORWARDED);
 }

-static inline bool sf_client_sock_in_read_stage(struct fast_task_info *task)
-{
-    return (task->event.callback == (IOEventCallback)sf_client_sock_read);
-}
-
 static inline void sf_nio_add_to_deleted_list(struct nio_thread_data
        *thread_data, struct fast_task_info *task)
 {
@ -172,6 +158,8 @@ static inline void sf_nio_add_to_deleted_list(struct nio_thread_data
    }
 }

+bool sf_client_sock_in_read_stage(struct fast_task_info *task);
+
 #ifdef __cplusplus
 }
 #endif
--- a/src/sf_ordered_writer.c
+++ b/src/sf_ordered_writer.c
@ -106,7 +106,7 @@ void sf_ordered_writer_finish(SFOrderedWriterContext *ctx)
 {
    int count;

-    if (ctx->writer.fw.file.name != NULL) {
+    if (ctx->writer.fw.file.name.str != NULL) {
        fc_queue_terminate(&ctx->thread.queues.version);

        count = 0;
@ -120,8 +120,8 @@ void sf_ordered_writer_finish(SFOrderedWriterContext *ctx)
                    __LINE__, ctx->writer.fw.cfg.subdir_name);
        }

-        free(ctx->writer.fw.file.name);
-        ctx->writer.fw.file.name = NULL;
+        free(ctx->writer.fw.file.name.str);
+        ctx->writer.fw.file.name.str = NULL;
    }

    if (ctx->writer.fw.file.fd >= 0) {
@ -142,8 +142,7 @@ static void *binlog_writer_func(void *arg)
 #ifdef OS_LINUX
    {
        char thread_name[64];
-        snprintf(thread_name, sizeof(thread_name),
-                "%s-writer", thread->name);
+        fc_combine_two_strings(thread->name, "writer", '-', thread_name);
        prctl(PR_SET_NAME, thread_name);
    }
 #endif
@ -203,7 +202,7 @@ static int sf_ordered_writer_init_thread(SFOrderedWriterContext *context,

    thread = &context->thread;
    writer = &context->writer;
-    snprintf(thread->name, sizeof(thread->name), "%s", name);
+    fc_safe_strcpy(thread->name, name);
    writer->fw.cfg.max_record_size = max_record_size;
    writer->thread = thread;

@ -250,8 +249,8 @@ int sf_ordered_writer_init_ex(SFOrderedWriterContext *context,
 {
    int result;
    if ((result=sf_file_writer_init(&context->writer.fw, data_path,
-                    subdir_name, file_prefix, buffer_size,
-                    file_rotate_size, call_fsync)) != 0)
+                    subdir_name, file_prefix, max_record_size,
+                    buffer_size, file_rotate_size, call_fsync)) != 0)
    {
        return result;
    }
--- a/src/sf_ordered_writer.h
+++ b/src/sf_ordered_writer.h
@ -71,7 +71,7 @@ int sf_ordered_writer_init_ex(SFOrderedWriterContext *context,
 #define sf_ordered_writer_init(context, data_path, \
        subdir_name, buffer_size, max_record_size) \
    sf_ordered_writer_init_ex(context, data_path, subdir_name,   \
-            SF_BINLOG_FILE_PREFIX, buffer_size, max_record_size, \
+            SF_BINLOG_FILE_PREFIX_STR, buffer_size, max_record_size, \
            SF_BINLOG_DEFAULT_ROTATE_SIZE, true)

 #define sf_ordered_writer_set_flags(ctx, flags) \
--- a/src/sf_proto.c
+++ b/src/sf_proto.c
@ -14,8 +14,6 @@
 */


-#include <errno.h>
-#include "fastcommon/shared_func.h"
 #include "sf_util.h"
 #include "sf_nio.h"
 #include "sf_proto.h"
@ -29,14 +27,16 @@ static int64_t log_slower_than_us = 0;
 int sf_proto_set_body_length(struct fast_task_info *task)
 {
    SFCommonProtoHeader *header;
+    char formatted_ip[FORMATTED_IP_SIZE];

    header = (SFCommonProtoHeader *)task->recv.ptr->data;
    if (!SF_PROTO_CHECK_MAGIC(header->magic)) {
+        format_ip_address(task->client_ip, formatted_ip);
        logError("file: "__FILE__", line: %d, "
                "%s peer %s:%u, magic "SF_PROTO_MAGIC_FORMAT" is invalid, "
                "expect: "SF_PROTO_MAGIC_FORMAT", cmd: %d, body length: %d",
                __LINE__, (task->handler != NULL ? task->handler->fh->ctx->
-                    name : ""), task->client_ip, task->port,
+                    name : ""), formatted_ip, task->port,
                SF_PROTO_MAGIC_PARAMS(header->magic),
                SF_PROTO_MAGIC_EXPECT_PARAMS, header->cmd,
                buff2int(header->body_len));
@ -456,14 +456,17 @@ const char *sf_get_cmd_caption(const int cmd)
 int sf_proto_deal_ack(struct fast_task_info *task,
        SFRequestInfo *request, SFResponseInfo *response)
 {
+    char formatted_ip[FORMATTED_IP_SIZE];
+
    if (request->header.status != 0) {
        if (request->header.body_len > 0) {
            int remain_size;
            int len;

