/*
* 这个例程适用于`RTOS`这类支持Task的POSIX设备, 它演示了用SDK配置MQTT参数并建立连接, 之后创建2个任务
*
* + 一个线程用于保活长连接
* + 一个线程用于接收消息, 并在有消息到达时进入默认的数据回调, 在连接状态变化时进入事件回调
*
* 接着在MQTT连接上发送NTP查询请求, 如果云平台的回应报文到达, 从接收线程会调用NTP消息处理的回调函数, 把对时后的本地时间打印出来
*
* 需要用户关注或修改的部分, 已经用 TODO 在注释中标明
*
*/
#include <stdio.h>
#include <string.h>
#include "aiot_state_api.h"
#include "aiot_sysdep_api.h"
#include "aiot_mqtt_api.h"
#include "aiot_ntp_api.h"
#include "ali_demo.h"
#include "ql_api_osi.h"
#include "ql_api_nw.h"
#include "ali_demo.h"
#include "ql_log.h"
#include "ql_api_datacall.h"
#include "sockets.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
#include "lwip/netdb.h"
#include "lwip/netif.h"
#include "lwip/inet.h"
#include "lwip/tcp.h"
#define QL_SOCKET_LOG_LEVEL QL_LOG_LEVEL_INFO
#define uart_printf(msg, ...) QL_LOG(QL_SOCKET_LOG_LEVEL, "linkSDK ", msg, ##__VA_ARGS__)
#define mqtt_profile_idx 1
/* 位于portfiles/aiot_port文件夹下的系统适配函数集合 */
extern aiot_sysdep_portfile_t g_aiot_sysdep_portfile;
/* 位于external/ali_ca_cert.c中的服务器证书 */
extern const char *ali_ca_cert;
ql_task_t ql_alisdk_ntp_task_ref;
ql_task_t ql_alisdk_mqtt_process_task_ref;
ql_task_t ql_alisdk_mqtt_recv_task_ref;
static uint8_t g_mqtt_process_task_running = 0;
static uint8_t g_mqtt_recv_task_running = 0;
static int datacall_satrt(void)
{
int ret = 0;
int i = 0;
ql_data_call_info_s info;
char ip4_addr_str[16] = {0};
uint8_t nSim = 0;
ql_rtos_task_sleep_s(10);
uart_printf("========== socket demo start ==========");
uart_printf("wait for network register done");
while ((ret = ql_network_register_wait(nSim, 120)) != 0 && i < 10)
{
i++;
ql_rtos_task_sleep_s(1);
}
if (ret == 0)
{
i = 0;
uart_printf("====network registered!!!!====");
}
else
{
uart_printf("====network register failure!!!!!====");
goto exit;
}
ql_set_data_call_asyn_mode(nSim, mqtt_profile_idx, 0);
uart_printf("===start data call====");
ret = ql_start_data_call(nSim, mqtt_profile_idx, QL_PDP_TYPE_IP, "uninet", NULL, NULL, 0);
uart_printf("===data call result:%d", ret);
if (ret != 0)
{
uart_printf("====data call failure!!!!=====");
}
memset(&info, 0x00, sizeof(ql_data_call_info_s));
ret = ql_get_data_call_info(nSim, mqtt_profile_idx, &info);
if (ret != 0)
{
uart_printf("ql_get_data_call_info ret: %d", ret);
ql_stop_data_call(nSim, mqtt_profile_idx);
goto exit;
}
uart_printf("info->mqtt_profile_idx: %d", info.profile_idx);
uart_printf("info->ip_version: %d", info.ip_version);
uart_printf("info->v4.state: %d", info.v4.state);
inet_ntop(AF_INET, &info.v4.addr.ip, ip4_addr_str, sizeof(ip4_addr_str));
uart_printf("info.v4.addr.ip: %s\r\n", ip4_addr_str);
inet_ntop(AF_INET, &info.v4.addr.pri_dns, ip4_addr_str, sizeof(ip4_addr_str));
uart_printf("info.v4.addr.pri_dns: %s\r\n", ip4_addr_str);
