bool mqtt_async::MqttClient::Disconnect(int tmout, const ActDoneCB& cb)
{
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
Token* tok = nullptr;
std::shared_ptr<Token> stok;
if (cb)
{
tok = new Token(this);
stok = std::shared_ptr<Token>(tok);
stok->act_done_cb = cb;
SaveToken(stok);
}
opts.onSuccess = cb?&Token::OnSuccess : nullptr ;
opts.onFailure = cb?&Token::OnFailed : nullptr ;
opts.timeout = tmout;
opts.context = tok;
int rc;
if ((rc = MQTTAsync_disconnect(client, &opts)) != MQTTASYNC_SUCCESS)
{
if (tok)
RemoveToken(tok);
throw rc;
}
return true;
}
int janus_mqtt_client_disconnect(janus_mqtt_context *ctx) {
MQTTAsync_disconnectOptions options = MQTTAsync_disconnectOptions_initializer;
options.onSuccess = janus_mqtt_client_disconnect_success;
options.onFailure = janus_mqtt_client_disconnect_failure;
options.context = ctx;
options.timeout = ctx->disconnect.timeout;
return MQTTAsync_disconnect(ctx->client, &options);
}
int main(int argc, char* argv[])
{
MQTTAsync client;
MQTTAsync_connectOptions conn_opts = MQTTAsync_connectOptions_initializer;
MQTTAsync_disconnectOptions disc_opts = MQTTAsync_disconnectOptions_initializer;
MQTTAsync_message pubmsg = MQTTAsync_message_initializer;
MQTTAsync_token token;
int rc;
int ch;
MQTTAsync_create(&client, ADDRESS, CLIENTID, MQTTCLIENT_PERSISTENCE_NONE, NULL);
MQTTAsync_setCallbacks(client, NULL, connlost, msgarrvd, NULL);
conn_opts.keepAliveInterval = 20;
conn_opts.cleansession = 1;
conn_opts.onSuccess = onConnect;
conn_opts.onFailure = onConnectFailure;
conn_opts.context = client;
if ((rc = MQTTAsync_connect(client, &conn_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start connect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
while (!subscribed)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
if (finished)
goto exit;
do
{
ch = getchar();
} while (ch!='Q' && ch != 'q');
disc_opts.onSuccess = onDisconnect;
if ((rc = MQTTAsync_disconnect(client, &disc_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start disconnect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
while (!disc_finished)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
exit:
MQTTAsync_destroy(&client);
return rc;
}
void test3_onUnsubscribe(void* context, MQTTAsync_successData* response)
{
client_data* cd = (client_data*)context;
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
int rc;
MyLog(LOGA_DEBUG, "In onUnsubscribe onSuccess callback \"%s\"", cd->clientid);
opts.onSuccess = test3_onDisconnect;
opts.context = cd;
rc = MQTTAsync_disconnect(cd->c, &opts);
assert("Disconnect successful", rc == MQTTASYNC_SUCCESS, "rc was %d", rc);
}
void test1_onUnsubscribe(void* context, MQTTAsync_successData* response)
{
MQTTAsync c = (MQTTAsync)context;
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
int rc;
MyLog(LOGA_DEBUG, "In onUnsubscribe onSuccess callback %p", c);
opts.onSuccess = test1_onDisconnect;
opts.context = c;
rc = MQTTAsync_disconnect(c, &opts);
assert("Disconnect successful", rc == MQTTASYNC_SUCCESS, "rc was %d", rc);
}
/**
* @brief disconnect mqtt
*/
int MQTTAsyncDisconnect() {
#ifdef SPT_DEBUG_ENABLE
SPTekDebugLog(LOG_LEVEL_INFO, "MQTTAsyncDisconnect()");
#else
SKTDebugPrint(LOG_LEVEL_INFO, "MQTTAsyncDisconnect()");
#endif
MQTTAsync_disconnectOptions disc_opts = MQTTAsync_disconnectOptions_initializer;
disc_opts.onSuccess = OnDisconnect;
int rc;
if(mClient != NULL) {
rc = MQTTAsync_disconnect(mClient, &disc_opts);
}
return rc;
}
/*
* After sending the message disconnect from IoT/mqtt server
*/
int disconnect_mqtt_client(MQTTAsync* client) {
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
int rc = MQTTASYNC_SUCCESS;
opts.context = client;
if ((rc = MQTTAsync_disconnect(client, &opts)) != MQTTASYNC_SUCCESS) {
