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address.h

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00001 // Copyright (C) 1999-2005 Open Source Telecom Corporation.
00002 //
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 2 of the License, or
00006 // (at your option) any later version.
00007 //
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00016 //
00017 // As a special exception, you may use this file as part of a free software
00018 // library without restriction.  Specifically, if other files instantiate
00019 // templates or use macros or inline functions from this file, or you compile
00020 // this file and link it with other files to produce an executable, this
00021 // file does not by itself cause the resulting executable to be covered by
00022 // the GNU General Public License.  This exception does not however
00023 // invalidate any other reasons why the executable file might be covered by
00024 // the GNU General Public License.
00025 //
00026 // This exception applies only to the code released under the name GNU
00027 // Common C++.  If you copy code from other releases into a copy of GNU
00028 // Common C++, as the General Public License permits, the exception does
00029 // not apply to the code that you add in this way.  To avoid misleading
00030 // anyone as to the status of such modified files, you must delete
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00032 //
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00034 // whether to permit this exception to apply to your modifications.
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00036 //
00037 
00043 #ifndef CCXX_ADDRESS_H_
00044 #define CCXX_ADDRESS_H_
00045 
00046 #ifndef CCXX_CONFIG_H_
00047 #include <cc++/config.h>
00048 #endif
00049 
00050 #ifndef CCXX_MISSING_H_
00051 #include <cc++/missing.h>
00052 #endif
00053 
00054 #ifndef CCXX_THREAD_H_
00055 #include <cc++/thread.h>
00056 #endif
00057 
00058 #ifndef CCXX_EXCEPTION_H_
00059 #include <cc++/exception.h>
00060 #endif
00061 
00062 #ifdef  CCXX_NAMESPACES
00063 namespace ost {
00064 #endif
00065 
00066 // future definition of ipv4 specific classes, now defines
00067 
00068 #define INET_IPV4_ADDRESS_SIZE  16
00069 #define CIDR_IPV4_ADDRESS_SIZE  32
00070 #define INET_IPV6_ADDRESS_SIZE  40
00071 #define CIDR_IPV6_ADDRESS_SIZE  45
00072 
00073 #define CIDR            IPV4Cidr
00074 #define InetAddress     IPV4Address
00075 #define InetHostAddress IPV4Host
00076 #define InetMaskAddress IPV4Mask
00077 #define InetMcastAddress IPV4Multicast
00078 #define InetMcastAddressValidator IPV4MulticastValidator
00079 #define InetAddrValidator IPV4Validator
00080 #define BroadcastAddress IPV4Broadcast
00081 
00085 typedef unsigned short tpport_t;
00086 
00087 class __EXPORT IPV4Host;
00088 
00097 class __EXPORT IPV4Validator
00098 {
00099 public:
00103         IPV4Validator() { };
00104 
00108         virtual ~IPV4Validator() {};
00109 
00114         virtual void
00115         operator()(const in_addr address) const = 0;
00116 };
00117 
00126 class __EXPORT IPV4MulticastValidator: public IPV4Validator
00127 {
00128 public:
00132         IPV4MulticastValidator(){};
00133 
00137         virtual ~IPV4MulticastValidator(){};
00138 
00143         void operator()(const in_addr address) const;
00144 private:
00145 #if __BYTE_ORDER == __BIG_ENDIAN
00146         enum {
00147                 MCAST_VALID_MASK = 0xF0000000,
00148                 MCAST_VALID_VALUE = 0xE0000000
00149         };
00150 #else
00151         enum {
00152                 MCAST_VALID_MASK = 0x000000F0,
00153                 MCAST_VALID_VALUE = 0x000000E0
00154         };
00155 #endif
00156 };
00157 
00165 class __EXPORT IPV4Cidr
00166 {
00167 protected:
00168         struct in_addr netmask, network;
00169 
00170         unsigned getMask(const char *cp) const;
00171 public:
00177         inline struct in_addr getNetwork(void) const
00178                 {return network;};
00179 
00185         inline struct in_addr getNetmask(void) const
00186                 {return netmask;};
00187 
00193         struct in_addr getBroadcast(void) const;
00194 
00201         void set(const char *cidr);
00202 
00208         IPV4Cidr(const char *cidr);
00209 
00213         IPV4Cidr();
00214 
00220         IPV4Cidr(IPV4Cidr &);
00221 
00228         bool isMember(const struct sockaddr *saddr) const;
00229 
00236         bool isMember(const struct in_addr &inaddr) const;
00237 
00238         inline bool operator==(const struct sockaddr *a) const
00239                 {return isMember(a);};
00240 
00241         inline bool operator==(const struct in_addr &a) const
00242                 {return isMember(a);};
00243 };
00244 
00245 #ifdef  CCXX_IPV6
00246 
00253 class __EXPORT IPV6Cidr
00254 {
00255 protected:
00256         struct in6_addr netmask, network;
00257 
00258         unsigned getMask(const char *cp) const;
00259 public:
00265         inline struct in6_addr getNetwork(void) const
00266                 {return network;};
00267 
00273         inline struct in6_addr getNetmask(void) const
00274                 {return netmask;};
00275 
00281         struct in6_addr getBroadcast(void) const;
00282 
00289         void set(const char *cidr);
00290 
00296         IPV6Cidr(const char *cidr);
00297 
00301         IPV6Cidr();
00302 
00308         IPV6Cidr(IPV6Cidr &);
