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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/services/network/tcp_bound_socket_impl.h"
#include <utility>
#include "mojo/services/network/net_adapters.h"
#include "mojo/services/network/net_address_type_converters.h"
#include "mojo/services/network/tcp_connected_socket_impl.h"
#include "mojo/services/network/tcp_server_socket_impl.h"
#include "net/base/net_errors.h"
namespace mojo {
TCPBoundSocketImpl::TCPBoundSocketImpl(
scoped_ptr<mojo::AppRefCount> app_refcount,
InterfaceRequest<TCPBoundSocket> request)
: app_refcount_(std::move(app_refcount)),
binding_(this, std::move(request)) {}
TCPBoundSocketImpl::~TCPBoundSocketImpl() {
}
int TCPBoundSocketImpl::Bind(NetAddressPtr local_address) {
net::IPEndPoint end_point = local_address.To<net::IPEndPoint>();
socket_.reset(new net::TCPSocket(NULL, net::NetLog::Source()));
int result = socket_->Open(end_point.GetFamily());
if (result != net::OK)
return result;
result = socket_->SetDefaultOptionsForServer();
if (result != net::OK)
return result;
result = socket_->Bind(end_point);
if (result != net::OK)
return result;
return net::OK;
}
NetAddressPtr TCPBoundSocketImpl::GetLocalAddress() const {
net::IPEndPoint resolved_local_address;
if (socket_->GetLocalAddress(&resolved_local_address) != net::OK)
return NetAddressPtr();
return NetAddress::From(resolved_local_address);
}
void TCPBoundSocketImpl::StartListening(
InterfaceRequest<TCPServerSocket> server,
const Callback<void(NetworkErrorPtr)>& callback) {
if (!socket_ || pending_connect_socket_.is_pending()) {
// A bound socket will only be returned to the caller after binding
// succeeds, so if the socket doesn't exist, that means ownership was
// already passed to a server socket or client socket.
callback.Run(MakeNetworkError(net::ERR_FAILED));
return;
}
// TODO(brettw) set the backlog properly.
int result = socket_->Listen(4);
if (result != net::OK) {
callback.Run(MakeNetworkError(result));
return;
}
// The server socket object takes ownership of the socket.
new TCPServerSocketImpl(std::move(socket_), app_refcount_->Clone(),
std::move(server));
callback.Run(MakeNetworkError(net::OK));
}
void TCPBoundSocketImpl::Connect(
NetAddressPtr remote_address,
ScopedDataPipeConsumerHandle send_stream,
ScopedDataPipeProducerHandle receive_stream,
InterfaceRequest<TCPConnectedSocket> client_socket,
const Callback<void(NetworkErrorPtr)>& callback) {
if (!socket_ || pending_connect_socket_.is_pending()) {
// A bound socket will only be returned to the caller after binding
// succeeds, so if the socket doesn't exist, that means ownership was
// already passed to a server socket or client socket.
callback.Run(MakeNetworkError(net::ERR_FAILED));
return;
}
net::IPEndPoint end_point = remote_address.To<net::IPEndPoint>();
pending_connect_send_stream_ = std::move(send_stream);
pending_connect_receive_stream_ = std::move(receive_stream);
pending_connect_socket_ = std::move(client_socket);
pending_connect_callback_ = callback;
int result = socket_->Connect(
end_point,
base::Bind(&TCPBoundSocketImpl::OnConnected, base::Unretained(this)));
if (result == net::OK) {
OnConnected(result);
} else if (result != net::ERR_IO_PENDING) {
// Error occurred.
pending_connect_send_stream_.reset();
pending_connect_receive_stream_.reset();
pending_connect_socket_ = InterfaceRequest<TCPConnectedSocket>();
pending_connect_callback_ = Callback<void(NetworkErrorPtr)>();
callback.Run(MakeNetworkError(result));
}
}
void TCPBoundSocketImpl::OnConnected(int result) {
if (result == net::OK) {
new TCPConnectedSocketImpl(
std::move(socket_), std::move(pending_connect_send_stream_),
std::move(pending_connect_receive_stream_),
std::move(pending_connect_socket_), app_refcount_->Clone());
} else {
pending_connect_send_stream_.reset();
pending_connect_receive_stream_.reset();
pending_connect_socket_ = InterfaceRequest<TCPConnectedSocket>();
}
pending_connect_callback_.Run(MakeNetworkError(result));
pending_connect_callback_ = Callback<void(NetworkErrorPtr)>();
}
} // namespace mojo
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