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-rw-r--r--src/Sockets/Utility.cpp954
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diff --git a/src/Sockets/Utility.cpp b/src/Sockets/Utility.cpp
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--- a/src/Sockets/Utility.cpp
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-/** \file Utility.cpp
- ** \date 2004-02-13
- ** \author grymse@alhem.net
-**/
-/*
-Copyright (C) 2004-2007 Anders Hedstrom
-
-This library is made available under the terms of the GNU GPL.
-
-If you would like to use this library in a closed-source application,
-a separate license agreement is available. For information about
-the closed-source license agreement for the C++ sockets library,
-please visit http://www.alhem.net/Sockets/license.html and/or
-email license@alhem.net.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-#include "Utility.h"
-#include "Parse.h"
-#include "Ipv4Address.h"
-#include "Ipv6Address.h"
-#include "RandomNumber.h"
-#include "Base64.h"
-#include <vector>
-#ifdef _WIN32
-#include <time.h>
-#else
-#include <netdb.h>
-#include <pthread.h>
-#endif
-#include <map>
-#include <cstring>
-
-#ifdef SOCKETS_NAMESPACE
-namespace SOCKETS_NAMESPACE {
-#endif
-
-
-// statics
-std::string Utility::m_host;
-bool Utility::m_local_resolved = false;
-ipaddr_t Utility::m_ip = 0;
-std::string Utility::m_addr;
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
-struct in6_addr Utility::m_local_ip6;
-std::string Utility::m_local_addr6;
-#endif
-#endif
-
-
-std::string Utility::base64(const std::string& str_in)
-{
- std::string str;
- Base64 m_b;
- m_b.encode(str_in, str, false); // , false == do not add cr/lf
- return str;
-}
-
-
-std::string Utility::base64d(const std::string& str_in)
-{
- std::string str;
- Base64 m_b;
- m_b.decode(str_in, str);
- return str;
-}
-
-
-std::string Utility::l2string(long l)
-{
- std::string str;
- char tmp[100];
- sprintf(tmp,"%ld",l);
- str = tmp;
- return str;
-}
-
-
-std::string Utility::bigint2string(uint64_t l)
-{
- std::string str;
- uint64_t tmp = l;
- while (tmp)
- {
- uint64_t a = tmp % 10;
- str = (char)(a + 48) + str;
- tmp /= 10;
- }
- if (!str.size())
- {
- str = "0";
- }
- return str;
-}
-
-
-uint64_t Utility::atoi64(const std::string& str)
-{
- uint64_t l = 0;
- for (size_t i = 0; i < str.size(); i++)
- {
- l = l * 10 + str[i] - 48;
- }
- return l;
-}
-
-
-unsigned int Utility::hex2unsigned(const std::string& str)
-{
- unsigned int r = 0;
- for (size_t i = 0; i < str.size(); i++)
- {
- r = r * 16 + str[i] - 48 - ((str[i] >= 'A') ? 7 : 0) - ((str[i] >= 'a') ? 32 : 0);
- }
- return r;
-}
-
-
-/*
-* Encode string per RFC1738 URL encoding rules
-* tnx rstaveley
-*/
-std::string Utility::rfc1738_encode(const std::string& src)
-{
-static char hex[] = "0123456789ABCDEF";
- std::string dst;
- for (size_t i = 0; i < src.size(); i++)
- {
- if (isalnum(src[i]))
- {
- dst += src[i];
- }
- else
- if (src[i] == ' ')
- {
- dst += '+';
- }
- else
- {
- unsigned char c = static_cast<unsigned char>(src[i]);
- dst += '%';
- dst += hex[c / 16];
- dst += hex[c % 16];
- }
- }
- return dst;
-} // rfc1738_encode
-
-
-/*
-* Decode string per RFC1738 URL encoding rules
-* tnx rstaveley
-*/
-std::string Utility::rfc1738_decode(const std::string& src)
-{
- std::string dst;
- for (size_t i = 0; i < src.size(); i++)
- {
- if (src[i] == '%' && isxdigit(src[i + 1]) && isxdigit(src[i + 2]))
- {
- char c1 = src[++i];
- char c2 = src[++i];
- c1 = c1 - 48 - ((c1 >= 'A') ? 7 : 0) - ((c1 >= 'a') ? 32 : 0);
- c2 = c2 - 48 - ((c2 >= 'A') ? 7 : 0) - ((c2 >= 'a') ? 32 : 0);
- dst += (char)(c1 * 16 + c2);
- }
- else
- if (src[i] == '+')
- {
- dst += ' ';
- }
- else
- {
- dst += src[i];
- }
- }
- return dst;
-} // rfc1738_decode
-
-
-bool Utility::isipv4(const std::string& str)
-{
- int dots = 0;
- // %! ignore :port?
