Add remoteHost to Socket.

runtime/bin/socket_win.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <winsock2.h>
 #include <ws2tcpip.h>
 #include <mswsock.h>
 
 #include "bin/builtin.h"
 #include "bin/eventhandler.h"
@@ skipping 36 matching lines @@
   if (getsockname(socket_handle->socket(),
                   reinterpret_cast<struct sockaddr *>(&socket_address),
                   &size)) {
     fprintf(stderr, "Error getsockname: %s\n", strerror(errno));
     return 0;
   }
   return ntohs(socket_address.sin_port);
 }
 
 
-intptr_t Socket::GetRemotePort(intptr_t fd) {
+bool Socket::GetRemotePeer(intptr_t fd, char *host, intptr_t *port) {
+  ASSERT(DART_INET_ADDRSTRLEN >= INET_ADDRSTRLEN);
   ASSERT(reinterpret_cast<Handle*>(fd)->is_socket());
   SocketHandle* socket_handle = reinterpret_cast<SocketHandle*>(fd);
   struct sockaddr_in socket_address;
   socklen_t size = sizeof(socket_address);
   if (getpeername(socket_handle->socket(),
                   reinterpret_cast<struct sockaddr *>(&socket_address),
                   &size)) {
     fprintf(stderr, "Error getpeername: %s\n", strerror(errno));
-    return 0;
+    return false;
   }
-  return ntohs(socket_address.sin_port);
-}
+  if (inet_ntop(socket_address.sin_family,
+                reinterpret_cast<const void *>(&socket_address.sin_addr),
+                host,
+                INET_ADDRSTRLEN) == NULL) {
+    fprintf(stderr, "Error inet_ntop: %s\n", strerror(errno));
+    return false;
+  }
+  *port = ntohs(socket_address.sin_port);
+  return true;
 
 
 intptr_t Socket::CreateConnect(const char* host, const intptr_t port) {
   SOCKET s = socket(AF_INET, SOCK_STREAM, 0);
   if (s == INVALID_SOCKET) {
     return -1;
   }
 
   linger l;
   l.l_onoff = 1;
@@ skipping 155 matching lines @@
   if (status == SOCKET_ERROR) {
     DWORD rc = WSAGetLastError();
     closesocket(s);
     SetLastError(rc);
     return -1;
   }
 
   ListenSocket* listen_socket = new ListenSocket(s);
   return reinterpret_cast<intptr_t>(listen_socket);
 }