nio stage change to 2 fields: current and notify

connection_manager
YuQing 2020-10-19 16:39:43 +08:00
parent 52254b522b
commit 1854683ddd
6 changed files with 33 additions and 140 deletions

View File

@ -333,7 +333,7 @@ int idempotency_client_channel_push(struct idempotency_client_channel *channel,
if (notify) {
if (__sync_add_and_fetch(&channel->in_ioevent, 0)) {
if (__sync_add_and_fetch(&channel->established, 0)) {
sf_nio_notify_silence(channel->task, SF_NIO_STAGE_CONTINUE);
sf_nio_notify(channel->task, SF_NIO_STAGE_CONTINUE);
}
} else {
return idempotency_client_channel_check_reconnect(channel);

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@ -324,13 +324,11 @@ static inline int deal_report_req_receipt_response(struct fast_task_info *task)
return 0;
}
static int receipt_deal_task(struct fast_task_info *task)
static int receipt_deal_task(struct fast_task_info *task, const int stage)
{
int result;
int stage;
do {
stage = SF_NIO_TASK_STAGE_FETCH(task);
if (stage == SF_NIO_STAGE_HANDSHAKE) {
setup_channel_request(task);
result = 0;

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@ -28,23 +28,13 @@
#define SF_NIO_STAGE_INIT 0 //set ioevent
#define SF_NIO_STAGE_CONNECT 1 //do connect (client only)
#define SF_NIO_STAGE_HANDSHAKE 2 //notify the thread to handshake (client only)
#define SF_NIO_STAGE_RECV 4 //do recv
#define SF_NIO_STAGE_SEND 8 //do send
#define SF_NIO_STAGE_FORWARDED 16 //deal the forwarded request
#define SF_NIO_STAGE_CONTINUE 32 //notify the thread continue deal
#define SF_NIO_STAGE_CLOSE 256 //cleanup the task
#define SF_NIO_FLAG_INPROGRESS 1024
#define SF_NIO_STAGE_FLAGS (SF_NIO_FLAG_INPROGRESS)
#define SF_NIO_STAGE_RECV_INPROGRESS (SF_NIO_STAGE_RECV | SF_NIO_FLAG_INPROGRESS)
#define SF_NIO_STAGE_SEND_INPROGRESS (SF_NIO_STAGE_SEND | SF_NIO_FLAG_INPROGRESS)
#define SF_NIO_TASK_STAGE_FETCH(task) __sync_add_and_fetch(&task->nio_stage, 0)
#define SF_NIO_STAGE_ONLY(stage) (stage & (~SF_NIO_STAGE_FLAGS))
#define SF_NIO_STAGE_IS_INPROGRESS(stage) \
((stage & SF_NIO_FLAG_INPROGRESS) != 0)
#define SF_NIO_STAGE_RECV 3 //do recv
#define SF_NIO_STAGE_SEND 4 //do send
#define SF_NIO_STAGE_FORWARDED 5 //deal the forwarded request
#define SF_NIO_STAGE_CONTINUE 6 //notify the thread continue deal
#define SF_NIO_STAGE_CLOSE 127 //cleanup the task
#define SF_NIO_TASK_STAGE_FETCH(task) task->nio_stages.current
#define SF_CLUSTER_ERROR_BINLOG_INCONSISTENT 9998
#define SF_CLUSTER_ERROR_LEADER_INCONSISTENT 9999

