/**
* Send a message over a GOSS channel
*/
void gridpack::goss::GOSSUtils::sendChannelMessage(const char *topic, const char *URI,
const char *username, const char *passwd, const char *msg)
{
#ifndef GOSS_DEBUG
Connection *connection;
Session *session;
Destination *destination;
MessageProducer *producer;
std::string brokerURI = URI;
std::auto_ptr<ActiveMQConnectionFactory>
connectionFactory(new ActiveMQConnectionFactory(brokerURI)) ;
// Create a Connection
std::string User = username;
std::string Pass = passwd;
connection = connectionFactory->createConnection(User, Pass);
connection->start();
// Create a Session
session = connection->createSession(Session::AUTO_ACKNOWLEDGE);
// Create the destination (Topic or Queue)
destination = session->createTopic(topic);
// Create a MessageProducer from the Session to the Topic
producer = session->createProducer(destination);
producer->setDeliveryMode(DeliveryMode::NON_PERSISTENT);
std::auto_ptr<TextMessage> message(session->createTextMessage(msg));
producer->send(message.get());
// Clean up
delete connection;
delete session;
delete destination;
delete producer;
#endif
}
void send(const std::string& text) {
try {
std::auto_ptr<TextMessage> message(session->createTextMessage(text));
mproducer->send(message.get());
} catch (CMSException& e) {
e.printStackTrace();
}
}
void ActiveMqProducer::sendMessage(const Destination* destination, const std::string& message, const std::string& correlation_id)
{
MessageProducer* producer = session->createProducer(destination);
producer->setDeliveryMode(DeliveryMode::NON_PERSISTENT);
TextMessage* text = session->createTextMessage(message);
text->setCMSCorrelationID(correlation_id);
producer->send(text);
}
void ServiceHandlerI::run()
{
Destination replyto;
try
{
replyto = textmessage->getJMSReplyTo();
if (!replyto)
{
serviceimplementor->doService(textmessage->getText());
}
else
{
if (logger->isLoggable(Level::FINEST)) logger->log(Level::FINEST, L"ServiceHandlerI::run() text: " + textmessage->getText());
String replytext = serviceimplementor->doService(textmessage->getText());
if (logger->isLoggable(Level::FINEST)) logger->log(Level::FINEST, L"ServiceHandlerI::run() replytext: " + replytext);
TextMessage reply = queuesession->createTextMessage(replytext);
Iterator<MapEntry<String, Anything> > i = serviceimplementor->getOutParameters()->entrySet()->iterator();
while (i->hasNext())
{
MapEntry<String, Anything> current = i->next();
reply->setStringProperty(current->key, current->value);
}
MessageProducer sender = queuesession->createProducer(replyto);
sender->send(reply);
}
}
catch (const Exception& e)
{
logger->log(Level::SEVERE, e->toString());
if (!!replyto)
{
try
{
MessageProducer sender = queuesession->createProducer(replyto);
sender->send(queuesession->createTextMessage(e->toString()));
}
catch (const Exception& e)
{
logger->log(Level::SEVERE, e->toString());
}
}
}
}
virtual void run() {
try {
// Create a ConnectionFactory
auto_ptr<ConnectionFactory> connectionFactory(
ConnectionFactory::createCMSConnectionFactory(brokerURI));
// Create a Connection
connection = connectionFactory->createConnection();
connection->start();
// Create a Session
if (this->sessionTransacted) {
session = connection->createSession(Session::SESSION_TRANSACTED);
} else {
session = connection->createSession(Session::AUTO_ACKNOWLEDGE);
