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Don't use user_data in mqtt server

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Integrates https://github.com/cesanta/mongoose/pull/884
Closes https://github.com/cesanta/mongoose/issues/883

CL: Mongoose Web Server: Don't use user_data in mqtt server

PUBLISHED_FROM=7785784a766e0ba7514bbba604cde14e7bad3f73
This commit is contained in:
Julien Ammous authored and Cesanta Bot committed 2018-01-30 19:39:05 +00:00
1 parent 0b4bf13335
commit 7d7bb3b388
2 files changed
+11 -12
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examples/mqtt_broker/mqtt_broker.c
+1 -1
View File
@@ -38,7 +38,7 @@ int main(void) {
exit(EXIT_FAILURE);
}
mg_mqtt_broker_init(&brk, NULL);
c->user_data = &brk;
c->priv_2 = &brk;
mg_set_protocol_mqtt(c);
printf("MQTT broker started on %s\n", s_listening_address);
mongoose.c
+10 -11
View File
@@ -10856,8 +10856,7 @@ static void mg_mqtt_broker_handle_connect(struct mg_mqtt_broker *brk,
/* TODO(mkm): check header (magic and version) */
mg_mqtt_session_init(brk, s, nc);
s->user_data = nc->user_data;
nc->user_data = s;
nc->priv_2 = s;
mg_mqtt_add_session(s);
mg_mqtt_connack(nc, MG_EV_MQTT_CONNACK_ACCEPTED);
@@ -10865,7 +10864,7 @@ static void mg_mqtt_broker_handle_connect(struct mg_mqtt_broker *brk,
static void mg_mqtt_broker_handle_subscribe(struct mg_connection *nc,
struct mg_mqtt_message *msg) {
struct mg_mqtt_session *ss = (struct mg_mqtt_session *) nc->user_data;
struct mg_mqtt_session *ss = (struct mg_mqtt_session *) nc->priv_2;
uint8_t qoss[MG_MQTT_MAX_SESSION_SUBSCRIPTIONS];
size_t num_subs = 0;
struct mg_str topic;
@@ -10943,18 +10942,18 @@ void mg_mqtt_broker(struct mg_connection *nc, int ev, void *data) {
struct mg_mqtt_broker *brk;
if (nc->listener) {
brk = (struct mg_mqtt_broker *) nc->listener->user_data;
brk = (struct mg_mqtt_broker *) nc->listener->priv_2;
} else {
brk = (struct mg_mqtt_broker *) nc->user_data;
brk = (struct mg_mqtt_broker *) nc->priv_2;
}
switch (ev) {
case MG_EV_ACCEPT:
if (nc->proto_data == NULL) mg_set_protocol_mqtt(nc);
nc->user_data = NULL; /* Clear up the inherited pointer to broker */
nc->priv_2 = NULL; /* Clear up the inherited pointer to broker */
break;
case MG_EV_MQTT_CONNECT:
if (nc->user_data == NULL) {
if (nc->priv_2 == NULL) {
mg_mqtt_broker_handle_connect(brk, nc);
} else {
/* Repeated CONNECT */
@@ -10962,7 +10961,7 @@ void mg_mqtt_broker(struct mg_connection *nc, int ev, void *data) {
}
break;
case MG_EV_MQTT_SUBSCRIBE:
if (nc->user_data != NULL) {
if (nc->priv_2 != NULL) {
mg_mqtt_broker_handle_subscribe(nc, msg);
} else {
/* Subscribe before CONNECT */
@@ -10970,7 +10969,7 @@ void mg_mqtt_broker(struct mg_connection *nc, int ev, void *data) {
}
break;
case MG_EV_MQTT_PUBLISH:
if (nc->user_data != NULL) {
if (nc->priv_2 != NULL) {
mg_mqtt_broker_handle_publish(brk, msg);
} else {
/* Publish before CONNECT */
@@ -10978,8 +10977,8 @@ void mg_mqtt_broker(struct mg_connection *nc, int ev, void *data) {
}
break;
case MG_EV_CLOSE:
if (nc->listener && nc->user_data != NULL) {
mg_mqtt_close_session((struct mg_mqtt_session *) nc->user_data);
if (nc->listener && nc->priv_2 != NULL) {
mg_mqtt_close_session((struct mg_mqtt_session *) nc->priv_2);
}
break;
}