# kdecore Library API Documentation

Overview | Class Hierarchy | Classes | Classes (annotated) | Members | Namespaces | Source Files

# netsupp.h

    00001 /*
    00002  *  This file is part of the KDE libraries
    00003  *  Copyright (C) 2000-2003 Thiago Macieira <thiago.macieira@kdemail.net>>
    00004  *
    00005  *  This library is free software; you can redistribute it and/or
    00006  *  modify it under the terms of the GNU Library General Public
    00007  *  License as published by the Free Software Foundation; either
    00008  *  version 2 of the License, or (at your option) any later version.
    00009  *
    00010  *  This library is distributed in the hope that it will be useful,
    00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013  *  Library General Public License for more details.
    00014  *
    00015  *  You should have received a copy of the GNU Library General Public License
    00016  *  along with this library; see the file COPYING.LIB.  If not, write to
    00017  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00018  *  Boston, MA 02111-1307, USA.
    00019  **/
    00020
    00021 #ifndef _NETSUPP_H_
    00022 #define _NETSUPP_H_
    00023
    00024 #include "kdelibs_export.h"
    00025
    00026 #ifdef HAVE_CONFIG_H
    00027 #include <config.h>
    00028 #endif
    00029
    00030 #include <sys/socket.h>
    00031 #include <netdb.h>
    00032 //#include "ksockaddr.h"
    00033
    00034 /*
    00035  * Seems some systems don't know about AF_LOCAL
    00036  */
    00037 #ifndef AF_LOCAL
    00038 #define AF_LOCAL    AF_UNIX
    00039 #define PF_LOCAL    PF_UNIX
    00040 #endif
    00041
    00042 #ifdef CLOBBER_IN6
    00043 #define kde_in6_addr        in6_addr
    00044 #define kde_sockaddr_in6    sockaddr_in6
    00045 #endif
    00046
    00047 /*** IPv6 structures that might be missing from some implementations ***/
    00048
    00053 struct kde_in6_addr
    00054 {
    00055   unsigned char __u6_addr[16];
    00056 };
    00057
    00062 struct kde_sockaddr_in6
    00063 {
    00064 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
    00065   Q_UINT8       sin6_len;
    00066   Q_UINT8       sin6_family;
    00067 #else  //HAVE_STRUCT_SOCKADDR_SA_LEN
    00068   Q_UINT16      sin6_family;
    00069 #endif
    00070   unsigned short        sin6_port;  /* RFC says in_port_t */
    00071   Q_UINT32      sin6_flowinfo;
    00072   struct kde_in6_addr   sin6_addr;
    00073   Q_UINT32      sin6_scope_id;
    00074 };
    00075
    00076 /* IPv6 test macros that could be missing from some implementations */
    00077
    00078 #define KDE_IN6_IS_ADDR_UNSPECIFIED(a) \
    00079     (((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
    00080      ((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == 0)
    00081
    00082 #define KDE_IN6_IS_ADDR_LOOPBACK(a) \
    00083     (((Q_UINT32 *) (a))[0] == 0 && ((Q_UINT32 *) (a))[1] == 0 && \
    00084      ((Q_UINT32 *) (a))[2] == 0 && ((Q_UINT32 *) (a))[3] == htonl (1))
    00085
    00086 #define KDE_IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
    00087
    00088 #define KDE_IN6_IS_ADDR_LINKLOCAL(a) \
    00089     ((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
    00090
    00091 #define KDE_IN6_IS_ADDR_SITELOCAL(a) \
    00092     ((((Q_UINT32 *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
    00093
    00094 #define KDE_IN6_IS_ADDR_V4MAPPED(a) \
    00095     ((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
    00096      (((Q_UINT32 *) (a))[2] == htonl (0xffff)))
    00097
    00098 #define KDE_IN6_IS_ADDR_V4COMPAT(a) \
    00099     ((((Q_UINT32 *) (a))[0] == 0) && (((Q_UINT32 *) (a))[1] == 0) && \
    00100      (((Q_UINT32 *) (a))[2] == 0) && (ntohl (((Q_UINT32 *) (a))[3]) > 1))
    00101
    00102 #define KDE_IN6_ARE_ADDR_EQUAL(a,b) \
    00103     ((((Q_UINT32 *) (a))[0] == ((Q_UINT32 *) (b))[0]) && \
