Sfoglia il codice sorgente

- IOChannel, IOChannelConfig, ActiveIOChannel
- ActiveMethod::operator () default argument value (convenient for arguments of Poco::Void type)

Aleksandar Fabijanic 18 anni fa
parent
commit
0c65fa6295

+ 40 - 0
Foundation/Foundation_vs80.vcproj

@@ -4785,6 +4785,46 @@
 				</File>
 			</Filter>
 		</Filter>
+		<Filter
+			Name="IO"
+			>
+			<Filter
+				Name="Header Files"
+				>
+				<File
+					RelativePath=".\include\Poco\ActiveIOChannel.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannel.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannelConfig.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannelStream.h"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="Source Files"
+				>
+				<File
+					RelativePath=".\src\IOChannel.cpp"
+					>
+				</File>
+				<File
+					RelativePath=".\src\IOChannelConfig.cpp"
+					>
+				</File>
+				<File
+					RelativePath=".\src\IOChannelStream.cpp"
+					>
+				</File>
+			</Filter>
+		</Filter>
 	</Files>
 	<Globals>
 	</Globals>

+ 41 - 0
Foundation/Foundation_vs90.vcproj

@@ -6,6 +6,7 @@
 	ProjectGUID="{8164D41D-B053-405B-826C-CF37AC0EF176}"
 	RootNamespace="Foundation"
 	Keyword="Win32Proj"
+	TargetFrameworkVersion="0"
 	>
 	<Platforms>
 		<Platform
@@ -4775,6 +4776,46 @@
 				</File>
 			</Filter>
 		</Filter>
+		<Filter
+			Name="IO"
+			>
+			<Filter
+				Name="Header Files"
+				>
+				<File
+					RelativePath=".\include\Poco\ActiveIOChannel.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannel.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannelConfig.h"
+					>
+				</File>
+				<File
+					RelativePath=".\include\Poco\IOChannelStream.h"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="Source Files"
+				>
+				<File
+					RelativePath=".\src\IOChannel.cpp"
+					>
+				</File>
+				<File
+					RelativePath=".\src\IOChannelConfig.cpp"
+					>
+				</File>
+				<File
+					RelativePath=".\src\IOChannelStream.cpp"
+					>
+				</File>
+			</Filter>
+		</Filter>
 	</Files>
 	<Globals>
 	</Globals>

+ 89 - 0
Foundation/include/Poco/ActiveIOChannel.h

@@ -0,0 +1,89 @@
+//
+// ActiveIOChannel.h
+//
+// $Id: //poco/Main/Data/include/Poco/ActiveIOChannel.h#1 $
+//
+// Library: Foundation
+// Package: Foundation
+// Module:  ActiveIOChannel
+//
+// Definition of the ActiveIOChannel class.
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTFoundationN WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_ActiveIOChannel_INCLUDED
+#define Foundation_ActiveIOChannel_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/ActiveMethod.h"
+#include "Poco/Void.h"
+
+
+namespace Poco {
+
+
+template <class P>
+class ActiveIOChannel
+{
+public:
+	ActiveIOChannel(P& channel):
+		read(this, &ActiveIOChannel::readImpl),
+		write(this, &ActiveIOChannel::writeImpl),
+		_channel(channel)
+	{
+	}
+	
+	~ActiveIOChannel()
+	{
+	}
+	
+	Poco::ActiveMethod<std::string, Void, ActiveIOChannel> read;
+	Poco::ActiveMethod<int, std::string, ActiveIOChannel> write;
+
+protected:
+	std::string readImpl(const Void&)
+	{	
+		std::string buffer;
+		return _channel.read(buffer);
+	}
+	
+	int writeImpl(const std::string& data)
+	{	
+		return _channel.write(data);
+	}
+
+private:
+	P& _channel;
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_ActiveIOChannel_INCLUDED

+ 1 - 1
Foundation/include/Poco/ActiveMethod.h

@@ -106,7 +106,7 @@ public:
 		poco_check_ptr (pOwner);
 	}
 	
-	ActiveResultType operator () (const ArgType& arg)
+	ActiveResultType operator () (const ArgType& arg = ArgType())
 		/// Invokes the ActiveMethod.
 	{
 		ActiveResultType result(new ActiveResultHolder<ResultType>());

