make termination caused by SIGTERM soft

accel-pppd/cli/std_cmd.c

@@ -292,7 +292,7 @@ static int shutdown_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
 
 	if (f_cnt == 2) {
 		if (!strcmp(f[1], "soft")) {
-			ap_shutdown_soft(NULL);
+			ap_shutdown_soft(NULL, 0);
 			return CLI_CMD_OK;
 		} else if (!strcmp(f[1], "hard"))
 			hard = 1;
@@ -303,7 +303,7 @@ static int shutdown_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
 			return CLI_CMD_SYNTAX;
 	}
 
-	ap_shutdown_soft(NULL);
+	ap_shutdown_soft(NULL, 0);
 
 	terminate_all_sessions(hard);
 
@@ -370,7 +370,7 @@ static int restart_exec(const char *cmd, char * const *f, int f_cnt, void *cli)
 	else
 		return CLI_CMD_SYNTAX;
 
-	ap_shutdown_soft(restart);
+	ap_shutdown_soft(restart, 0);
 	terminate_all_sessions(0);
 
 	return CLI_CMD_OK;

accel-pppd/ctrl/ipoe/ipoe.c

@@ -1097,7 +1097,7 @@ static int ipoe_session_terminate(struct ap_session *s, int hard)
 {
 	struct ipoe_session *ses = container_of(s, typeof(*ses), ses);
 
-	if (hard || !conf_soft_terminate || ses->UP)
+	if (hard || !conf_soft_terminate || ses->UP || ap_shutdown)
 		ipoe_session_terminated(ses);
 	else
 		ses->terminate = 1;
@@ -2068,8 +2068,8 @@ static void ipoe_serv_close(struct triton_context_t *ctx)
 	struct ipoe_serv *serv = container_of(ctx, typeof(*serv), ctx);
 
 	pthread_mutex_lock(&serv->lock);
+	serv->need_close = 1;
 	if (!list_empty(&serv->sessions)) {
-		serv->need_close = 1;
 		pthread_mutex_unlock(&serv->lock);
 		return;
 	}

accel-pppd/include/ap_session.h

@@ -147,6 +147,6 @@ int ap_session_rename(struct ap_session *ses, const char *ifname, int len);
 
 int ap_session_read_stats(struct ap_session *ses, struct rtnl_link_stats *stats);
 
-void ap_shutdown_soft(void (*cb)(void));
+int ap_shutdown_soft(void (*cb)(void), int term);
 
 #endif

accel-pppd/main.c

@@ -21,10 +21,11 @@
 
 #include "triton/triton.h"
 
-#include "memdebug.h"
 #include "log.h"
 #include "events.h"
+#include "ap_session.h"
 #include "backup.h"
+#include "memdebug.h"
 
 #ifndef ARG_MAX
 #define ARG_MAX 128*1024
@@ -335,6 +336,9 @@ int main(int _argc, char **_argv)
 	sigwait(&set, &sig);
 	log_info1("terminate, sig = %i\n", sig);
 
+	if (ap_shutdown_soft(NULL, 1) == 0)
+		sigwait(&set, &sig);
+
 	triton_terminate();
 
 	return EXIT_SUCCESS;

accel-pppd/session.c

@@ -292,17 +292,35 @@ void __export ap_session_terminate(struct ap_session *ses, int cause, int hard)
 	}
 }
 
-void ap_shutdown_soft(void (*cb)(void))
+static void __terminate_soft_reboot(struct ap_session *ses)
 {
+	ap_session_terminate(ses, TERM_NAS_REBOOT, 0);
+}
+
+int ap_shutdown_soft(void (*cb)(void), int term)
+{
+	struct ap_session *ses;
+
 	ap_shutdown = 1;
 	shutdown_cb = cb;
 
+	pthread_rwlock_rdlock(&ses_lock);
+
 	if (!ap_session_stat.starting && !ap_session_stat.active && !ap_session_stat.finishing) {
+		pthread_rwlock_unlock(&ses_lock);
 		if (shutdown_cb)
 			shutdown_cb();
 		else
 			kill(getpid(), SIGTERM);
+		return 1;
+	} else if (term) {
+		list_for_each_entry(ses, &ses_list, entry)
+			triton_context_call(ses->ctrl->ctx, (triton_event_func)__terminate_soft_reboot, ses);
 	}
+
+	pthread_rwlock_unlock(&ses_lock);
+
+	return 0;
 }
 
 static void generate_sessionid(struct ap_session *ses)