kio Library API Documentation

connection.h

00001 // -*- c++ -*-
00002 /* This file is part of the KDE libraries
00003     Copyright (C) 2000 Stephan Kulow <coolo@kde.org>
00004                        David Faure <faure@kde.org>
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License as published by the Free Software Foundation; either
00009     version 2 of the License, or (at your option) any later version.
00010 
00011     This library is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     Library General Public License for more details.
00015 
00016     You should have received a copy of the GNU Library General Public License
00017     along with this library; see the file COPYING.LIB.  If not, write to
00018     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00019     Boston, MA 02111-1307, USA.
00020 */
00021 
00022 #ifndef __connection_h__
00023 #define __connection_h__ "$Id: connection.h,v 1.28 2002/06/19 17:46:00 domi Exp $"
00024 
00025 #include <sys/types.h>
00026 
00027 #include <stdio.h>
00028 #include <qptrlist.h>
00029 
00030 class KSocket;
00031 class QSocketNotifier;
00032 
00033 namespace KIO {
00034 
00035     struct Task {
00036     int cmd;
00037     QByteArray data;
00038     };
00039 
00046     class Connection : public QObject
00047     {
00048     Q_OBJECT
00049     public:
00050     Connection();
00051     virtual ~Connection();
00052     
00053     void init(KSocket *sock);
00054     void init(int fd_in, int fd_out); // Used by KDENOX
00055     void connect(QObject *receiver = 0, const char *member = 0);
00056     void close();
00057     
00058     int fd_from() const { return fd_in; }
00059         int fd_to() const { return fileno( f_out ); }
00060 
00061     bool inited() const { return (fd_in != -1) && (f_out != 0); }
00062     
00063     // send (queues the command to be sent)
00064     void send(int cmd, const QByteArray &arr = QByteArray());
00065 
00066     // send (without queue)
00067     bool sendnow( int _cmd, const QByteArray &data );
00068 
00075     int read( int* _cmd, QByteArray & );
00076 
00080         void suspend();
00081 
00085         void resume();
00086 
00090         bool suspended() const { return m_suspended; }
00091 
00092     protected slots:
00093         void dequeue();
00094     
00095     protected:
00096     
00097     
00098     private:
00099     int fd_in;
00100     FILE *f_out;
00101     KSocket *socket;
00102     QSocketNotifier *notifier;
00103     QObject *receiver;
00104     const char *member;
00105     QPtrList<Task> tasks;
00106         bool m_suspended;
00107     private:
00108     class ConnectionPrivate* d;
00109     };
00110 
00111 };
00112 
00113 #endif
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This file is part of the documentation for kdelibs Version 3.1.0.
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