xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

TD-1310 minor changes

This commit is contained in:
Shengliang Guan 2020-09-03 15:35:54 +00:00
parent 932761a2e1
commit 42f83c3cb0
3 changed files with 17 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/plugins/mqtt/src/mqttPayload.c
View File

@ -55,6 +55,9 @@
}
*/
// send msg cmd
// mosquitto_pub -h test.mosquitto.org -t "/test" -m '{"timestamp": 1599121290,"gateway": {"name": "AcuLink 810 Gateway","model": "AcuLink810-868","serial": "S8P20200207"},"device": {"name": "Acuvim L V3 .221","model": "Acuvim-L-V3","serial": "221","online": true,"readings": [{"param": "Freq_Hz","value": "59.977539","unit": "Hz"},{"param": "Va_V","value": "122.002907","unit": "V"},{"param": "DI4","value": "5.000000","unit": ""}]}}'
/*
* This is an example, this function needs to be implemented in order to parse the json file into a sql statement
* Note that you need to create a super table and database before writing data
@ -65,6 +68,7 @@
char* mqttConverJsonToSql(char* json, int maxSize) {
// const int32_t maxSize = 10240;
maxSize *= 5;
char* sql = malloc(maxSize);
cJSON* root = cJSON_Parse(json);
@ -139,10 +143,10 @@ char* mqttConverJsonToSql(char* json, int maxSize) {
goto MQTT_PARSE_OVER;
}
len += snprintf(sql, maxSize - len,
" mqttdb.%s using mqttdb.devices tags('%s', '%s', '%s', '%s', '%s') values(%" PRId64 ", %s)",
serial->valuestring, name->valuestring, model->valuestring, serial->valuestring, param->valuestring,
unit->valuestring, timestamp->valueint * 1000, value->valuestring);
len += snprintf(sql + len, maxSize - len,
" mqttdb.serial_%s_%s using mqttdb.devices tags('%s', '%s', '%s', '%s', '%s') values(%" PRId64 ", %s)",
serial->valuestring, param->valuestring, name->valuestring, model->valuestring, serial->valuestring,
param->valuestring, unit->valuestring, timestamp->valueint * 1000, value->valuestring);
}
cJSON_free(root);

10
src/plugins/mqtt/src/mqttSystem.c
View File

@ -74,10 +74,10 @@ void mqttPublishCallback(void** unused, struct mqtt_response_publish* published)
if (tsMqttConnect == NULL) {
tsMqttConnect = taos_connect(NULL, "_root", tsInternalPass, "", 0);
if (tsMqttConnect == NULL) {
mqttError("failed to connect tdengine");
mqttError("failed to connect to tdengine");
return;
} else {
mqttInfo("successed to connect tdengine");
mqttInfo("successfully connected to the tdengine");
}
}
@ -88,7 +88,9 @@ void mqttPublishCallback(void** unused, struct mqtt_response_publish* published)
void* res = taos_query(tsMqttConnect, sql);
int code = taos_errno(res);
if (code != 0) {
mqttError("failed to exec sql%s", sql);
mqttError("failed to exec sql:%s", sql);
} else {
mqttDebug("successfully to exec sql:%s", sql);
}
taos_free_result(res);
} else {
@ -136,6 +138,6 @@ void mqttReconnectClient(struct mqtt_client* client, void** unused) {
}
mqtt_reinit(client, sockfd, tsMqttStatus.sendbuf, tsMqttStatus.sendbufsz, tsMqttStatus.recvbuf, tsMqttStatus.recvbufsz);
mqtt_connect(client, "tsMqttClientId", NULL, NULL, 0, tsMqttUser, tsMqttPass, MQTT_CONNECT_CLEAN_SESSION, 400);
mqtt_connect(client, tsMqttClientId, NULL, NULL, 0, tsMqttUser, tsMqttPass, MQTT_CONNECT_CLEAN_SESSION, 400);
mqtt_subscribe(client, tsMqttTopic, 0);
}

6
tests/script/general/connection/mqtt.sim
View File

@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode1 -c mqtt -v 1
system sh/exec.sh -n dnode1 -s start
sql sleep 3000
sleep 3000
sql connect
sql create database mqttdb;
sql create table mqttdb.devices(ts timestamp, value bigint) tags(name binary(32), model binary(32), serial binary(16), param binary(16), unit binary(16));
sql create table mqttdb.devices(ts timestamp, value double) tags(name binary(32), model binary(32), serial binary(16), param binary(16), unit binary(16));
sql sleep 1000
sleep 1000
system sh/exec.sh -n dnode1 -s stop -x SIGINT