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/*
* This file is part of nzbget. See <http://nzbget.net>.
*
* Copyright (C) 2007-2017 Andrey Prygunkov <hugbug@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SCRIPT_H
#define SCRIPT_H
#include "NString.h"
#include "Container.h"
#include "Thread.h"
#include "Log.h"
class EnvironmentStrings
{
public:
void Clear();
void InitFromCurrentProcess();
void Append(const char* envstr);
void Append(CString&& envstr);
#ifdef WIN32
std::unique_ptr<wchar_t[]> GetStrings();
#else
std::vector<char*> GetStrings();
#endif
private:
typedef std::vector<CString> Strings;
Strings m_strings;
};
class ScriptController
{
public:
typedef std::vector<CString> ArgList;
ScriptController();
virtual ~ScriptController();
int Execute();
void Terminate();
bool Break();
void Resume();
void Detach();
static void TerminateAll();
const char* GetScript() { return !m_args.empty() ? *m_args[0] : nullptr; }
void SetWorkingDir(const char* workingDir) { m_workingDir = workingDir; }
void SetArgs(ArgList&& args) { m_args = std::move(args); }
void SetInfoName(const char* infoName) { m_infoName = infoName; }
const char* GetInfoName() { return m_infoName; }
void SetLogPrefix(const char* logPrefix) { m_logPrefix = logPrefix; }
void SetEnvVar(const char* name, const char* value);
void SetEnvVarSpecial(const char* prefix, const char* name, const char* value);
void SetIntEnvVar(const char* name, int value);
protected:
void ProcessOutput(char* text);
virtual bool ReadLine(char* buf, int bufSize, FILE* stream);
void PrintMessage(Message::EKind kind, const char* format, ...) PRINTF_SYNTAX(3);
virtual void AddMessage(Message::EKind kind, const char* text);
bool GetTerminated() { return m_terminated; }
void ResetEnv();
void PrepareEnvOptions(const char* stripPrefix);
void PrepareArgs();
virtual const char* GetOptValue(const char* name, const char* value) { return value; }
void StartProcess(int* pipein, int* pipeout);
int WaitProcess();
void SetNeedWrite(bool needWrite) { m_needWrite = needWrite; }
void Write(const char* str);
#ifdef WIN32
void BuildCommandLine(char* cmdLineBuf, int bufSize);
#endif
void UnregisterRunningScript();
private:
ArgList m_args;
const char* m_workingDir = nullptr;
CString m_infoName;
const char* m_logPrefix = nullptr;
EnvironmentStrings m_environmentStrings;
bool m_terminated = false;
bool m_completed = false;
bool m_detached = false;
bool m_needWrite = false;
FILE* m_readpipe = 0;
FILE* m_writepipe = 0;
#ifdef WIN32
HANDLE m_processId = 0;
DWORD m_dwProcessId = 0;
char m_cmdLine[2048];
#else
pid_t m_processId = 0;
#endif
typedef std::vector<ScriptController*> RunningScripts;
static RunningScripts m_runningScripts;
static Mutex m_runningMutex;
};
#endif
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