#ifdef ERROR
syslog(LOG_ERR, "Failed to start sendMessage, return code %d\n", rc);
#endif
}
MQTTAsync_destroy(client);
return rc;
}
void onSendAgain(void* context, MQTTAsync_successData* response)
{
MQTTAsync client = (MQTTAsync)context;
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
MQTTAsync_message pubmsg = MQTTAsync_message_initializer;
int rc;
printf("Message with token value %d delivery confirmed\n", response->token);
opts.onSuccess = onDisconnect;
opts.context = client;
if ((rc = MQTTAsync_disconnect(client, &opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start sendMessage, return code %d\n", rc);
exit(-1);
}
}
int MQTTConnector::stop() {
IBMRAS_DEBUG(debug, "stop");
if (mqttClient != NULL) {
if (MQTTAsync_isConnected(mqttClient)) {
// Send will message before our clean termination
char* message = new char[willMessage.length() + 1];
strcpy(message, willMessage.c_str());
MQTTAsync_send(mqttClient, willTopic.c_str(), strlen(message),
message, 1, 0, NULL);
delete[] message;
return MQTTAsync_disconnect(mqttClient, NULL);
}
}
return -1;
}
/**
* @name Cleanup the MQTT client
* @brief Used to close the connections and for cleanup activities.
* @return boolean, which specifies whether the connection is disconnected or not
*/
int done() {
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
int rc = 0;
opts.onSuccess = onDisconnect;
opts.context = client;
if ((rc = MQTTAsync_disconnect(client, &opts)) != MQTTASYNC_SUCCESS) {
printf("Failed to start disconnect, return code %d\n", rc);
exit(-1);
}
finished = 1;
toStop = 0;
MQTTAsync_destroy(&client);
return rc;
}
/**
* The main entry point of the sample.
*
* This method handles parsing the arguments specified on the
* command-line before performing the specified action.
*/
int main(int argc, char** argv)
{
int rc = 0;
int ch;
char url[256];
// Default settings:
int i=0;
MQTTAsync client;
MQTTAsync_connectOptions conn_opts = MQTTAsync_connectOptions_initializer;
MQTTAsync_message pubmsg = MQTTAsync_message_initializer;
MQTTAsync_token token;
signal(SIGINT, handleSignal);
signal(SIGTERM, handleSignal);
quietMode = 0;
// Parse the arguments -
for (i=1; i<argc; i++)
{
// Check this is a valid argument
if (strlen(argv[i]) == 2 && argv[i][0] == '-')
{
char arg = argv[i][1];
// Handle the no-value arguments
if (arg == 'h' || arg == '?')
{
printHelp();
return 255;
}
else if (arg == 'q')
{
quietMode = 1;
continue;
}
// Validate there is a value associated with the argument
if (i == argc - 1 || argv[i+1][0] == '-')
{
printf("Missing value for argument: %s\n", argv[i]);
printHelp();
return 255;
}
switch(arg)
{
case 'a': options.action = argv[++i]; break;
case 't': options.topic = argv[++i]; break;
case 'm': options.message = argv[++i]; break;
case 's': options.qos = atoi(argv[++i]); break;
case 'c': options.message_count = atoi(argv[++i]); break;
case 'b': options.broker = argv[++i]; break;
case 'p': options.port = argv[++i]; break;
default:
printf("Unrecognised argument: %s\n", argv[i]);
printHelp();
return 255;
}
}
else
{
printf("Unrecognised argument: %s\n", argv[i]);
printHelp();
return 255;
}
}
// Validate the provided arguments
if (strcmp(options.action, "publish") != 0 && strcmp(options.action, "subscribe") != 0)
{
printf("Invalid action: %s\n", options.action);
printHelp();
return 255;
}
if (options.qos < 0 || options.qos > 2)
{
printf("Invalid QoS: %d\n", options.qos);
printHelp();
return 255;
}
if (options.topic == NULL || ( options.topic != NULL && strlen(options.topic) == 0) )
{
// Set the default topic according to the specified action
if (strcmp(options.action, "publish") == 0)
options.topic = "MQTTV3ASample/C/v3";
else
options.topic = "MQTTV3ASample/#";
}
