/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Pmc

*

*/

#include <sys/types.h>

#include <signal.h>

#include <sys/wait.h>

#include <errno.h>

#include <string.h>

#include <stdlib.h>

#include "logger.h"

#include "pmc.h"

#include "processmanagementeventsinterface.h"

#include "coreinterface.h"

namespace java

{

namespace captain

{

Pmc::Pmc()

{

    JELOG4(EJavaCaptain, EInfo);

}

Pmc::~Pmc()

{

    JELOG4(EJavaCaptain, EInfo);

}

bool Pmc::start(CoreInterface* /*aCore*/,

                ProcessManagementEventsInterface* /*aProcessManagementEventsDispatcher*/)

{

    JELOG4(EJavaCaptain, EInfo);

    return true;

}

bool Pmc::stop()

{

    JELOG4(EJavaCaptain, EInfo);

    return true;

}

int Pmc::launch(const cmdLine_t& cmdLine, const int& /*options*/)

{

    JELOG4(EJavaCaptain, EInfo);

    int status = 0, pid = 0;

    if (!(pid = fork()))

    {

        sigset_t unblock;

        sigemptyset(&unblock);

        sigaddset(&unblock, SIGINT);

        int rc = pthread_sigmask(SIG_UNBLOCK, &unblock, NULL);

        if (rc)

        {

            ELOG1(EJavaCaptain, "pthread_sigmask(UNBLOCK) for a child failed with %d", rc);

        }

        char** av = new char*[cmdLine.size() + 1];

        unsigned int index;

        for (index = 0; index < cmdLine.size() ; index++)

        {

            av[index] = const_cast<char*>(cmdLine[index].c_str());

            LOG1(EJavaCaptain, EInfo, "Launch command line is: %s", av[index]);

        }

        av[index] = NULL;

        status = execvp(av[0], av);

        if (status == -1)

        {

            LOG1(EJavaCaptain, EError, "execvp() returned %d", status);

            LOG2(EJavaCaptain, EError, "can't start %s, error message: %s", av[0], strerror(errno));

        }

        else

        {

            LOG1(EJavaCaptain, EInfo, "execvp() returned %d", status);

        }

        delete [] av;

        exit(status);

    }

    return pid;

}

int Pmc::terminate(const int& pid)

{

    JELOG4(EJavaCaptain, EInfo);

    LOG1(EJavaCaptain, EInfo, "kill(pid=%d, SIGINT)", pid);

    ::kill(pid, SIGINT);

    return 0;

}

int Pmc::kill(const int& pid)

{

    JELOG4(EJavaCaptain, EInfo);

    LOG1(EJavaCaptain, EInfo, "kill(pid=%d, SIGKILL)", pid);

    ::kill(pid, SIGKILL);

    return 0;

}

} // namespace captain

} // namespace java