lib/libdmsg/debug.c

   1 /*
   2  * Copyright (c) 2012 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@dragonflybsd.org>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include "dmsg_local.h"
  36
  37 const char *
  38 dmsg_basecmd_str(uint32_t cmd)
  39 {
  40         static char buf[64];
  41         char protobuf[32];
  42         char cmdbuf[32];
  43         const char *protostr;
  44         const char *cmdstr;
  45
  46         switch(cmd & DMSGF_PROTOS) {
  47         case DMSG_PROTO_LNK:
  48                 protostr = "LNK_";
  49                 break;
  50         case DMSG_PROTO_DBG:
  51                 protostr = "DBG_";
  52                 break;
  53         case DMSG_PROTO_HM2:
  54                 protostr = "HM2_";
  55                 break;
  56         case DMSG_PROTO_BLK:
  57                 protostr = "BLK_";
  58                 break;
  59         case DMSG_PROTO_VOP:
  60                 protostr = "VOP_";
  61                 break;
  62         default:
  63                 snprintf(protobuf, sizeof(protobuf), "%x_",
  64                         (cmd & DMSGF_PROTOS) >> 20);
  65                 protostr = protobuf;
  66                 break;
  67         }
  68
  69         switch(cmd & (DMSGF_PROTOS |
  70                       DMSGF_CMDS |
  71                       DMSGF_SIZE)) {
  72         case DMSG_LNK_PAD:
  73                 cmdstr = "PAD";
  74                 break;
  75         case DMSG_LNK_PING:
  76                 cmdstr = "PING";
  77                 break;
  78         case DMSG_LNK_AUTH:
  79                 cmdstr = "AUTH";
  80                 break;
  81         case DMSG_LNK_CONN:
  82                 cmdstr = "CONN";
  83                 break;
  84         case DMSG_LNK_SPAN:
  85                 cmdstr = "SPAN";
  86                 break;
  87         case DMSG_LNK_ERROR:
  88                 if (cmd & DMSGF_DELETE)
  89                         cmdstr = "RETURN";
  90                 else
  91                         cmdstr = "RESULT";
  92                 break;
  93         case DMSG_DBG_SHELL:
  94                 cmdstr = "SHELL";
  95                 break;
  96         default:
  97                 snprintf(cmdbuf, sizeof(cmdbuf),
  98                          "%06x", (cmd & (DMSGF_PROTOS |
  99                                          DMSGF_CMDS |
 100                                          DMSGF_SIZE)));
 101                 cmdstr = cmdbuf;
 102                 break;
 103         }
 104         snprintf(buf, sizeof(buf), "%s%s", protostr, cmdstr);
 105         return (buf);
 106 }
 107
 108 const char *
 109 dmsg_msg_str(dmsg_msg_t *msg)
 110 {
 111         dmsg_state_t *state;
 112         static char buf[256];
 113         char errbuf[16];
 114         char statebuf[64];
 115         char flagbuf[64];
 116         const char *statestr;
 117         const char *errstr;
 118         uint32_t basecmd;
 119         int i;
 120
 121         /*
 122          * Parse the state
 123          */
 124         if ((state = msg->state) != NULL) {
 125                 basecmd = (state->rxcmd & DMSGF_REPLY) ?
 126                           state->txcmd : state->rxcmd;
 127                 snprintf(statebuf, sizeof(statebuf),
 128                          " %s=%s,L=%s%s,R=%s%s",
 129                          ((state->txcmd & DMSGF_REPLY) ?
