【修改内容】tcp 发送增加保护

【提交人】huang.zhenling

common/api/tcp_channel.c

@@ -645,14 +645,20 @@ int kk_tcp_client_send(char* data, int len){
             sleep(1);
             cnt++;
         }
+        if (g_client_ctrl.sd < 0){
+            printf("[%s] The tcp socket created fialid !!!! \n",__FUNCTION__);
+            return -1;
+        }
         _MutexLock(g_client_ctrl.mutex);
         ret = write(g_client_ctrl.sd, data, len);
          _MutexUnlock(g_client_ctrl.mutex);
         if (ret < 0){
             printf("[%s] write failed ret=%d, reconnect !!!! \n",__FUNCTION__, ret);
             g_client_ctrl.isConnect = 0;
+            ret = -1;
         }
     }
+    return ret;
 }
 int kk_tcp_client_init(char ip[MAX_IP_LEN], int port, ipc_cb cb)
 {