+            format_ip_address(task->client_ip, formatted_ip);
            response->error.length = sprintf(response->error.message,
                    "message from peer %s:%u => ",
-                    task->client_ip, task->port);
+                    formatted_ip, task->port);
            remain_size = sizeof(response->error.message) -
                response->error.length;
            if (request->header.body_len >= remain_size) {
@ -525,6 +528,7 @@ int sf_proto_get_group_servers(ConnectionInfo *conn,
    char out_buff[sizeof(SFCommonProtoHeader) +
        sizeof(SFProtoGetGroupServersReq)];
    char in_buff[1024];
+    char formatted_ip[FORMATTED_IP_SIZE];
    SFCommonProtoHeader *header;
    SFProtoGetGroupServersReq *req;
    SFProtoGetGroupServersRespBodyHeader *body_header;
@ -552,9 +556,10 @@ int sf_proto_get_group_servers(ConnectionInfo *conn,
    }

    if (body_len < sizeof(SFProtoGetGroupServersRespBodyHeader)) {
+        format_ip_address(conn->ip_addr, formatted_ip);
        logError("file: "__FILE__", line: %d, "
-                "server %s:%d response body length: %d < %d",
-                __LINE__, conn->ip_addr, conn->port, body_len,
+                "server %s:%u response body length: %d < %d",
+                __LINE__, formatted_ip, conn->port, body_len,
                (int)sizeof(SFProtoGetGroupServersRespBodyHeader));
        return EINVAL;
    }
@ -562,15 +567,17 @@ int sf_proto_get_group_servers(ConnectionInfo *conn,
    body_header = (SFProtoGetGroupServersRespBodyHeader *)in_buff;
    count = buff2int(body_header->count);
    if (count <= 0) {
+        format_ip_address(conn->ip_addr, formatted_ip);
        logError("file: "__FILE__", line: %d, "
-                "server %s:%d response server count: %d <= 0",
-                __LINE__, conn->ip_addr, conn->port, count);
+                "server %s:%u response server count: %d <= 0",
+                __LINE__, formatted_ip, conn->port, count);
        return EINVAL;
    }
    if (count > sarray->alloc) {
+        format_ip_address(conn->ip_addr, formatted_ip);
        logError("file: "__FILE__", line: %d, "
-                "server %s:%d response server count: %d is too large, "
-                "exceeds %d", __LINE__, conn->ip_addr, conn->port,
+                "server %s:%u response server count: %d is too large, "
+                "exceeds %d", __LINE__, formatted_ip, conn->port,
                count, sarray->alloc);
        return EOVERFLOW;
    }
@ -630,6 +637,7 @@ int sf_proto_deal_task_done(struct fast_task_info *task,
    int r;
    int64_t time_used;
    int log_level;
+    char formatted_ip[FORMATTED_IP_SIZE];
    char time_buff[32];

    if (ctx->log_level != LOG_NOTHING && ctx->response.error.length > 0) {
@ -637,7 +645,8 @@ int sf_proto_deal_task_done(struct fast_task_info *task,
                "file: "__FILE__", line: %d, %s "
                "peer %s:%u, cmd: %d (%s), req body length: %d, "
                "resp status: %d, %s", __LINE__, service_name,
-                task->client_ip, task->port, ctx->request.header.cmd,
+                format_ip_address(task->client_ip, formatted_ip),
+                task->port, ctx->request.header.cmd,
                GET_CMD_CAPTION(ctx->request.header.cmd),
                ctx->request.header.body_len, ctx->response.header.status,
                ctx->response.error.message);
@ -650,7 +659,8 @@ int sf_proto_deal_task_done(struct fast_task_info *task,
            log_it_ex(&g_log_context, log_level, "file: "__FILE__", line: %d, "
                    "%s client %s:%u, req cmd: %d (%s), req body_len: %d, "
                    "resp status: %d, time used: %s us", __LINE__, service_name,
-                    task->client_ip, task->port, ctx->request.header.cmd,
+                    format_ip_address(task->client_ip, formatted_ip),
+                    task->port, ctx->request.header.cmd,
                    GET_CMD_CAPTION(ctx->request.header.cmd),
                    ctx->request.header.body_len, ctx->response.header.status,
                    long_to_comma_str(time_used, time_buff));
@ -674,6 +684,7 @@ int sf_proto_deal_task_done(struct fast_task_info *task,

    status = sf_unify_errno(FC_ABS(ctx->response.header.status));
    short2buff(status, proto_header->status);
+    short2buff(ctx->response.header.flags, proto_header->flags);
    proto_header->cmd = ctx->response.header.cmd;
    int2buff(ctx->response.header.body_len, proto_header->body_len);
    task->send.ptr->length = sizeof(SFCommonProtoHeader) +
@ -690,8 +701,9 @@ int sf_proto_deal_task_done(struct fast_task_info *task,
        blen = sprintf(buff, "timed used: %s us, %s client %s:%u, "
                "req cmd: %d (%s), req body len: %d, resp cmd: %d (%s), "
                "status: %d, resp body len: %d", long_to_comma_str(time_used,
-                    time_buff), service_name, task->client_ip, task->port, ctx->
-                request.header.cmd, GET_CMD_CAPTION(ctx->request.header.cmd),
+                    time_buff), service_name, format_ip_address(task->
+                        client_ip, formatted_ip), task->port, ctx->request.
+                header.cmd, GET_CMD_CAPTION(ctx->request.header.cmd),
                ctx->request.header.body_len, ctx->response.header.cmd,
                GET_CMD_CAPTION(ctx->response.header.cmd),
                ctx->response.header.status, ctx->response.header.body_len);
@ -704,7 +716,8 @@ int sf_proto_deal_task_done(struct fast_task_info *task,
                "%s client %s:%u, req cmd: %d (%s), req body_len: %d, "
                "resp cmd: %d (%s), status: %d, resp body_len: %d, "
                "time used: %s us", __LINE__, service_name,
-                task->client_ip, task->port, ctx->request.header.cmd,
+                format_ip_address(task->client_ip, formatted_ip),
+                task->port, ctx->request.header.cmd,
                GET_CMD_CAPTION(ctx->request.header.cmd),
                ctx->request.header.body_len, ctx->response.header.cmd,
                GET_CMD_CAPTION(ctx->response.header.cmd),
--- a/src/sf_proto.h
+++ b/src/sf_proto.h
@ -307,6 +307,7 @@ static inline void sf_proto_init_task_context(struct fast_task_info *task,
    ctx->response.header.cmd = SF_PROTO_ACK;
    ctx->response.header.body_len = 0;
    ctx->response.header.status = 0;
+    ctx->response.header.flags = 0;
    ctx->response.error.length = 0;
    ctx->response.error.message[0] = '\0';
    ctx->log_level = LOG_ERR;
@ -457,15 +458,16 @@ static inline void sf_log_network_error_ex1(SFResponseInfo *response,
    sf_log_network_error_ex1(response, conn, service_name, result, \
            LOG_ERR, __FILE__, __LINE__)

