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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
#define RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
#include <cstddef>
#include <utility>
#include "absl/functional/any_invocable.h"
#include "rtc_base/sigslot_trampoline.h"
#include "rtc_base/socket.h"
#include "rtc_base/socket_adapters.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/third_party/sigslot/sigslot.h"
namespace webrtc {
// Interface for implementing proxy server sockets.
class AsyncProxyServerSocket : public BufferedReadAdapter {
public:
AsyncProxyServerSocket(Socket* socket, size_t buffer_size);
~AsyncProxyServerSocket() override;
sigslot::signal2<AsyncProxyServerSocket*, const SocketAddress&>
SignalConnectRequest;
void SubscribeConnectRequest(
absl::AnyInvocable<void(AsyncProxyServerSocket*, const SocketAddress&)>
callback) {
connect_request_trampoline_.Subscribe(std::move(callback));
}
void NotifyConnectRequest(AsyncProxyServerSocket* socket,
const SocketAddress& socket_address) {
SignalConnectRequest(socket, socket_address);
}
virtual void SendConnectResult(int err, const SocketAddress& addr) = 0;
private:
SignalTrampoline<AsyncProxyServerSocket,
&AsyncProxyServerSocket::SignalConnectRequest>
connect_request_trampoline_;
};
// Implements a socket adapter that performs the server side of a
// fake SSL handshake. Used when implementing a relay server that does "ssltcp".
class AsyncSSLServerSocket : public BufferedReadAdapter {
public:
explicit AsyncSSLServerSocket(Socket* socket);
AsyncSSLServerSocket(const AsyncSSLServerSocket&) = delete;
AsyncSSLServerSocket& operator=(const AsyncSSLServerSocket&) = delete;
protected:
void ProcessInput(char* data, size_t* len) override;
};
} // namespace webrtc
#endif // RTC_BASE_SERVER_SOCKET_ADAPTERS_H_
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