- for (size_t i = 0; i < str.size(); i++)
- {
- if (str[i] == '.')
- dots++;
- else
- if (!isdigit(str[i]))
- return false;
- }
- if (dots != 3)
- return false;
- return true;
-}
-
-
-bool Utility::isipv6(const std::string& str)
-{
- size_t qc = 0;
- size_t qd = 0;
- for (size_t i = 0; i < str.size(); i++)
- {
- qc += (str[i] == ':') ? 1 : 0;
- qd += (str[i] == '.') ? 1 : 0;
- }
- if (qc > 7)
- {
- return false;
- }
- if (qd && qd != 3)
- {
- return false;
- }
- Parse pa(str,":.");
- std::string tmp = pa.getword();
- while (tmp.size())
- {
- if (tmp.size() > 4)
- {
- return false;
- }
- for (size_t i = 0; i < tmp.size(); i++)
- {
- if (tmp[i] < '0' || (tmp[i] > '9' && tmp[i] < 'A') ||
- (tmp[i] > 'F' && tmp[i] < 'a') || tmp[i] > 'f')
- {
- return false;
- }
- }
- //
- tmp = pa.getword();
- }
- return true;
-}
-
-
-bool Utility::u2ip(const std::string& str, ipaddr_t& l)
-{
- struct sockaddr_in sa;
- bool r = Utility::u2ip(str, sa);
- memcpy(&l, &sa.sin_addr, sizeof(l));
- return r;
-}
-
-
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
-bool Utility::u2ip(const std::string& str, struct in6_addr& l)
-{
- struct sockaddr_in6 sa;
- bool r = Utility::u2ip(str, sa);
- l = sa.sin6_addr;
- return r;
-}
-#endif
-#endif
-
-
-void Utility::l2ip(const ipaddr_t ip, std::string& str)
-{
- struct sockaddr_in sa;
- memset(&sa, 0, sizeof(sa));
- sa.sin_family = AF_INET;
- memcpy(&sa.sin_addr, &ip, sizeof(sa.sin_addr));
- Utility::reverse( (struct sockaddr *)&sa, sizeof(sa), str, NI_NUMERICHOST);
-}
-
-
-void Utility::l2ip(const in_addr& ip, std::string& str)
-{
- struct sockaddr_in sa;
- memset(&sa, 0, sizeof(sa));
- sa.sin_family = AF_INET;
- sa.sin_addr = ip;
- Utility::reverse( (struct sockaddr *)&sa, sizeof(sa), str, NI_NUMERICHOST);
-}
-
-
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
-void Utility::l2ip(const struct in6_addr& ip, std::string& str,bool mixed)
-{
- char slask[100]; // l2ip temporary
- *slask = 0;
- unsigned int prev = 0;
- bool skipped = false;
- bool ok_to_skip = true;
- if (mixed)
- {
- unsigned short x;
- unsigned short addr16[8];
- memcpy(addr16, &ip, sizeof(addr16));
- for (size_t i = 0; i < 6; i++)
- {
- x = ntohs(addr16[i]);
- if (*slask && (x || !ok_to_skip || prev))
- strcat(slask,":");
- if (x || !ok_to_skip)
- {
- sprintf(slask + strlen(slask),"%x", x);
- if (x && skipped)
- ok_to_skip = false;
- }
- else
- {
- skipped = true;
- }
- prev = x;
- }
- x = ntohs(addr16[6]);
- sprintf(slask + strlen(slask),":%u.%u",x / 256,x & 255);
- x = ntohs(addr16[7]);
- sprintf(slask + strlen(slask),".%u.%u",x / 256,x & 255);
- }
- else
- {
- struct sockaddr_in6 sa;
- memset(&sa, 0, sizeof(sa));
- sa.sin6_family = AF_INET6;
- sa.sin6_addr = ip;
- Utility::reverse( (struct sockaddr *)&sa, sizeof(sa), str, NI_NUMERICHOST);