inet_ntop(AF_INET, &info.v4.addr.sec_dns, ip4_addr_str, sizeof(ip4_addr_str));
uart_printf("info.v4.addr.sec_dns: %s\r\n", ip4_addr_str);
return 0;
exit:
return -1;
}
/* TODO: 如果要关闭日志, 就把这个函数实现为空, 如果要减少日志, 可根据code选择不打印
*
* 例如: [1581501698.455][LK-0309] pub: /ext/ntp/a13FN5TplKq/ntp_basic_demo/request
*
* 上面这条日志的code就是0309(十六进制), code值的定义见core/aiot_state_api.h
*
*/
/* 日志回调函数, SDK的日志会从这里输出 */
static int32_t demo_state_logcb(int32_t code, char *message)
{
uart_printf("%s", message);
return 0;
}
/* MQTT事件回调函数, 当网络连接/重连/断开时被触发, 事件定义见core/aiot_mqtt_api.h */
static void demo_mqtt_event_handler(void *handle, const aiot_mqtt_event_t *event, void *userdata)
{
switch (event->type) {
/* SDK因为用户调用了aiot_mqtt_connect()接口, 与mqtt服务器建立连接已成功 */
case AIOT_MQTTEVT_CONNECT: {
uart_printf("AIOT_MQTTEVT_CONNECT\n");
}
break;
/* SDK因为网络状况被动断连后, 自动发起重连已成功 */
case AIOT_MQTTEVT_RECONNECT: {
uart_printf("AIOT_MQTTEVT_RECONNECT\n");
}
break;
/* SDK因为网络的状况而被动断开了连接, network是底层读写失败, heartbeat是没有按预期得到服务端心跳应答 */
case AIOT_MQTTEVT_DISCONNECT: {
char *cause = (event->data.disconnect == AIOT_MQTTDISCONNEVT_NETWORK_DISCONNECT) ? ("network disconnect") :
("heartbeat disconnect");
uart_printf("AIOT_MQTTEVT_DISCONNECT: %s\n", cause);
}
break;
default: {
}
}
}
/* MQTT默认消息处理回调, 当SDK从服务器收到MQTT消息时, 且无对应用户回调处理时被调用 */
static void demo_mqtt_default_recv_handler(void *handle, const aiot_mqtt_recv_t *packet, void *userdata)
{
switch (packet->type) {
case AIOT_MQTTRECV_HEARTBEAT_RESPONSE: {
uart_printf("heartbeat response\n");
}
break;
case AIOT_MQTTRECV_SUB_ACK: {
uart_printf("suback, res: -0x%04X, packet id: %d, max qos: %d\n",
-packet->data.sub_ack.res, packet->data.sub_ack.packet_id, packet->data.sub_ack.max_qos);
}
break;
case AIOT_MQTTRECV_PUB: {
uart_printf("pub, qos: %d, topic: %d %s\n", packet->data.pub.qos, packet->data.pub.topic_len, packet->data.pub.topic);
uart_printf("pub, payload: %d %s\n", packet->data.pub.payload_len, packet->data.pub.payload);
}
break;
case AIOT_MQTTRECV_PUB_ACK: {
uart_printf("puback, packet id: %d\n", packet->data.pub_ack.packet_id);
}
break;
default: {
}
}
}
/* 执行aiot_mqtt_process的线程, 包含心跳发送和QoS1消息重发 */
static void demo_mqtt_process_thread(void *args)
{
int32_t res = STATE_SUCCESS;
while (g_mqtt_process_task_running) {
res = aiot_mqtt_process(args);
if (res == STATE_USER_INPUT_EXEC_DISABLED) {
break;
}
ql_rtos_task_sleep_s(1);
}
return ;
}
/* 执行aiot_mqtt_recv的线程, 包含网络自动重连和从服务器收取MQTT消息 */
static void demo_mqtt_recv_thread(void *args)
{
int32_t res = STATE_SUCCESS;
while (g_mqtt_recv_task_running) {
res = aiot_mqtt_recv(args);
if (res < STATE_SUCCESS) {
if (res == STATE_USER_INPUT_EXEC_DISABLED) {
break;
}
ql_rtos_task_sleep_s(1);
}
}
return ;
}
