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fastdfs/tracker/tracker_mem.c

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/**
* Copyright (C) 2008 Happy Fish / YuQing
*
* FastDFS may be copied only under the terms of the GNU General
* Public License V3, which may be found in the FastDFS source kit.
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
**/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <fcntl.h>
#include <pthread.h>
#include "fdfs_define.h"
#include "fastcommon/logger.h"
#include "fastcommon/sockopt.h"
#include "fdfs_global.h"
#include "fastcommon/shared_func.h"
#include "fastcommon/pthread_func.h"
#include "fastcommon/sched_thread.h"
#include "fdfs_shared_func.h"
#include "tracker_global.h"
#include "tracker_proto.h"
#include "tracker_func.h"
#include "tracker_relationship.h"
#include "tracker_mem.h"
#define TRACKER_MEM_ALLOC_ONCE 2
#define GROUP_SECTION_NAME_GLOBAL "Global"
#define GROUP_SECTION_NAME_PREFIX "Group"
#define GROUP_SECTION_NO_FORMAT "%03d"
#define GROUP_ITEM_GROUP_COUNT "group_count"
#define GROUP_ITEM_GROUP_NAME "group_name"
#define GROUP_ITEM_STORAGE_PORT "storage_port"
#define GROUP_ITEM_STORAGE_HTTP_PORT "storage_http_port"
#define GROUP_ITEM_STORE_PATH_COUNT "store_path_count"
#define GROUP_ITEM_SUBDIR_COUNT_PER_PATH "subdir_count_per_path"
#define GROUP_ITEM_CURRENT_TRUNK_FILE_ID "current_trunk_file_id"
#define GROUP_ITEM_LAST_TRUNK_SERVER "last_trunk_server"
#define GROUP_ITEM_TRUNK_SERVER "trunk_server"
#define STORAGE_SECTION_NAME_GLOBAL "Global"
#define STORAGE_SECTION_NAME_PREFIX "Storage"
#define STORAGE_SECTION_NO_FORMAT "%03d"
#define STORAGE_ITEM_STORAGE_COUNT "storage_count"
#define STORAGE_ITEM_GROUP_NAME "group_name"
#define STORAGE_ITEM_SERVER_ID "id"
#define STORAGE_ITEM_IP_ADDR "ip_addr"
#define STORAGE_ITEM_STATUS "status"
#define STORAGE_ITEM_DOMAIN_NAME "domain_name"
#define STORAGE_ITEM_VERSION "version"
#define STORAGE_ITEM_SYNC_SRC_SERVER "sync_src_server"
#define STORAGE_ITEM_SYNC_UNTIL_TIMESTAMP "sync_until_timestamp"
#define STORAGE_ITEM_JOIN_TIME "join_time"
#define STORAGE_ITEM_TOTAL_MB "total_mb"
#define STORAGE_ITEM_FREE_MB "free_mb"
#define STORAGE_ITEM_CHANGELOG_OFFSET "changelog_offset"
#define STORAGE_ITEM_STORE_PATH_COUNT "store_path_count"
#define STORAGE_ITEM_SUBDIR_COUNT_PER_PATH "subdir_count_per_path"
#define STORAGE_ITEM_UPLOAD_PRIORITY "upload_priority"
#define STORAGE_ITEM_STORAGE_PORT "storage_port"
#define STORAGE_ITEM_STORAGE_HTTP_PORT "storage_http_port"
#define STORAGE_ITEM_TOTAL_UPLOAD_COUNT "total_upload_count"
#define STORAGE_ITEM_SUCCESS_UPLOAD_COUNT "success_upload_count"
#define STORAGE_ITEM_TOTAL_APPEND_COUNT "total_append_count"
#define STORAGE_ITEM_SUCCESS_APPEND_COUNT "success_append_count"
#define STORAGE_ITEM_TOTAL_SET_META_COUNT "total_set_meta_count"
#define STORAGE_ITEM_SUCCESS_SET_META_COUNT "success_set_meta_count"
#define STORAGE_ITEM_TOTAL_DELETE_COUNT "total_delete_count"
#define STORAGE_ITEM_SUCCESS_DELETE_COUNT "success_delete_count"
#define STORAGE_ITEM_TOTAL_DOWNLOAD_COUNT "total_download_count"
#define STORAGE_ITEM_SUCCESS_DOWNLOAD_COUNT "success_download_count"
#define STORAGE_ITEM_TOTAL_GET_META_COUNT "total_get_meta_count"
#define STORAGE_ITEM_SUCCESS_GET_META_COUNT "success_get_meta_count"
#define STORAGE_ITEM_TOTAL_CREATE_LINK_COUNT "total_create_link_count"
#define STORAGE_ITEM_SUCCESS_CREATE_LINK_COUNT "success_create_link_count"
#define STORAGE_ITEM_TOTAL_DELETE_LINK_COUNT "total_delete_link_count"
#define STORAGE_ITEM_SUCCESS_DELETE_LINK_COUNT "success_delete_link_count"
#define STORAGE_ITEM_TOTAL_UPLOAD_BYTES "total_upload_bytes"
#define STORAGE_ITEM_SUCCESS_UPLOAD_BYTES "success_upload_bytes"
#define STORAGE_ITEM_TOTAL_APPEND_BYTES "total_append_bytes"
#define STORAGE_ITEM_SUCCESS_APPEND_BYTES "success_append_bytes"
#define STORAGE_ITEM_TOTAL_DOWNLOAD_BYTES "total_download_bytes"
#define STORAGE_ITEM_SUCCESS_DOWNLOAD_BYTES "success_download_bytes"
#define STORAGE_ITEM_TOTAL_SYNC_IN_BYTES "total_sync_in_bytes"
#define STORAGE_ITEM_SUCCESS_SYNC_IN_BYTES "success_sync_in_bytes"
#define STORAGE_ITEM_TOTAL_SYNC_OUT_BYTES "total_sync_out_bytes"
#define STORAGE_ITEM_SUCCESS_SYNC_OUT_BYTES "success_sync_out_bytes"
#define STORAGE_ITEM_TOTAL_FILE_OPEN_COUNT "total_file_open_count"
#define STORAGE_ITEM_SUCCESS_FILE_OPEN_COUNT "success_file_open_count"
#define STORAGE_ITEM_TOTAL_FILE_READ_COUNT "total_file_read_count"
#define STORAGE_ITEM_SUCCESS_FILE_READ_COUNT "success_file_read_count"
#define STORAGE_ITEM_TOTAL_FILE_WRITE_COUNT "total_file_write_count"
#define STORAGE_ITEM_SUCCESS_FILE_WRITE_COUNT "success_file_write_count"
#define STORAGE_ITEM_LAST_SOURCE_UPDATE "last_source_update"
#define STORAGE_ITEM_LAST_SYNC_UPDATE "last_sync_update"
#define STORAGE_ITEM_LAST_SYNCED_TIMESTAMP "last_synced_timestamp"
#define STORAGE_ITEM_LAST_HEART_BEAT_TIME "last_heart_beat_time"
TrackerServerGroup g_tracker_servers = {0, 0, -1, NULL};
TrackerServerInfo *g_last_tracker_servers = NULL; //for delay free
int g_next_leader_index = -1; //next leader index
int g_trunk_server_chg_count = 1; //for notify other trackers
int g_tracker_leader_chg_count = 0; //for notify storage servers
int64_t g_changelog_fsize = 0; //storage server change log file size
static int changelog_fd = -1; //storage server change log fd for write
static bool need_get_sys_files = true;
static bool get_sys_files_done = false;
static pthread_mutex_t mem_thread_lock;
static pthread_mutex_t mem_file_lock;
static void tracker_mem_find_store_server(FDFSGroupInfo *pGroup);
static int tracker_mem_find_trunk_server(FDFSGroupInfo *pGroup,
const bool save);
static int _tracker_mem_add_storage(FDFSGroupInfo *pGroup,
FDFSStorageDetail **ppStorageServer, const char *id,
const char *ip_addr, const bool bNeedSleep,
const bool bNeedLock, bool *bInserted);
static int tracker_mem_add_storage(TrackerClientInfo *pClientInfo,
const char *id, const char *ip_addr,
const bool bNeedSleep, const bool bNeedLock, bool *bInserted);
static int tracker_mem_add_storage_from_file(FDFSGroups *pGroups,
const char *data_path, TrackerClientInfo *pClientInfo,
const char *group_name, const char *storage_id, char *ip_addr);
static int tracker_mem_add_group_ex(FDFSGroups *pGroups,
TrackerClientInfo *pClientInfo, const char *group_name,
const bool bNeedSleep, bool *bInserted);
static int tracker_mem_destroy_groups(FDFSGroups *pGroups, const bool saveFiles);
char *g_tracker_sys_filenames[TRACKER_SYS_FILE_COUNT] = {
STORAGE_GROUPS_LIST_FILENAME_NEW,
STORAGE_SERVERS_LIST_FILENAME_NEW,
STORAGE_SYNC_TIMESTAMP_FILENAME,
STORAGE_SERVERS_CHANGELOG_FILENAME
};
#define TRACKER_CHOWN(path, current_uid, current_gid) \
if (!(g_run_by_gid == current_gid && g_run_by_uid == current_uid)) \
{ \
if (chown(path, g_run_by_uid, g_run_by_gid) != 0) \
{ \
logError("file: "__FILE__", line: %d, " \
"chown \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, path, \
errno, STRERROR(errno)); \
return errno != 0 ? errno : EPERM; \
} \
}
#define TRACKER_FCHOWN(fd, path, current_uid, current_gid) \
if (!(g_run_by_gid == current_gid && g_run_by_uid == current_uid)) \
{ \
if (fchown(fd, g_run_by_uid, g_run_by_gid) != 0) \
{ \
logError("file: "__FILE__", line: %d, " \
"chown \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, path, \
errno, STRERROR(errno)); \
return errno != 0 ? errno : EPERM; \
} \
}
int tracker_mem_pthread_lock()
{
int result;
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
int tracker_mem_pthread_unlock()
{
int result;
if ((result=pthread_mutex_unlock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
int tracker_mem_file_lock()
{
int result;
if ((result=pthread_mutex_lock(&mem_file_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
int tracker_mem_file_unlock()
{
int result;
if ((result=pthread_mutex_unlock(&mem_file_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
static int tracker_write_to_changelog(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pStorage, const char *pArg)
{
char buff[256];
int len;
int result;
tracker_mem_file_lock();
len = snprintf(buff, sizeof(buff), "%d %s %s %d %s\n", \
(int)g_current_time, pGroup->group_name, pStorage->id, \
pStorage->status, pArg != NULL ? pArg : "");
if (fc_safe_write(changelog_fd, buff, len) != len)
{
tracker_mem_file_unlock();
result = errno != 0 ? errno : EIO;
logError("file: "__FILE__", line: %d, " \
"write to file: %s fail, " \
"errno: %d, error info: %s", \
__LINE__, STORAGE_SERVERS_CHANGELOG_FILENAME, \
result, STRERROR(result));
return result;
}
g_changelog_fsize += len;
result = fsync(changelog_fd);
if (result != 0)
{
result = errno != 0 ? errno : EIO;
logError("file: "__FILE__", line: %d, " \
"call fsync of file: %s fail, " \
"errno: %d, error info: %s", \
__LINE__, STORAGE_SERVERS_CHANGELOG_FILENAME, \
result, STRERROR(result));
}
tracker_mem_file_unlock();
return result;
}
static int tracker_malloc_storage_path_mbs(FDFSStorageDetail *pStorage, \
const int store_path_count)
{
int alloc_bytes;
if (store_path_count <= 0)
{
return 0;
}
alloc_bytes = sizeof(int64_t) * store_path_count;
pStorage->path_total_mbs = (int64_t *)malloc(alloc_bytes);
if (pStorage->path_total_mbs == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, alloc_bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
pStorage->path_free_mbs = (int64_t *)malloc(alloc_bytes);
if (pStorage->path_free_mbs == NULL)
{
free(pStorage->path_total_mbs);
pStorage->path_total_mbs = NULL;
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, alloc_bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
memset(pStorage->path_total_mbs, 0, alloc_bytes);
memset(pStorage->path_free_mbs, 0, alloc_bytes);
return 0;
}
static int tracker_realloc_storage_path_mbs(FDFSStorageDetail *pStorage, \
const int old_store_path_count, const int new_store_path_count)
{
int alloc_bytes;
int copy_bytes;
int64_t *new_path_total_mbs;
int64_t *new_path_free_mbs;
if (new_store_path_count <= 0)
{
return EINVAL;
}
alloc_bytes = sizeof(int64_t) * new_store_path_count;
new_path_total_mbs = (int64_t *)malloc(alloc_bytes);
if (new_path_total_mbs == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, alloc_bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
new_path_free_mbs = (int64_t *)malloc(alloc_bytes);
if (new_path_free_mbs == NULL)
{
free(new_path_total_mbs);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, alloc_bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
memset(new_path_total_mbs, 0, alloc_bytes);
memset(new_path_free_mbs, 0, alloc_bytes);
if (old_store_path_count == 0)
{
pStorage->path_total_mbs = new_path_total_mbs;
pStorage->path_free_mbs = new_path_free_mbs;
return 0;
}
copy_bytes = (old_store_path_count < new_store_path_count ? \
old_store_path_count : new_store_path_count) * sizeof(int64_t);
memcpy(new_path_total_mbs, pStorage->path_total_mbs, copy_bytes);
memcpy(new_path_free_mbs, pStorage->path_free_mbs, copy_bytes);
free(pStorage->path_total_mbs);
free(pStorage->path_free_mbs);
pStorage->path_total_mbs = new_path_total_mbs;
pStorage->path_free_mbs = new_path_free_mbs;
return 0;
}
static int tracker_realloc_group_path_mbs(FDFSGroupInfo *pGroup, \
const int new_store_path_count)
{
FDFSStorageDetail **ppStorage;
FDFSStorageDetail **ppEnd;
int result;
ppEnd = pGroup->all_servers + pGroup->alloc_size;
for (ppStorage=pGroup->all_servers; ppStorage<ppEnd; ppStorage++)
{
if ((result=tracker_realloc_storage_path_mbs(*ppStorage, \
pGroup->store_path_count, new_store_path_count)) != 0)
{
return result;
}
}
pGroup->store_path_count = new_store_path_count;
return 0;
}
static int tracker_malloc_group_path_mbs(FDFSGroupInfo *pGroup)
{
FDFSStorageDetail **ppStorage;
FDFSStorageDetail **ppEnd;
int result;
ppEnd = pGroup->all_servers + pGroup->alloc_size;
for (ppStorage=pGroup->all_servers; ppStorage<ppEnd; ppStorage++)
{
if ((result=tracker_malloc_storage_path_mbs(*ppStorage, \
pGroup->store_path_count)) != 0)
{
return result;
}
}
return 0;
}
static int tracker_malloc_all_group_path_mbs(FDFSGroups *pGroups)
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
int result;
ppEnd = pGroups->groups + pGroups->alloc_size;
for (ppGroup=pGroups->groups; ppGroup<ppEnd; ppGroup++)
{
if ((*ppGroup)->store_path_count == 0)
{
continue;
}
if ((result=tracker_malloc_group_path_mbs(*ppGroup)) != 0)
{
return result;
}
}
return 0;
}
static int tracker_load_groups_old(FDFSGroups *pGroups, const char *data_path)
{
#define STORAGE_DATA_GROUP_FIELDS 4
FILE *fp;
char szLine[256];
char group_name[FDFS_GROUP_NAME_MAX_LEN + 1];
char *fields[STORAGE_DATA_GROUP_FIELDS];
int result;
int col_count;
TrackerClientInfo clientInfo;
bool bInserted;
if ((fp=fopen(STORAGE_GROUPS_LIST_FILENAME_OLD, "r")) == NULL)
{
logError("file: "__FILE__", line: %d, " \
"open file \"%s/%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, STORAGE_GROUPS_LIST_FILENAME_OLD, \
errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
result = 0;
while (fgets(szLine, sizeof(szLine), fp) != NULL)
{
if (*szLine == '\0')
{
continue;
}
col_count = splitEx(szLine, STORAGE_DATA_FIELD_SEPERATOR, \
fields, STORAGE_DATA_GROUP_FIELDS);
if (col_count != STORAGE_DATA_GROUP_FIELDS && \
col_count != STORAGE_DATA_GROUP_FIELDS - 2)
{
logError("file: "__FILE__", line: %d, " \
"the format of the file \"%s/%s\" is invalid", \
__LINE__, data_path, \
STORAGE_GROUPS_LIST_FILENAME_OLD);
result = errno != 0 ? errno : EINVAL;
break;
}
memset(&clientInfo, 0, sizeof(TrackerClientInfo));
snprintf(group_name, sizeof(group_name),\
"%s", trim(fields[0]));
if ((result=tracker_mem_add_group_ex(pGroups, &clientInfo, \
group_name, false, &bInserted)) != 0)
{
break;
}
if (!bInserted)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"group \"%s\" is duplicate", \
__LINE__, data_path, \
STORAGE_GROUPS_LIST_FILENAME_OLD, \
group_name);
result = errno != 0 ? errno : EEXIST;
break;
}
clientInfo.pGroup->storage_port = atoi(trim(fields[1]));
if (col_count == STORAGE_DATA_GROUP_FIELDS - 2)
{ //version < V1.12
clientInfo.pGroup->store_path_count = 0;
clientInfo.pGroup->subdir_count_per_path = 0;
}
else
{
clientInfo.pGroup->store_path_count = \
atoi(trim(fields[2]));
clientInfo.pGroup->subdir_count_per_path = \
atoi(trim(fields[3]));
}
}
fclose(fp);
return result;
}
static int tracker_mem_get_storage_id(const char *group_name, \
const char *pIpAddr, char *storage_id)
{
FDFSStorageIdInfo *pStorageIdInfo;
pStorageIdInfo = fdfs_get_storage_id_by_ip(group_name, pIpAddr);
if (pStorageIdInfo == NULL)
{
return ENOENT;
}
strcpy(storage_id, pStorageIdInfo->id);
return 0;
}
static int tracker_load_groups_new(FDFSGroups *pGroups, const char *data_path,
FDFSStorageSync **ppTrunkServers, int *nTrunkServerCount)
{
IniContext iniContext;
FDFSGroupInfo *pGroup;
char *group_name;
char *pValue;
int nStorageSyncSize;
int group_count;
int result;
int i;
char section_name[64];
TrackerClientInfo clientInfo;
bool bInserted;
*nTrunkServerCount = 0;
*ppTrunkServers = NULL;
if (!fileExists(STORAGE_GROUPS_LIST_FILENAME_NEW) && \
fileExists(STORAGE_GROUPS_LIST_FILENAME_OLD))
{
logDebug("file: "__FILE__", line: %d, " \
"convert old data file %s to new data file %s", \
__LINE__, STORAGE_GROUPS_LIST_FILENAME_OLD, \
STORAGE_GROUPS_LIST_FILENAME_NEW);
if ((result=tracker_load_groups_old(pGroups, data_path)) == 0)
{
if ((result=tracker_save_groups()) == 0)
{
unlink(STORAGE_GROUPS_LIST_FILENAME_OLD);
}
}
return result;
}
if ((result=iniLoadFromFile(STORAGE_GROUPS_LIST_FILENAME_NEW, \
&iniContext)) != 0)
{
return result;
}
group_count = iniGetIntValue(GROUP_SECTION_NAME_GLOBAL, \
GROUP_ITEM_GROUP_COUNT, \
&iniContext, -1);
if (group_count < 0)
{
iniFreeContext(&iniContext);
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"item \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_GROUPS_LIST_FILENAME_NEW, \
GROUP_ITEM_GROUP_COUNT);
return ENOENT;
}
nStorageSyncSize = 0;
for (i=1; i<=group_count; i++)
{
sprintf(section_name, "%s"GROUP_SECTION_NO_FORMAT, \
GROUP_SECTION_NAME_PREFIX, i);
group_name = iniGetStrValue(section_name, \
GROUP_ITEM_GROUP_NAME, &iniContext);
if (group_name == NULL)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"item \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_GROUPS_LIST_FILENAME_NEW, \
GROUP_ITEM_GROUP_NAME);
result = ENOENT;
break;
}
memset(&clientInfo, 0, sizeof(TrackerClientInfo));
if ((result=tracker_mem_add_group_ex(pGroups, &clientInfo, \
group_name, false, &bInserted)) != 0)
{
break;
}
if (!bInserted)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"group \"%s\" is duplicate", \
__LINE__, data_path, \
STORAGE_GROUPS_LIST_FILENAME_NEW, \
group_name);
result = errno != 0 ? errno : EEXIST;
break;
}
pGroup = clientInfo.pGroup;
pGroup->storage_port = iniGetIntValue(section_name, \
GROUP_ITEM_STORAGE_PORT, &iniContext, 0);
pGroup->storage_http_port = iniGetIntValue(section_name, \
GROUP_ITEM_STORAGE_HTTP_PORT, &iniContext, 0);
pGroup->store_path_count = iniGetIntValue(section_name, \
GROUP_ITEM_STORE_PATH_COUNT, &iniContext, 0);
pGroup->subdir_count_per_path = iniGetIntValue(section_name, \
GROUP_ITEM_SUBDIR_COUNT_PER_PATH, &iniContext, 0);
pGroup->current_trunk_file_id = iniGetIntValue(section_name, \
GROUP_ITEM_CURRENT_TRUNK_FILE_ID, &iniContext, 0);
pValue = iniGetStrValue(section_name, \