-#define sf_log_network_error_for_update_ex(response, \
-        conn, service_name, result, file, line) \
+#define sf_log_network_error_for_update_ex(response, conn,  \
+        service_name, result, enoent_log_level, file, line) \
        sf_log_network_error_ex1(response, conn, service_name, result, \
-                (result == SF_RETRIABLE_ERROR_CHANNEL_INVALID) ? \
-                LOG_DEBUG : LOG_ERR, file, line)
+                (result == SF_RETRIABLE_ERROR_CHANNEL_INVALID) ?       \
+                LOG_DEBUG : ((result == ENOENT || result == ENODATA) ? \
+                    enoent_log_level : LOG_ERR), file, line)

 #define sf_log_network_error_for_update(response, conn, service_name, result) \
-    sf_log_network_error_for_update_ex(response, conn, \
-            service_name, result, __FILE__, __LINE__)
+    sf_log_network_error_for_update_ex(response, conn, service_name, \
+            result, LOG_ERR, __FILE__, __LINE__)

 #define sf_log_network_error_for_delete_ex(response, conn,   \
        service_name, result, enoent_log_level, file, line)  \
@ -560,6 +562,16 @@ int sf_recv_response(ConnectionInfo *conn, SFResponseInfo *response,
        const int network_timeout, const unsigned char expect_cmd,
        char *recv_data, const int expect_body_len);

+static inline int sf_recv_none_body_response(ConnectionInfo *conn,
+        SFResponseInfo *response, const int network_timeout,
+        const unsigned char expect_cmd)
+{
+    char *recv_data = NULL;
+    const int expect_body_len = 0;
+    return sf_recv_response(conn, response, network_timeout,
+            expect_cmd, recv_data, expect_body_len);
+}
+
 int sf_recv_vary_response(ConnectionInfo *conn, SFResponseInfo *response,
        const int network_timeout, const unsigned char expect_cmd,
        SFProtoRecvBuffer *buffer, const int min_body_len);
@ -615,6 +627,35 @@ static inline int sf_proto_send_buf1(ConnectionInfo *conn, char *data,
    return result;
 }

+static inline int sf_proto_send_buf2(ConnectionInfo *conn, char *buff1,
+        const int length1, char *buff2, const int length2,
+        SFResponseInfo *response, const int network_timeout)
+{
+    int result;
+
+    if (conn->comm_type == fc_comm_type_rdma) {
+        result = G_RDMA_CONNECTION_CALLBACKS.request_by_buf2(
+                conn, buff1, length1, buff2, length2,
+                network_timeout * 1000);
+    } else {
+        if ((result=tcpsenddata_nb(conn->sock, buff1, length1,
+                        network_timeout)) == 0)
+        {
+            result = tcpsenddata_nb(conn->sock, buff2, length2,
+                    network_timeout);
+        }
+    }
+
+    if (result != 0) {
+        response->error.length = snprintf(response->error.message,
+                sizeof(response->error.message),
+                "send data fail, errno: %d, error info: %s",
+                result, STRERROR(result));
+    }
+
+    return result;
+}
+
 int sf_send_and_recv_response_header(ConnectionInfo *conn, char *data,
        const int len, SFResponseInfo *response, const int network_timeout);

--- a/src/sf_service.c
+++ b/src/sf_service.c
@ -33,9 +33,8 @@
 #include "fastcommon/sched_thread.h"
 #include "fastcommon/ioevent_loop.h"
 #include "fastcommon/fc_memory.h"
-#include "sf_nio.h"
+#include "sf_proto.h"
 #include "sf_util.h"
-#include "sf_global.h"
 #include "sf_service.h"

 #if defined(OS_LINUX)
@ -58,22 +57,17 @@ struct worker_thread_context {
    struct nio_thread_data *thread_data;
 };

-int sf_init_task(struct fast_task_info *task)
-{
-    task->connect_timeout = SF_G_CONNECT_TIMEOUT; //for client side
-    task->network_timeout = SF_G_NETWORK_TIMEOUT;
-    return 0;
-}
-
 static void *worker_thread_entrance(void *arg);

-static int sf_init_free_queue(struct fast_task_queue *free_queue,
-        const char *name, const bool double_buffers,
+static int sf_init_free_queue(SFContext *sf_context, const char *name,
+        const bool double_buffers, const bool need_shrink_task_buffer,
        const int task_padding_size, const int task_arg_size,
-        TaskInitCallback init_callback)
+        TaskInitCallback init_callback, void *init_arg)
 {
    int result;
+    int buffer_size;
    int m;
+    int max_m;
    int alloc_conn_once;

    if ((result=set_rand_seed()) != 0) {
@ -82,19 +76,27 @@ static int sf_init_free_queue(struct fast_task_queue *free_queue,
        return result;
    }

