/*

 * Copyright (C) 2004-2023 ZNC, see the NOTICE file for details.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef ZNC_EXECSOCK_H

#define ZNC_EXECSOCK_H

#include <znc/zncconfig.h>

#include <znc/Socket.h>

#include <signal.h>

//! @author imaginos@imaginos.net

class CExecSock : public CZNCSock {

  public:

    CExecSock() : CZNCSock(0), m_iPid(-1) {}

    int Execute(const CString& sExec) {

        int iReadFD, iWriteFD;

        m_iPid = popen2(iReadFD, iWriteFD, sExec);

        if (m_iPid != -1) {

            ConnectFD(iReadFD, iWriteFD, "0.0.0.0:0");

        }

        return (m_iPid);

    }

    void Kill(int iSignal) {

        kill(m_iPid, iSignal);

        Close();

    }

    virtual ~CExecSock() {

        close2(m_iPid, GetRSock(), GetWSock());

        SetRSock(-1);

        SetWSock(-1);

    }

    int popen2(int& iReadFD, int& iWriteFD, const CString& sCommand);

    void close2(int iPid, int iReadFD, int iWriteFD);

  private:

    int m_iPid;

};

#endif  // !ZNC_EXECSOCK_H