GROUP_ITEM_LAST_TRUNK_SERVER, &iniContext);
if (pValue != NULL)
{
snprintf(pGroup->last_trunk_server_id,
sizeof(pGroup->last_trunk_server_id), \
"%s", pValue);
if (g_use_storage_id && (*pValue != '\0' && \
!fdfs_is_server_id_valid(pValue)))
{
if (tracker_mem_get_storage_id( \
pGroup->group_name, pValue, \
pGroup->last_trunk_server_id) != 0)
{
logWarning("file: "__FILE__", line: %d,"\
"server id of group name: %s " \
"and last trunk ip address: %s"\
" NOT exist", __LINE__, \
pGroup->group_name, pValue);
*pGroup->last_trunk_server_id = '\0';
}
}
}
pValue = iniGetStrValue(section_name, \
GROUP_ITEM_TRUNK_SERVER, &iniContext);
if (pValue != NULL && *pValue != '\0')
{
if (nStorageSyncSize <= *nTrunkServerCount)
{
nStorageSyncSize += 8;
*ppTrunkServers = (FDFSStorageSync *)realloc( \
*ppTrunkServers, \
sizeof(FDFSStorageSync) * nStorageSyncSize);
if (*ppTrunkServers == NULL)
{
result = errno != 0 ? errno : ENOMEM;
logError("file: "__FILE__", line: %d, " \
"realloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageSync) * \
nStorageSyncSize);
break;
}
}
strcpy((*ppTrunkServers)[*nTrunkServerCount].group_name, \
clientInfo.pGroup->group_name);
snprintf((*ppTrunkServers)[*nTrunkServerCount].id, \
FDFS_STORAGE_ID_MAX_SIZE, "%s", pValue);
if (g_use_storage_id && !fdfs_is_server_id_valid(pValue))
{
if ((result=tracker_mem_get_storage_id( \
clientInfo.pGroup->group_name, pValue, \
(*ppTrunkServers)[*nTrunkServerCount].id)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"server id of group name: %s and " \
"trunk server ip address: %s NOT " \
"exist", __LINE__, \
clientInfo.pGroup->group_name, pValue);
break;
}
}
(*nTrunkServerCount)++;
}
}
iniFreeContext(&iniContext);
return result;
}
static int tracker_locate_group_trunk_servers(FDFSGroups *pGroups, \
FDFSStorageSync *pTrunkServers, \
const int nTrunkServerCount, const bool bLoadFromFile)
{
FDFSGroupInfo *pGroup;
FDFSStorageDetail *pStorage;
FDFSStorageSync *pServer;
FDFSStorageSync *pTrunkEnd;
if (nTrunkServerCount == 0)
{
return 0;
}
pTrunkEnd = pTrunkServers + nTrunkServerCount;
for (pServer=pTrunkServers; pServer<pTrunkEnd; pServer++)
{
pGroup = tracker_mem_get_group_ex(pGroups, \
pServer->group_name);
if (pGroup == NULL)
{
continue;
}
pStorage = tracker_mem_get_storage(pGroup, pServer->id);
if (pStorage == NULL)
{
char buff[MAX_PATH_SIZE+64];
if (bLoadFromFile)
{
snprintf(buff, sizeof(buff), \
"in the file \"%s/data/%s\", ", \
g_fdfs_base_path, \
STORAGE_GROUPS_LIST_FILENAME_NEW);
}
else
{
*buff = '\0';
}
logError("file: "__FILE__", line: %d, " \
"%sgroup_name: %s, trunk server \"%s\" " \
"does not exist", __LINE__, buff, \
pServer->group_name, pServer->id);
return ENOENT;
}
pGroup->pTrunkServer = pStorage;
pGroup->trunk_chg_count++;
if (*(pGroup->last_trunk_server_id) == '\0')
{
strcpy(pGroup->last_trunk_server_id, pStorage->id);
}
}
return 0;
}
static int tracker_locate_storage_sync_server(FDFSGroups *pGroups, \
FDFSStorageSync *pStorageSyncs, \
const int nStorageSyncCount, const bool bLoadFromFile)
{
FDFSGroupInfo *pGroup;
FDFSStorageDetail *pStorage;
FDFSStorageSync *pSyncServer;
FDFSStorageSync *pSyncEnd;
if (nStorageSyncCount == 0)
{
return 0;
}
pSyncEnd = pStorageSyncs + nStorageSyncCount;
for (pSyncServer=pStorageSyncs; pSyncServer<pSyncEnd; pSyncServer++)
{
pGroup = tracker_mem_get_group_ex(pGroups, \
pSyncServer->group_name);
if (pGroup == NULL)
{
continue;
}
pStorage=tracker_mem_get_storage(pGroup, pSyncServer->id);
if (pStorage == NULL)
{
continue;
}
pStorage->psync_src_server = tracker_mem_get_storage(pGroup, \
pSyncServer->sync_src_id);
if (pStorage->psync_src_server == NULL)
{
char buff[MAX_PATH_SIZE+64];
if (bLoadFromFile)
{
snprintf(buff, sizeof(buff), \
"in the file \"%s/data/%s\", ", \
g_fdfs_base_path, \
STORAGE_SERVERS_LIST_FILENAME_NEW);
}
else
{
*buff = '\0';
}
logError("file: "__FILE__", line: %d, " \
"%sgroup_name: %s, storage server \"%s\" " \
"does not exist", __LINE__, buff, \
pSyncServer->group_name, \
pSyncServer->sync_src_id);
return ENOENT;
}
}
return 0;
}
static int tracker_load_storages_old(FDFSGroups *pGroups, const char *data_path)
{
#define STORAGE_DATA_SERVER_FIELDS 22
FILE *fp;
char szLine[256];
char group_name[FDFS_GROUP_NAME_MAX_LEN + 1];
char *fields[STORAGE_DATA_SERVER_FIELDS];
char ip_addr[IP_ADDRESS_SIZE];
char *psync_src_id;
FDFSStorageDetail *pStorage;
FDFSStorageSync *pStorageSyncs;
int nStorageSyncSize;
int nStorageSyncCount;
int cols;
int result;
TrackerClientInfo clientInfo;
bool bInserted;
if ((fp=fopen(STORAGE_SERVERS_LIST_FILENAME_OLD, "r")) == NULL)
{
logError("file: "__FILE__", line: %d, " \
"open file \"%s/%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, STORAGE_SERVERS_LIST_FILENAME_OLD, \
errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
nStorageSyncSize = 0;
nStorageSyncCount = 0;
pStorageSyncs = NULL;
result = 0;
while (fgets(szLine, sizeof(szLine), fp) != NULL)
{
if (*szLine == '\0')
{
continue;
}
cols = splitEx(szLine, STORAGE_DATA_FIELD_SEPERATOR, \
fields, STORAGE_DATA_SERVER_FIELDS);
if (cols != STORAGE_DATA_SERVER_FIELDS && \
cols != STORAGE_DATA_SERVER_FIELDS - 2 && \
cols != STORAGE_DATA_SERVER_FIELDS - 4 && \
cols != STORAGE_DATA_SERVER_FIELDS - 5)
{
logError("file: "__FILE__", line: %d, " \
"the format of the file \"%s/%s\" is invalid" \
", colums: %d != expect colums: " \
"%d or %d or %d or %d", \
__LINE__, data_path, \
STORAGE_SERVERS_LIST_FILENAME_OLD, \
cols, STORAGE_DATA_SERVER_FIELDS, \
STORAGE_DATA_SERVER_FIELDS - 2, \
STORAGE_DATA_SERVER_FIELDS - 4, \
STORAGE_DATA_SERVER_FIELDS - 5);
result = EINVAL;
break;
}
memset(&clientInfo, 0, sizeof(TrackerClientInfo));
snprintf(group_name, sizeof(group_name), "%s", trim(fields[0]));
snprintf(ip_addr, sizeof(ip_addr), "%s", trim(fields[1]));
if ((clientInfo.pGroup=tracker_mem_get_group_ex(pGroups, \
group_name)) == NULL)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"group \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_SERVERS_LIST_FILENAME_OLD, \
group_name);
result = errno != 0 ? errno : ENOENT;
break;
}
if ((result=tracker_mem_add_storage(&clientInfo, NULL, ip_addr,
false, false, &bInserted)) != 0)
{
break;
}
if (!bInserted)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"storage \"%s\" is duplicate", \
__LINE__, data_path, \
STORAGE_SERVERS_LIST_FILENAME_OLD, ip_addr);
result = errno != 0 ? errno : EEXIST;
break;
}
pStorage = clientInfo.pStorage;
pStorage->status = atoi(trim_left(fields[2]));
if (!((pStorage->status == \
FDFS_STORAGE_STATUS_WAIT_SYNC) || \
(pStorage->status == \
FDFS_STORAGE_STATUS_SYNCING) || \
(pStorage->status == \
FDFS_STORAGE_STATUS_INIT)))
{
pStorage->status = \
FDFS_STORAGE_STATUS_OFFLINE;
}
psync_src_id = trim(fields[3]);
pStorage->sync_until_timestamp = atoi( \
trim_left(fields[4]));
pStorage->stat.total_upload_count = strtoll( \
trim_left(fields[5]), NULL, 10);
pStorage->stat.success_upload_count = strtoll( \
trim_left(fields[6]), NULL, 10);
pStorage->stat.total_set_meta_count = strtoll( \
trim_left(fields[7]), NULL, 10);
pStorage->stat.success_set_meta_count = strtoll( \
trim_left(fields[8]), NULL, 10);
pStorage->stat.total_delete_count = strtoll( \
trim_left(fields[9]), NULL, 10);
pStorage->stat.success_delete_count = strtoll( \
trim_left(fields[10]), NULL, 10);
pStorage->stat.total_download_count = strtoll( \
trim_left(fields[11]), NULL, 10);
pStorage->stat.success_download_count = strtoll( \
trim_left(fields[12]), NULL, 10);
pStorage->stat.total_get_meta_count = strtoll( \
trim_left(fields[13]), NULL, 10);
pStorage->stat.success_get_meta_count = strtoll( \
trim_left(fields[14]), NULL, 10);
pStorage->stat.last_source_update = atoi( \
trim_left(fields[15]));
pStorage->stat.last_sync_update = atoi( \
trim_left(fields[16]));
if (cols > STORAGE_DATA_SERVER_FIELDS - 5)
{
pStorage->changelog_offset = strtoll( \
trim_left(fields[17]), NULL, 10);
if (pStorage->changelog_offset < 0)
{
pStorage->changelog_offset = 0;
}
if (pStorage->changelog_offset > \
g_changelog_fsize)
{
pStorage->changelog_offset = \
g_changelog_fsize;
}
if (cols > STORAGE_DATA_SERVER_FIELDS - 4)
{
pStorage->storage_port = \
atoi(trim_left(fields[18]));
pStorage->storage_http_port = \
atoi(trim_left(fields[19]));
if (cols > STORAGE_DATA_SERVER_FIELDS - 2)
{
pStorage->join_time = \
(time_t)atoi(trim_left(fields[20]));
snprintf(pStorage->version, \
sizeof(pStorage->version),
"%s", trim(fields[21]));
}
}
}
if (*psync_src_id == '\0')
{
continue;
}
if (nStorageSyncSize <= nStorageSyncCount)
{
nStorageSyncSize += 8;
pStorageSyncs = (FDFSStorageSync *)realloc( \
pStorageSyncs, \
sizeof(FDFSStorageSync) * nStorageSyncSize);
if (pStorageSyncs == NULL)
{
result = errno != 0 ? errno : ENOMEM;
logError("file: "__FILE__", line: %d, " \
"realloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageSync) * \
nStorageSyncSize);
break;
}
}
strcpy(pStorageSyncs[nStorageSyncCount].group_name, \
clientInfo.pGroup->group_name);
strcpy(pStorageSyncs[nStorageSyncCount].id, pStorage->id);
snprintf(pStorageSyncs[nStorageSyncCount].sync_src_id, \
FDFS_STORAGE_ID_MAX_SIZE, "%s", psync_src_id);
nStorageSyncCount++;
}
fclose(fp);
if (pStorageSyncs == NULL)
{
return result;
}
if (result != 0)
{
free(pStorageSyncs);
return result;
}
result = tracker_locate_storage_sync_server(pGroups, pStorageSyncs, \
nStorageSyncCount, true);
free(pStorageSyncs);
return result;
}
static int tracker_load_storages_new(FDFSGroups *pGroups, const char *data_path)
{
IniContext iniContext;
char *group_name;
char *storage_id;
char *ip_addr;
char *psync_src_id;
char *pValue;
FDFSStorageDetail *pStorage;
FDFSStorageStat *pStat;
FDFSStorageSync *pStorageSyncs;
int nStorageSyncSize;
int nStorageSyncCount;
int storage_count;
int i;
int result;
char section_name[64];
TrackerClientInfo clientInfo;
if (!fileExists(STORAGE_SERVERS_LIST_FILENAME_NEW) && \
fileExists(STORAGE_SERVERS_LIST_FILENAME_OLD))
{
logDebug("file: "__FILE__", line: %d, " \
"convert old data file %s to new data file %s", \
__LINE__, STORAGE_SERVERS_LIST_FILENAME_OLD, \
STORAGE_SERVERS_LIST_FILENAME_NEW);
if ((result=tracker_load_storages_old(pGroups, data_path)) == 0)
{
if ((result=tracker_save_storages()) == 0)
{
unlink(STORAGE_SERVERS_LIST_FILENAME_OLD);
}
}
return result;
}
if ((result=iniLoadFromFile(STORAGE_SERVERS_LIST_FILENAME_NEW, \
&iniContext)) != 0)
{
return result;
}
storage_count = iniGetIntValue(STORAGE_SECTION_NAME_GLOBAL, \
STORAGE_ITEM_STORAGE_COUNT, \
&iniContext, -1);
if (storage_count < 0)
{
iniFreeContext(&iniContext);
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"item \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_SERVERS_LIST_FILENAME_NEW, \
STORAGE_ITEM_STORAGE_COUNT);
return ENOENT;
}
nStorageSyncSize = 0;
nStorageSyncCount = 0;
pStorageSyncs = NULL;
result = 0;
for (i=1; i<=storage_count; i++)
{
sprintf(section_name, "%s"STORAGE_SECTION_NO_FORMAT, \
STORAGE_SECTION_NAME_PREFIX, i);
group_name = iniGetStrValue(section_name, \
STORAGE_ITEM_GROUP_NAME, &iniContext);
if (group_name == NULL)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"item \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_SERVERS_LIST_FILENAME_NEW, \
STORAGE_ITEM_GROUP_NAME);
result = ENOENT;
break;
}
storage_id = iniGetStrValue(section_name, \
STORAGE_ITEM_SERVER_ID, &iniContext);
ip_addr = iniGetStrValue(section_name, \
STORAGE_ITEM_IP_ADDR, &iniContext);
if ((result=tracker_mem_add_storage_from_file(pGroups,
data_path, &clientInfo, group_name,
storage_id, ip_addr)) != 0)
{
break;
}
pStorage = clientInfo.pStorage;
pStat = &(pStorage->stat);
pStorage->status = iniGetIntValue(section_name, \
STORAGE_ITEM_STATUS, &iniContext, 0);
pValue = iniGetStrValue(section_name, \
STORAGE_ITEM_DOMAIN_NAME, &iniContext);
if (pValue != NULL)
{
snprintf(pStorage->domain_name, \
sizeof(pStorage->domain_name), "%s", pValue);
}
pValue = iniGetStrValue(section_name, \
STORAGE_ITEM_VERSION, &iniContext);
if (pValue != NULL)
{
snprintf(pStorage->version, \
sizeof(pStorage->version), "%s", pValue);
}
if (!((pStorage->status == \
FDFS_STORAGE_STATUS_WAIT_SYNC) || \
(pStorage->status == \
FDFS_STORAGE_STATUS_SYNCING) || \
(pStorage->status == \
FDFS_STORAGE_STATUS_INIT)))
{
pStorage->status = FDFS_STORAGE_STATUS_OFFLINE;
}
psync_src_id = iniGetStrValue(section_name, \
STORAGE_ITEM_SYNC_SRC_SERVER, &iniContext);
if (psync_src_id == NULL)
{
psync_src_id = "";
}
pStorage->sync_until_timestamp = iniGetIntValue(section_name, \
STORAGE_ITEM_SYNC_UNTIL_TIMESTAMP, &iniContext, 0);
pStorage->join_time = iniGetIntValue(section_name, \
STORAGE_ITEM_JOIN_TIME, &iniContext, 0);
pStorage->total_mb = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_MB, &iniContext, 0);
pStorage->free_mb = iniGetInt64Value(section_name, \
STORAGE_ITEM_FREE_MB, &iniContext, 0);
pStorage->store_path_count = iniGetIntValue(section_name, \
STORAGE_ITEM_STORE_PATH_COUNT, &iniContext, 0);
pStorage->subdir_count_per_path = iniGetIntValue(section_name, \
STORAGE_ITEM_SUBDIR_COUNT_PER_PATH, &iniContext, 0);
pStorage->upload_priority = iniGetIntValue(section_name, \
STORAGE_ITEM_UPLOAD_PRIORITY, &iniContext, 0);
pStorage->storage_port = iniGetIntValue(section_name, \
STORAGE_ITEM_STORAGE_PORT, &iniContext, 0);
pStorage->storage_http_port = iniGetIntValue(section_name, \
STORAGE_ITEM_STORAGE_HTTP_PORT, &iniContext, 0);
pStat->total_upload_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_UPLOAD_COUNT, &iniContext, 0);
pStat->success_upload_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_UPLOAD_COUNT, &iniContext, 0);
pStat->total_append_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_APPEND_COUNT, &iniContext, 0);
pStat->success_append_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_APPEND_COUNT, &iniContext, 0);
pStat->total_set_meta_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_SET_META_COUNT, &iniContext, 0);
pStat->success_set_meta_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_SET_META_COUNT, &iniContext, 0);
pStat->total_delete_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_DELETE_COUNT, &iniContext, 0);
pStat->success_delete_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_DELETE_COUNT, &iniContext, 0);
pStat->total_download_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_DOWNLOAD_COUNT, &iniContext, 0);
pStat->success_download_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_DOWNLOAD_COUNT, &iniContext, 0);
pStat->total_get_meta_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_GET_META_COUNT, &iniContext, 0);
pStat->success_get_meta_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_GET_META_COUNT, &iniContext, 0);
pStat->total_create_link_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_CREATE_LINK_COUNT, &iniContext, 0);
pStat->success_create_link_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_CREATE_LINK_COUNT, &iniContext, 0);
pStat->total_delete_link_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_DELETE_LINK_COUNT, &iniContext, 0);
pStat->success_delete_link_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_DELETE_LINK_COUNT, &iniContext, 0);
pStat->total_upload_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_UPLOAD_BYTES, &iniContext, 0);
pStat->success_upload_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_UPLOAD_BYTES, &iniContext, 0);
pStat->total_append_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_APPEND_BYTES, &iniContext, 0);
pStat->success_append_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_APPEND_BYTES, &iniContext, 0);
pStat->total_download_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_DOWNLOAD_BYTES, &iniContext, 0);
pStat->success_download_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_DOWNLOAD_BYTES, &iniContext, 0);
pStat->total_sync_in_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_SYNC_IN_BYTES, &iniContext, 0);
pStat->success_sync_in_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_SYNC_IN_BYTES, &iniContext, 0);
pStat->total_sync_out_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_SYNC_OUT_BYTES, &iniContext, 0);
pStat->success_sync_out_bytes = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_SYNC_OUT_BYTES, &iniContext, 0);
pStat->total_file_open_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_FILE_OPEN_COUNT, &iniContext, 0);
pStat->success_file_open_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_FILE_OPEN_COUNT, &iniContext, 0);
pStat->total_file_read_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_FILE_READ_COUNT, &iniContext, 0);
pStat->success_file_read_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_FILE_READ_COUNT, &iniContext, 0);
pStat->total_file_write_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_TOTAL_FILE_WRITE_COUNT, &iniContext, 0);
pStat->success_file_write_count = iniGetInt64Value(section_name, \
STORAGE_ITEM_SUCCESS_FILE_WRITE_COUNT, &iniContext, 0);
pStat->last_source_update = iniGetIntValue(section_name, \
STORAGE_ITEM_LAST_SOURCE_UPDATE, &iniContext, 0);
pStat->last_sync_update = iniGetIntValue(section_name, \
STORAGE_ITEM_LAST_SYNC_UPDATE, &iniContext, 0);
pStat->last_synced_timestamp = iniGetIntValue(section_name, \
STORAGE_ITEM_LAST_SYNCED_TIMESTAMP, &iniContext, 0);
pStat->last_heart_beat_time = iniGetIntValue(section_name, \
STORAGE_ITEM_LAST_HEART_BEAT_TIME, &iniContext, 0);
