1 //===-- SocketAddress.cpp ---------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #define _WINSOCK_DEPRECATED_NO_WARNINGS
14 #include "lldb/Host/SocketAddress.h"
20 #include <arpa/inet.h>
27 // Other libraries and framework includes
29 #include "lldb/Host/PosixApi.h"
31 // WindowsXP needs an inet_ntop implementation
34 #ifndef INET6_ADDRSTRLEN // might not be defined in older Windows SDKs
35 #define INET6_ADDRSTRLEN 46
38 // TODO: implement shortened form "::" for runs of zeros
39 const char *inet_ntop(int af, const void *src, char *dst, socklen_t size) {
47 const char *formatted = inet_ntoa(*static_cast<const in_addr *>(src));
48 if (formatted && strlen(formatted) < static_cast<size_t>(size)) {
49 return ::strcpy(dst, formatted);
54 char tmp[INET6_ADDRSTRLEN] = {0};
55 const uint16_t *src16 = static_cast<const uint16_t *>(src);
56 int full_size = ::snprintf(
57 tmp, sizeof(tmp), "%x:%x:%x:%x:%x:%x:%x:%x", ntohs(src16[0]),
58 ntohs(src16[1]), ntohs(src16[2]), ntohs(src16[3]), ntohs(src16[4]),
59 ntohs(src16[5]), ntohs(src16[6]), ntohs(src16[7]));
60 if (full_size < static_cast<int>(size)) {
61 return ::strcpy(dst, tmp);
71 using namespace lldb_private;
73 //----------------------------------------------------------------------
74 // SocketAddress constructor
75 //----------------------------------------------------------------------
76 SocketAddress::SocketAddress() { Clear(); }
78 SocketAddress::SocketAddress(const struct sockaddr &s) { m_socket_addr.sa = s; }
80 SocketAddress::SocketAddress(const struct sockaddr_in &s) {
81 m_socket_addr.sa_ipv4 = s;
84 SocketAddress::SocketAddress(const struct sockaddr_in6 &s) {
85 m_socket_addr.sa_ipv6 = s;
88 SocketAddress::SocketAddress(const struct sockaddr_storage &s) {
89 m_socket_addr.sa_storage = s;
92 //----------------------------------------------------------------------
93 // SocketAddress copy constructor
94 //----------------------------------------------------------------------
95 SocketAddress::SocketAddress(const SocketAddress &rhs)
96 : m_socket_addr(rhs.m_socket_addr) {}
98 //----------------------------------------------------------------------
100 //----------------------------------------------------------------------
101 SocketAddress::~SocketAddress() {}
103 void SocketAddress::Clear() {
104 memset(&m_socket_addr, 0, sizeof(m_socket_addr));
107 bool SocketAddress::IsValid() const { return GetLength() != 0; }
109 static socklen_t GetFamilyLength(sa_family_t family) {
112 return sizeof(struct sockaddr_in);
114 return sizeof(struct sockaddr_in6);
116 assert(0 && "Unsupported address family");
120 socklen_t SocketAddress::GetLength() const {
121 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
122 return m_socket_addr.sa.sa_len;
124 return GetFamilyLength(GetFamily());
128 socklen_t SocketAddress::GetMaxLength() { return sizeof(sockaddr_t); }
130 sa_family_t SocketAddress::GetFamily() const {
131 return m_socket_addr.sa.sa_family;
134 void SocketAddress::SetFamily(sa_family_t family) {
135 m_socket_addr.sa.sa_family = family;
136 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
137 m_socket_addr.sa.sa_len = GetFamilyLength(family);
141 std::string SocketAddress::GetIPAddress() const {
142 char str[INET6_ADDRSTRLEN] = {0};
143 switch (GetFamily()) {
145 if (inet_ntop(GetFamily(), &m_socket_addr.sa_ipv4.sin_addr, str,
150 if (inet_ntop(GetFamily(), &m_socket_addr.sa_ipv6.sin6_addr, str,
158 uint16_t SocketAddress::GetPort() const {
159 switch (GetFamily()) {
161 return ntohs(m_socket_addr.sa_ipv4.sin_port);
163 return ntohs(m_socket_addr.sa_ipv6.sin6_port);
168 bool SocketAddress::SetPort(uint16_t port) {
169 switch (GetFamily()) {
171 m_socket_addr.sa_ipv4.sin_port = htons(port);
175 m_socket_addr.sa_ipv6.sin6_port = htons(port);
181 //----------------------------------------------------------------------
182 // SocketAddress assignment operator
183 //----------------------------------------------------------------------
184 const SocketAddress &SocketAddress::operator=(const SocketAddress &rhs) {
186 m_socket_addr = rhs.m_socket_addr;
190 const SocketAddress &SocketAddress::
191 operator=(const struct addrinfo *addr_info) {
193 if (addr_info && addr_info->ai_addr && addr_info->ai_addrlen > 0 &&
194 addr_info->ai_addrlen <= sizeof m_socket_addr) {
195 ::memcpy(&m_socket_addr, addr_info->ai_addr, addr_info->ai_addrlen);
200 const SocketAddress &SocketAddress::operator=(const struct sockaddr &s) {
201 m_socket_addr.sa = s;
205 const SocketAddress &SocketAddress::operator=(const struct sockaddr_in &s) {
206 m_socket_addr.sa_ipv4 = s;
210 const SocketAddress &SocketAddress::operator=(const struct sockaddr_in6 &s) {
211 m_socket_addr.sa_ipv6 = s;
215 const SocketAddress &SocketAddress::
216 operator=(const struct sockaddr_storage &s) {
217 m_socket_addr.sa_storage = s;
221 bool SocketAddress::getaddrinfo(const char *host, const char *service,
222 int ai_family, int ai_socktype, int ai_protocol,
226 struct addrinfo hints;
227 memset(&hints, 0, sizeof(hints));
228 hints.ai_family = ai_family;
229 hints.ai_socktype = ai_socktype;
230 hints.ai_protocol = ai_protocol;
231 hints.ai_flags = ai_flags;
234 struct addrinfo *service_info_list = NULL;
235 int err = ::getaddrinfo(host, service, &hints, &service_info_list);
236 if (err == 0 && service_info_list) {
237 *this = service_info_list;
241 if (service_info_list)
242 ::freeaddrinfo(service_info_list);
247 bool SocketAddress::SetToLocalhost(sa_family_t family, uint16_t port) {
252 m_socket_addr.sa_ipv4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
260 m_socket_addr.sa_ipv6.sin6_addr = in6addr_loopback;
269 bool SocketAddress::SetToAnyAddress(sa_family_t family, uint16_t port) {
274 m_socket_addr.sa_ipv4.sin_addr.s_addr = htonl(INADDR_ANY);
282 m_socket_addr.sa_ipv6.sin6_addr = in6addr_any;