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28 #include "talk/base/socketaddress.h"
31 #include <sys/types.h>
32 #include <sys/socket.h>
33 #include <netinet/in.h>
35 #include <netinet/in_systm.h>
37 #include <netinet/ip.h>
38 #include <arpa/inet.h>
45 #include "talk/base/byteorder.h"
46 #include "talk/base/common.h"
47 #include "talk/base/logging.h"
48 #include "talk/base/nethelpers.h"
51 #include "talk/base/win32.h"
56 SocketAddress::SocketAddress() {
60 SocketAddress::SocketAddress(const std::string& hostname, int port) {
65 SocketAddress::SocketAddress(uint32 ip_as_host_order_integer, int port) {
66 SetIP(IPAddress(ip_as_host_order_integer));
70 SocketAddress::SocketAddress(const IPAddress& ip, int port) {
75 SocketAddress::SocketAddress(const SocketAddress& addr) {
76 this->operator=(addr);
79 void SocketAddress::Clear() {
87 bool SocketAddress::IsNil() const {
88 return hostname_.empty() && IPIsUnspec(ip_) && 0 == port_;
91 bool SocketAddress::IsComplete() const {
92 return (!IPIsAny(ip_)) && (0 != port_);
95 SocketAddress& SocketAddress::operator=(const SocketAddress& addr) {
96 hostname_ = addr.hostname_;
99 literal_ = addr.literal_;
100 scope_id_ = addr.scope_id_;
104 void SocketAddress::SetIP(uint32 ip_as_host_order_integer) {
107 ip_ = IPAddress(ip_as_host_order_integer);
111 void SocketAddress::SetIP(const IPAddress& ip) {
118 void SocketAddress::SetIP(const std::string& hostname) {
119 hostname_ = hostname;
120 literal_ = IPFromString(hostname, &ip_);
127 void SocketAddress::SetResolvedIP(uint32 ip_as_host_order_integer) {
128 ip_ = IPAddress(ip_as_host_order_integer);
132 void SocketAddress::SetResolvedIP(const IPAddress& ip) {
137 void SocketAddress::SetPort(int port) {
138 ASSERT((0 <= port) && (port < 65536));
142 uint32 SocketAddress::ip() const {
143 return ip_.v4AddressAsHostOrderInteger();
146 const IPAddress& SocketAddress::ipaddr() const {
150 uint16 SocketAddress::port() const {
154 std::string SocketAddress::HostAsURIString() const {
155 // If the hostname was a literal IP string, it may need to have square
156 // brackets added (for SocketAddress::ToString()).
157 if (!literal_ && !hostname_.empty())
159 if (ip_.family() == AF_INET6) {
160 return "[" + ip_.ToString() + "]";
162 return ip_.ToString();
166 std::string SocketAddress::HostAsSensitiveURIString() const {
167 // If the hostname was a literal IP string, it may need to have square
168 // brackets added (for SocketAddress::ToString()).
169 if (!literal_ && !hostname_.empty())
171 if (ip_.family() == AF_INET6) {
172 return "[" + ip_.ToSensitiveString() + "]";
174 return ip_.ToSensitiveString();
178 std::string SocketAddress::PortAsString() const {
179 std::ostringstream ost;
184 std::string SocketAddress::ToString() const {
185 std::ostringstream ost;
190 std::string SocketAddress::ToSensitiveString() const {
191 std::ostringstream ost;
192 ost << HostAsSensitiveURIString() << ":" << port();
196 bool SocketAddress::FromString(const std::string& str) {
197 if (str.at(0) == '[') {
198 std::string::size_type closebracket = str.rfind(']');
199 if (closebracket != std::string::npos) {
200 std::string::size_type colon = str.find(':', closebracket);
201 if (colon != std::string::npos && colon > closebracket) {
202 SetPort(strtoul(str.substr(colon + 1).c_str(), NULL, 10));
203 SetIP(str.substr(1, closebracket - 1));
209 std::string::size_type pos = str.find(':');
210 if (std::string::npos == pos)
212 SetPort(strtoul(str.substr(pos + 1).c_str(), NULL, 10));
213 SetIP(str.substr(0, pos));
218 std::ostream& operator<<(std::ostream& os, const SocketAddress& addr) {
219 os << addr.HostAsURIString() << ":" << addr.port();
223 bool SocketAddress::IsAnyIP() const {
227 bool SocketAddress::IsLoopbackIP() const {
228 return IPIsLoopback(ip_) || (IPIsAny(ip_) &&
229 0 == strcmp(hostname_.c_str(), "localhost"));
232 bool SocketAddress::IsPrivateIP() const {
233 return IPIsPrivate(ip_);
236 bool SocketAddress::IsUnresolvedIP() const {
