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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_P2P_IPC_SOCKET_FACTORY_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_P2P_IPC_SOCKET_FACTORY_H_
#include <stdint.h>
#include "base/unguessable_token.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_persistent.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/webrtc/api/packet_socket_factory.h"
namespace blink {
class P2PSocketDispatcher;
// IpcPacketSocketFactory implements webrtc::PacketSocketFactory
// interface for libjingle using IPC-based P2P sockets. The class must
// be created and used on a thread that is a libjingle thread (implements
// webrtc::Thread) and also has associated base::MessageLoop. Each
// socket created by the factory must be used on the thread it was
// created on.
// The class needs to be destroyed on the libjingle network thread.
class IpcPacketSocketFactory : public webrtc::PacketSocketFactory {
public:
PLATFORM_EXPORT explicit IpcPacketSocketFactory(
WTF::CrossThreadFunction<
void(base::OnceCallback<void(std::optional<base::UnguessableToken>)>)>
devtools_token_getter,
P2PSocketDispatcher* socket_dispatcher,
const net::NetworkTrafficAnnotationTag& traffic_annotation,
bool batch_udp_packets);
IpcPacketSocketFactory(const IpcPacketSocketFactory&) = delete;
IpcPacketSocketFactory& operator=(const IpcPacketSocketFactory&) = delete;
~IpcPacketSocketFactory() override;
webrtc::AsyncPacketSocket* CreateUdpSocket(
const webrtc::SocketAddress& local_address,
uint16_t min_port,
uint16_t max_port) override;
webrtc::AsyncListenSocket* CreateServerTcpSocket(
const webrtc::SocketAddress& local_address,
uint16_t min_port,
uint16_t max_port,
int opts) override;
webrtc::AsyncPacketSocket* CreateClientTcpSocket(
const webrtc::SocketAddress& local_address,
const webrtc::SocketAddress& remote_address,
const webrtc::PacketSocketTcpOptions& opts) override;
std::unique_ptr<webrtc::AsyncDnsResolverInterface> CreateAsyncDnsResolver()
override;
private:
WTF::CrossThreadFunction<void(
base::OnceCallback<void(std::optional<base::UnguessableToken>)>)>
devtools_token_getter_;
const bool batch_udp_packets_;
// `P2PSocketDispatcher` is owned by the main thread, and must be accessed in
// a thread-safe way. `this` is indirectly owned by
// `PeerConnectionDependencyFactory`, which holds a hard reference to the
// dispatcher, so this should be never be null (with the possible exception of
// the dtor).
CrossThreadWeakPersistent<P2PSocketDispatcher> socket_dispatcher_;
const net::NetworkTrafficAnnotationTag traffic_annotation_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_P2P_IPC_SOCKET_FACTORY_H_
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