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/*
* JsonRpc-Cpp - JSON-RPC implementation.
* Copyright (C) 2008-2011 Sebastien Vincent <sebastien.vincent@cppextrem.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file networking.h
* \brief Networking utils.
* \author Sebastien Vincent
*/
#ifndef NETWORKING_H
#define NETWORKING_H
#ifdef _WIN32
#ifndef _MSC_VER
#include <stdint.h>
#endif
#include <windows.h>
#include <winsock2.h>
/* to use getaddrinfo, _WIN32_WINNT have to
* equal at least 0x0501
*/
#define OLD_WIN32_WINNT _WIN32_WINNT
#if (_WIN32_WINNT < 0x0501)
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x501
#endif
#include <ws2tcpip.h>
#if (_WIN32_WINNT != OLD_WIN32_WINNT)
#undef _WIN32_WINNT
#define _WIN32_WINNT OLD_WIN32_WINNT
#endif
typedef int socklen_t;
#define close closesocket
#else
#include <stdint.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netdb.h>
#endif
#include <string>
/**
* \namespace networking
* \brief Networking related functions.
*/
namespace networking
{
/**
* \enum TransportProtocol
* \brief Transport protocol.
*/
enum TransportProtocol
{
UDP = IPPROTO_UDP, /**< UDP protocol. */
TCP = IPPROTO_TCP /**< TCP protocol. */
};
/**
* \brief Initialize networking.
* \return true if network is correctly initialized, false otherwise
* \note On MS Windows, this step is mandatory to use
* socket API (socket(), bind(), recvfrom(), ...).
*/
bool init();
/**
* \brief Cleanup networking.
* \note On MS Windows, after calling this function,
* it will be impossible to use socket API.
*/
void cleanup();
/**
* \brief Connect to remote machine.
* \param protocol transport protocol used
* \param address remote address
* \param port remote port
* \param sockaddr if function succeed, sockaddr
* representation of address/port
* \param addrlen if function succeed, length of sockaddr
* \return socket descriptor if success, -1 otherwise
*/
int connect(enum TransportProtocol protocol, const std::string& address,
uint16_t port, struct sockaddr_storage* sockaddr, socklen_t* addrlen);
/**
* \brief Bind on a local address.
* \param protocol transport protocol used
* \param address local address
* \param port local port
* \param sockaddr if function succeed, sockaddr
* representation of address/port
* \param addrlen if function succeed, length of sockaddr
* \return socket descriptor if success, -1 otherwise
*/
int bind(enum TransportProtocol protocol, const std::string& address,
uint16_t port, struct sockaddr_storage* sockaddr, socklen_t* addrlen);
} /* namespace networking */
#endif /* NETWORKING_H */
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