}
// Create the destination (Topic or Queue)
if (useTopic) {
destination = session->createTopic("TEST.FOO");
} else {
destination = session->createQueue("TEST.FOO");
}
// Create a MessageProducer from the Session to the Topic or Queue
producer = session->createProducer(destination);
producer->setDeliveryMode(DeliveryMode::NON_PERSISTENT);
// Create the Thread Id String
string threadIdStr = Long::toString(Thread::currentThread()->getId());
// Create a messages
string text = (string) "Hello world! from thread " + threadIdStr;
for (int ix = 0; ix < numMessages; ++ix) {
std::auto_ptr<TextMessage> message(session->createTextMessage(text));
message->setIntProperty("Integer", ix);
printf("Sent message #%d from thread %s\n", ix + 1, threadIdStr.c_str());
producer->send(message.get());
}
} catch (CMSException& e) {
e.printStackTrace();
}
}
virtual void run()
{
try {
// Create a ConnectionFactory
auto_ptr<ConnectionFactory> connectionFactory(
ConnectionFactory::createCMSConnectionFactory( (const char*)brokerURI ) );
// Create a Connection
connection = connectionFactory->createConnection();
connection->start();
// Create a Session
if( this->sessionTransacted ) {
session = connection->createSession( Session::SESSION_TRANSACTED );
} else {
session = connection->createSession( Session::AUTO_ACKNOWLEDGE );
}
destination = session->createQueue((const char*)queue);
//destination = session->createQueue("/asev/queue");
// Create a MessageProducer from the Session to the Topic or Queue
producer = session->createProducer( destination );
producer->setDeliveryMode( DeliveryMode::PERSISTENT );
//cout<<"message:"<<message<<"\n";
TextMessage* sendmessage = session->createTextMessage( (char*)message );
//cout<<"producer:"<<sendmessage->getText()<<"\n";
// Tell the producer to send the message
//printf( "Sent message #%d from thread %s\n", ix+1, threadIdStr.c_str() );
producer->send( sendmessage );
if(this->sessionTransacted)
session->commit();
delete sendmessage;
}catch ( CMSException& e ) {
e.printStackTrace();
}
}
/**
* Shut down GOSS communication
*/
void gridpack::goss::GOSSUtils::terminateGOSS()
{
if (GA_Nodeid()==0) {
char topic[128];
#ifndef GOSS_DEBUG
Connection *connection;
Session *session;
Destination *destination;
MessageProducer *producer;
std::auto_ptr<ActiveMQConnectionFactory>
connectionFactory(new ActiveMQConnectionFactory(p_URI)) ;
// Create a Connection
connection = connectionFactory->createConnection(p_username, p_passwd);
connection->start();
// Create a Session
session = connection->createSession(Session::AUTO_ACKNOWLEDGE);
// Create the destination (Topic or Queue)
sprintf(topic,"topic/goss/gridpack/close_goss");
destination = session->createTopic(topic);
// Create a MessageProducer from the Session to the Topic
producer = session->createProducer(destination);
producer->setDeliveryMode(DeliveryMode::NON_PERSISTENT);
// Send final message indicating that channel is being close
std::string buf = "Closing GOSS";
std::auto_ptr<TextMessage>
end_message(session->createTextMessage(buf));
producer->send(end_message.get());
if (connection) delete connection;
if (session) delete session;
if (destination) delete destination;
if (producer) delete producer;
#endif
}
}
// Called from the consumer since this class is a registered MessageListener.