// Construct the full broker URL and clientId
sprintf(url, "tcp://%s:%s", options.broker, options.port);
sprintf(clientId, "SampleCV3A_%s", options.action);
MQTTAsync_create(&client, url, clientId, MQTTCLIENT_PERSISTENCE_NONE, NULL);
MQTTAsync_setTraceCallback(handleTrace);
MQTTAsync_setTraceLevel(MQTTASYNC_TRACE_ERROR);
MQTTAsync_setCallbacks(client, client, connectionLost, messageArrived, deliveryComplete);
conn_opts.cleansession = 0;
conn_opts.onSuccess = onConnect;
conn_opts.onFailure = onConnectFailure;
conn_opts.context = client;
conn_opts.keepAliveInterval = 0;
conn_opts.retryInterval = 0;
//conn_opts.maxInflight= 30;
if ((rc = MQTTAsync_connect(client, &conn_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start connect, return code %d\n", rc);
goto exit;
}
printf("Waiting for connect\n");
while (connected == 0 && finished == 0 && toStop == 0) {
printf("Waiting for connect: %d %d %d\n", connected, finished, toStop);
usleep(10000L);
}
MQTTAsync_responseOptions opts = MQTTAsync_responseOptions_initializer;
printf("Waiting for connect: %d %d %d\n", connected, finished, toStop);
printf("Successful connection\n");
if (connected == 1 && strcmp(options.action, "publish") == 0)
{
unsigned long i;
struct timeval tv;
gettimeofday(&tv,NULL);
printf("start seconds : %ld\n",tv.tv_sec);
for (i = 0; i < options.message_count; i++)
{
opts.onSuccess = onSend;
opts.onFailure = onSendFailure;
opts.context = client;
pubmsg.payload = options.message;
pubmsg.payloadlen = strlen(options.message);
pubmsg.qos = options.qos;
pubmsg.retained = 0;
deliveredtoken = 0;
usleep(100);
if ((rc = MQTTAsync_sendMessage(client, options.topic, &pubmsg, &opts))
!= MQTTASYNC_SUCCESS)
{
printf("Failed to start sendMessage, return code %d\n", rc);
exit(-1);
}
}
gettimeofday(&tv,NULL);
printf("end seconds : %ld\n",tv.tv_sec);
} else if (strcmp(options.action, "subscribe") == 0) {
opts.onSuccess = onSubscribe;
opts.onFailure = onSubscribeFailure;
opts.context = client;
if ((rc = MQTTAsync_subscribe(client, options.topic, options.qos, &opts)) != MQTTASYNC_SUCCESS) {
printf("Failed to subscribe, return code %d\n", rc);
exit(-1);
}
}
while (!finished)
{
#if defined(WIN32)
Sleep(100);
#else
usleep(1000L);
#endif
if (toStop == 1)
{
MQTTAsync_disconnectOptions opts = MQTTAsync_disconnectOptions_initializer;
opts.onSuccess = onDisconnect;
opts.context = client;
printf("Entering disconnection phase\n");
if ((rc = MQTTAsync_disconnect(client, &opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start disconnect, return code %d\n", rc);
exit(-1);
}
toStop = 0;
}
}
exit:
printf("calling destroy\n");
MQTTAsync_destroy(&client);
return rc;
}
int test3(struct Options options)
{
char* testname = "test3";
int subsqos = 2;
MQTTAsync c, d;
MQTTAsync_connectOptions opts = MQTTAsync_connectOptions_initializer;
MQTTAsync_willOptions wopts = MQTTAsync_willOptions_initializer;
MQTTAsync_createOptions createOptions = MQTTAsync_createOptions_initializer;
int rc = 0;
int count = 0;
char clientidc[50];
char clientidd[50];
int i = 0;
MQTTAsync_token *tokens;
sprintf(willTopic, "paho-test9-3-%s", unique);
sprintf(clientidc, "paho-test9-3-c-%s", unique);
sprintf(clientidd, "paho-test9-3-d-%s", unique);
sprintf(test_topic, "paho-test9-3-test topic %s", unique);
test3Finished = 0;
failures = 0;
MyLog(LOGA_INFO, "Starting Offline buffering 3 - messages while disconnected");
fprintf(xml, "<testcase classname=\"test3\" name=\"%s\"", testname);
global_start_time = start_clock();
createOptions.sendWhileDisconnected = 1;
rc = MQTTAsync_createWithOptions(&c, options.proxy_connection, clientidc, MQTTCLIENT_PERSISTENCE_DEFAULT,
NULL, &createOptions);
assert("good rc from create", rc == MQTTASYNC_SUCCESS, "rc was %d \n", rc);
