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// Copyright 2018 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 PLATFORM_IMPL_TLS_CONNECTION_POSIX_H_
#define PLATFORM_IMPL_TLS_CONNECTION_POSIX_H_
#include <openssl/ssl.h>
#include <memory>
#include "platform/api/tls_connection.h"
#include "platform/impl/platform_client_posix.h"
#include "platform/impl/stream_socket_posix.h"
#include "platform/impl/tls_write_buffer.h"
#include "util/weak_ptr.h"
namespace openscreen {
class TaskRunner;
class TlsConnectionFactoryPosix;
class TlsConnectionPosix : public TlsConnection {
public:
~TlsConnectionPosix() override;
// Sends any available bytes from this connection's buffer_.
virtual void SendAvailableBytes();
// Read out a block/message, if one is available, and notify this instance's
// TlsConnection::Client.
virtual void TryReceiveMessage();
// TlsConnection overrides.
void SetClient(Client* client) override;
bool Send(const void* data, size_t len) override;
IPEndpoint GetRemoteEndpoint() const override;
// Registers |this| with the platform TlsDataRouterPosix. This is called
// automatically by TlsConnectionFactoryPosix after the handshake completes.
void RegisterConnectionWithDataRouter(PlatformClientPosix* platform_client);
const SocketHandle& socket_handle() const { return socket_->socket_handle(); }
protected:
friend class TlsConnectionFactoryPosix;
TlsConnectionPosix(IPEndpoint local_address, TaskRunner* task_runner);
TlsConnectionPosix(IPAddress::Version version, TaskRunner* task_runner);
TlsConnectionPosix(std::unique_ptr<StreamSocket> socket,
TaskRunner* task_runner);
private:
// Called on any thread, to post a task to notify the Client that an |error|
// has occurred.
void DispatchError(Error error);
TaskRunner* const task_runner_;
PlatformClientPosix* platform_client_ = nullptr;
Client* client_ = nullptr;
std::unique_ptr<StreamSocket> socket_;
bssl::UniquePtr<SSL> ssl_;
TlsWriteBuffer buffer_;
WeakPtrFactory<TlsConnectionPosix> weak_factory_{this};
OSP_DISALLOW_COPY_AND_ASSIGN(TlsConnectionPosix);
};
} // namespace openscreen
#endif // PLATFORM_IMPL_TLS_CONNECTION_POSIX_H_