+ 242 - 0
Foundation/include/Poco/IOChannel.h

@@ -0,0 +1,242 @@
+//
+// IOChannel.h
+//
+// $Id: //poco/svn/Foundation/include/Poco/IOChannel.h#2 $
+//
+// Library: Foundation
+// Package: IO
+// Module:  IOChannel
+//
+// Definition of the IOChannel class.
+//
+// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_IOChannel_INCLUDED
+#define Foundation_IOChannel_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/IOChannelConfig.h"
+#include "Poco/RefCountedObject.h"
+#include "Poco/AutoPtr.h"
+
+
+namespace Poco {
+
+
+class Foundation_API IOChannel: public RefCountedObject
+	/// IOChannel supports I/O operations on streams or other input/output facilities.
+	///
+	/// IOChannel supports blocking (default) and non-blocking read and write operations.
+{
+public:
+	typedef AutoPtr<IOChannelConfig> ConfigPtr;
+
+	IOChannel(const std::string& name = "");
+		/// Creates the IOChannel.
+
+	IOChannel(IOChannelConfig* pConfig, const std::string& name = "");
+		/// Creates the IOChannel with specified configuration.
+		
+	virtual ~IOChannel();
+		/// Destroys the IOChannel.
+
+	virtual void open() = 0;
+		/// Opens the channel.
+
+	virtual void close() = 0;
+		/// Closes the channel.
+
+	std::string& read(std::string& buffer, int length = 0);
+		/// Read up to length bytes into the supplied buffer.
+		/// If length is 0, the channel implementation must provide
+		/// support for the termination of transmission.
+		/// Also, in case when length is 0 and the channel implementation
+		/// provides the buffer length and termination character
+		/// information, it also allocates the buffer. The buffer,
+		/// however, is always freed in this function, regardless of where
+		/// it was allocated. See readData(char*&) for more information.
+
+	const std::string& read(int length);
+		/// Read up to length bytes and return the reference to internal buffer. 
+
+	int read(char* pReadBuf, int length);
+		/// Reads a string of characters from the channel.
+
+	int write(char c);
+		/// Writes a character to the channel.
+
+	int write(const char* buffer, int length);
+		/// Write length bytes from buffer. 
+		/// Returns the number of bytes written.
+		
+	int write(const std::string& data);
+		/// Writes a string of characters to the channel.
+
+	char read();
+		/// Reads one character from the channel.
+
+	const std::string& name() const;
+		/// Returns the channel name.
+
+	virtual void setTimeout(int timeoutMS);
+		/// Sets timeout in milliseconds.
+
+	virtual void setBlocking();
+		/// Sets blocking operation.
+
+	virtual void setNonblocking(int timeoutMS);
+		/// Sets non-blocking operation by calling setTimeout().
+
+	int getTimeout() const;
+		/// Returns timeout in milliseconds.
+
+	bool isBlocking() const;
+		/// Returns true if operation is blocking, false otherwise.
+
+protected:
+	IOChannelConfig& config();
+		/// Returns the reference to the configuration for this cahannel.
+
+	virtual void init();
+		/// (Re)initializes the internal channel configuration.
+		/// Does nothing in this implementation.
+
+	virtual int readData(char* pReadBuf, int length) = 0;
+		/// Reads length bytes and puts them in the buffer.
+		/// Must be implemented by the inheriting class.
+
+	virtual int readData(char*& pReadBuf) = 0;
+		/// Reads an unspecified amount of bytes and places them in the buffer.
+		/// Properly behaved implementation of this function reads bytes and places 
+		/// them in the buffer. Buffer is allocated by the implementation as
+		/// needed. Implementation must provide a way to terminate the communication
+		/// session.
+		/// Important: this function is called from read(std::string, int length) when 
+		/// the length is zero. The buffer allocated in the implementation of this function
+		/// is always freed in the caller function.
+		
+	virtual int writeData(const char* buffer, int length) = 0;
+		/// Writes length bytes from buffer to the target.
+		/// Must be implemented by the inheriting class.
+
+private:
+	IOChannel(const IOChannel&);
+	IOChannel& operator = (const IOChannel&);
+
+	std::string _name;
+	std::string _buffer;
+	ConfigPtr   _pConfig;
+};
+
+
+//
+// inlines
+//
+
+inline IOChannelConfig& IOChannel::config()
+{
+	return *_pConfig;
+}
+
+
+inline void IOChannel::init()
+{
+}
+
+
+inline const std::string& IOChannel::name() const
+{
+	return _name;
+}
+
+
+inline const std::string& IOChannel::read(int length)
+{
+	return read(_buffer, length);
+}
+
+
+inline int IOChannel::read(char* pReadBuf, int length)
+{
+	return readData(pReadBuf, length);
+}
+
+
+inline int IOChannel::write(char c)
+{
+	return writeData(&c, 1);
+}
+
+
+inline int IOChannel::write(const std::string& data)
+{
+	return writeData(data.data(), static_cast<int>(data.size()));
+}
+
+
+inline int IOChannel::write(const char* buffer, int length)
+{
+	return writeData(buffer, length);
+}
+
+
+inline void IOChannel::setTimeout(int timeoutMS)
+{
+	_pConfig->setTimeout(timeoutMS);
+}
+
+
+inline void IOChannel::setBlocking()
+{
+	_pConfig->setBlocking();
+}
+
+
+inline void IOChannel::setNonblocking(int timeoutMS)
+{
+	setTimeout(timeoutMS);
+}
+
+
+inline int IOChannel::getTimeout() const
+{
+	return _pConfig->getTimeout();
+}
+
+
+inline bool IOChannel::isBlocking() const
+{
+	return _pConfig->isBlocking();
+}
+
+
+} // namespace Poco
+
+
+#endif // Foundation_IOChannel_INCLUDED

