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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "net/base/host_port_pair.h"
      6 
      7 #include "base/string_util.h"
      8 #include "base/stringprintf.h"
      9 #include "googleurl/src/gurl.h"
     10 #include "net/base/net_util.h"
     11 #include "net/base/sys_addrinfo.h"
     12 
     13 namespace net {
     14 
     15 HostPortPair::HostPortPair() : port_(0) {}
     16 HostPortPair::HostPortPair(const std::string& in_host, uint16 in_port)
     17     : host_(in_host), port_(in_port) {}
     18 
     19 // static
     20 HostPortPair HostPortPair::FromURL(const GURL& url) {
     21   return HostPortPair(url.HostNoBrackets(), url.EffectiveIntPort());
     22 }
     23 
     24 // static
     25 HostPortPair HostPortPair::FromAddrInfo(const struct addrinfo* ai) {
     26   return HostPortPair(NetAddressToString(ai),
     27                       GetPortFromSockaddr(ai->ai_addr, ai->ai_addrlen));
     28 }
     29 
     30 std::string HostPortPair::ToString() const {
     31   return base::StringPrintf("%s:%u", HostForURL().c_str(), port_);
     32 }
     33 
     34 std::string HostPortPair::HostForURL() const {
     35   // Check to see if the host is an IPv6 address.  If so, added brackets.
     36   if (host_.find(':') != std::string::npos) {
     37     DCHECK_NE(host_[0], '[');
     38     return base::StringPrintf("[%s]", host_.c_str());
     39   }
     40 
     41   return host_;
     42 }
     43 
     44 }  // namespace net
     45