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Diffstat (limited to 'src/Sockets/Utility.h')
| -rw-r--r-- | src/Sockets/Utility.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/Sockets/Utility.h b/src/Sockets/Utility.h new file mode 100644 index 0000000..133fbd1 --- /dev/null +++ b/src/Sockets/Utility.h @@ -0,0 +1,153 @@ +/** \file Utility.h + ** \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. +*/ +#ifndef _SOCKETS_Utility_H +#define _SOCKETS_Utility_H + +#include "sockets-config.h" +#include <ctype.h> +#include <memory> +#include "socket_include.h" + +#ifdef SOCKETS_NAMESPACE +namespace SOCKETS_NAMESPACE { +#endif + +class SocketAddress; + +/** Conversion utilities. + \ingroup util */ +class Utility +{ +public: + static std::string base64(const std::string& str_in); + static std::string base64d(const std::string& str_in); + static std::string l2string(long l); + static std::string bigint2string(uint64_t l); + static uint64_t atoi64(const std::string& str); + static unsigned int hex2unsigned(const std::string& str); + static std::string rfc1738_encode(const std::string& src); + static std::string rfc1738_decode(const std::string& src); + + /** Checks whether a string is a valid ipv4/ipv6 ip number. */ + static bool isipv4(const std::string&); + /** Checks whether a string is a valid ipv4/ipv6 ip number. */ + static bool isipv6(const std::string&); + + /** Hostname to ip resolution ipv4, not asynchronous. */ + static bool u2ip(const std::string&, ipaddr_t&); + static bool u2ip(const std::string&, struct sockaddr_in& sa, int ai_flags = 0); + +#ifdef ENABLE_IPV6 +#ifdef IPPROTO_IPV6 + /** Hostname to ip resolution ipv6, not asynchronous. */ + static bool u2ip(const std::string&, struct in6_addr&); + static bool u2ip(const std::string&, struct sockaddr_in6& sa, int ai_flags = 0); +#endif +#endif + + /** Reverse lookup of address to hostname */ + static bool reverse(struct sockaddr *sa, socklen_t sa_len, std::string&, int flags = 0); + static bool reverse(struct sockaddr *sa, socklen_t sa_len, std::string& hostname, std::string& service, int flags = 0); + + static bool u2service(const std::string& name, int& service, int ai_flags = 0); + + /** Convert binary ip address to string: ipv4. */ + static void l2ip(const ipaddr_t,std::string& ); + static void l2ip(const in_addr&,std::string& ); +#ifdef ENABLE_IPV6 +#ifdef IPPROTO_IPV6 + /** Convert binary ip address to string: ipv6. */ + static void l2ip(const struct in6_addr&,std::string& ,bool mixed = false); + + /** ipv6 address compare. */ + static int in6_addr_compare(in6_addr,in6_addr); +#endif +#endif + /** ResolveLocal (hostname) - call once before calling any GetLocal method. */ + static void ResolveLocal(); + /** Returns local hostname, ResolveLocal must be called once before using. + \sa ResolveLocal */ + static const std::string& GetLocalHostname(); + /** Returns local ip, ResolveLocal must be called once before using. + \sa ResolveLocal */ + static ipaddr_t GetLocalIP(); + /** Returns local ip number as string. + \sa ResolveLocal */ + static const std::string& GetLocalAddress(); +#ifdef ENABLE_IPV6 +#ifdef IPPROTO_IPV6 + /** Returns local ipv6 ip. + \sa ResolveLocal */ + static const struct in6_addr& GetLocalIP6(); + /** Returns local ipv6 address. + \sa ResolveLocal */ + static const std::string& GetLocalAddress6(); +#endif +#endif + /** Set environment variable. + \param var Name of variable to set + \param value Value */ + static void SetEnv(const std::string& var,const std::string& value); + /** Convert sockaddr struct to human readable string. + \param sa Ptr to sockaddr struct */ + static std::string Sa2String(struct sockaddr *sa); + + /** Get current time in sec/microseconds. */ + static void GetTime(struct timeval *); + + static std::auto_ptr<SocketAddress> CreateAddress(struct sockaddr *,socklen_t); + + static unsigned long ThreadID(); + + static std::string ToLower(const std::string& str); + static std::string ToUpper(const std::string& str); + + static std::string ToString(double d); + +private: + static std::string m_host; ///< local hostname + static ipaddr_t m_ip; ///< local ip address + static std::string m_addr; ///< local ip address in string format +#ifdef ENABLE_IPV6 +#ifdef IPPROTO_IPV6 + static struct in6_addr m_local_ip6; ///< local ipv6 address +#endif + static std::string m_local_addr6; ///< local ipv6 address in string format +#endif + static bool m_local_resolved; ///< ResolveLocal has been called if true +}; + + +#ifdef SOCKETS_NAMESPACE +} +#endif + +#endif // _SOCKETS_Utility_H + |