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减少mqtt断联

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This commit is contained in:
zzh 2025-12-25 10:15:56 +08:00
parent f910a4d701
commit fc95e3561a
6 changed files with 28 additions and 10 deletions
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2
main.c
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@ -1842,7 +1842,7 @@ void mqtt_init(){
mqtt_config.tracelevel=MQTTASYNC_TRACE_PROTOCOL;
mqtt_config.retain=0;
mqtt_config.port=mqtt_port;
mqtt_config.keepalive=300;
mqtt_config.keepalive=180;
memset(mqtt_config.clientid,0,sizeof(mqtt_config.clientid));
memcpy(mqtt_config.clientid, clientid, strlen(clientid)+1);

4
mqtt/MQTTAsync.c
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@ -2722,8 +2722,8 @@ static void setRetryLoopInterval(int keepalive)
if (proposed < 1)
proposed = 1;
else if (proposed > 5)
proposed = 5;
else if (proposed > 60)
proposed = 60; // 提高上限到60秒，适应更长的keepalive
if (proposed < retryLoopInterval)
retryLoopInterval = proposed;
}

4
mqtt/MQTTClient.c
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@ -1323,8 +1323,8 @@ static void setRetryLoopInterval(int keepalive)
if (proposed < 1)
proposed = 1;
else if (proposed > 5)
proposed = 5;
else if (proposed > 60)
proposed = 60; // 提高上限到60秒，适应更长的keepalive
if (proposed < retryLoopInterval)
retryLoopInterval = proposed;
}

24
mqtt/MQTTProtocolClient.c
View File

@ -633,7 +633,7 @@ void MQTTProtocol_keepalive(time_t now)
}
else
{
//LOG_I("PINGREQ send success\n");
LOG_I("PINGREQ send success at %ld\n", (long)now);
client->net.lastSent = now;
client->ping_outstanding = 1;
}
@ -641,9 +641,25 @@ void MQTTProtocol_keepalive(time_t now)
}
else
{
Log(TRACE_PROTOCOL, -1, "PINGRESP not received in keepalive interval for client %s on socket %d, disconnecting", client->clientID, client->net.socket);
LOG_I("%s:PINGRESP not received\n",__func__);
MQTTProtocol_closeSession(client, 1);
// 增加容错：允许ping_outstanding为2时再等待一个周期
if (client->ping_outstanding >= 2) {
Log(TRACE_PROTOCOL, -1, "PINGRESP not received after 2 keepalive intervals for client %s on socket %d, disconnecting", client->clientID, client->net.socket);
LOG_I("%s:PINGRESP not received after 2 attempts\n",__func__);
MQTTProtocol_closeSession(client, 1);
} else {
// 第二次发送PINGREQ
if (Socket_noPendingWrites(client->net.socket)) {
if (MQTTPacket_send_pingreq(&client->net, client->clientID) != TCPSOCKET_COMPLETE) {
Log(TRACE_PROTOCOL, -1, "Error sending second PINGREQ for client %s on socket %d, disconnecting", client->clientID, client->net.socket);
LOG_I("%s:Error sending second PINGREQ for client %s on socket %d, disconnecting\n",__func__,client->clientID, client->net.socket);
MQTTProtocol_closeSession(client, 1);
} else {
LOG_I("Second PINGREQ send success at %ld\n", (long)now);
client->net.lastSent = now;
client->ping_outstanding++;
}
}
}
}
}
}

2
mqtt/MQTTProtocolOut.c
View File

@ -178,7 +178,7 @@ int MQTTProtocol_handlePingresps(void* pack, int sock)
client = (Clients*)(ListFindItem(bstate->clients, &sock, clientSocketCompare)->content);
Log(LOG_PROTOCOL, 21, NULL, sock, client->clientID);
client->ping_outstanding = 0;
//LOG_I("PINGRESP receive success\n");
LOG_I("PINGRESP received successfully, ping_outstanding cleared\n");
FUNC_EXIT_RC(rc);
return rc;
}

2
mqtt_utils/mqtt_utils.c
View File

@ -419,6 +419,8 @@ void mqtt_utils_connected(void *context, char *cause){
if (lightbarHeartbeat[i].isOnline) {
LOG_I("Report again lightbar %08X login\n", lightbarHeartbeat[i].tagCode);
report_lightbar_login(lightbarHeartbeat[i].tagCode);
// 添加短暂延迟，避免MQTT缓冲区溢出
usleep(100 * 1000); // 100ms延迟
}
}
pthread_mutex_unlock(&heartbeatMutex);