237 return IPIsUnspec(ip_) && !literal_ && !hostname_.empty();
240 bool SocketAddress::operator==(const SocketAddress& addr) const {
241 return EqualIPs(addr) && EqualPorts(addr);
244 bool SocketAddress::operator<(const SocketAddress& addr) const {
247 else if (addr.ip_ < ip_)
250 // We only check hostnames if both IPs are zero. This matches EqualIPs()
251 if (addr.IsAnyIP()) {
252 if (hostname_ < addr.hostname_)
254 else if (addr.hostname_ < hostname_)
258 return port_ < addr.port_;
261 bool SocketAddress::EqualIPs(const SocketAddress& addr) const {
262 return (ip_ == addr.ip_) &&
263 ((!IPIsAny(ip_)) || (hostname_ == addr.hostname_));
266 bool SocketAddress::EqualPorts(const SocketAddress& addr) const {
267 return (port_ == addr.port_);
270 size_t SocketAddress::Hash() const {
273 h ^= port_ | (port_ << 16);
277 void SocketAddress::ToSockAddr(sockaddr_in* saddr) const {
278 memset(saddr, 0, sizeof(*saddr));
279 if (ip_.family() != AF_INET) {
280 saddr->sin_family = AF_UNSPEC;
283 saddr->sin_family = AF_INET;
284 saddr->sin_port = HostToNetwork16(port_);
286 saddr->sin_addr.s_addr = INADDR_ANY;
288 saddr->sin_addr = ip_.ipv4_address();
292 bool SocketAddress::FromSockAddr(const sockaddr_in& saddr) {
293 if (saddr.sin_family != AF_INET)
295 SetIP(NetworkToHost32(saddr.sin_addr.s_addr));
296 SetPort(NetworkToHost16(saddr.sin_port));
301 static size_t ToSockAddrStorageHelper(sockaddr_storage* addr,
302 IPAddress ip, int port, int scope_id) {
303 memset(addr, 0, sizeof(sockaddr_storage));
304 addr->ss_family = ip.family();
305 if (addr->ss_family == AF_INET6) {
306 sockaddr_in6* saddr = reinterpret_cast<sockaddr_in6*>(addr);
307 saddr->sin6_addr = ip.ipv6_address();
308 saddr->sin6_port = HostToNetwork16(port);
309 saddr->sin6_scope_id = scope_id;
310 return sizeof(sockaddr_in6);
311 } else if (addr->ss_family == AF_INET) {
312 sockaddr_in* saddr = reinterpret_cast<sockaddr_in*>(addr);
313 saddr->sin_addr = ip.ipv4_address();
314 saddr->sin_port = HostToNetwork16(port);
315 return sizeof(sockaddr_in);
320 size_t SocketAddress::ToDualStackSockAddrStorage(sockaddr_storage *addr) const {
321 return ToSockAddrStorageHelper(addr, ip_.AsIPv6Address(), port_, scope_id_);
324 size_t SocketAddress::ToSockAddrStorage(sockaddr_storage* addr) const {
325 return ToSockAddrStorageHelper(addr, ip_, port_, scope_id_);
328 std::string SocketAddress::IPToString(uint32 ip_as_host_order_integer) {
329 return IPAddress(ip_as_host_order_integer).ToString();
332 std::string IPToSensitiveString(uint32 ip_as_host_order_integer) {
333 return IPAddress(ip_as_host_order_integer).ToSensitiveString();
336 bool SocketAddress::StringToIP(const std::string& hostname, uint32* ip) {
338 if (talk_base::inet_pton(AF_INET, hostname.c_str(), &addr) == 0)
340 *ip = NetworkToHost32(addr.s_addr);
344 bool SocketAddress::StringToIP(const std::string& hostname, IPAddress* ip) {
346 if (talk_base::inet_pton(AF_INET, hostname.c_str(), &addr4) > 0) {
348 *ip = IPAddress(addr4);
354 if (talk_base::inet_pton(AF_INET6, hostname.c_str(), &addr6) > 0) {
356 *ip = IPAddress(addr6);
363 uint32 SocketAddress::StringToIP(const std::string& hostname) {
365 StringToIP(hostname, &ip);
369 bool SocketAddressFromSockAddrStorage(const sockaddr_storage& addr,
370 SocketAddress* out) {
374 if (addr.ss_family == AF_INET) {
375 const sockaddr_in* saddr = reinterpret_cast<const sockaddr_in*>(&addr);
376 *out = SocketAddress(IPAddress(saddr->sin_addr),
377 NetworkToHost16(saddr->sin_port));
379 } else if (addr.ss_family == AF_INET6) {
380 const sockaddr_in6* saddr = reinterpret_cast<const sockaddr_in6*>(&addr);
381 *out = SocketAddress(IPAddress(saddr->sin6_addr),
382 NetworkToHost16(saddr->sin6_port));
383 out->SetScopeID(saddr->sin6_scope_id);
389 SocketAddress EmptySocketAddressWithFamily(int family) {
390 if (family == AF_INET) {
391 return SocketAddress(IPAddress(INADDR_ANY), 0);
392 } else if (family == AF_INET6) {
393 return SocketAddress(IPAddress(in6addr_any), 0);
395 return SocketAddress();
398 } // namespace talk_base