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@ -128,7 +128,7 @@ int sf_set_read_event(struct fast_task_info *task)
{
int result;
sf_nio_set_stage(task, SF_NIO_STAGE_RECV);
task->nio_stages.current = SF_NIO_STAGE_RECV;
if (task->event.callback == (IOEventCallback)sf_client_sock_read) {
return 0;
}
@ -202,8 +202,7 @@ static int sf_client_sock_connect(int sock, short event, void *arg)
logInfo("file: "__FILE__", line: %d, "
"connect to server %s:%u successfully",
__LINE__, task->server_ip, task->port);
sf_nio_set_stage(task, SF_NIO_STAGE_HANDSHAKE);
return SF_CTX->deal_task(task);
return SF_CTX->deal_task(task, SF_NIO_STAGE_HANDSHAKE);
}
static int sf_connect_server(struct fast_task_info *task)
@ -228,8 +227,7 @@ static int sf_connect_server(struct fast_task_info *task)
logInfo("file: "__FILE__", line: %d, "
"connect to server %s:%u successfully",
__LINE__, task->server_ip, task->port);
sf_nio_set_stage(task, SF_NIO_STAGE_HANDSHAKE);
return SF_CTX->deal_task(task);
return SF_CTX->deal_task(task, SF_NIO_STAGE_HANDSHAKE);
} else if (result == EINPROGRESS) {
result = ioevent_set(task, task->thread_data, task->event.fd,
IOEVENT_READ | IOEVENT_WRITE, (IOEventCallback)
@ -249,12 +247,10 @@ static int sf_connect_server(struct fast_task_info *task)
static int sf_nio_deal_task(struct fast_task_info *task)
{
int result;
int stage;
stage = SF_NIO_TASK_STAGE_FETCH(task);
switch (SF_NIO_STAGE_ONLY(stage)) {
switch (task->nio_stages.notify) {
case SF_NIO_STAGE_INIT:
sf_nio_set_stage(task, SF_NIO_STAGE_RECV);
task->nio_stages.current = SF_NIO_STAGE_RECV;
result = sf_nio_init(task);
break;
case SF_NIO_STAGE_CONNECT:
@ -271,14 +267,14 @@ static int sf_nio_deal_task(struct fast_task_info *task)
result = sf_send_add_event(task);
break;
case SF_NIO_STAGE_CONTINUE: //continue deal
result = SF_CTX->deal_task(task);
result = SF_CTX->deal_task(task, SF_NIO_STAGE_CONTINUE);
break;
case SF_NIO_STAGE_FORWARDED: //forward by other thread
if ((result=sf_ioevent_add(task, (IOEventCallback)
sf_client_sock_read,
task->network_timeout)) == 0)
{
result = SF_CTX->deal_task(task);
result = SF_CTX->deal_task(task, SF_NIO_STAGE_SEND);
}
break;
case SF_NIO_STAGE_CLOSE:
@ -286,8 +282,8 @@ static int sf_nio_deal_task(struct fast_task_info *task)
break;
default:
logError("file: "__FILE__", line: %d, "
"client ip: %s, invalid stage: %d",
__LINE__, task->client_ip, stage);
"client ip: %s, invalid notify stage: %d",
__LINE__, task->client_ip, task->nio_stages.notify);
result = -EINVAL;
break;
}
@ -299,49 +295,16 @@ static int sf_nio_deal_task(struct fast_task_info *task)
return result;
}
int sf_nio_notify_ex(struct fast_task_info *task, const int new_stage,
const int log_level, const char *file, const int line)
int sf_nio_notify(struct fast_task_info *task, const int stage)
{
int64_t n;
int result;
int old_stage;
bool notify;
old_stage = SF_NIO_TASK_STAGE_FETCH(task);
if (!(new_stage == SF_NIO_STAGE_INIT ||
new_stage == SF_NIO_STAGE_CONNECT ||
new_stage == SF_NIO_STAGE_CLOSE))
{
if (SF_NIO_STAGE_IS_INPROGRESS(old_stage)) {
if (FC_LOG_BY_LEVEL(log_level)) {
log_it_ex(&g_log_context, log_level,
"file: "__FILE__", line: %d, "
"from caller {file: %s, line: %d}, "
"client ip: %s, nio stage in progress, "
"current stage: %d, skip set to %d", __LINE__,
file, line, task->client_ip, old_stage, new_stage);
}
return EBUSY;
}
}
if (!__sync_bool_compare_and_swap(&task->nio_stage,
old_stage, new_stage))
{
if (FC_LOG_BY_LEVEL(log_level)) {
log_it_ex(&g_log_context, log_level,
"file: "__FILE__", line: %d, "
"from caller {file: %s, line: %d}, "
"client ip: %s, skip set stage to %d because stage "
"changed, current stage: %d", __LINE__, file, line,
task->client_ip, new_stage, SF_NIO_TASK_STAGE_FETCH(task));
