/**
* @brief MQTT Manual Re-Connection Function
*
* Called to establish an MQTT connection with the AWS IoT Service
* using parameters from the last time a connection was attempted
* Use after disconnect to start the reconnect process manually
* Makes only one reconnect attempt. Sets the client state to
* pending reconnect in case of failure
*
* @param pClient Reference to the IoT Client
*
* @return An IoT Error Type defining successful/failed connection
*/
IoT_Error_t aws_iot_mqtt_attempt_reconnect(AWS_IoT_Client *pClient) {
IoT_Error_t rc;
FUNC_ENTRY;
if(NULL == pClient) {
FUNC_EXIT_RC(NULL_VALUE_ERROR);
}
if(aws_iot_mqtt_is_client_connected(pClient)) {
FUNC_EXIT_RC(NETWORK_ALREADY_CONNECTED_ERROR);
}
/* Ignoring return code. failures expected if network is disconnected */
rc = aws_iot_mqtt_connect(pClient, NULL);
/* If still disconnected handle disconnect */
if(CLIENT_STATE_CONNECTED_IDLE != aws_iot_mqtt_get_client_state(pClient)) {
aws_iot_mqtt_set_client_state(pClient, CLIENT_STATE_DISCONNECTED_ERROR, CLIENT_STATE_PENDING_RECONNECT);
FUNC_EXIT_RC(NETWORK_ATTEMPTING_RECONNECT);
}
rc = aws_iot_mqtt_resubscribe(pClient);
if(SUCCESS != rc) {
FUNC_EXIT_RC(rc);
}
FUNC_EXIT_RC(NETWORK_RECONNECTED);
}
bool connectToThingAndSubscribeToTopic(int argc, char **argv) {
IoT_Error_t rc = FAILURE;
char rootCA[PATH_MAX + 1];
char clientCRT[PATH_MAX + 1];
char clientKey[PATH_MAX + 1];
char CurrentWD[PATH_MAX + 1];
IoT_Publish_Message_Params paramsQOS0;
getcwd(CurrentWD, sizeof(CurrentWD));
snprintf(rootCA, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_ROOT_CA_FILENAME);
snprintf(clientCRT, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_CERTIFICATE_FILENAME);
snprintf(clientKey, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_PRIVATE_KEY_FILENAME);
char JsonDocumentBuffer[MAX_LENGTH_OF_UPDATE_JSON_BUFFER];
size_t sizeOfJsonDocumentBuffer = sizeof(JsonDocumentBuffer) / sizeof(JsonDocumentBuffer[0]);
char *pJsonStringToUpdate;
ShadowInitParameters_t sp = ShadowInitParametersDefault;
IoT_Client_Init_Params mqttInitParams = iotClientInitParamsDefault;
sp.pHost = AWS_IOT_MQTT_HOST;
sp.port = AWS_IOT_MQTT_PORT;
sp.pClientCRT = clientCRT;
sp.pClientKey = clientKey;
sp.pRootCA = rootCA;
sp.enableAutoReconnect = false;
sp.disconnectHandler = NULL;
IOT_INFO("Shadow Init");
rc = aws_iot_shadow_init(&mqttClient, &sp);
if (SUCCESS != rc) {
IOT_ERROR("Shadow Connection Error");
return false;
}
ShadowConnectParameters_t scp = ShadowConnectParametersDefault;
IoT_Client_Connect_Params connectParams = iotClientConnectParamsDefault;
scp.pMyThingName = AWS_IOT_MY_THING_NAME;
scp.pMqttClientId = AWS_IOT_MQTT_CLIENT_ID;
scp.mqttClientIdLen = (uint16_t) strlen(AWS_IOT_MQTT_CLIENT_ID);
IOT_INFO("Shadow Connect");
rc = aws_iot_shadow_connect(&mqttClient, &scp);
if (SUCCESS != rc) {
IOT_ERROR("Shadow Connection Error");
return false;
}
mqttInitParams.enableAutoReconnect = false; // We enable this later below
mqttInitParams.pHostURL = HostAddress;
mqttInitParams.port = port;
mqttInitParams.pRootCALocation = rootCA;
mqttInitParams.pDeviceCertLocation = clientCRT;
mqttInitParams.pDevicePrivateKeyLocation = clientKey;
mqttInitParams.mqttCommandTimeout_ms = 20000;
mqttInitParams.tlsHandshakeTimeout_ms = 5000;
mqttInitParams.isSSLHostnameVerify = true;
mqttInitParams.disconnectHandler = disconnectCallbackHandler;
mqttInitParams.disconnectHandlerData = NULL;
rc = aws_iot_mqtt_init(&mqttClient, &mqttInitParams);
if (SUCCESS != rc) {
IOT_ERROR("aws_iot_mqtt_init returned error : %d ", rc);
return rc;
}
connectParams.keepAliveIntervalInSec = 10;
connectParams.isCleanSession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = AWS_IOT_MQTT_CLIENT_ID;
connectParams.clientIDLen = (uint16_t) strlen(AWS_IOT_MQTT_CLIENT_ID);
connectParams.isWillMsgPresent = false;
IOT_INFO("Connecting...");
rc = aws_iot_mqtt_connect(&mqttClient, &connectParams);
if (SUCCESS != rc) {
IOT_ERROR("Error(%d) connecting to %s:%d", rc, mqttInitParams.pHostURL, mqttInitParams.port);
return rc;
}
// Enable Auto Reconnect functionality
rc = aws_iot_shadow_set_autoreconnect_status(&mqttClient, true);
if (SUCCESS != rc) {
IOT_ERROR("Unable to set Auto Reconnect to true - %d", rc);
return false;
}
rc = aws_iot_mqtt_autoreconnect_set_status(&mqttClient, true);
if (SUCCESS != rc) {
