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// Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
// $Id$
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <asio.hpp>
#include "fd_share.h"
#include "xfrout_client.h"
using namespace std;
using asio::local::stream_protocol;
namespace isc {
namespace xfr {
struct XfroutClientImpl {
XfroutClientImpl(const string& file);
const std::string file_path_;
asio::io_service io_service_;
// The socket used to communicate with the xfrout server.
stream_protocol::socket socket_;
};
XfroutClientImpl::XfroutClientImpl(const string& file) :
file_path_(file), socket_(io_service_)
{}
XfroutClient::XfroutClient(const string& file) :
impl_(new XfroutClientImpl(file))
{}
XfroutClient::~XfroutClient()
{
delete impl_;
}
void
XfroutClient::connect() {
impl_->socket_.connect(stream_protocol::endpoint(impl_->file_path_));
}
void
XfroutClient::disconnect() {
impl_->socket_.close();
}
int
XfroutClient::sendXfroutRequestInfo(const int tcp_sock, uint8_t* msg_data,
const uint16_t msg_len)
{
if (-1 == send_fd(impl_->socket_.native(), tcp_sock)) {
isc_throw(XfroutError,
"Fail to send socket descriptor to xfrout module");
}
// XXX: this shouldn't be blocking send, even though it's unlikely to block.
const uint8_t lenbuf[2] = { msg_len >> 8, msg_len & 0xff };
if (send(impl_->socket_.native(), lenbuf, sizeof(lenbuf), 0) !=
sizeof(lenbuf)) {
isc_throw(XfroutError,
"failed to send XFR request length to xfrout module");
}
if (send(impl_->socket_.native(), msg_data, msg_len, 0) != msg_len) {
isc_throw(XfroutError,
"failed to send XFR request data to xfrout module");
}
int databuf = 0;
if (recv(impl_->socket_.native(), &databuf, sizeof(int), 0) != 0) {
isc_throw(XfroutError,
"xfr query hasn't been processed properly by xfrout module");
}
return 0;
}
} // End for xfr
} // End for isc
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