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Viewing changes to src/wesl/process/process.hpp

  • Committer: Dominik Burgdörfer
  • Date: 2010-07-07 14:35:20 UTC
  • Revision ID: dominik@domachine-20100707143520-wpywl29fsg9quz54
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src/wesl/process/process.hpp
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// =======================================================================
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// 
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//       Filename:  process.hpp
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// 
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//    Description:  
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// 
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//        Version:  1.0
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//        Created:  03.05.2010 17:59:52
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//       Revision:  none
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//       Compiler:  g++
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// 
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//         Author:  Dominik 'domachine' Burgdörfer (-), dominik.burgdoerfer@googlemail.com
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//        Company:  -
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// 
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// =======================================================================
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#ifndef  PROCESS_INC
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#define  PROCESS_INC
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#include <iostream>
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#include <cstring>
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namespace wesl {
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    namespace process {
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        /**
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         * @brief Interface to spawn a system process
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         * and communicate with it.
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         */
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        class Process {
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        public:
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            /**
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             * @brief Constructs a Process object.
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             * @param command The system command
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             */
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            Process(const std::string& command);
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            /**
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             * @brief Spawns the process and opens read
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             * and write channel.
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             */
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            pid_t launch();
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            /**
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             * @brief Reads one character from the process
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             * output and stores it in <i>ch</i>.
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             * @param[out] ch The read character will be stored in it
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             */
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            bool operator>>(char& ch);
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            /**
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             * @brief Writes <i>ch</ch> to the process input device.
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             * @param[in] ch The character to write
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             */
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            Process& operator<<(char ch);
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            /**
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             * @brief Closes read channel.
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             */
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            void closeReadChannel();
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            /**
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             * @brief Closes write channel.
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             */
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            void closeWriteChannel();
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            /**
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             * @brief Closes read and write channel.
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             */
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            void close();
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        private:
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            std::string m_command;
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            int m_fileDescriptors[2];
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        };
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    }
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}
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#endif   // ----- #ifndef PROCESS_INC  -----