virtual void
onMessage (const Message * message)
throw ()
{
static int
count = 0;
try
{
count++;
const TextMessage *
textMessage = dynamic_cast < const
TextMessage * >(message);
const BytesMessage *
bytesMessage = dynamic_cast < const
BytesMessage * >(message);
string text = "";
if (bytesMessage != NULL)
{
//std::cout << bytesMessage->getBodyBytes();
//bytesMessage->reset();
size_t i = bytesMessage->getBodyLength ();
printf ("%lu", i);
ofstream ofs ("message.yaml", ofstream::out);
for (int x = 1; x <= i; x++)
{
ofs << bytesMessage->readByte ();
}
ofs.flush ();
ofs.close ();
try
{
std::ifstream fin ("message.yaml");
//std::stringstream fin(std::string(bytesMessage->getBodyBytes()));
YAML::Parser parser (fin);
YAML::Node doc;
// We assume only the first doc, need to check with doc.size
parser.GetNextDocument (doc);
/*
Key: :agent
Key: :body
Key: :callerid
Key: :collectiv
Key: :filter
Key: :hash
Key: :msgtarget
Key: :msgtime
Key: :requestid
Key: :senderid
*/
for (YAML::Iterator it = doc.begin (); it != doc.end (); ++it)
{
std::string key, value;
it.first () >> key;
std::cout << "Key: " << key << std::endl;
}
std::string requestid;
std::string senderid;
std::string msgtarget;
doc[":msgtarget"] >> msgtarget;
doc[":requestid"] >> requestid;
doc[":senderid"] >> senderid;
std::cout << msgtarget << std::endl << requestid << std::
endl << senderid << std::endl;
// Body seems to be multiline string of yaml
// Parsing strings http://stackoverflow.com/questions/2813030/yaml-cpp-parsing-strings
std::string body;
doc[":body"] >> body;
std::stringstream bodystream (body);
YAML::Parser bodyparser (bodystream);
YAML::Node bodydoc;
std::string action;
bodyparser.GetNextDocument (bodydoc);
bodydoc >> action;
std::cout << action;
// Construct YAML body
YAML::Emitter reply_message_body_yaml;
reply_message_body_yaml << "pong";
// Put it in a string
std::string reply_message_body = reply_message_body_yaml.c_str();
std::cout << reply_message_body << std::endl;
// Append PSK to it
std::string psk = "unset";
std::string body_psk = reply_message_body;
body_psk.append(psk);
std::stringstream md5sumstream;
// MD5 - https://gist.github.com/2389719
// but needs a real string
// http://social.msdn.microsoft.com/Forums/en/Vsexpressvc/thread/e1774395-ba99-4fe6-98eb-2224a67984b9
unsigned char md5_result[MD5_DIGEST_LENGTH];
const unsigned char * constStr = reinterpret_cast<const unsigned char *> (body_psk.c_str());
MD5(constStr, body_psk.length() , md5_result);
for (i=0; i < MD5_DIGEST_LENGTH; i++)
{
printf("%02x", md5_result[i]);
char digit[2];
sprintf(digit,"%02x", md5_result[i]);
md5sumstream << digit;
}
printf("\n");
std::cout << "md5 stream:" << md5sumstream.str() << std::endl;
std::string hash = md5sumstream.str();
std::cout << "hash:" << hash << std::endl;
YAML::Emitter reply_message_yaml;
reply_message_yaml << YAML::BeginMap;
reply_message_yaml << YAML::Key << ":msgtime";
reply_message_yaml << YAML::Value << 1010101;
reply_message_yaml << YAML::Key << ":requestid";
reply_message_yaml << YAML::Value << requestid;
reply_message_yaml << YAML::Key << ":body";
reply_message_yaml << YAML::Value << reply_message_body;
reply_message_yaml << YAML::Key << ":senderid";
reply_message_yaml << YAML::Value << "mcpp";
reply_message_yaml << YAML::Key << ":senderagent";
reply_message_yaml << YAML::Value << "discovery";
reply_message_yaml << YAML::Key << ":msgtarget";
reply_message_yaml << YAML::Value << "/topic/mcollective.discovery.reply";
reply_message_yaml << YAML::Key << ":hash";
reply_message_yaml << YAML::Value << hash;
reply_message_yaml << YAML::EndMap;
// Put it in a string
std::string reply_message = reply_message_yaml.c_str();
std::cout << reply_message << std::endl;
// Get ready to send
try {
Connection* connection;
Session* session;
Destination* destination;
MessageProducer* producer;
// Create a ConnectionFactory
std::string brokerURI = "tcp://127.0.0.1:6163" "?wireFormat=stomp";
auto_ptr<ConnectionFactory> connectionFactory(
ConnectionFactory::createCMSConnectionFactory( brokerURI ) );
// Create a Connection
connection = connectionFactory->createConnection ("mcollective", "marionette");
connection->start();
// Create a Session
session = connection->createSession( Session::AUTO_ACKNOWLEDGE );
// Create the destination (Topic or Queue)
destination = session->createTopic( "mcollective.discovery.reply" );
// Create a MessageProducer from the Session to the Topic or Queue
producer = session->createProducer( destination );
producer->setDeliveryMode( DeliveryMode::NON_PERSISTENT );
// Create a messages
BytesMessage* reply = session->createBytesMessage();
reply->writeString(reply_message.c_str());
producer->send( reply );
printf("reply send \n");
delete reply;
}catch ( CMSException& e ) {
e.printStackTrace();
}
}
catch (YAML::ParserException & e)
{
std::cout << e.what () << "\n";
}
}
if (textMessage != NULL)
{
text = textMessage->getText ();
}
else
{
text = "NOT A TEXTMESSAGE!";
//std::cout << message->getCMSType();
std::vector < string > v = message->getPropertyNames ();
for (std::vector < string >::iterator it = v.begin ();
it != v.end (); ++it)
{
std::cout << *it << std::endl;
}
}
printf ("Message #%d Received: %s\n", count, text.c_str ());
}
/**
* Initialize goss bus specifying all topics that will be used in this
* application. This must be called on the world communicator.
