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// Copyright 2019 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.
#ifndef COMPONENTS_OPENSCREEN_PLATFORM_TLS_CONNECTION_FACTORY_H_
#define COMPONENTS_OPENSCREEN_PLATFORM_TLS_CONNECTION_FACTORY_H_
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/tcp_socket.mojom.h"
#include "services/network/public/mojom/tls_socket.mojom.h"
#include "third_party/openscreen/src/platform/api/tls_connection_factory.h"
#include "third_party/openscreen/src/platform/base/ip_address.h"
#include "third_party/openscreen/src/platform/base/tls_connect_options.h"
namespace net {
class IPEndPoint;
}
namespace openscreen {
class TaskRunner;
struct TlsCredentials;
struct TlsListenOptions;
} // namespace openscreen
namespace openscreen_platform {
class TlsConnectionFactory final : public openscreen::TlsConnectionFactory {
public:
TlsConnectionFactory(openscreen::TlsConnectionFactory::Client* client,
openscreen::TaskRunner* task_runner);
~TlsConnectionFactory() final;
// TlsConnectionFactory overrides
void Connect(const openscreen::IPEndpoint& remote_address,
const openscreen::TlsConnectOptions& options) final;
// Since Chrome doesn't implement TLS server sockets, these methods are not
// implemented.
void SetListenCredentials(
const openscreen::TlsCredentials& credentials) final;
void Listen(const openscreen::IPEndpoint& local_address,
const openscreen::TlsListenOptions& options) final;
private:
// Note on TcpConnectRequest and TlsUpgradeRequest:
// These classes are used to manage connection state for creating TCP.
// connections and upgrading them to TLS. They are movable, but not copyable,
// due to unique ownership of the mojo::Remotes, and passed into the TCP/TLS
// callbacks (OnTcpConnect and OnTlsUpgrade) using currying.
struct TcpConnectRequest {
TcpConnectRequest(
openscreen::TlsConnectOptions options_in,
openscreen::IPEndpoint remote_address_in,
mojo::Remote<network::mojom::TCPConnectedSocket> tcp_socket_in);
TcpConnectRequest(const TcpConnectRequest&) = delete;
TcpConnectRequest(TcpConnectRequest&&);
TcpConnectRequest& operator=(const TcpConnectRequest&) = delete;
TcpConnectRequest& operator=(TcpConnectRequest&&);
~TcpConnectRequest();
openscreen::TlsConnectOptions options;
openscreen::IPEndpoint remote_address;
mojo::Remote<network::mojom::TCPConnectedSocket> tcp_socket;
};
struct TlsUpgradeRequest {
TlsUpgradeRequest(
openscreen::IPEndpoint local_address_in,
openscreen::IPEndpoint remote_address_in,
mojo::Remote<network::mojom::TCPConnectedSocket> tcp_socket_in,
mojo::Remote<network::mojom::TLSClientSocket> tls_socket_in);
TlsUpgradeRequest(const TlsUpgradeRequest&) = delete;
TlsUpgradeRequest(TlsUpgradeRequest&&);
TlsUpgradeRequest& operator=(const TlsUpgradeRequest&) = delete;
TlsUpgradeRequest& operator=(TlsUpgradeRequest&&);
~TlsUpgradeRequest();
openscreen::IPEndpoint local_address;
openscreen::IPEndpoint remote_address;
mojo::Remote<network::mojom::TCPConnectedSocket> tcp_socket;
mojo::Remote<network::mojom::TLSClientSocket> tls_socket;
};
void OnTcpConnect(TcpConnectRequest request,
int32_t net_result,
const absl::optional<net::IPEndPoint>& local_address,
const absl::optional<net::IPEndPoint>& remote_address,
mojo::ScopedDataPipeConsumerHandle receive_stream,
mojo::ScopedDataPipeProducerHandle send_stream);
void OnTlsUpgrade(TlsUpgradeRequest request,
int32_t net_result,
mojo::ScopedDataPipeConsumerHandle receive_stream,
mojo::ScopedDataPipeProducerHandle send_stream,
const absl::optional<net::SSLInfo>& ssl_info);
openscreen::TlsConnectionFactory::Client* client_;
openscreen::TaskRunner* const task_runner_;
base::WeakPtrFactory<TlsConnectionFactory> weak_factory_{this};
};
} // namespace openscreen_platform
#endif // COMPONENTS_OPENSCREEN_PLATFORM_TLS_CONNECTION_FACTORY_H_
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