pStorage->changelog_offset = iniGetInt64Value(section_name, \
STORAGE_ITEM_CHANGELOG_OFFSET, &iniContext, 0);
if (*psync_src_id == '\0')
{
continue;
}
if (nStorageSyncSize <= nStorageSyncCount)
{
if (nStorageSyncSize == 0)
{
nStorageSyncSize = 8;
}
else
{
nStorageSyncSize *= 2;
}
pStorageSyncs = (FDFSStorageSync *)realloc( \
pStorageSyncs, \
sizeof(FDFSStorageSync) * nStorageSyncSize);
if (pStorageSyncs == NULL)
{
result = errno != 0 ? errno : ENOMEM;
logError("file: "__FILE__", line: %d, " \
"realloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageSync) * \
nStorageSyncSize);
break;
}
}
strcpy(pStorageSyncs[nStorageSyncCount].group_name, \
clientInfo.pGroup->group_name);
strcpy(pStorageSyncs[nStorageSyncCount].id, pStorage->id);
snprintf(pStorageSyncs[nStorageSyncCount].sync_src_id, \
FDFS_STORAGE_ID_MAX_SIZE, "%s", psync_src_id);
if (g_use_storage_id && !fdfs_is_server_id_valid( \
psync_src_id))
{
if ((result=tracker_mem_get_storage_id( \
clientInfo.pGroup->group_name, psync_src_id, \
pStorageSyncs[nStorageSyncCount].sync_src_id))\
!= 0)
{
logError("file: "__FILE__", line: %d, " \
"server id of group name: %s and " \
"src storage ip address: %s NOT " \
"exist", __LINE__, \
clientInfo.pGroup->group_name, \
psync_src_id);
break;
}
}
nStorageSyncCount++;
}
iniFreeContext(&iniContext);
if (pStorageSyncs == NULL)
{
return result;
}
if (result != 0)
{
free(pStorageSyncs);
return result;
}
result = tracker_locate_storage_sync_server(pGroups, pStorageSyncs, \
nStorageSyncCount, true);
free(pStorageSyncs);
return result;
}
static int tracker_load_sync_timestamps(FDFSGroups *pGroups, const char *data_path)
{
#define STORAGE_SYNC_TIME_MAX_FIELDS 2 + FDFS_MAX_SERVERS_EACH_GROUP
FILE *fp;
char szLine[512];
char group_name[FDFS_GROUP_NAME_MAX_LEN + 1];
char previous_group_name[FDFS_GROUP_NAME_MAX_LEN + 1];
char src_storage_id[FDFS_STORAGE_ID_MAX_SIZE];
char *fields[STORAGE_SYNC_TIME_MAX_FIELDS];
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
FDFSGroupInfo *pGroup;
int cols;
int src_index;
int dest_index;
int curr_synced_timestamp;
int result;
if (!fileExists(STORAGE_SYNC_TIMESTAMP_FILENAME))
{
return 0;
}
if ((fp=fopen(STORAGE_SYNC_TIMESTAMP_FILENAME, "r")) == NULL)
{
logError("file: "__FILE__", line: %d, " \
"open file \"%s/%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, STORAGE_SYNC_TIMESTAMP_FILENAME, \
errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
pGroup = NULL;
src_index = 0;
*previous_group_name = '\0';
result = 0;
while (fgets(szLine, sizeof(szLine), fp) != NULL)
{
if (*szLine == '\0' || *szLine == '\n')
{
continue;
}
if ((cols=splitEx(szLine, STORAGE_DATA_FIELD_SEPERATOR, \
fields, STORAGE_SYNC_TIME_MAX_FIELDS)) <= 2)
{
logError("file: "__FILE__", line: %d, " \
"the format of the file \"%s/%s\" is invalid" \
", colums: %d <= 2", \
__LINE__, data_path, \
STORAGE_SYNC_TIMESTAMP_FILENAME, cols);
result = errno != 0 ? errno : EINVAL;
break;
}
snprintf(group_name, sizeof(group_name), \
"%s", trim(fields[0]));
snprintf(src_storage_id, sizeof(src_storage_id), \
"%s", trim(fields[1]));
if (strcmp(group_name, previous_group_name) != 0 || \
pGroup == NULL)
{
if ((pGroup=tracker_mem_get_group_ex(pGroups, \
group_name)) == NULL)
{
logError("file: "__FILE__", line: %d, " \
"in the file \"%s/%s\", " \
"group \"%s\" is not found", \
__LINE__, data_path, \
STORAGE_SYNC_TIMESTAMP_FILENAME, \
group_name);
result = errno != 0 ? errno : ENOENT;
break;
}
strcpy(previous_group_name, group_name);
src_index = 0;
}
if (src_index >= pGroup->count)
{
logError("file: "__FILE__", line: %d, " \
"the format of the file \"%s/%s\" is invalid" \
", group: %s, row count:%d > server count:%d",\
__LINE__, data_path, \
STORAGE_SYNC_TIMESTAMP_FILENAME, \
group_name, src_index+1, pGroup->count);
result = errno != 0 ? errno : EINVAL;
break;
}
if (g_use_storage_id && !fdfs_is_server_id_valid( \
src_storage_id))
{
if ((result=tracker_mem_get_storage_id( \
group_name, src_storage_id, \
src_storage_id)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"server id of group name: %s and " \
"storage ip address: %s NOT " \
"exist", __LINE__, \
group_name, src_storage_id);
break;
}
}
if (strcmp(pGroup->all_servers[src_index]->id, \
src_storage_id) != 0)
{
logError("file: "__FILE__", line: %d, " \
"in data file: \"%s/%s\", " \
"group: %s, src server id: %s != %s",\
__LINE__, data_path, \
STORAGE_SYNC_TIMESTAMP_FILENAME, \
group_name, src_storage_id, \
pGroup->all_servers[src_index]->id);
result = errno != 0 ? errno : EINVAL;
break;
}
if (cols > pGroup->count + 2)
{
logError("file: "__FILE__", line: %d, " \
"the format of the file \"%s/%s\" is invalid" \
", group_name: %s, colums: %d > %d", \
__LINE__, data_path, \
STORAGE_SYNC_TIMESTAMP_FILENAME, \
group_name, cols, pGroup->count + 2);
result = errno != 0 ? errno : EINVAL;
break;
}
for (dest_index=0; dest_index<cols-2; dest_index++)
{
pGroup->last_sync_timestamps[src_index][dest_index] = \
atoi(trim_left(fields[2 + dest_index]));
}
src_index++;
}
fclose(fp);
if (result != 0)
{
return result;
}
ppEnd = pGroups->groups + pGroups->count;
for (ppGroup=pGroups->groups; ppGroup<ppEnd; ppGroup++)
{
if ((*ppGroup)->count <= 1)
{
continue;
}
for (dest_index=0; dest_index<(*ppGroup)->count; dest_index++)
{
if (pGroups->store_server == FDFS_STORE_SERVER_ROUND_ROBIN)
{
int min_synced_timestamp;
min_synced_timestamp = 0;
for (src_index=0; src_index<(*ppGroup)->count; \
src_index++)
{
if (src_index == dest_index)
{
continue;
}
curr_synced_timestamp = \
(*ppGroup)->last_sync_timestamps \
[src_index][dest_index];
if (curr_synced_timestamp == 0)
{
continue;
}
if (min_synced_timestamp == 0)
{
min_synced_timestamp = \
curr_synced_timestamp;
}
else if (curr_synced_timestamp < \
min_synced_timestamp)
{
min_synced_timestamp = \
curr_synced_timestamp;
}
}
(*ppGroup)->all_servers[dest_index]->stat. \
last_synced_timestamp = min_synced_timestamp;
}
else
{
int max_synced_timestamp;
max_synced_timestamp = 0;
for (src_index=0; src_index<(*ppGroup)->count; \
src_index++)
{
if (src_index == dest_index)
{
continue;
}
curr_synced_timestamp = \
(*ppGroup)->last_sync_timestamps \
[src_index][dest_index];
if (curr_synced_timestamp > \
max_synced_timestamp)
{
max_synced_timestamp = \
curr_synced_timestamp;
}
}
(*ppGroup)->all_servers[dest_index]->stat. \
last_synced_timestamp = max_synced_timestamp;
}
}
}
return result;
}
static int tracker_load_data(FDFSGroups *pGroups)
{
char data_path[MAX_PATH_SIZE];
int result;
FDFSStorageSync *pTrunkServers;
int nTrunkServerCount;
snprintf(data_path, sizeof(data_path), "%s/data", g_fdfs_base_path);
if (!fileExists(data_path))
{
if (mkdir(data_path, 0755) != 0)
{
logError("file: "__FILE__", line: %d, " \
"mkdir \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
TRACKER_CHOWN(data_path, geteuid(), getegid())
}
if (chdir(data_path) != 0)
{
logError("file: "__FILE__", line: %d, " \
"chdir \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
if (!fileExists(STORAGE_GROUPS_LIST_FILENAME_OLD) && \
!fileExists(STORAGE_GROUPS_LIST_FILENAME_NEW))
{
return 0;
}
if ((result=tracker_load_groups_new(pGroups, data_path, \
&pTrunkServers, &nTrunkServerCount)) != 0)
{
return result;
}
if ((result=tracker_load_storages_new(pGroups, data_path)) != 0)
{
return result;
}
if ((result=tracker_malloc_all_group_path_mbs(pGroups)) != 0)
{
return result;
}
if ((result=tracker_load_sync_timestamps(pGroups, data_path)) != 0)
{
return result;
}
if (g_if_use_trunk_file)
{
if ((result=tracker_locate_group_trunk_servers(pGroups, \
pTrunkServers, nTrunkServerCount, true)) != 0)
{
return result;
}
}
if (pTrunkServers != NULL)
{
free(pTrunkServers);
}
return 0;
}
int tracker_save_groups()
{
char tmpFilename[MAX_PATH_SIZE];
char trueFilename[MAX_PATH_SIZE];
char buff[FDFS_GROUP_NAME_MAX_LEN + 256];
int fd;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
int result;
int len;
tracker_mem_file_lock();
snprintf(trueFilename, sizeof(trueFilename), "%s/data/%s", \
g_fdfs_base_path, STORAGE_GROUPS_LIST_FILENAME_NEW);
snprintf(tmpFilename, sizeof(tmpFilename), "%s.tmp", trueFilename);
if ((fd=open(tmpFilename, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, " \
"open \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
len = sprintf(buff, \
"# global section\n" \
"[%s]\n" \
"\t%s=%d\n\n", \
GROUP_SECTION_NAME_GLOBAL, \
GROUP_ITEM_GROUP_COUNT, g_groups.count);
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
else
{
result = 0;
ppEnd = g_groups.sorted_groups + g_groups.count;
for (ppGroup=g_groups.sorted_groups; ppGroup<ppEnd; ppGroup++)
{
len = sprintf(buff, \
"# group: %s\n" \
"[%s"GROUP_SECTION_NO_FORMAT"]\n" \
"\t%s=%s\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%s\n" \
"\t%s=%s\n\n", \
(*ppGroup)->group_name, \
GROUP_SECTION_NAME_PREFIX, \
(int)(ppGroup - g_groups.sorted_groups) + 1, \
GROUP_ITEM_GROUP_NAME, \
(*ppGroup)->group_name, \
GROUP_ITEM_STORAGE_PORT, \
(*ppGroup)->storage_port, \
GROUP_ITEM_STORAGE_HTTP_PORT, \
(*ppGroup)->storage_http_port, \
GROUP_ITEM_STORE_PATH_COUNT, \
(*ppGroup)->store_path_count, \
GROUP_ITEM_SUBDIR_COUNT_PER_PATH, \
(*ppGroup)->subdir_count_per_path, \
GROUP_ITEM_CURRENT_TRUNK_FILE_ID, \
(*ppGroup)->current_trunk_file_id, \
GROUP_ITEM_TRUNK_SERVER, \
(*ppGroup)->pTrunkServer != NULL ? \
(*ppGroup)->pTrunkServer->id : "",
GROUP_ITEM_LAST_TRUNK_SERVER, \
(*ppGroup)->last_trunk_server_id
);
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
break;
}
}
}
if (result == 0)
{
if (fsync(fd) != 0)
{
logError("file: "__FILE__", line: %d, " \
"fsync file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
}
close(fd);
if (result == 0)
{
if (rename(tmpFilename, trueFilename) != 0)
{
logError("file: "__FILE__", line: %d, " \
"rename file \"%s\" to \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, trueFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
TRACKER_CHOWN(trueFilename, geteuid(), getegid())
}
if (result != 0)
{
unlink(tmpFilename);
}
tracker_mem_file_unlock();
return result;
}
int tracker_save_storages()
{
char tmpFilename[MAX_PATH_SIZE];
char trueFilename[MAX_PATH_SIZE];
char buff[4096];
char id_buff[128];
int fd;
int len;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
FDFSStorageDetail **ppStorage;
FDFSStorageDetail **ppStorageEnd;
FDFSStorageDetail *pStorage;
int result;
int count;
tracker_mem_file_lock();
snprintf(trueFilename, sizeof(trueFilename), "%s/data/%s", \
g_fdfs_base_path, STORAGE_SERVERS_LIST_FILENAME_NEW);
snprintf(tmpFilename, sizeof(tmpFilename), "%s.tmp", trueFilename);
if ((fd=open(tmpFilename, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, " \
"open \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
*id_buff = '\0';
count = 0;
result = 0;
ppGroupEnd = g_groups.sorted_groups + g_groups.count;
for (ppGroup=g_groups.sorted_groups; \
(ppGroup < ppGroupEnd) && (result == 0); ppGroup++)
{
ppStorageEnd = (*ppGroup)->all_servers + (*ppGroup)->count;
for (ppStorage=(*ppGroup)->all_servers; \
ppStorage<ppStorageEnd; ppStorage++)
{
pStorage = *ppStorage;
if (pStorage->status == FDFS_STORAGE_STATUS_DELETED
|| pStorage->status == FDFS_STORAGE_STATUS_IP_CHANGED)
{
continue;
}
if (g_use_storage_id)
{
sprintf(id_buff, "\t%s=%s\n",
STORAGE_ITEM_SERVER_ID, pStorage->id);
}
count++;
len = sprintf(buff, \
"# storage %s:%d\n" \
"[%s"STORAGE_SECTION_NO_FORMAT"]\n" \
"%s" \
"\t%s=%s\n" \
"\t%s=%s\n" \
"\t%s=%d\n" \
"\t%s=%s\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%s\n" \
"\t%s=%s\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%"PRId64"\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%d\n" \
"\t%s=%"PRId64"\n\n", \
FDFS_CURRENT_IP_ADDR(pStorage), \
pStorage->storage_port, \
STORAGE_SECTION_NAME_PREFIX, count, id_buff, \
STORAGE_ITEM_GROUP_NAME, \
(*ppGroup)->group_name, \
STORAGE_ITEM_IP_ADDR, FDFS_CURRENT_IP_ADDR(pStorage), \
STORAGE_ITEM_STATUS, pStorage->status, \
STORAGE_ITEM_VERSION, pStorage->version, \
STORAGE_ITEM_JOIN_TIME, \
(int)pStorage->join_time, \
STORAGE_ITEM_STORAGE_PORT, \
pStorage->storage_port, \
STORAGE_ITEM_STORAGE_HTTP_PORT, \
pStorage->storage_http_port, \
STORAGE_ITEM_DOMAIN_NAME, \
pStorage->domain_name, \
STORAGE_ITEM_SYNC_SRC_SERVER, \
(pStorage->psync_src_server != NULL ? \
pStorage->psync_src_server->id: ""), \
STORAGE_ITEM_SYNC_UNTIL_TIMESTAMP, \
(int)pStorage->sync_until_timestamp, \
STORAGE_ITEM_STORE_PATH_COUNT, \
pStorage->store_path_count, \
STORAGE_ITEM_SUBDIR_COUNT_PER_PATH, \
pStorage->subdir_count_per_path, \
STORAGE_ITEM_UPLOAD_PRIORITY, \
pStorage->upload_priority, \
STORAGE_ITEM_TOTAL_MB, pStorage->total_mb, \
STORAGE_ITEM_FREE_MB, pStorage->free_mb, \
STORAGE_ITEM_TOTAL_UPLOAD_COUNT, \
pStorage->stat.total_upload_count, \
STORAGE_ITEM_SUCCESS_UPLOAD_COUNT, \
pStorage->stat.success_upload_count, \
STORAGE_ITEM_TOTAL_APPEND_COUNT, \
pStorage->stat.total_append_count, \
STORAGE_ITEM_SUCCESS_APPEND_COUNT, \
pStorage->stat.success_append_count, \
STORAGE_ITEM_TOTAL_SET_META_COUNT, \
pStorage->stat.total_set_meta_count, \
STORAGE_ITEM_SUCCESS_SET_META_COUNT, \
pStorage->stat.success_set_meta_count, \
STORAGE_ITEM_TOTAL_DELETE_COUNT, \
pStorage->stat.total_delete_count, \
STORAGE_ITEM_SUCCESS_DELETE_COUNT, \
pStorage->stat.success_delete_count, \
STORAGE_ITEM_TOTAL_DOWNLOAD_COUNT, \
pStorage->stat.total_download_count, \
STORAGE_ITEM_SUCCESS_DOWNLOAD_COUNT, \
pStorage->stat.success_download_count, \
STORAGE_ITEM_TOTAL_GET_META_COUNT, \
pStorage->stat.total_get_meta_count, \
STORAGE_ITEM_SUCCESS_GET_META_COUNT, \
pStorage->stat.success_get_meta_count, \
STORAGE_ITEM_TOTAL_CREATE_LINK_COUNT, \
pStorage->stat.total_create_link_count, \
STORAGE_ITEM_SUCCESS_CREATE_LINK_COUNT, \
pStorage->stat.success_create_link_count, \
STORAGE_ITEM_TOTAL_DELETE_LINK_COUNT, \
pStorage->stat.total_delete_link_count, \
STORAGE_ITEM_SUCCESS_DELETE_LINK_COUNT, \
pStorage->stat.success_delete_link_count, \
STORAGE_ITEM_TOTAL_UPLOAD_BYTES, \
pStorage->stat.total_upload_bytes, \
STORAGE_ITEM_SUCCESS_UPLOAD_BYTES, \
pStorage->stat.success_upload_bytes, \
STORAGE_ITEM_TOTAL_APPEND_BYTES, \
pStorage->stat.total_append_bytes, \
STORAGE_ITEM_SUCCESS_APPEND_BYTES, \
pStorage->stat.success_append_bytes, \
STORAGE_ITEM_TOTAL_DOWNLOAD_BYTES, \
pStorage->stat.total_download_bytes, \
STORAGE_ITEM_SUCCESS_DOWNLOAD_BYTES, \
pStorage->stat.success_download_bytes, \
STORAGE_ITEM_TOTAL_SYNC_IN_BYTES, \
pStorage->stat.total_sync_in_bytes, \
STORAGE_ITEM_SUCCESS_SYNC_IN_BYTES, \
pStorage->stat.success_sync_in_bytes, \
STORAGE_ITEM_TOTAL_SYNC_OUT_BYTES, \
pStorage->stat.total_sync_out_bytes, \
STORAGE_ITEM_SUCCESS_SYNC_OUT_BYTES, \
pStorage->stat.success_sync_out_bytes, \
STORAGE_ITEM_TOTAL_FILE_OPEN_COUNT, \
pStorage->stat.total_file_open_count, \
STORAGE_ITEM_SUCCESS_FILE_OPEN_COUNT, \
pStorage->stat.success_file_open_count, \
STORAGE_ITEM_TOTAL_FILE_READ_COUNT, \
pStorage->stat.total_file_read_count, \
STORAGE_ITEM_SUCCESS_FILE_READ_COUNT, \
pStorage->stat.success_file_read_count, \
STORAGE_ITEM_TOTAL_FILE_WRITE_COUNT, \
pStorage->stat.total_file_write_count, \
STORAGE_ITEM_SUCCESS_FILE_WRITE_COUNT, \
pStorage->stat.success_file_write_count, \
STORAGE_ITEM_LAST_SOURCE_UPDATE, \
(int)(pStorage->stat.last_source_update), \
STORAGE_ITEM_LAST_SYNC_UPDATE, \
(int)(pStorage->stat.last_sync_update), \
STORAGE_ITEM_LAST_SYNCED_TIMESTAMP, \
(int)pStorage->stat.last_synced_timestamp, \
STORAGE_ITEM_LAST_HEART_BEAT_TIME, \
(int)pStorage->stat.last_heart_beat_time, \
STORAGE_ITEM_CHANGELOG_OFFSET, \
pStorage->changelog_offset \
);
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
break;
}
}
}
if (result == 0)
{
len = sprintf(buff, \
"\n# global section\n" \
"[%s]\n" \
"\t%s=%d\n", \
STORAGE_SECTION_NAME_GLOBAL, \
STORAGE_ITEM_STORAGE_COUNT, count);
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
}
if (result == 0)
{
if (fsync(fd) != 0)
{
logError("file: "__FILE__", line: %d, " \
"fsync file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
}
close(fd);
if (result == 0)
{
if (rename(tmpFilename, trueFilename) != 0)
{
logError("file: "__FILE__", line: %d, " \
"rename file \"%s\" to \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, trueFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
TRACKER_CHOWN(trueFilename, geteuid(), getegid())
}
if (result != 0)
{
unlink(tmpFilename);
}
tracker_mem_file_unlock();
return result;
}
int tracker_save_sync_timestamps()
{
char tmpFilename[MAX_PATH_SIZE];
char trueFilename[MAX_PATH_SIZE];
char buff[512];
int fd;
int len;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
int **last_sync_timestamps;
int i;
int k;
int result;
tracker_mem_file_lock();
snprintf(trueFilename, sizeof(trueFilename), "%s/data/%s", \
g_fdfs_base_path, STORAGE_SYNC_TIMESTAMP_FILENAME);
snprintf(tmpFilename, sizeof(tmpFilename), "%s.tmp", trueFilename);
if ((fd=open(tmpFilename, O_WRONLY | O_CREAT | O_TRUNC, 0644)) < 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, " \
"open \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
result = 0;
ppGroupEnd = g_groups.sorted_groups + g_groups.count;
for (ppGroup=g_groups.sorted_groups; \
(ppGroup < ppGroupEnd) && (result == 0); ppGroup++)
{
last_sync_timestamps = (*ppGroup)->last_sync_timestamps;
for (i=0; i<(*ppGroup)->count; i++)
{
if ((*ppGroup)->all_servers[i]->status == \
FDFS_STORAGE_STATUS_DELETED \