-    m = g_sf_global_vars.min_buff_size / (64 * 1024);
+    if (strcmp(name, "cluster") == 0 || strcmp(name, "replica") == 0) {
+        buffer_size = FC_MAX(4 * 1024 * 1024, sf_context->
+                net_buffer_cfg.max_buff_size);
+        max_m = 64;
+    } else {
+        buffer_size = sf_context->net_buffer_cfg.min_buff_size;
+        max_m = 16;
+    }
+    m = buffer_size / (64 * 1024);
    if (m == 0) {
        m = 1;
-    } else if (m > 16) {
-        m = 16;
+    } else if (m > max_m) {
+        m = max_m;
    }
    alloc_conn_once = 256 / m;
-    return free_queue_init_ex2(free_queue, name, double_buffers,
-            g_sf_global_vars.max_connections, alloc_conn_once,
-            g_sf_global_vars.min_buff_size, g_sf_global_vars.
-            max_buff_size, task_padding_size, task_arg_size,
-            (init_callback != NULL ? init_callback :
-             sf_init_task));
+
+    return free_queue_init_ex2(&sf_context->free_queue, name, double_buffers,
+            need_shrink_task_buffer, sf_context->net_buffer_cfg.max_connections,
+            alloc_conn_once, sf_context->net_buffer_cfg.min_buff_size,
+            sf_context->net_buffer_cfg.max_buff_size, task_padding_size,
+            task_arg_size, init_callback, init_arg);
 }

 int sf_service_init_ex2(SFContext *sf_context, const char *name,
@ -109,12 +111,14 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
        sf_recv_timeout_callback timeout_callback, const int net_timeout_ms,
        const int proto_header_size, const int task_padding_size,
        const int task_arg_size, const bool double_buffers,
-        const bool explicit_post_recv, TaskInitCallback init_callback,
+        const bool need_shrink_task_buffer, const bool explicit_post_recv,
+        TaskInitCallback init_callback, void *init_arg,
        sf_release_buffer_callback release_buffer_callback)
 {
    int result;
    int bytes;
    int extra_events;
+    int max_entries;
    int i;
    struct worker_thread_context *thread_contexts;
    struct worker_thread_context *thread_ctx;
@ -123,10 +127,10 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
    pthread_t tid;
    pthread_attr_t thread_attr;

-    snprintf(sf_context->name, sizeof(sf_context->name), "%s", name);
+    fc_safe_strcpy(sf_context->name, name);
    sf_context->connect_need_log = true;
-    sf_context->realloc_task_buffer = g_sf_global_vars.
-                    min_buff_size < g_sf_global_vars.max_buff_size;
+    sf_context->realloc_task_buffer = sf_context->net_buffer_cfg.
+        min_buff_size < sf_context->net_buffer_cfg.max_buff_size;
    sf_context->callbacks.accept_done = accept_done_callback;
    sf_set_parameters_ex(sf_context, proto_header_size,
            set_body_length_func, alloc_recv_buffer_func,
@ -139,9 +143,9 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
        }
    }

-    if ((result=sf_init_free_queue(&sf_context->free_queue,
-                    name, double_buffers, task_padding_size,
-                    task_arg_size, init_callback)) != 0)
+    if ((result=sf_init_free_queue(sf_context, name, double_buffers,
+                    need_shrink_task_buffer, task_padding_size,
+                    task_arg_size, init_callback, init_arg)) != 0)
    {
        return result;
    }
@ -169,7 +173,11 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,

    if (SF_G_EPOLL_EDGE_TRIGGER) {
 #ifdef OS_LINUX
+#if IOEVENT_USE_EPOLL
        extra_events = EPOLLET;
+#else
+        extra_events = 0;
+#endif
 #elif defined(OS_FREEBSD)
        extra_events = EV_CLEAR;
 #else
@ -179,6 +187,40 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
        extra_events = 0;
    }

+    max_entries = (sf_context->net_buffer_cfg.max_connections +
+            sf_context->work_threads - 1) / sf_context->work_threads;
+    if (strcmp(sf_context->name, "cluster") == 0 ||
+            strcmp(sf_context->name, "replica") == 0)
+    {
+        if (max_entries < 1024) {
+            max_entries += 8;
+        } else {
+            max_entries = 1024;
+        }
+    } else {
+        if (max_entries < 4 * 1024) {
+            max_entries = max_entries * 2;
+        } else if (max_entries < 8 * 1024) {
+            max_entries = (max_entries * 3) / 2;
+        } else if (max_entries < 16 * 1024) {
+            max_entries = (max_entries * 5) / 4;
+        } else if (max_entries < 32 * 1024) {
+            max_entries = (max_entries * 6) / 5;
+        } else if (max_entries < 64 * 1024) {
+            max_entries = (max_entries * 11) / 10;
+        } else if (max_entries < 128 * 1024) {
+            max_entries = (max_entries * 21) / 20;
+        }
+
+#if IOEVENT_USE_URING
+        if (sf_context->use_io_uring) {
+            if (max_entries > 32 * 1024) {
+                max_entries = 32 * 1024;
+            }
+        }
+#endif
+    }
+
    g_current_time = time(NULL);
    sf_context->thread_count = 0;
    data_end = sf_context->thread_data + sf_context->work_threads;
@ -203,19 +245,45 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
            thread_data->arg = NULL;
        }

-        if (ioevent_init(&thread_data->ev_puller, 2 + g_sf_global_vars.
-                    max_connections, net_timeout_ms, extra_events) != 0)
+        if ((result=ioevent_init(&thread_data->ev_puller, sf_context->
+                        name, sf_context->use_io_uring, max_entries,
+                        net_timeout_ms, extra_events)) != 0)
        {
-            result  = errno != 0 ? errno : ENOMEM;
+            char prompt[256];
+#if IOEVENT_USE_URING
+            if (sf_context->use_io_uring) {
+                if (result == EPERM) {
+                    strcpy(prompt, " make sure kernel."
+                            "io_uring_disabled set to 0");
+                } else if (result == EINVAL) {
+                    sprintf(prompt, " maybe max_connections: %d is too large"
+                            " or [%s]'s work_threads: %d is too small",
+                            sf_context->net_buffer_cfg.max_connections,
+                            sf_context->name, sf_context->work_threads);
+                } else {
+                    *prompt = '\0';
+                }
+            } else {
+#endif
+                *prompt = '\0';
+#if IOEVENT_USE_URING
+            }
+#endif
+
            logError("file: "__FILE__", line: %d, "
-                "ioevent_init fail, "
-                "errno: %d, error info: %s",
-                __LINE__, result, strerror(result));
+                "ioevent_init fail, errno: %d, error info: %s.%s"
+                , __LINE__, result, strerror(result), prompt);
            return result;
        }

