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more Mongoose-style

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This commit is contained in:
Sergio R. Caprile 2023-11-30 12:16:56 -03:00
parent 7d2fca9574
commit 4ceb50d485
1 changed files with 16 additions and 17 deletions
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19
examples/mqtt-dashboard/device/net.c
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@ -204,15 +204,11 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
// Timer function - recreate client connection if it is closed // Timer function - recreate client connection if it is closed
static void timer_fn(void *arg) { static void timer_fn(void *arg) {
struct mg_mgr *mgr = (struct mg_mgr *) arg; struct mg_mgr *mgr = (struct mg_mgr *) arg;
char status_topic[50]; if (s_conn == NULL) {
memset(status_topic, 0, sizeof(status_topic)); char *status_topic = mg_mprintf("%s/%s/status", g_root_topic, g_device_id);
mg_snprintf(status_topic, sizeof(status_topic), "%s/%s/status", g_root_topic, char *msg = mg_mprintf("{%m:%m,%m:{%m:%m}}", MG_ESC("method"),
g_device_id); MG_ESC("status.notify"), MG_ESC("params"),
char msg[200]; MG_ESC("status"), MG_ESC("offline"));
memset(msg, 0, sizeof(msg));
mg_snprintf(msg, sizeof(msg), "{%m:%m,%m:{%m:%m}}", MG_ESC("method"),
MG_ESC("status.notify"), MG_ESC("params"), MG_ESC("status"),
MG_ESC("offline"));
struct mg_mqtt_opts opts = {.clean = true, struct mg_mqtt_opts opts = {.clean = true,
.qos = s_qos, .qos = s_qos,
@ -221,7 +217,10 @@ static void timer_fn(void *arg) {
.keepalive = KEEP_ALIVE_INTERVAL, .keepalive = KEEP_ALIVE_INTERVAL,
.retain = true, .retain = true,
.message = mg_str(msg)}; .message = mg_str(msg)};
if (s_conn == NULL) s_conn = mg_mqtt_connect(mgr, g_url, &opts, fn, NULL); s_conn = mg_mqtt_connect(mgr, g_url, &opts, fn, NULL);
free(msg);
free(status_topic);
}
} }
static void timer_keepalive(void *arg) { static void timer_keepalive(void *arg) {