|| (*ppGroup)->all_servers[i]->status == \
FDFS_STORAGE_STATUS_IP_CHANGED)
{
continue;
}
len = sprintf(buff, "%s%c%s", (*ppGroup)->group_name, \
STORAGE_DATA_FIELD_SEPERATOR, \
(*ppGroup)->all_servers[i]->id);
for (k=0; k<(*ppGroup)->count; k++)
{
if ((*ppGroup)->all_servers[k]->status == \
FDFS_STORAGE_STATUS_DELETED \
|| (*ppGroup)->all_servers[k]->status == \
FDFS_STORAGE_STATUS_IP_CHANGED)
{
continue;
}
len += sprintf(buff + len, "%c%d", \
STORAGE_DATA_FIELD_SEPERATOR, \
last_sync_timestamps[i][k]);
}
*(buff + len) = '\n';
len++;
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
break;
}
}
}
if (result == 0)
{
if (fsync(fd) != 0)
{
logError("file: "__FILE__", line: %d, " \
"fsync file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
}
close(fd);
if (result == 0)
{
if (rename(tmpFilename, trueFilename) != 0)
{
logError("file: "__FILE__", line: %d, " \
"rename file \"%s\" to \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, tmpFilename, trueFilename, \
errno, STRERROR(errno));
result = errno != 0 ? errno : EIO;
}
TRACKER_CHOWN(trueFilename, geteuid(), getegid())
}
if (result != 0)
{
unlink(tmpFilename);
}
tracker_mem_file_unlock();
return result;
}
int tracker_save_sys_files()
{
int result;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
if ((result=tracker_save_storages()) != 0)
{
return result;
}
return tracker_save_sync_timestamps();
}
static int tracker_open_changlog_file()
{
char data_path[MAX_PATH_SIZE];
char filename[MAX_PATH_SIZE];
snprintf(data_path, sizeof(data_path), "%s/data", g_fdfs_base_path);
if (!fileExists(data_path))
{
if (mkdir(data_path, 0755) != 0)
{
logError("file: "__FILE__", line: %d, " \
"mkdir \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, data_path, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
TRACKER_CHOWN(data_path, geteuid(), getegid())
}
snprintf(filename, sizeof(filename), "%s/data/%s", \
g_fdfs_base_path, STORAGE_SERVERS_CHANGELOG_FILENAME);
changelog_fd = open(filename, O_WRONLY | O_CREAT | O_APPEND, 0644);
if (changelog_fd < 0)
{
logError("file: "__FILE__", line: %d, " \
"open \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, filename, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
g_changelog_fsize = lseek(changelog_fd, 0, SEEK_END);
if (g_changelog_fsize < 0)
{
logError("file: "__FILE__", line: %d, " \
"lseek file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, filename, errno, STRERROR(errno));
return errno != 0 ? errno : EIO;
}
TRACKER_FCHOWN(changelog_fd, filename, geteuid(), getegid())
return 0;
}
static int tracker_mem_init_groups(FDFSGroups *pGroups)
{
int result;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
pGroups->alloc_size = TRACKER_MEM_ALLOC_ONCE;
pGroups->count = 0;
pGroups->current_write_group = 0;
pGroups->pStoreGroup = NULL;
pGroups->groups = (FDFSGroupInfo **)malloc( \
sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
if (pGroups->groups == NULL)
{
logCrit("file: "__FILE__", line: %d, " \
"malloc %d bytes fail!", __LINE__, \
(int)sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroups->groups, 0, \
sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
ppGroupEnd = pGroups->groups + pGroups->alloc_size;
for (ppGroup=pGroups->groups; ppGroup<ppGroupEnd; ppGroup++)
{
*ppGroup = (FDFSGroupInfo *)malloc(sizeof(FDFSGroupInfo));
if (*ppGroup == NULL)
{
logCrit("file: "__FILE__", line: %d, " \
"malloc %d bytes fail!", \
__LINE__, (int)sizeof(FDFSGroupInfo));
return errno != 0 ? errno : ENOMEM;
}
memset(*ppGroup, 0, sizeof(FDFSGroupInfo));
}
pGroups->sorted_groups = (FDFSGroupInfo **) \
malloc(sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
if (pGroups->sorted_groups == NULL)
{
free(pGroups->groups);
pGroups->groups = NULL;
logCrit("file: "__FILE__", line: %d, " \
"malloc %d bytes fail!", __LINE__, \
(int)sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroups->sorted_groups, 0, \
sizeof(FDFSGroupInfo *) * pGroups->alloc_size);
if ((result=tracker_load_data(pGroups)) != 0)
{
return result;
}
return 0;
}
int tracker_mem_init()
{
int result;
if ((result=init_pthread_lock(&mem_thread_lock)) != 0)
{
return result;
}
if ((result=init_pthread_lock(&mem_file_lock)) != 0)
{
return result;
}
if ((result=tracker_open_changlog_file()) != 0)
{
return result;
}
return tracker_mem_init_groups(&g_groups);
}
static void tracker_free_last_sync_timestamps(int **last_sync_timestamps, \
const int alloc_size)
{
int i;
if (last_sync_timestamps != NULL)
{
for (i=0; i<alloc_size; i++)
{
if (last_sync_timestamps[i] != NULL)
{
free(last_sync_timestamps[i]);
last_sync_timestamps[i] = NULL;
}
}
free(last_sync_timestamps);
}
}
static int **tracker_malloc_last_sync_timestamps(const int alloc_size, \
int *err_no)
{
int **results;
int i;
results = (int **)malloc(sizeof(int *) * alloc_size);
if (results == NULL)
{
*err_no = errno != 0 ? errno : ENOMEM;
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(int *) * alloc_size);
return NULL;
}
memset(results, 0, sizeof(int *) * alloc_size);
for (i=0; i<alloc_size; i++)
{
results[i] = (int *)malloc(sizeof(int) * alloc_size);
if (results[i] == NULL)
{
*err_no = errno != 0 ? errno : ENOMEM;
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(int) * alloc_size);
tracker_free_last_sync_timestamps(results, alloc_size);
return NULL;
}
memset(results[i], 0, sizeof(int) * alloc_size);
}
*err_no = 0;
return results;
}
static void tracker_mem_free_storages(FDFSStorageDetail **servers, const int count)
{
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
ppServerEnd = servers + count;
for (ppServer=servers; ppServer<ppServerEnd; ppServer++)
{
if (*ppServer != NULL)
{
free(*ppServer);
}
}
free(servers);
}
static void tracker_mem_free_group(FDFSGroupInfo *pGroup)
{
if (pGroup->sorted_servers != NULL)
{
free(pGroup->sorted_servers);
pGroup->sorted_servers = NULL;
}
if (pGroup->active_servers != NULL)
{
free(pGroup->active_servers);
pGroup->active_servers = NULL;
}
if (pGroup->all_servers != NULL)
{
tracker_mem_free_storages(pGroup->all_servers, \
pGroup->alloc_size);
pGroup->all_servers = NULL;
}
#ifdef WITH_HTTPD
if (g_http_check_interval > 0)
{
if (pGroup->http_servers != NULL)
{
free(pGroup->http_servers);
pGroup->http_servers = NULL;
}
}
#endif
tracker_free_last_sync_timestamps(pGroup->last_sync_timestamps, \
pGroup->alloc_size);
pGroup->last_sync_timestamps = NULL;
}
static int tracker_mem_init_group(FDFSGroupInfo *pGroup)
{
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
int err_no;
pGroup->alloc_size = TRACKER_MEM_ALLOC_ONCE;
pGroup->count = 0;
pGroup->all_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
if (pGroup->all_servers == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroup->all_servers, 0, \
sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
ppServerEnd = pGroup->all_servers + pGroup->alloc_size;
for (ppServer=pGroup->all_servers; ppServer<ppServerEnd; ppServer++)
{
*ppServer = (FDFSStorageDetail *)malloc( \
sizeof(FDFSStorageDetail));
if (*ppServer == NULL)
{
tracker_mem_free_group(pGroup);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail));
return errno != 0 ? errno : ENOMEM;
}
memset(*ppServer, 0, sizeof(FDFSStorageDetail));
}
pGroup->sorted_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
if (pGroup->sorted_servers == NULL)
{
tracker_mem_free_group(pGroup);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroup->sorted_servers, 0, \
sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
pGroup->active_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
if (pGroup->active_servers == NULL)
{
tracker_mem_free_group(pGroup);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroup->active_servers, 0, \
sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
#ifdef WITH_HTTPD
if (g_http_check_interval <= 0)
{
pGroup->http_servers = pGroup->active_servers;
}
else
{
pGroup->http_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *)*pGroup->alloc_size);
if (pGroup->http_servers == NULL)
{
tracker_mem_free_group(pGroup);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail *) * \
pGroup->alloc_size);
return errno != 0 ? errno : ENOMEM;
}
memset(pGroup->http_servers, 0, \
sizeof(FDFSStorageDetail *) * pGroup->alloc_size);
g_http_servers_dirty = true;
}
#endif
pGroup->last_sync_timestamps = tracker_malloc_last_sync_timestamps( \
pGroup->alloc_size, &err_no);
return err_no;
}
static int tracker_mem_destroy_groups(FDFSGroups *pGroups, const bool saveFiles)
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
int result;
if (pGroups->groups == NULL)
{
result = 0;
}
else
{
if (saveFiles)
{
result = tracker_save_sys_files();
}
else
{
result = 0;
}
ppEnd = pGroups->groups + pGroups->count;
for (ppGroup=pGroups->groups; ppGroup<ppEnd; ppGroup++)
{
tracker_mem_free_group(*ppGroup);
}
if (pGroups->sorted_groups != NULL)
{
free(pGroups->sorted_groups);
pGroups->sorted_groups = NULL;
}
free(pGroups->groups);
pGroups->groups = NULL;
}
return result;
}
int tracker_mem_destroy()
{
int result;
result = tracker_mem_destroy_groups(&g_groups, true);
if (changelog_fd >= 0)
{
close(changelog_fd);
changelog_fd = -1;
}
if (pthread_mutex_destroy(&mem_thread_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_destroy fail", \
__LINE__);
}
if (pthread_mutex_destroy(&mem_file_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_destroy fail", \
__LINE__);
}
return result;
}
static void tracker_mem_free_groups(FDFSGroupInfo **groups, const int count)
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
ppGroupEnd = groups + count;
for (ppGroup=groups; ppGroup<ppGroupEnd; ppGroup++)
{
if (*ppGroup != NULL)
{
free(*ppGroup);
}
}
free(groups);
}
static int tracker_mem_realloc_groups(FDFSGroups *pGroups, const bool bNeedSleep)
{
FDFSGroupInfo **old_groups;
FDFSGroupInfo **old_sorted_groups;
FDFSGroupInfo **new_groups;
FDFSGroupInfo **new_sorted_groups;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
int new_size;
new_size = pGroups->alloc_size + TRACKER_MEM_ALLOC_ONCE;
new_groups = (FDFSGroupInfo **)malloc(sizeof(FDFSGroupInfo *) * new_size);
if (new_groups == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSGroupInfo *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
memset(new_groups, 0, sizeof(FDFSGroupInfo *) * new_size);
ppGroupEnd = new_groups + new_size;
for (ppGroup=new_groups+pGroups->count; ppGroup<ppGroupEnd; ppGroup++)
{
*ppGroup = (FDFSGroupInfo *)malloc(sizeof(FDFSGroupInfo));
if (*ppGroup == NULL)
{
tracker_mem_free_groups(new_groups, new_size);
logCrit("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSGroupInfo));
return errno != 0 ? errno : ENOMEM;
}
memset(*ppGroup, 0, sizeof(FDFSGroupInfo));
}
memcpy(new_groups, pGroups->groups, \
sizeof(FDFSGroupInfo *) * pGroups->count);
new_sorted_groups = (FDFSGroupInfo **)malloc( \
sizeof(FDFSGroupInfo *) * new_size);
if (new_sorted_groups == NULL)
{
tracker_mem_free_groups(new_groups, new_size);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSGroupInfo *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
memset(new_sorted_groups, 0, sizeof(FDFSGroupInfo *) * new_size);
memcpy(new_sorted_groups, pGroups->sorted_groups, \
sizeof(FDFSGroupInfo *) * pGroups->count);
old_groups = pGroups->groups;
old_sorted_groups = pGroups->sorted_groups;
pGroups->alloc_size = new_size;
pGroups->groups = new_groups;
pGroups->sorted_groups = new_sorted_groups;
if (bNeedSleep)
{
sleep(1);
}
free(old_groups);
free(old_sorted_groups);
return 0;
}
int tracker_get_group_file_count(FDFSGroupInfo *pGroup)
{
int count;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
count = 0;
ppServerEnd = pGroup->all_servers + pGroup->count;
for (ppServer=pGroup->all_servers; ppServer<ppServerEnd; ppServer++)
{
count += (*ppServer)->stat.success_upload_count - \
(*ppServer)->stat.success_delete_count;
}
return count;
}
int tracker_get_group_success_upload_count(FDFSGroupInfo *pGroup)
{
int count;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
count = 0;
ppServerEnd = pGroup->all_servers + pGroup->count;
for (ppServer=pGroup->all_servers; ppServer<ppServerEnd; ppServer++)
{
count += (*ppServer)->stat.success_upload_count;
}
return count;
}
FDFSStorageDetail *tracker_get_group_sync_src_server(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pDestServer)
{
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
ppServerEnd = pGroup->active_servers + pGroup->active_count;
for (ppServer=pGroup->active_servers; ppServer<ppServerEnd; ppServer++)
{
if (strcmp((*ppServer)->id, pDestServer->id) == 0)
{
continue;
}
return *ppServer;
}
return NULL;
}
static int tracker_mem_realloc_store_servers(FDFSGroupInfo *pGroup, \
const int inc_count, const bool bNeedSleep)
{
int result;
FDFSStorageDetail **old_servers;
FDFSStorageDetail **old_sorted_servers;
FDFSStorageDetail **old_active_servers;
int **old_last_sync_timestamps;
FDFSStorageDetail **new_servers;
FDFSStorageDetail **new_sorted_servers;
FDFSStorageDetail **new_active_servers;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
#ifdef WITH_HTTPD
FDFSStorageDetail **old_http_servers;
FDFSStorageDetail **new_http_servers;
#endif
int **new_last_sync_timestamps;
int old_size;
int new_size;
int err_no;
int i;
new_size = pGroup->alloc_size + inc_count + TRACKER_MEM_ALLOC_ONCE;
new_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * new_size);
if (new_servers == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSStorageDetail *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
memset(new_servers, 0, sizeof(FDFSStorageDetail *) * new_size);
ppServerEnd = new_servers + new_size;
for (ppServer=new_servers+pGroup->count; ppServer<ppServerEnd; ppServer++)
{
*ppServer = (FDFSStorageDetail *)malloc( \
sizeof(FDFSStorageDetail));
if (*ppServer == NULL)
{
tracker_mem_free_storages(new_servers, new_size);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail));
return errno != 0 ? errno : ENOMEM;
}
memset(*ppServer, 0, sizeof(FDFSStorageDetail));
}
memcpy(new_servers, pGroup->all_servers, \
sizeof(FDFSStorageDetail *) * pGroup->count);
new_sorted_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * new_size);
if (new_sorted_servers == NULL)
{
free(new_servers);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSStorageDetail *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
new_active_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * new_size);
if (new_active_servers == NULL)
{
free(new_servers);
free(new_sorted_servers);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", \
__LINE__, (int)sizeof(FDFSStorageDetail *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
#ifdef WITH_HTTPD
if (g_http_check_interval > 0)
{
new_http_servers = (FDFSStorageDetail **) \
malloc(sizeof(FDFSStorageDetail *) * new_size);
if (new_http_servers == NULL)
{
free(new_servers);
free(new_sorted_servers);
free(new_active_servers);
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail", __LINE__, \
(int)sizeof(FDFSStorageDetail *) * new_size);
return errno != 0 ? errno : ENOMEM;
}
memset(new_http_servers,0,sizeof(FDFSStorageDetail *)*new_size);
memcpy(new_http_servers, pGroup->http_servers, \
sizeof(FDFSStorageDetail *) * pGroup->count);
}
else
{
new_http_servers = NULL;
}
#endif
memset(new_sorted_servers, 0, sizeof(FDFSStorageDetail *) * new_size);
memset(new_active_servers, 0, sizeof(FDFSStorageDetail *) * new_size);
if (pGroup->store_path_count > 0)
{
for (i=pGroup->count; i<new_size; i++)
{
result=tracker_malloc_storage_path_mbs(*(new_servers+i), \
pGroup->store_path_count);
if (result != 0)
{
free(new_servers);
free(new_sorted_servers);
free(new_active_servers);
return result;
}
}
}
memcpy(new_sorted_servers, pGroup->sorted_servers, \
sizeof(FDFSStorageDetail *) * pGroup->count);
memcpy(new_active_servers, pGroup->active_servers, \
sizeof(FDFSStorageDetail *) * pGroup->count);
new_last_sync_timestamps = tracker_malloc_last_sync_timestamps( \
new_size, &err_no);
if (new_last_sync_timestamps == NULL)
{
free(new_servers);
free(new_sorted_servers);
free(new_active_servers);
return err_no;
}
for (i=0; i<pGroup->alloc_size; i++)
{
memcpy(new_last_sync_timestamps[i], \
pGroup->last_sync_timestamps[i], \
(int)sizeof(int) * pGroup->alloc_size);
}
old_size = pGroup->alloc_size;
old_servers = pGroup->all_servers;
old_sorted_servers = pGroup->sorted_servers;
old_active_servers = pGroup->active_servers;
old_last_sync_timestamps = pGroup->last_sync_timestamps;
pGroup->alloc_size = new_size;
pGroup->all_servers = new_servers;
pGroup->sorted_servers = new_sorted_servers;
pGroup->active_servers = new_active_servers;
pGroup->last_sync_timestamps = new_last_sync_timestamps;
tracker_mem_find_store_server(pGroup);
if (g_if_leader_self && g_if_use_trunk_file)
{
tracker_mem_find_trunk_server(pGroup, true);
}
#ifdef WITH_HTTPD
if (g_http_check_interval <= 0)
{
old_http_servers = NULL;
pGroup->http_servers = pGroup->active_servers;
}
else
{
old_http_servers = pGroup->http_servers;
pGroup->http_servers = new_http_servers;
g_http_servers_dirty = true;
}
#endif
if (bNeedSleep)
{
sleep(1);
}
free(old_servers);
free(old_sorted_servers);
free(old_active_servers);
#ifdef WITH_HTTPD
if (old_http_servers != NULL)
{
free(old_http_servers);
}
#endif
tracker_free_last_sync_timestamps(old_last_sync_timestamps, \
old_size);
return 0;
}
static int tracker_mem_cmp_by_group_name(const void *p1, const void *p2)