00309 
00316         bool isMember(const struct sockaddr *saddr) const;
00317 
00324         bool isMember(const struct in6_addr &inaddr) const;
00325 
00326         inline bool operator==(const struct sockaddr *sa) const
00327                 {return isMember(sa);};
00328 
00329         inline bool operator==(const struct in6_addr &a) const
00330                 {return isMember(a);};
00331 };
00332 
00333 #endif
00334 
00349 class __EXPORT IPV4Address
00350 {
00351 private:
00352         // The validator given to an IPV4Address object must not be a
00353         // transient object, but that must exist at least until the
00354         // last address object of its kind is deleted. This is an
00355         // artifact to be able to do specific checks for derived
00356         // classes inside constructors.
00357         const InetAddrValidator *validator;
00358 
00359 protected:
00360         struct in_addr * ipaddr;
00361         size_t addr_count;
00362         mutable char* hostname;  // hostname for ipaddr[0]. Used by getHostname
00363 #if defined(WIN32)
00364         static MutexCounter counter;
00365 #else
00366         static Mutex mutex;
00367 #endif
00368 
00375         bool setIPAddress(const char *host);
00376 
00383         void setAddress(const char *host);
00384 
00385 public:
00393         IPV4Address(const InetAddrValidator *validator = NULL);
00394 
00403         IPV4Address(struct in_addr addr, const InetAddrValidator *validator = NULL);
00404 
00415         IPV4Address(const char *address, const InetAddrValidator *validator = NULL);
00416 
00420         IPV4Address(const IPV4Address &rhs);
00421 
00425         virtual ~IPV4Address();
00426 
00433         const char *getHostname(void) const;
00434 
00442         bool isInetAddress(void) const;
00443 
00451         struct in_addr getAddress(void) const;
00452 
00464         struct in_addr getAddress(size_t i) const;
00465 
00471         size_t getAddressCount() const { return addr_count; }
00472 
00473         IPV4Address &operator=(const char *str);
00474         IPV4Address &operator=(struct in_addr addr);
00475         IPV4Address &operator=(const IPV4Address &rhs);
00476 
00481         IPV4Address &operator=(unsigned long addr);
00482 
00483         inline IPV4Address &operator=(unsigned int addr)
00484                 {return *this = (unsigned long) addr; }
00485 
00486         inline bool operator!() const
00487                 {return !isInetAddress();};
00488 
00497         bool operator==(const IPV4Address &a) const;
00498 
00506         bool operator!=(const IPV4Address &a) const;
00507 };
00508 
00521 class __EXPORT IPV4Mask : public IPV4Address
00522 {
00523 public:
00530         IPV4Mask(const char *mask);
00531 
00542         friend __EXPORT IPV4Host operator&(const IPV4Host &addr,
00543                                          const IPV4Mask &mask);
00544 
00549         IPV4Address &operator=(unsigned long addr)
00550                 { return IPV4Address::operator =(addr); }
00551 };
00552 
00560 class __EXPORT IPV4Host : public IPV4Address
00561 {
00562 private:
00563         static IPV4Host _host_;
00564 
00565 public:
00578         IPV4Host(const char *host = NULL);
00579 
00587         IPV4Host(struct in_addr addr);
00588 
00593         IPV4Address &operator=(unsigned long addr)
00594         { return IPV4Address::operator =(addr); }
00595 
00600         IPV4Host &operator&=(const IPV4Mask &mask);
00601 
00602         friend class __EXPORT IPV4Mask;
00603         friend __EXPORT IPV4Host operator&(const IPV4Host &addr,
00604                                          const IPV4Mask &mask);
00605 };
00606 
00611 class __EXPORT IPV4Broadcast : public IPV4Address
00612 {
00613 public:
00621         IPV4Broadcast(const char *net = "255.255.255.255");
00622 };
00623 
00633 class __EXPORT IPV4Multicast: public IPV4Address
00634 {
00635 public:
00640         IPV4Multicast();
00641 
00648         IPV4Multicast(const struct in_addr address);
00649 
00659         IPV4Multicast(const char *address);
00660 
00661 private:
00669         static const IPV4MulticastValidator validator;
00670 };
00671 
00672 extern __EXPORT std::ostream& operator<<(std::ostream &os, const IPV4Address &ia);
00673 
00674 inline struct in_addr getaddress(const IPV4Address &ia)
00675         {return ia.getAddress();}
00676 
00677 
00678 #ifdef  CCXX_IPV6
00679 
00680 class __EXPORT IPV6Host;
00681 
00690 class __EXPORT IPV6Validator
00691 {
00692 public:
00696         IPV6Validator() { };
00697 
00701         virtual ~IPV6Validator() {};
00702 
00707         virtual void
00708         operator()(const in6_addr address) const = 0;
00709 };
00710 
00719 class __EXPORT IPV6MulticastValidator: public IPV6Validator
00720 {
00721 public:
00725         IPV6MulticastValidator(){};
00726 
00730         virtual ~IPV6MulticastValidator(){};
00731 
00736         void operator()(const in6_addr address) const;
00737 };
00738 
00753 class __EXPORT IPV6Address
00754 {
00755 private:
00756         // The validator given to an IPV4Address object must not be a
00757         // transient object, but that must exist at least until the
00758         // last address object of its kind is deleted. This is an
00759         // artifact to be able to do specific checks for derived
00760         // classes inside constructors.
