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dcop

dcopserver.h
00001 /*
00002 Copyright (c) 1999 Preston Brown <pbrown@kde.org>
00003 Copyright (c) 1999 Matthias Ettrich <ettrich@kde.org>
00004 
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011 
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014 
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
00018 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
00019 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
00020 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00021 */
00022 #ifndef DCOPSERVER_H
00023 #define DCOPSERVER_H "$Id$"
00024 
00025 #include <tqobject.h>
00026 
00027 #include <tqstring.h>
00028 #include <tqsocketnotifier.h>
00029 #include <tqptrlist.h>
00030 #include <tqvaluelist.h>
00031 #include <tqcstring.h>
00032 #include <tqdict.h>
00033 #include <tqptrdict.h>
00034 #include <tqintdict.h>
00035 #include <tqapplication.h>
00036 
00037 #define INT32 QINT32
00038 #ifdef Q_WS_X11
00039 #include <X11/Xlib.h>
00040 #include <X11/Xmd.h>
00041 #endif
00042 #include <KDE-ICE/ICElib.h>
00043 extern "C" {
00044 #include <KDE-ICE/ICEutil.h>
00045 #include <KDE-ICE/ICEmsg.h>
00046 #include <KDE-ICE/ICEproto.h>
00047 }
00048 
00049 class DCOPConnection;
00050 class DCOPListener;
00051 class DCOPSignalConnectionList;
00052 class DCOPSignals;
00053 class TQTimer;
00054 
00055 // If you enable the following define DCOP will create
00056 // $HOME/.dcop.log file which will list all signals passing
00057 // through it.
00058 // #define DCOP_LOG
00059 #ifdef DCOP_LOG
00060 class TQTextStream;
00061 class TQFile;
00062 #endif
00063 
00064 #define NDEBUG
00065 
00066 typedef TQValueList<TQCString> QCStringList;
00067 
00071 class DCOPConnection : public TQSocketNotifier
00072 {
00073 public:
00074     DCOPConnection( IceConn conn );
00075     ~DCOPConnection();
00076 
00077     DCOPSignalConnectionList *signalConnectionList();
00078 
00079     // Add the data from offset @p start in @p _data to the output
00080     // buffer and schedule it for later transmission.
00081     void waitForOutputReady(const TQByteArray &_data, int start);
00082 
00083     // Called from DCOPServer::slotOutputReady()
00084     // Flush the output buffer.
00085     void slotOutputReady();
00086 
00087     TQCString appId;
00088     TQCString plainAppId;
00089     IceConn iceConn;
00090     int notifyRegister;
00102     TQPtrList <_IceConn> waitingOnReply;
00103     TQPtrList <_IceConn> waitingForReply;
00104     TQPtrList <_IceConn> waitingForDelayedReply;
00105     DCOPSignalConnectionList *_signalConnectionList;
00106     bool daemon;
00107     bool outputBlocked;
00108     TQValueList <TQByteArray> outputBuffer;
00109     unsigned long outputBufferStart;
00110     TQSocketNotifier *outputBufferNotifier;
00111 };
00112 
00113 
00117 class DCOPServer : public TQObject
00118 {
00119     Q_OBJECT
00120 public:
00121     DCOPServer(bool _suicide);
00122     ~DCOPServer();
00123 
00124     void* watchConnection( IceConn iceConn );
00125     void removeConnection( void* data );
00126     void processMessage( IceConn iceConn, int opcode, unsigned long length, Bool swap);
00127     void ioError( IceConn iceConn );
00128 
00129     bool receive(const TQCString &app, const TQCString &obj,
00130                  const TQCString &fun, const TQByteArray& data,
00131                  TQCString& replyType, TQByteArray &replyData, IceConn iceConn);
00132 
00133     DCOPConnection *findApp(const TQCString &appId);
00134     DCOPConnection *findConn(IceConn iceConn)
00135        { return clients.find(iceConn); }
00136 
00137     void sendMessage(DCOPConnection *conn, const TQCString &sApp,
00138                      const TQCString &rApp, const TQCString &rObj,
00139                      const TQCString &rFun, const TQByteArray &data);
00140 
00141 private slots:
00142     void newClient( int socket );
00143     void processData( int socket );
00144     void slotTerminate();
00145     void slotSuicide();
00146     void slotShutdown();
00147     void slotExit();
00148     void slotCleanDeadConnections();
00149     void slotOutputReady(int socket );
00150 
00151 #ifdef Q_OS_WIN
00152 public:
00153     static BOOL WINAPI dcopServerConsoleProc(DWORD dwCtrlType);
00154 private:
00155     static DWORD WINAPI TerminatorThread(void * pParam);
00156 #endif
00157 private:
00158     void broadcastApplicationRegistration( DCOPConnection* conn, const TQCString type,
00159         const TQCString& data );
00160     bool suicide;
00161     bool shutdown;
00162     int majorOpcode;
00163     int currentClientNumber;
00164     CARD32 serverKey;
00165     DCOPSignals *dcopSignals;
00166     TQTimer *m_timer;
00167     TQTimer *m_deadConnectionTimer;
00168     TQPtrList<DCOPListener> listener;
00169     TQAsciiDict<DCOPConnection> appIds; // index on app id
00170     TQPtrDict<DCOPConnection> clients; // index on iceConn
00171     TQIntDict<DCOPConnection> fd_clients; // index on fd
00172     TQPtrList<_IceConn> deadConnections;
00173 
00174 #ifdef Q_OS_WIN
00175     HANDLE m_evTerminate;
00176     HANDLE m_hTerminateThread;
00177     DWORD m_dwTerminateThreadId;
00178 #endif
00179 
00180 #ifdef DCOP_LOG
00181     TQTextStream *m_stream;
00182     TQFile *m_logger;
00183 #endif
00184 };
00185 
00186 extern DCOPServer* the_server;
00187 
00188 #endif

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