{
return strcmp((*((FDFSGroupInfo **)p1))->group_name,
(*((FDFSGroupInfo **)p2))->group_name);
}
static int tracker_mem_cmp_by_storage_id(const void *p1, const void *p2)
{
return strcmp((*((FDFSStorageDetail **)p1))->id,
(*((FDFSStorageDetail **)p2))->id);
}
static void tracker_mem_insert_into_sorted_servers( \
FDFSStorageDetail *pTargetServer, \
FDFSStorageDetail **sorted_servers, const int count)
{
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppEnd;
ppEnd = sorted_servers + count;
for (ppServer=ppEnd; ppServer>sorted_servers; ppServer--)
{
if (strcmp(pTargetServer->id, (*(ppServer-1))->id) > 0)
{
break;
}
else
{
*ppServer = *(ppServer-1);
}
}
*ppServer = pTargetServer;
}
static void tracker_mem_insert_into_sorted_groups(FDFSGroups *pGroups, \
FDFSGroupInfo *pTargetGroup)
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
ppEnd = pGroups->sorted_groups + pGroups->count;
for (ppGroup=ppEnd; ppGroup > pGroups->sorted_groups; ppGroup--)
{
if (strcmp(pTargetGroup->group_name, \
(*(ppGroup-1))->group_name) > 0)
{
*ppGroup = pTargetGroup;
return;
}
else
{
*ppGroup = *(ppGroup-1);
}
}
*ppGroup = pTargetGroup;
}
FDFSGroupInfo *tracker_mem_get_group_ex(FDFSGroups *pGroups, \
const char *group_name)
{
FDFSGroupInfo target_groups;
FDFSGroupInfo *pTargetGroups;
FDFSGroupInfo **ppGroup;
memset(&target_groups, 0, sizeof(target_groups));
strcpy(target_groups.group_name, group_name);
pTargetGroups = &target_groups;
ppGroup = (FDFSGroupInfo **)bsearch(&pTargetGroups, \
pGroups->sorted_groups, \
pGroups->count, sizeof(FDFSGroupInfo *), \
tracker_mem_cmp_by_group_name);
if (ppGroup != NULL)
{
return *ppGroup;
}
else
{
return NULL;
}
}
static int tracker_mem_add_group_ex(FDFSGroups *pGroups, \
TrackerClientInfo *pClientInfo, const char *group_name, \
const bool bNeedSleep, bool *bInserted)
{
FDFSGroupInfo *pGroup;
int result;
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
do
{
result = 0;
*bInserted = false;
pGroup = tracker_mem_get_group_ex(pGroups, group_name);
if (pGroup != NULL)
{
break;
}
if (pGroups->count >= pGroups->alloc_size)
{
result = tracker_mem_realloc_groups(pGroups, bNeedSleep);
if (result != 0)
{
break;
}
}
pGroup = *(pGroups->groups + pGroups->count);
result = tracker_mem_init_group(pGroup);
if (result != 0)
{
break;
}
strcpy(pGroup->group_name, group_name);
tracker_mem_insert_into_sorted_groups(pGroups, pGroup);
pGroups->count++;
if ((pGroups->store_lookup == \
FDFS_STORE_LOOKUP_SPEC_GROUP) && \
(pGroups->pStoreGroup == NULL) && \
(strcmp(pGroups->store_group, \
pGroup->group_name) == 0))
{
pGroups->pStoreGroup = pGroup;
}
*bInserted = true;
} while (0);
if (pthread_mutex_unlock(&mem_thread_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail", \
__LINE__);
}
if (result != 0)
{
return result;
}
pClientInfo->pGroup = pGroup;
return 0;
}
static FDFSStorageDetail *tracker_mem_get_active_storage_by_id( \
FDFSGroupInfo *pGroup, const char *id)
{
FDFSStorageDetail target_storage;
FDFSStorageDetail *pTargetStorage;
FDFSStorageDetail **ppStorageServer;
if (id == NULL)
{
return NULL;
}
memset(&target_storage, 0, sizeof(target_storage));
strcpy(target_storage.id, id);
pTargetStorage = &target_storage;
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetStorage, \
pGroup->active_servers, \
pGroup->active_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
return *ppStorageServer;
}
else
{
return NULL;
}
}
static FDFSStorageDetail *tracker_mem_get_active_storage_by_ip( \
FDFSGroupInfo *pGroup, const char *ip_addr)
{
FDFSStorageIdInfo *pStorageId;
if (!g_use_storage_id)
{
return tracker_mem_get_active_storage_by_id(pGroup, ip_addr);
}
pStorageId = fdfs_get_storage_id_by_ip(pGroup->group_name, ip_addr);
if (pStorageId == NULL)
{
return NULL;
}
return tracker_mem_get_active_storage_by_id(pGroup, pStorageId->id);
}
#ifdef WITH_HTTPD
static FDFSStorageDetail *tracker_mem_get_active_http_server_by_ip( \
FDFSGroupInfo *pGroup, const char *ip_addr)
{
FDFSStorageDetail target_storage;
FDFSStorageDetail *pTargetStorage;
FDFSStorageDetail **ppStorageServer;
memset(&target_storage, 0, sizeof(target_storage));
if (!g_use_storage_id)
{
strcpy(target_storage.id, ip_addr);
}
else
{
FDFSStorageIdInfo *pStorageId;
pStorageId = fdfs_get_storage_id_by_ip( \
pGroup->group_name, ip_addr);
if (pStorageId == NULL)
{
return NULL;
}
strcpy(target_storage.id, pStorageId->id);
}
pTargetStorage = &target_storage;
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetStorage, \
pGroup->http_servers, \
pGroup->http_server_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
return *ppStorageServer;
}
else
{
return NULL;
}
}
static FDFSStorageDetail *tracker_mem_get_active_http_server_by_id( \
FDFSGroupInfo *pGroup, const char *storage_id)
{
FDFSStorageDetail target_storage;
FDFSStorageDetail *pTargetStorage;
FDFSStorageDetail **ppStorageServer;
memset(&target_storage, 0, sizeof(target_storage));
strcpy(target_storage.id, storage_id);
pTargetStorage = &target_storage;
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetStorage, \
pGroup->http_servers, \
pGroup->http_server_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
return *ppStorageServer;
}
else
{
return NULL;
}
}
#endif
FDFSStorageDetail *tracker_mem_get_storage_by_ip(FDFSGroupInfo *pGroup, \
const char *ip_addr)
{
const char *storage_id;
if (g_use_storage_id)
{
FDFSStorageIdInfo *pStorageIdInfo;
pStorageIdInfo = fdfs_get_storage_id_by_ip( \
pGroup->group_name, ip_addr);
if (pStorageIdInfo == NULL)
{
return NULL;
}
storage_id = pStorageIdInfo->id;
}
else
{
storage_id = ip_addr;
}
return tracker_mem_get_storage(pGroup, storage_id);
}
FDFSStorageDetail *tracker_mem_get_storage(FDFSGroupInfo *pGroup, \
const char *id)
{
FDFSStorageDetail target_storage;
FDFSStorageDetail *pTargetStorage;
FDFSStorageDetail **ppStorageServer;
memset(&target_storage, 0, sizeof(target_storage));
strcpy(target_storage.id, id);
pTargetStorage = &target_storage;
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetStorage, \
pGroup->sorted_servers, \
pGroup->count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
return *ppStorageServer;
}
else
{
return NULL;
}
}
static void tracker_mem_clear_storage_fields(FDFSStorageDetail *pStorageServer)
{
if (pStorageServer->path_total_mbs != NULL)
{
memset(pStorageServer->path_total_mbs, 0, sizeof(int64_t) \
* pStorageServer->store_path_count);
}
if (pStorageServer->path_free_mbs != NULL)
{
memset(pStorageServer->path_free_mbs, 0, sizeof(int64_t) \
* pStorageServer->store_path_count);
}
pStorageServer->psync_src_server = NULL;
pStorageServer->sync_until_timestamp = 0;
pStorageServer->total_mb = 0;
pStorageServer->free_mb = 0;
pStorageServer->changelog_offset = 0;
pStorageServer->store_path_count = 0;
pStorageServer->subdir_count_per_path = 0;
pStorageServer->upload_priority = 0;
pStorageServer->current_write_path = 0;
memset(&(pStorageServer->stat), 0, sizeof(FDFSStorageStat));
}
static int tracker_mem_remove_group(FDFSGroupInfo **groups, FDFSGroupInfo *pGroup)
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppEnd;
FDFSGroupInfo **pp;
ppEnd = groups + g_groups.count;
for (ppGroup=groups; ppGroup<ppEnd; ppGroup++)
{
if (*ppGroup == pGroup)
{
break;
}
}
if (ppGroup == ppEnd)
{
return ENOENT;
}
for (pp=ppGroup + 1; pp<ppEnd; pp++)
{
*(pp - 1) = *pp;
}
return 0;
}
int tracker_mem_delete_group(const char *group_name)
{
FDFSGroupInfo *pGroup;
int result;
pGroup = tracker_mem_get_group(group_name);
if (pGroup == NULL)
{
return ENOENT;
}
if (pGroup->count != 0)
{
return EBUSY;
}
pthread_mutex_lock(&mem_thread_lock);
if (pGroup->count != 0)
{
result = EBUSY;
}
else
{
result = tracker_mem_remove_group(g_groups.groups, pGroup);
if (result == 0)
{
result = tracker_mem_remove_group(g_groups.sorted_groups, pGroup);
}
}
if (result == 0)
{
if (g_groups.pStoreGroup == pGroup)
{
g_groups.pStoreGroup = NULL;
}
g_groups.count--;
}
pthread_mutex_unlock(&mem_thread_lock);
if (result != 0)
{
return result;
}
logDebug("file: "__FILE__", line: %d, " \
"delete empty group: %s", \
__LINE__, group_name);
sleep(1);
free(pGroup);
return tracker_save_groups();
}
int tracker_mem_delete_storage(FDFSGroupInfo *pGroup, const char *id)
{
FDFSStorageDetail *pStorageServer;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppEnd;
pStorageServer = tracker_mem_get_storage(pGroup, id);
if (pStorageServer == NULL || pStorageServer->status == \
FDFS_STORAGE_STATUS_IP_CHANGED)
{
return ENOENT;
}
if (pStorageServer->status == FDFS_STORAGE_STATUS_ONLINE || \
pStorageServer->status == FDFS_STORAGE_STATUS_ACTIVE || \
pStorageServer->status == FDFS_STORAGE_STATUS_RECOVERY)
{
return EBUSY;
}
if (pStorageServer->status == FDFS_STORAGE_STATUS_DELETED)
{
return EALREADY;
}
ppEnd = pGroup->all_servers + pGroup->count;
for (ppServer=pGroup->all_servers; ppServer<ppEnd; ppServer++)
{
if ((*ppServer)->psync_src_server != NULL && \
strcmp((*ppServer)->psync_src_server->id, id) == 0)
{
(*ppServer)->psync_src_server = NULL;
}
}
logDebug("file: "__FILE__", line: %d, "
"delete storage server: %s:%d, group: %s",
__LINE__, pStorageServer->ip_addrs.ips[0].address,
pStorageServer->storage_port, pGroup->group_name);
tracker_mem_clear_storage_fields(pStorageServer);
pStorageServer->status = FDFS_STORAGE_STATUS_DELETED;
pGroup->chg_count++;
tracker_write_to_changelog(pGroup, pStorageServer, NULL);
return 0;
}
int tracker_mem_storage_ip_changed(FDFSGroupInfo *pGroup, \
const char *old_storage_ip, const char *new_storage_ip)
{
FDFSStorageDetail *pOldStorageServer;
FDFSStorageDetail *pNewStorageServer;
int result;
bool bInserted;
if (g_use_storage_id)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, do NOT support ip changed adjust " \
"because cluster use server ID instead of " \
"IP address", __LINE__, new_storage_ip);
return EOPNOTSUPP;
}
pOldStorageServer = tracker_mem_get_storage(pGroup, old_storage_ip);
if (pOldStorageServer == NULL || pOldStorageServer->status == \
FDFS_STORAGE_STATUS_DELETED)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, old storage server: %s not exists", \
__LINE__, new_storage_ip, old_storage_ip);
return ENOENT;
}
if (pOldStorageServer->status == FDFS_STORAGE_STATUS_ONLINE || \
pOldStorageServer->status == FDFS_STORAGE_STATUS_ACTIVE || \
pOldStorageServer->status == FDFS_STORAGE_STATUS_RECOVERY)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, old storage server: %s is online", \
__LINE__, new_storage_ip, old_storage_ip);
return EBUSY;
}
if (pOldStorageServer->status == FDFS_STORAGE_STATUS_IP_CHANGED)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, old storage server: %s " \
"'s ip address already changed", \
__LINE__, new_storage_ip, old_storage_ip);
return EALREADY;
}
pNewStorageServer = tracker_mem_get_storage(pGroup, new_storage_ip);
if (!(pNewStorageServer == NULL || pNewStorageServer->status == \
FDFS_STORAGE_STATUS_DELETED))
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, new storage server: %s already exists",\
__LINE__, new_storage_ip, new_storage_ip);
return EEXIST;
}
result = _tracker_mem_add_storage(pGroup, &pNewStorageServer, \
new_storage_ip, new_storage_ip, true, true, &bInserted);
if (result != 0)
{
return result;
}
if (!bInserted)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, new storage server: %s already exists",\
__LINE__, new_storage_ip, new_storage_ip);
return EEXIST;
}
pthread_mutex_lock(&mem_thread_lock);
//exchange old and new storage server
snprintf(pOldStorageServer->id, sizeof(pOldStorageServer->id),
"%s", new_storage_ip);
snprintf(pOldStorageServer->ip_addrs.ips[0].address,
sizeof(pOldStorageServer->ip_addrs.ips[0].address),
"%s", new_storage_ip);
snprintf(pNewStorageServer->id, sizeof(pNewStorageServer->id),
"%s", old_storage_ip);
pNewStorageServer->ip_addrs.count = 1;
snprintf(pNewStorageServer->ip_addrs.ips[0].address,
sizeof(pNewStorageServer->ip_addrs.ips[0].address),
"%s", old_storage_ip);
pNewStorageServer->status = FDFS_STORAGE_STATUS_IP_CHANGED;
pGroup->chg_count++;
//need re-sort
qsort(pGroup->sorted_servers, pGroup->count,
sizeof(FDFSStorageDetail *), tracker_mem_cmp_by_storage_id);
pthread_mutex_unlock(&mem_thread_lock);
tracker_write_to_changelog(pGroup, pNewStorageServer, new_storage_ip);
return tracker_save_sys_files();
}
static int tracker_mem_add_storage(TrackerClientInfo *pClientInfo,
const char *id, const char *ip_addr,
const bool bNeedSleep, const bool bNeedLock, bool *bInserted)
{
int result;
FDFSStorageDetail *pStorageServer;
pStorageServer = NULL;
result = _tracker_mem_add_storage(pClientInfo->pGroup, \
&pStorageServer, id, ip_addr, bNeedSleep, \
bNeedLock, bInserted);
if (result == 0)
{
pClientInfo->pStorage = pStorageServer;
}
return result;
}
static int tracker_mem_add_storage_from_file(FDFSGroups *pGroups,
const char *data_path, TrackerClientInfo *pClientInfo,
const char *group_name, const char *storage_id, char *ip_addr)
{
int result;
bool bInserted;
if (g_use_storage_id)
{
if (storage_id == NULL || *storage_id == '\0')
{
FDFSStorageIdInfo *idInfo;
idInfo = fdfs_get_storage_id_by_ip(group_name, ip_addr);
if (idInfo == NULL)
{
logError("file: "__FILE__", line: %d, "
"in the file \"%s/%s\", "
"group: %s, item \"%s\" is not found or empty, "
"and storage ip %s not configed in storage_ids.conf",
__LINE__, data_path,
STORAGE_SERVERS_LIST_FILENAME_NEW,
group_name, STORAGE_ITEM_SERVER_ID, ip_addr);
return ENOENT;
}
storage_id = idInfo->id;
}
}
if (ip_addr == NULL)
{
logError("file: "__FILE__", line: %d, "
"in the file \"%s/%s\", "
"group: %s, item \"%s\" is not found",
__LINE__, data_path,
STORAGE_SERVERS_LIST_FILENAME_NEW,
group_name, STORAGE_ITEM_IP_ADDR);
return ENOENT;
}
if (*ip_addr == '\0')
{
logWarning("file: "__FILE__", line: %d, "
"in the file \"%s/%s\", "
"group: %s, item \"%s\" is empty",
__LINE__, data_path,
STORAGE_SERVERS_LIST_FILENAME_NEW,
group_name, STORAGE_ITEM_IP_ADDR);
return ENOENT;
}
memset(pClientInfo, 0, sizeof(TrackerClientInfo));
if ((pClientInfo->pGroup=tracker_mem_get_group_ex(pGroups,
group_name)) == NULL)
{
logError("file: "__FILE__", line: %d, "
"in the file \"%s/%s\", "
"group \"%s\" is not found",
__LINE__, data_path,
STORAGE_SERVERS_LIST_FILENAME_NEW,
group_name);
return errno != 0 ? errno : ENOENT;
}
if ((result=tracker_mem_add_storage(pClientInfo, storage_id,
ip_addr, false, false, &bInserted)) != 0)
{
return result;
}
if (!bInserted)
{
logError("file: "__FILE__", line: %d, "
"in the file \"%s/%s\", "
"storage \"%s\" is duplicate",
__LINE__, data_path,
STORAGE_SERVERS_LIST_FILENAME_NEW, ip_addr);
return EEXIST;
}
return 0;
}
static int _tracker_mem_add_storage(FDFSGroupInfo *pGroup,
FDFSStorageDetail **ppStorageServer, const char *id,
const char *ip_addr, const bool bNeedSleep,
const bool bNeedLock, bool *bInserted)
{
int result;
const char *storage_id;
FDFSStorageIdInfo *pStorageIdInfo;
FDFSMultiIP multi_ip;
if (*ip_addr == '\0')
{
logError("file: "__FILE__", line: %d, " \
"ip address is empty!", __LINE__);
return EINVAL;
}
memset(&multi_ip, 0, sizeof(multi_ip));
if (!g_use_storage_id)
{
multi_ip.count = 1;
multi_ip.index = 0;
strcpy(multi_ip.ips[0].address, ip_addr);
}
if (id != NULL)
{
if (g_use_storage_id)
{
pStorageIdInfo = fdfs_get_storage_by_id(id);
if (pStorageIdInfo == NULL)
{
logError("file: "__FILE__", line: %d, "
"storage id: %s not exist in config file, "
"group_name: %s, storage ip: %s", __LINE__,
id, pGroup->group_name, ip_addr);
return ENOENT;
}
if (strcmp(pStorageIdInfo->group_name, pGroup->group_name) != 0)
{
logError("file: "__FILE__", line: %d, "
"check storage id fail, inconsistent group names, "
"id: %s, storage ip: %s, "
"reported group_name: %s != "
"group name in config file: %s", __LINE__,
pGroup->group_name, id, ip_addr,
pStorageIdInfo->group_name);
return EINVAL;
}
multi_ip = pStorageIdInfo->ip_addrs;
}
storage_id = id;
}
else if (g_use_storage_id)
{
pStorageIdInfo = fdfs_get_storage_id_by_ip(
pGroup->group_name, ip_addr);
if (pStorageIdInfo == NULL)
{
logError("file: "__FILE__", line: %d, "
"get storage id info fail, "
"group_name: %s, storage ip: %s not exist in config file",
__LINE__, pGroup->group_name, ip_addr);
return ENOENT;
}
multi_ip = pStorageIdInfo->ip_addrs;
storage_id = pStorageIdInfo->id;
}
else
{
storage_id = ip_addr;
}
if (bNeedLock && (result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
do
{
result = 0;
*bInserted = false;
*ppStorageServer = tracker_mem_get_storage(pGroup, storage_id);
if (*ppStorageServer != NULL)
{
if (g_use_storage_id)
{
fdfs_set_multi_ip_index(&(*ppStorageServer)->ip_addrs, ip_addr);
}
if ((*ppStorageServer)->status==FDFS_STORAGE_STATUS_DELETED \
|| (*ppStorageServer)->status==FDFS_STORAGE_STATUS_IP_CHANGED)
{
(*ppStorageServer)->status = FDFS_STORAGE_STATUS_INIT;
}
break;
}
if (pGroup->count >= pGroup->alloc_size)
{
result = tracker_mem_realloc_store_servers(
pGroup, 1, bNeedSleep);
if (result != 0)
{
break;
}
}
*ppStorageServer = *(pGroup->all_servers + pGroup->count);
snprintf((*ppStorageServer)->id, FDFS_STORAGE_ID_MAX_SIZE,
"%s", storage_id);
(*ppStorageServer)->ip_addrs = multi_ip;
if (g_use_storage_id)
{
fdfs_set_multi_ip_index(&(*ppStorageServer)->ip_addrs, ip_addr);
}
tracker_mem_insert_into_sorted_servers(*ppStorageServer,
pGroup->sorted_servers, pGroup->count);
pGroup->count++;
pGroup->chg_count++;
*bInserted = true;