IOT_ERROR("Unable to set Auto Reconnect to true - %d", rc);
return false;
}
IOT_INFO("Subscribing...");
rc = aws_iot_mqtt_subscribe(&mqttClient, subscribeTopicName, strlen(subscribeTopicName), QOS0, iot_subscribe_callback_handler, NULL);
if (SUCCESS != rc) {
IOT_ERROR("Error subscribing : %d ", rc);
return false;
}
return true;
}
IoT_Error_t MQTTConnectCloud(void)
{
IoT_Error_t rc = NONE_ERROR;
MQTTConnectParams connectParams = MQTTConnectParamsDefault;
char rootCA[PATH_MAX + 1];
char clientCRT[PATH_MAX + 1];
char clientKey[PATH_MAX + 1];
char CurrentWD[PATH_MAX + 1];
char cafileName[] = AWS_IOT_ROOT_CA_FILENAME;
char clientCRTName[] = AWS_IOT_CERTIFICATE_FILENAME;
char clientKeyName[] = AWS_IOT_PRIVATE_KEY_FILENAME;
unsigned char Password[100] = {0};
char userName[100] = {0};
char clientId[256] = {0};
time_t timestamp = time(NULL);
int timeout = 3600;
char chaccessKey[17] = {0};
conn.connectTime = 0;
getcwd(CurrentWD, sizeof(CurrentWD));
sprintf(rootCA, "%s/%s/%s", CurrentWD, certDirectory, cafileName);
sprintf(clientCRT, "%s/%s/%s", CurrentWD, certDirectory, clientCRTName);
sprintf(clientKey, "%s/%s/%s", CurrentWD, certDirectory, clientKeyName);
DEBUG("rootCA %s", rootCA);
DEBUG("clientCRT %s", clientCRT);
DEBUG("clientKey %s", clientKey);
AC_Rand(chaccessKey);
sprintf(userName, "%d#%s#%d", timeout, chaccessKey, timestamp);
sprintf(clientId, "d:%s:%s:%s", domainName, subdomainName, deviceId);
AC_GetPass(deviceId, timestamp, timeout, chaccessKey, Password);
connectParams.KeepAliveInterval_sec = 10;
connectParams.isCleansession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = clientId;
connectParams.pUserName = userName;
connectParams.pPassword = Password;
connectParams.pHostURL = HostAddress;
connectParams.port = port;
connectParams.isWillMsgPresent = false;
connectParams.pRootCALocation = rootCA;
connectParams.pDeviceCertLocation = clientCRT;
connectParams.pDevicePrivateKeyLocation = clientKey;
connectParams.mqttCommandTimeout_ms = 2000;
connectParams.tlsHandshakeTimeout_ms = 5000;
connectParams.isSSLHostnameVerify = true; // ensure this is set to true for production
connectParams.disconnectHandler = disconnectCallbackHandler;
do
{
INFO("Connecting... %s", HostAddress);
rc = aws_iot_mqtt_connect(&connectParams);
if (NONE_ERROR != rc)
{
ERROR("Error(%d) connecting to %s:%d", rc, connectParams.pHostURL, connectParams.port);
conn.connectTime++;
}
else
{
conn.connectTime = 0;
break;
}
}while(conn.connectTime < AC_CONNECT_MAX_TIME);
return rc;
}
int main(void) {
int i, j, err, sock, dev_id = -1;
struct hci_dev_info dev_info;
inquiry_info *info = NULL;
bdaddr_t target;
char addr[19] = { 0 };
char name[248] = { 0 };
uuid_t uuid = { 0 };
//Change this to your apps UUID
char *uuid_str="4e5d48e0-75df-11e3-981f-0800200c9a66";
uint32_t range = 0x0000ffff;
sdp_list_t *response_list = NULL, *search_list, *attrid_list;
int s, loco_channel = -1, status;
struct sockaddr_rc loc_addr = { 0 };
pthread_t blueThread;
FILE *fp_Setting;
char message_Buffer[64];
char mode[30], language[16], topic[16], topicLen[16];
size_t len = 16;
(void) signal(SIGINT, SIG_DFL);
changeTopic_flag = 1;
///////////////////////////MRAA/////////////////////////////
//Initialize MRAA
mraa_init();
//Initialize MRAA Pin 8 == IO8 == GP49
mraa_gpio_context BearButton = mraa_gpio_init(8);
//Check for successful initialization or else return
if (BearButton == NULL){
printf("Error initializing Push to Talk Pin, IO2\n");
return -1;
}
//Set pin to an input
mraa_gpio_dir(BearButton, MRAA_GPIO_IN);
printf("Set Pin to an input\n");
int curr_pin = mraa_gpio_get_pin(BearButton);
printf("The current pin number is %d\n", curr_pin);
int curr_raw = mraa_gpio_get_pin_raw(BearButton);
printf("The raw pin number is %d\n", curr_raw);
printf("Going to start reading the button via polling\n");
//////////////////////AWS///////////////////////////////////
aws_flag = 0;
IoT_Error_t rc = NONE_ERROR;
char HostAddress[255] = AWS_IOT_MQTT_HOST;
char certDirectory[PATH_MAX + 1] = "/AWS/SDK/certs/";
uint32_t port = AWS_IOT_MQTT_PORT;
MQTTMessageParams Msg = MQTTMessageParamsDefault;
Msg.qos = QOS_0;
char cPayload[100];
Msg.pPayload = (void *) cPayload;
char rootCA[PATH_MAX + 1];
char clientCRT[PATH_MAX + 1];
char clientKey[PATH_MAX + 1];
char cafileName[] = AWS_IOT_ROOT_CA_FILENAME;
char clientCRTName[] = AWS_IOT_CERTIFICATE_FILENAME;
