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esp-link/mqtt/mqtt.c

639 lines
24 KiB

/* mqtt.c
* Protocol: http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mqtt.h"
#define MQTT_TASK_PRIO 0
#define MQTT_TASK_QUEUE_SIZE 1
#define MQTT_SEND_TIMOUT 5
#ifndef QUEUE_BUFFER_SIZE
#define QUEUE_BUFFER_SIZE 2048
#endif
unsigned char* default_certificate;
unsigned int default_certificate_len = 0;
unsigned char* default_private_key;
unsigned int default_private_key_len = 0;
os_event_t mqtt_procTaskQueue[MQTT_TASK_QUEUE_SIZE];
LOCAL void ICACHE_FLASH_ATTR
mqtt_dns_found(const char* name, ip_addr_t* ipaddr, void* arg) {
struct espconn* pConn = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pConn->reverse;
if (ipaddr == NULL) {
os_printf("DNS: Found, but got no ip, try to reconnect\n");
client->connState = TCP_RECONNECT_REQ;
return;
}
os_printf("DNS: found ip %d.%d.%d.%d\n",
*((uint8 *)&ipaddr->addr),
*((uint8 *)&ipaddr->addr + 1),
*((uint8 *)&ipaddr->addr + 2),
*((uint8 *)&ipaddr->addr + 3));
if (client->ip.addr == 0 && ipaddr->addr != 0) {
os_memcpy(client->pCon->proto.tcp->remote_ip, &ipaddr->addr, 4);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_connect(client->pCon);
}
else
#endif
espconn_connect(client->pCon);
client->connState = TCP_CONNECTING;
os_printf("MQTT-TCP: connecting...\n");
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
LOCAL void ICACHE_FLASH_ATTR
deliver_publish(MQTT_Client* client, uint8_t* message, uint16_t length) {
mqtt_event_data_t event_data;
event_data.topic_length = length;
event_data.topic = mqtt_get_publish_topic(message, &event_data.topic_length);
event_data.data_length = length;
event_data.data = mqtt_get_publish_data(message, &event_data.data_length);
if (client->dataCb)
client->dataCb((uint32_t*)client, event_data.topic, event_data.topic_length, event_data.data, event_data.data_length);
if (client->cmdDataCb)
client->cmdDataCb((uint32_t*)client, event_data.topic, event_data.topic_length, event_data.data, event_data.data_length);
}
/**
* @brief Client received callback function.
* @param arg: contain the ip link information
* @param pdata: received data
* @param len: the lenght of received data
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_recv(void* arg, char* pdata, unsigned short len) {
uint8_t msg_type;
uint8_t msg_qos;
uint16_t msg_id;
struct espconn* pCon = (struct espconn*)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
READPACKET:
os_printf("MQTT-TCP: Data received %d bytes\n", len);
if (len < MQTT_BUF_SIZE && len > 0) {
os_memcpy(client->mqtt_state.in_buffer, pdata, len);
msg_type = mqtt_get_type(client->mqtt_state.in_buffer);
msg_qos = mqtt_get_qos(client->mqtt_state.in_buffer);
msg_id = mqtt_get_id(client->mqtt_state.in_buffer, client->mqtt_state.in_buffer_length);
if (client->connState == MQTT_CONNECT_SENDING) {
if (msg_type == MQTT_MSG_TYPE_CONNACK) {
if (client->mqtt_state.pending_msg_type != MQTT_MSG_TYPE_CONNECT) {
os_printf("MQTT: Invalid packet\n");
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_disconnect(client->pCon);
}
else
#endif
espconn_disconnect(client->pCon);
}
else {
os_printf("MQTT: Connected to %s:%ld\n", client->host, client->port);
client->connState = MQTT_DATA;
if (client->connectedCb)
client->connectedCb((uint32_t*)client);
if (client->cmdConnectedCb)
client->cmdConnectedCb((uint32_t*)client);
}
}
}
else if (client->connState == MQTT_DATA) {
client->mqtt_state.message_length_read = len;
client->mqtt_state.message_length = mqtt_get_total_length(client->mqtt_state.in_buffer, client->mqtt_state.message_length_read);
if (msg_type == MQTT_MSG_TYPE_SUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_SUBSCRIBE && client->mqtt_state.pending_msg_id == msg_id)
