bool MqttClient::connect(String clientName, String username, String password)
{
if (getConnectionState() != eTCS_Ready)
{
close();
debugf("MQTT closed previous connection");
}
debugf("MQTT start connection");
mqtt_init(&broker, clientName.c_str());
if (clientName.length() > 0)
mqtt_init_auth(&broker, username.c_str(), password.c_str());
if(server) {
TcpClient::connect(server, port);
}
else {
TcpClient::connect(serverIp, port);
}
mqtt_set_alive(&broker, keepAlive);
broker.socket_info = (void*)this;
broker.send = staticSendPacket;
int res = mqtt_connect(&broker);
setTimeOut(USHRT_MAX);
return res > 0;
}
/***********************************************************
*
* return : 0 success ,1 error
*
*************************************************************/
int32 Mqtt_SendConnetPacket( mqtt_broker_handle_t *pstBroketHandle, int32 socketid,const int8* username,const int8* password )
{
int32 ret;
if( (username==NULL) || (password==NULL) )// 匿名登录 GAgent V4 will not runing this code.
{
return 1;
}
else // 用户登录
{
mqtt_init( pstBroketHandle,username );
mqtt_init_auth(pstBroketHandle,username,password );
}
mqtt_set_alive(pstBroketHandle, CLOUD_MQTT_SET_ALIVE);
pstBroketHandle->socketid = socketid;
pstBroketHandle->mqttsend = send_packet;
ret = mqtt_connect(pstBroketHandle);
if (ret != 0)
{
GAgent_Printf(GAGENT_WARNING,"mqtt send connect packet is failed with:%d", ret);
return 1;
}
GAgent_Printf(GAGENT_INFO, "Mqtt_SendConnetPacket OK, write:%d", ret);
return 0;
}
// Connect to the MQTT broker. Call this function whenever connection needs
// to be re-established.
// returns: 0 - everything OK
// -1 - packet error
// -2 - failed to get connack
int App_ConnectMqtt()
{
int packet_length;
mqtt_init(&broker, WIO_CLIENTID);
mqtt_init_auth(&broker, WIO_USERNAME, WIO_PASSWORD);
mqtt_connect(&broker);
// wait for CONNACK
packet_length = mqtt_read_packet(6000);
if(packet_length < 0)
{
DisplayLCD(LCD_LINE4, "MQTT packet error");
return -1;
}
if(MQTTParseMessageType(rxm.message) != MQTT_MSG_CONNACK)
{
return -2;
}
if(rxm.message[3] != 0x00)
{
return -2;
}
App_PrepareIncomingData();
AtLibGs_FlushIncomingMessage();
mqttConnected=1;
return 0;
}
void init_mqtt(void)
{
mqtt_init(&broker, "client-id1");
mqtt_init_auth(&broker, "aleph201409", "al2014eph");
init_socket(&broker, keepalive);
// >>>>> CONNECT
mqtt_connect(&broker);
read_packet();
}
void app_mqtt_init(mqtt_broker_handle_t *broker)
{
mqtt_init(broker, "HF_mc300");
mqtt_init_auth(broker, NULL, NULL);
mqtt_set_alive(broker, MQTT_KEEPALIVE_SEC);
}
int main(int argc, char* argv[])
{
int packet_length;
uint16_t msg_id, msg_id_rcv;
mqtt_broker_handle_t broker;
mqtt_init(&broker, "sancho");
mqtt_init_auth(&broker, "quijote", "rocinante");
init_socket(&broker, "192.168.10.40", 1883, keepalive);
// >>>>> CONNECT
mqtt_connect(&broker);
// <<<<< CONNACK
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_CONNACK)
{
fprintf(stderr, "CONNACK expected!\n");
return -2;
}
if(packet_buffer[3] != 0x00)
{
fprintf(stderr, "CONNACK failed!\n");
return -2;
}
// >>>>> PUBLISH QoS 0
printf("Publish: QoS 0\n");
mqtt_publish(&broker, "public/myexample/example", "Test libemqtt message.", 0);
// >>>>> PUBLISH QoS 1
printf("Publish: QoS 1\n");
mqtt_publish_with_qos(&broker, "hello/emqtt", "Example: QoS 1", 0, 1, &msg_id);
// <<<<< PUBACK
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBACK)
{
fprintf(stderr, "PUBACK expected!\n");
return -2;
}
MQTTParseMessageId(packet_buffer, msg_id_rcv);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> PUBLISH QoS 2
printf("Publish: QoS 2\n");
mqtt_publish_with_qos(&broker, "hello/emqtt", "Example: QoS 2", 1, 2, &msg_id); // Retain
// <<<<< PUBREC
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBREC)
{
fprintf(stderr, "PUBREC expected!\n");
return -2;
}