} while (0);
if (bNeedLock && pthread_mutex_unlock(&mem_thread_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail", \
__LINE__);
}
return result;
}
void tracker_calc_running_times(TrackerRunningStatus *pStatus)
{
pStatus->running_time = g_current_time - g_up_time;
if (g_tracker_last_status.last_check_time == 0)
{
pStatus->restart_interval = 0;
}
else
{
pStatus->restart_interval = g_up_time - \
g_tracker_last_status.last_check_time;
}
#define FDFS_TRIM_TIME(t, i) (t / i) * i
pStatus->running_time = FDFS_TRIM_TIME(pStatus->running_time, \
TRACKER_SYNC_STATUS_FILE_INTERVAL);
pStatus->restart_interval = FDFS_TRIM_TIME(pStatus->restart_interval, \
TRACKER_SYNC_STATUS_FILE_INTERVAL);
}
static int tracker_mem_get_sys_file_piece(ConnectionInfo *pTrackerServer, \
const int file_index, int fd, int64_t *offset, int64_t *file_size)
{
char out_buff[sizeof(TrackerHeader) + 1 + FDFS_PROTO_PKG_LEN_SIZE];
char in_buff[TRACKER_MAX_PACKAGE_SIZE];
TrackerHeader *pHeader;
char *p;
char *pInBuff;
char *pContent;
int64_t in_bytes;
int64_t write_bytes;
int result;
memset(out_buff, 0, sizeof(out_buff));
pHeader = (TrackerHeader *)out_buff;
pHeader->cmd = TRACKER_PROTO_CMD_TRACKER_GET_ONE_SYS_FILE;
long2buff(1 + FDFS_PROTO_PKG_LEN_SIZE, pHeader->pkg_len);
p = out_buff + sizeof(TrackerHeader);
*p++ = file_index;
long2buff(*offset, p);
if ((result=tcpsenddata_nb(pTrackerServer->sock, out_buff, \
sizeof(out_buff), g_fdfs_network_timeout)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"send data to tracker server %s:%d fail, " \
"errno: %d, error info: %s", __LINE__, \
pTrackerServer->ip_addr, \
pTrackerServer->port, \
result, STRERROR(result));
return (result == ENOENT ? EACCES : result);
}
pInBuff = in_buff;
result = fdfs_recv_response(pTrackerServer, &pInBuff, \
sizeof(in_buff), &in_bytes);
if (result != 0)
{
logError("file: "__FILE__", line: %d, "
"fdfs_recv_response fail, result: %d",
__LINE__, result);
return result;
}
if (in_bytes < FDFS_PROTO_PKG_LEN_SIZE)
{
logError("file: "__FILE__", line: %d, " \
"tracker server %s:%d response data " \
"length: %"PRId64" is invalid, " \
"expect length >= %d.", __LINE__, \
pTrackerServer->ip_addr, pTrackerServer->port, \
in_bytes, FDFS_PROTO_PKG_LEN_SIZE);
return EINVAL;
}
*file_size = buff2long(in_buff);
write_bytes = in_bytes - FDFS_PROTO_PKG_LEN_SIZE;
if (*file_size < 0)
{
logError("file: "__FILE__", line: %d, " \
"tracker server %s:%d, file size: %"PRId64\
" < 0", __LINE__, pTrackerServer->ip_addr, \
pTrackerServer->port, *file_size);
return EINVAL;
}
if (*file_size > 0 && write_bytes == 0)
{
logError("file: "__FILE__", line: %d, " \
"tracker server %s:%d, file size: %"PRId64\
" > 0, but file content is empty", __LINE__, \
pTrackerServer->ip_addr, pTrackerServer->port, \
*file_size);
return EINVAL;
}
pContent = pInBuff + FDFS_PROTO_PKG_LEN_SIZE;
if (write_bytes > 0 &&
fc_safe_write(fd, pContent, write_bytes) != write_bytes)
{
logError("file: "__FILE__", line: %d, " \
"write to file %s fail, " \
"errno: %d, error info: %s", \
__LINE__, g_tracker_sys_filenames[file_index], \
errno, STRERROR(errno));
return errno != 0 ? errno : EIO;
}
*offset += write_bytes;
return 0;
}
static int tracker_mem_get_one_sys_file(ConnectionInfo *pTrackerServer, \
const int file_index)
{
char full_filename[MAX_PATH_SIZE];
int fd;
int result;
int64_t offset;
int64_t file_size;
snprintf(full_filename, sizeof(full_filename), "%s/data/%s", \
g_fdfs_base_path, g_tracker_sys_filenames[file_index]);
fd = open(full_filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd < 0)
{
logError("file: "__FILE__", line: %d, " \
"open file %s fail, " \
"errno: %d, error info: %s", \
__LINE__, full_filename, \
errno, STRERROR(errno));
return errno != 0 ? errno : EACCES;
}
TRACKER_FCHOWN(fd, full_filename, geteuid(), getegid())
offset = 0;
file_size = 0;
while (1)
{
result = tracker_mem_get_sys_file_piece(pTrackerServer, \
file_index, fd, &offset, &file_size);
if (result != 0)
{
break;
}
if (offset >= file_size)
{
break;
}
}
close(fd);
return result;
}
static int tracker_mem_get_sys_files(TrackerServerInfo *pTrackerServer)
{
ConnectionInfo *conn;
int result;
int index;
fdfs_server_sock_reset(pTrackerServer);
if ((conn=tracker_connect_server(pTrackerServer, &result)) == NULL)
{
return result;
}
if ((result=tracker_get_sys_files_start(conn)) != 0)
{
tracker_close_connection_ex(conn, true);
return result;
}
for (index=0; index<TRACKER_SYS_FILE_COUNT; index++)
{
result = tracker_mem_get_one_sys_file(conn, index);
if (result != 0)
{
break;
}
}
result = tracker_get_sys_files_end(conn);
tracker_close_connection_ex(conn, result != 0);
return result;
}
static int tracker_mem_cmp_tracker_running_status(const void *p1, const void *p2)
{
TrackerRunningStatus *pStatus1;
TrackerRunningStatus *pStatus2;
int sub;
pStatus1 = (TrackerRunningStatus *)p1;
pStatus2 = (TrackerRunningStatus *)p2;
if (pStatus1->if_leader)
{
return 1;
}
else if (pStatus2->if_leader)
{
return -1;
}
sub = pStatus1->running_time - pStatus2->running_time;
if (sub != 0)
{
return sub;
}
return pStatus2->restart_interval - pStatus1->restart_interval;
}
static int find_my_ip_in_tracker_list()
{
const char *current_ip;
const char *previous_ip;
TrackerServerInfo *pServer;
char buff[256];
previous_ip = NULL;
while ((current_ip=get_next_local_ip(previous_ip)) != NULL)
{
pServer = fdfs_tracker_group_get_server(&g_tracker_servers,
current_ip, g_server_port);
if (pServer != NULL)
{
if (pServer->count > 1)
{
ConnectionInfo *conn;
ConnectionInfo *end;
end = pServer->connections + pServer->count;
for (conn=pServer->connections; conn<end; conn++)
{
insert_into_local_host_ip(conn->ip_addr);
}
}
return 0;
}
previous_ip = current_ip;
}
logError("file: "__FILE__", line: %d, "
"my ip NOT in tracker server list. %s",
__LINE__, local_host_ip_addrs_to_string(buff, sizeof(buff)));
return ENOENT;
}
static int tracker_mem_first_add_tracker_servers(FDFSStorageJoinBody *pJoinBody)
{
TrackerServerInfo *pLocalTracker;
TrackerServerInfo *pLocalEnd;
TrackerServerInfo *servers;
int tracker_count;
int bytes;
tracker_count = pJoinBody->tracker_count;
bytes = sizeof(TrackerServerInfo) * tracker_count;
servers = (TrackerServerInfo *)malloc(bytes);
if (servers == NULL)
{
logError("file: "__FILE__", line: %d, " \
"malloc %d bytes fail, " \
"errno: %d, error info: %s", \
__LINE__, bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
memcpy(servers, pJoinBody->tracker_servers, bytes);
pLocalEnd = servers + tracker_count;
for (pLocalTracker=servers; pLocalTracker<pLocalEnd; \
pLocalTracker++)
{
fdfs_server_sock_reset(pLocalTracker);
}
g_tracker_servers.servers = servers;
g_tracker_servers.server_count = tracker_count;
return find_my_ip_in_tracker_list();
}
static int tracker_mem_copy_uniq_tracker_servers(
TrackerServerInfo *pSrcServer,
TrackerServerInfo *pDestServer)
{
ConnectionInfo *conn;
ConnectionInfo *end;
end = pSrcServer->connections + pSrcServer->count;
for (conn=pSrcServer->connections; conn<end; conn++)
{
if (!fdfs_server_contain1(pDestServer, conn))
{
if (pDestServer->count == FDFS_MULTI_IP_MAX_COUNT)
{
logError("file: "__FILE__", line: %d, "
"tracker IPs reach max count: %d",
__LINE__, FDFS_MULTI_IP_MAX_COUNT);
return ENOSPC;
}
pDestServer->connections[pDestServer->count++] = *conn;
}
}
return 0;
}
static int tracker_mem_check_add_tracker_servers(FDFSStorageJoinBody *pJoinBody)
{
TrackerServerInfo *pJoinTracker;
TrackerServerInfo *pJoinEnd;
TrackerServerInfo *pLocalTracker;
TrackerServerInfo *pLocalEnd;
TrackerServerInfo *pNewServer;
TrackerServerInfo *new_servers;
char ip_str_join[256];
char ip_str_before[256];
char ip_str_after[256];
int add_count;
int bytes;
add_count = 0;
pLocalEnd = g_tracker_servers.servers + g_tracker_servers.server_count;
pJoinEnd = pJoinBody->tracker_servers + pJoinBody->tracker_count;
for (pJoinTracker=pJoinBody->tracker_servers;
pJoinTracker<pJoinEnd; pJoinTracker++)
{
for (pLocalTracker=g_tracker_servers.servers;
pLocalTracker<pLocalEnd; pLocalTracker++)
{
if (fdfs_server_equal(pJoinTracker, pLocalTracker))
{
break;
}
if (fdfs_server_contain_ex(pJoinTracker, pLocalTracker))
{
fdfs_server_info_to_string(pJoinTracker,
ip_str_join, sizeof(ip_str_join));
fdfs_server_info_to_string(pLocalTracker,
ip_str_before, sizeof(ip_str_before));
logWarning("file: "__FILE__", line: %d, "
"tracker server ips not consistent, "
"join: %s, local: %s", __LINE__,
ip_str_join, ip_str_before);
if (pJoinTracker->count > pLocalTracker->count)
{
if (tracker_mem_copy_uniq_tracker_servers(pJoinTracker,
pLocalTracker) == 0)
{
fdfs_server_info_to_string(pLocalTracker,
ip_str_after, sizeof(ip_str_after));
logInfo("file: "__FILE__", line: %d, "
"merge tracker server ips, before: %s, "
"after: %s", __LINE__,
ip_str_before, ip_str_after);
}
}
break;
}
}
if (pLocalTracker == pLocalEnd)
{
add_count++;
}
}
if (add_count == 0)
{
return 0;
}
if (g_last_tracker_servers != NULL)
{
logError("file: "__FILE__", line: %d, " \
"last tracker servers does not freed, " \
"should try again!", __LINE__);
return EAGAIN;
}
if (g_tracker_servers.server_count + add_count > FDFS_MAX_TRACKERS)
{
logError("file: "__FILE__", line: %d, "
"too many tracker servers: %d",
__LINE__, g_tracker_servers.server_count + add_count);
return ENOSPC;
}
bytes = sizeof(TrackerServerInfo) * (g_tracker_servers.server_count
+ add_count);
new_servers = (TrackerServerInfo *)malloc(bytes);
if (new_servers == NULL)
{
logError("file: "__FILE__", line: %d, "
"malloc %d bytes fail, "
"errno: %d, error info: %s",
__LINE__, bytes, errno, STRERROR(errno));
return errno != 0 ? errno : ENOMEM;
}
memcpy(new_servers, g_tracker_servers.servers, sizeof(TrackerServerInfo) *
g_tracker_servers.server_count);
pNewServer = new_servers + g_tracker_servers.server_count;
for (pJoinTracker=pJoinBody->tracker_servers;
pJoinTracker<pJoinEnd; pJoinTracker++)
{
for (pLocalTracker=new_servers;
pLocalTracker<pNewServer; pLocalTracker++)
{
if (fdfs_server_contain_ex(pJoinTracker, pLocalTracker))
{
break;
}
}
if (pLocalTracker == pNewServer)
{
memcpy(pNewServer, pJoinTracker,
sizeof(TrackerServerInfo));
fdfs_server_sock_reset(pNewServer);
pNewServer++;
}
}
add_count = (pNewServer - new_servers) - g_tracker_servers.server_count;
g_last_tracker_servers = g_tracker_servers.servers;
g_tracker_servers.servers = new_servers;
g_tracker_servers.server_count += add_count;
logInfo("file: "__FILE__", line: %d, "
"add %d tracker servers, total tracker servers: %d",
__LINE__, add_count, g_tracker_servers.server_count);
return find_my_ip_in_tracker_list();
}
static int tracker_mem_get_tracker_server(FDFSStorageJoinBody *pJoinBody, \
TrackerRunningStatus *pTrackerStatus)
{
TrackerServerInfo *pTrackerServer;
TrackerServerInfo *pTrackerEnd;
TrackerRunningStatus *pStatus;
TrackerRunningStatus trackerStatus[FDFS_MAX_TRACKERS];
int count;
int result;
int r;
int i;
memset(pTrackerStatus, 0, sizeof(TrackerRunningStatus));
pStatus = trackerStatus;
result = 0;
pTrackerEnd = pJoinBody->tracker_servers + pJoinBody->tracker_count;
for (pTrackerServer=pJoinBody->tracker_servers;
pTrackerServer<pTrackerEnd; pTrackerServer++)
{
if (fdfs_server_contain_local_service(pTrackerServer, g_server_port))
{
continue;
}
pStatus->pTrackerServer = pTrackerServer;
r = fdfs_get_tracker_status(pTrackerServer, pStatus);
if (r == 0)
{
pStatus++;
}
else if (r != ENOENT)
{
result = r;
}
}
count = pStatus - trackerStatus;
if (count == 0)
{
return result == 0 ? ENOENT : result;
}
if (count > 1)
{
qsort(trackerStatus, count, sizeof(TrackerRunningStatus), \
tracker_mem_cmp_tracker_running_status);
}
for (i=0; i<count; i++)
{
logDebug("file: "__FILE__", line: %d, "
"%s:%d leader: %d, running time: %d, "
"restart interval: %d", __LINE__,
trackerStatus[i].pTrackerServer->connections[0].ip_addr,
trackerStatus[i].pTrackerServer->connections[0].port,
trackerStatus[i].if_leader,
trackerStatus[i].running_time,
trackerStatus[i].restart_interval);
}
//copy the last
memcpy(pTrackerStatus, trackerStatus + (count - 1), \
sizeof(TrackerRunningStatus));
return 0;
}
static int tracker_mem_get_sys_files_from_others(FDFSStorageJoinBody *pJoinBody,
TrackerRunningStatus *pRunningStatus)
{
int result;
TrackerRunningStatus trackerStatus;
TrackerServerInfo *pTrackerServer;
FDFSGroups newGroups;
FDFSGroups tempGroups;
if (pJoinBody->tracker_count == 0)
{
return 0;
}
result = tracker_mem_get_tracker_server(pJoinBody, &trackerStatus);
if (result != 0)
{
return result == ENOENT ? 0 : result;
}
if (pRunningStatus != NULL)
{
if (tracker_mem_cmp_tracker_running_status(pRunningStatus,
&trackerStatus) >= 0)
{
logDebug("file: "__FILE__", line: %d, "
"%s:%d running time: %d, restart interval: %d, "
"my running time: %d, restart interval: %d, "
"do not need sync system files", __LINE__,
trackerStatus.pTrackerServer->connections[0].ip_addr,
trackerStatus.pTrackerServer->connections[0].port,
trackerStatus.running_time,
trackerStatus.restart_interval,
pRunningStatus->running_time,
pRunningStatus->restart_interval);
return 0;
}
}
pTrackerServer = trackerStatus.pTrackerServer;
result = tracker_mem_get_sys_files(pTrackerServer);
if (result != 0)
{
return result;
}
logInfo("file: "__FILE__", line: %d, "
"sys files loaded from tracker server %s:%d",
__LINE__, pTrackerServer->connections[0].ip_addr,
pTrackerServer->connections[0].port);
memset(&newGroups, 0, sizeof(newGroups));
newGroups.store_lookup = g_groups.store_lookup;
newGroups.store_server = g_groups.store_server;
newGroups.download_server = g_groups.download_server;
newGroups.store_path = g_groups.store_path;
strcpy(newGroups.store_group, g_groups.store_group);
if ((result=tracker_mem_init_groups(&newGroups)) != 0)
{
tracker_mem_destroy_groups(&newGroups, false);
return result;
}
memcpy(&tempGroups, &g_groups, sizeof(FDFSGroups));
memcpy(&g_groups, &newGroups, sizeof(FDFSGroups));
usleep(100000);
tracker_mem_destroy_groups(&tempGroups, false);
tracker_write_status_to_file(NULL);
if (changelog_fd >= 0)
{
close(changelog_fd);
changelog_fd = -1;
}
return tracker_open_changlog_file();
}
int tracker_mem_add_group_and_storage(TrackerClientInfo *pClientInfo, \
const char *ip_addr, FDFSStorageJoinBody *pJoinBody, \
const bool bNeedSleep)
{
int result;
bool bStorageInserted;
bool bGroupInserted;
FDFSStorageDetail *pStorageServer;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppEnd;
FDFSStorageIdInfo *pStorageIdInfo;
const char *storage_id;
tracker_mem_file_lock();
if (need_get_sys_files)
{
if (g_tracker_last_status.last_check_time > 0 && \
g_up_time - g_tracker_last_status.last_check_time > \
2 * TRACKER_SYNC_STATUS_FILE_INTERVAL)
{ /* stop time exceeds 2 * interval */
TrackerRunningStatus runningStatus;
runningStatus.if_leader = false;
tracker_calc_running_times(&runningStatus);
result = tracker_mem_get_sys_files_from_others(\
pJoinBody, &runningStatus);
if (result != 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, "
"get sys files from other trackers fail, errno: %d",
__LINE__, result);
return EAGAIN;
}
get_sys_files_done = true;
}
need_get_sys_files = false;
}
if ((!get_sys_files_done) && (g_groups.count == 0))
{
if (g_groups.count == 0)
{
if ((result=tracker_mem_get_sys_files_from_others( \
pJoinBody, NULL)) != 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, "
"get sys files from other trackers fail, errno: %d",
__LINE__, result);
return EAGAIN;
}
get_sys_files_done = true;
}
}
if (g_tracker_servers.servers == NULL)
{
result = tracker_mem_first_add_tracker_servers(pJoinBody);
if (result != 0)
{
tracker_mem_file_unlock();
return result;
}
}
else
{
result = tracker_mem_check_add_tracker_servers(pJoinBody);
if (result != 0)
{
tracker_mem_file_unlock();
return result;
}
}
tracker_mem_file_unlock();
if ((result=tracker_mem_add_group_ex(&g_groups, pClientInfo, \
pJoinBody->group_name, bNeedSleep, &bGroupInserted)) != 0)
{
return result;
}
if (bGroupInserted)
{
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
if (g_use_storage_id)
{
pStorageIdInfo = fdfs_get_storage_id_by_ip(
pClientInfo->pGroup->group_name, ip_addr);
if (pStorageIdInfo == NULL)
{
logError("file: "__FILE__", line: %d, " \
"get storage id info fail, group_name: %s, " \
"storage ip: %s", __LINE__, \
pClientInfo->pGroup->group_name, ip_addr);
return ENOENT;
}
storage_id = pStorageIdInfo->id;
}
else
{
pStorageIdInfo = NULL;
storage_id = ip_addr;
}
if (pClientInfo->pGroup->storage_port == 0)
{
pClientInfo->pGroup->storage_port = pJoinBody->storage_port;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
if (pClientInfo->pGroup->storage_port != \
pJoinBody->storage_port)
{
ppEnd = pClientInfo->pGroup->all_servers + \
pClientInfo->pGroup->count;
for (ppServer=pClientInfo->pGroup->all_servers; \
ppServer<ppEnd; ppServer++)
{
if (strcmp((*ppServer)->id, storage_id) == 0)
{
(*ppServer)->storage_port = \
pJoinBody->storage_port;
break;
}
}
for (ppServer=pClientInfo->pGroup->all_servers; \
ppServer<ppEnd; ppServer++)
{
if ((*ppServer)->storage_port != \
pJoinBody->storage_port)
{
break;
}
}
if (ppServer == ppEnd) //all servers are same, adjust
{
pClientInfo->pGroup->storage_port = \
pJoinBody->storage_port;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, port %d is not same " \
"in the group \"%s\", group port is %d", \
__LINE__, ip_addr, pJoinBody->storage_port, \
pJoinBody->group_name, \
