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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(_MSC_VER) && _MSC_VER < 1300
#pragma warning(disable:4786)
#endif
#include "talk/base/logging.h"
#include "talk/p2p/base/udpport.h"
#include <iostream>
#include <cassert>
#if defined(_MSC_VER) && _MSC_VER < 1300
namespace std {
using ::strerror;
}
#endif
#ifdef POSIX
extern "C" {
#include <errno.h>
}
#endif // POSIX
namespace cricket {
const std::string LOCAL_PORT_TYPE("local");
UDPPort::UDPPort(Thread* thread, SocketFactory* factory, Network* network,
const SocketAddress& address)
: Port(thread, LOCAL_PORT_TYPE, factory, network), error_(0) {
socket_ = CreatePacketSocket(PROTO_UDP);
socket_->SignalReadPacket.connect(this, &UDPPort::OnReadPacketSlot);
if (socket_->Bind(address) < 0)
PLOG(LERROR, socket_->GetError()) << "bind";
}
UDPPort::UDPPort(Thread* thread, const std::string &type,
SocketFactory* factory, Network* network)
: Port(thread, type, factory, network), socket_(0), error_(0) {
}
UDPPort::~UDPPort() {
delete socket_;
}
void UDPPort::PrepareAddress() {
assert(socket_);
add_address(socket_->GetLocalAddress(), "udp");
}
Connection* UDPPort::CreateConnection(const Candidate& address, CandidateOrigin origin) {
if (address.protocol() != "udp")
return 0;
Connection * conn = new ProxyConnection(this, 0, address);
AddConnection(conn);
return conn;
}
int UDPPort::SendTo(const void* data, size_t size, const SocketAddress& addr, bool payload) {
assert(socket_);
int sent = socket_->SendTo(data, size, addr);
if (sent < 0)
error_ = socket_->GetError();
return sent;
}
int UDPPort::SetOption(Socket::Option opt, int value) {
return socket_->SetOption(opt, value);
}
int UDPPort::GetError() {
assert(socket_);
return error_;
}
void UDPPort::OnReadPacketSlot(
const char* data, size_t size, const SocketAddress& remote_addr,
AsyncPacketSocket* socket) {
assert(socket == socket_);
OnReadPacket(data, size, remote_addr);
}
void UDPPort::OnReadPacket(
const char* data, size_t size, const SocketAddress& remote_addr) {
if (Connection* conn = GetConnection(remote_addr)) {
conn->OnReadPacket(data, size);
} else {
Port::OnReadPacket(data, size, remote_addr);
}
}
} // namespace cricket
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