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/* $Id: NetworkServiceRunner.cpp $ */
/** @file
* VirtualBox Main - interface for VBox DHCP server
*/
/*
* Copyright (C) 2009-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include <map>
#include <string>
#include "NetworkServiceRunner.h"
#include <iprt/process.h>
#include <iprt/param.h>
#include <iprt/env.h>
#include <iprt/log.h>
#include <iprt/thread.h>
const std::string NetworkServiceRunner::kNsrKeyName = "--name";
const std::string NetworkServiceRunner::kNsrKeyNetwork = "--network";
const std::string NetworkServiceRunner::kNsrKeyTrunkType = "--trunk-type";
const std::string NetworkServiceRunner::kNsrTrunkName = "--trunk-name";
const std::string NetworkServiceRunner::kNsrMacAddress = "--mac-address";
const std::string NetworkServiceRunner::kNsrIpAddress = "--ip-address";
const std::string NetworkServiceRunner::kNsrIpNetmask = "--netmask";
const std::string NetworkServiceRunner::kNsrKeyNeedMain = "--need-main";
struct NetworkServiceRunner::Data
{
Data(const char* aProcName)
: mProcName(aProcName)
, mProcess(NIL_RTPROCESS)
, mKillProcOnStop(false)
{}
const char *mProcName;
RTPROCESS mProcess;
std::map<std::string, std::string> mOptions;
bool mKillProcOnStop;
};
NetworkServiceRunner::NetworkServiceRunner(const char *aProcName)
{
m = new NetworkServiceRunner::Data(aProcName);
}
NetworkServiceRunner::~NetworkServiceRunner()
{
stop();
delete m;
m = NULL;
}
int NetworkServiceRunner::setOption(const std::string& key, const std::string& val)
{
m->mOptions.insert(std::map<std::string, std::string>::value_type(key, val));
return VINF_SUCCESS;
}
void NetworkServiceRunner::clearOptions()
{
m->mOptions.clear();
}
void NetworkServiceRunner::detachFromServer()
{
m->mProcess = NIL_RTPROCESS;
}
int NetworkServiceRunner::start(bool aKillProcOnStop)
{
if (isRunning())
return VINF_ALREADY_INITIALIZED;
const char * args[10*2];
AssertReturn(m->mOptions.size() < 10, VERR_INTERNAL_ERROR);
/* get the path to the executable */
char exePathBuf[RTPATH_MAX];
const char *exePath = RTProcGetExecutablePath(exePathBuf, RTPATH_MAX);
char *substrSl = strrchr(exePathBuf, '/');
char *substrBs = strrchr(exePathBuf, '\\');
char *suffix = substrSl ? substrSl : substrBs;
if (suffix)
{
suffix++;
strcpy(suffix, m->mProcName);
}
int index = 0;
args[index++] = exePath;
std::map<std::string, std::string>::const_iterator it;
for(it = m->mOptions.begin(); it != m->mOptions.end(); ++it)
{
args[index++] = it->first.c_str();
args[index++] = it->second.c_str();
}
args[index++] = NULL;
int rc = RTProcCreate(suffix ? exePath : m->mProcName, args, RTENV_DEFAULT, 0, &m->mProcess);
if (RT_FAILURE(rc))
m->mProcess = NIL_RTPROCESS;
m->mKillProcOnStop = aKillProcOnStop;
return rc;
}
int NetworkServiceRunner::stop()
{
/*
* If the process already terminated, this function will also grab the exit
* status and transition the process out of zombie status.
*/
if (!isRunning())
return VINF_OBJECT_DESTROYED;
bool fDoKillProc = true;
if (!m->mKillProcOnStop)
{
/*
* This is a VBoxSVC Main client. Do NOT kill it but assume it was shut
* down politely. Wait up to 1 second until the process is killed before
* doing the final hard kill.
*/
int rc = VINF_SUCCESS;
for (unsigned int i = 0; i < 100; i++)
{
rc = RTProcWait(m->mProcess, RTPROCWAIT_FLAGS_NOBLOCK, NULL);
if (RT_SUCCESS(rc))
break;
RTThreadSleep(10);
}
if (rc != VERR_PROCESS_RUNNING)
fDoKillProc = false;
}
if (fDoKillProc)
{
RTProcTerminate(m->mProcess);
int rc = RTProcWait(m->mProcess, RTPROCWAIT_FLAGS_BLOCK, NULL);
NOREF(rc);
}
m->mProcess = NIL_RTPROCESS;
return VINF_SUCCESS;
}
bool NetworkServiceRunner::isRunning()
{
if (m->mProcess == NIL_RTPROCESS)
return false;
RTPROCSTATUS status;
int rc = RTProcWait(m->mProcess, RTPROCWAIT_FLAGS_NOBLOCK, &status);
if (rc == VERR_PROCESS_RUNNING)
return true;
m->mProcess = NIL_RTPROCESS;
return false;
}
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