char clientKeyName[] = AWS_IOT_PRIVATE_KEY_FILENAME;
sprintf(rootCA, "/%s/%s", certDirectory, cafileName);
sprintf(clientCRT, "/%s/%s", certDirectory, clientCRTName);
sprintf(clientKey, "/%s/%s", certDirectory, clientKeyName);
MQTTConnectParams connectParams = MQTTConnectParamsDefault;
connectParams.KeepAliveInterval_sec = 14000;
connectParams.isCleansession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = "TED";
connectParams.pHostURL = HostAddress;
connectParams.port = port;
connectParams.isWillMsgPresent = false;
connectParams.pRootCALocation = rootCA;
connectParams.pDeviceCertLocation = clientCRT;
connectParams.pDevicePrivateKeyLocation = clientKey;
connectParams.mqttCommandTimeout_ms = 2000;
connectParams.tlsHandshakeTimeout_ms = 5000;
connectParams.isSSLHostnameVerify = true;// ensure this is set to true for production
connectParams.disconnectHandler = disconnectCallbackHandler;
MQTTPublishParams CurriculumParams = MQTTPublishParamsDefault;
CurriculumParams.pTopic = "Bear/Curriculum/Request";
MQTTPublishParams MetricsParams = MQTTPublishParamsDefault;
MetricsParams.pTopic = "Bear/Curriculum/Metrics";
///////////////////////////////////////////////////////////////////////////////////////
dev_id = hci_get_route(NULL);
if (dev_id < 0) {
perror("No Bluetooth Adapter Available");
exit(1);
}
if (hci_devinfo(dev_id, &dev_info) < 0) {
perror("Can't get device info");
exit(1);
}
sock = hci_open_dev( dev_id );
if (sock < 0) {
perror("HCI device open failed");
free(info);
exit(1);
}
if( !str2uuid( uuid_str, &uuid ) ) {
perror("Invalid UUID");
free(info);
exit(1);
}
do {
printf("Scanning ...\n");
sdp_session_t *session;
int retries;
int foundit, responses;
str2ba(TABLET_ADDRESS,&target);
memset(name, 0, sizeof(name));
if (hci_read_remote_name(sock, &target, sizeof(name), name, 0) < 0){
strcpy(name, "[unknown]");
}
printf("Found %s %s, searching for the the desired service on it now\n", addr, name);
// connect to the SDP server running on the remote machine
sdpconnect:
session = 0; retries = 0;
while(!session) {
session = sdp_connect( BDADDR_ANY, &target, SDP_RETRY_IF_BUSY );
if(session) break;
if(errno == EALREADY && retries < 5) {
perror("Retrying");
retries++;
sleep(1);
continue;
}
break;
}
if ( session == NULL ) {
perror("Can't open session with the device");
continue;
}
search_list = sdp_list_append( 0, &uuid );
attrid_list = sdp_list_append( 0, &range );
err = 0;
err = sdp_service_search_attr_req( session, search_list, SDP_ATTR_REQ_RANGE, attrid_list, &response_list);
sdp_list_t *r = response_list;
sdp_record_t *rec;
// go through each of the service records
foundit = 0;
responses = 0;
for (; r; r = r->next ) {
responses++;
rec = (sdp_record_t*) r->data;
sdp_list_t *proto_list;
// get a list of the protocol sequences
if( sdp_get_access_protos( rec, &proto_list ) == 0 ) {
sdp_list_t *p = proto_list;
// go through each protocol sequence
for( ; p ; p = p->next ) {
sdp_list_t *pds = (sdp_list_t*)p->data;
// go through each protocol list of the protocol sequence
for( ; pds ; pds = pds->next ) {
// check the protocol attributes
sdp_data_t *d = (sdp_data_t*)pds->data;
int proto = 0;
for( ; d; d = d->next ) {
switch( d->dtd ) {
case SDP_UUID16:
case SDP_UUID32:
case SDP_UUID128:
proto = sdp_uuid_to_proto( &d->val.uuid );
break;
case SDP_UINT8:
if( proto == RFCOMM_UUID ) {
printf("rfcomm channel: %d\n",d->val.int8);
loco_channel = d->val.int8;
foundit = 1;
}
break;
}
}
}
sdp_list_free( (sdp_list_t*)p->data, 0 );
}
sdp_list_free( proto_list, 0 );
}
if (loco_channel > 0)
break;
}
printf("No of Responses %d\n", responses);
if ( loco_channel > 0 && foundit == 1 ) {
printf("Found service on this device, now gonna blast it with dummy data\n");
s = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
loc_addr.rc_family = AF_BLUETOOTH;
loc_addr.rc_channel = loco_channel;
loc_addr.rc_bdaddr = *(&target);
status = connect(s, (struct sockaddr *)&loc_addr, sizeof(loc_addr));
if( status < 0 ) {
perror("uh oh");
}
rc = pthread_create(&blueThread, NULL, threadListen, (void *)s);
if (rc){
printf("ERROR: %d\n", rc);
exit(1);
}
MQTTSubscribeParams subParams = MQTTSubscribeParamsDefault;
//Loop through trying to subscribe to AWS incase the first attempt fails, so will keep trying until the app sends the edison proper network info.
