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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 jsonrpc_udpclient.cpp
* \brief JSON-RPC UDP client.
* \author Sebastien Vincent
*/
#include "jsonrpc_udpclient.h"
#include "netstring.h"
namespace Json
{
namespace Rpc
{
UdpClient::UdpClient(const std::string& address, uint16_t port) : Client(address, port)
{
m_protocol = networking::UDP;
}
UdpClient::~UdpClient()
{
}
ssize_t UdpClient::Send(const std::string& data)
{
std::string rep = data;
/* encoding if any */
if(GetEncapsulatedFormat() == Json::Rpc::NETSTRING)
{
rep = netstring::encode(rep);
}
return ::sendto(m_sock, rep.c_str(), rep.length(), 0,
(struct sockaddr*)&m_sockaddr, m_sockaddrlen);
}
ssize_t UdpClient::Recv(std::string& data)
{
char buf[1500];
ssize_t nb = -1;
if((nb = ::recvfrom(m_sock, buf, sizeof(buf), 0, NULL, NULL)) == -1)
{
std::cerr << "Error while receiving" << std::endl;
return -1;
}
data = std::string(buf, nb);
/* decoding if any */
if(GetEncapsulatedFormat() == Json::Rpc::NETSTRING)
{
try
{
data = netstring::decode(data);
}
catch(const netstring::NetstringException& e)
{
std::cerr << e.what() << std::endl;
}
}
return nb;
}
} /* namespace Rpc */
} /* namespace Json */
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