if (rc != MQTTASYNC_SUCCESS)
{
MQTTAsync_destroy(&c);
goto exit;
}
rc = MQTTAsync_create(&d, options.connection, clientidd, MQTTCLIENT_PERSISTENCE_DEFAULT, NULL);
assert("good rc from create", rc == MQTTASYNC_SUCCESS, "rc was %d \n", rc);
if (rc != MQTTASYNC_SUCCESS)
{
MQTTAsync_destroy(&c);
goto exit;
}
opts.keepAliveInterval = 20;
opts.cleansession = 1;
//opts.username = "******";
//opts.password = "******";
rc = MQTTAsync_setCallbacks(d, d, NULL, test3_messageArrived, NULL);
assert("Good rc from setCallbacks", rc == MQTTASYNC_SUCCESS, "rc was %d", rc);
opts.will = NULL; /* don't need will for this client, as it's going to be connected all the time */
opts.context = d;
opts.onSuccess = test3dOnConnect;
opts.onFailure = test3dOnFailure;
MyLog(LOGA_DEBUG, "Connecting client d");
rc = MQTTAsync_connect(d, &opts);
assert("Good rc from connect", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
if (rc != MQTTASYNC_SUCCESS)
{
failures++;
goto exit;
}
/* wait until d is ready: connected and subscribed */
count = 0;
while (!test3dReady && ++count < 10000)
MySleep(100);
assert("Count should be less than 10000", count < 10000, "count was %d", count); /* wrong */
rc = MQTTAsync_setConnected(c, c, test3cConnected);
assert("Good rc from setConnectedCallback", rc == MQTTASYNC_SUCCESS, "rc was %d", rc);
/* let client c go: connect, and send disconnect command to proxy */
opts.will = &wopts;
opts.will->message = "will message";
opts.will->qos = 1;
opts.will->retained = 0;
opts.will->topicName = willTopic;
opts.onSuccess = test3cOnConnect;
opts.onFailure = test3cOnFailure;
opts.context = c;
opts.cleansession = 0;
opts.automaticReconnect = 1;
MyLog(LOGA_DEBUG, "Connecting client c");
rc = MQTTAsync_connect(c, &opts);
assert("Good rc from connect", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
if (rc != MQTTASYNC_SUCCESS)
{
failures++;
goto exit;
}
/* wait for will message */
while (!test3_will_message_received && ++count < 10000)
MySleep(100);
MyLog(LOGA_DEBUG, "Now we can send some messages to be buffered");
test3c_connected = 0;
/* send some messages. Then reconnect (check connected callback), and check that those messages are received */
for (i = 0; i < 3; ++i)
{
char buf[50];
MQTTAsync_message pubmsg = MQTTAsync_message_initializer;
MQTTAsync_responseOptions opts = MQTTAsync_responseOptions_initializer;
sprintf(buf, "QoS %d message", i);
pubmsg.payload = buf;
pubmsg.payloadlen = strlen(pubmsg.payload) + 1;
pubmsg.qos = i;
pubmsg.retained = 0;
rc = MQTTAsync_sendMessage(c, test_topic, &pubmsg, &opts);
assert("Good rc from sendMessage", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
}
rc = MQTTAsync_getPendingTokens(c, &tokens);
assert("Good rc from getPendingTokens", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
i = 0;
if (tokens)
{
while (tokens[i] != -1)
++i;
MQTTAsync_free(tokens);
}
assert("Number of getPendingTokens should be 3", i == 3, "i was %d ", i);
/* wait for client to be reconnected */
while (!test3c_connected == 0 && ++count < 10000)
MySleep(100);
/* wait for success or failure callback */
while (test3_messages_received < 3 && ++count < 10000)
MySleep(100);
rc = MQTTAsync_getPendingTokens(c, &tokens);
assert("Good rc from getPendingTokens", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
i = 0;
if (tokens)
{
while (tokens[i] != -1)
++i;
MQTTAsync_free(tokens);
}
assert("Number of getPendingTokens should be 0", i == 0, "i was %d ", i);
rc = MQTTAsync_disconnect(c, NULL);
assert("Good rc from disconnect", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
rc = MQTTAsync_disconnect(d, NULL);
assert("Good rc from disconnect", rc == MQTTASYNC_SUCCESS, "rc was %d ", rc);
exit:
MQTTAsync_destroy(&c);
