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fix for topic and clean up

This commit is contained in:
MysticBoy 2020-05-26 18:18:12 +08:00
parent c2b148c16a
commit 957410a066
2 changed files with 15 additions and 11 deletions
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3
src/plugins/mqtt/inc/mqttInit.h
View File

@ -77,9 +77,6 @@ void* mqttClientRefresher(void* client);
void mqttCleanup(int status, int sockfd, pthread_t* client_daemon);
void mqttInitConnCb(void* param, TAOS_RES* result, int32_t code);
void mqttQueryInsertCallback(void* param, TAOS_RES* result, int32_t code);
#define CLIENTID "taos"
#define TOPIC "+/+/+/" // path/<token>/<db name>/<table name>/
#define PAYLOAD "Hello World!"
#define QOS 1
#define TIMEOUT 10000L

23
src/plugins/mqtt/src/mqttSystem.c
View File

@ -35,6 +35,7 @@ pthread_t client_daemon;
void* mqtt_conn;
struct reconnect_state_t recnt_status;
char* topicPath;
int isStop = 1;
int32_t mqttInitSystem() {
int rc = 0;
uint8_t sendbuf[2048];
@ -65,9 +66,10 @@ int32_t mqttInitSystem() {
topicPath = strbetween(strstr(url, strstr(_begin_hostname, ":") != NULL ? recnt_status.port : recnt_status.hostname),
"/", "/");
int _tpsize = strlen(topicPath) + strlen(TOPIC) + 1;
char* _topic = "+/+/+/";
int _tpsize = strlen(topicPath) + strlen(_topic) + 1;
recnt_status.topic = calloc(1, _tpsize);
snprintf(recnt_status.topic, _tpsize-1, "/%s/" TOPIC, topicPath);
sprintf(recnt_status.topic, "/%s/%s", topicPath, _topic);
recnt_status.client_id = strlen(tsMqttBrokerClientId)<3? tsMqttBrokerClientId:"taos_mqtt";
@ -86,17 +88,19 @@ int32_t mqttStartSystem() {
mqttCleanup(EXIT_FAILURE, -1, NULL);
rc = -1;
}
mqttPrint("listening for '%s' messages.", TOPIC);
mqttPrint("listening for '%s' messages.", recnt_status.topic);
return rc;
}
void mqttStopSystem() {
mqttError("Injecting error: \"MQTT_ERROR_SOCKET_ERROR\"");
client.error = MQTT_ERROR_SOCKET_ERROR;
isStop = 0;
usleep(300000U);
}
void mqttCleanUpSystem() {
mqttPrint("mqttCleanUpSystem");
mqttPrint("starting to clean up mqtt");
mqttCleanup(EXIT_SUCCESS, client.socketfd, &client_daemon);
taos_cleanup(mqtt_conn);
free(recnt_status.user_name);
@ -105,6 +109,8 @@ void mqttCleanUpSystem() {
free(recnt_status.port);
free(recnt_status.topic);
free(topicPath);
mqttPrint("mqtt is cleaned up");
}
void mqtt_PublishCallback(void** unused, struct mqtt_response_publish* published) {
@ -119,15 +125,15 @@ void mqtt_PublishCallback(void** unused, struct mqtt_response_publish* published
char _tablename[128] = {0};
if (mqtt_conn == NULL) {
mqttPrint("connect database");
taos_connect_a(NULL, "monitor", tsInternalPass, "", 0, mqttInitConnCb, &client, &mqtt_conn);
taos_connect_a(NULL, "_root", tsInternalPass, "", 0, mqttInitConnCb, &client, &mqtt_conn);
}
if (strncmp(topic_name, "/taos/", 6) == 0) {
if (topic_name[1]=='/' && strncmp((char*)&topic_name[1], topicPath, strlen(topicPath)) == 0) {
char* p_p_cmd_part[5] = {0};
char copystr[1024] = {0};
strncpy(copystr, topic_name, MIN(1024, published->topic_name_size));
char part_index = split(copystr, "/", p_p_cmd_part, 10);
if (part_index < 4) {
mqttError("The topic %s is't format '%s'.", topic_name, TOPIC);
mqttError("The topic %s is't format '/path/token/dbname/table name/'. for expmle: '/taos/token/db/t'", topic_name);
} else {
strncpy(_token, p_p_cmd_part[1], 127);
strncpy(_dbname, p_p_cmd_part[2], 127);
@ -148,10 +154,11 @@ void mqtt_PublishCallback(void** unused, struct mqtt_response_publish* published
}
void* mqttClientRefresher(void* client) {
while (1) {
while (isStop) {
mqtt_sync((struct mqtt_client*)client);
usleep(100000U);
}
mqttPrint("Exit mqttClientRefresher");
return NULL;
}