-        result = fast_timer_init(&thread_data->timer,
-                2 * g_sf_global_vars.network_timeout, g_current_time);
+#if IOEVENT_USE_URING
+        if (sf_context->use_io_uring && send_done_callback != NULL) {
+            ioevent_set_send_zc_done_notify(&thread_data->ev_puller, true);
+        }
+#endif
+
+        result = fast_timer_init(&thread_data->timer, 2 * sf_context->
+                net_buffer_cfg.network_timeout, g_current_time);
        if (result != 0) {
            logError("file: "__FILE__", line: %d, "
                    "fast_timer_init fail, errno: %d, error info: %s",
@ -359,7 +427,9 @@ int sf_socket_create_server(SFListener *listener,
        return result;
    }

-    if ((result=tcpsetserveropt(listener->sock, SF_G_NETWORK_TIMEOUT)) != 0) {
+    if ((result=tcpsetserveropt(listener->sock, listener->handler->
+                    fh->ctx->net_buffer_cfg.network_timeout)) != 0)
+    {
        return result;
    }

@ -492,7 +562,9 @@ struct fast_task_info *sf_socket_accept_connection(SFListener *listener)
    }
    FC_SET_CLOEXEC(incomesock);

-    if ((task=sf_alloc_init_task(listener->handler, incomesock)) == NULL) {
+    if ((task=sf_alloc_init_server_task(listener->handler,
+                    incomesock)) == NULL)
+    {
        close(incomesock);
        return NULL;
    }
@ -503,12 +575,6 @@ struct fast_task_info *sf_socket_accept_connection(SFListener *listener)
    return task;
 }

-void sf_socket_close_connection(struct fast_task_info *task)
-{
-    close(task->event.fd);
-    task->event.fd = -1;
-}
-
 void sf_socket_close_ex(SFContext *sf_context)
 {
    int i;
@ -787,15 +853,13 @@ int sf_setup_signal_handler()
    return 0;
 }

-#define LOG_SCHEDULE_ENTRIES_COUNT 3
-
 int sf_startup_schedule(pthread_t *schedule_tid)
 {
    ScheduleArray scheduleArray;
-    ScheduleEntry scheduleEntries[LOG_SCHEDULE_ENTRIES_COUNT];
+    ScheduleEntry scheduleEntries[SF_LOG_SCHEDULE_ENTRIES_COUNT];

    scheduleArray.entries = scheduleEntries;
-    sf_setup_schedule(&g_log_context, &g_sf_global_vars.error_log,
+    sf_logger_setup_schedule(&g_log_context, &g_sf_global_vars.error_log,
            &scheduleArray);
    return sched_start(&scheduleArray, schedule_tid,
            g_sf_global_vars.thread_stack_size, (bool * volatile)
@ -806,7 +870,7 @@ int sf_add_slow_log_schedule(SFSlowLogContext *slowlog_ctx)
 {
    int result;
    ScheduleArray scheduleArray;
-    ScheduleEntry scheduleEntries[LOG_SCHEDULE_ENTRIES_COUNT];
+    ScheduleEntry scheduleEntries[SF_LOG_SCHEDULE_ENTRIES_COUNT];

    if (!slowlog_ctx->cfg.enabled) {
        return 0;
@ -819,8 +883,8 @@ int sf_add_slow_log_schedule(SFSlowLogContext *slowlog_ctx)
    }

    scheduleArray.entries = scheduleEntries;
-    sf_setup_schedule(&slowlog_ctx->ctx, &slowlog_ctx->cfg.log_cfg,
-            &scheduleArray);
+    sf_logger_setup_schedule(&slowlog_ctx->ctx, &slowlog_ctx->
+            cfg.log_cfg, &scheduleArray);
    return sched_add_entries(&scheduleArray);
 }

--- a/src/sf_service.h
+++ b/src/sf_service.h
@ -25,6 +25,9 @@
 #include "fastcommon/ioevent.h"
 #include "fastcommon/fast_task_queue.h"
 #include "sf_types.h"
+#include "sf_proto.h"
+#include "sf_global.h"
+#include "sf_nio.h"

 typedef void* (*sf_alloc_thread_extra_data_callback)(const int thread_index);
 typedef void (*sf_sig_quit_handler)(int sig);
@ -45,7 +48,8 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
        sf_recv_timeout_callback timeout_callback, const int net_timeout_ms,
        const int proto_header_size, const int task_padding_size,
        const int task_arg_size, const bool double_buffers,
-        const bool explicit_post_recv, TaskInitCallback init_callback,
+        const bool need_shrink_task_buffer, const bool explicit_post_recv,
+        TaskInitCallback init_callback, void *init_arg,
        sf_release_buffer_callback release_buffer_callback);

 #define sf_service_init_ex(sf_context, name, alloc_thread_extra_data_callback,\
@ -56,7 +60,7 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
        thread_loop_callback, accept_done_callback, set_body_length_func,     \
        NULL, send_done_callback, deal_func, task_cleanup_func, \
        timeout_callback, net_timeout_ms, proto_header_size, \
-        0, task_arg_size, false, false, NULL, NULL)
+        0, task_arg_size, false, true, false, NULL, NULL, NULL)

 #define sf_service_init(name, alloc_thread_extra_data_callback, \
        thread_loop_callback, accept_done_callback, set_body_length_func,   \
@ -65,8 +69,8 @@ int sf_service_init_ex2(SFContext *sf_context, const char *name,
    sf_service_init_ex2(&g_sf_context, name, alloc_thread_extra_data_callback, \
        thread_loop_callback, accept_done_callback, set_body_length_func, NULL,\
        send_done_callback, deal_func, task_cleanup_func, timeout_callback, \
-        net_timeout_ms, proto_header_size, 0, task_arg_size, false, false,  \
-        NULL, NULL)
+        net_timeout_ms, proto_header_size, 0, task_arg_size, false, true,   \
+        false, NULL, NULL, NULL)

 int sf_service_destroy_ex(SFContext *sf_context);

