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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > TQNetworkOperation Class Reference< br > < small > [< a href = "network.html" > network module< / a > ]< / small > < / h1 >
< p > The TQNetworkOperation class provides common operations for network protocols.
< a href = "#details" > More...< / a >
< p > < tt > #include < < a href = "qnetworkprotocol-h.html" > ntqnetworkprotocol.h< / a > > < / tt >
< p > Inherits < a href = "tqobject.html" > TQObject< / a > .
< p > < a href = "qnetworkoperation-members.html" > List of all member functions.< / a >
< h2 > Public Members< / h2 >
< ul >
< li class = fn > < a href = "#TQNetworkOperation" > < b > TQNetworkOperation< / b > < / a > ( TQNetworkProtocol::Operation operation, const TQString & arg0, const TQString & arg1, const TQString & arg2 )< / li >
< li class = fn > < a href = "#TQNetworkOperation-2" > < b > TQNetworkOperation< / b > < / a > ( TQNetworkProtocol::Operation operation, const TQByteArray & arg0, const TQByteArray & arg1, const TQByteArray & arg2 )< / li >
< li class = fn > < a href = "#~TQNetworkOperation" > < b > ~TQNetworkOperation< / b > < / a > ()< / li >
< li class = fn > void < a href = "#setState" > < b > setState< / b > < / a > ( TQNetworkProtocol::State state )< / li >
< li class = fn > void < a href = "#setProtocolDetail" > < b > setProtocolDetail< / b > < / a > ( const TQString & detail )< / li >
< li class = fn > void < a href = "#setErrorCode" > < b > setErrorCode< / b > < / a > ( int ec )< / li >
< li class = fn > void < a href = "#setArg" > < b > setArg< / b > < / a > ( int num, const TQString & arg )< / li >
< li class = fn > void < a href = "#setRawArg" > < b > setRawArg< / b > < / a > ( int num, const TQByteArray & arg )< / li >
< li class = fn > TQNetworkProtocol::Operation < a href = "#operation" > < b > operation< / b > < / a > () const< / li >
< li class = fn > TQNetworkProtocol::State < a href = "#state" > < b > state< / b > < / a > () const< / li >
< li class = fn > TQString < a href = "#arg" > < b > arg< / b > < / a > ( int num ) const< / li >
< li class = fn > TQByteArray < a href = "#rawArg" > < b > rawArg< / b > < / a > ( int num ) const< / li >
< li class = fn > TQString < a href = "#protocolDetail" > < b > protocolDetail< / b > < / a > () const< / li >
< li class = fn > int < a href = "#errorCode" > < b > errorCode< / b > < / a > () const< / li >
< li class = fn > void < a href = "#free" > < b > free< / b > < / a > ()< / li >
< / ul >
< hr > < a name = "details" > < / a > < h2 > Detailed Description< / h2 >
< p > The TQNetworkOperation class provides common operations for network protocols.
< p >
< p > An object is created to describe the operation and the current
state for each operation that a network protocol should process.
< p > For a detailed description of the TQt Network Architecture and how
to implement and use network protocols in TQt, see the < a href = "network.html" > TQt Network Documentation< / a > .
< p > < p > See also < a href = "ntqnetworkprotocol.html" > TQNetworkProtocol< / a > and < a href = "io.html" > Input/Output and Networking< / a > .
< hr > < h2 > Member Function Documentation< / h2 >
< h3 class = fn > < a name = "TQNetworkOperation" > < / a > TQNetworkOperation::TQNetworkOperation ( < a href = "ntqnetworkprotocol.html#Operation-enum" > TQNetworkProtocol::Operation< / a > operation, const < a href = "ntqstring.html" > TQString< / a > & arg0, const < a href = "ntqstring.html" > TQString< / a > & arg1, const < a href = "ntqstring.html" > TQString< / a > & arg2 )
< / h3 >
Constructs a network operation object. < em > operation< / em > is the type of
the operation, and < em > arg0< / em > , < em > arg1< / em > and < em > arg2< / em > are the first
three arguments of the operation. The state is initialized to
TQNetworkProtocol::StWaiting.
< p > < p > See also < a href = "ntqnetworkprotocol.html#Operation-enum" > TQNetworkProtocol::Operation< / a > and < a href = "ntqnetworkprotocol.html#State-enum" > TQNetworkProtocol::State< / a > .
< h3 class = fn > < a name = "TQNetworkOperation-2" > < / a > TQNetworkOperation::TQNetworkOperation ( < a href = "ntqnetworkprotocol.html#Operation-enum" > TQNetworkProtocol::Operation< / a > operation, const < a href = "qbytearray.html" > TQByteArray< / a > & arg0, const < a href = "qbytearray.html" > TQByteArray< / a > & arg1, const < a href = "qbytearray.html" > TQByteArray< / a > & arg2 )
< / h3 >
Constructs a network operation object. < em > operation< / em > is the type of
the operation, and < em > arg0< / em > , < em > arg1< / em > and < em > arg2< / em > are the first
three raw data arguments of the operation. The state is
initialized to TQNetworkProtocol::StWaiting.