do{
INFO("Connecting...");
rc = aws_iot_mqtt_connect(&connectParams);
if (NONE_ERROR != rc) {
ERROR("Error(%d) connecting to %s:%d", rc, connectParams.pHostURL, connectParams.port);
}
subParams.mHandler = MQTTcallbackHandler;
subParams.pTopic = "Bear/Curriculum/Response";
subParams.qos = QOS_0;
if (NONE_ERROR == rc) {
INFO("Subscribing...");
rc = aws_iot_mqtt_subscribe(&subParams);
if (NONE_ERROR != rc) {
ERROR("Error subscribing");
}
}
sleep(1);
}while(NONE_ERROR != rc);
aws_flag = 1;
//////////////////////////Start of teaching stuff//////////////////////////////////////////
do {
if(changeTopic_flag){
sprintf(cPayload, "{\"BearID\":\"%s\"}",BEARID);
Msg.PayloadLen = strlen(cPayload) + 1;
CurriculumParams.MessageParams = Msg;
rc = aws_iot_mqtt_publish(&CurriculumParams);
while(rc == NONE_ERROR && changeTopic_flag){
rc = aws_iot_mqtt_yield(100);
INFO("-->sleep");
sleep(1);
}
changeTopic_flag = 0;
}
fp_Setting = fopen("/Curriculum/BearSettings.txt", "r");
fgets(language, sizeof(language), fp_Setting);
fgets(mode, sizeof(mode), fp_Setting);
fgets(topic, sizeof(topic), fp_Setting);
fgets(topicLen, sizeof(topicLen), fp_Setting);
language[strlen(language)-1] = 0;
mode[strlen(mode)-1] = 0;
topic[strlen(topic)-1] = 0;
topicLen[strlen(topicLen)-1] = 0;
fclose(fp_Setting);
//Wait for the tablet to tell the edison to start the lesson
while(strcmp(threadMessage, "learning")){
printf("Waiting for learning, got: %s\n", threadMessage);
if(!strcmp(threadMessage, "crash")){
memset(threadMessage, 0, sizeof(threadMessage));
goto CRASHED;
}
memset(threadMessage, 0, sizeof(threadMessage));
sleep(1);
}
printf("Current Mode: %s\n", mode);
printf("Current Language: %s\n", language);
printf("Current topic: %s\n", topic);
//Call a different function depending on what teaching mode it is, also write to the tablet based on the topic info and lesson
if(!strcmp(mode, "Repeat After Me")){
sprintf(message_Buffer,"%s,1,%s",language, topicLen);
status = write(s,message_Buffer,sizeof(message_Buffer));
if(!strcmp(language, "English")){
status = repeat_after_me_english(s, topic, MetricsParams, BearButton);
}
else{
status = repeat_after_me_foreign(s, language, topic, MetricsParams, BearButton);
}
}
else if(!strcmp(mode, "English to Foreign")){
sprintf(message_Buffer,"%s,3,%s",language, topicLen);
status = write(s,message_Buffer,sizeof(message_Buffer));
status = english_to_foreign(s, language, topic, MetricsParams, BearButton);
}
else if(!strcmp(mode, "Foreign to English")){
sprintf(message_Buffer,"%s,2,%s",language, topicLen);
status = write(s,message_Buffer,sizeof(message_Buffer));
status = foreign_to_english(s, language, topic, MetricsParams, BearButton);
}
changeTopic_flag = 1;
printf("Changing Topic");
sleep(5);
} while (status > 0);
CRASHED:
printf("\nBluetooth Disconnected\n");
close(s);
sdp_record_free( rec );
}
sdp_close(session);
if (loco_channel > 0) {
goto sdpconnect;
//break;
}
sleep(1);
} while (1);
printf("Exiting...\n");
}
int AWS_IOT::connect(char *hostAddress, char *clientID)
{
const size_t stack_size = 36*1024;
strcpy(AWS_IOT_HOST_ADDRESS,hostAddress);
IoT_Error_t rc = FAILURE;
IoT_Client_Init_Params mqttInitParams = iotClientInitParamsDefault;
IoT_Client_Connect_Params connectParams = iotClientConnectParamsDefault;
ESP_LOGI(TAG, "AWS IoT SDK Version %d.%d.%d-%s", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_TAG);
mqttInitParams.enableAutoReconnect = false; // We enable this later below
mqttInitParams.pHostURL = AWS_IOT_HOST_ADDRESS;
mqttInitParams.port = CONFIG_AWS_IOT_MQTT_PORT;
mqttInitParams.pRootCALocation = (const char *)aws_root_ca_pem;
mqttInitParams.pDeviceCertLocation = (const char *)certificate_pem_crt;
mqttInitParams.pDevicePrivateKeyLocation = (const char *)private_pem_key;
mqttInitParams.mqttCommandTimeout_ms = 20000;
mqttInitParams.tlsHandshakeTimeout_ms = 5000;
mqttInitParams.isSSLHostnameVerify = true;
mqttInitParams.disconnectHandler = disconnectCallbackHandler;
mqttInitParams.disconnectHandlerData = NULL;
rc = aws_iot_mqtt_init(&client, &mqttInitParams);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "aws_iot_mqtt_init returned error : %d ", rc);
return rc; //abort();
}
connectParams.keepAliveIntervalInSec = 10;
connectParams.isCleanSession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
/* Client ID is set in the menuconfig of the example */
connectParams.pClientID = clientID;
