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;
}
int init_socket(mqtt_broker_handle_t* broker, const char* hostname, short port)
{
int flag = 1;
int keepalive = 3; // Seconds
// Create the socket
if((socket_id = socket(PF_INET, SOCK_STREAM, 0)) < 0)
return -1;
// Disable Nagle Algorithm
if (setsockopt(socket_id, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(flag)) < 0)
return -2;
struct sockaddr_in socket_address;
// Create the stuff we need to connect
socket_address.sin_family = AF_INET;
socket_address.sin_port = htons(port);
socket_address.sin_addr.s_addr = inet_addr(hostname);
// Connect the socket
if((connect(socket_id, (struct sockaddr*)&socket_address, sizeof(socket_address))) < 0)
return -1;
// MQTT stuffs
mqtt_set_alive(broker, keepalive);
broker->socket_info = (void*)&socket_id;
broker->send = send_packet;
return 0;
}
/******************************************************************
* function : Cloud_MQTT_initSocket
* broker : mqtt struct
* flag : 0 wifi module to register socketid.
* 1 wifi module to login socketid
*
*
********************************************************************/
int Cloud_MQTT_initSocket( mqtt_broker_handle_t* broker,int flag )
{
int ret;
// int MTflag;
struct sockaddr_in Msocket_address;
char MqttServerIpAddr[32];
int iSocketId;
// int packetLen;
char *domain = g_Xpg_GlobalVar.m2m_SERVER;
unsigned short port = g_Xpg_GlobalVar.m2m_Port;
memset(MqttServerIpAddr, 0x0, sizeof(MqttServerIpAddr));
ret = GAgent_GetHostByName( domain, MqttServerIpAddr );
if(ret !=0 )
{
GAgent_Printf(GAGENT_ERROR,"Gethostbyname(%s) fail ret:%d", domain, ret);
return 1; //域名解析失败
}
GAgent_Printf(GAGENT_INFO,"MQTT Connect Domain:%s IP:%s \r\n", domain, MqttServerIpAddr);
if( broker->socketid!=-1 )
{
GAgent_Printf(GAGENT_INFO,"Cloud_MQTT_initSocket close[%04x] mqtt socket", broker->socketid);
close_socket(broker);
}
if( (iSocketId = socket(AF_INET, SOCK_STREAM, 0))<0)
{
GAgent_Printf(GAGENT_ERROR," MQTT socket init fail");
return 1;
}
ret = connect_mqtt_socket(iSocketId, &Msocket_address, port, MqttServerIpAddr);
if (ret < 0)
{
GAgent_Printf(GAGENT_WARNING,"mqtt socket connect fail with:%d", ret);
close(iSocketId);
return 3;
}
/*For Test MQTT Read And Write Func*/
MQTT_handlePacket();
GAgent_Printf(GAGENT_LOG, "Created mqtt socketid[%08x]", iSocketId);
// MQTT stuffs
mqtt_set_alive(broker, MQTT_HEARTBEAT);
broker->socketid = iSocketId;
broker->mqttsend = send_packet;
return 0;
}
int init_socket(mqtt_broker_handle_t* broker, int keepalive)
{
int flag = 1;
socket_id = wifi_connect_server();
if(socket_id >= 8)
{
return -1;
}
// MQTT stuffs
mqtt_set_alive(broker, keepalive);
broker->socket_info = socket_id;
//broker->send = send_packet;
return 0;
}
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);
}
