src/kits/network/netresolv/include/isc/ctl.h

   1 #ifndef ISC_CTL_H
   2 #define ISC_CTL_H
   3
   4 /*
   5  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
   6  * Copyright (c) 1998,1999 by Internet Software Consortium.
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  18  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20
  21 /*
  22  * $Id: ctl.h,v 1.5 2005/04/27 04:56:17 sra Exp $
  23  */
  24
  25 /*! \file */
  26
  27 #include <sys/types.h>
  28 #include <sys/socket.h>
  29
  30 #include <isc/eventlib.h>
  31
  32 /* Macros. */
  33
  34 #define CTL_MORE        0x0001  /*%< More will be / should be sent. */
  35 #define CTL_EXIT        0x0002  /*%< Close connection after this. */
  36 #define CTL_DATA        0x0004  /*%< Go into / this is DATA mode. */
  37 /* Types. */
  38
  39 struct ctl_cctx;
  40 struct ctl_sctx;
  41 struct ctl_sess;
  42 struct ctl_verb;
  43
  44 enum ctl_severity { ctl_debug, ctl_warning, ctl_error };
  45
  46 typedef void (*ctl_logfunc)(enum ctl_severity, const char *, ...);
  47
  48 typedef void (*ctl_verbfunc)(struct ctl_sctx *, struct ctl_sess *,
  49                              const struct ctl_verb *, const char *,
  50                              u_int, const void *, void *);
  51
  52 typedef void (*ctl_srvrdone)(struct ctl_sctx *, struct ctl_sess *, void *);
  53
  54 typedef void (*ctl_clntdone)(struct ctl_cctx *, void *, const char *, u_int);
  55
  56 struct ctl_verb {
  57         const char *    name;
  58         ctl_verbfunc    func;
  59         const char *    help;
  60 };
  61
  62 /* General symbols. */
  63
  64 #define ctl_logger      __ctl_logger
  65
  66 #ifdef __GNUC__
  67 void                    ctl_logger(enum ctl_severity, const char *, ...)
  68                                 __attribute__((__format__(__printf__, 2, 3)));
  69 #else
  70 void                    ctl_logger(enum ctl_severity, const char *, ...);
  71 #endif
  72
  73 /* Client symbols. */
  74
  75 #define ctl_client      __ctl_client
  76 #define ctl_endclient   __ctl_endclient
  77 #define ctl_command     __ctl_command
  78
  79 struct ctl_cctx *       ctl_client(evContext, const struct sockaddr *, size_t,
  80                                    const struct sockaddr *, size_t,
  81                                    ctl_clntdone, void *,
  82                                    u_int, ctl_logfunc);
  83 void                    ctl_endclient(struct ctl_cctx *);
  84 int                     ctl_command(struct ctl_cctx *, const char *, size_t,
  85                                     ctl_clntdone, void *);
  86
  87 /* Server symbols. */
  88
  89 #define ctl_server      __ctl_server
  90 #define ctl_endserver   __ctl_endserver
  91 #define ctl_response    __ctl_response
  92 #define ctl_sendhelp    __ctl_sendhelp
  93 #define ctl_getcsctx    __ctl_getcsctx
  94 #define ctl_setcsctx    __ctl_setcsctx
  95
  96 struct ctl_sctx *       ctl_server(evContext, const struct sockaddr *, size_t,
  97                                    const struct ctl_verb *,
  98                                    u_int, u_int,
  99                                    u_int, int, int,
 100                                    ctl_logfunc, void *);
 101 void                    ctl_endserver(struct ctl_sctx *);
 102 void                    ctl_response(struct ctl_sess *, u_int,
 103                                      const char *, u_int, const void *,
 104                                      ctl_srvrdone, void *,
 105                                      const char *, size_t);
 106 void                    ctl_sendhelp(struct ctl_sess *, u_int);
 107 void *                  ctl_getcsctx(struct ctl_sess *);
 108 void *                  ctl_setcsctx(struct ctl_sess *, void *);
 109
 110 #endif /*ISC_CTL_H*/
 111
 112 /*! \file */