Remove socket implementation from V8.

src/platform/socket.cc

-// Copyright 2013 the V8 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.
-
-#include "platform/socket.h"
-
-#if V8_OS_POSIX
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netdb.h>
-
-#include <unistd.h>
-#endif
-
-#include <errno.h>
-
-#include "checks.h"
-#include "once.h"
-
-namespace v8 {
-namespace internal {
-
-#if V8_OS_WIN
-
-static V8_DECLARE_ONCE(initialize_winsock) = V8_ONCE_INIT;
-
-
-static void InitializeWinsock() {
-  WSADATA wsa_data;
-  int result = WSAStartup(MAKEWORD(1, 0), &wsa_data);
-  CHECK_EQ(0, result);
-}
-
-#endif  // V8_OS_WIN
-
-
-Socket::Socket() {
-#if V8_OS_WIN
-  // Be sure to initialize the WinSock DLL first.
-  CallOnce(&initialize_winsock, &InitializeWinsock);
-#endif  // V8_OS_WIN
-
-  // Create the native socket handle.
-  native_handle_ = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-}
-
-
-bool Socket::Bind(int port) {
-  ASSERT_GE(port, 0);
-  ASSERT_LT(port, 65536);
-  if (!IsValid()) return false;
-  struct sockaddr_in sin;
-  memset(&sin, 0, sizeof(sin));
-  sin.sin_family = AF_INET;
-  sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  sin.sin_port = htons(static_cast<uint16_t>(port));
-  int result = ::bind(
-      native_handle_, reinterpret_cast<struct sockaddr*>(&sin), sizeof(sin));
-  return result == 0;
-}
-
-
-bool Socket::Listen(int backlog) {
-  if (!IsValid()) return false;
-  int result = ::listen(native_handle_, backlog);
-  return result == 0;
-}
-
-
-Socket* Socket::Accept() {
-  if (!IsValid()) return NULL;
-  while (true) {
-    NativeHandle native_handle = ::accept(native_handle_, NULL, NULL);
-    if (native_handle == kInvalidNativeHandle) {
-#if V8_OS_POSIX
-      if (errno == EINTR) continue;  // Retry after signal.
-#endif
-      return NULL;
-    }
-    return new Socket(native_handle);
-  }
-}
-
-
-bool Socket::Connect(const char* host, const char* port) {
-  ASSERT_NE(NULL, host);
-  ASSERT_NE(NULL, port);
-  if (!IsValid()) return false;
-
-  // Lookup host and port.
-  struct addrinfo* info = NULL;
-  struct addrinfo hint;
-  memset(&hint, 0, sizeof(hint));
-  hint.ai_family = AF_INET;
-  hint.ai_socktype = SOCK_STREAM;
-  hint.ai_protocol = IPPROTO_TCP;
-  int result = ::getaddrinfo(host, port, &hint, &info);
-  if (result != 0) {
-    return false;
-  }
-
-  // Connect to the host on the given port.
-  for (struct addrinfo* ai = info; ai != NULL; ai = ai->ai_next) {
-    // Try to connect using this addr info.
-    while (true) {
-      result = ::connect(
-          native_handle_, ai->ai_addr, static_cast<int>(ai->ai_addrlen));
-      if (result == 0) {
-        freeaddrinfo(info);
-        return true;
-      }
-#if V8_OS_POSIX
-      if (errno == EINTR) continue;  // Retry after signal.
-#endif
-      break;
-    }
-  }
-  freeaddrinfo(info);
-  return false;
-}
-
-
-bool Socket::Shutdown() {
-  if (!IsValid()) return false;
-  // Shutdown socket for both read and write.
-#if V8_OS_POSIX
-  int result = ::shutdown(native_handle_, SHUT_RDWR);
-  ::close(native_handle_);
-#elif V8_OS_WIN
-  int result = ::shutdown(native_handle_, SD_BOTH);
-  ::closesocket(native_handle_);
-#endif
-  native_handle_ = kInvalidNativeHandle;
-  return result == 0;
-}
-
-
-int Socket::Send(const char* buffer, int length) {
-  ASSERT(length <= 0 || buffer != NULL);
-  if (!IsValid()) return 0;
-  int offset = 0;
-  while (offset < length) {
-    int result = ::send(native_handle_, buffer + offset, length - offset, 0);
-    if (result == 0) {
-      break;
-    } else if (result > 0) {
-      ASSERT(result <= length - offset);
-      offset += result;
-    } else {
-#if V8_OS_POSIX
-      if (errno == EINTR) continue;  // Retry after signal.
-#endif
-      return 0;
-    }
-  }
-  return offset;
-}
-
-
-int Socket::Receive(char* buffer, int length) {
-  if (!IsValid()) return 0;
-  if (length <= 0) return 0;
-  ASSERT_NE(NULL, buffer);
-  while (true) {
-    int result = ::recv(native_handle_, buffer, length, 0);
-    if (result < 0) {
-#if V8_OS_POSIX
-      if (errno == EINTR) continue;  // Retry after signal.
-#endif
-      return 0;
-    }
-    return result;
-  }
-}
-
-
-bool Socket::SetReuseAddress(bool reuse_address) {
-  if (!IsValid()) return 0;
-  int v = reuse_address ? 1 : 0;
-  int result = ::setsockopt(native_handle_, SOL_SOCKET, SO_REUSEADDR,
-                            reinterpret_cast<char*>(&v), sizeof(v));
-  return result == 0;
-}
-
-
-// static
-int Socket::GetLastError() {
-#if V8_OS_POSIX
-  return errno;
-#elif V8_OS_WIN
-  // Be sure to initialize the WinSock DLL first.
-  CallOnce(&initialize_winsock, &InitializeWinsock);
-
-  // Now we can safely perform WSA calls.
-  return ::WSAGetLastError();
-#endif
-}
-
-} }  // namespace v8::internal