- return;
- }
- str = slask;
-}
-
-
-int Utility::in6_addr_compare(in6_addr a,in6_addr b)
-{
- for (size_t i = 0; i < 16; i++)
- {
- if (a.s6_addr[i] < b.s6_addr[i])
- return -1;
- if (a.s6_addr[i] > b.s6_addr[i])
- return 1;
- }
- return 0;
-}
-#endif
-#endif
-
-
-void Utility::ResolveLocal()
-{
- char h[256];
-
- // get local hostname and translate into ip-address
- *h = 0;
- gethostname(h,255);
- {
- if (Utility::u2ip(h, m_ip))
- {
- Utility::l2ip(m_ip, m_addr);
- }
- }
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- memset(&m_local_ip6, 0, sizeof(m_local_ip6));
- {
- if (Utility::u2ip(h, m_local_ip6))
- {
- Utility::l2ip(m_local_ip6, m_local_addr6);
- }
- }
-#endif
-#endif
- m_host = h;
- m_local_resolved = true;
-}
-
-
-const std::string& Utility::GetLocalHostname()
-{
- if (!m_local_resolved)
- {
- ResolveLocal();
- }
- return m_host;
-}
-
-
-ipaddr_t Utility::GetLocalIP()
-{
- if (!m_local_resolved)
- {
- ResolveLocal();
- }
- return m_ip;
-}
-
-
-const std::string& Utility::GetLocalAddress()
-{
- if (!m_local_resolved)
- {
- ResolveLocal();
- }
- return m_addr;
-}
-
-
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
-const struct in6_addr& Utility::GetLocalIP6()
-{
- if (!m_local_resolved)
- {
- ResolveLocal();
- }
- return m_local_ip6;
-}
-
-
-const std::string& Utility::GetLocalAddress6()
-{
- if (!m_local_resolved)
- {
- ResolveLocal();
- }
- return m_local_addr6;
-}
-#endif
-#endif
-
-
-void Utility::SetEnv(const std::string& var,const std::string& value)
-{
-#if (defined(SOLARIS8) || defined(SOLARIS))
- {
- static std::map<std::string, char *> vmap;
- if (vmap.find(var) != vmap.end())
- {
- delete[] vmap[var];
- }
- vmap[var] = new char[var.size() + 1 + value.size() + 1];
- sprintf(vmap[var], "%s=%s", var.c_str(), value.c_str());
- putenv( vmap[var] );
- }
-#elif defined _WIN32
- {
- std::string slask = var + "=" + value;
- _putenv( (char *)slask.c_str());
- }
-#else
- setenv(var.c_str(), value.c_str(), 1);
-#endif
-}
-
-
-std::string Utility::Sa2String(struct sockaddr *sa)
-{
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- if (sa -> sa_family == AF_INET6)
- {
- struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
- std::string tmp;
- Utility::l2ip(sa6 -> sin6_addr, tmp);
- return tmp + ":" + Utility::l2string(ntohs(sa6 -> sin6_port));
- }
-#endif
-#endif
- if (sa -> sa_family == AF_INET)
- {
- struct sockaddr_in *sa4 = (struct sockaddr_in *)sa;
- ipaddr_t a;
- memcpy(&a, &sa4 -> sin_addr, 4);
- std::string tmp;
- Utility::l2ip(a, tmp);
- return tmp + ":" + Utility::l2string(ntohs(sa4 -> sin_port));
- }
- return "";
-}
-
-
-void Utility::GetTime(struct timeval *p)
-{
-#ifdef _WIN32
- FILETIME ft; // Contains a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 (UTC).