static int32_t demo_mqtt_start(void **handle)
{
int32_t res = STATE_SUCCESS;
void *mqtt_handle = NULL;
char *url = "iot-as-mqtt.cn-shanghai.aliyuncs.com"; /* 阿里云平台上海站点的域名后缀 */
char host[100] = {0}; /* 用这个数组拼接设备连接的云平台站点全地址, 规则是 ${productKey}.iot-as-mqtt.cn-shanghai.aliyuncs.com */
uint16_t port = 443; /* 无论设备是否使用TLS连接阿里云平台, 目的端口都是443 */
aiot_sysdep_network_cred_t cred; /* 安全凭据结构体, 如果要用TLS, 这个结构体中配置CA证书等参数 */
/* TODO: 替换为自己设备的三元组 */
char *product_key = "a1TSu2F29co";
char *device_name = "000001";
char *device_secret = "bd220c3a9c6a5b3f5921485d091497e1";
/*执行拨号操作，设备联网*/
if(datacall_satrt()!=0)
return -1;
/* 配置SDK的底层依赖 */
aiot_sysdep_set_portfile(&g_aiot_sysdep_portfile);
/* 配置SDK的日志输出 */
aiot_state_set_logcb(demo_state_logcb);
/* 创建SDK的安全凭据, 用于建立TLS连接 */
memset(&cred, 0, sizeof(aiot_sysdep_network_cred_t));
cred.option = AIOT_SYSDEP_NETWORK_CRED_SVRCERT_CA; /* 使用RSA证书校验MQTT服务端 */
cred.max_tls_fragment = 16384; /* 最大的分片长度为16K, 其它可选值还有4K, 2K, 1K, 0.5K */
cred.sni_enabled = 1; /* TLS建连时, 支持Server Name Indicator */
cred.x509_server_cert = ali_ca_cert; /* 用来验证MQTT服务端的RSA根证书 */
cred.x509_server_cert_len = strlen(ali_ca_cert); /* 用来验证MQTT服务端的RSA根证书长度 */
/* 创建1个MQTT客户端实例并内部初始化默认参数 */
mqtt_handle = aiot_mqtt_init();
if (mqtt_handle == NULL) {
uart_printf("aiot_mqtt_init failed\n");
return -1;
}
/* TODO: 如果以下代码不被注释, 则例程会用TCP而不是TLS连接云平台 */
/*
{
memset(&cred, 0, sizeof(aiot_sysdep_network_cred_t));
cred.option = AIOT_SYSDEP_NETWORK_CRED_NONE;
}
*/
snprintf(host, 100, "%s.%s", product_key, url);
/* 配置MQTT服务器地址 */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_HOST, (void *)host);
/* 配置MQTT服务器端口 */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PORT, (void *)&port);
/* 配置拨号profile_idx信息(quectel平台必须执行此操作)*/
uint16_t pdp = mqtt_profile_idx;
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PROFILE_IDX, (void *)&pdp);
/* 配置设备productKey */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PRODUCT_KEY, (void *)product_key);
/* 配置设备deviceName */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_DEVICE_NAME, (void *)device_name);
/* 配置设备deviceSecret */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_DEVICE_SECRET, (void *)device_secret);
/* 配置网络连接的安全凭据, 上面已经创建好了 */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_NETWORK_CRED, (void *)&cred);
/* 配置MQTT默认消息接收回调函数 */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_RECV_HANDLER, (void *)demo_mqtt_default_recv_handler);
/* 配置MQTT事件回调函数 */
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_EVENT_HANDLER, (void *)demo_mqtt_event_handler);
/* 配置MQTT连接超时时间 */
int time_delay_ms = 5000;
aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_CONNECT_TIMEOUT_MS, (void *)&time_delay_ms);
/* 与服务器建立MQTT连接 */