connectParams.clientIDLen = (uint16_t) strlen(clientID);
connectParams.isWillMsgPresent = false;
ESP_LOGI(TAG, "Connecting to AWS...");
do {
rc = aws_iot_mqtt_connect(&client, &connectParams);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "Error(%d) connecting to %s:%d, \n\rTrying to reconnect", rc, mqttInitParams.pHostURL, mqttInitParams.port);
}
} while(SUCCESS != rc);
/*
* Enable Auto Reconnect functionality. Minimum and Maximum time of Exponential backoff are set in aws_iot_config.h
* #AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
* #AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
*/
/* rc = aws_iot_mqtt_autoreconnect_set_status(&client, true);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "Unable to set Auto Reconnect to true - %d", rc);
abort();
} */
if(rc == SUCCESS)
xTaskCreatePinnedToCore(&aws_iot_task, "aws_iot_task", stack_size, NULL, 5, NULL, 1);
return rc;
}
int main(int argc, char **argv) {
bool infinitePublishFlag = true;
char rootCA[PATH_MAX + 1];
char clientCRT[PATH_MAX + 1];
char clientKey[PATH_MAX + 1];
char CurrentWD[PATH_MAX + 1];
char cPayload[100];
int32_t i = 0;
IoT_Error_t rc = FAILURE;
AWS_IoT_Client client;
IoT_Client_Init_Params mqttInitParams = iotClientInitParamsDefault;
IoT_Client_Connect_Params connectParams = iotClientConnectParamsDefault;
IoT_Publish_Message_Params paramsQOS0;
IoT_Publish_Message_Params paramsQOS1;
parseInputArgsForConnectParams(argc, argv);
IOT_INFO("\nAWS IoT SDK Version %d.%d.%d-%s\n", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_TAG);
getcwd(CurrentWD, sizeof(CurrentWD));
snprintf(rootCA, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_ROOT_CA_FILENAME);
snprintf(clientCRT, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_CERTIFICATE_FILENAME);
snprintf(clientKey, PATH_MAX + 1, "%s/%s/%s", CurrentWD, certDirectory, AWS_IOT_PRIVATE_KEY_FILENAME);
IOT_DEBUG("rootCA %s", rootCA);
IOT_DEBUG("clientCRT %s", clientCRT);
IOT_DEBUG("clientKey %s", clientKey);
mqttInitParams.enableAutoReconnect = false; // We enable this later below
mqttInitParams.pHostURL = HostAddress;
mqttInitParams.port = port;
mqttInitParams.pRootCALocation = rootCA;
mqttInitParams.pDeviceCertLocation = clientCRT;
mqttInitParams.pDevicePrivateKeyLocation = clientKey;
mqttInitParams.mqttCommandTimeout_ms = 20000;
mqttInitParams.tlsHandshakeTimeout_ms = 5000;
mqttInitParams.isSSLHostnameVerify = true;
mqttInitParams.disconnectHandler = disconnectCallbackHandler;
mqttInitParams.disconnectHandlerData = NULL;
rc = aws_iot_mqtt_init(&client, &mqttInitParams);
if(SUCCESS != rc) {
IOT_ERROR("aws_iot_mqtt_init returned error : %d ", rc);
return rc;
}
connectParams.keepAliveIntervalInSec = 10;
connectParams.isCleanSession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = AWS_IOT_MQTT_CLIENT_ID;
connectParams.clientIDLen = (uint16_t) strlen(AWS_IOT_MQTT_CLIENT_ID);
connectParams.isWillMsgPresent = false;
IOT_INFO("Connecting...");
rc = aws_iot_mqtt_connect(&client, &connectParams);
if(SUCCESS != rc) {
IOT_ERROR("Error(%d) connecting to %s:%d", rc, mqttInitParams.pHostURL, mqttInitParams.port);
return rc;
}
/*
* Enable Auto Reconnect functionality. Minimum and Maximum time of Exponential backoff are set in aws_iot_config.h
* #AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
* #AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
*/
rc = aws_iot_mqtt_autoreconnect_set_status(&client, true);
if(SUCCESS != rc) {
IOT_ERROR("Unable to set Auto Reconnect to true - %d", rc);
return rc;
}
IOT_INFO("Subscribing...");
rc = aws_iot_mqtt_subscribe(&client, "sdkTest/sub", 11, QOS0, iot_subscribe_callback_handler, NULL);
if(SUCCESS != rc) {
IOT_ERROR("Error subscribing : %d ", rc);
return rc;
}
sprintf(cPayload, "%s : %d ", "hello from SDK", i);
paramsQOS0.qos = QOS0;
paramsQOS0.payload = (void *) cPayload;
paramsQOS0.isRetained = 0;
paramsQOS1.qos = QOS1;
paramsQOS1.payload = (void *) cPayload;
paramsQOS1.isRetained = 0;
if(publishCount != 0) {
infinitePublishFlag = false;
}
while((NETWORK_ATTEMPTING_RECONNECT == rc || NETWORK_RECONNECTED == rc || SUCCESS == rc)
&& (publishCount > 0 || infinitePublishFlag)) {
//Max time the yield function will wait for read messages
rc = aws_iot_mqtt_yield(&client, 100);
if(NETWORK_ATTEMPTING_RECONNECT == rc) {
// If the client is attempting to reconnect we will skip the rest of the loop.