- GetSystemTimeAsFileTime(&ft);
- uint64_t tt;
- memcpy(&tt, &ft, sizeof(tt));
- tt /= 10; // make it usecs
- p->tv_sec = (long)tt / 1000000;
- p->tv_usec = (long)tt % 1000000;
-#else
- gettimeofday(p, NULL);
-#endif
-}
-
-
-std::auto_ptr<SocketAddress> Utility::CreateAddress(struct sockaddr *sa,socklen_t sa_len)
-{
- switch (sa -> sa_family)
- {
- case AF_INET:
- if (sa_len == sizeof(struct sockaddr_in))
- {
- struct sockaddr_in *p = (struct sockaddr_in *)sa;
- return std::auto_ptr<SocketAddress>(new Ipv4Address(*p));
- }
- break;
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
- case AF_INET6:
- if (sa_len == sizeof(struct sockaddr_in6))
- {
- struct sockaddr_in6 *p = (struct sockaddr_in6 *)sa;
- return std::auto_ptr<SocketAddress>(new Ipv6Address(*p));
- }
- break;
-#endif
-#endif
- }
- return std::auto_ptr<SocketAddress>(NULL);
-}
-
-
-bool Utility::u2ip(const std::string& host, struct sockaddr_in& sa, int ai_flags)
-{
- memset(&sa, 0, sizeof(sa));
- sa.sin_family = AF_INET;
-#ifdef NO_GETADDRINFO
- if ((ai_flags & AI_NUMERICHOST) != 0 || isipv4(host))
- {
- Parse pa((char *)host.c_str(), ".");
- union {
- struct {
- unsigned char b1;
- unsigned char b2;
- unsigned char b3;
- unsigned char b4;
- } a;
- ipaddr_t l;
- } u;
- u.a.b1 = static_cast<unsigned char>(pa.getvalue());
- u.a.b2 = static_cast<unsigned char>(pa.getvalue());
- u.a.b3 = static_cast<unsigned char>(pa.getvalue());
- u.a.b4 = static_cast<unsigned char>(pa.getvalue());
- memcpy(&sa.sin_addr, &u.l, sizeof(sa.sin_addr));
- return true;
- }
-#ifndef LINUX
- struct hostent *he = gethostbyname( host.c_str() );
- if (!he)
- {
- return false;
- }
- memcpy(&sa.sin_addr, he -> h_addr, sizeof(sa.sin_addr));
-#else
- struct hostent he;
- struct hostent *result = NULL;
- int myerrno = 0;
- char buf[2000];
- int n = gethostbyname_r(host.c_str(), &he, buf, sizeof(buf), &result, &myerrno);
- if (n || !result)
- {
- return false;
- }
- if (he.h_addr_list && he.h_addr_list[0])
- memcpy(&sa.sin_addr, he.h_addr, 4);
- else
- return false;
-#endif
- return true;
-#else
- struct addrinfo hints;
- memset(&hints, 0, sizeof(hints));
- // AI_NUMERICHOST
- // AI_CANONNAME
- // AI_PASSIVE - server
- // AI_ADDRCONFIG
- // AI_V4MAPPED
- // AI_ALL
- // AI_NUMERICSERV
- hints.ai_flags = ai_flags;
- hints.ai_family = AF_INET;
- hints.ai_socktype = 0;
- hints.ai_protocol = 0;
- struct addrinfo *res;
- if (Utility::isipv4(host))
- hints.ai_flags |= AI_NUMERICHOST;
- int n = getaddrinfo(host.c_str(), NULL, &hints, &res);
- if (!n)
- {
- static RandomNumber prng( true );
- std::vector<struct addrinfo *> vec;
- struct addrinfo *ai = res;
- while (ai)
- {
- if (ai -> ai_addrlen == sizeof(sa))
- vec.push_back( ai );
- prng.next();
- //
- ai = ai -> ai_next;
- }
- if (!vec.size())
- return false;
- ai = vec[prng.next() % vec.size()];
- {
- memcpy(&sa, ai -> ai_addr, ai -> ai_addrlen);
- }
- freeaddrinfo(res);
- return true;
- }
- std::string error = "Error: ";
-#ifndef __CYGWIN__
- error += gai_strerror(n);
-#endif
- return false;
-#endif // NO_GETADDRINFO
-}
-
-
-#ifdef ENABLE_IPV6
-#ifdef IPPROTO_IPV6
-bool Utility::u2ip(const std::string& host, struct sockaddr_in6& sa, int ai_flags)
-{
- memset(&sa, 0, sizeof(sa));
- sa.sin6_family = AF_INET6;
-#ifdef NO_GETADDRINFO
- if ((ai_flags & AI_NUMERICHOST) != 0 || isipv6(host))