@ -108,8 +112,6 @@ int sf_socket_create_server(SFListener *listener,
 void sf_socket_close_server(SFListener *listener);
 struct fast_task_info *sf_socket_accept_connection(SFListener *listener);

-void sf_socket_close_connection(struct fast_task_info *task);
-
 int sf_socket_server_ex(SFContext *sf_context);
 #define sf_socket_server() sf_socket_server_ex(&g_sf_context)

@ -148,8 +150,6 @@ void sf_notify_all_threads_ex(SFContext *sf_context);

 void sf_set_sig_quit_handler(sf_sig_quit_handler quit_handler);

-int sf_init_task(struct fast_task_info *task);
-
 static inline struct fast_task_info *sf_alloc_init_task_ex(
        SFNetworkHandler *handler, const int fd,
        const int reffer_count)
@ -165,6 +165,11 @@ static inline struct fast_task_info *sf_alloc_init_task_ex(
        return NULL;
    }

+    if (task->shrinked) {
+        task->shrinked = false;
+        sf_proto_init_task_magic(task);
+    }
+
    __sync_add_and_fetch(&task->reffer_count, reffer_count);
    __sync_bool_compare_and_swap(&task->canceled, 1, 0);
    task->handler = handler;
@ -172,9 +177,42 @@ static inline struct fast_task_info *sf_alloc_init_task_ex(
    return task;
 }

-#define sf_hold_task(task) __sync_add_and_fetch(&task->reffer_count, 1)
+#define sf_hold_task_ex(task, inc_count)  fc_hold_task_ex(task, inc_count)
+#define sf_hold_task(task)  fc_hold_task(task)
+
 #define sf_alloc_init_task(handler, fd) sf_alloc_init_task_ex(handler, fd, 1)

+static inline struct fast_task_info *sf_alloc_init_server_task(
+        SFNetworkHandler *handler, const int fd)
+{
+    const int reffer_count = 1;
+    struct fast_task_info *task;
+
+    if ((task=sf_alloc_init_task_ex(handler, fd, reffer_count)) != NULL) {
+#if IOEVENT_USE_URING
+        FC_URING_IS_CLIENT(task) = false;
+#endif
+    }
+
+    return task;
+}
+
+static inline struct fast_task_info *sf_alloc_init_client_task(
+        SFNetworkHandler *handler)
+{
+    const int fd = -1;
+    const int reffer_count = 1;
+    struct fast_task_info *task;
+
+    if ((task=sf_alloc_init_task_ex(handler, fd, reffer_count)) != NULL) {
+#if IOEVENT_USE_URING
+        FC_URING_IS_CLIENT(task) = true;
+#endif
+    }
+
+    return task;
+}
+
 static inline void sf_release_task(struct fast_task_info *task)
 {
    if (__sync_sub_and_fetch(&task->reffer_count, 1) == 0) {
@ -186,6 +224,15 @@ static inline void sf_release_task(struct fast_task_info *task)
                "used: %d, freed: %d", __LINE__, task,
                alloc_count, alloc_count - free_count, free_count);
                */
+
+#if IOEVENT_USE_URING
+        if (SF_CTX->use_io_uring) {
+            task->handler->close_connection(task);
+            __sync_fetch_and_sub(&g_sf_global_vars.
+                    connection_stat.current_count, 1);
+        }
+#endif
+
        free_queue_push(task);
    }
 }
@ -261,6 +308,19 @@ static inline SFNetworkHandler *sf_get_rdma_network_handler3(
    return sf_get_rdma_network_handler(sf_context3);
 }

+static inline bool sf_get_double_buffers_flag(FCServerGroupInfo *server_group)
+{
+    if (server_group->comm_type == fc_comm_type_sock) {
+#if IOEVENT_USE_URING
+        return true;
+#else
+        return false;
+#endif
+    } else {  //RDMA
+        return true;
+    }
+}
+
 #ifdef __cplusplus
 }
 #endif
--- a/src/sf_types.h
+++ b/src/sf_types.h
@ -42,6 +42,11 @@
 #define SF_SOCKET_NETWORK_HANDLER_INDEX   0
 #define SF_RDMACM_NETWORK_HANDLER_INDEX   1

+#define SF_BINLOG_BUFFER_PRODUCER_DATA_LENGTH(bf) ((bf).data_end - (bf).buff)
+#define SF_BINLOG_BUFFER_PRODUCER_BUFF_REMAIN(bf) ((bf).buff_end - (bf).data_end)
+#define SF_BINLOG_BUFFER_CONSUMER_DATA_LENGTH(bf) ((bf).current  - (bf).buff)
+#define SF_BINLOG_BUFFER_CONSUMER_DATA_REMAIN(bf) ((bf).data_end - (bf).current)
+
 typedef int (*sf_accept_done_callback)(struct fast_task_info *task,
        const in_addr_64_t client_addr, const bool bInnerPort);
 typedef int (*sf_set_body_length_callback)(struct fast_task_info *task);
@ -110,6 +115,7 @@ typedef struct sf_listener {

 struct sf_context;
 struct sf_address_family_handler;
+
 typedef struct sf_network_handler {
    bool enabled;
    bool explicit_post_recv;
@ -160,20 +166,32 @@ typedef struct sf_address_family_handler {
    struct sf_context *ctx;
 } SFAddressFamilyHandler;

+typedef struct sf_net_buffer_config {
+    int connect_timeout;
+    int network_timeout;
+    int max_connections;
+    int max_pkg_size;
+    int min_buff_size;
+    int max_buff_size;
+} SFNetBufferConfig;
+
 typedef struct sf_context {
    char name[64];
    struct nio_thread_data *thread_data;
    volatile int thread_count;

-    //int rdma_port_offset;
+    bool is_client;    //since v1.2.5
+    bool use_io_uring; //since v1.2.9
+    bool use_send_zc;  //since v1.2.9
    SFAddressFamily address_family;
    SFAddressFamilyHandler handlers[SF_ADDRESS_FAMILY_COUNT];