}
return EEXIST;
}
PTHREAD_MUTEX_LOCK(&task->thread_data->waiting_queue.lock);
task->nio_stages.notify = stage;
task->next = NULL;
pthread_mutex_lock(&task->thread_data->waiting_queue.lock);
if (task->thread_data->waiting_queue.tail == NULL) {
task->thread_data->waiting_queue.head = task;
notify = true;
@ -350,7 +313,7 @@ int sf_nio_notify_ex(struct fast_task_info *task, const int new_stage,
notify = false;
}
task->thread_data->waiting_queue.tail = task;
pthread_mutex_unlock(&task->thread_data->waiting_queue.lock);
PTHREAD_MUTEX_UNLOCK(&task->thread_data->waiting_queue.lock);
if (notify) {
n = 1;
@ -383,10 +346,10 @@ void sf_recv_notify_read(int sock, short event, void *arg)
__LINE__, sock, errno, STRERROR(errno));
}
pthread_mutex_lock(&thread_data->waiting_queue.lock);
PTHREAD_MUTEX_LOCK(&thread_data->waiting_queue.lock);
current = thread_data->waiting_queue.head;
thread_data->waiting_queue.head = thread_data->waiting_queue.tail = NULL;
pthread_mutex_unlock(&thread_data->waiting_queue.lock);
PTHREAD_MUTEX_UNLOCK(&thread_data->waiting_queue.lock);
while (current != NULL) {
task = current;
@ -403,7 +366,7 @@ int sf_send_add_event(struct fast_task_info *task)
task->offset = 0;
if (task->length > 0) {
/* direct send */
sf_nio_set_stage(task, SF_NIO_STAGE_SEND);
task->nio_stages.current = SF_NIO_STAGE_SEND;
if (sf_client_sock_write(task->event.fd, IOEVENT_WRITE, task) < 0) {
return errno != 0 ? errno : EIO;
}
@ -414,15 +377,13 @@ int sf_send_add_event(struct fast_task_info *task)
int sf_client_sock_read(int sock, short event, void *arg)
{
int stage;
int bytes;
int recv_bytes;
int total_read;
struct fast_task_info *task;
task = (struct fast_task_info *)arg;
stage = SF_NIO_TASK_STAGE_FETCH(task);
if (task->canceled || (SF_NIO_STAGE_ONLY(stage) != SF_NIO_STAGE_RECV)) {
if (task->canceled || (task->nio_stages.current != SF_NIO_STAGE_RECV)) {
return 0;
}
@ -469,18 +430,6 @@ int sf_client_sock_read(int sock, short event, void *arg)
return -1;
}
if (stage != SF_NIO_STAGE_RECV_INPROGRESS) {
if (!__sync_bool_compare_and_swap(&task->nio_stage,
stage, SF_NIO_STAGE_RECV_INPROGRESS))
{
logWarning("file: "__FILE__", line: %d, "
"client ip: %s, nio stage change from %d to %d, "
"skip read!", __LINE__, task->client_ip, stage,
SF_NIO_TASK_STAGE_FETCH(task));
return 0;
}
}
total_read = 0;
while (1) {
fast_timer_modify(&task->thread_data->timer,
@ -605,8 +554,8 @@ int sf_client_sock_read(int sock, short event, void *arg)
if (task->offset >= task->length) { //recv done
task->req_count++;
sf_nio_set_stage(task, SF_NIO_STAGE_SEND);
if (SF_CTX->deal_task(task) < 0) { //fatal error
task->nio_stages.current = SF_NIO_STAGE_SEND;
if (SF_CTX->deal_task(task, SF_NIO_STAGE_SEND) < 0) { //fatal error
ioevent_add_to_deleted_list(task);
return -1;
}
@ -619,15 +568,13 @@ int sf_client_sock_read(int sock, short event, void *arg)
int sf_client_sock_write(int sock, short event, void *arg)
{
int stage;
int bytes;
int total_write;
struct fast_task_info *task;
//assert(sock >= 0);
task = (struct fast_task_info *)arg;
stage = SF_NIO_TASK_STAGE_FETCH(task);
if (task->canceled || (SF_NIO_STAGE_ONLY(stage) != SF_NIO_STAGE_SEND)) {
if (task->canceled || (task->nio_stages.current != SF_NIO_STAGE_SEND)) {
return 0;
}
@ -650,18 +597,6 @@ int sf_client_sock_write(int sock, short event, void *arg)
return -1;
}
if (stage != SF_NIO_STAGE_SEND_INPROGRESS) {
if (!__sync_bool_compare_and_swap(&task->nio_stage,
stage, SF_NIO_STAGE_SEND_INPROGRESS))
{
logWarning("file: "__FILE__", line: %d, "
"client ip: %s, nio stage change from %d to %d, "
"skip write!", __LINE__, task->client_ip, stage,
SF_NIO_TASK_STAGE_FETCH(task));
return 0;
}
}
total_write = 0;
while (1) {
fast_timer_modify(&task->thread_data->timer,