    00104      (((Q_UINT32 *) (a))[1] == ((Q_UINT32 *) (b))[1]) && \
    00105      (((Q_UINT32 *) (a))[2] == ((Q_UINT32 *) (b))[2]) && \
    00106      (((Q_UINT32 *) (a))[3] == ((Q_UINT32 *) (b))[3]))
    00107
    00108 #define KDE_IN6_IS_ADDR_MC_NODELOCAL(a) \
    00109     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x1))
    00110
    00111 #define KDE_IN6_IS_ADDR_MC_LINKLOCAL(a) \
    00112     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x2))
    00113
    00114 #define KDE_IN6_IS_ADDR_MC_SITELOCAL(a) \
    00115     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x5))
    00116
    00117 #define KDE_IN6_IS_ADDR_MC_ORGLOCAL(a) \
    00118     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0x8))
    00119
    00120 #define KDE_IN6_IS_ADDR_MC_GLOBAL(a) \
    00121     (KDE_IN6_IS_ADDR_MULTICAST(a) && ((((Q_UINT8 *) (a))[1] & 0xf) == 0xe))
    00122
    00123 #ifdef NEED_IN6_TESTS
    00124 # define IN6_IS_ADDR_UNSPECIFIED    KDE_IN6_IS_ADDR_UNSPECIFIED
    00125 # define IN6_IS_ADDR_LOOPBACK       KDE_IN6_IS_ADDR_LOOPBACK
    00126 # define IN6_IS_ADDR_MULTICAST      KDE_IN6_IS_ADDR_MULTICAST
    00127 # define IN6_IS_ADDR_LINKLOCAL      KDE_IN6_IS_ADDR_LINKLOCAL
    00128 # define IN6_IS_ADDR_SITELOCAL      KDE_IN6_IS_ADDR_SITELOCAL
    00129 # define IN6_IS_ADDR_V4MAPPED       KDE_IN6_IS_ADDR_V4MAPPED
    00130 # define IN6_IS_ADDR_V4COMPAT       KDE_IN6_IS_ADDR_V4COMPAT
    00131 # define IN6_ARE_ADDR_EQUAL     KDE_IN6_ARE_ADDR_EQUAL
    00132 # define IN6_IS_ADDR_MC_NODELOCAL   KDE_IN6_IS_ADDR_MC_NODELOCAL
    00133 # define IN6_IS_ADDR_MC_LINKLOCAL   KDE_IN6_IS_ADDR_MC_LINKLOCAL
    00134 # define IN6_IS_ADDR_MC_SITELOCAL   KDE_IN6_IS_ADDR_MC_SITELOCAL
    00135 # define IN6_IS_ADDR_MC_ORGLOCAL    KDE_IN6_IS_ADDR_MC_ORGLOCAL
    00136 # define IN6_IS_ADDR_MC_GLOBAL      KDE_IN6_IS_ADDR_MC_GLOBAL
    00137 #endif
    00138
    00139 /* Special internal structure */
    00140
    00141 #define KAI_SYSTEM      0   /* data is all-system */
    00142 #define KAI_LOCALUNIX       1   /* data contains a Unix addrinfo allocated by us */
    00143 #define KAI_QDNS        2   /* data contains data derived from QDns */
    00144
    00145 struct addrinfo;        /* forward declaration; this could be needed */
    00146
    00155 struct kde_addrinfo
    00156 {
    00157   struct addrinfo *data;
    00158   int origin;
    00159 };
    00160
    00161 extern KDECORE_EXPORT int kde_getaddrinfo(const char *name, const char *service,
    00162                const struct addrinfo* hint,
    00163                struct kde_addrinfo** result);
    00164 extern KDECORE_EXPORT void kde_freeaddrinfo(struct kde_addrinfo *p);
    00165
    00166 #if !defined(HAVE_GETADDRINFO) || defined(HAVE_BROKEN_GETADDRINFO)
    00167
    00168 # ifndef HAVE_STRUCT_ADDRINFO
    00169
    00172 struct addrinfo
    00173 {
    00174   int ai_flags;         /* Input flags.  */
    00175   int ai_family;        /* Protocol family for socket.  */
    00176   int ai_socktype;      /* Socket type.  */
    00177   int ai_protocol;      /* Protocol for socket.  */
    00178   int ai_addrlen;       /* Length of socket address.  */
    00179   struct sockaddr *ai_addr; /* Socket address for socket.  */
    00180   char *ai_canonname;       /* Canonical name for service location.  */
    00181   struct addrinfo *ai_next; /* Pointer to next in list.  */
    00182 };
    00183 # endif
    00184
    00185 # ifdef AI_PASSIVE
    00186 #  undef AI_PASSIVE
    00187 #  undef AI_CANONNAME
    00188 #  undef AI_NUMERICHOST
    00189 # endif
    00190
    00191 /* Possible values for `ai_flags' field in `addrinfo' structure.  */
    00192 # define AI_PASSIVE 1   /* Socket address is intended for `bind'.  */
    00193 # define AI_CANONNAME   2   /* Request for canonical name.  */
    00194 # define AI_NUMERICHOST 4   /* Don't use name resolution.  */
