void IRCDProto::SendMessage(const BotInfo *bi, const Anope::string &dest, const char *fmt, ...)
{
va_list args;
char buf[BUFSIZE] = "";
va_start(args, fmt);
vsnprintf(buf, BUFSIZE - 1, fmt, args);
va_end(args);
SendMessageInternal(bi, dest, buf);
}
// LookForWorkers
//------------------------------------------------------------------------------
void Client::LookForWorkers()
{
PROFILE_FUNCTION
MutexHolder mh( m_ServerListMutex );
const size_t numWorkers( m_ServerList.GetSize() );
// find out how many connections we have now
size_t numConnections = 0;
for ( size_t i=0; i<numWorkers; i++ )
{
if ( m_ServerList[ i ].m_Connection )
{
numConnections++;
}
}
// limit maximum concurrent connections
if ( numConnections >= m_WorkerConnectionLimit )
{
return;
}
// if we're connected to every possible worker already
if ( numConnections == numWorkers )
{
return;
}
// randomize the start index to better distribute workers when there
// are many workers/clients - otherwise all clients will attempt to connect
// to the same subset of workers
Random r;
size_t startIndex = r.GetRandIndex( (uint32_t)numWorkers );
// find someone to connect to
for ( size_t j=0; j<numWorkers; j++ )
{
const size_t i( ( j + startIndex ) % numWorkers );
ServerState & ss = m_ServerList[ i ];
if ( ss.m_Connection )
{
continue;
}
// ignore blacklisted workers
if ( ss.m_Blacklisted )
{
continue;
}
// lock the server state
MutexHolder mhSS( ss.m_Mutex );
ASSERT( ss.m_Jobs.IsEmpty() );
if ( ss.m_DelayTimer.GetElapsed() < CONNECTION_REATTEMPT_DELAY_TIME )
{
continue;
}
const ConnectionInfo * ci = Connect( m_WorkerList[ i ], m_Port, 2000 ); // 2000ms connection timeout
if ( ci == nullptr )
{
ss.m_DelayTimer.Start(); // reset connection attempt delay
}
else
{
DIST_INFO( "Connected: %s\n", m_WorkerList[ i ].Get() );
const uint32_t numJobsAvailable( JobQueue::IsValid() ? (uint32_t)JobQueue::Get().GetNumDistributableJobsAvailable() : 0 );
ci->SetUserData( &ss );
ss.m_RemoteName = m_WorkerList[ i ];
ss.m_Connection = ci; // success!
ss.m_NumJobsAvailable = numJobsAvailable;
ss.m_StatusTimer.Start();
// send connection msg
Protocol::MsgConnection msg( numJobsAvailable );
SendMessageInternal( ci, msg );
}
// limit to one connection attempt per iteration
return;
}
}
