| /* |
| * 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 WEBRTC_BASE_SOCKET_H__ |
| #define WEBRTC_BASE_SOCKET_H__ |
| |
| #include <errno.h> |
| |
| #if defined(WEBRTC_POSIX) |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <arpa/inet.h> |
| #include <netinet/in.h> |
| #define SOCKET_EACCES EACCES |
| #endif |
| |
| #if defined(WEBRTC_WIN) |
| #include "webrtc/base/win32.h" |
| #endif |
| |
| #include "webrtc/base/basictypes.h" |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/base/socketaddress.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 ENOTSOCK |
| #define ENOTSOCK WSAENOTSOCK |
| #undef EDESTADDRREQ |
| #define EDESTADDRREQ WSAEDESTADDRREQ |
| #undef EMSGSIZE |
| #define EMSGSIZE WSAEMSGSIZE |
| #undef EPROTOTYPE |
| #define EPROTOTYPE WSAEPROTOTYPE |
| #undef ENOPROTOOPT |
| #define ENOPROTOOPT WSAENOPROTOOPT |
| #undef EPROTONOSUPPORT |
| #define EPROTONOSUPPORT WSAEPROTONOSUPPORT |
| #undef ESOCKTNOSUPPORT |
| #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT |
| #undef EOPNOTSUPP |
| #define EOPNOTSUPP WSAEOPNOTSUPP |
| #undef EPFNOSUPPORT |
| #define EPFNOSUPPORT WSAEPFNOSUPPORT |
| #undef EAFNOSUPPORT |
| #define EAFNOSUPPORT WSAEAFNOSUPPORT |
| #undef EADDRINUSE |
| #define EADDRINUSE WSAEADDRINUSE |
| #undef EADDRNOTAVAIL |
| #define EADDRNOTAVAIL WSAEADDRNOTAVAIL |
| #undef ENETDOWN |
| #define ENETDOWN WSAENETDOWN |
| #undef ENETUNREACH |
| #define ENETUNREACH WSAENETUNREACH |
| #undef ENETRESET |
| #define ENETRESET WSAENETRESET |
| #undef ECONNABORTED |
| #define ECONNABORTED WSAECONNABORTED |
| #undef ECONNRESET |
| #define ECONNRESET WSAECONNRESET |
| #undef ENOBUFS |
| #define ENOBUFS WSAENOBUFS |
| #undef EISCONN |
| #define EISCONN WSAEISCONN |
| #undef ENOTCONN |
| #define ENOTCONN WSAENOTCONN |
| #undef ESHUTDOWN |
| #define ESHUTDOWN WSAESHUTDOWN |
| #undef ETOOMANYREFS |
| #define ETOOMANYREFS WSAETOOMANYREFS |
| #undef ETIMEDOUT |
| #define ETIMEDOUT WSAETIMEDOUT |
| #undef ECONNREFUSED |
| #define ECONNREFUSED WSAECONNREFUSED |
| #undef ELOOP |
| #define ELOOP WSAELOOP |
| #undef ENAMETOOLONG |
| #define ENAMETOOLONG WSAENAMETOOLONG |
| #undef EHOSTDOWN |
| #define EHOSTDOWN WSAEHOSTDOWN |
| #undef EHOSTUNREACH |
| #define EHOSTUNREACH WSAEHOSTUNREACH |
| #undef ENOTEMPTY |
| #define ENOTEMPTY WSAENOTEMPTY |
| #undef EPROCLIM |
| #define EPROCLIM WSAEPROCLIM |
| #undef EUSERS |
| #define EUSERS WSAEUSERS |
| #undef EDQUOT |
| #define EDQUOT WSAEDQUOT |
| #undef ESTALE |
| #define ESTALE WSAESTALE |
| #undef EREMOTE |
| #define EREMOTE WSAEREMOTE |
| #undef EACCES |
| #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); |
| } |
| |
| struct SentPacket { |
| SentPacket() : packet_id(-1), send_time_ms(-1) {} |
| SentPacket(int packet_id, int64_t send_time_ms) |
| : packet_id(packet_id), send_time_ms(send_time_ms) {} |
| |
| int packet_id; |
| int64_t send_time_ms; |
| }; |
| |
| // General interface for the socket implementations of various networks. The |
| // methods match those of normal UNIX sockets very closely. |
| class Socket { |
| public: |
| virtual ~Socket() {} |
| |
| // 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; |
| 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; |
| |
| // Fills in the given uint16_t with the current estimate of the MTU along the |
| // path to the address to which this socket is connected. NOTE: This method |
| // can block for up to 10 seconds on Windows. |
| virtual int EstimateMTU(uint16_t* mtu) = 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; |
| |
| protected: |
| Socket() {} |
| |
| private: |
| RTC_DISALLOW_COPY_AND_ASSIGN(Socket); |
| }; |
| |
| } // namespace rtc |
| |
| #endif // WEBRTC_BASE_SOCKET_H__ |