+ 158 - 0
Foundation/include/Poco/IOChannelConfig.h

@@ -0,0 +1,158 @@
+//
+// IOChannelConfig.h
+//
+// $Id: //poco/Main/Data/include/Poco/IOChannelConfig.h#1 $
+//
+// Library: Foundation
+// Package: IO
+// Module:  IOChannelConfig
+//
+// Definition of the IOChannelConfig class.
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_IOChannelConfig_INCLUDED
+#define Foundation_IOChannelConfig_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/RefCountedObject.h"
+
+
+namespace Poco {
+
+
+class Foundation_API IOChannelConfig: public RefCountedObject
+{
+public:
+	enum ChannelType
+	{
+		CONNECTION_CHANNEL,
+		CONNECTIONLESS_CHANNEL
+	};
+
+	IOChannelConfig(const std::string& name = "",
+		ChannelType type = CONNECTION_CHANNEL,
+		int timeoutMS = INFINITE_TIMEOUT);
+		/// Creates IOChannelConfig.
+
+	virtual ~IOChannelConfig();
+		/// Destroys IOChannelConfig.
+
+	virtual void setTimeout(int timeoutMS);
+		/// Sets timeout in milliseconds.
+
+	int getTimeout() const;
+		/// Returns timeout in milliseconds.
+
+	virtual void setBlocking();
+		/// Sets blocking operation.
+
+	virtual void setNonblocking(int timeoutMS);
+		/// Sets blocking operation.
+
+	bool isBlocking() const;
+		/// Returns true if operation is blocking, false otherwise.
+
+	void setName(const std::string& name);
+		/// Sets the channel name.
+
+	const std::string& getName() const;
+		/// Returns the channel name.
+
+	void setType(ChannelType type);
+		/// Sets the channel name.
+
+	ChannelType getType() const;
+		/// Returns the channel name.
+
+	static const int INFINITE_TIMEOUT = -1;
+
+private:
+	std::string _name;
+	ChannelType _type;
+	int         _timeoutMS;
+};
+
+
+//
+// inlines
+//
+
+inline void IOChannelConfig::setBlocking()
+{
+	_timeoutMS = INFINITE_TIMEOUT;
+}
+
+
+inline void IOChannelConfig::setNonblocking(int timeoutMS)
+{
+	_timeoutMS = timeoutMS;
+}
+
+
+inline int IOChannelConfig::getTimeout() const
+{
+	return _timeoutMS;
+}
+
+
+inline bool IOChannelConfig::isBlocking() const
+{
+	return INFINITE_TIMEOUT == _timeoutMS;
+}
+
+
+inline void IOChannelConfig::setName(const std::string& name)
+{
+	_name = name;
+}
+
+
+inline const std::string& IOChannelConfig::getName() const
+{
+	return _name;
+}
+
+
+inline void IOChannelConfig::setType(ChannelType type)
+{
+	_type = type;
+}
+
+
+inline IOChannelConfig::ChannelType IOChannelConfig::getType() const
+{
+	return _type;
+}
+
+
+} // namespace Poco
+
+
+#endif // Foundation_IOChannelConfig_INCLUDED

