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126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
//
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// ApacheStream.h
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//
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// $Id: //poco/1.4/ApacheConnector/include/ApacheStream.h#2 $
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//
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// Copyright (c) 2006-2011, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef ApacheConnector_ApacheStream_INCLUDED
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#define ApacheConnector_ApacheStream_INCLUDED
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#include "ApacheConnector.h"
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#include "Poco/BufferedStreamBuf.h"
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#include <istream>
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#include <ostream>
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class ApacheStreamBuf: public Poco::BufferedStreamBuf
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/// This is the streambuf class used for reading from and writing to a socket.
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{
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public:
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ApacheStreamBuf(ApacheRequestRec* pApacheRequest, bool haveData = false);
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/// Creates a ApacheStreamBuf with the given socket.
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~ApacheStreamBuf();
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/// Destroys the SocketStreamBuf.
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protected:
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int readFromDevice(char* buffer, std::streamsize length);
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int writeToDevice(const char* buffer, std::streamsize length);
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private:
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enum
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{
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STREAM_BUFFER_SIZE = 1024
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};
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ApacheRequestRec* _pApacheRequest;
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bool _haveData;
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};
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class ApacheIOS: public virtual std::ios
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/// The base class for ApacheStream, ApacheInputStream and
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/// ApacheOutputStream.
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///
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/// This class is needed to ensure the correct initialization
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/// order of the stream buffer and base classes.
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{
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public:
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ApacheIOS(ApacheRequestRec* pApacheRequest, bool haveData = false);
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/// Creates the ApacheIOS with the given socket.
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~ApacheIOS();
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/// Destroys the ApacheIOS.
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///
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/// Flushes the buffer, but does not close the socket.
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ApacheStreamBuf* rdbuf();
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/// Returns a pointer to the internal ApacheStreamBuf.
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void close();
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/// Flushes the stream.
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protected:
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ApacheStreamBuf _buf;
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};
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class ApacheOutputStream: public ApacheIOS, public std::ostream
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/// An output stream for writing to an Apache response.
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{
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public:
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ApacheOutputStream(ApacheRequestRec* pApacheRequest);
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/// Creates the ApacheOutputStream with the given socket.
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~ApacheOutputStream();
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/// Destroys the ApacheOutputStream.
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///
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/// Flushes the buffer.
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};
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class ApacheInputStream: public ApacheIOS, public std::istream
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/// An input stream for reading from an Apache request.
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///
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/// Using formatted input from a ApacheInputStream
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/// is not recommended, due to the read-ahead behavior of
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/// istream with formatted reads.
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{
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public:
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ApacheInputStream(ApacheRequestRec* pApacheRequest);
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/// Creates the ApacheInputStream with the given socket.
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~ApacheInputStream();
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/// Destroys the ApacheInputStream.
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};
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#endif // ApacheConnector_ApacheStream_INCLUDED
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