- {
- std::list<std::string> vec;
- size_t x = 0;
- for (size_t i = 0; i <= host.size(); i++)
- {
- if (i == host.size() || host[i] == ':')
- {
- std::string s = host.substr(x, i - x);
- //
- if (strstr(s.c_str(),".")) // x.x.x.x
- {
- Parse pa(s,".");
- char slask[100]; // u2ip temporary hex2string conversion
- unsigned long b0 = static_cast<unsigned long>(pa.getvalue());
- unsigned long b1 = static_cast<unsigned long>(pa.getvalue());
- unsigned long b2 = static_cast<unsigned long>(pa.getvalue());
- unsigned long b3 = static_cast<unsigned long>(pa.getvalue());
- sprintf(slask,"%lx",b0 * 256 + b1);
- vec.push_back(slask);
- sprintf(slask,"%lx",b2 * 256 + b3);
- vec.push_back(slask);
- }
- else
- {
- vec.push_back(s);
- }
- //
- x = i + 1;
- }
- }
- size_t sz = vec.size(); // number of byte pairs
- size_t i = 0; // index in in6_addr.in6_u.u6_addr16[] ( 0 .. 7 )
- unsigned short addr16[8];
- for (std::list<std::string>::iterator it = vec.begin(); it != vec.end(); it++)
- {
- std::string bytepair = *it;
- if (bytepair.size())
- {
- addr16[i++] = htons(Utility::hex2unsigned(bytepair));
- }
- else
- {
- addr16[i++] = 0;
- while (sz++ < 8)
- {
- addr16[i++] = 0;
- }
- }
- }
- memcpy(&sa.sin6_addr, addr16, sizeof(addr16));
- return true;
- }
-#ifdef SOLARIS
- int errnum = 0;
- struct hostent *he = getipnodebyname( host.c_str(), AF_INET6, 0, &errnum );
-#else
- struct hostent *he = gethostbyname2( host.c_str(), AF_INET6 );
-#endif
- if (!he)
- {
- return false;
- }
- memcpy(&sa.sin6_addr,he -> h_addr_list[0],he -> h_length);
-#ifdef SOLARIS
- free(he);
-#endif
- return true;
-#else
- struct addrinfo hints;
- memset(&hints, 0, sizeof(hints));
- hints.ai_flags = ai_flags;
- hints.ai_family = AF_INET6;
- hints.ai_socktype = 0;
- hints.ai_protocol = 0;
- struct addrinfo *res;
- if (Utility::isipv6(host))
- hints.ai_flags |= AI_NUMERICHOST;
- int n = getaddrinfo(host.c_str(), NULL, &hints, &res);
- if (!n)
- {
- static RandomNumber prng( true );
- std::vector<struct addrinfo *> vec;
- struct addrinfo *ai = res;
- while (ai)
- {
- if (ai -> ai_addrlen == sizeof(sa))
- vec.push_back( ai );
- prng.next();
- //
- ai = ai -> ai_next;
- }
- if (!vec.size())
- return false;
- ai = vec[prng.next() % vec.size()];
- {
- memcpy(&sa, ai -> ai_addr, ai -> ai_addrlen);
- }
- freeaddrinfo(res);
- return true;
- }
- std::string error = "Error: ";
-#ifndef __CYGWIN__
- error += gai_strerror(n);
-#endif
- return false;
-#endif // NO_GETADDRINFO
-}
-#endif // IPPROTO_IPV6
-#endif // ENABLE_IPV6
-
-
-bool Utility::reverse(struct sockaddr *sa, socklen_t sa_len, std::string& hostname, int flags)
-{
- std::string service;
- return Utility::reverse(sa, sa_len, hostname, service, flags);
-}
-
-
-bool Utility::reverse(struct sockaddr *sa, socklen_t sa_len, std::string& hostname, std::string& service, int flags)
-{
- hostname = "";
- service = "";
-#ifdef NO_GETADDRINFO
- switch (sa -> sa_family)
- {
- case AF_INET:
- if (flags & NI_NUMERICHOST)
- {
- union {
- struct {
- unsigned char b1;
- unsigned char b2;
- unsigned char b3;
- unsigned char b4;
- } a;
- ipaddr_t l;
- } u;
- struct sockaddr_in *sa_in = (struct sockaddr_in *)sa;
- memcpy(&u.l, &sa_in -> sin_addr, sizeof(u.l));
- char tmp[100];
- sprintf(tmp, "%u.%u.%u.%u", u.a.b1, u.a.b2, u.a.b3, u.a.b4);
