Diffstat (limited to 'x11/ipc/server/ocopserver.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | x11/ipc/server/ocopserver.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/x11/ipc/server/ocopserver.cpp b/x11/ipc/server/ocopserver.cpp index 992cb8c..3ee38e9 100644 --- a/x11/ipc/server/ocopserver.cpp +++ b/x11/ipc/server/ocopserver.cpp @@ -1,413 +1,413 @@ #include <errno.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/socket.h> #include <sys/un.h> #include <qcstring.h> #include <qtimer.h> #include "ocopserver.h" OCopServer::OCopServer() : QObject() { setName( "ocopserver"); /* * init the server */ init(); initSocket(); } OCopServer::~OCopServer() { // socket notifiers should be deleted close(m_serverfd ); } void OCopServer::init() { /* * we set SIGPIPE to SIG_IGN * to get EPIPE on reads ;) */ // qWarning("SIGPIPE to be ignored"); signal(SIGPIPE, SIG_IGN ); /* * initialize some variables */ m_server = 0l; m_serverError = 0l; } /** * here we will init our server * socket and bind and do the listen */ void OCopServer::initSocket() { /* get the home dir */ QCString home( getenv("HOME") ); QCString path( home + "/.opie.cop"); if ( ( m_serverfd = socket( PF_UNIX, SOCK_STREAM, 0 ) ) == -1 ) { qWarning("failed to create server socket"); /* try again later */ QTimer::singleShot( 400, this, SLOT(initSocket() ) ); return; } qWarning( "unlinking file %s", path.data() ); /* unlink previous sockets */ unlink( path.data() ); struct sockaddr_un m_address; memset(&m_address, 0, sizeof(m_address ) ); m_address.sun_family = AF_UNIX; /* unix domain socket */ strcpy(m_address.sun_path, path.data() ); m_adrlaenge = sizeof(m_address.sun_family) + strlen(m_address.sun_path ); /* cast to make it a (sockadr*) */ if (bind(m_serverfd, (struct sockaddr*)&m_address, m_adrlaenge ) == -1 ) { qWarning("Server could not bind try again"); close(m_serverfd); QTimer::singleShot(400, this, SLOT(initSocket() ) ); return; } /* tell the kernel that we're listening and accepting * 5 pending connections */ if (listen(m_serverfd, 5) == -1 ) { qWarning("could not listen"); close(m_serverfd ); QTimer::singleShot(400, this, SLOT(initSocket() ) ); return; } /* * now we will create two QSocketNotifier * which will us notify on reads * and errors * we do this because they integrate * nicely into the QApplication eventloop */ m_server = new QSocketNotifier(m_serverfd, QSocketNotifier::Read, this ); connect( m_server, SIGNAL(activated(int) ), this, SLOT(newOnServer() ) ); m_serverError = new QSocketNotifier( m_serverfd, QSocketNotifier::Exception, this); connect(m_serverError, SIGNAL(activated(int) ), this, SLOT(errorOnServer() ) ); qWarning("done with registering"); } /** * we got the possibility to read * on the server * this is mostly due a connect * on a client side * we will accept it * add it to our list */ void OCopServer::newOnServer() { int fd = accept(); if ( fd < 0 ) return; /* - * we got a successfull new connection + * we got a successful new connection * be happy * set SocketNotifier * connect it * and a OCOPClient */ // qWarning("Heureka new connection %d", fd ); registerClient( fd ); } int OCopServer::accept() { /* * accept it * the socket is currently blocking IIRC */ return ::accept( m_serverfd, (struct sockaddr*)&m_address, &m_adrlaenge ); } void OCopServer::newOnClient( int fd ) { errno = 0; OCOPHead head; memset(&head, 0, sizeof(head) ); int rea = ::read(fd, &head, sizeof(head) ); //qWarning("read %d %d", rea, errno); /* * I should get EPIPE but nothing like this happens * so if rea == 0 and we were signaled by the notifier * we close it and drop the clients... */ if ( rea <= 0 ) { deregisterClient( fd ); return; } /* * OCOPHead */ //qWarning("data %s %d", &bug, rea ); /* * Check the magic * if chcked read till EOF if magic does not match * otherwise do read * channel * func * data into mem * and then send the OCOPPacket * */ if (head.magic == 47 ) { // qWarning("magic match"); QCString channel( head.chlen+1 ); QCString func( head.funclen+1 ); QByteArray data ( head.datalen+1 ); /* * we do not check for errors */ // qWarning("read "); int s = read(fd, channel.data(), head.chlen ); s = read(fd, func.data(), head.funclen ); s = read(fd, data.data(), head.datalen ); // qWarning("read"); /* debug output */ // qWarning("channel %s %d", channel.data(), head.chlen ); // qWarning("func %s %d", func.data(), head.funclen ); /* debug end */ /* * now that we got the complete body * we need to make a package * and then we need to send it to clients * making a package is done here * dispatching it not */ OCOPPacket packet( head.type, channel, func, data ); dispatch( packet, fd ); }else{ // qWarning("magic does not match"); // qWarning("magic %d", head.magic ); } } void OCopServer::registerClient( int fd ) { if (m_clients.contains(fd) ) return; QSocketNotifier* notify = new QSocketNotifier(fd, QSocketNotifier::Read, this ); connect(notify, SIGNAL(activated(int) ), this, SLOT(newOnClient(int) ) ); OCOPClient client; client.fd = fd; client.notify = notify; m_clients.insert( client.fd, client ); // qWarning("clients are up to %d", m_clients.count() ); }; void OCopServer::deregisterClient(int