QAbstractSocket Class Reference

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Detailed Description

Definition at line 64 of file qabstractsocket.h.

#include <qabstractsocket.h>

Inheritance diagram for QAbstractSocket:

List of all members.

Public Types
enum	SocketType { TcpSocket, UdpSocket, UnknownSocketType = -1 }
enum	NetworkLayerProtocol { IPv4Protocol, IPv6Protocol, UnknownNetworkLayerProtocol = -1 }
enum	SocketError {   ConnectionRefusedError, RemoteHostClosedError, HostNotFoundError, SocketAccessError,   SocketResourceError, SocketTimeoutError, DatagramTooLargeError, NetworkError,   AddressInUseError, SocketAddressNotAvailableError, UnsupportedSocketOperationError, UnfinishedSocketOperationError,   ProxyAuthenticationRequiredError, SslHandshakeFailedError, ProxyConnectionRefusedError, ProxyConnectionClosedError,   ProxyConnectionTimeoutError, ProxyNotFoundError, ProxyProtocolError, UnknownSocketError = -1 }
enum	SocketState {   UnconnectedState, HostLookupState, ConnectingState, ConnectedState,   BoundState, ListeningState, ClosingState }
enum	SocketOption { LowDelayOption, KeepAliveOption }
Signals
void	hostFound ()
void	connected ()
void	disconnected ()
void	stateChanged (QAbstractSocket::SocketState)
void	error (QAbstractSocket::SocketError)
void	proxyAuthenticationRequired (const QNetworkProxy &proxy, QAuthenticator *authenticator)
Public Member Functions
	QAbstractSocket (SocketType socketType, QObject *parent)
virtual	~QAbstractSocket ()
void	connectToHost (const QString &hostName, quint16 port, OpenMode mode=ReadWrite)
void	connectToHost (const QHostAddress &address, quint16 port, OpenMode mode=ReadWrite)
void	disconnectFromHost ()
bool	isValid () const
qint64	bytesAvailable () const
qint64	bytesToWrite () const
bool	canReadLine () const
quint16	localPort () const
QHostAddress	localAddress () const
quint16	peerPort () const
QHostAddress	peerAddress () const
QString	peerName () const
qint64	readBufferSize () const
void	setReadBufferSize (qint64 size)
void	abort ()
int	socketDescriptor () const
bool	setSocketDescriptor (int socketDescriptor, SocketState state=ConnectedState, OpenMode openMode=ReadWrite)
void	setSocketOption (QAbstractSocket::SocketOption option, const QVariant &value)
QVariant	socketOption (QAbstractSocket::SocketOption option)
SocketType	socketType () const
SocketState	state () const
SocketError	error () const
void	close ()
bool	isSequential () const
bool	atEnd () const
bool	flush ()
bool	waitForConnected (int msecs=30000)
bool	waitForReadyRead (int msecs=30000)
bool	waitForBytesWritten (int msecs=30000)
bool	waitForDisconnected (int msecs=30000)
void	setProxy (const QNetworkProxy &networkProxy)
QNetworkProxy	proxy () const
Protected Slots
void	connectToHostImplementation (const QString &hostName, quint16 port, OpenMode mode=ReadWrite)
void	disconnectFromHostImplementation ()
Protected Member Functions
qint64	readData (char *data, qint64 maxlen)
qint64	readLineData (char *data, qint64 maxlen)
qint64	writeData (const char *data, qint64 len)
void	setSocketState (SocketState state)
void	setSocketError (SocketError socketError)
void	setLocalPort (quint16 port)
void	setLocalAddress (const QHostAddress &address)
void	setPeerPort (quint16 port)
void	setPeerAddress (const QHostAddress &address)
void	setPeerName (const QString &name)
	QAbstractSocket (SocketType socketType, QAbstractSocketPrivate &dd, QObject *parent=0)

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Member Enumeration Documentation

enum SocketType

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Enumerator:

TcpSocket	Search for all occurrences
UdpSocket	Search for all occurrences
UnknownSocketType	Search for all occurrences

Definition at line 68 of file qabstractsocket.h.

                    {
        TcpSocket,
        UdpSocket,
        UnknownSocketType = -1
    };

enum NetworkLayerProtocol

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Enumerator:

IPv4Protocol	Search for all occurrences
IPv6Protocol	Search for all occurrences
UnknownNetworkLayerProtocol	Search for all occurrences

Definition at line 73 of file qabstractsocket.h.

                              {
        IPv4Protocol,
        IPv6Protocol,
        UnknownNetworkLayerProtocol = -1
    };

enum SocketError

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Enumerator:

ConnectionRefusedError	Search for all occurrences
RemoteHostClosedError	Search for all occurrences
HostNotFoundError	Search for all occurrences
SocketAccessError	Search for all occurrences
SocketResourceError	Search for all occurrences
SocketTimeoutError	Search for all occurrences
DatagramTooLargeError	Search for all occurrences
NetworkError	Search for all occurrences
AddressInUseError	Search for all occurrences
SocketAddressNotAvailableError	Search for all occurrences
UnsupportedSocketOperationError	Search for all occurrences
UnfinishedSocketOperationError	Search for all occurrences
ProxyAuthenticationRequiredError	Search for all occurrences
SslHandshakeFailedError	Search for all occurrences
ProxyConnectionRefusedError	Search for all occurrences
ProxyConnectionClosedError	Search for all occurrences
ProxyConnectionTimeoutError	Search for all occurrences
ProxyNotFoundError	Search for all occurrences
ProxyProtocolError	Search for all occurrences
UnknownSocketError	Search for all occurrences

Definition at line 78 of file qabstractsocket.h.

