big svn cleanup

1 files changed, 0 insertions, 953 deletions

diff --git a/Sockets/Utility.cpp b/Sockets/Utility.cpp
deleted file mode 100644
index a80e2a8..0000000
--- a/Sockets/Utility.cpp
+++ /dev/null
@@ -1,953 +0,0 @@
-/** \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>
-
-#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
-