res = aiot_mqtt_connect(mqtt_handle);
if (res < STATE_SUCCESS) {
/* 尝试建立连接失败, 销毁MQTT实例, 回收资源 */
aiot_mqtt_deinit(&mqtt_handle);
uart_printf("aiot_mqtt_connect failed: -0x%04X\n", -res);
return -1;
}
/* 创建一个单独的线程, 专用于执行aiot_mqtt_process, 它会自动发送心跳保活, 以及重发QoS1的未应答报文 */
g_mqtt_process_task_running = 1;
res = ql_rtos_task_create(&ql_alisdk_mqtt_process_task_ref, 24000, 24, "client_test", demo_mqtt_process_thread, mqtt_handle, 5);
if (res < 0) {
uart_printf("pthread_create demo_mqtt_process_thread failed: %d\n", res);
return -1;
}
/* 创建一个单独的线程用于执行aiot_mqtt_recv, 它会循环收取服务器下发的MQTT消息, 并在断线时自动重连 */
g_mqtt_recv_task_running = 1;
res = ql_rtos_task_create(&ql_alisdk_mqtt_recv_task_ref, 24000, 25, "recv_test", demo_mqtt_recv_thread, mqtt_handle, 5);
if (res < 0) {
uart_printf("pthread_create demo_mqtt_recv_thread failed: %d\n", res);
return -1;
}
*handle = mqtt_handle;
return 0;
}
static int32_t demo_mqtt_stop(void **handle)
{
int32_t res = STATE_SUCCESS;
void *mqtt_handle = NULL;
mqtt_handle = *handle;
g_mqtt_process_task_running = 0;
g_mqtt_recv_task_running = 0;
// pthread_join(g_mqtt_process_thread, NULL);
// pthread_join(g_mqtt_recv_thread, NULL);
ql_rtos_task_delete(ql_alisdk_mqtt_process_task_ref);
ql_rtos_task_delete(ql_alisdk_mqtt_recv_task_ref);
/* 断开MQTT连接 */
res = aiot_mqtt_disconnect(mqtt_handle);
if (res < STATE_SUCCESS) {
aiot_mqtt_deinit(&mqtt_handle);
uart_printf("aiot_mqtt_disconnect failed: -0x%04X\n", -res);
return -1;
}
/* 销毁MQTT实例 */
res = aiot_mqtt_deinit(&mqtt_handle);
if (res < STATE_SUCCESS) {
uart_printf("aiot_mqtt_deinit failed: -0x%04X\n", -res);
return -1;
}
return 0;
}
/* 事件处理回调, */
static void demo_ntp_event_handler(void *handle, const aiot_ntp_event_t *event, void *userdata)
{
switch (event->type) {
case AIOT_NTPEVT_INVALID_RESPONSE: {
uart_printf("AIOT_NTPEVT_INVALID_RESPONSE\n");
}
break;
case AIOT_NTPEVT_INVALID_TIME_FORMAT: {
uart_printf("AIOT_NTPEVT_INVALID_TIME_FORMAT\n");
}
break;
default: {
}
}
}
/* TODO: 数据处理回调, 当SDK从网络上收到ntp消息时被调用 */
static void demo_ntp_recv_handler(void *handle, const aiot_ntp_recv_t *packet, void *userdata)
{
switch (packet->type) {
/* TODO: 结构体 aiot_ntp_recv_t{} 中包含当前时区下, 年月日时分秒的数值, 可在这里把它们解析储存起来 */
case AIOT_NTPRECV_LOCAL_TIME: {
uart_printf("local time: %llu, %02d/%02d/%02d-%02d:%02d:%02d:%d\n",
(long long unsigned int)packet->data.local_time.timestamp,
packet->data.local_time.year,
packet->data.local_time.mon, packet->data.local_time.day, packet->data.local_time.hour, packet->data.local_time.min,
packet->data.local_time.sec, packet->data.local_time.msec);
}
break;
default: {
}
}
}
static void ali_ntp_test(void *arg)
{
int32_t res = STATE_SUCCESS;
/*
* 这里用中国所在的东8区演示功能, 因此例程运行时打印的是北京时间
*
