ExecSock.h

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/*
 * Copyright (C) 2004-2014 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 EXEC_SOCK_H
#define EXEC_SOCK_H

#include <znc/zncconfig.h>
#include <znc/Socket.h>
#include <signal.h>

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 // !EXEC_SOCK_H