+    SFNetBufferConfig net_buffer_cfg;
+
    int accept_threads;
    int work_threads;

    int header_size;
-    bool remove_from_ready_list;
    bool realloc_task_buffer;
    bool connect_need_log;  //for client connect
    FCSmartPollingConfig smart_polling;
@ -219,10 +237,11 @@ typedef struct sf_binlog_file_position {
 } SFBinlogFilePosition;

 typedef struct server_binlog_buffer {
-    char *buff;    //the buffer pointer
-    char *current; //for the consumer
-    char *end;     //data end ptr
-    int size;      //the buffer size (capacity)
+    char *buff;       //the buffer pointer
+    char *current;    //for the consumer
+    char *data_end;   //data end ptr
+    char *buff_end;   //buffer end ptr
+    int size;         //the buffer size (capacity)
 } SFBinlogBuffer;

 typedef struct sf_space_stat {
@ -351,6 +370,7 @@ typedef struct sf_synchronize_context {
    int result;
    union {
        bool finished;
+        bool ready;
        int waiting_count;
    };
 } SFSynchronizeContext;
--- a/src/sf_util.c
+++ b/src/sf_util.c
@ -281,7 +281,7 @@ int sf_logger_init(LogContext *pContext, const char *filename_prefix)
    return 0;
 }

-ScheduleEntry *sf_logger_set_schedule_entry(struct log_context *pContext,
+ScheduleEntry *sf_logger_set_schedule_entries(struct log_context *pContext,
        SFLogConfig *log_cfg, ScheduleEntry *pScheduleEntry)
 {
    INIT_SCHEDULE_ENTRY(*pScheduleEntry, sched_generate_next_id(),
--- a/src/sf_util.h
+++ b/src/sf_util.h
@ -96,14 +96,14 @@ void sf_parse_cmd_option_bool(int argc, char *argv[],

 int sf_logger_init(LogContext *pContext, const char *filename_prefix);

-ScheduleEntry *sf_logger_set_schedule_entry(struct log_context *pContext,
+ScheduleEntry *sf_logger_set_schedule_entries(struct log_context *pContext,
        SFLogConfig *log_cfg, ScheduleEntry *pScheduleEntry);

