Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/socket.h b/webrtc/base/socket.h
new file mode 100644
index 0000000..725bd45
--- /dev/null
+++ b/webrtc/base/socket.h
@@ -0,0 +1,188 @@
+/*
+ * 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/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);
+}
+
+// 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) = 0;
+ virtual int RecvFrom(void *pv, size_t cb, SocketAddress *paddr) = 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 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* 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:
+ DISALLOW_EVIL_CONSTRUCTORS(Socket);
+};
+
+} // namespace rtc
+
+#endif // WEBRTC_BASE_SOCKET_H__