os_printf("MQTT: Subscribe successful\n");
}
else if (msg_type == MQTT_MSG_TYPE_UNSUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_UNSUBSCRIBE && client->mqtt_state.pending_msg_id == msg_id)
os_printf("MQTT: UnSubscribe successful\n");
}
else if (msg_type == MQTT_MSG_TYPE_PUBLISH) {
if (msg_qos == 1)
client->mqtt_state.outbound_message = mqtt_msg_puback(&client->mqtt_state.mqtt_connection, msg_id);
else if (msg_qos == 2)
client->mqtt_state.outbound_message = mqtt_msg_pubrec(&client->mqtt_state.mqtt_connection, msg_id);
if (msg_qos == 1 || msg_qos == 2) {
os_printf("MQTT: Queue response QoS: %d\n", msg_qos);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
deliver_publish(client, client->mqtt_state.in_buffer, client->mqtt_state.message_length_read);
}
else if (msg_type == MQTT_MSG_TYPE_PUBACK) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && client->mqtt_state.pending_msg_id == msg_id) {
os_printf("MQTT: received MQTT_MSG_TYPE_PUBACK, finish QoS1 publish\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBREC) {
client->mqtt_state.outbound_message = mqtt_msg_pubrel(&client->mqtt_state.mqtt_connection, msg_id);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBREL) {
client->mqtt_state.outbound_message = mqtt_msg_pubcomp(&client->mqtt_state.mqtt_connection, msg_id);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PUBCOMP) {
if (client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH && client->mqtt_state.pending_msg_id == msg_id) {
os_printf("MQTT: receive MQTT_MSG_TYPE_PUBCOMP, finish QoS2 publish\n");
}
}
else if (msg_type == MQTT_MSG_TYPE_PINGREQ) {
client->mqtt_state.outbound_message = mqtt_msg_pingresp(&client->mqtt_state.mqtt_connection);
if (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
}
}
// NOTE: this is done down here and not in the switch case above
// because the PSOCK_READBUF_LEN() won't work inside a switch
// statement due to the way protothreads resume.
if (msg_type == MQTT_MSG_TYPE_PUBLISH) {
len = client->mqtt_state.message_length_read;
if (client->mqtt_state.message_length < client->mqtt_state.message_length_read) {
//client->connState = MQTT_PUBLISH_RECV;
//Not Implement yet
len -= client->mqtt_state.message_length;
pdata += client->mqtt_state.message_length;
os_printf("Get another published message\n");
goto READPACKET;
}
}
}
}
else {
os_printf("ERROR: Message too long\n");
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Client send over callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_sent_cb(void* arg) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
os_printf("MQTT-TCP: Sent\n");
client->sendTimeout = 0;
if (client->connState == MQTT_DATA && client->mqtt_state.pending_msg_type == MQTT_MSG_TYPE_PUBLISH) {
if (client->publishedCb)
client->publishedCb((uint32_t*)client);
if (client->cmdPublishedCb)
client->cmdPublishedCb((uint32_t*)client);
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
void ICACHE_FLASH_ATTR
mqtt_timer(void* arg) {
MQTT_Client* client = (MQTT_Client*)arg;
if (client->connState == MQTT_DATA) {
client->keepAliveTick++;
if (client->keepAliveTick > client->mqtt_state.connect_info->keepalive) {
os_printf("\nMQTT: Send keepalive packet to %s:%ld!\n", client->host, client->port);
client->mqtt_state.outbound_message = mqtt_msg_pingreq(&client->mqtt_state.mqtt_connection);
client->mqtt_state.pending_msg_type = MQTT_MSG_TYPE_PINGREQ;
client->mqtt_state.pending_msg_type = mqtt_get_type(client->mqtt_state.outbound_message->data);
client->mqtt_state.pending_msg_id = mqtt_get_id(client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
}
else
#endif
espconn_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->mqtt_state.outbound_message = NULL;