    00195
    00196 # ifdef EAI_ADDRFAMILY
    00197 #  undef EAI_ADDRFAMILY
    00198 #  undef EAI_AGAIN
    00199 #  undef EAI_BADFLAGS
    00200 #  undef EAI_FAIL
    00201 #  undef EAI_FAMILY
    00202 #  undef EAI_MEMORY
    00203 #  undef EAI_NODATA
    00204 #  undef EAI_NONAME
    00205 #  undef EAI_SERVICE
    00206 #  undef EAI_SOCKTYPE
    00207 #  undef EAI_SYSTEM
    00208 # endif
    00209
    00210 /* Error values for `getaddrinfo' function.  */
    00211 # define EAI_ADDRFAMILY 1   /* Address family for NAME not supported.  */
    00212 # define EAI_AGAIN  2   /* Temporary failure in name resolution.  */
    00213 # define EAI_BADFLAGS   3   /* Invalid value for `ai_flags' field.  */
    00214 # define EAI_FAIL   4   /* Non-recoverable failure in name res.  */
    00215 # define EAI_FAMILY 5   /* `ai_family' not supported.  */
    00216 # define EAI_MEMORY 6   /* Memory allocation failure.  */
    00217 # define EAI_NODATA 7   /* No address associated with NAME.  */
    00218 # define EAI_NONAME 8   /* NAME or SERVICE is unknown.  */
    00219 # define EAI_SERVICE    9   /* SERVICE not supported for `ai_socktype'.  */
    00220 # define EAI_SOCKTYPE   10  /* `ai_socktype' not supported.  */
    00221 # define EAI_SYSTEM 11  /* System error returned in `errno'.  */
    00222
    00223 /*
    00224  * These are specified in the RFC
    00225  * We won't undefine them. If someone defined them to a different value
    00226  * the preprocessor will generate an error
    00227  */
    00228 # define NI_MAXHOST 1025
    00229 # define NI_MAXSERV 32
    00230
    00231 # ifdef NI_NUMERICHOST
    00232 #  undef NI_NUMERICHOST
    00233 #  undef NI_NUMERICSERV
    00234 #  undef NI_NOFQDN
    00235 #  undef NI_NAMEREQD
    00236 #  undef NI_DGRAM
    00237 # endif
    00238
    00239 # define NI_NUMERICHOST 1   /* Don't try to look up hostname.  */
    00240 # define NI_NUMERICSERV 2   /* Don't convert port number to name.  */
    00241 # define NI_NOFQDN  4   /* Only return nodename portion.  */
    00242 # define NI_NAMEREQD    8   /* Don't return numeric addresses.  */
    00243 # define NI_DGRAM   16  /* Look up UDP service rather than TCP.  */
    00244
    00245 # ifdef getaddrinfo
    00246 #  undef getaddrinfo
    00247 # endif
    00248
    00249 namespace KDE
    00250 {
    00252   extern KDECORE_EXPORT int getaddrinfo(const char *name, const char *service,
    00253              const struct addrinfo* hint,
    00254              struct addrinfo** result);
    00256   extern KDECORE_EXPORT void freeaddrinfo(struct addrinfo* ai);
    00258   extern KDECORE_EXPORT char *gai_strerror(int errorcode);
    00260   extern KDECORE_EXPORT int getnameinfo(const struct sockaddr *sa,
    00261              unsigned int salen,
    00262              char *host, size_t hostlen,
    00263              char *serv, size_t servlen,
    00264              int flags);
    00265 }
    00266
    00267 # define getaddrinfo    KDE::getaddrinfo
    00268 # define freeaddrinfo   KDE::freeaddrinfo
    00269 # define gai_strerror   KDE::gai_strerror
    00270 # define getnameinfo    KDE::getnameinfo
    00271
    00272
    00273 #endif
    00274
    00275 #ifndef HAVE_INET_PTON
    00276
    00277 namespace KDE
    00278 {
    00280   extern KDECORE_EXPORT int inet_pton(int af, const char *cp, void* buf);
    00281 }
    00282
    00283 # define inet_pton  KDE::inet_pton
    00284 #endif
    00285
    00286 #ifndef HAVE_INET_NTOP
    00287
    00288 namespace KDE
    00289 {
    00291   extern KDECORE_EXPORT const char* inet_ntop(int af, const void *cp, char *buf, size_t len);
    00292 }
    00293
    00294 # define inet_ntop  KDE::inet_ntop
    00295 #endif
    00296
    00297 #endif

This file is part of the documentation for kdecore Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:18:13 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003