Push remote hostname to P2P socket host.

content/common/p2p_socket_type.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines some basic types used by the P2P-related IPC
 // messages.
 
 #ifndef CONTENT_COMMON_P2P_SOCKET_TYPE_H_
 #define CONTENT_COMMON_P2P_SOCKET_TYPE_H_
 
+#include <string>
+
+#include "net/base/ip_endpoint.h"
+
 namespace content {
 
 enum P2PSocketOption {
   P2P_SOCKET_OPT_RCVBUF,  // Receive buffer size.
   P2P_SOCKET_OPT_SNDBUF,  // Send buffer size.
   P2P_SOCKET_OPT_DSCP,    // DSCP code.
   P2P_SOCKET_OPT_MAX
 };
 
 // Type of P2P Socket.
 enum P2PSocketType {
   P2P_SOCKET_UDP,
   P2P_SOCKET_TCP_SERVER,
   P2P_SOCKET_STUN_TCP_SERVER,
   P2P_SOCKET_TCP_CLIENT,
   P2P_SOCKET_STUN_TCP_CLIENT,
   P2P_SOCKET_SSLTCP_CLIENT,
   P2P_SOCKET_STUN_SSLTCP_CLIENT,
   P2P_SOCKET_TLS_CLIENT,
   P2P_SOCKET_STUN_TLS_CLIENT,
   P2P_SOCKET_TYPE_LAST = P2P_SOCKET_STUN_TLS_CLIENT
 };
 
+// Struct which carries both resolved IP address and host string literal.
+// Port number will be part of |ip_address|.
+struct P2PHostAndIPEndPoint {
+  P2PHostAndIPEndPoint() {}
+  P2PHostAndIPEndPoint(const std::string& hostname,
+                       const net::IPEndPoint& ip_address)
+      : hostname(hostname), ip_address(ip_address) {
+  }
+
+  std::string hostname;
+  net::IPEndPoint ip_address;
+};
+
 }  // namespace content
 
 #endif  // CONTENT_COMMON_P2P_SOCKET_TYPE_H_