client->keepAliveTick = 0;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
}
else if (client->connState == TCP_RECONNECT_REQ) {
client->reconnectTick++;
if (client->reconnectTick > MQTT_RECONNECT_TIMEOUT) {
client->reconnectTick = 0;
client->connState = TCP_RECONNECT;
if (client->tcpDisconnectedCb)
client->tcpDisconnectedCb((uint32_t*)client);
if (client->cmdTcpDisconnectedCb)
client->cmdTcpDisconnectedCb((uint32_t*)client);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
}
if (client->sendTimeout > 0)
client->sendTimeout--;
}
void ICACHE_FLASH_ATTR
mqtt_tcpclient_discon_cb(void* arg) {
struct espconn* pespconn = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pespconn->reverse;
os_printf("MQTT-TCP: Disconnected callback\n");
client->connState = TCP_RECONNECT_REQ;
if (client->disconnectedCb)
client->disconnectedCb((uint32_t*)client);
if (client->cmdDisconnectedCb)
client->cmdDisconnectedCb((uint32_t*)client);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Tcp client connect success callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_connect_cb(void* arg) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
espconn_regist_disconcb(client->pCon, mqtt_tcpclient_discon_cb);
espconn_regist_recvcb(client->pCon, mqtt_tcpclient_recv);////////
espconn_regist_sentcb(client->pCon, mqtt_tcpclient_sent_cb);///////
os_printf("MQTT: Connected to broker %s:%ld\n", client->host, client->port);
mqtt_msg_init(&client->mqtt_state.mqtt_connection, client->mqtt_state.out_buffer, client->mqtt_state.out_buffer_length);
client->mqtt_state.outbound_message = mqtt_msg_connect(&client->mqtt_state.mqtt_connection, client->mqtt_state.connect_info);
client->mqtt_state.pending_msg_type = mqtt_get_type(client->mqtt_state.outbound_message->data);
client->mqtt_state.pending_msg_id = mqtt_get_id(client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
}
else
#endif
espconn_sent(client->pCon, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length);
client->mqtt_state.outbound_message = NULL;
client->connState = MQTT_CONNECT_SENDING;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief Tcp client connect repeat callback function.
* @param arg: contain the ip link information
* @retval None
*/
void ICACHE_FLASH_ATTR
mqtt_tcpclient_recon_cb(void* arg, int8_t errType) {
struct espconn* pCon = (struct espconn *)arg;
MQTT_Client* client = (MQTT_Client *)pCon->reverse;
os_printf("MQTT-TCP: Reconnect to %s:%ld\n", client->host, client->port);
client->connState = TCP_RECONNECT_REQ;
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
}
/**
* @brief MQTT publish function.
* @param client: MQTT_Client reference
* @param topic: string topic will publish to
* @param data: buffer data send point to
* @param data_length: length of data
* @param qos: qos
* @param retain: retain
* @retval TRUE if success queue
*/
bool ICACHE_FLASH_ATTR
MQTT_Publish(MQTT_Client* client, const char* topic, const char* data, uint8_t qos, uint8_t retain) {
int data_length = os_strlen(data);
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
client->mqtt_state.outbound_message = mqtt_msg_publish(&client->mqtt_state.mqtt_connection,
topic, data, data_length,
qos, retain,
&client->mqtt_state.pending_msg_id);
if (client->mqtt_state.outbound_message->length == 0) {
os_printf("MQTT: Queuing Publish failed\n");
return FALSE;
}
os_printf("MQTT: Queuing Publish, length: %d, queue size(%ld/%ld)\n", client->mqtt_state.outbound_message->length, client->msgQueue.rb.fill_cnt, client->msgQueue.rb.size);
while (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == -1) {
os_printf("MQTT: Serious buffer error\n");
return FALSE;
}
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
return TRUE;
}
/**
* @brief MQTT subscibe function.
