93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/*
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* Copyright (C) Roland Jax 2012-2014 <roland.jax@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#include "tcpsocket.h"
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#include <fcntl.h>
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#include <arpa/inet.h>
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#include <string.h>
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TCPSocket::TCPSocket(int sfd, struct sockaddr_in* address) : m_sfd(sfd)
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{
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char ip[17];
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inet_ntop(AF_INET, (struct in_addr*)&(address->sin_addr.s_addr), ip, sizeof(ip)-1);
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m_ip = ip;
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m_port = ntohs(address->sin_port);
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}
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bool TCPSocket::isValid()
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{
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if (fcntl(m_sfd, F_GETFL) == -1)
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return false;
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else
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return true;
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}
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int TCPListener::start()
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{
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if (m_listening == true)
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return 0;
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m_lfd = socket(AF_INET, SOCK_STREAM, 0);
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struct sockaddr_in address;
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memset(&address, 0, sizeof(address));
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address.sin_family = AF_INET;
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address.sin_port = htons(m_port);
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if (m_address.size() > 0)
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inet_pton(AF_INET, m_address.c_str(), &(address.sin_addr));
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else
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address.sin_addr.s_addr = INADDR_ANY;
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int optval = 1;
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setsockopt(m_lfd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
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int result = bind(m_lfd, (struct sockaddr*) &address, sizeof(address));
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if (result != 0)
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return result;
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result = listen(m_lfd, 5);
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if (result != 0)
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return result;
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m_listening = true;
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return result;
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}
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TCPSocket* TCPListener::newSocket()
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{
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if (m_listening == false)
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return NULL;
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struct sockaddr_in address;
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socklen_t len = sizeof(address);
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memset(&address, 0, sizeof(address));
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int sfd = accept(m_lfd, (struct sockaddr*) &address, &len);
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if (sfd < 0)
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return NULL;
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return new TCPSocket(sfd, &address);
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}
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