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iris-legacy/cutestuff/network/bsocket.h

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+/*
+ * bsocket.h - QSocket wrapper based on Bytestream with SRV DNS support
+ * Copyright (C) 2003  Justin Karneges
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef CS_BSOCKET_H
+#define CS_BSOCKET_H
+
+#include <QAbstractSocket>
+
+#include "bytestream.h"
+
+class QString;
+class QObject;
+class QByteArray;
+
+// CS_NAMESPACE_BEGIN
+
+class BSocket : public ByteStream
+{
+	Q_OBJECT
+public:
+	enum Error { ErrConnectionRefused = ErrCustom, ErrHostNotFound };
+	enum State { Idle, HostLookup, Connecting, Connected, Closing };
+	BSocket(QObject *parent=0);
+	~BSocket();
+
+	void connectToHost(const QString &host, quint16 port);
+	void connectToServer(const QString &srv, const QString &type);
+	int socket() const;
+	void setSocket(int);
+	int state() const;
+
+	// from ByteStream
+	bool isOpen() const;
+	void close();
+	void write(const QByteArray &);
+	QByteArray read(int bytes=0);
+	int bytesAvailable() const;
+	int bytesToWrite() const;
+
+	// local
+	QHostAddress address() const;
+	quint16 port() const;
+
+	// remote
+	QHostAddress peerAddress() const;
+	quint16 peerPort() const;
+
+signals:
+	void hostFound();
+	void connected();
+
+private slots:
+	void qs_hostFound();
+	void qs_connected();
+	void qs_closed();
+	void qs_readyRead();
+	void qs_bytesWritten(qint64);
+	void qs_error(QAbstractSocket::SocketError);
+	void srv_done();
+	void ndns_done();
+	void do_connect();
+
+private:
+	class Private;
+	Private *d;
+
+	void reset(bool clear=false);
+	void ensureSocket();
+};
+
+// CS_NAMESPACE_END
+
+#endif