+ 130 - 0
Foundation/include/Poco/IOChannelStream.h

@@ -0,0 +1,130 @@
+//
+// IOChannelStream.h
+//
+// $Id: //poco/Main/Data/include/Poco/IOChannelStream.h#1 $
+//
+// Library: Poco
+// Package: IO
+// Module:  IOChannelStream
+//
+// Definition of the IOChannelStream class.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#ifndef Foundation_IOChannelStream_INCLUDED
+#define Foundation_IOChannelStream_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/UnbufferedStreamBuf.h"
+#include "Poco/IOChannel.h"
+#include <istream>
+#include <ostream>
+
+
+namespace Poco {
+
+
+class Foundation_API IOChannelStreamBuf: public UnbufferedStreamBuf
+	/// This is the streambuf class used for reading from and writing to a IOChannel.
+{
+public:	
+	IOChannelStreamBuf(IOChannel& channel);
+		/// Creates a IOChannelStreamBuf with the given IOChannel.
+
+	~IOChannelStreamBuf();
+		/// Destroys the IOChannelStreamBuf.
+		
+	void close();
+		/// Closes the channel.
+
+protected:
+	int_type readFromDevice();
+	int_type writeToDevice(char c);
+
+private:
+	IOChannel& _channel;
+};
+
+
+class Foundation_API IOChannelIOS: public virtual std::ios
+	/// The base class for IOChannelInputStream and
+	/// IOChannelOutputStream.
+	///
+	/// This class is needed to ensure the correct initialization
+	/// order of the stream buffer and base classes.
+{
+public:
+	IOChannelIOS(IOChannel& channel, openmode mode);
+		/// Creates the IOChannelIOS with the given IOChannel.
+		
+	~IOChannelIOS();
+		/// Destroys the IOChannelIOS.
+		
+	IOChannelStreamBuf* rdbuf();
+		/// Returns a pointer to the internal IOChannelStreamBuf.
+		
+protected:
+	IOChannelStreamBuf _buf;
+};
+
+
+class Foundation_API IOChannelOutputStream: public IOChannelIOS, public std::ostream
+	/// An output stream for writing to a IOChannel.
+{
+public:
+	IOChannelOutputStream(IOChannel& channel);
+		/// Creates the IOChannelOutputStream with the given IOChannel.
+
+	~IOChannelOutputStream();
+		/// Destroys the IOChannelOutputStream.
+		///
+		/// Flushes the buffer, but does not close the channel.
+};
+
+
+class Foundation_API IOChannelInputStream: public IOChannelIOS, public std::istream
+	/// An input stream for reading from a IOChannel.
+	///
+	/// Using formatted input from a IOChannelInputStream
+	/// is not recommended, due to the read-ahead behavior of
+	/// istream with formatted reads.
+{
+public:
+	IOChannelInputStream(IOChannel& channel);
+		/// Creates the IOChannelInputStream with the given IOChannel.
+
+	~IOChannelInputStream();
+		/// Destroys the IOChannelInputStream.
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_IOChannelStream_INCLUDED