- hostname = tmp;
- return true;
- }
- else
- {
- struct sockaddr_in *sa_in = (struct sockaddr_in *)sa;
- struct hostent *h = gethostbyaddr( (const char *)&sa_in -> sin_addr, sizeof(sa_in -> sin_addr), AF_INET);
- if (h)
- {
- hostname = h -> h_name;
- return true;
- }
- }
- break;
-#ifdef ENABLE_IPV6
- case AF_INET6:
- if (flags & NI_NUMERICHOST)
- {
- char slask[100]; // l2ip temporary
- *slask = 0;
- unsigned int prev = 0;
- bool skipped = false;
- bool ok_to_skip = true;
- {
- unsigned short addr16[8];
- struct sockaddr_in6 *sa_in6 = (struct sockaddr_in6 *)sa;
- memcpy(addr16, &sa_in6 -> sin6_addr, sizeof(addr16));
- for (size_t i = 0; i < 8; i++)
- {
- unsigned short x = ntohs(addr16[i]);
- if (*slask && (x || !ok_to_skip || prev))
- strcat(slask,":");
- if (x || !ok_to_skip)
- {
- sprintf(slask + strlen(slask),"%x", x);
- if (x && skipped)
- ok_to_skip = false;
- }
- else
- {
- skipped = true;
- }
- prev = x;
- }
- }
- if (!*slask)
- strcpy(slask, "::");
- hostname = slask;
- return true;
- }
- else
- {
- // %! TODO: ipv6 reverse lookup
- struct sockaddr_in6 *sa_in = (struct sockaddr_in6 *)sa;
- struct hostent *h = gethostbyaddr( (const char *)&sa_in -> sin6_addr, sizeof(sa_in -> sin6_addr), AF_INET6);
- if (h)
- {
- hostname = h -> h_name;
- return true;
- }
- }
- break;
-#endif
- }
- return false;
-#else
- char host[NI_MAXHOST];
- char serv[NI_MAXSERV];
- // NI_NOFQDN
- // NI_NUMERICHOST
- // NI_NAMEREQD
- // NI_NUMERICSERV
- // NI_DGRAM
- int n = getnameinfo(sa, sa_len, host, sizeof(host), serv, sizeof(serv), flags);
- if (n)
- {
- // EAI_AGAIN
- // EAI_BADFLAGS
- // EAI_FAIL
- // EAI_FAMILY
- // EAI_MEMORY
- // EAI_NONAME
- // EAI_OVERFLOW
- // EAI_SYSTEM
- return false;
- }
- hostname = host;
- service = serv;
- return true;
-#endif // NO_GETADDRINFO
-}
-
-
-bool Utility::u2service(const std::string& name, int& service, int ai_flags)
-{
-#ifdef NO_GETADDRINFO
- // %!
- return false;
-#else
- struct addrinfo hints;
- service = 0;
- memset(&hints, 0, sizeof(hints));
- // AI_NUMERICHOST
- // AI_CANONNAME
- // AI_PASSIVE - server
- // AI_ADDRCONFIG
- // AI_V4MAPPED
- // AI_ALL
- // AI_NUMERICSERV
- hints.ai_flags = ai_flags;
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = 0;
- hints.ai_protocol = 0;
- struct addrinfo *res;
- int n = getaddrinfo(NULL, name.c_str(), &hints, &res);
- if (!n)
- {
- service = res -> ai_protocol;
- freeaddrinfo(res);
- return true;
- }
- return false;
-#endif // NO_GETADDRINFO
-}
-
-
-unsigned long Utility::ThreadID()
-{
-#ifdef _WIN32
- return GetCurrentThreadId();
-#else
- return (unsigned long)pthread_self();
-#endif
-}
-
-
-std::string Utility::ToLower(const std::string& str)
-{
- std::string r;
- for (size_t i = 0; i < str.size(); i++)
- {
- if (str[i] >= 'A' && str[i] <= 'Z')
- r += str[i] | 32;
- else
- r += str[i];
- }
- return r;
-}
-
-
-std::string Utility::ToUpper(const std::string& str)
-{
- std::string r;
- for (size_t i = 0; i < str.size(); i++)
- {
- if (str[i] >= 'a' && str[i] <= 'z')
- r += (char)(str[i] - 32);
- else
- r += str[i];
- }
- return r;
-}
-
-
-std::string Utility::ToString(double d)
-{
- char tmp[100];
- sprintf(tmp, "%f", d);
- return tmp;
-}
-
-
-#ifdef SOCKETS_NAMESPACE
-}
-#endif
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-25 04:59:51 +0000