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Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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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/ip_endpoint.h"
6
7 #include "base/logging.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "base/sys_byteorder.h"
10 #if defined(OS_WIN)
11 #include <winsock2.h>
12 #elif defined(OS_POSIX)
13 #include <netinet/in.h>
14 #endif
15
16 namespace net {
17
18 namespace {
19 // By definition, socklen_t is large enough to hold both sizes.
20 const socklen_t kSockaddrInSize = sizeof(struct sockaddr_in);
21 const socklen_t kSockaddrIn6Size = sizeof(struct sockaddr_in6);
22 }
23
24 IPEndPoint::IPEndPoint() : port_(0) {}
25
26 IPEndPoint::~IPEndPoint() {}
27
28 IPEndPoint::IPEndPoint(const IPAddressNumber& address, uint16 port)
29 : address_(address),
30 port_(port) {}
31
32 IPEndPoint::IPEndPoint(const IPEndPoint& endpoint) {
33 address_ = endpoint.address_;
34 port_ = endpoint.port_;
35 }
36
37 AddressFamily IPEndPoint::GetFamily() const {
38 return GetAddressFamily(address_);
39 }
40
41 int IPEndPoint::GetSockAddrFamily() const {
42 switch (address_.size()) {
43 case kIPv4AddressSize:
44 return AF_INET;
45 case kIPv6AddressSize:
46 return AF_INET6;
47 default:
48 NOTREACHED() << "Bad IP address";
49 return AF_UNSPEC;
50 }
51 }
52
53 bool IPEndPoint::ToSockAddr(struct sockaddr* address,
54 socklen_t* address_length) const {
55 DCHECK(address);
56 DCHECK(address_length);
57 switch (address_.size()) {
58 case kIPv4AddressSize: {
59 if (*address_length < kSockaddrInSize)
60 return false;
61 *address_length = kSockaddrInSize;
62 struct sockaddr_in* addr = reinterpret_cast<struct sockaddr_in*>(address);
63 memset(addr, 0, sizeof(struct sockaddr_in));
64 addr->sin_family = AF_INET;
65 addr->sin_port = base::HostToNet16(port_);
66 memcpy(&addr->sin_addr, &address_[0], kIPv4AddressSize);
67 break;
68 }
69 case kIPv6AddressSize: {
70 if (*address_length < kSockaddrIn6Size)
71 return false;
72 *address_length = kSockaddrIn6Size;
73 struct sockaddr_in6* addr6 =
74 reinterpret_cast<struct sockaddr_in6*>(address);
75 memset(addr6, 0, sizeof(struct sockaddr_in6));
76 addr6->sin6_family = AF_INET6;
77 addr6->sin6_port = base::HostToNet16(port_);
78 memcpy(&addr6->sin6_addr, &address_[0], kIPv6AddressSize);
79 break;
80 }
81 default:
82 return false;
83 }
84 return true;
85 }
86
87 bool IPEndPoint::FromSockAddr(const struct sockaddr* sock_addr,
88 socklen_t sock_addr_len) {
89 DCHECK(sock_addr);
90
91 const uint8* address;
92 size_t address_len;
93 uint16 port;
94 if (!GetIPAddressFromSockAddr(sock_addr, sock_addr_len, &address,
95 &address_len, &port)) {
96 return false;
97 }
98
99 address_.assign(address, address + address_len);
100 port_ = port;
101 return true;
102 }
103
104 std::string IPEndPoint::ToString() const {
105 return IPAddressToStringWithPort(address_, port_);
106 }
107
108 std::string IPEndPoint::ToStringWithoutPort() const {
109 return IPAddressToString(address_);
110 }
111
112 bool IPEndPoint::operator<(const IPEndPoint& that) const {
113 // Sort IPv4 before IPv6.
114 if (address_.size() != that.address_.size()) {
115 return address_.size() < that.address_.size();
116 }
117 if (address_ != that.address_) {
118 return address_ < that.address_;
119 }
120 return port_ < that.port_;
121 }
122
123 bool IPEndPoint::operator==(const IPEndPoint& that) const {
124 return address_ == that.address_ && port_ == that.port_;
125 }
126
127 } // namespace net
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