mirror of https://github.com/Icinga/icinga2.git
116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef PROCESS_H
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#define PROCESS_H
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#include "base/i2-base.hpp"
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#include "base/dictionary.hpp"
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#include <boost/function.hpp>
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#include <sstream>
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#include <deque>
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#include <vector>
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namespace icinga
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{
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/**
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* The result of a Process task.
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*
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* @ingroup base
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*/
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struct ProcessResult
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{
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pid_t PID;
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double ExecutionStart;
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double ExecutionEnd;
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long ExitStatus;
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String Output;
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};
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/**
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* A process task. Executes an external application and returns the exit
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* code and console output.
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*
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* @ingroup base
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*/
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class I2_BASE_API Process : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(Process);
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#ifdef _WIN32
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typedef String Arguments;
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typedef HANDLE ProcessHandle;
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typedef HANDLE ConsoleHandle;
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#else /* _WIN32 */
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typedef std::vector<String> Arguments;
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typedef pid_t ProcessHandle;
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typedef int ConsoleHandle;
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#endif /* _WIN32 */
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static const std::deque<Process::Ptr>::size_type MaxTasksPerThread = 512;
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Process(const Arguments& arguments, const Dictionary::Ptr& extraEnvironment = Dictionary::Ptr());
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~Process(void);
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void SetTimeout(double timeout);
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double GetTimeout(void) const;
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void Run(const boost::function<void (const ProcessResult&)>& callback = boost::function<void (const ProcessResult&)>());
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pid_t GetPID(void) const;
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static Arguments PrepareCommand(const Value& command);
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static void StaticInitialize(void);
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static void ThreadInitialize(void);
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static String PrettyPrintArguments(const Arguments& arguments);
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private:
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Arguments m_Arguments;
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Dictionary::Ptr m_ExtraEnvironment;
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double m_Timeout;
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ProcessHandle m_Process;
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pid_t m_PID;
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ConsoleHandle m_FD;
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#ifdef _WIN32
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bool m_ReadPending;
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bool m_ReadFailed;
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OVERLAPPED m_Overlapped;
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char m_ReadBuffer[1024];
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#endif /* _WIN32 */
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std::ostringstream m_OutputStream;
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boost::function<void (const ProcessResult&)> m_Callback;
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ProcessResult m_Result;
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static void IOThreadProc(int tid);
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bool DoEvents(void);
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int GetTID(void) const;
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};
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}
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#endif /* PROCESS_H */
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