191 lines
3.4 KiB
C++
191 lines
3.4 KiB
C++
//
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// VMime library (http://vmime.sourceforge.net)
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// Copyright (C) 2002-2004 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program 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 GNU
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// 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 this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include "socket.hpp"
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include "../../exception.hpp"
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#if VMIME_HAVE_MESSAGING_FEATURES
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namespace vmime {
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namespace platforms {
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namespace posix {
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//
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// posixSocket
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//
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posixSocket::posixSocket()
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: m_desc(-1)
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{
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}
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posixSocket::~posixSocket()
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{
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if (m_desc != -1)
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::close(m_desc);
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}
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void posixSocket::connect(const vmime::string& address, const vmime::port_t port)
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{
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// Close current connection, if any
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if (m_desc != -1)
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{
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::close(m_desc);
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m_desc = -1;
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}
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// Resolve address
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::sockaddr_in addr;
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons((unsigned short) port);
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addr.sin_addr.s_addr = ::inet_addr(address.c_str());
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if (addr.sin_addr.s_addr == (::in_addr_t) -1)
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{
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::hostent* hostInfo = (hostent*) ::gethostbyname(address.c_str());
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if (hostInfo == NULL)
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{
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// Error: cannot resolve address
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throw vmime::exceptions::connection_error();
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}
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bcopy(hostInfo->h_addr, (char*) &addr.sin_addr, hostInfo->h_length);
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}
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else
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{
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// Error: cannot resolve address
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throw vmime::exceptions::connection_error();
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}
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// Get a new socket
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m_desc = ::socket(AF_INET, SOCK_STREAM, 0);
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if (m_desc == -1)
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throw vmime::exceptions::connection_error();
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// Start connection
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if (::connect(m_desc, (sockaddr*) &addr, sizeof(addr)) == -1)
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{
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::close(m_desc);
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m_desc = -1;
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// Error
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throw vmime::exceptions::connection_error();
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}
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}
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const bool posixSocket::isConnected() const
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{
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return (m_desc != -1);
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}
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void posixSocket::disconnect()
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{
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if (m_desc != -1)
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{
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::shutdown(m_desc, SHUT_RDWR);
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::close(m_desc);
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m_desc = -1;
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}
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}
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void posixSocket::receive(vmime::string& buffer)
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{
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::ssize_t ret = ::recv(m_desc, m_buffer, sizeof(m_buffer), 0);
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if (ret == -1)
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{
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// Error or no data
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return;
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}
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else if (ret > 0)
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{
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buffer = vmime::string(m_buffer, ret);
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}
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}
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const int posixSocket::receiveRaw(char* buffer, const int count)
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{
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::ssize_t ret = ::recv(m_desc, buffer, count, 0);
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if (ret == -1)
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{
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// Error or no data
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return (0);
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}
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else
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{
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return (ret);
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}
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}
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void posixSocket::send(const vmime::string& buffer)
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{
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::send(m_desc, buffer.data(), buffer.length(), 0);
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}
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void posixSocket::sendRaw(const char* buffer, const int count)
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{
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::send(m_desc, buffer, count, 0);
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}
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//
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// posixSocketFactory
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//
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vmime::messaging::socket* posixSocketFactory::create()
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{
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return new posixSocket();
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}
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} // posix
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} // platforms
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} // vmime
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#endif // VMIME_HAVE_MESSAGING_FEATURES
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