-static inline void sf_setup_schedule(struct log_context *pContext,
+static inline void sf_logger_setup_schedule(struct log_context *pContext,
        SFLogConfig *log_cfg, ScheduleArray *scheduleArray)
 {
    ScheduleEntry *scheduleEntry;
-    scheduleEntry = sf_logger_set_schedule_entry(pContext,
+    scheduleEntry = sf_logger_set_schedule_entries(pContext,
            log_cfg, scheduleArray->entries);
    scheduleArray->count = scheduleEntry - scheduleArray->entries;
 }
Author	SHA1	Message	Date
vazmin	4adf6b3227	gh actions: upgrade to 1.2.11-1	2025-11-23 10:48:22 +00:00
vazmin	f4a799402e	gh actions: upgrade to 1.2.11-1	2025-11-23 10:00:56 +00:00
vazmin	27510e9641	gh actions: upgrade to 1.2.11-1	2025-11-23 09:06:43 +00:00
YuQing	848077797b	upgrade version to 1.2.11	2025-11-16 17:01:06 +08:00
YuQing	d22f9da49c	bugfixed: MUST call sf_hold_task in sf_nio_notify for rare case	2025-11-16 15:29:38 +08:00
YuQing	5495455fa7	do NOT call task->finish_callback	2025-11-15 11:14:14 +08:00
YuQing	4da0ff251c	upgrade version to 1.2.10	2025-11-11 09:57:18 +08:00
YuQing	2444eac6ce	declare use_send_zc field anyway	2025-11-11 09:52:42 +08:00
YuQing	a52cc2d5d4	check sf_context->use_io_uring more	2025-11-05 09:58:37 +08:00
YuQing	c4af33a497	declare use_io_uring correctly	2025-11-04 15:55:33 +08:00
YuQing	fa32972052	move use_io_uring and use_send_zc to struct sf_context	2025-11-04 15:40:00 +08:00
YuQing	688211fbcd	correct compile error	2025-11-03 15:22:45 +08:00
YuQing	1b2f521b99	uring cancel callback release task correctly	2025-11-03 14:56:29 +08:00
YuQing	ddc528d69d	restore function sf_client_sock_in_read_stage	2025-11-02 15:02:54 +08:00
YuQing	32d443b497	MUST call set_read_event anyway after socket send done	2025-10-27 12:28:24 +08:00
YuQing	53dd39500f	upgrade version to 1.2.9	2025-10-26 12:27:49 +08:00
YuQing	772a9a6895	Merge remote-tracking branch 'origin/use_iouring'	2025-10-26 12:26:53 +08:00
YuQing	932751d392	send zc done notify callback for recycling buffer	2025-10-20 10:34:47 +08:00
YuQing	817ff547da	set alloc_conn_once and max_entries gracefully	2025-10-12 12:28:11 +08:00
YuQing	926cd40114	ioevent_init: set max entries for io_uring gracefully	2025-10-12 10:24:35 +08:00
YuQing	b688973cf9	change use_send_zc's default value to true	2025-10-09 14:01:32 +08:00
YuQing	b16526e8f7	bug fixed: check_task process correctly	2025-10-06 20:55:29 +08:00
YuQing	68079fc468	IOEventCallback: change event type from short to int	2025-10-05 16:53:21 +08:00
YuQing	3dcc1c570d	call sf_proto_init_task_magic when task->shrinked	2025-10-03 21:06:58 +08:00
YuQing	cf0950ea62	sf_set_read_event just skipped when use_io_uring is true	2025-10-03 11:33:26 +08:00
YuQing	263171c4fe	async_connect use io_uring	2025-09-30 11:26:11 +08:00
YuQing	a2ab8a0c01	adapt Linux io_uring OK	2025-09-27 15:41:56 +08:00
YuQing	0f75b039f6	sf_logger_set_schedule_entry change to sf_logger_set_schedule_entries	2025-09-26 19:57:03 +08:00
YuQing	ecee21f289	socket send and recv adapt to io_uring	2025-09-25 15:54:38 +08:00
YuQing	bc5af8a58b	struct sf_network_handler add field use_iouring	2025-09-24 15:59:27 +08:00
YuQing	f0ee6ce73f	struct sf_context remove field: remove_from_ready_list	2025-09-21 15:08:08 +08:00
vazmin	aef9d803d1	gh actions: upgrade to 1.2.8-1	2025-08-16 16:32:03 +00:00
YuQing	6d0465acc4	upgrade version to 1.2.8	2025-08-14 09:44:39 +08:00
YuQing	2e5258045d	change SF_BINLOG_FILE_PREFIX to SF_BINLOG_FILE_PREFIX_STR	2025-08-10 12:03:25 +08:00
YuQing	fc689a02ba	rename fc_combine_two_string to fc_combine_two_strings	2025-08-09 15:22:04 +08:00
YuQing	7b3f6d620a	use fc_safe_strcpy and fc_combine_two_string	2025-08-08 21:52:08 +08:00
YuQing	03f64998ce	performance opt.: replace snprintf	2025-08-07 19:53:38 +08:00
YuQing	0b4936bd8f	performance opt.: replace sprintf again	2025-08-05 18:05:56 +08:00
YuQing	ba87f8e1ea	performance opt.: replace sprintf	2025-08-04 16:57:35 +08:00
YuQing	da2ddc7441	sf_log_config for client correctly	2025-04-23 15:17:23 +08:00
vazmin	b83189f021	gh actions: upgrade to 1.2.7-1	2025-04-06 16:56:40 +00:00
YuQing	4ad53f7ee3	correct libserverframe release version	2025-04-01 17:21:01 +08:00
YuQing	003cc74b96	upgrade version to 1.2.7	2025-04-01 16:49:38 +08:00
YuQing	3815c0b2ce	export function sf_file_writer_direct_write	2025-03-15 10:10:01 +08:00
YuQing	7ee7e7b535	add function sf_file_writer_get_last_line	2025-03-10 17:01:03 +08:00
YuQing	e095ce45c2	add function sf_file_writer_flush_buffer	2025-03-05 20:05:56 +08:00
YuQing	f9d8c3d070	add function write_to_binlog_index_file	2025-02-18 15:49:00 +08:00
YuQing	fc9c23fb95	call flush_writer_files before rotate file	2025-02-17 10:54:07 +08:00
YuQing	755296bb68	add function sf_proto_send_buf2	2025-02-12 21:59:04 +08:00
YuQing	14a783fd6f	sf_binlog_writer_rotate_file can skip empty file	2025-02-10 18:34:04 +08:00
YuQing	e9e33883bf	Merge branch 'master' of gitee.com:fastdfs100/libserverframe	2025-02-09 09:30:42 +08:00
YuQing	318640572f	sf_file_writer.[hc]: support write done callback	2025-02-09 09:26:34 +08:00
YuQing	f6e2de5668	upgrade version to 1.2.6	2025-01-27 20:50:18 +08:00
YuQing	b6e24d0548	sf_connection_manager.[hc]: get connection functions add parameter shared	2025-01-27 10:59:57 +08:00
YuQing	03974ff302	explicit cast for fast_mblock_alloc_object	2024-12-08 09:29:16 +08:00
YuQing	a3e1956128	change macro sf_log_network_error_for_update_ex	2024-10-29 09:52:45 +08:00
YuQing	75e8aacfd9	sf_binlog_writer.[hc] add parameter write_interval_ms for high performance	2024-10-07 09:21:19 +08:00
vazmin	be4bad4ee1	gh actions: upgrade to 1.2.5-1	2024-09-29 15:24:39 +00:00
YuQing	3993b79a81	sf_connection_manager_init: set htable_capacity gracefully	2024-09-22 12:21:06 +08:00
YuQing	42c6e2c6b7	struct sf_context add field is_client for RDMA callback alloc_pd	2024-09-20 14:16:59 +08:00
YuQing	6a60a49c32	upgrade version to 1.2.5	2024-09-17 11:24:01 +08:00
YuQing	14d0a1c014	task init callback support extra argument	2024-09-15 12:06:25 +08:00
vazmin	a01ccf66dc	gh actions: upgrade to 1.2.4-1	2024-06-15 14:45:44 +00:00
YuQing	63d43fc9cc	upgrade version to 1.2.4	2024-06-11 09:39:08 +08:00
YuQing	e83be7356d	change default values of connect timeout and network timeout	2024-04-28 16:20:59 +08:00
vazmin	3dfdb8ace6	gh actions: upgrade to 1.2.3-1	2024-03-17 15:11:04 +00:00
YuQing	35d9be16ee	upgrade version to V1.2.3	2024-03-11 11:18:42 +08:00
YuQing	231e2610e5	log square quoted IPv6 address	2024-03-05 18:07:34 +08:00
YuQing	1c796ab819	sf_file_writer_init add parameter: max_record_size	2024-02-29 11:58:05 +08:00
YuQing	7f6ad6dcba	sf_load_context_from_config_ex support max_pkg_size_min_value	2024-02-26 16:17:41 +08:00
YuQing	78d65ba2c6	net buffer config for each sf_context instance	2024-02-20 09:53:52 +08:00
YuQing	d5a9f40a66	correct macros for struct SFBinlogBuffer	2024-02-15 15:13:40 +08:00
YuQing	9d3a92d7da	fixed macro SF_BINLOG_BUFFER_LENGTH	2024-02-05 17:05:39 +08:00
YuQing	cab9ce4c4f	set flags of protocol header	2024-02-04 09:22:56 +08:00
vazmin	8ea4e28f73	gh actions: upgrade to 1.2.2-1	2024-01-31 12:00:10 +00:00