 130                                 "rcvcmd" : "sndcmd"),
 131                          dmsg_basecmd_str(basecmd),
 132                          ((state->txcmd & DMSGF_CREATE) ? "C" : ""),
 133                          ((state->txcmd & DMSGF_DELETE) ? "D" : ""),
 134                          ((state->rxcmd & DMSGF_CREATE) ? "C" : ""),
 135                          ((state->rxcmd & DMSGF_DELETE) ? "D" : "")
 136                 );
 137                 statestr = statebuf;
 138         } else {
 139                 statestr = "";
 140         }
 141
 142         /*
 143          * Parse the error
 144          */
 145         switch(msg->any.head.error) {
 146         case 0:
 147                 errstr = "";
 148                 break;
 149         case DMSG_IOQ_ERROR_SYNC:
 150                 errstr = "err=IOQ:NOSYNC";
 151                 break;
 152         case DMSG_IOQ_ERROR_EOF:
 153                 errstr = "err=IOQ:STREAMEOF";
 154                 break;
 155         case DMSG_IOQ_ERROR_SOCK:
 156                 errstr = "err=IOQ:SOCKERR";
 157                 break;
 158         case DMSG_IOQ_ERROR_FIELD:
 159                 errstr = "err=IOQ:BADFIELD";
 160                 break;
 161         case DMSG_IOQ_ERROR_HCRC:
 162                 errstr = "err=IOQ:BADHCRC";
 163                 break;
 164         case DMSG_IOQ_ERROR_XCRC:
 165                 errstr = "err=IOQ:BADXCRC";
 166                 break;
 167         case DMSG_IOQ_ERROR_ACRC:
 168                 errstr = "err=IOQ:BADACRC";
 169                 break;
 170         case DMSG_IOQ_ERROR_STATE:
 171                 errstr = "err=IOQ:BADSTATE";
 172                 break;
 173         case DMSG_IOQ_ERROR_NOPEER:
 174                 errstr = "err=IOQ:PEERCONFIG";
 175                 break;
 176         case DMSG_IOQ_ERROR_NORKEY:
 177                 errstr = "err=IOQ:BADRKEY";
 178                 break;
 179         case DMSG_IOQ_ERROR_NOLKEY:
 180                 errstr = "err=IOQ:BADLKEY";
 181                 break;
 182         case DMSG_IOQ_ERROR_KEYXCHGFAIL:
 183                 errstr = "err=IOQ:BADKEYXCHG";
 184                 break;
 185         case DMSG_IOQ_ERROR_KEYFMT:
 186                 errstr = "err=IOQ:BADFMT";
 187                 break;
 188         case DMSG_IOQ_ERROR_BADURANDOM:
 189                 errstr = "err=IOQ:BADRANDOM";
 190                 break;
 191         case DMSG_IOQ_ERROR_MSGSEQ:
 192                 errstr = "err=IOQ:BADSEQ";
 193                 break;
 194         case DMSG_IOQ_ERROR_EALREADY:
 195                 errstr = "err=IOQ:DUPMSG";
 196                 break;
 197         case DMSG_IOQ_ERROR_TRANS:
 198                 errstr = "err=IOQ:BADTRANS";
 199                 break;
 200         case DMSG_IOQ_ERROR_IVWRAP:
 201                 errstr = "err=IOQ:IVWRAP";
 202                 break;
 203         case DMSG_IOQ_ERROR_MACFAIL:
 204                 errstr = "err=IOQ:MACFAIL";
 205                 break;
 206         case DMSG_IOQ_ERROR_ALGO:
 207                 errstr = "err=IOQ:ALGOFAIL";
 208                 break;
 209         case DMSG_ERR_NOSUPP:
 210                 errstr = "err=NOSUPPORT";
 211                 break;
 212         default:
 213                 snprintf(errbuf, sizeof(errbuf),
 214                          " err=%d", msg->any.head.error);
 215                 errstr = errbuf;
 216                 break;
 217         }
 218
 219         /*
 220          * Message flags
 221          */
 222         i = 0;
 223         if (msg->any.head.cmd & (DMSGF_CREATE | DMSGF_DELETE |
 224                                  DMSGF_ABORT | DMSGF_REPLY)) {
 225                 flagbuf[i++] = '|';
 226                 if (msg->any.head.cmd & DMSGF_CREATE)
 227                         flagbuf[i++] = 'C';
 228                 if (msg->any.head.cmd & DMSGF_DELETE)
 229                         flagbuf[i++] = 'D';
 230                 if (msg->any.head.cmd & DMSGF_REPLY)
 231                         flagbuf[i++] = 'R';
 232                 if (msg->any.head.cmd & DMSGF_ABORT)
 233                         flagbuf[i++] = 'A';
 234         }
 235         flagbuf[i] = 0;
 236
 237         /*
 238          * Generate the buf
 239          */
 240         snprintf(buf, sizeof(buf),
 241                 "msg=%s%s %s msgid=%08x %s",
 242                  dmsg_basecmd_str(msg->any.head.cmd),
 243                  flagbuf,
 244                  errstr,
 245                  (uint32_t)(intmax_t)msg->any.head.msgid,   /* for brevity */
 246                  statestr);
 247
 248         return(buf);
 249 }