MQTTAsync_destroy(&d);
MyLog(LOGA_INFO, "%s: test %s. %d tests run, %d failures.",
(failures == 0) ? "passed" : "failed", testname, tests, failures);
write_test_result();
return failures;
}
int main(int argc, char** argv)
{
MQTTAsync client;
MQTTAsync_disconnectOptions disc_opts = MQTTAsync_disconnectOptions_initializer;
int rc = 0;
char url[100];
if (argc < 2)
usage();
topic = argv[1];
if (strchr(topic, '#') || strchr(topic, '+'))
opts.showtopics = 1;
if (opts.showtopics)
printf("topic is %s\n", topic);
getopts(argc, argv);
sprintf(url, "%s:%s", opts.host, opts.port);
rc = MQTTAsync_create(&client, url, opts.clientid, MQTTCLIENT_PERSISTENCE_NONE, NULL);
MQTTAsync_setCallbacks(client, client, connectionLost, messageArrived, NULL);
signal(SIGINT, cfinish);
signal(SIGTERM, cfinish);
conn_opts.keepAliveInterval = opts.keepalive;
conn_opts.cleansession = 1;
conn_opts.username = opts.username;
conn_opts.password = opts.password;
conn_opts.onSuccess = onConnect;
conn_opts.onFailure = onConnectFailure;
conn_opts.context = client;
if ((rc = MQTTAsync_connect(client, &conn_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start connect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
while (!subscribed)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
if (finished)
goto exit;
while (!finished)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
disc_opts.onSuccess = onDisconnect;
if ((rc = MQTTAsync_disconnect(client, &disc_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start disconnect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
while (!disconnected)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
exit:
MQTTAsync_destroy(&client);
return EXIT_SUCCESS;
}
int main(int argc, char** argv)
{
MQTTAsync_disconnectOptions disc_opts = MQTTAsync_disconnectOptions_initializer;
MQTTAsync_responseOptions pub_opts = MQTTAsync_responseOptions_initializer;
MQTTAsync_createOptions create_opts = MQTTAsync_createOptions_initializer;
MQTTAsync client;
char* topic = NULL;
char* buffer = NULL;
int rc = 0;
char url[100];
if (argc < 2)
usage();
getopts(argc, argv);
sprintf(url, "%s:%s", opts.host, opts.port);
if (opts.verbose)
printf("URL is %s\n", url);
topic = argv[1];
printf("Using topic %s\n", topic);
create_opts.sendWhileDisconnected = 1;
rc = MQTTAsync_createWithOptions(&client, url, opts.clientid, MQTTCLIENT_PERSISTENCE_NONE, NULL, &create_opts);
signal(SIGINT, cfinish);
signal(SIGTERM, cfinish);
rc = MQTTAsync_setCallbacks(client, client, connectionLost, messageArrived, NULL);
myconnect(&client);
buffer = malloc(opts.maxdatalen);
while (!toStop)
{
int data_len = 0;
int delim_len = 0;
delim_len = (int)strlen(opts.delimiter);
do
{
buffer[data_len++] = getchar();
if (data_len > delim_len)
{
/* printf("comparing %s %s\n", opts.delimiter, &buffer[data_len - delim_len]); */
if (strncmp(opts.delimiter, &buffer[data_len - delim_len], delim_len) == 0)
break;
}
} while (data_len < opts.maxdatalen);
if (opts.verbose)
printf("Publishing data of length %d\n", data_len);
pub_opts.onSuccess = onPublish;
pub_opts.onFailure = onPublishFailure;
do
{
rc = MQTTAsync_send(client, topic, data_len, buffer, opts.qos, opts.retained, &pub_opts);
}
while (rc != MQTTASYNC_SUCCESS);
}
printf("Stopping\n");
free(buffer);
disc_opts.onSuccess = onDisconnect;
if ((rc = MQTTAsync_disconnect(client, &disc_opts)) != MQTTASYNC_SUCCESS)
{
printf("Failed to start disconnect, return code %d\n", rc);
exit(EXIT_FAILURE);
}
while (!disconnected)
#if defined(WIN32)
Sleep(100);
#else
usleep(10000L);
#endif
MQTTAsync_destroy(&client);
return EXIT_SUCCESS;
}
MQTTConnector::~MQTTConnector() {
if (mqttClient != NULL) {
MQTTAsync_disconnect(mqttClient, NULL);
MQTTAsync_destroy(&mqttClient);
}
}
