[pclasses-cvs] pclasses2/include/pclasses/System Process.h,NONE,1.1 ProcessIO.h,NONE,1.1

[Christian P. <cp...@us...>]

Update of /cvsroot/pclasses/pclasses2/include/pclasses/System
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv22434/include/pclasses/System

Added Files:
	Process.h ProcessIO.h 
Log Message:
Added ProcessIO and Process class (compiles but untested). 

--- NEW FILE: Process.h ---
/***************************************************************************
 *   Copyright (C) 2004 by Christian Prochnow                              *
 *   cp...@se...                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef P_System_Process_h
#define P_System_Process_h
 
#include <pclasses/Unicode/String.h>
#include <pclasses/IO/IOError.h>
#include <pclasses/System/SystemError.h>
#include <pclasses/System/ProcessIO.h>
#include <list>

namespace P {

namespace System {

//! Child process class
/*!
  This class is used to concurrently execute child processes.
  \author Christian Prochnow <cp...@se...>
*/
class Process {
	public:

		//! Child process state
		enum State {
			Stopped,
			Running,
			Stopping
		};

		//! Communication mode flags
		enum CommFlags {
	
			NoComm         = 0x00,    /*!< Close StdIn, StdOut, StdErr */

			InheritStdIn   = 0x01,    /*!< Inherit StdIn from parent */
			RedirectStdIn  = 0x02,    /*!< Redirect StdIn to ProcessIO object */

			InheritStdOut  = 0x04,    /*!< Inherit StdOut from parent */
			RedirectStdOut = 0x08,    /*!< Redirect StdOut to ProcessIO object */

			InheritStdErr  = 0x10,    /*!< Inherit StdErr from parent */
			RedirectStdErr = 0x20,    /*!< Redirect StdErr to ProcessIO object */

			InheritAll     = InheritStdIn|InheritStdOut|InheritStdErr,
			RedirectAll    = RedirectStdIn|RedirectStdOut|RedirectStdErr

		};

		//! Argument list type
		typedef std::list<Unicode::String> ArgList;

		//! Process constructor
		Process(const Unicode::String& program, const ArgList& args = ArgList());
		~Process() throw();

		//! Returns the process state
		State state() const;

		void setArgs(const ArgList& args);

		//! Add argument
		void addArg(const Unicode::String& arg);

		//! Clear arguments
		void clearArgs();

		//! Set working directory
		void setWorkDir(const Unicode::String& dir);

		//! Returns the programs working directory
		const Unicode::String& workDir() const;

		//! Run program
		void start(int mode = NoComm)
			throw(IO::IOError,SystemError,LogicError);

		//! Terminate process
		void stop() throw(SystemError);

		//! Kill process
		void kill() throw(SystemError);

		//! Try wait for program to finish
		bool tryWait(int& exitCode) throw(SystemError);

		//! Wait for program to finish
		int wait() throw(SystemError);

		//! Return the process i/o object
		ProcessIO& processIO() const throw(LogicError);

  private:
		unsigned long   _handle;
		ProcessIO*      _procIO;
		State           _state;
		Unicode::String _workDir;
		Unicode::String _program;
		ArgList         _args;
};

} // !namespace System

} // !namespace P

#endif

--- NEW FILE: ProcessIO.h ---
/***************************************************************************
 *   Copyright (C) 2004 by Christian Prochnow                              *
 *   cp...@se...                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef P_System_ProcessIO_h
#define P_System_ProcessIO_h

#include <pclasses/IO/IODevice.h>
#include <pclasses/System/Pipe.h>

namespace P {

namespace System {

//! Child process I/O device
/*!
  \author Christian Prochnow <cp...@se...>
*/
class ProcessIO: public IO::IODevice {
	public:
		ProcessIO(const Pipe& in, const Pipe& out, const Pipe& err) throw(IO::IOError);
		~ProcessIO() throw();

		//! Close pipe's to child process
		void close() throw(IO::IOError);

		void closeWrite() throw(IO::IOError);
		void closeRead() throw(IO::IOError);
		void closeErr() throw(IO::IOError);

		//! Write to process stdin
		size_t write(const char* buffer, size_t count) throw(IO::IOError);

		//! Read from process stdout
		size_t read(char* buffer, size_t count) throw(IO::IOError);

		//! Read from process stderr
		size_t readErr(char* buffer, size_t count) throw(IO::IOError);

	private:
		Pipe _in, _out, _err;
};

} // !namespace System

} // !namespace P

#endif