Cleanup Socket class and remove it from the platform files.

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 199ed2da4442ae48a11adf52f8077dd8f795085b..87387e7d12246aa2065c8bf35108bcee3dea8633 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -1615,198 +1615,6 @@ void Thread::YieldCPU() {
 }
 
 
-// ----------------------------------------------------------------------------
-// Win32 socket support.
-//
-
-class Win32Socket : public Socket {
- public:
-  explicit Win32Socket() {
-    // Create the socket.
-    socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-  }
-  explicit Win32Socket(SOCKET socket): socket_(socket) { }
-  virtual ~Win32Socket() { Shutdown(); }
-
-  // Server initialization.
-  bool Bind(const int port);
-  bool Listen(int backlog) const;
-  Socket* Accept() const;
-
-  // Client initialization.
-  bool Connect(const char* host, const char* port);
-
-  // Shutdown socket for both read and write.
-  bool Shutdown();
-
-  // Data Transimission
-  int Send(const char* data, int len) const;
-  int Receive(char* data, int len) const;
-
-  bool SetReuseAddress(bool reuse_address);
-
-  bool IsValid() const { return socket_ != INVALID_SOCKET; }
-
- private:
-  SOCKET socket_;
-};
-
-
-bool Win32Socket::Bind(const int port) {
-  if (!IsValid())  {
-    return false;
-  }
-
-  sockaddr_in addr;
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-  addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  addr.sin_port = htons(port);
-  int status = bind(socket_,
-                    reinterpret_cast<struct sockaddr *>(&addr),
-                    sizeof(addr));
-  return status == 0;
-}
-
-
-bool Win32Socket::Listen(int backlog) const {
-  if (!IsValid()) {
-    return false;
-  }
-
-  int status = listen(socket_, backlog);
-  return status == 0;
-}
-
-
-Socket* Win32Socket::Accept() const {
-  if (!IsValid()) {
-    return NULL;
-  }
-
-  SOCKET socket = accept(socket_, NULL, NULL);
-  if (socket == INVALID_SOCKET) {
-    return NULL;
-  } else {
-    return new Win32Socket(socket);
-  }
-}
-
-
-bool Win32Socket::Connect(const char* host, const char* port) {
-  if (!IsValid()) {
-    return false;
-  }
-
-  // Lookup host and port.
-  struct addrinfo *result = NULL;
-  struct addrinfo hints;
-  memset(&hints, 0, sizeof(addrinfo));
-  hints.ai_family = AF_INET;
-  hints.ai_socktype = SOCK_STREAM;
-  hints.ai_protocol = IPPROTO_TCP;
-  int status = getaddrinfo(host, port, &hints, &result);
-  if (status != 0) {
-    return false;
-  }
-
-  // Connect.
-  status = connect(socket_,
-                   result->ai_addr,
-                   static_cast<int>(result->ai_addrlen));
-  freeaddrinfo(result);
-  return status == 0;
-}
-
-
-bool Win32Socket::Shutdown() {
-  if (IsValid()) {
-    // Shutdown socket for both read and write.
-    int status = shutdown(socket_, SD_BOTH);
-    closesocket(socket_);
-    socket_ = INVALID_SOCKET;
-    return status == SOCKET_ERROR;
-  }
-  return true;
-}
-
-
-int Win32Socket::Send(const char* data, int len) const {
-  if (len <= 0) return 0;
-  int written = 0;
-  while (written < len) {
-    int status = send(socket_, data + written, len - written, 0);
-    if (status == 0) {
-      break;
-    } else if (status > 0) {
-      written += status;
-    } else {
-      return 0;
-    }
-  }
-  return written;
-}
-
-
-int Win32Socket::Receive(char* data, int len) const {
-  if (len <= 0) return 0;
-  int status = recv(socket_, data, len, 0);
-  return (status == SOCKET_ERROR) ? 0 : status;
-}
-
-
-bool Win32Socket::SetReuseAddress(bool reuse_address) {
-  BOOL on = reuse_address ? true : false;
-  int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR,
-                          reinterpret_cast<char*>(&on), sizeof(on));
-  return status == SOCKET_ERROR;
-}
-
-
-bool Socket::SetUp() {
-  // Initialize Winsock32
-  int err;
-  WSADATA winsock_data;
-  WORD version_requested = MAKEWORD(1, 0);
-  err = WSAStartup(version_requested, &winsock_data);
-  if (err != 0) {
-    PrintF("Unable to initialize Winsock, err = %d\n", Socket::LastError());
-  }
-
-  return err == 0;
-}
-
-
-int Socket::LastError() {
-  return WSAGetLastError();
-}
-
-
-uint16_t Socket::HToN(uint16_t value) {
-  return htons(value);
-}
-
-
-uint16_t Socket::NToH(uint16_t value) {
-  return ntohs(value);
-}
-
-
-uint32_t Socket::HToN(uint32_t value) {
-  return htonl(value);
-}
-
-
-uint32_t Socket::NToH(uint32_t value) {
-  return ntohl(value);
-}
-
-
-Socket* OS::CreateSocket() {
-  return new Win32Socket();
-}
-
-
 void OS::SetUp() {
   // Seed the random number generator.
   // Convert the current time to a 64-bit integer first, before converting it