* @param topics list of topics that will be sent by the application
* @param URI channel URI
* @param username server username
* @param passwd server password
*/
void gridpack::goss::GOSSUtils::initGOSS(std::vector<std::string> &topics,
const char *URI, const char* username, const char *passwd)
{
char sbuf[128];
int nvals = topics.size();
int i;
// Store channel parameters
p_URI = URI;
p_username = username;
p_passwd = passwd;
// Concatenate topics into a single string
if (topics.size() == 0) {
printf("No topics provided when initializing GOSSUtils\n");
}
std::string list = topics[0];
if (nvals > 0) {
list = topics[0];
for (i=1; i<nvals; i++) {
sprintf(sbuf," %s",topics[i].c_str());
list.append(sbuf);
}
}
// Send string using topic "topic/goss/gridpack"
if (GA_Nodeid()==0) {
char topic[128];
#ifndef GOSS_DEBUG
Connection *connection;
Session *session;
Destination *destination;
MessageProducer *producer;
std::auto_ptr<ActiveMQConnectionFactory>
connectionFactory(new ActiveMQConnectionFactory(p_URI)) ;
// Create a Connection
connection = connectionFactory->createConnection(p_username, p_passwd);
connection->start();
// Create a Session
session = connection->createSession(Session::AUTO_ACKNOWLEDGE);
#endif
// Create the destination (Topic or Queue)
sprintf(topic,"topic/goss/gridpack/topic_list");
//destination = session->createQueue(topic);
printf("topic = %s\n", topic);
#ifndef GOSS_DEBUG
destination = session->createTopic(topic);
// Create a MessageProducer from the Session to the Topic
producer = session->createProducer(destination);
producer->setDeliveryMode(DeliveryMode::NON_PERSISTENT);
// Send topics
std::auto_ptr<TextMessage> message_dat(
session->createTextMessage(list));
#endif
printf("list: %s\n", list.c_str());
#ifndef GOSS_DEBUG
producer->send(message_dat.get());
#endif
// Close data connection
// Send final message indicating that channel is being close
std::string buf = "Closing channel";
#ifndef GOSS_DEBUG
std::auto_ptr<TextMessage>
end_message(session->createTextMessage(buf));
producer->send(end_message.get());
std::string acknowledge_topic("topic.goss.gridpack.acknowledge");
std::auto_ptr<Destination> dest(session->createTopic(acknowledge_topic));
std::auto_ptr<MessageConsumer> consumer(session->createConsumer(dest.get()));
std::cout << "Waiting for messages..."<<std::endl;
std::auto_ptr<Message> message(consumer->receive());
const TextMessage *txtMsg = dynamic_cast<const TextMessage*>(message.get());
if (txtMsg->getText() != "success") {
std::cout << "Message failure: "<<txtMsg->getText()<<std::endl;
}
if (connection) delete connection;
if (session) delete session;
if (destination) delete destination;
if (producer) delete producer;
#endif
}
gridpack::parallel::Communicator world;
world.barrier();
}