///////////////////////////////////////////////////////////////////////////////
/// CConnectionManager::PutHostname
/// @description Registers a hostname with the uuid to hostname map.
/// @pre: None
/// @post: The hostname is registered with the uuid to hostname map.
/// @param u_: the uuid to enter into the map.
/// @param host_: The hostname to enter into the map.
///////////////////////////////////////////////////////////////////////////////
void CConnectionManager::PutHostname(std::string u_, std::string host_)
{
Logger::Notice << __PRETTY_FUNCTION__ << std::endl;
{
boost::lock_guard< boost::mutex > scopedLock_( m_Mutex );
m_hostnames.insert(std::pair<std::string, std::string>(u_, host_));
}
}
///////////////////////////////////////////////////////////////////////////////
/// CConnectionManager::PutConnection
/// @description Inserts a connection into the connection map.
/// @param uuid: The uuid of the node the connection is to.
/// @param c: The connection pointer that goes to the node in question.
/// @pre: The connection is initialized.
/// @post: The connection has been inserted into the connection map.
///////////////////////////////////////////////////////////////////////////////
void CConnectionManager::PutConnection(std::string uuid, ConnectionPtr c)
{
Logger::Debug << __PRETTY_FUNCTION__ << std::endl;
{
boost::lock_guard< boost::mutex > scopedLock_( m_Mutex );
m_connections.insert(std::pair<std::string,ConnectionPtr>(uuid,c));
m_connections_r.insert(std::pair<ConnectionPtr,std::string>(c,uuid));
}
}
///////////////////////////////////////////////////////////////////////////////
/// @fn CDispatcher::RegisterWriteHandler
/// @description Registers a module that provides a write handler with the
/// dispatcher.
/// @pre A module that inhertis from IWriteHandler is provided
/// @post The module will be registered to touch outgoing messages that contain
/// the p_type key.
/// @param module The module the read handler is on behalf of.
/// @param p_type A ptree key that will be used to identify which messages
/// should be touched.
/// @param p_handler The module that will be invoked to perform the touch
///////////////////////////////////////////////////////////////////////////////
void CDispatcher::RegisterWriteHandler(const std::string & /*module*/, const std::string &p_type,
IWriteHandler *p_handler )
{
Logger.Trace << __PRETTY_FUNCTION__ << std::endl;
{
// Scoped lock, will release mutex at end of {}
boost::lock_guard< boost::mutex > scopedLock_( m_wMutex );
m_writeHandlers.insert(
std::pair< const std::string, IWriteHandler *>
(p_type, p_handler)
);
}
}
///////////////////////////////////////////////////////////////////////////////
/// @fn CDispatcher::RegisterReadHandler
/// @description Registers a module that provides a read handler with the
/// dispatcher.
/// @pre A module that inherits from IReadHandler is provided.
/// @post A module is registered with a read handler.
/// @param module The module name that the handler is on behalf of.
/// @param p_type the tree key used to identify which messages the module
/// would like to receive.
/// @param p_handler The module which will be called to receive the message.
///////////////////////////////////////////////////////////////////////////////
void CDispatcher::RegisterReadHandler(const std::string &module, const std::string &p_type,
IReadHandler *p_handler)
{
Logger.Trace << __PRETTY_FUNCTION__ << std::endl;
{
// Scoped lock, will release mutex at end of {}
boost::lock_guard< boost::mutex > scopedLock_( m_rMutex );
m_readHandlers.insert(
std::pair< const std::string, IReadHandler *>
(p_type, p_handler));
m_handlerToModule.insert(std::pair<IReadHandler *,
const std::string>(p_handler,module));
}
}
///////////////////////////////////////////////////////////////////////////////
/// @fn CDispatcher::HandleWrite
/// @description Handles calling modules write handlers which allows them to
/// touch messages before they are sent.
/// @pre Write handlers have been registered with the dispatcher
/// @post The outgoing message is touched before being delivered.
/// @param p_mesg The message to affect before sending them out.
///////////////////////////////////////////////////////////////////////////////
void CDispatcher::HandleWrite( ptree &p_mesg )
{
Logger.Trace << __PRETTY_FUNCTION__ << std::endl;
ptree sub_;
ptree::const_iterator it_;
std::map< std::string, IWriteHandler *>::const_iterator mapIt_;
std::string key_;
try
{
// Scoped lock, will release mutex at end of try {}
boost::lock_guard< boost::mutex > scopedLock_( m_wMutex );
// This allows for a handler to process all messages using
// the special keyword "any". This happens before the other
// sections in case a specific handler depends upon a
// general handler
for( mapIt_ = m_writeHandlers.lower_bound( "any" );
mapIt_ != m_writeHandlers.upper_bound( "any" );
++mapIt_ )
{
Logger.Debug << "Processing 'any'" << std::endl;
(mapIt_->second)->HandleWrite( p_mesg );
}
// Loop through all submessages of this message to call its
// handler
ptree sub_ = p_mesg.get_child("message.submessages");
for( it_ = sub_.begin(); it_ != sub_.end(); ++it_ )
{
Logger.Debug << "Processing " << it_->first
<< std::endl;
// Retrieve current key and iterate through all matching
// handlers of that key. If the key doesn't exist in the
// map, lower_bound(key) == upper_bound(key).
key_ = it_->first;
for( mapIt_ = m_writeHandlers.lower_bound( key_ );
mapIt_ != m_writeHandlers.upper_bound(key_);
++mapIt_ )
{
(mapIt_->second)->HandleWrite( p_mesg );
}
// XXX Should anything be done if the message didn't
// have a handler?
if( m_writeHandlers.lower_bound( key_ ) ==
m_writeHandlers.upper_bound( key_) )
{
// Just log this for now
Logger.Debug << "Submessage '" << key_ << "' had no write handlers.";
}
}
}
catch( boost::property_tree::ptree_bad_path &e )
{
Logger.Error
<< __PRETTY_FUNCTION__ << " (" << __LINE__ << "): "
<< "Malformed message. Does not contain 'submessages'."
<< std::endl << "\t" << e.what() << std::endl;
}
}
