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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DIRECT_SOCKETS_DIRECT_SOCKETS_SERVICE_IMPL_H_
#define CONTENT_BROWSER_DIRECT_SOCKETS_DIRECT_SOCKETS_SERVICE_IMPL_H_
#include <variant>
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/public/browser/child_process_id.h"
#include "content/public/browser/render_frame_host.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "net/base/address_list.h"
#include "net/dns/public/host_resolver_results.h"
#include "third_party/blink/public/mojom/direct_sockets/direct_sockets.mojom.h"
namespace network {
class SimpleHostResolver;
namespace mojom {
class NetworkContext;
} // namespace mojom
} // namespace network
namespace content {
class ServiceWorkerVersion;
class SharedWorkerHost;
// Implementation of the DirectSocketsService Mojo service.
class CONTENT_EXPORT DirectSocketsServiceImpl
: public blink::mojom::DirectSocketsService {
public:
using Context = std::variant<const raw_ptr<RenderFrameHost>,
base::WeakPtr<SharedWorkerHost>,
base::WeakPtr<ServiceWorkerVersion>>;
~DirectSocketsServiceImpl() override;
static void CreateForFrame(
RenderFrameHost*,
mojo::PendingReceiver<blink::mojom::DirectSocketsService> receiver);
static void CreateForSharedWorker(
SharedWorkerHost&,
mojo::PendingReceiver<blink::mojom::DirectSocketsService> receiver);
static void CreateForServiceWorker(
ServiceWorkerVersion&,
mojo::PendingReceiver<blink::mojom::DirectSocketsService> receiver);
// blink::mojom::DirectSocketsService:
void OpenTCPSocket(
blink::mojom::DirectTCPSocketOptionsPtr options,
mojo::PendingReceiver<network::mojom::TCPConnectedSocket> socket,
mojo::PendingRemote<network::mojom::SocketObserver> observer,
OpenTCPSocketCallback callback) override;
void OpenConnectedUDPSocket(
blink::mojom::DirectConnectedUDPSocketOptionsPtr options,
mojo::PendingReceiver<network::mojom::RestrictedUDPSocket> receiver,
mojo::PendingRemote<network::mojom::UDPSocketListener> listener,
OpenConnectedUDPSocketCallback callback) override;
void OpenBoundUDPSocket(
blink::mojom::DirectBoundUDPSocketOptionsPtr options,
mojo::PendingReceiver<network::mojom::RestrictedUDPSocket> receiver,
mojo::PendingRemote<network::mojom::UDPSocketListener> listener,
OpenBoundUDPSocketCallback callback) override;
void OpenTCPServerSocket(
blink::mojom::DirectTCPServerSocketOptionsPtr options,
mojo::PendingReceiver<network::mojom::TCPServerSocket> socket,
OpenTCPServerSocketCallback callback) override;
// Testing:
static void SetNetworkContextForTesting(network::mojom::NetworkContext*);
#if BUILDFLAG(IS_CHROMEOS)
static void SetAlwaysOpenFirewallHoleForTesting();
#endif // BUILDFLAG(IS_CHROMEOS)
private:
explicit DirectSocketsServiceImpl(Context context);
// Might return nullptr.
network::mojom::NetworkContext* GetNetworkContext() const;
void OnResolveCompleteForTCPSocket(
blink::mojom::DirectTCPSocketOptionsPtr,
mojo::PendingReceiver<network::mojom::TCPConnectedSocket>,
mojo::PendingRemote<network::mojom::SocketObserver>,
OpenTCPSocketCallback,
int result,
const net::ResolveErrorInfo&,
const std::optional<net::AddressList>& resolved_addresses,
const std::optional<net::HostResolverEndpointResults>&);
void CreateTCPConnectedSocketImpl(
const net::AddressList& resolved_addresses,
network::mojom::TCPConnectedSocketOptionsPtr options,
mojo::PendingReceiver<network::mojom::TCPConnectedSocket>,
mojo::PendingRemote<network::mojom::SocketObserver>,
OpenTCPSocketCallback);
void OnResolveCompleteForUDPSocket(
blink::mojom::DirectConnectedUDPSocketOptionsPtr,
mojo::PendingReceiver<network::mojom::RestrictedUDPSocket>,
mojo::PendingRemote<network::mojom::UDPSocketListener>,
OpenConnectedUDPSocketCallback,
int result,
const net::ResolveErrorInfo&,
const std::optional<net::AddressList>& resolved_addresses,
const std::optional<net::HostResolverEndpointResults>&);
void CreateRestrictedUDPSocketImpl(
const net::IPEndPoint& peer_addr,
network::mojom::RestrictedUDPSocketMode mode,
network::mojom::RestrictedUDPSocketParamsPtr options,
mojo::PendingReceiver<network::mojom::RestrictedUDPSocket>,
mojo::PendingRemote<network::mojom::UDPSocketListener>,
base::OnceCallback<void(int32_t, const std::optional<net::IPEndPoint>&)>
callback);
Context context_;
std::unique_ptr<network::SimpleHostResolver> resolver_;
#if BUILDFLAG(IS_CHROMEOS)
class FirewallHoleDelegate;
std::unique_ptr<FirewallHoleDelegate> firewall_hole_delegate_;
#endif // BUILDFLAG(IS_CHROMEOS)
base::WeakPtrFactory<DirectSocketsServiceImpl> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_DIRECT_SOCKETS_DIRECT_SOCKETS_SERVICE_IMPL_H_
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