                     {
        ConnectionRefusedError,
        RemoteHostClosedError,
        HostNotFoundError,
        SocketAccessError,
        SocketResourceError,
        SocketTimeoutError,                     /* 5 */
        DatagramTooLargeError,
        NetworkError,
        AddressInUseError,
        SocketAddressNotAvailableError,
        UnsupportedSocketOperationError,        /* 10 */
        UnfinishedSocketOperationError,
        ProxyAuthenticationRequiredError,
        SslHandshakeFailedError,
        ProxyConnectionRefusedError,
        ProxyConnectionClosedError,             /* 15 */
        ProxyConnectionTimeoutError,
        ProxyNotFoundError,
        ProxyProtocolError,

        UnknownSocketError = -1
    };

enum SocketState

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Enumerator:

UnconnectedState	Search for all occurrences
HostLookupState	Search for all occurrences
ConnectingState	Search for all occurrences
ConnectedState	Search for all occurrences
BoundState	Search for all occurrences
ListeningState	Search for all occurrences
ClosingState	Search for all occurrences

Definition at line 101 of file qabstractsocket.h.

                     {
        UnconnectedState,
        HostLookupState,
        ConnectingState,
        ConnectedState,
        BoundState,
        ListeningState,
        ClosingState
#ifdef QT3_SUPPORT
        ,
        Idle = UnconnectedState,
        HostLookup = HostLookupState,
        Connecting = ConnectingState,
        Connected = ConnectedState,
        Closing = ClosingState,
        Connection = ConnectedState
#endif
    };

enum SocketOption

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Enumerator:

LowDelayOption	Search for all occurrences
KeepAliveOption	Search for all occurrences

Definition at line 119 of file qabstractsocket.h.

                      {
        LowDelayOption, // TCP_NODELAY
        KeepAliveOption // SO_KEEPALIVE
    };

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Constructor & Destructor Documentation

QAbstractSocket	(	SocketType	socketType,
		QObject *	parent
	)

virtual ~QAbstractSocket

(

)

[virtual]

QAbstractSocket	(	SocketType	socketType,
		QAbstractSocketPrivate &	dd,
		QObject *	parent = 0
	)		[protected]

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Member Function Documentation

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 [virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

qint64 bytesToWrite

(

)

const [virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

bool canReadLine

(

)

const [virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

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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qint64 readBufferSize

(

)

const

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void setReadBufferSize

(

qint64

size

)

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Reimplemented in QSslSocket.

void abort

(

)

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Reimplemented in QSslSocket.

int socketDescriptor

(

)

const

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bool setSocketDescriptor	(	int	socketDescriptor,
		SocketState	state = ConnectedState,
		OpenMode	openMode = ReadWrite
	)

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Reimplemented in QSslSocket.

void setSocketOption	(	QAbstractSocket::SocketOption	option,
		const QVariant &	value
	)

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Reimplemented in QSslSocket.

QVariant socketOption

(

QAbstractSocket::SocketOption

option

)

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Reimplemented in QSslSocket.

SocketType socketType

(

)

const

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SocketState state

(

)

const

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SocketError error

(

)

const

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void close

(

)

[virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

bool isSequential

(

)

const [virtual]

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Reimplemented from QIODevice.

bool atEnd

(

)

const [virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

bool flush

(

)

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Reimplemented in QSslSocket.

bool waitForConnected

(

int

msecs = 30000

)

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Reimplemented in QSslSocket.

bool waitForReadyRead

(

int

msecs = 30000

)

[virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

bool waitForBytesWritten

(

int

msecs = 30000

)

[virtual]

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Reimplemented from QIODevice.

Reimplemented in QSslSocket.

bool waitForDisconnected

(

int

msecs = 30000

)

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Reimplemented in QSslSocket.

void setProxy

(

const QNetworkProxy &

networkProxy

)

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QNetworkProxy proxy

(

)

const

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void hostFound

(

)

[signal]

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void connected

(

)

[signal]

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void disconnected

(

)

[signal]

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void stateChanged

(

QAbstractSocket::SocketState

)

[signal]

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void error

(

QAbstractSocket::SocketError

)

[signal]

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void proxyAuthenticationRequired	(	const QNetworkProxy &	proxy,
		QAuthenticator *	authenticator
	)		[signal]

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void connectToHostImplementation	(	const QString &	hostName,
		quint16	port,
		OpenMode	mode = ReadWrite
	)		[protected, slot]

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Reimplemented in QSslSocket.

void disconnectFromHostImplementation

(

)

[protected, slot]

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Reimplemented in QSslSocket.

qint64 readData	(	char *	data,
		qint64	maxlen
	)		[protected, virtual]

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Implements QIODevice.

Reimplemented in QSslSocket.

qint64 readLineData	(	char *	data,
		qint64	maxlen
	)		[protected, virtual]

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Reimplemented from QIODevice.

qint64 writeData	(	const char *	data,
		qint64	len
	)		[protected, virtual]

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Implements QIODevice.

Reimplemented in QSslSocket.

void setSocketState

(

SocketState

state

)

[protected]

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void setSocketError

(

SocketError

socketError

)

[protected]

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void setLocalPort

(

quint16

port

)

[protected]

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void setLocalAddress

(

const QHostAddress &

address

)

[protected]

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void setPeerPort

(

quint16

port

)

[protected]

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void setPeerAddress

(

const QHostAddress &

address

)

[protected]

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void setPeerName

(

const QString &

name

)

[protected]

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The documentation for this class was generated from the following file:

• QtNetwork/qabstractsocket.h