< p > < p > See also < a href = "ntqnetworkprotocol.html#Operation-enum" > TQNetworkProtocol::Operation< / a > and < a href = "ntqnetworkprotocol.html#State-enum" > TQNetworkProtocol::State< / a > .
< h3 class = fn > < a name = "~TQNetworkOperation" > < / a > TQNetworkOperation::~TQNetworkOperation ()
< / h3 >
Destructor.
< h3 class = fn > < a href = "ntqstring.html" > TQString< / a > < a name = "arg" > < / a > TQNetworkOperation::arg ( int num ) const
< / h3 >
Returns the operation's < em > num< / em > -th argument. If this argument was
not already set, an empty string is returned.
< p > Example: < a href = "networkprotocol-example.html#x672" > network/networkprotocol/nntp.cpp< / a > .
< h3 class = fn > int < a name = "errorCode" > < / a > TQNetworkOperation::errorCode () const
< / h3 >
Returns the error code for the last error that occurred.
< h3 class = fn > void < a name = "free" > < / a > TQNetworkOperation::free ()
< / h3 >
Sets this object to delete itself when it hasn't been used for one
second.
< p > Because TQNetworkOperation pointers are passed around a lot the
< a href = "ntqnetworkprotocol.html" > TQNetworkProtocol< / a > generally does not have enough knowledge to
delete these at the correct time. If a TQNetworkProtocol doesn't
need an operation any more it will call this function instead.
< p > Note: you should never need to call the method yourself.
< h3 class = fn > < a href = "ntqnetworkprotocol.html#Operation-enum" > TQNetworkProtocol::Operation< / a > < a name = "operation" > < / a > TQNetworkOperation::operation () const
< / h3 >
Returns the type of the operation.
< h3 class = fn > < a href = "ntqstring.html" > TQString< / a > < a name = "protocolDetail" > < / a > TQNetworkOperation::protocolDetail () const
< / h3 >
Returns a detailed error message for the last error. This must
have been set using < a href = "#setProtocolDetail" > setProtocolDetail< / a > ().
< h3 class = fn > < a href = "qbytearray.html" > TQByteArray< / a > < a name = "rawArg" > < / a > TQNetworkOperation::rawArg ( int num ) const
< / h3 >
Returns the operation's < em > num< / em > -th raw data argument. If this
argument was not already set, an empty bytearray is returned.
< h3 class = fn > void < a name = "setArg" > < / a > TQNetworkOperation::setArg ( int num, const < a href = "ntqstring.html" > TQString< / a > & arg )
< / h3 >
Sets the network operation's < em > num< / em > -th argument to < em > arg< / em > .
< h3 class = fn > void < a name = "setErrorCode" > < / a > TQNetworkOperation::setErrorCode ( int ec )
< / h3 >
Sets the error code to < em > ec< / em > .
< p > If the operation failed, the protocol should set an error code to
describe the error in more detail. If possible, one of the error
codes defined in < a href = "ntqnetworkprotocol.html" > TQNetworkProtocol< / a > should be used.
< p > < p > See also < a href = "#setProtocolDetail" > setProtocolDetail< / a > () and < a href = "ntqnetworkprotocol.html#Error-enum" > TQNetworkProtocol::Error< / a > .
< h3 class = fn > void < a name = "setProtocolDetail" > < / a > TQNetworkOperation::setProtocolDetail ( const < a href = "ntqstring.html" > TQString< / a > & detail )
< / h3 >
If the operation failed, the error message can be specified as < em > detail< / em > .
< h3 class = fn > void < a name = "setRawArg" > < / a > TQNetworkOperation::setRawArg ( int num, const < a href = "qbytearray.html" > TQByteArray< / a > & arg )
< / h3 >
Sets the network operation's < em > num< / em > -th raw data argument to < em > arg< / em > .
< h3 class = fn > void < a name = "setState" > < / a > TQNetworkOperation::setState ( < a href = "ntqnetworkprotocol.html#State-enum" > TQNetworkProtocol::State< / a > state )
< / h3 >
Sets the < em > state< / em > of the operation object. This should be done by
the network protocol during processing; at the end it should be
set to TQNetworkProtocol::StDone or TQNetworkProtocol::StFailed,
depending on success or failure.
< p > < p > See also < a href = "ntqnetworkprotocol.html#State-enum" > TQNetworkProtocol::State< / a > .
< h3 class = fn > < a href = "ntqnetworkprotocol.html#State-enum" > TQNetworkProtocol::State< / a > < a name = "state" > < / a > TQNetworkOperation::state () const
< / h3 >
Returns the state of the operation. You can determine whether an
operation is still waiting to be processed, is being processed,
has been processed successfully, or failed.
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