* @param client: MQTT_Client reference
* @param topic: string topic will subscribe
* @param qos: qos
* @retval TRUE if success queue
*/
bool ICACHE_FLASH_ATTR
MQTT_Subscribe(MQTT_Client* client, char* topic, uint8_t qos) {
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
client->mqtt_state.outbound_message = mqtt_msg_subscribe(&client->mqtt_state.mqtt_connection,
topic, 0,
&client->mqtt_state.pending_msg_id);
os_printf("MQTT: Queue Subscribe, topic: \"%s\", id: %d\n", topic, client->mqtt_state.pending_msg_id);
while (QUEUE_Puts(&client->msgQueue, client->mqtt_state.outbound_message->data, client->mqtt_state.outbound_message->length) == -1) {
os_printf("MQTT: Queue full\n");
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == -1) {
os_printf("MQTT: Serious buffer error\n");
return FALSE;
}
}
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)client);
return TRUE;
}
void ICACHE_FLASH_ATTR
MQTT_Task(os_event_t* e) {
MQTT_Client* client = (MQTT_Client*)e->par;
uint8_t dataBuffer[MQTT_BUF_SIZE];
uint16_t dataLen;
if (e->par == 0)
return;
if (client->connState == TCP_RECONNECT_REQ) {
return;
}
else if (client->connState == TCP_RECONNECT) {
MQTT_Connect(client);
os_printf("MQTT-TCP: Reconnect to: %s:%ld\n", client->host, client->port);
client->connState = TCP_CONNECTING;
}
else if (client->connState == MQTT_DATA) {
if (QUEUE_IsEmpty(&client->msgQueue) || client->sendTimeout != 0)
return;
if (QUEUE_Gets(&client->msgQueue, dataBuffer, &dataLen, MQTT_BUF_SIZE) == 0) {
client->mqtt_state.pending_msg_type = mqtt_get_type(dataBuffer);
client->mqtt_state.pending_msg_id = mqtt_get_id(dataBuffer, dataLen);
client->sendTimeout = MQTT_SEND_TIMOUT;
os_printf("MQTT: Sending, type: %d, id: %04X\n", client->mqtt_state.pending_msg_type, client->mqtt_state.pending_msg_id);
#ifdef CLIENT_SSL_ENABLE
if (client->security){
espconn_secure_sent(client->pCon, dataBuffer, dataLen);
}
else
#endif
espconn_sent(client->pCon, dataBuffer, dataLen);
client->mqtt_state.outbound_message = NULL;
return;
}
return;
}
}
/**
* @brief MQTT initialization connection function
* @param client: MQTT_Client reference
* @param host: Domain or IP string
* @param port: Port to connect
* @param security: 1 for ssl, 0 for none
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_InitConnection(MQTT_Client* mqttClient, char* host, uint32 port, uint8_t security) {
os_printf("MQTT_InitConnection\n");
uint8_t len = sizeof(MQTT_Client);
os_memset(mqttClient, 0, len);
uint32_t temp = os_strlen(host);
mqttClient->host = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->host, host);
mqttClient->host[temp] = 0;
mqttClient->port = port;
mqttClient->security = security;
}
/**
* @brief MQTT initialization mqtt client function
* @param client: MQTT_Client reference
* @param clientid: MQTT client id
* @param client_user:MQTT client user
* @param client_pass:MQTT client password
* @param client_pass:MQTT keep alive timer, in second
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_InitClient(MQTT_Client* mqttClient, char* client_id, char* client_user, char* client_pass, uint8_t keepAliveTime, uint8_t cleanSession) {
uint32_t temp;
os_printf("MQTT_InitClient: ");
os_memset(&mqttClient->connect_info, 0, sizeof(mqtt_connect_info_t));
temp = os_strlen(client_id);
mqttClient->connect_info.client_id = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.client_id, client_id);
mqttClient->connect_info.client_id[temp] = 0;
temp = os_strlen(client_user);
mqttClient->connect_info.username = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.username, client_user);
mqttClient->connect_info.username[temp] = 0;
temp = os_strlen(client_pass);
mqttClient->connect_info.password = (char*)os_zalloc(temp + 1);
os_strcpy(mqttClient->connect_info.password, client_pass);
mqttClient->connect_info.password[temp] = 0;
mqttClient->connect_info.keepalive = keepAliveTime;
mqttClient->connect_info.clean_session = cleanSession;
mqttClient->mqtt_state.in_buffer = (uint8_t *)os_zalloc(MQTT_BUF_SIZE);