pClientInfo->pGroup->storage_port);
return EINVAL;
}
}
}
if (pClientInfo->pGroup->storage_http_port == 0)
{
pClientInfo->pGroup->storage_http_port = \
pJoinBody->storage_http_port;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
if (pClientInfo->pGroup->storage_http_port != \
pJoinBody->storage_http_port)
{
ppEnd = pClientInfo->pGroup->all_servers + \
pClientInfo->pGroup->count;
for (ppServer=pClientInfo->pGroup->all_servers; \
ppServer<ppEnd; ppServer++)
{
if (strcmp((*ppServer)->id, storage_id) == 0)
{
(*ppServer)->storage_http_port = \
pJoinBody->storage_http_port;
break;
}
}
for (ppServer=pClientInfo->pGroup->all_servers; \
ppServer<ppEnd; ppServer++)
{
if ((*ppServer)->storage_http_port != \
pJoinBody->storage_http_port)
{
break;
}
}
if (ppServer == ppEnd) //all servers are same, adjust
{
pClientInfo->pGroup->storage_http_port = \
pJoinBody->storage_http_port;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, http port %d is not same " \
"in the group \"%s\", group http port is %d", \
__LINE__, ip_addr, \
pJoinBody->storage_http_port, \
pJoinBody->group_name, \
pClientInfo->pGroup->storage_http_port);
#ifdef WITH_HTTPD
return EINVAL;
#endif
}
}
}
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
pStorageServer = tracker_mem_get_storage(pClientInfo->pGroup, storage_id);
if (pthread_mutex_unlock(&mem_thread_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail", \
__LINE__);
}
if (pStorageServer == NULL)
{
if (!pJoinBody->init_flag)
{
if (pJoinBody->status < 0 || \
pJoinBody->status == FDFS_STORAGE_STATUS_DELETED || \
pJoinBody->status == FDFS_STORAGE_STATUS_IP_CHANGED || \
pJoinBody->status == FDFS_STORAGE_STATUS_NONE)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s:%d, invalid storage " \
"status %d, in the group \"%s\"", \
__LINE__, ip_addr, \
pJoinBody->storage_port, \
pJoinBody->status, \
pJoinBody->group_name);
return EFAULT;
}
}
}
if ((result=tracker_mem_add_storage(pClientInfo, storage_id, ip_addr,
bNeedSleep, true, &bStorageInserted)) != 0)
{
return result;
}
pStorageServer = pClientInfo->pStorage;
pStorageServer->store_path_count = pJoinBody->store_path_count;
pStorageServer->subdir_count_per_path = pJoinBody->subdir_count_per_path;
pStorageServer->upload_priority = pJoinBody->upload_priority;
pStorageServer->join_time = pJoinBody->join_time;
pStorageServer->up_time = pJoinBody->up_time;
snprintf(pStorageServer->version, sizeof(pStorageServer->version), \
"%s", pJoinBody->version);
snprintf(pStorageServer->domain_name, \
sizeof(pStorageServer->domain_name), \
"%s", pJoinBody->domain_name);
pStorageServer->storage_port = pJoinBody->storage_port;
pStorageServer->storage_http_port = pJoinBody->storage_http_port;
if (pClientInfo->pGroup->store_path_count == 0)
{
pClientInfo->pGroup->store_path_count = \
pJoinBody->store_path_count;
if ((result=tracker_malloc_group_path_mbs( \
pClientInfo->pGroup)) != 0)
{
return result;
}
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
if (pClientInfo->pGroup->store_path_count !=
pJoinBody->store_path_count)
{
ppEnd = pClientInfo->pGroup->all_servers +
pClientInfo->pGroup->count;
for (ppServer=pClientInfo->pGroup->all_servers;
ppServer<ppEnd; ppServer++)
{
if ((*ppServer)->status == FDFS_STORAGE_STATUS_DELETED)
{
continue;
}
if ((*ppServer)->store_path_count !=
pJoinBody->store_path_count)
{
break;
}
}
if (ppServer == ppEnd) //all servers are same, adjust
{
if ((result=tracker_realloc_group_path_mbs(
pClientInfo->pGroup, pJoinBody->
store_path_count)) != 0)
{
return result;
}
if ((result=tracker_save_groups()) != 0)
{
return result;
}
logDebug("file: "__FILE__", line: %d, " \
"all storage server's store_path_count " \
"are same, adjust to %d", \
__LINE__, pJoinBody->store_path_count);
}
else if (pJoinBody->store_path_count < \
pClientInfo->pGroup->store_path_count)
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, store_path_count %d less " \
"than that of the group \"%s\", " \
"the group store_path_count is %d", \
__LINE__, ip_addr, \
pJoinBody->store_path_count, \
pJoinBody->group_name, \
pClientInfo->pGroup->store_path_count);
return EINVAL;
}
}
}
if (pClientInfo->pGroup->subdir_count_per_path == 0)
{
pClientInfo->pGroup->subdir_count_per_path = \
pJoinBody->subdir_count_per_path;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
if (pClientInfo->pGroup->subdir_count_per_path != \
pJoinBody->subdir_count_per_path)
{
ppEnd = pClientInfo->pGroup->all_servers + \
pClientInfo->pGroup->count;
for (ppServer=pClientInfo->pGroup->all_servers; \
ppServer<ppEnd; ppServer++)
{
if ((*ppServer)->subdir_count_per_path != \
pJoinBody->subdir_count_per_path)
{
break;
}
}
if (ppServer == ppEnd) //all servers are same, adjust
{
pClientInfo->pGroup->subdir_count_per_path = \
pJoinBody->subdir_count_per_path;
if ((result=tracker_save_groups()) != 0)
{
return result;
}
}
else
{
logError("file: "__FILE__", line: %d, " \
"client ip: %s, subdir_count_per_path %d is " \
"not same in the group \"%s\", " \
"group subdir_count_per_path is %d", \
__LINE__, ip_addr, \
pJoinBody->subdir_count_per_path, \
pJoinBody->group_name,\
pClientInfo->pGroup->subdir_count_per_path);
return EINVAL;
}
}
}
if (bStorageInserted)
{
if ((!pJoinBody->init_flag) && pJoinBody->status > 0)
{
if (pJoinBody->status == FDFS_STORAGE_STATUS_ACTIVE)
{
pStorageServer->status = FDFS_STORAGE_STATUS_ONLINE;
}
else
{
pStorageServer->status = pJoinBody->status;
}
}
if ((result=tracker_save_sys_files()) != 0)
{
return result;
}
}
if (pStorageServer->status == FDFS_STORAGE_STATUS_OFFLINE || \
pStorageServer->status == FDFS_STORAGE_STATUS_RECOVERY)
{
pStorageServer->status = FDFS_STORAGE_STATUS_ONLINE;
}
else if (pStorageServer->status == FDFS_STORAGE_STATUS_INIT)
{
pStorageServer->changelog_offset = g_changelog_fsize;
}
logDebug("file: "__FILE__", line: %d, " \
"storage server %s::%s join in, remain changelog bytes: " \
"%"PRId64, __LINE__, \
pClientInfo->pGroup->group_name, ip_addr, \
g_changelog_fsize - pStorageServer->changelog_offset);
return 0;
}
int tracker_mem_sync_storages(FDFSGroupInfo *pGroup, \
FDFSStorageBrief *briefServers, const int server_count)
{
int result;
FDFSStorageBrief *pServer;
FDFSStorageBrief *pEnd;
FDFSStorageDetail target_storage;
FDFSStorageDetail *pTargetStorage;
FDFSStorageDetail **ppFound;
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
result = 0;
do
{
memset(&target_storage, 0, sizeof(target_storage));
pEnd = briefServers + server_count;
for (pServer=briefServers; pServer<pEnd; pServer++)
{
pServer->id[FDFS_STORAGE_ID_MAX_SIZE - 1] = '\0';
pServer->ip_addr[IP_ADDRESS_SIZE - 1] = '\0';
if (pServer->status == FDFS_STORAGE_STATUS_NONE)
{
continue;
}
memcpy(target_storage.id, pServer->id,
FDFS_STORAGE_ID_MAX_SIZE);
pTargetStorage = &target_storage;
if ((ppFound=(FDFSStorageDetail **)bsearch(
&pTargetStorage,
pGroup->sorted_servers,
pGroup->count,
sizeof(FDFSStorageDetail *),
tracker_mem_cmp_by_storage_id)) != NULL)
{
if ((*ppFound)->status == pServer->status \
|| (*ppFound)->status == \
FDFS_STORAGE_STATUS_INIT \
|| (*ppFound)->status == \
FDFS_STORAGE_STATUS_ONLINE \
|| (*ppFound)->status == \
FDFS_STORAGE_STATUS_ACTIVE
|| (*ppFound)->status == \
FDFS_STORAGE_STATUS_RECOVERY)
{
continue;
}
logWarning("file: "__FILE__", line: %d, "
"storage server: %s:%d, dest status: %d, "
"my status: %d, should change my status!",
__LINE__, FDFS_CURRENT_IP_ADDR(*ppFound),
(*ppFound)->storage_port,
pServer->status, (*ppFound)->status);
if (pServer->status == \
FDFS_STORAGE_STATUS_DELETED
|| pServer->status == \
FDFS_STORAGE_STATUS_IP_CHANGED)
{
(*ppFound)->status = pServer->status;
pGroup->chg_count++;
continue;
}
if (pServer->status > (*ppFound)->status)
{
(*ppFound)->status = pServer->status;
pGroup->chg_count++;
}
}
else if (pServer->status == FDFS_STORAGE_STATUS_DELETED
|| pServer->status == FDFS_STORAGE_STATUS_IP_CHANGED)
{
//ignore deleted storage server
}
else if (pServer->status == FDFS_STORAGE_STATUS_ACTIVE
|| pServer->status == FDFS_STORAGE_STATUS_ONLINE)
{
//ignore online or active storage server
}
else
{
FDFSStorageDetail *pStorageServer;
bool bInserted;
result = _tracker_mem_add_storage(pGroup,
&pStorageServer, pServer->id,
pServer->ip_addr, true, false,
&bInserted);
if (result == 0 && bInserted)
{
pStorageServer->status = pServer->status;
}
}
}
} while (0);
if (pthread_mutex_unlock(&mem_thread_lock) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail", \
__LINE__);
}
return result;
}
static void tracker_mem_find_store_server(FDFSGroupInfo *pGroup)
{
if (pGroup->active_count == 0)
{
pGroup->pStoreServer = NULL;
return;
}
if (g_groups.store_server == FDFS_STORE_SERVER_FIRST_BY_PRI)
{
FDFSStorageDetail **ppEnd;
FDFSStorageDetail **ppServer;
FDFSStorageDetail *pMinPriServer;
pMinPriServer = *(pGroup->active_servers);
ppEnd = pGroup->active_servers + pGroup->active_count;
for (ppServer=pGroup->active_servers+1; ppServer<ppEnd; \
ppServer++)
{
if ((*ppServer)->upload_priority < \
pMinPriServer->upload_priority)
{
pMinPriServer = *ppServer;
}
}
pGroup->pStoreServer = pMinPriServer;
}
else
{
pGroup->pStoreServer = *(pGroup->active_servers);
}
}
static int _storage_get_trunk_binlog_size(
ConnectionInfo *pStorageServer, int64_t *file_size)
{
char out_buff[sizeof(TrackerHeader)];
char in_buff[8];
TrackerHeader *pHeader;
char *pInBuff;
int64_t in_bytes;
int result;
pHeader = (TrackerHeader *)out_buff;
memset(out_buff, 0, sizeof(out_buff));
pHeader->cmd = STORAGE_PROTO_CMD_TRUNK_GET_BINLOG_SIZE;
if ((result=tcpsenddata_nb(pStorageServer->sock, out_buff, \
sizeof(out_buff), g_fdfs_network_timeout)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"storage server %s:%d, send data fail, " \
"errno: %d, error info: %s.", \
__LINE__, pStorageServer->ip_addr, \
pStorageServer->port, \
result, STRERROR(result));
return result;
}
pInBuff = in_buff;
if ((result=fdfs_recv_response(pStorageServer, \
&pInBuff, sizeof(in_buff), &in_bytes)) != 0)
{
logError("file: "__FILE__", line: %d, "
"fdfs_recv_response fail, result: %d",
__LINE__, result);
return result;
}
if (in_bytes != sizeof(in_buff))
{
logError("file: "__FILE__", line: %d, " \
"storage server %s:%d, recv body length: " \
"%"PRId64" != %d", \
__LINE__, pStorageServer->ip_addr, \
pStorageServer->port, in_bytes, (int)sizeof(in_buff));
return EINVAL;
}
*file_size = buff2long(in_buff);
return 0;
}
static int tracker_mem_get_trunk_binlog_size(
const char *storage_ip, const int port, int64_t *file_size)
{
ConnectionInfo storage_server;
ConnectionInfo *conn;
int result;
*file_size = 0;
strcpy(storage_server.ip_addr, storage_ip);
storage_server.port = port;
storage_server.sock = -1;
if ((conn=tracker_make_connection(&storage_server, &result)) == NULL)
{
return result;
}
result = _storage_get_trunk_binlog_size(conn, file_size);
tracker_close_connection_ex(conn, result != 0);
logDebug("file: "__FILE__", line: %d, " \
"storage %s:%d, trunk binlog file size: %"PRId64, \
__LINE__, storage_server.ip_addr, storage_server.port, \
*file_size);
return result;
}
static int tracker_write_to_trunk_change_log(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pLastTrunkServer)
{
char full_filename[MAX_PATH_SIZE];
char buff[256];
int fd;
int len;
struct tm tm;
time_t current_time;
FDFSStorageDetail *pLastTrunk;
tracker_mem_file_lock();
snprintf(full_filename, sizeof(full_filename), "%s/logs/%s", \
g_fdfs_base_path, TRUNK_SERVER_CHANGELOG_FILENAME);
if ((fd=open(full_filename, O_WRONLY | O_CREAT | O_APPEND, 0644)) < 0)
{
tracker_mem_file_unlock();
logError("file: "__FILE__", line: %d, " \
"open \"%s\" fail, errno: %d, error info: %s", \
__LINE__, full_filename, errno, STRERROR(errno));
return errno != 0 ? errno : ENOENT;
}
current_time = g_current_time;
localtime_r(&current_time, &tm);
len = sprintf(buff, "[%04d-%02d-%02d %02d:%02d:%02d] %s ", \
tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday, \
tm.tm_hour, tm.tm_min, tm.tm_sec, pGroup->group_name);
pLastTrunk = pLastTrunkServer;
if (pLastTrunk == NULL && *(pGroup->last_trunk_server_id) != '\0')
{
pLastTrunk = tracker_mem_get_storage(pGroup, \
pGroup->last_trunk_server_id);
}
if (g_use_storage_id)
{
if (pLastTrunk == NULL)
{
len += sprintf(buff + len, " %s/%s => ",
*(pGroup->last_trunk_server_id) == '\0' ?
"-" : pGroup->last_trunk_server_id, "-");
}
else
{
len += sprintf(buff + len, " %s/%s => ",
pLastTrunk->id, FDFS_CURRENT_IP_ADDR(pLastTrunk));
}
if (pGroup->pTrunkServer == NULL)
{
len += sprintf(buff + len, " %s/%s\n", "-", "-");
}
else
{
len += sprintf(buff + len, " %s/%s\n",
pGroup->pTrunkServer->id,
FDFS_CURRENT_IP_ADDR(pGroup->pTrunkServer));
}
}
else
{
if (pLastTrunk == NULL)
{
len += sprintf(buff + len, " %s => ",
*(pGroup->last_trunk_server_id) == '\0' ?
"-" : pGroup->last_trunk_server_id);
}
else
{
len += sprintf(buff + len, " %s => ",
FDFS_CURRENT_IP_ADDR(pLastTrunk));
}
if (pGroup->pTrunkServer == NULL)
{
len += sprintf(buff + len, " %s\n", "-");
}
else
{
len += sprintf(buff + len, " %s\n",
FDFS_CURRENT_IP_ADDR(pGroup->pTrunkServer));
}
}
if (fc_safe_write(fd, buff, len) != len)
{
logError("file: "__FILE__", line: %d, " \
"write to file \"%s\" fail, " \
"errno: %d, error info: %s", \
__LINE__, full_filename, \
errno, STRERROR(errno));
}
close(fd);
tracker_mem_file_unlock();
return 0;
}
static int tracker_set_trunk_server_and_log(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pNewTrunkServer)
{
FDFSStorageDetail *pLastTrunkServer;
pLastTrunkServer = pGroup->pTrunkServer;
pGroup->pTrunkServer = pNewTrunkServer;
if (pNewTrunkServer == NULL || strcmp(pNewTrunkServer->id, \
pGroup->last_trunk_server_id) != 0)
{
int result;
result = tracker_write_to_trunk_change_log(pGroup, \
pLastTrunkServer);
if (pNewTrunkServer == NULL)
{
*(pGroup->last_trunk_server_id) = '\0';
}
else
{
strcpy(pGroup->last_trunk_server_id, \
pNewTrunkServer->id);
}
return result;
}
return 0;
}
static int tracker_mem_do_set_trunk_server(FDFSGroupInfo *pGroup,
FDFSStorageDetail *pTrunkServer, const bool save)
{
int result;
if (*(pGroup->last_trunk_server_id) != '\0' &&
strcmp(pTrunkServer->id, pGroup->last_trunk_server_id) != 0)
{
if ((result=fdfs_deal_no_body_cmd_ex(
FDFS_CURRENT_IP_ADDR(pTrunkServer),
pGroup->storage_port,
STORAGE_PROTO_CMD_TRUNK_DELETE_BINLOG_MARKS)) != 0)
{
logError("file: "__FILE__", line: %d, "
"fdfs_deal_no_body_cmd_ex fail, result: %d",
__LINE__, result);
return result;
}
}
tracker_set_trunk_server_and_log(pGroup, pTrunkServer);
pGroup->trunk_chg_count++;
g_trunk_server_chg_count++;
logInfo("file: "__FILE__", line: %d, "
"group: %s, trunk server set to %s(%s:%d)", __LINE__,
pGroup->group_name, pGroup->pTrunkServer->id,
FDFS_CURRENT_IP_ADDR(pGroup->pTrunkServer),
pGroup->storage_port);
if (save)
{
return tracker_save_groups();
}
return 0;
}
static int tracker_mem_find_trunk_server(FDFSGroupInfo *pGroup,
const bool save)
{
FDFSStorageDetail *pStoreServer;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
int result;
int64_t file_size;
int64_t max_file_size;
pStoreServer = pGroup->pStoreServer;
if (pStoreServer == NULL)
{
return ENOENT;
}
result = tracker_mem_get_trunk_binlog_size(
FDFS_CURRENT_IP_ADDR(pStoreServer),
pGroup->storage_port, &max_file_size);
if (result != 0)
{
return result;
}
ppServerEnd = pGroup->active_servers + pGroup->active_count;
for (ppServer=pGroup->active_servers; ppServer<ppServerEnd; ppServer++)
{
if (*ppServer == pStoreServer)
{
continue;
}
result = tracker_mem_get_trunk_binlog_size(
FDFS_CURRENT_IP_ADDR(*ppServer),
pGroup->storage_port, &file_size);
if (result != 0)
{
continue;
}
if (file_size > max_file_size)
{
pStoreServer = *ppServer;
}
}
return tracker_mem_do_set_trunk_server(pGroup, pStoreServer, save);
}
const FDFSStorageDetail *tracker_mem_set_trunk_server( \
FDFSGroupInfo *pGroup, const char *pStroageId, int *result)
{
FDFSStorageDetail *pServer;
FDFSStorageDetail *pTrunkServer;
if (!(g_if_leader_self && g_if_use_trunk_file))
{
*result = EOPNOTSUPP;
return NULL;
}
pTrunkServer = pGroup->pTrunkServer;
if (pStroageId == NULL || *pStroageId == '\0')
{
if (pTrunkServer != NULL && pTrunkServer-> \
status == FDFS_STORAGE_STATUS_ACTIVE)
{
*result = 0;
return pTrunkServer;
}
*result = tracker_mem_find_trunk_server(pGroup, true);
if (*result != 0)
{
return NULL;
}
return pGroup->pTrunkServer;
}
if (pTrunkServer != NULL && pTrunkServer->status == \
FDFS_STORAGE_STATUS_ACTIVE)
{
if (strcmp(pStroageId, pTrunkServer->id) == 0)
{
*result = EALREADY;
}
else
{
*result = EEXIST;
}
return pTrunkServer;
}
pServer = tracker_mem_get_storage(pGroup, pStroageId);
if (pServer == NULL)
{
*result = ENOENT;
return NULL;
}
if (pServer->status != FDFS_STORAGE_STATUS_ACTIVE)
{
*result = ENONET;
return NULL;
}
*result = tracker_mem_do_set_trunk_server(pGroup, \
pServer, true);
return *result == 0 ? pGroup->pTrunkServer : NULL;
}
int tracker_mem_deactive_store_server(FDFSGroupInfo *pGroup,
FDFSStorageDetail *pTargetServer)
{
int result;
FDFSStorageDetail **ppStorageServer;
FDFSStorageDetail **ppEnd;
FDFSStorageDetail **ppServer;
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
ppStorageServer = (FDFSStorageDetail **)bsearch( \
&pTargetServer, \
pGroup->active_servers, \
pGroup->active_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
(*ppStorageServer)->chg_count = 0;
(*ppStorageServer)->trunk_chg_count = 0;
ppEnd = pGroup->active_servers + pGroup->active_count - 1;