continue;
}
IOT_INFO("-->sleep");
sleep(1);
sprintf(cPayload, "%s : %d ", "hello from SDK QOS0", i++);
paramsQOS0.payloadLen = strlen(cPayload);
rc = aws_iot_mqtt_publish(&client, "sdkTest/sub", 11, ¶msQOS0);
if(publishCount > 0) {
publishCount--;
}
sprintf(cPayload, "%s : %d ", "hello from SDK QOS1", i++);
paramsQOS1.payloadLen = strlen(cPayload);
rc = aws_iot_mqtt_publish(&client, "sdkTest/sub", 11, ¶msQOS1);
if (rc == MQTT_REQUEST_TIMEOUT_ERROR) {
IOT_WARN("QOS1 publish ack not received.\n");
rc = SUCCESS;
}
if(publishCount > 0) {
publishCount--;
}
}
if(SUCCESS != rc) {
IOT_ERROR("An error occurred in the loop.\n");
} else {
IOT_INFO("Publish done\n");
}
return rc;
}
int main(int argc, char** argv) {
wiringPiSetup () ;
pinMode (0, OUTPUT) ;
IoT_Error_t rc = NONE_ERROR;
bool infinitePublishFlag = true;
char rootCA[PATH_MAX + 1];
char clientCRT[PATH_MAX + 1];
char clientKey[PATH_MAX + 1];
char CurrentWD[PATH_MAX + 1];
char cafileName[] = AWS_IOT_ROOT_CA_FILENAME;
char clientCRTName[] = AWS_IOT_CERTIFICATE_FILENAME;
char clientKeyName[] = AWS_IOT_PRIVATE_KEY_FILENAME;
parseInputArgsForConnectParams(argc, argv);
INFO("\nAWS IoT SDK Version %d.%d.%d-%s\n", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_TAG);
getcwd(CurrentWD, sizeof(CurrentWD));
sprintf(rootCA, "%s/%s/%s", CurrentWD, certDirectory, cafileName);
sprintf(clientCRT, "%s/%s/%s", CurrentWD, certDirectory, clientCRTName);
sprintf(clientKey, "%s/%s/%s", CurrentWD, certDirectory, clientKeyName);
DEBUG("rootCA %s", rootCA);
DEBUG("clientCRT %s", clientCRT);
DEBUG("clientKey %s", clientKey);
MQTTConnectParams connectParams = MQTTConnectParamsDefault;
connectParams.KeepAliveInterval_sec = 10;
connectParams.isCleansession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = "CSDK-test-device";
connectParams.pHostURL = HostAddress;
connectParams.port = port;
connectParams.isWillMsgPresent = false;
connectParams.pRootCALocation = rootCA;
connectParams.pDeviceCertLocation = clientCRT;
connectParams.pDevicePrivateKeyLocation = clientKey;
connectParams.mqttCommandTimeout_ms = 2000;
connectParams.tlsHandshakeTimeout_ms = 5000;
connectParams.isSSLHostnameVerify = true; // ensure this is set to true for production
connectParams.disconnectHandler = disconnectCallbackHandler;
INFO("Connecting...");
rc = aws_iot_mqtt_connect(&connectParams);
if (NONE_ERROR != rc) {
ERROR("Error(%d) connecting to %s:%d", rc, connectParams.pHostURL, connectParams.port);
}
/*
* Enable Auto Reconnect functionality. Minimum and Maximum time of Exponential backoff are set in aws_iot_config.h
* #AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
* #AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
*/
rc = aws_iot_mqtt_autoreconnect_set_status(true);
if (NONE_ERROR != rc) {
ERROR("Unable to set Auto Reconnect to true - %d", rc);
return rc;
}
MQTTSubscribeParams subParams = MQTTSubscribeParamsDefault;
subParams.mHandler = MQTTcallbackHandler;
subParams.pTopic = "sdkTest/sub";
subParams.qos = QOS_0;
if (NONE_ERROR == rc) {
INFO("Subscribing...");
rc = aws_iot_mqtt_subscribe(&subParams);
if (NONE_ERROR != rc) {
ERROR("Error subscribing");
}
}
MQTTMessageParams Msg = MQTTMessageParamsDefault;
Msg.qos = QOS_0;
char cPayload[100];
sprintf(cPayload, "%s", "hello from SDK");
Msg.pPayload = (void *) cPayload;
MQTTPublishParams Params = MQTTPublishParamsDefault;
Params.pTopic = "sdkTest/sub";
if (publishCount != 0) {
infinitePublishFlag = false;
}
while ((NETWORK_ATTEMPTING_RECONNECT == rc || RECONNECT_SUCCESSFUL == rc || NONE_ERROR == rc)
&& (publishCount > 0 || infinitePublishFlag)) {
//Max time the yield function will wait for read messages
rc = aws_iot_mqtt_yield(100);
if(NETWORK_ATTEMPTING_RECONNECT == rc){
INFO("-->sleep");
sleep(1);
// If the client is attempting to reconnect we will skip the rest of the loop.
