add connection stats

storage/storage_dump.c

@@ -331,6 +331,9 @@ static int fdfs_dump_storage_stat(char *buff, const int buffSize)
 	total_len = snprintf(buff, buffSize,
 		"\ng_stat_change_count=%d\n"
 		"g_sync_change_count=%d\n"
+		"alloc_count=%d\n"
+		"current_count=%d\n"
+		"max_count=%d\n"
 		"total_upload_count=%"PRId64"\n"
 		"success_upload_count=%"PRId64"\n"
 		"total_set_meta_count=%"PRId64"\n"
@@ -350,6 +353,9 @@ static int fdfs_dump_storage_stat(char *buff, const int buffSize)
 		"last_synced_timestamp=%s\n"
 		"last_heart_beat_time=%s\n",
 		g_stat_change_count, g_sync_change_count,
+        free_queue_alloc_connections(),
+		g_storage_stat.connection.current_count,
+		g_storage_stat.connection.max_count,
 		g_storage_stat.total_upload_count,
 		g_storage_stat.success_upload_count,
 		g_storage_stat.total_set_meta_count,

storage/storage_global.c

@@ -124,8 +124,6 @@ char g_exe_name[256] = {0};
 struct storage_nio_thread_data *g_nio_thread_data = NULL;
 struct storage_dio_thread_data *g_dio_thread_data = NULL;
 
-FDFSConnectionStat g_connection_stat = {0, 0};
-
 int storage_cmp_by_server_id(const void *p1, const void *p2)
 {
 	return strcmp((*((FDFSStorageServer **)p1))->server.id,

storage/storage_global.h

@@ -171,8 +171,6 @@ extern char g_exe_name[256];
 extern struct storage_nio_thread_data *g_nio_thread_data;  //network io thread data
 extern struct storage_dio_thread_data *g_dio_thread_data;  //disk io thread data
 
-extern FDFSConnectionStat g_connection_stat;
-
 int storage_cmp_by_server_id(const void *p1, const void *p2);
 
 #ifdef __cplusplus

storage/storage_nio.c

@@ -69,7 +69,7 @@ void task_finish_clean_up(struct fast_task_info *pTask)
 	memset(pTask->arg, 0, sizeof(StorageClientInfo));
 	free_queue_push(pTask);
 
-    __sync_fetch_and_sub(&g_connection_stat.current_count, 1);
+    __sync_fetch_and_sub(&g_storage_stat.connection.current_count, 1);
     ++g_stat_change_count;
 }
 

storage/storage_service.c

@@ -1852,10 +1852,10 @@ static void *accept_thread_entrance(void* arg)
         else
         {
             int current_connections;
-            current_connections = __sync_add_and_fetch(&g_connection_stat.
+            current_connections = __sync_add_and_fetch(&g_storage_stat.connection.
                     current_count, 1);
-            if (current_connections > g_connection_stat.max_count) {
-                g_connection_stat.max_count = current_connections;
+            if (current_connections > g_storage_stat.connection.max_count) {
+                g_storage_stat.connection.max_count = current_connections;
             }
             ++g_stat_change_count;
         }

tracker/tracker_service.c

@@ -2223,6 +2223,7 @@ static int tracker_deal_server_list_group_storages(struct fast_task_info *pTask)
 		long2buff((*ppServer)->current_write_path, \
 				pDest->sz_current_write_path);
 
+
 		int2buff(pStorageStat->connection.alloc_count, \
 				pStatBuff->connection.sz_alloc_count);
 		int2buff(pStorageStat->connection.current_count, \

tracker/tracker_types.h

@@ -210,7 +210,7 @@ typedef struct
 
     struct {
         int alloc_count;
-        int current_count;
+        volatile int current_count;
         int max_count;
     } connection;
 } FDFSStorageStat;
@@ -454,7 +454,7 @@ typedef struct {
 
 typedef struct fdfs_connection_stat {
     volatile int current_count;
-    volatile int max_count;
+    int max_count;
 } FDFSConnectionStat;
 
 #endif