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Fix #1394 - mg_mqtt_sub(). Add MG_EV_OPEN, too.

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Sergey Lyubka committed 2021-11-01 16:20:00 +00:00
1 parent 2016586475
commit 423aaa492c
7 files changed
+64 -47
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examples/mqtt-client/main.c
+6 -3
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@@ -17,7 +17,9 @@ static const char *s_topic = "mg/mq-clnt-test";
static int s_qos = 1;
static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_ERROR) {
if (ev == MG_EV_OPEN) {
// c->is_hexdumping = 1;
} else if (ev == MG_EV_ERROR) {
// On error, log error message
LOG(LL_ERROR, ("%p %s", c->fd, (char *) ev_data));
} else if (ev == MG_EV_CONNECT) {
@@ -30,9 +32,9 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
// MQTT connect is successful
struct mg_str topic = mg_str(s_topic), data = mg_str("hello");
LOG(LL_INFO, ("CONNECTED to %s", s_url));
mg_mqtt_sub(c, &topic, 1);
mg_mqtt_sub(c, &topic, s_qos);
LOG(LL_INFO, ("SUBSCRIBED to %.*s", (int) topic.len, topic.ptr));
mg_mqtt_pub(c, &topic, &data, 1, false);
mg_mqtt_pub(c, &topic, &data, s_qos, false);
LOG(LL_INFO, ("PUBSLISHED %.*s -> %.*s", (int) data.len, data.ptr,
(int) topic.len, topic.ptr));
} else if (ev == MG_EV_MQTT_MSG) {
@@ -43,6 +45,7 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
}
if (ev == MG_EV_ERROR || ev == MG_EV_CLOSE || ev == MG_EV_MQTT_MSG) {
LOG(LL_INFO, ("Got event %d, stopping...", ev));
*(bool *) fn_data = true; // Signal that we're done
}
}