+ 93 - 0
Foundation/src/IOChannel.cpp

@@ -0,0 +1,93 @@
+//
+// IOChannel.cpp
+//
+// $Id: //poco/svn/Foundation/src/IOChannel.cpp#2 $
+//
+// Library: Foundation
+// Package: IO
+// Module:  IOChannel
+//
+// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/IOChannel.h"
+
+
+namespace Poco {
+
+
+IOChannel::IOChannel(const std::string& name):
+	_name(name),
+	_pConfig(new IOChannelConfig)
+{
+}
+
+
+IOChannel::IOChannel(IOChannelConfig* pConfig, const std::string& name):
+	_name(name),	
+	_pConfig(pConfig)
+{
+}
+
+
+IOChannel::~IOChannel()
+{
+}
+
+
+char IOChannel::read()
+{
+	char readBuf = 0;
+	char* pReadBuf = &readBuf;
+	readData(pReadBuf, 1);
+	return readBuf;
+}
+
+
+std::string& IOChannel::read(std::string& buffer, int length)
+{
+	buffer.clear();
+	char* pBuf = 0;
+	int len = 0;
+
+	if (length > 0)
+	{
+		pBuf = static_cast<char*>(std::calloc(length, sizeof(char)));
+		len = readData(pBuf, length);
+	}
+	else 
+		len = readData(pBuf); // must allocate buffer as needed
+
+	if (len > 0) buffer.assign(pBuf, len);
+
+	std::free(pBuf);
+
+	return buffer;
+}
+
+
+} // namespace Poco

+ 67 - 0
Foundation/src/IOChannelConfig.cpp

@@ -0,0 +1,67 @@
+//
+// SerialConfig.cpp
+//
+// $Id: //poco/Main/IO/src/IOChannelConfig.cpp#1 $
+//
+// Library: Foundation
+// Package: IO
+// Module:  IOChannelConfig
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/IOChannelConfig.h"
+#include "Poco/Exception.h"
+
+
+namespace Poco {
+
+
+IOChannelConfig::IOChannelConfig(const std::string& name, ChannelType type, int timeoutMS):
+	_name(name),
+	_type(type),
+	_timeoutMS(timeoutMS)
+{
+}
+
+
+IOChannelConfig::~IOChannelConfig()
+{
+}
+
+
+
+void IOChannelConfig::setTimeout(int timeoutMS)
+{
+	if (timeoutMS < 0 && INFINITE_TIMEOUT != timeoutMS)
+		throw InvalidArgumentException("Invalid timeout value");
+
+	_timeoutMS = timeoutMS;
+}
+
+
+} // namespace Poco::IO

+ 111 - 0
Foundation/src/IOChannelStream.cpp

@@ -0,0 +1,111 @@
+//
+// DigestStream.cpp
+//
+// $Id: //poco/1.2/IO/src/IOChannelStream.cpp#1 $
+//
+// Library: IO
+// Package: IO
+// Module:  IOChannelStream
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/IOChannelStream.h"
+
+
+namespace Poco {
+
+
+IOChannelStreamBuf::IOChannelStreamBuf(IOChannel& channel): _channel(channel)
+{
+}
+
+
+IOChannelStreamBuf::~IOChannelStreamBuf()
+{
+}
+
+
+void IOChannelStreamBuf::close()
+{
+	_channel.close();
+}
+
+
+UnbufferedStreamBuf::int_type IOChannelStreamBuf::readFromDevice()
+{
+	return charToInt(_channel.read());
+}
+
+
+UnbufferedStreamBuf::int_type IOChannelStreamBuf::writeToDevice(char c)
+{
+	return _channel.write(c);
+}
+
+
+IOChannelIOS::IOChannelIOS(IOChannel& channel, openmode mode) :_buf(channel)
+{
+	poco_ios_init(&_buf);
+}
+	
+
+IOChannelIOS::~IOChannelIOS()
+{
+}
+
+
+IOChannelStreamBuf* IOChannelIOS::rdbuf()
+{
+	return &_buf;
+}
+
+
+IOChannelOutputStream::IOChannelOutputStream(IOChannel& channel):
+	IOChannelIOS(channel, std::ios::out),
+	std::ostream(&_buf)
+{
+}
+
+
+IOChannelOutputStream::~IOChannelOutputStream()
+{
+}
+
+
+IOChannelInputStream::IOChannelInputStream(IOChannel& channel):
+	IOChannelIOS(channel, std::ios::in),
+	std::istream(&_buf)
+{
+}
+
+IOChannelInputStream::~IOChannelInputStream()
+{
+}
+
+
+} // namespace Poco