fd ) { QMap<int, OCOPClient>::Iterator it = m_clients.find( fd ); if (it != m_clients.end() ) { /* * TIME_ME * * now delete from all channels * go through all channels * remove the fd from the list * if count becomes 0 remove the channel * otherwise replace QArray<int> */ QMap<QCString, QValueList<int> >::Iterator it2; repeatIt: for ( it2 = m_channels.begin(); it2 != m_channels.end(); ++it2 ) { /* * The channel contains this fd */ // qWarning("Channel %s %d", it2.key().data(), it2.data().count() ); if ( it2.data().contains( fd ) ) { qWarning("contains"); QValueList<int> array = it2.data(); /* * remove channel or just replace */ if ( array.count() == 1 || array.count() == 0) { // qWarning("Invalidate!"); /* is the list now invalidatet? */ m_channels.remove( it2 ); /* That is the first go to of my life * but Iterator remove( Iterator ) * does not exist * it2 = --it2; * does not work reliable too * so the only way is to reiterate :( */ goto repeatIt; }else{ // qWarning("removing count %d %d",fd, array.count() ); QValueList<int>::Iterator it3 = array.find( fd ); it3 = array.remove( it3 ); QCString key = it2.key().copy(); it2 = m_channels.replace( key, array ); } } } // off all channels OCOPClient client = it.data(); delete client.notify; m_clients.remove(fd ); close(fd ); } // qWarning("clients are now at %d", m_clients.count() ); } /** * this function will evaluate * the package and then do the appropriate thins */ void OCopServer::dispatch( const OCOPPacket& packet, int sourceFD ) { // qWarning("packet.type() == %d", packet.type() ); switch( packet.type() ) { case OCOPPacket::Register: registerClient(sourceFD ); break; case OCOPPacket::Unregister: deregisterClient(sourceFD ); break; case OCOPPacket::Call: call( packet, sourceFD ); break; /* not implemented */ case OCOPPacket::Method: break; /* nit implemented */ case OCOPPacket::Reply: break; case OCOPPacket::RegisterChannel: addChannel( packet.channel() , sourceFD ); break; case OCOPPacket::UnregisterChannel: delChannel( packet.channel(), sourceFD ); break; /* not implemented */ case OCOPPacket::Return: break; /* not implemented :( */ case OCOPPacket::Signal: break; case OCOPPacket::IsRegistered: // qWarning("Server:IsRegistered %s", packet.channel().data() ); isRegistered( packet.channel(), sourceFD ); break; }; } void OCopServer::errorOnServer() { /* * something is wrong on the server socket? * what should we do? * FIXME */ } QStringList OCopServer::channels() { QStringList list; { QMap<QCString, QValueList<int> >::Iterator it; for (it = m_channels.begin(); it != m_channels.end(); ++it ) { list << it.key(); }; } return list; } bool OCopServer::isChannelRegistered( const QCString& chan ) const{ return m_channels.contains( chan ); } void OCopServer::addChannel( const QCString& channel, int fd ) { QMap<QCString, QValueList<int> >::Iterator it; it = m_channels.find( channel ); if ( it != m_channels.end() ) { /* could be empty */ QValueList<int> list = it.data(); list.append( fd ); qWarning("Server:count is now in addChannel %d %s", list.count(), channel.data() ); it = m_channels.replace( channel, list ); }else { QValueList<int> ints; ints.append( fd ); m_channels.insert( channel, ints ); } }; void OCopServer::delChannel( const QCString& channel, int fd ) { // qWarning("remove %s, %d", channel.data(), fd ); if (!m_channels.contains( channel ) ) return; QMap<QCString, QValueList<int> >::Iterator it; it = m_channels.find( channel ); if ( it.data().contains(fd) ) { QValueList<int> ints = it.data(); if ( ints.count() == 1 ) m_channels.remove( channel ); else{ QValueList<int> ints = it.data(); QValueList<int>::Iterator rem = ints.find( fd ); rem = ints.remove( rem ); QCString str = it.key().copy(); m_channels.replace( str, ints ); } // qWarning(" channel count is now %d", ints.count() ); } } void OCopServer::isRegistered( const QCString& channel, int fd) { // qWarning("Server:isRegistered %s", channel.data() ); OCOPHead head; QCString func(2); memset(&head, 0, sizeof(head ) ); head.magic = 47; head.type = OCOPPacket::IsRegistered; head.chlen = channel.size(); head.funclen = func.size(); head.datalen = 0; if ( isChannelRegistered( channel ) ) { //is registered func[0] = 1; // qWarning("Server:Channel is Registered %d", head.chlen); }else{ func[0] = 0; // qWarning("Server:Channel is NotRegistered"); } /** * write the head * and then channel * success/failure inside func */ write(fd, &head, sizeof(head) ); write(fd, channel.data(), channel.size() ); write(fd, func.data(), func.size() ); } QValueList<int> OCopServer::clients( const QCString& channel ) { return m_channels[channel]; } void OCopServer::call( const OCOPPacket& p, int ) { QValueList<int> cli = clients( p.channel() ); QValueList<int>::Iterator it; OCOPHead head = p.head(); for (it = cli.begin(); it != cli.end(); ++it ) { // qWarning("Server:calling %d %s %s", (*it), p.channel().data(), p.header().data() ); write( (*it), &head, sizeof(head ) ); /* expl. shared! */ write( (*it), p.channel().data(), p.channel().size() ); write( (*it), p.header().data(), p.header().size() ); write( (*it), p.content().data(), p.content().size() ); }; } |