for (ppServer=ppStorageServer; ppServer<ppEnd; ppServer++)
{
*ppServer = *(ppServer+1);
}
pGroup->active_count--;
pGroup->chg_count++;
#ifdef WITH_HTTPD
if (g_http_check_interval <= 0)
{
pGroup->http_server_count = pGroup->active_count;
}
#endif
}
tracker_mem_find_store_server(pGroup);
if ((result=pthread_mutex_unlock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
int tracker_mem_active_store_server(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pTargetServer)
{
int result;
FDFSStorageDetail **ppStorageServer;
if ((pTargetServer->status == FDFS_STORAGE_STATUS_WAIT_SYNC) || \
(pTargetServer->status == FDFS_STORAGE_STATUS_SYNCING) || \
(pTargetServer->status == FDFS_STORAGE_STATUS_IP_CHANGED) || \
(pTargetServer->status == FDFS_STORAGE_STATUS_INIT))
{
return 0;
}
/*
if (pTargetServer->status == FDFS_STORAGE_STATUS_DELETED)
{
logError("file: "__FILE__", line: %d, " \
"storage ip: %s already deleted, you can " \
"restart the tracker servers to reset.", \
__LINE__, pTargetServer->ip_addr);
return EAGAIN;
}
*/
pTargetServer->status = FDFS_STORAGE_STATUS_ACTIVE;
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetServer, \
pGroup->active_servers, \
pGroup->active_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer != NULL)
{
return 0;
}
if ((result=pthread_mutex_lock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_lock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
ppStorageServer = (FDFSStorageDetail **)bsearch(&pTargetServer, \
pGroup->active_servers, \
pGroup->active_count, \
sizeof(FDFSStorageDetail *), \
tracker_mem_cmp_by_storage_id);
if (ppStorageServer == NULL)
{
tracker_mem_insert_into_sorted_servers( \
pTargetServer, pGroup->active_servers, \
pGroup->active_count);
pGroup->active_count++;
pGroup->chg_count++;
#ifdef WITH_HTTPD
if (g_http_check_interval <= 0)
{
pGroup->http_server_count = pGroup->active_count;
}
#endif
if (g_use_storage_id)
{
logDebug("file: "__FILE__", line: %d, "
"storage server %s::%s(%s) now active",
__LINE__, pGroup->group_name,
pTargetServer->id, FDFS_CURRENT_IP_ADDR(pTargetServer));
}
else
{
logDebug("file: "__FILE__", line: %d, "
"storage server %s::%s now active",
__LINE__, pGroup->group_name,
FDFS_CURRENT_IP_ADDR(pTargetServer));
}
}
tracker_mem_find_store_server(pGroup);
if (g_if_leader_self && g_if_use_trunk_file && \
pGroup->pTrunkServer == NULL)
{
tracker_mem_find_trunk_server(pGroup, true);
}
if ((result=pthread_mutex_unlock(&mem_thread_lock)) != 0)
{
logError("file: "__FILE__", line: %d, " \
"call pthread_mutex_unlock fail, " \
"errno: %d, error info: %s", \
__LINE__, result, STRERROR(result));
return result;
}
return 0;
}
void tracker_mem_find_trunk_servers()
{
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
if (!(g_if_leader_self && g_if_use_trunk_file))
{
return;
}
pthread_mutex_lock(&mem_thread_lock);
ppGroupEnd = g_groups.groups + g_groups.count;
for (ppGroup=g_groups.groups; ppGroup<ppGroupEnd; ppGroup++)
{
if ((*ppGroup)->pTrunkServer == NULL)
{
tracker_mem_find_trunk_server(*ppGroup, true);
}
}
g_trunk_server_chg_count++;
pthread_mutex_unlock(&mem_thread_lock);
}
int tracker_mem_offline_store_server(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pStorage)
{
pStorage->up_time = 0;
if ((pStorage->status == FDFS_STORAGE_STATUS_WAIT_SYNC) || \
(pStorage->status == FDFS_STORAGE_STATUS_SYNCING) || \
(pStorage->status == FDFS_STORAGE_STATUS_INIT) || \
(pStorage->status == FDFS_STORAGE_STATUS_DELETED) || \
(pStorage->status == FDFS_STORAGE_STATUS_IP_CHANGED) || \
(pStorage->status == FDFS_STORAGE_STATUS_RECOVERY))
{
return 0;
}
if (g_use_storage_id)
{
logDebug("file: "__FILE__", line: %d, "
"storage server %s::%s (%s) offline",
__LINE__, pGroup->group_name,
pStorage->id, FDFS_CURRENT_IP_ADDR(pStorage));
}
else
{
logDebug("file: "__FILE__", line: %d, "
"storage server %s::%s offline",
__LINE__, pGroup->group_name,
FDFS_CURRENT_IP_ADDR(pStorage));
}
pStorage->status = FDFS_STORAGE_STATUS_OFFLINE;
return tracker_mem_deactive_store_server(pGroup, pStorage);
}
FDFSStorageDetail *tracker_get_writable_storage(FDFSGroupInfo *pStoreGroup)
{
int write_server_index;
if (g_groups.store_server == FDFS_STORE_SERVER_ROUND_ROBIN)
{
write_server_index = pStoreGroup->current_write_server++;
if (pStoreGroup->current_write_server >= \
pStoreGroup->active_count)
{
pStoreGroup->current_write_server = 0;
}
if (write_server_index >= pStoreGroup->active_count)
{
write_server_index = 0;
}
return *(pStoreGroup->active_servers + write_server_index);
}
else //use the first server
{
return pStoreGroup->pStoreServer;
}
}
int tracker_mem_get_storage_by_filename(const byte cmd,FDFS_DOWNLOAD_TYPE_PARAM\
const char *group_name, const char *filename, const int filename_len, \
FDFSGroupInfo **ppGroup, FDFSStorageDetail **ppStoreServers, \
int *server_count)
{
char szIpAddr[IP_ADDRESS_SIZE];
char storage_id[FDFS_STORAGE_ID_MAX_SIZE];
FDFSStorageDetail *pStoreSrcServer;
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
FDFSStorageDetail *pGroupStoreServer;
int file_timestamp;
int storage_ip;
int read_server_index;
int cmp_res;
struct in_addr ip_addr;
time_t current_time;
bool bNormalFile;
*server_count = 0;
*ppGroup = tracker_mem_get_group(group_name);
if (*ppGroup == NULL)
{
logError("file: "__FILE__", line: %d, " \
"invalid group_name: %s", \
__LINE__, group_name);
return ENOENT;
}
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
if ((*ppGroup)->active_count == 0)
{
return ENOENT;
}
}
else
{
if ((*ppGroup)->http_server_count == 0)
{
return ENOENT;
}
}
#else
if ((*ppGroup)->active_count == 0)
{
return ENOENT;
}
#endif
pGroupStoreServer = (*ppGroup)->pStoreServer;
if (pGroupStoreServer == NULL)
{
return ENOENT;
}
//file generated by version < v1.12
if (filename_len < 32 + (FDFS_FILE_EXT_NAME_MAX_LEN + 1))
{
storage_ip = INADDR_NONE;
*storage_id = '\0';
file_timestamp = 0;
bNormalFile = true;
}
else //file generated by version >= v1.12
{
int64_t file_size;
char name_buff[64];
int decoded_len;
base64_decode_auto(&g_base64_context, (char *)filename + \
FDFS_LOGIC_FILE_PATH_LEN, FDFS_FILENAME_BASE64_LENGTH, \
name_buff, &decoded_len);
storage_ip = ntohl(buff2int(name_buff));
file_timestamp = buff2int(name_buff+sizeof(int));
file_size = buff2long(name_buff + sizeof (int) * 2);
if (fdfs_get_server_id_type(storage_ip) == FDFS_ID_TYPE_SERVER_ID)
{
sprintf(storage_id, "%d", storage_ip);
}
else
{
*storage_id = '\0';
}
bNormalFile = !(IS_SLAVE_FILE(filename_len, file_size) || \
IS_APPENDER_FILE(file_size));
}
/*
//logInfo("cmd=%d, bNormalFile=%d, storage_ip=%d, storage_id=%s, "
"file_timestamp=%d\n", cmd, bNormalFile, storage_ip,
storage_id, file_timestamp);
*/
memset(szIpAddr, 0, sizeof(szIpAddr));
if (cmd == TRACKER_PROTO_CMD_SERVICE_QUERY_FETCH_ONE)
{
if (g_groups.download_server == \
FDFS_DOWNLOAD_SERVER_SOURCE_FIRST)
{
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(\
*ppGroup, storage_id);
}
else
{
memset(&ip_addr, 0, sizeof(ip_addr));
ip_addr.s_addr = storage_ip;
pStoreSrcServer=tracker_mem_get_active_storage_by_ip( \
*ppGroup, inet_ntop(AF_INET, &ip_addr, \
szIpAddr, sizeof(szIpAddr)));
}
}
else
{
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_http_server_by_id( \
*ppGroup, storage_id);
}
else
{
memset(&ip_addr, 0, sizeof(ip_addr));
ip_addr.s_addr = storage_ip;
pStoreSrcServer=tracker_mem_get_active_http_server_by_ip( \
*ppGroup, inet_ntop(AF_INET, &ip_addr, \
szIpAddr, sizeof(szIpAddr)));
}
}
#else
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(\
*ppGroup, storage_id);
}
else
{
memset(&ip_addr, 0, sizeof(ip_addr));
ip_addr.s_addr = storage_ip;
pStoreSrcServer=tracker_mem_get_active_storage_by_ip(\
*ppGroup, inet_ntop(AF_INET, &ip_addr, \
szIpAddr, sizeof(szIpAddr)));
}
#endif
if (pStoreSrcServer != NULL)
{
ppStoreServers[(*server_count)++] = \
pStoreSrcServer;
return 0;
}
}
//round robin
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
read_server_index = (*ppGroup)->current_read_server;
if (read_server_index >= (*ppGroup)->active_count)
{
read_server_index = 0;
}
ppStoreServers[(*server_count)++]=*((*ppGroup)->active_servers \
+ read_server_index);
}
else
{
read_server_index = (*ppGroup)->current_http_server;
if (read_server_index >= (*ppGroup)->http_server_count)
{
read_server_index = 0;
}
ppStoreServers[(*server_count)++]=*((*ppGroup)->http_servers \
+ read_server_index);
}
#else
read_server_index = (*ppGroup)->current_read_server;
if (read_server_index >= (*ppGroup)->active_count)
{
read_server_index = 0;
}
ppStoreServers[(*server_count)++]=*((*ppGroup)->active_servers \
+ read_server_index);
#endif
/*
//logInfo("filename=%s, storage server ip=%s, " \
"file_timestamp=%d, last_synced_timestamp=%d\n",
filename, ppStoreServers[0]->ip_addr, file_timestamp, \
(int)ppStoreServers[0]->stat.last_synced_timestamp);
*/
do
{
if (bNormalFile)
{
current_time = g_current_time;
if ((file_timestamp < current_time - \
g_storage_sync_file_max_delay) || \
(ppStoreServers[0]->stat.last_synced_timestamp > \
file_timestamp) || \
(ppStoreServers[0]->stat.last_synced_timestamp + 1 >= \
file_timestamp && current_time - file_timestamp > \
g_storage_sync_file_max_time)\
|| (storage_ip == INADDR_NONE \
&& g_groups.store_server == FDFS_STORE_SERVER_ROUND_ROBIN))
{
break;
}
if (storage_ip == INADDR_NONE)
{
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
ppStoreServers[0] = pGroupStoreServer;
break;
}
else
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(
*ppGroup, pGroupStoreServer->id);
if (pStoreSrcServer != NULL)
{
ppStoreServers[0] = pStoreSrcServer;
break;
}
}
#else
ppStoreServers[0] = pGroupStoreServer;
break;
#endif
}
}
memset(&ip_addr, 0, sizeof(ip_addr));
if (*storage_id != '\0')
{
cmp_res = strcmp(storage_id, ppStoreServers[0]->id);
}
else
{
ip_addr.s_addr = storage_ip;
inet_ntop(AF_INET, &ip_addr, szIpAddr, sizeof(szIpAddr));
cmp_res = strcmp(szIpAddr, FDFS_CURRENT_IP_ADDR(ppStoreServers[0]));
}
if (cmp_res == 0)
{
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
break;
}
else //http
{
if (*storage_id != '\0')
{
if (tracker_mem_get_active_http_server_by_id(
*ppGroup, storage_id) != NULL)
{
break;
}
}
else if (tracker_mem_get_active_http_server_by_ip(
*ppGroup, szIpAddr) != NULL)
{
break;
}
}
#else
break;
#endif
}
if (g_groups.download_server == \
FDFS_DOWNLOAD_SERVER_ROUND_ROBIN)
{ //avoid search again
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(
*ppGroup, storage_id);
}
else
{
pStoreSrcServer=tracker_mem_get_active_storage_by_ip(
*ppGroup, szIpAddr);
}
}
else //http
{
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_http_server_by_id(
*ppGroup, storage_id);
}
else
{
pStoreSrcServer=tracker_mem_get_active_http_server_by_ip(
*ppGroup, szIpAddr);
}
}
#else
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(
*ppGroup, storage_id);
}
else
{
pStoreSrcServer=tracker_mem_get_active_storage_by_ip(
*ppGroup, szIpAddr);
}
#endif
if (pStoreSrcServer != NULL)
{
ppStoreServers[0] = pStoreSrcServer;
break;
}
}
if (g_groups.store_server != \
FDFS_STORE_SERVER_ROUND_ROBIN)
{
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
ppStoreServers[0] = pGroupStoreServer;
}
else //http
{
pStoreSrcServer=tracker_mem_get_active_http_server_by_id(
*ppGroup, pGroupStoreServer->id);
if (pStoreSrcServer != NULL)
{
ppStoreServers[0] = pStoreSrcServer;
}
else
{
ppStoreServers[0] = *((*ppGroup)->http_servers);
}
}
#else
ppStoreServers[0] = pGroupStoreServer;
#endif
break;
}
} while (0);
#ifdef WITH_HTTPD
if (download_type == FDFS_DOWNLOAD_TYPE_TCP)
{
(*ppGroup)->current_read_server++;
if ((*ppGroup)->current_read_server >= (*ppGroup)->active_count)
{
(*ppGroup)->current_read_server = 0;
}
}
else //http
{
(*ppGroup)->current_http_server++;
if ((*ppGroup)->current_http_server >= \
(*ppGroup)->http_server_count)
{
(*ppGroup)->current_http_server = 0;
}
}
#else
(*ppGroup)->current_read_server++;
if ((*ppGroup)->current_read_server >= (*ppGroup)->active_count)
{
(*ppGroup)->current_read_server = 0;
}
#endif
}
else if (cmd == TRACKER_PROTO_CMD_SERVICE_QUERY_UPDATE)
{
if (storage_ip != INADDR_NONE)
{
if (*storage_id != '\0')
{
pStoreSrcServer=tracker_mem_get_active_storage_by_id(\
*ppGroup, storage_id);
}
else
{
memset(&ip_addr, 0, sizeof(ip_addr));
ip_addr.s_addr = storage_ip;
pStoreSrcServer=tracker_mem_get_active_storage_by_ip(\
*ppGroup, inet_ntop(AF_INET, &ip_addr, \
szIpAddr, sizeof(szIpAddr)));
}
if (pStoreSrcServer != NULL)
{
ppStoreServers[(*server_count)++] = \
pStoreSrcServer;
return 0;
}
}
ppStoreServers[0] = tracker_get_writable_storage(*ppGroup);
*server_count = ppStoreServers[0] != NULL ? 1 : 0;
}
else //TRACKER_PROTO_CMD_SERVICE_QUERY_FETCH_ALL
{
memset(szIpAddr, 0, sizeof(szIpAddr));
if (storage_ip != INADDR_NONE)
{
memset(&ip_addr, 0, sizeof(ip_addr));
ip_addr.s_addr = storage_ip;
inet_ntop(AF_INET, &ip_addr,szIpAddr,sizeof(szIpAddr));
}
if (bNormalFile)
{
current_time = g_current_time;
ppServerEnd = (*ppGroup)->active_servers + \
(*ppGroup)->active_count;
for (ppServer=(*ppGroup)->active_servers; \
ppServer<ppServerEnd; ppServer++)
{
if ((file_timestamp < current_time -
g_storage_sync_file_max_delay) ||
((*ppServer)->stat.last_synced_timestamp >
file_timestamp) ||
((*ppServer)->stat.last_synced_timestamp + 1 >=
file_timestamp && current_time - file_timestamp >
g_storage_sync_file_max_time)
|| (storage_ip == INADDR_NONE
&& g_groups.store_server ==
FDFS_STORE_SERVER_ROUND_ROBIN)
|| strcmp(FDFS_CURRENT_IP_ADDR(*ppServer), szIpAddr) == 0)
{
ppStoreServers[(*server_count)++] = *ppServer;
}
}
}
else
{
if (*storage_id != '\0')
{
pStoreSrcServer = tracker_mem_get_active_storage_by_id( \
*ppGroup, storage_id);
}
else
{
pStoreSrcServer = tracker_mem_get_active_storage_by_ip( \
*ppGroup, szIpAddr);
}
if (pStoreSrcServer != NULL)
{
ppStoreServers[(*server_count)++] = \
pStoreSrcServer;
}
}
if (*server_count == 0)
{
ppStoreServers[(*server_count)++] = pGroupStoreServer;
}
}
return *server_count > 0 ? 0 : ENOENT;
}
int tracker_mem_check_alive(void *arg)
{
FDFSStorageDetail **ppServer;
FDFSStorageDetail **ppServerEnd;
FDFSGroupInfo **ppGroup;
FDFSGroupInfo **ppGroupEnd;
FDFSStorageDetail *deactiveServers[FDFS_MAX_SERVERS_EACH_GROUP];
int deactiveCount;
time_t current_time;
current_time = g_current_time;
ppGroupEnd = g_groups.groups + g_groups.count;
for (ppGroup=g_groups.groups; ppGroup<ppGroupEnd; ppGroup++)
{
deactiveCount = 0;
ppServerEnd = (*ppGroup)->active_servers + (*ppGroup)->active_count;
for (ppServer=(*ppGroup)->active_servers; ppServer<ppServerEnd; ppServer++)
{
if (current_time - (*ppServer)->stat.last_heart_beat_time > \
g_check_active_interval)
{
deactiveServers[deactiveCount] = *ppServer;
deactiveCount++;
if (deactiveCount >= FDFS_MAX_SERVERS_EACH_GROUP)
{
break;
}
}
}
if (deactiveCount == 0)
{
continue;
}
ppServerEnd = deactiveServers + deactiveCount;
for (ppServer=deactiveServers; ppServer<ppServerEnd; ppServer++)
{
(*ppServer)->status = FDFS_STORAGE_STATUS_OFFLINE;
tracker_mem_deactive_store_server(*ppGroup, *ppServer);
if (g_use_storage_id)
{
logInfo("file: "__FILE__", line: %d, "
"storage server %s(%s:%d) idle too long, "
"status change to offline!", __LINE__,
(*ppServer)->id, FDFS_CURRENT_IP_ADDR(*ppServer),
(*ppGroup)->storage_port);
}
else
{
logInfo("file: "__FILE__", line: %d, "
"storage server %s:%d idle too long, "
"status change to offline!", __LINE__,
FDFS_CURRENT_IP_ADDR(*ppServer),
(*ppGroup)->storage_port);
}
}
}
if ((!g_if_leader_self) || (!g_if_use_trunk_file))
{
return 0;
}
for (ppGroup=g_groups.groups; ppGroup<ppGroupEnd; ppGroup++)
{
if ((*ppGroup)->pTrunkServer != NULL)
{
int check_trunk_times;
int check_trunk_interval;
int last_beat_interval;
if (current_time - (*ppGroup)->pTrunkServer->up_time <= \
10 * g_check_active_interval)
{
if (g_trunk_init_check_occupying)
{
check_trunk_times = 5;
}
else
{
check_trunk_times = 3;
}
if (g_trunk_init_reload_from_binlog)
{
check_trunk_times *= 2;
}
}
else
{
check_trunk_times = 2;
}
last_beat_interval = current_time - (*ppGroup)-> \
pTrunkServer->stat.last_heart_beat_time;
check_trunk_interval = check_trunk_times * \
g_check_active_interval;
if (last_beat_interval > check_trunk_interval)
{
logInfo("file: "__FILE__", line: %d, "
"trunk server %s(%s:%d) offline because idle "
"time: %d s > threshold: %d s, should "
"re-select trunk server", __LINE__,
(*ppGroup)->pTrunkServer->id,
FDFS_CURRENT_IP_ADDR((*ppGroup)->pTrunkServer),
(*ppGroup)->storage_port, last_beat_interval,
check_trunk_interval);
(*ppGroup)->pTrunkServer = NULL;
tracker_mem_find_trunk_server(*ppGroup, false);
if ((*ppGroup)->pTrunkServer == NULL)
{
tracker_set_trunk_server_and_log(*ppGroup, NULL);
}
(*ppGroup)->trunk_chg_count++;
g_trunk_server_chg_count++;
tracker_save_groups();
}
}
else
{
tracker_mem_find_trunk_server(*ppGroup, true);
}
}
return 0;
}
int tracker_mem_get_storage_index(FDFSGroupInfo *pGroup, \
FDFSStorageDetail *pStorage)
{
FDFSStorageDetail **ppStorage;
FDFSStorageDetail **ppEnd;
ppEnd = pGroup->all_servers + pGroup->count;
for (ppStorage=pGroup->all_servers; ppStorage<ppEnd; ppStorage++)
{
if (*ppStorage == pStorage)
{
return ppStorage - pGroup->all_servers;
}
}
logError("file: "__FILE__", line: %d, "
"get index of storage %s fail!!!",
__LINE__, FDFS_CURRENT_IP_ADDR(pStorage));
return -1;
}
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