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258 lines
8.2 KiB
258 lines
8.2 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtNetwork module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QABSTRACTSOCKET_H
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#define QABSTRACTSOCKET_H
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#include <QtCore/qiodevice.h>
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#include <QtCore/qobject.h>
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#ifndef QT_NO_DEBUG_STREAM
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#include <QtCore/qdebug.h>
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#endif
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Network)
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class QHostAddress;
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#ifndef QT_NO_NETWORKPROXY
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class QNetworkProxy;
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#endif
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class QAbstractSocketPrivate;
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class QAuthenticator;
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class Q_NETWORK_EXPORT QAbstractSocket : public QIODevice
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{
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Q_OBJECT
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public:
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enum SocketType {
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TcpSocket,
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UdpSocket,
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UnknownSocketType = -1
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};
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enum NetworkLayerProtocol {
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IPv4Protocol,
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IPv6Protocol,
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UnknownNetworkLayerProtocol = -1
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};
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enum SocketError {
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ConnectionRefusedError,
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RemoteHostClosedError,
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HostNotFoundError,
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SocketAccessError,
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SocketResourceError,
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SocketTimeoutError, /* 5 */
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DatagramTooLargeError,
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NetworkError,
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AddressInUseError,
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SocketAddressNotAvailableError,
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UnsupportedSocketOperationError, /* 10 */
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UnfinishedSocketOperationError,
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ProxyAuthenticationRequiredError,
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SslHandshakeFailedError,
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ProxyConnectionRefusedError,
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ProxyConnectionClosedError, /* 15 */
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ProxyConnectionTimeoutError,
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ProxyNotFoundError,
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ProxyProtocolError,
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UnknownSocketError = -1
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};
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enum SocketState {
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UnconnectedState,
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HostLookupState,
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ConnectingState,
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ConnectedState,
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BoundState,
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ListeningState,
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ClosingState
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#ifdef QT3_SUPPORT
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,
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Idle = UnconnectedState,
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HostLookup = HostLookupState,
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Connecting = ConnectingState,
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Connected = ConnectedState,
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Closing = ClosingState,
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Connection = ConnectedState
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#endif
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};
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enum SocketOption {
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LowDelayOption, // TCP_NODELAY
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KeepAliveOption // SO_KEEPALIVE
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};
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QAbstractSocket(SocketType socketType, QObject *parent);
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virtual ~QAbstractSocket();
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// ### Qt 5: Make connectToHost() and disconnectFromHost() virtual.
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void connectToHost(const QString &hostName, quint16 port, OpenMode mode = ReadWrite);
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void connectToHost(const QHostAddress &address, quint16 port, OpenMode mode = ReadWrite);
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void disconnectFromHost();
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bool isValid() const;
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qint64 bytesAvailable() const;
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qint64 bytesToWrite() const;
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bool canReadLine() const;
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quint16 localPort() const;
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QHostAddress localAddress() const;
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quint16 peerPort() const;
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QHostAddress peerAddress() const;
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QString peerName() const;
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// ### Qt 5: Make setReadBufferSize() virtual
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qint64 readBufferSize() const;
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void setReadBufferSize(qint64 size);
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void abort();
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// ### Qt 5: Make socketDescriptor() and setSocketDescriptor() virtual.
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int socketDescriptor() const;
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bool setSocketDescriptor(int socketDescriptor, SocketState state = ConnectedState,
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OpenMode openMode = ReadWrite);
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// ### Qt 5: Make virtual?
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void setSocketOption(QAbstractSocket::SocketOption option, const QVariant &value);
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QVariant socketOption(QAbstractSocket::SocketOption option);
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SocketType socketType() const;
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SocketState state() const;
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SocketError error() const;
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// from QIODevice
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void close();
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bool isSequential() const;
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bool atEnd() const;
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bool flush();
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// for synchronous access
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// ### Qt 5: Make waitForConnected() and waitForDisconnected() virtual.
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bool waitForConnected(int msecs = 30000);
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bool waitForReadyRead(int msecs = 30000);
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bool waitForBytesWritten(int msecs = 30000);
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bool waitForDisconnected(int msecs = 30000);
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#ifndef QT_NO_NETWORKPROXY
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void setProxy(const QNetworkProxy &networkProxy);
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QNetworkProxy proxy() const;
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#endif
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Q_SIGNALS:
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void hostFound();
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void connected();
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void disconnected();
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void stateChanged(QAbstractSocket::SocketState);
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void error(QAbstractSocket::SocketError);
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#ifndef QT_NO_NETWORKPROXY
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void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator);
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#endif
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protected Q_SLOTS:
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void connectToHostImplementation(const QString &hostName, quint16 port, OpenMode mode = ReadWrite);
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void disconnectFromHostImplementation();
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protected:
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qint64 readData(char *data, qint64 maxlen);
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qint64 readLineData(char *data, qint64 maxlen);
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qint64 writeData(const char *data, qint64 len);
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void setSocketState(SocketState state);
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void setSocketError(SocketError socketError);
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void setLocalPort(quint16 port);
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void setLocalAddress(const QHostAddress &address);
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void setPeerPort(quint16 port);
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void setPeerAddress(const QHostAddress &address);
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void setPeerName(const QString &name);
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QAbstractSocket(SocketType socketType, QAbstractSocketPrivate &dd, QObject *parent = 0);
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private:
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Q_DECLARE_PRIVATE(QAbstractSocket)
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Q_DISABLE_COPY(QAbstractSocket)
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Q_PRIVATE_SLOT(d_func(), void _q_connectToNextAddress())
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Q_PRIVATE_SLOT(d_func(), void _q_startConnecting(const QHostInfo &))
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Q_PRIVATE_SLOT(d_func(), void _q_abortConnectionAttempt())
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Q_PRIVATE_SLOT(d_func(), void _q_testConnection())
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Q_PRIVATE_SLOT(d_func(), void _q_forceDisconnect())
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#ifdef QT3_SUPPORT
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public:
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enum Error {
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ErrConnectionRefused = ConnectionRefusedError,
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ErrHostNotFound = HostNotFoundError,
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ErrSocketRead = UnknownSocketError
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};
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inline QT3_SUPPORT int socket() const { return socketDescriptor(); }
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inline QT3_SUPPORT void setSocket(int socket) { setSocketDescriptor(socket); }
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inline QT3_SUPPORT qulonglong waitForMore(int msecs, bool *timeout = 0) const
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{
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QAbstractSocket *that = const_cast<QAbstractSocket *>(this);
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if (that->waitForReadyRead(msecs))
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return qulonglong(bytesAvailable());
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if (error() == SocketTimeoutError && timeout)
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*timeout = true;
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return 0;
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}
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typedef SocketState State;
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Q_SIGNALS:
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QT_MOC_COMPAT void connectionClosed(); // same as disconnected()
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QT_MOC_COMPAT void delayedCloseFinished(); // same as disconnected()
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#endif
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};
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#ifndef QT_NO_DEBUG_STREAM
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Q_NETWORK_EXPORT QDebug operator<<(QDebug, QAbstractSocket::SocketError);
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Q_NETWORK_EXPORT QDebug operator<<(QDebug, QAbstractSocket::SocketState);
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QABSTRACTSOCKET_H
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