增加对KNI的Watchdog实现双向保活。

platform/src/proxy.cpp

@@ -40,6 +40,7 @@
 #include <tcp_stream.h>
 #include <acceptor_kni_v1.h>
 #include <acceptor_kni_v2.h>
+#include <watchdog_kni.h>
 
 extern struct ssl_policy_enforcer* ssl_policy_enforcer_create(void* logger);
 extern enum ssl_stream_action ssl_policy_enforce(struct ssl_stream *upstream, void* u_para);
@@ -441,6 +442,10 @@ int main(int argc, char * argv[])
     g_default_proxy->scm_sender = sender_scm_init(main_profile, "kni", g_default_logger);
     CHECK_OR_EXIT(g_default_proxy->scm_sender != NULL, "Failed at creating scm sender, Exit.");
 
+    /* Watchdog KNI */
+    g_default_proxy->watchdog_kni = watchdog_kni_create(g_default_proxy, main_profile, g_default_logger);
+    CHECK_OR_EXIT(g_default_proxy->watchdog_kni != NULL, "Failed at creating KNI watchdog, Exit.");
+
 	/* PLUGIN INIT */
 	unsigned int plugin_iterator = 0;
 	for (struct tfe_plugin * plugin_iter = tfe_plugin_iterate(&plugin_iterator);
@@ -450,8 +455,8 @@ int main(int argc, char * argv[])
 		CHECK_OR_EXIT(ret >= 0, "Plugin %s init failed. Exit. ", plugin_iter->symbol);
 		TFE_LOG_INFO(g_default_logger, "Plugin %s initialized. ", plugin_iter->symbol);
 	}
+
 	//ugly here. g_business_maat is available after plugin initiate.
-	
 	g_default_proxy->ssl_ply_enforcer=ssl_policy_enforcer_create(g_default_logger);
 	ssl_manager_set_new_upstream_cb(g_default_proxy->ssl_mgr_handler, ssl_policy_enforce, g_default_proxy->ssl_ply_enforcer);
 	ret = tfe_proxy_work_thread_run(g_default_proxy);