MQTTParseMessageId(packet_buffer, msg_id_rcv);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> PUBREL
mqtt_pubrel(&broker, msg_id);
// <<<<< PUBCOMP
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBCOMP)
{
fprintf(stderr, "PUBCOMP expected!\n");
return -2;
}
MQTTParseMessageId(packet_buffer, msg_id_rcv);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> DISCONNECT
mqtt_disconnect(&broker);
close_socket(&broker);
return 0;
}
int server_connect(int doConnect)
{
int16_t packet_length;
char host[30]; // temp space for hostname string
serverConnected = 0;
if (doConnect)
{
sprintf(host, THINGFABRIC_BROKER_HOSTNAME);
char *hostname = host;
hostname_to_ip(hostname , broker_ip);
if ((broker_ip == NULL) || (broker_ip[0] == 0))
{
return 0;
}
printf("\n%s resolved to %s\n" , hostname , broker_ip);
sleep(5);
// now connect using user/password, publish sensor values on
// appropriate topic (<domain>/<device type>/<device id>
char clientIDStr[100];
sprintf(clientIDStr, "%s/%s", THINGFABRIC_DEVICE_TYPE, THINGFABRIC_DEVICE_ID);
mqtt_init(&broker, clientIDStr);
mqtt_init_auth(&broker, THINGFABRIC_USERNAME, THINGFABRIC_PASSWORD);
init_socket(&broker, broker_ip, THINGFABRIC_BROKER_PORT);
serverConnected = 1;
mqtt_connect(&broker);
// wait for CONNACK
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
serverConnected = 0;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_CONNACK)
{
fprintf(stderr, "CONNACK expected!\n");
serverConnected = 0;
}
if(packet_buffer[3] != 0x00)
{
fprintf(stderr, "CONNACK failed!\n");
serverConnected = 0;
}
if (serverConnected)
{
sprintf(pubTopic, "%s/%s/%s", THINGFABRIC_DOMAIN, THINGFABRIC_DEVICE_TYPE, THINGFABRIC_DEVICE_ID);
printf("%s\n", pubTopic);
// configure the ping timer
signal(SIGALRM, alive);
alarm(keepalive);
}
else
{
fprintf(stderr, "Error connecting to MQTT server\n");
}
}
else
{
printf("Disconnecting from server\n");
mqtt_disconnect(&broker);
close_socket(&broker);
serverConnected = 0;
}
return serverConnected;
}
int main(int argc, char* argv[])
{
int packet_length;
uint16_t msg_id, msg_id_rcv;
mqtt_broker_handle_t broker;
mqtt_init(&broker, "avengalvon");
mqtt_init_auth(&broker, "cid", "campeador");
init_socket(&broker, "127.0.0.1", 1883);
// >>>>> CONNECT
mqtt_connect(&broker);
// <<<<< CONNACK
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_CONNACK)
{
fprintf(stderr, "CONNACK expected!\n");
return -2;
}
if(packet_buffer[3] != 0x00)
{
fprintf(stderr, "CONNACK failed!\n");
return -2;
}
// >>>>> PUBLISH QoS 0
printf("Publish: QoS 0\n");
mqtt_publish(&broker, "hello/emqtt", "Example: QoS 0", 0);
// >>>>> PUBLISH QoS 1
printf("Publish: QoS 1\n");
mqtt_publish_with_qos(&broker, "hello/emqtt", "Example: QoS 1", 0, 1, &msg_id);
// <<<<< PUBACK
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBACK)
{
fprintf(stderr, "PUBACK expected!\n");
return -2;
}
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> PUBLISH QoS 2
printf("Publish: QoS 2\n");
mqtt_publish_with_qos(&broker, "hello/emqtt", "Example: QoS 2", 1, 2, &msg_id); // Retain
// <<<<< PUBREC
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBREC)
{
fprintf(stderr, "PUBREC expected!\n");
return -2;
}
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> PUBREL
mqtt_pubrel(&broker, msg_id);
// <<<<< PUBCOMP
packet_length = read_packet(1);
if(packet_length < 0)
{
fprintf(stderr, "Error(%d) on read packet!\n", packet_length);
return -1;
}
if(MQTTParseMessageType(packet_buffer) != MQTT_MSG_PUBCOMP)
{
fprintf(stderr, "PUBCOMP expected!\n");
return -2;
}
msg_id_rcv = mqtt_parse_msg_id(packet_buffer);
if(msg_id != msg_id_rcv)
{
fprintf(stderr, "%d message id was expected, but %d message id was found!\n", msg_id, msg_id_rcv);
return -3;
}
// >>>>> DISCONNECT
mqtt_disconnect(&broker);
close_socket(&broker);
return 0;
}
