TSG-8331 完善TFE的Watchdog功能

platform/src/watchdog_tfe.cpp

@@ -7,6 +7,7 @@
 #include <assert.h>
 #include <sys/prctl.h>
 #include <stdlib.h>
+#include <systemd/sd-daemon.h>
 
 #include <proxy.h>
 #include <platform.h>
@@ -52,6 +53,7 @@ static void watchdog_tfe_thread_handle(evutil_socket_t fd, short what, void *arg
     struct watchdog_tfe *__ctx = proxy->watchdog_tfe;
     struct timespec now;
     time_t temp;
+    const char *check_result = "WATCHDOG=1";
 
     clock_gettime(CLOCK_MONOTONIC, &now);
 
@@ -80,13 +82,18 @@ static void watchdog_tfe_thread_handle(evutil_socket_t fd, short what, void *arg
                               now.tv_sec, proxy->work_threads[i]->thread_id, proxy->work_threads[i]->readable_tid, temp, __ctx->cur_time_window_fail_cnt);
                 if (__ctx->cur_time_window_fail_cnt >= __ctx->timeout_cnt_as_fail)
                 {
-                    TFE_LOG_ERROR(__ctx->logger, "Frome %ld to %ld, there are %d timeouts of the worker threads, Exit !!!",
+                    TFE_LOG_ERROR(__ctx->logger, "Frome %ld to %ld, there are %d timeouts of the worker threads, Ready to Exit !!!",
                                   __ctx->cur_time_window_begin, __ctx->cur_time_window_end, __ctx->cur_time_window_fail_cnt);
-                    exit(-1);
+                    check_result = "WATCHDOG=trigger";
                 }
             }
         }
     }
+
+    if (sd_watchdog_enabled(0, NULL))
+    {
+        sd_notify(0, check_result);
+    }
 }
 
 struct watchdog_tfe *watchdog_tfe_create(struct tfe_proxy *proxy, const char *profile, void *logger)

script/service/tfe.service

@@ -17,6 +17,7 @@ LimitCORE=infinity
 TasksMax=infinity
 Delegate=yes
 KillMode=process
+WatchdogSec=10s
 
 [Install]
 WantedBy=multi-user.target