00761         const IPV6Validator *validator;
00762 
00763 protected:
00764         struct in6_addr * ipaddr;
00765         size_t addr_count;
00766         mutable char* hostname;  // hostname for ipaddr[0]. Used by getHostname
00767 #if defined(WIN32)
00768         static MutexCounter counter;
00769 #else
00770         static Mutex mutex;
00771 #endif
00772 
00779         bool setIPAddress(const char *host);
00780 
00787         void setAddress(const char *host);
00788 
00789 public:
00797         IPV6Address(const IPV6Validator *validator = NULL);
00798 
00807         IPV6Address(struct in6_addr addr, const IPV6Validator *validator = NULL);
00808 
00819         IPV6Address(const char *address, const IPV6Validator *validator = NULL);
00820 
00824         IPV6Address(const IPV6Address &rhs);
00825 
00829         virtual ~IPV6Address();
00830 
00837         const char *getHostname(void) const;
00838 
00846         bool isInetAddress(void) const;
00847 
00855         struct in6_addr getAddress(void) const;
00856 
00868         struct in6_addr getAddress(size_t i) const;
00869 
00875         size_t getAddressCount() const { return addr_count; }
00876 
00877         IPV6Address &operator=(const char *str);
00878         IPV6Address &operator=(struct in6_addr addr);
00879         IPV6Address &operator=(const IPV6Address &rhs);
00880 
00881         inline bool operator!() const
00882                 {return !isInetAddress();};
00883 
00892         bool operator==(const IPV6Address &a) const;
00893 
00901         bool operator!=(const IPV6Address &a) const;
00902 };
00903 
00916 class __EXPORT IPV6Mask : public IPV6Address
00917 {
00918 public:
00925         IPV6Mask(const char *mask);
00926 
00937         friend __EXPORT IPV6Host operator&(const IPV6Host &addr,
00938                                          const IPV6Mask &mask);
00939 };
00940 
00948 class __EXPORT IPV6Host : public IPV6Address
00949 {
00950 public:
00963         IPV6Host(const char *host = NULL);
00964 
00972         IPV6Host(struct in6_addr addr);
00973 
00978         IPV6Host &operator&=(const IPV6Mask &mask);
00979 
00980         friend class __EXPORT IPV6Mask;
00981         friend __EXPORT IPV6Host operator&(const IPV6Host &addr, const IPV6Mask &mask);
00982 };
00983 
00988 class __EXPORT IPV6Broadcast : public IPV6Address
00989 {
00990 public:
00998         IPV6Broadcast(const char *net = "255.255.255.255");
00999 };
01000 
01010 class __EXPORT IPV6Multicast: public IPV6Address
01011 {
01012 public:
01017         IPV6Multicast();
01018 
01025         IPV6Multicast(const struct in6_addr address);
01026 
01036         IPV6Multicast(const char *address);
01037 
01038 private:
01046         static const IPV6MulticastValidator validator;
01047 };
01048 
01049 extern __EXPORT std::ostream& operator<<(std::ostream &os, const IPV6Address &ia);
01050 
01051 inline struct in6_addr getaddress(const IPV6Address &ia)
01052         {return ia.getAddress();}
01053 
01054 
01055 #endif
01056 
01057 #ifdef  CCXX_NAMESPACES
01058 }
01059 #endif
01060 
01061 #endif
01062 

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