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@ -58,6 +58,9 @@ static inline TaskCleanUpCallback sf_get_task_cleanup_func_ex(
#define sf_get_task_cleanup_func() \
sf_get_task_cleanup_func_ex(&g_sf_context)
#define sf_nio_task_is_idle(task) \
(task->offset == 0 && task->length == 0)
void sf_recv_notify_read(int sock, short event, void *arg);
int sf_send_add_event(struct fast_task_info *task);
int sf_client_sock_write(int sock, short event, void *arg);
@ -65,17 +68,7 @@ int sf_client_sock_read(int sock, short event, void *arg);
void sf_task_finish_clean_up(struct fast_task_info *task);
int sf_nio_notify_ex(struct fast_task_info *task, const int new_stage,
const int log_level, const char *file, const int line);
#define sf_nio_notify(task, new_stage) \
sf_nio_notify_ex(task, new_stage, LOG_WARNING, __FILE__, __LINE__)
#define sf_nio_notify_silence(task, new_stage) \
sf_nio_notify_ex(task, new_stage, LOG_NOTHING, __FILE__, __LINE__)
#define sf_nio_task_is_idle(task) \
(task->offset == 0 && task->length == 0)
int sf_nio_notify(struct fast_task_info *task, const int stage);
int sf_set_read_event(struct fast_task_info *task);
@ -96,29 +89,6 @@ 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_set_stage(struct fast_task_info *task,
const int new_stage)
{
int old_stage;
old_stage = __sync_add_and_fetch(&task->nio_stage, 0);
if (new_stage != old_stage) {
__sync_bool_compare_and_swap(&task->nio_stage, old_stage, new_stage);
}
}
static inline bool sf_nio_swap_stage(struct fast_task_info *task,
const int old_stage, const int new_stage)
{
return __sync_bool_compare_and_swap(&task->nio_stage, old_stage, new_stage);
}
static inline bool sf_nio_task_inprogress(struct fast_task_info *task)
{
int stage;
stage = __sync_add_and_fetch(&task->nio_stage, 0);
return SF_NIO_STAGE_IS_INPROGRESS(stage);
}
#ifdef __cplusplus
}
#endif

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@ -35,7 +35,7 @@
typedef void (*sf_accept_done_callback)(struct fast_task_info *task,
const bool bInnerPort);
typedef int (*sf_set_body_length_callback)(struct fast_task_info *task);
typedef int (*sf_deal_task_func)(struct fast_task_info *task);
typedef int (*sf_deal_task_func)(struct fast_task_info *task, const int stage);
typedef int (*sf_recv_timeout_callback)(struct fast_task_info *task);
typedef struct sf_context {