mqttClient->mqtt_state.in_buffer_length = MQTT_BUF_SIZE;
mqttClient->mqtt_state.out_buffer = (uint8_t *)os_zalloc(MQTT_BUF_SIZE);
mqttClient->mqtt_state.out_buffer_length = MQTT_BUF_SIZE;
mqttClient->mqtt_state.connect_info = &mqttClient->connect_info;
mqtt_msg_init(&mqttClient->mqtt_state.mqtt_connection, mqttClient->mqtt_state.out_buffer, mqttClient->mqtt_state.out_buffer_length);
QUEUE_Init(&mqttClient->msgQueue, QUEUE_BUFFER_SIZE);
system_os_task(MQTT_Task, MQTT_TASK_PRIO, mqtt_procTaskQueue, MQTT_TASK_QUEUE_SIZE);
system_os_post(MQTT_TASK_PRIO, 0, (os_param_t)mqttClient);
os_printf("client_id:%s, keepAlive:%d, cleanSession:%d\n",
mqttClient->connect_info.client_id,
mqttClient->connect_info.keepalive,
mqttClient->connect_info.clean_session
);
}
void ICACHE_FLASH_ATTR
MQTT_InitLWT(MQTT_Client* mqttClient, char* will_topic, char* will_msg, uint8_t will_qos, uint8_t will_retain) {
uint32_t temp;
temp = os_strlen((char*)will_topic);
mqttClient->connect_info.will_topic = (char*)os_zalloc(temp + 1);
os_strcpy((char*)mqttClient->connect_info.will_topic, (char*)will_topic);
mqttClient->connect_info.will_topic[temp] = 0;
temp = os_strlen((char*)will_msg);
mqttClient->connect_info.will_message = (char*)os_zalloc(temp + 1);
os_strcpy((char*)mqttClient->connect_info.will_message, (char*)will_msg);
mqttClient->connect_info.will_message[temp] = 0;
mqttClient->connect_info.will_qos = will_qos;
mqttClient->connect_info.will_retain = will_retain;
}
/**
* @brief Begin connect to MQTT broker
* @param client: MQTT_Client reference
* @retval None
*/
void ICACHE_FLASH_ATTR
MQTT_Connect(MQTT_Client* mqttClient) {
MQTT_Disconnect(mqttClient);
mqttClient->pCon = (struct espconn *)os_zalloc(sizeof(struct espconn));
mqttClient->pCon->type = ESPCONN_TCP;
mqttClient->pCon->state = ESPCONN_NONE;
mqttClient->pCon->proto.tcp = (esp_tcp *)os_zalloc(sizeof(esp_tcp));
mqttClient->pCon->proto.tcp->local_port = espconn_port();
mqttClient->pCon->proto.tcp->remote_port = mqttClient->port;
mqttClient->pCon->reverse = mqttClient;
espconn_regist_connectcb(mqttClient->pCon, mqtt_tcpclient_connect_cb);
espconn_regist_reconcb(mqttClient->pCon, mqtt_tcpclient_recon_cb);
mqttClient->keepAliveTick = 0;
mqttClient->reconnectTick = 0;
os_timer_disarm(&mqttClient->mqttTimer);
os_timer_setfn(&mqttClient->mqttTimer, (os_timer_func_t *)mqtt_timer, mqttClient);
os_timer_arm(&mqttClient->mqttTimer, 1000, 1);
if (UTILS_StrToIP((const char *)mqttClient->host, (void*)&mqttClient->pCon->proto.tcp->remote_ip)) {
os_printf("MQTT-TCP: Connect to ip %s:%ld\n", mqttClient->host, mqttClient->port);
#ifdef CLIENT_SSL_ENABLE
if (mqttClient->security){
espconn_secure_connect(mqttClient->pCon);
}
else
#endif
espconn_connect(mqttClient->pCon);
}
else {
os_printf("MQTT-TCP: Connect to domain %s:%ld\n", mqttClient->host, mqttClient->port);
espconn_gethostbyname(mqttClient->pCon, (const char *)mqttClient->host, &mqttClient->ip, mqtt_dns_found);
}
mqttClient->connState = TCP_CONNECTING;
}
void ICACHE_FLASH_ATTR
MQTT_Disconnect(MQTT_Client* mqttClient) {
if (mqttClient->pCon) {
os_printf("Free memory\n");
if (mqttClient->pCon->proto.tcp)
os_free(mqttClient->pCon->proto.tcp);
os_free(mqttClient->pCon);
mqttClient->pCon = NULL;
}
os_timer_disarm(&mqttClient->mqttTimer);
}
void ICACHE_FLASH_ATTR
MQTT_OnConnected(MQTT_Client* mqttClient, MqttCallback connectedCb) {
mqttClient->connectedCb = connectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnDisconnected(MQTT_Client* mqttClient, MqttCallback disconnectedCb) {
mqttClient->disconnectedCb = disconnectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnTcpDisconnected(MQTT_Client *mqttClient, MqttCallback tcpDisconnectedCb)
{
mqttClient->tcpDisconnectedCb = tcpDisconnectedCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnData(MQTT_Client* mqttClient, MqttDataCallback dataCb) {
mqttClient->dataCb = dataCb;
}
void ICACHE_FLASH_ATTR
MQTT_OnPublished(MQTT_Client* mqttClient, MqttCallback publishedCb) {
mqttClient->publishedCb = publishedCb;
}