continue;
}
INFO("-->sleep");
sleep(1);
if (digitalRead (0) == HIGH)
sprintf(cPayload, "%s:%d", "turn on the light", 1);
sleep(1);
if (digitalRead (0) == LOW)
sprintf(cPayload, "%s:%d", "turn off the light", 0);
sleep(1);
Msg.PayloadLen = strlen(cPayload) + 1;
Params.MessageParams = Msg;
rc = aws_iot_mqtt_publish(&Params);
if (publishCount > 0) {
publishCount--;
}
}
if (NONE_ERROR != rc) {
ERROR("An error occurred in the loop.\n");
} else {
INFO("Publish done\n");
}
return rc;
}
/* F:7 - Disconnect, with set handler and invoked on disconnect */
TEST_C(DisconnectTests, SetHandlerAndInvokedOnDisconnect) {
bool connected = false;
bool currentAutoReconnectStatus = false;
int i;
int j;
int attempt = 3;
uint32_t dcCount = 0;
IoT_Error_t rc = SUCCESS;
IOT_DEBUG("-->Running Disconnect Tests - F:7 - Disconnect, with set handler and invoked on disconnect \n");
handlerInvoked = false;
InitMQTTParamsSetup(&initParams, "localhost", AWS_IOT_MQTT_PORT, false, NULL);
rc = aws_iot_mqtt_init(&iotClient, &initParams);
CHECK_EQUAL_C_INT(SUCCESS, rc);
ConnectMQTTParamsSetup(&connectParams, AWS_IOT_MQTT_CLIENT_ID, (uint16_t) strlen(AWS_IOT_MQTT_CLIENT_ID));
connectParams.keepAliveIntervalInSec = 5;
setTLSRxBufferForConnack(&connectParams, 0, 0);
rc = aws_iot_mqtt_connect(&iotClient, &connectParams);
CHECK_EQUAL_C_INT(SUCCESS, rc);
aws_iot_mqtt_set_disconnect_handler(&iotClient, disconnectTestHandler, NULL);
aws_iot_mqtt_autoreconnect_set_status(&iotClient, true);
IOT_DEBUG("Current Keep Alive Interval is set to %d sec.\n", connectParams.keepAliveIntervalInSec);
currentAutoReconnectStatus = aws_iot_is_autoreconnect_enabled(&iotClient);
connected = aws_iot_mqtt_is_client_connected(&iotClient);
CHECK_EQUAL_C_INT(1, connected);
aws_iot_mqtt_autoreconnect_set_status(&iotClient, false);
// 3 cycles of keep alive time expiring
// verify a ping request is sent and give a ping response
for(i = 0; i < attempt; i++) {
/* Set TLS buffer for ping response */
ResetTLSBuffer();
setTLSRxBufferForPingresp();
for(j = 0; j <= connectParams.keepAliveIntervalInSec; j++) {
sleep(1);
rc = aws_iot_mqtt_yield(&iotClient, 100);
CHECK_EQUAL_C_INT(SUCCESS, rc);
}
CHECK_EQUAL_C_INT(1, isLastTLSTxMessagePingreq());
}
ResetTLSBuffer();
// keepalive() waits for 1/2 of keepalive time after sending ping request
// to receive a pingresponse before determining the connection is not alive
// wait for keepalive time and then yield()
sleep(connectParams.keepAliveIntervalInSec);
rc = aws_iot_mqtt_yield(&iotClient, 100);
CHECK_EQUAL_C_INT(NETWORK_DISCONNECTED_ERROR, rc);
CHECK_EQUAL_C_INT(1, isLastTLSTxMessageDisconnect());
connected = aws_iot_mqtt_is_client_connected(&iotClient);
CHECK_EQUAL_C_INT(0, connected);
CHECK_EQUAL_C_INT(true, handlerInvoked);
dcCount = aws_iot_mqtt_get_network_disconnected_count(&iotClient);
CHECK_C(1 == dcCount);
aws_iot_mqtt_reset_network_disconnected_count(&iotClient);
dcCount = aws_iot_mqtt_get_network_disconnected_count(&iotClient);
CHECK_C(0 == dcCount);
ResetTLSBuffer();
aws_iot_mqtt_autoreconnect_set_status(&iotClient, currentAutoReconnectStatus);
IOT_DEBUG("-->Success - F:7 - Disconnect, with set handler and invoked on disconnect \n");
}
void aws_iot_task(void *param) {
char cPayload[100];
int32_t i = 0;
IoT_Error_t rc = FAILURE;
AWS_IoT_Client client;
IoT_Client_Init_Params mqttInitParams = iotClientInitParamsDefault;
IoT_Client_Connect_Params connectParams = iotClientConnectParamsDefault;
IoT_Publish_Message_Params paramsQOS0;
IoT_Publish_Message_Params paramsQOS1;
ESP_LOGI(TAG, "AWS IoT SDK Version %d.%d.%d-%s", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_TAG);
mqttInitParams.enableAutoReconnect = false; // We enable this later below
mqttInitParams.pHostURL = HostAddress;
mqttInitParams.port = port;
#if defined(CONFIG_EXAMPLE_EMBEDDED_CERTS)
mqttInitParams.pRootCALocation = (const char *)aws_root_ca_pem_start;
mqttInitParams.pDeviceCertLocation = (const char *)certificate_pem_crt_start;
