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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 CAST_SENDER_CHANNEL_SENDER_SOCKET_FACTORY_H_
#define CAST_SENDER_CHANNEL_SENDER_SOCKET_FACTORY_H_
#include <set>
#include <utility>
#include <vector>
#include "cast/common/channel/cast_socket.h"
#include "cast/sender/channel/cast_auth_util.h"
#include "platform/api/logging.h"
#include "platform/api/tls_connection_factory.h"
#include "platform/base/ip_address.h"
namespace cast {
namespace channel {
using openscreen::Error;
using openscreen::IPEndpoint;
using openscreen::IPEndpointComparator;
using openscreen::platform::TlsConnection;
using openscreen::platform::TlsConnectionFactory;
class SenderSocketFactory final : public TlsConnectionFactory::Client,
public CastSocket::Client {
public:
class Client {
public:
virtual void OnConnected(SenderSocketFactory* factory,
const IPEndpoint& endpoint,
std::unique_ptr<CastSocket> socket) = 0;
virtual void OnError(SenderSocketFactory* factory,
const IPEndpoint& endpoint,
Error error) = 0;
};
enum class DeviceMediaPolicy {
kAudioOnly,
kIncludesVideo,
};
// |client| must outlive |this|.
explicit SenderSocketFactory(Client* client);
~SenderSocketFactory();
void set_factory(TlsConnectionFactory* factory) {
OSP_DCHECK(factory);
factory_ = factory;
}
void Connect(const IPEndpoint& endpoint,
DeviceMediaPolicy media_policy,
CastSocket::Client* client);
// TlsConnectionFactory::Client overrides.
void OnAccepted(TlsConnectionFactory* factory,
X509* peer_cert,
std::unique_ptr<TlsConnection> connection) override;
void OnConnected(TlsConnectionFactory* factory,
X509* peer_cert,
std::unique_ptr<TlsConnection> connection) override;
void OnConnectionFailed(TlsConnectionFactory* factory,
const IPEndpoint& remote_address) override;
void OnError(TlsConnectionFactory* factory, Error error) override;
private:
struct PendingConnection {
IPEndpoint endpoint;
DeviceMediaPolicy media_policy;
CastSocket::Client* client;
};
struct PendingAuth {
IPEndpoint endpoint;
DeviceMediaPolicy media_policy;
std::unique_ptr<CastSocket> socket;
CastSocket::Client* client;
AuthContext auth_context;
X509* peer_cert;
};
friend bool operator<(const std::unique_ptr<PendingAuth>& a, uint32_t b);
friend bool operator<(uint32_t a, const std::unique_ptr<PendingAuth>& b);
std::vector<PendingConnection>::iterator FindPendingConnection(
const IPEndpoint& endpoint);
// CastSocket::Client overrides.
void OnError(CastSocket* socket, Error error) override;
void OnMessage(CastSocket* socket, CastMessage message) override;
Client* const client_;
TlsConnectionFactory* factory_ = nullptr;
std::vector<PendingConnection> pending_connections_;
std::vector<std::unique_ptr<PendingAuth>> pending_auth_;
};
} // namespace channel
} // namespace cast
#endif // CAST_SENDER_CHANNEL_SENDER_SOCKET_FACTORY_H_
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