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
HostPortPair()17 HostPortPair::HostPortPair() : port_(0) {}
HostPortPair(const std::string & in_host,uint16 in_port)18 HostPortPair::HostPortPair(const std::string& in_host, uint16 in_port)
19 : host_(in_host), port_(in_port) {}
20
21 // static
FromURL(const GURL & url)22 HostPortPair HostPortPair::FromURL(const GURL& url) {
23 return HostPortPair(url.HostNoBrackets(), url.EffectiveIntPort());
24 }
25
26 // static
FromIPEndPoint(const IPEndPoint & ipe)27 HostPortPair HostPortPair::FromIPEndPoint(const IPEndPoint& ipe) {
28 return HostPortPair(ipe.ToStringWithoutPort(), ipe.port());
29 }
30
FromString(const std::string & str)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
ToString() const46 std::string HostPortPair::ToString() const {
47 return base::StringPrintf("%s:%u", HostForURL().c_str(), port_);
48 }
49
HostForURL() const50 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