mqttInitParams.pDevicePrivateKeyLocation = (const char *)private_pem_key_start;
#elif defined(CONFIG_EXAMPLE_FILESYSTEM_CERTS)
mqttInitParams.pRootCALocation = ROOT_CA_PATH;
mqttInitParams.pDeviceCertLocation = DEVICE_CERTIFICATE_PATH;
mqttInitParams.pDevicePrivateKeyLocation = DEVICE_PRIVATE_KEY_PATH;
#endif
mqttInitParams.mqttCommandTimeout_ms = 20000;
mqttInitParams.tlsHandshakeTimeout_ms = 5000;
mqttInitParams.isSSLHostnameVerify = true;
mqttInitParams.disconnectHandler = disconnectCallbackHandler;
mqttInitParams.disconnectHandlerData = NULL;
#ifdef CONFIG_EXAMPLE_SDCARD_CERTS
ESP_LOGI(TAG, "Mounting SD card...");
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = 3,
};
sdmmc_card_t* card;
esp_err_t ret = esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, &card);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to mount SD card VFAT filesystem. Error: %s", esp_err_to_name(ret));
abort();
}
#endif
rc = aws_iot_mqtt_init(&client, &mqttInitParams);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "aws_iot_mqtt_init returned error : %d ", rc);
abort();
}
/* Wait for WiFI to show as connected */
xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
false, true, portMAX_DELAY);
connectParams.keepAliveIntervalInSec = 10;
connectParams.isCleanSession = true;
connectParams.MQTTVersion = MQTT_3_1_1;
/* Client ID is set in the menuconfig of the example */
connectParams.pClientID = CONFIG_AWS_EXAMPLE_CLIENT_ID;
connectParams.clientIDLen = (uint16_t) strlen(CONFIG_AWS_EXAMPLE_CLIENT_ID);
connectParams.isWillMsgPresent = false;
ESP_LOGI(TAG, "Connecting to AWS...");
do {
rc = aws_iot_mqtt_connect(&client, &connectParams);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "Error(%d) connecting to %s:%d", rc, mqttInitParams.pHostURL, mqttInitParams.port);
vTaskDelay(1000 / portTICK_RATE_MS);
}
} while(SUCCESS != rc);
/*
* Enable Auto Reconnect functionality. Minimum and Maximum time of Exponential backoff are set in aws_iot_config.h
* #AWS_IOT_MQTT_MIN_RECONNECT_WAIT_INTERVAL
* #AWS_IOT_MQTT_MAX_RECONNECT_WAIT_INTERVAL
*/
rc = aws_iot_mqtt_autoreconnect_set_status(&client, true);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "Unable to set Auto Reconnect to true - %d", rc);
abort();
}
const char *TOPIC = "test_topic/esp32";
const int TOPIC_LEN = strlen(TOPIC);
ESP_LOGI(TAG, "Subscribing...");
rc = aws_iot_mqtt_subscribe(&client, TOPIC, TOPIC_LEN, QOS0, iot_subscribe_callback_handler, NULL);
if(SUCCESS != rc) {
ESP_LOGE(TAG, "Error subscribing : %d ", rc);
abort();
}
sprintf(cPayload, "%s : %d ", "hello from SDK", i);
paramsQOS0.qos = QOS0;
paramsQOS0.payload = (void *) cPayload;
paramsQOS0.isRetained = 0;
paramsQOS1.qos = QOS1;
paramsQOS1.payload = (void *) cPayload;
paramsQOS1.isRetained = 0;
while(1) {
//Max time the yield function will wait for read messages
rc = aws_iot_mqtt_yield(&client, 100);
if(NETWORK_ATTEMPTING_RECONNECT == rc) {
// If the client is attempting to reconnect we will skip the rest of the loop.
continue;
}
ESP_LOGI(TAG, "Stack remaining for task '%s' is %lu bytes", pcTaskGetTaskName(NULL), uxTaskGetStackHighWaterMark(NULL));
vTaskDelay(1000 / portTICK_RATE_MS);
sprintf(cPayload, "%s : %d ", "hello from ESP32 (QOS0)", i++);
paramsQOS0.payloadLen = strlen(cPayload);
rc = aws_iot_mqtt_publish(&client, TOPIC, TOPIC_LEN, ¶msQOS0);
sprintf(cPayload, "%s : %d ", "hello from ESP32 (QOS1)", i++);
paramsQOS1.payloadLen = strlen(cPayload);
rc = aws_iot_mqtt_publish(&client, TOPIC, TOPIC_LEN, ¶msQOS1);
if (rc == MQTT_REQUEST_TIMEOUT_ERROR) {
ESP_LOGW(TAG, "QOS1 publish ack not received.");
rc = SUCCESS;
}
}
ESP_LOGE(TAG, "An error occurred in the main loop.");
abort();
}
static void initialise_wifi(void)
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
wifi_config_t wifi_config = {
.sta = {
.ssid = EXAMPLE_WIFI_SSID,
.password = EXAMPLE_WIFI_PASS,
},
};
ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
}
