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Support wildcards

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This commit is contained in:
Sergey Lyubka 2021-11-11 12:08:17 +00:00
parent 439904e27f
commit 00f7e8cb2a
1 changed files with 8 additions and 2 deletions
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8
examples/mqtt-server/main.c
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@ -59,6 +59,10 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
LIST_ADD_HEAD(struct sub, &s_subs, sub); LIST_ADD_HEAD(struct sub, &s_subs, sub);
LOG(LL_INFO, LOG(LL_INFO,
("SUB %p [%.*s]", c->fd, (int) sub->topic.len, sub->topic.ptr)); ("SUB %p [%.*s]", c->fd, (int) sub->topic.len, sub->topic.ptr));
// Change '+' to '*' for topic matching using mg_globmatch
for (size_t i = 0; i < sub->topic.len; i++) {
if (sub->topic.ptr[i] == '+') ((char *) sub->topic.ptr)[i] = '*';
}
resp[num_topics++] = qos; resp[num_topics++] = qos;
} }
mg_mqtt_send_header(c, MQTT_CMD_SUBACK, 0, num_topics + 2); mg_mqtt_send_header(c, MQTT_CMD_SUBACK, 0, num_topics + 2);
@ -72,9 +76,11 @@ static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
LOG(LL_INFO, ("PUB %p [%.*s] -> [%.*s]", c->fd, (int) mm->data.len, LOG(LL_INFO, ("PUB %p [%.*s] -> [%.*s]", c->fd, (int) mm->data.len,
mm->data.ptr, (int) mm->topic.len, mm->topic.ptr)); mm->data.ptr, (int) mm->topic.len, mm->topic.ptr));
for (struct sub *sub = s_subs; sub != NULL; sub = sub->next) { for (struct sub *sub = s_subs; sub != NULL; sub = sub->next) {
if (mg_strcmp(mm->topic, sub->topic) != 0) continue; if (mg_globmatch(sub->topic.ptr, sub->topic.len, mm->topic.ptr,
mm->topic.len)) {
mg_mqtt_pub(sub->c, &mm->topic, &mm->data, 1, false); mg_mqtt_pub(sub->c, &mm->topic, &mm->data, 1, false);
} }
}
break; break;
} }
} }