1 // Copyright (c) 2012 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/logging.h" 8 #include "base/strings/string_number_conversions.h" 9 #include "base/strings/string_split.h" 10 #include "base/strings/string_util.h" 11 #include "base/strings/stringprintf.h" 12 #include "net/base/ip_endpoint.h" 13 #include "url/gurl.h" 14 15 namespace net { 16 17 HostPortPair::HostPortPair() : port_(0) {} 18 HostPortPair::HostPortPair(const std::string& in_host, uint16 in_port) 19 : host_(in_host), port_(in_port) {} 20 21 // static 22 HostPortPair HostPortPair::FromURL(const GURL& url) { 23 return HostPortPair(url.HostNoBrackets(), url.EffectiveIntPort()); 24 } 25 26 // static 27 HostPortPair HostPortPair::FromIPEndPoint(const IPEndPoint& ipe) { 28 return HostPortPair(ipe.ToStringWithoutPort(), ipe.port()); 29 } 30 31 HostPortPair HostPortPair::FromString(const std::string& str) { 32 std::vector<std::string> key_port; 33 base::SplitString(str, ':', &key_port); 34 if (key_port.size() != 2) 35 return HostPortPair(); 36 int port; 37 if (!base::StringToInt(key_port[1], &port)) 38 return HostPortPair(); 39 DCHECK_LT(port, 1 << 16); 40 HostPortPair host_port_pair; 41 host_port_pair.set_host(key_port[0]); 42 host_port_pair.set_port(port); 43 return host_port_pair; 44 } 45 46 std::string HostPortPair::ToString() const { 47 return base::StringPrintf("%s:%u", HostForURL().c_str(), port_); 48 } 49 50 std::string HostPortPair::HostForURL() const { 51 // TODO(rtenneti): Add support for |host| to have '\0'. 52 if (host_.find('\0') != std::string::npos) { 53 std::string host_for_log(host_); 54 size_t nullpos; 55 while ((nullpos = host_for_log.find('\0')) != std::string::npos) { 56 host_for_log.replace(nullpos, 1, "%00"); 57 } 58 LOG(DFATAL) << "Host has a null char: " << host_for_log; 59 } 60 // Check to see if the host is an IPv6 address. If so, added brackets. 61 if (host_.find(':') != std::string::npos) { 62 DCHECK_NE(host_[0], '['); 63 return base::StringPrintf("[%s]", host_.c_str()); 64 } 65 66 return host_; 67 } 68 69 } // namespace net 70