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Add signal handler

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This commit is contained in:
Sergey Lyubka 2021-11-11 10:35:41 +00:00
parent 4d6590ece2
commit 439904e27f
1 changed files with 14 additions and 5 deletions
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13
examples/mqtt-server/main.c
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@ -20,6 +20,12 @@ struct sub {
};
static struct sub *s_subs = NULL;
// Handle interrupts, like Ctrl-C
static int s_signo;
static void signal_handler(int signo) {
s_signo = signo;
}
// Event handler function
static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_MQTT_CMD) {
@ -89,9 +95,12 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
int main(void) {
struct mg_mgr mgr; // Event manager
signal(SIGINT, signal_handler); // Setup signal handlers - exist event
signal(SIGTERM, signal_handler); // manager loop on SIGINT and SIGTERM
mg_mgr_init(&mgr); // Initialise event manager
LOG(LL_INFO, ("Starting on %s", s_listen_on)); // Inform that we're starting
mg_mqtt_listen(&mgr, s_listen_on, fn, NULL); // Create MQTT listener
for (;;) mg_mgr_poll(&mgr, 1000); // Infinite event loop
mg_mgr_free(&mgr);
while (s_signo == 0) mg_mgr_poll(&mgr, 1000); // Event loop, 1s timeout
mg_mgr_free(&mgr); // Cleanup
return 0;
}