* TODO: 若是其它时区, 可做相应调整, 如西3区则把8改为-3, time_zone的合理取值是-12到+12的整数
*
*/
int8_t time_zone = 8;
void *mqtt_handle = NULL, *ntp_handle = NULL;
/* 建立MQTT连接, 并开启保活线程和接收线程 */
res = demo_mqtt_start(&mqtt_handle);
if (res < 0) {
uart_printf("demo_mqtt_start failed\n");
goto exit;
}
/* 创建1个ntp客户端实例并内部初始化默认参数 */
ntp_handle = aiot_ntp_init();
if (ntp_handle == NULL) {
demo_mqtt_stop(&mqtt_handle);
uart_printf("aiot_ntp_init failed\n");
goto exit;
}
res = aiot_ntp_setopt(ntp_handle, AIOT_NTPOPT_MQTT_HANDLE, mqtt_handle);
if (res < STATE_SUCCESS) {
uart_printf("aiot_ntp_setopt AIOT_NTPOPT_MQTT_HANDLE failed, res: -0x%04X\n", -res);
aiot_ntp_deinit(&ntp_handle);
demo_mqtt_stop(&mqtt_handle);
goto exit;
}
res = aiot_ntp_setopt(ntp_handle, AIOT_NTPOPT_TIME_ZONE, (int8_t *)&time_zone);
if (res < STATE_SUCCESS) {
uart_printf("aiot_ntp_setopt AIOT_NTPOPT_TIME_ZONE failed, res: -0x%04X\n", -res);
aiot_ntp_deinit(&ntp_handle);
demo_mqtt_stop(&mqtt_handle);
goto exit;
}
/* TODO: NTP消息回应从云端到达设备时, 会进入此处设置的回调函数 */
res = aiot_ntp_setopt(ntp_handle, AIOT_NTPOPT_RECV_HANDLER, (void *)demo_ntp_recv_handler);
if (res < STATE_SUCCESS) {
uart_printf("aiot_ntp_setopt AIOT_NTPOPT_RECV_HANDLER failed, res: -0x%04X\n", -res);
aiot_ntp_deinit(&ntp_handle);
demo_mqtt_stop(&mqtt_handle);
goto exit;
}
res = aiot_ntp_setopt(ntp_handle, AIOT_NTPOPT_EVENT_HANDLER, (void *)demo_ntp_event_handler);
if (res < STATE_SUCCESS) {
uart_printf("aiot_ntp_setopt AIOT_NTPOPT_EVENT_HANDLER failed, res: -0x%04X\n", -res);
aiot_ntp_deinit(&ntp_handle);
demo_mqtt_stop(&mqtt_handle);
goto exit;
}
/* 发送NTP查询请求给云平台 */
res = aiot_ntp_send_request(ntp_handle);
if (res < STATE_SUCCESS) {
aiot_ntp_deinit(&ntp_handle);
demo_mqtt_stop(&mqtt_handle);
goto exit;
}
/* 主线程进入休眠, 等云平台的NTP回应到达时, 接收线程会调用 demo_ntp_recv_handler() */
while (1) {
ql_rtos_task_sleep_s(1);
}
/* 销毁NTP实例, 一般不会运行到这里 */
res = aiot_ntp_deinit(&ntp_handle);
if (res < STATE_SUCCESS) {
demo_mqtt_stop(&mqtt_handle);
uart_printf("aiot_ntp_deinit failed: -0x%04X\n", -res);
goto exit;
}
/* 销毁MQTT实例, 退出线程, 一般不会运行到这里 */
res = demo_mqtt_stop(&mqtt_handle);
if (res < 0) {
uart_printf("demo_start_stop failed\n");
goto exit;
}
return;
exit:
ql_rtos_task_delete(NULL);
}
#define QL_ALI_TASK_STACK_SIZE 10240
#define QL_ALI_TASK_PRIO APP_PRIORITY_NORMAL
#define QL_ALI_TASK_EVENT_CNT 5
int ql_ali_sdk_ntp_test_init(void)
{
QlOSStatus status;
int count = 0;
/* 主循环进入休眠 */
while (count < 10)
{
count++;
ql_rtos_task_sleep_s(1);
uart_printf("ql_ali_sdk_mqtt_client_test_init -0x%04X\n", count);
}
status =ql_rtos_task_create(&ql_alisdk_ntp_task_ref, QL_ALI_TASK_STACK_SIZE, APP_PRIORITY_NORMAL, "ntp_test", ali_ntp_test, NULL, QL_ALI_TASK_EVENT_CNT);
if(status < 0)
return -1;
return 0;
}