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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/async_udp_socket.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/async_udp_socket.h')
-rw-r--r-- | third_party/libwebrtc/rtc_base/async_udp_socket.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/async_udp_socket.h b/third_party/libwebrtc/rtc_base/async_udp_socket.h new file mode 100644 index 0000000000..4198b25c4d --- /dev/null +++ b/third_party/libwebrtc/rtc_base/async_udp_socket.h @@ -0,0 +1,78 @@ +/* + * 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_ASYNC_UDP_SOCKET_H_ +#define RTC_BASE_ASYNC_UDP_SOCKET_H_ + +#include <stddef.h> + +#include <cstdint> +#include <memory> + +#include "absl/types/optional.h" +#include "api/sequence_checker.h" +#include "rtc_base/async_packet_socket.h" +#include "rtc_base/socket.h" +#include "rtc_base/socket_address.h" +#include "rtc_base/socket_factory.h" +#include "rtc_base/system/no_unique_address.h" +#include "rtc_base/thread_annotations.h" + +namespace rtc { + +// Provides the ability to receive packets asynchronously. Sends are not +// buffered since it is acceptable to drop packets under high load. +class AsyncUDPSocket : public AsyncPacketSocket { + public: + // Binds `socket` and creates AsyncUDPSocket for it. Takes ownership + // of `socket`. Returns null if bind() fails (`socket` is destroyed + // in that case). + static AsyncUDPSocket* Create(Socket* socket, + const SocketAddress& bind_address); + // Creates a new socket for sending asynchronous UDP packets using an + // asynchronous socket from the given factory. + static AsyncUDPSocket* Create(SocketFactory* factory, + const SocketAddress& bind_address); + explicit AsyncUDPSocket(Socket* socket); + ~AsyncUDPSocket() = default; + + SocketAddress GetLocalAddress() const override; + SocketAddress GetRemoteAddress() const override; + int Send(const void* pv, + size_t cb, + const rtc::PacketOptions& options) override; + int SendTo(const void* pv, + size_t cb, + const SocketAddress& addr, + const rtc::PacketOptions& options) override; + int Close() override; + + State GetState() const override; + int GetOption(Socket::Option opt, int* value) override; + int SetOption(Socket::Option opt, int value) override; + int GetError() const override; + void SetError(int error) override; + + private: + // Called when the underlying socket is ready to be read from. + void OnReadEvent(Socket* socket); + // Called when the underlying socket is ready to send. + void OnWriteEvent(Socket* socket); + + RTC_NO_UNIQUE_ADDRESS webrtc::SequenceChecker sequence_checker_; + std::unique_ptr<Socket> socket_; + static constexpr int BUF_SIZE = 64 * 1024; + char buf_[BUF_SIZE] RTC_GUARDED_BY(sequence_checker_); + absl::optional<int64_t> socket_time_offset_ RTC_GUARDED_BY(sequence_checker_); +}; + +} // namespace rtc + +#endif // RTC_BASE_ASYNC_UDP_SOCKET_H_ |