From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/libwebrtc/rtc_base/socket.h | 147 ++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 third_party/libwebrtc/rtc_base/socket.h (limited to 'third_party/libwebrtc/rtc_base/socket.h') diff --git a/third_party/libwebrtc/rtc_base/socket.h b/third_party/libwebrtc/rtc_base/socket.h new file mode 100644 index 0000000000..0ed3a7fa6a --- /dev/null +++ b/third_party/libwebrtc/rtc_base/socket.h @@ -0,0 +1,147 @@ +/* + * 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_SOCKET_H_ +#define RTC_BASE_SOCKET_H_ + +#include + +#if defined(WEBRTC_POSIX) +#include +#include +#include +#include +#define SOCKET_EACCES EACCES +#endif + +#if defined(WEBRTC_WIN) +#include "rtc_base/win32.h" +#endif + +#include "rtc_base/socket_address.h" +#include "rtc_base/third_party/sigslot/sigslot.h" + +// Rather than converting errors into a private namespace, +// Reuse the POSIX socket api errors. Note this depends on +// Win32 compatibility. + +#if defined(WEBRTC_WIN) +#undef EWOULDBLOCK // Remove errno.h's definition for each macro below. +#define EWOULDBLOCK WSAEWOULDBLOCK +#undef EINPROGRESS +#define EINPROGRESS WSAEINPROGRESS +#undef EALREADY +#define EALREADY WSAEALREADY +#undef EMSGSIZE +#define EMSGSIZE WSAEMSGSIZE +#undef EADDRINUSE +#define EADDRINUSE WSAEADDRINUSE +#undef EADDRNOTAVAIL +#define EADDRNOTAVAIL WSAEADDRNOTAVAIL +#undef ENETDOWN +#define ENETDOWN WSAENETDOWN +#undef ECONNABORTED +#define ECONNABORTED WSAECONNABORTED +#undef ENOBUFS +#define ENOBUFS WSAENOBUFS +#undef EISCONN +#define EISCONN WSAEISCONN +#undef ENOTCONN +#define ENOTCONN WSAENOTCONN +#undef ECONNREFUSED +#define ECONNREFUSED WSAECONNREFUSED +#undef EHOSTUNREACH +#define EHOSTUNREACH WSAEHOSTUNREACH +#undef ENETUNREACH +#define ENETUNREACH WSAENETUNREACH +#define SOCKET_EACCES WSAEACCES +#endif // WEBRTC_WIN + +#if defined(WEBRTC_POSIX) +#define INVALID_SOCKET (-1) +#define SOCKET_ERROR (-1) +#define closesocket(s) close(s) +#endif // WEBRTC_POSIX + +namespace rtc { + +inline bool IsBlockingError(int e) { + return (e == EWOULDBLOCK) || (e == EAGAIN) || (e == EINPROGRESS); +} + +// General interface for the socket implementations of various networks. The +// methods match those of normal UNIX sockets very closely. +class Socket { + public: + virtual ~Socket() {} + + Socket(const Socket&) = delete; + Socket& operator=(const Socket&) = delete; + + // Returns the address to which the socket is bound. If the socket is not + // bound, then the any-address is returned. + virtual SocketAddress GetLocalAddress() const = 0; + + // Returns the address to which the socket is connected. If the socket is + // not connected, then the any-address is returned. + virtual SocketAddress GetRemoteAddress() const = 0; + + virtual int Bind(const SocketAddress& addr) = 0; + virtual int Connect(const SocketAddress& addr) = 0; + virtual int Send(const void* pv, size_t cb) = 0; + virtual int SendTo(const void* pv, size_t cb, const SocketAddress& addr) = 0; + // `timestamp` is in units of microseconds. + virtual int Recv(void* pv, size_t cb, int64_t* timestamp) = 0; + virtual int RecvFrom(void* pv, + size_t cb, + SocketAddress* paddr, + int64_t* timestamp) = 0; + virtual int Listen(int backlog) = 0; + virtual Socket* Accept(SocketAddress* paddr) = 0; + virtual int Close() = 0; + virtual int GetError() const = 0; + virtual void SetError(int error) = 0; + inline bool IsBlocking() const { return IsBlockingError(GetError()); } + + enum ConnState { CS_CLOSED, CS_CONNECTING, CS_CONNECTED }; + virtual ConnState GetState() const = 0; + + enum Option { + OPT_DONTFRAGMENT, + OPT_RCVBUF, // receive buffer size + OPT_SNDBUF, // send buffer size + OPT_NODELAY, // whether Nagle algorithm is enabled + OPT_IPV6_V6ONLY, // Whether the socket is IPv6 only. + OPT_DSCP, // DSCP code + OPT_RTP_SENDTIME_EXTN_ID, // This is a non-traditional socket option param. + // This is specific to libjingle and will be used + // if SendTime option is needed at socket level. + }; + virtual int GetOption(Option opt, int* value) = 0; + virtual int SetOption(Option opt, int value) = 0; + + // SignalReadEvent and SignalWriteEvent use multi_threaded_local to allow + // access concurrently from different thread. + // For example SignalReadEvent::connect will be called in AsyncUDPSocket ctor + // but at the same time the SocketDispatcher may be signaling the read event. + // ready to read + sigslot::signal1 SignalReadEvent; + // ready to write + sigslot::signal1 SignalWriteEvent; + sigslot::signal1 SignalConnectEvent; // connected + sigslot::signal2 SignalCloseEvent; // closed + + protected: + Socket() {} +}; + +} // namespace rtc + +#endif // RTC_BASE_SOCKET_H_ -- cgit v1.2.3