3 * Copyright (C) 1997, 1998, 1999 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 #define FRR_DEFINE_DESC_TABLE
35 /* for printstack on solaris */
36 #ifdef HAVE_UCONTEXT_H
40 DEFINE_MTYPE_STATIC(LIB
, ZLOG
, "Logging")
42 static int logfile_fd
= -1; /* Used in signal handler. */
44 struct zlog
*zlog_default
= NULL
;
46 const char *zlog_priority
[] =
62 * glibc has declared that the return value from write *must* not be
64 * gcc see's this problem and issues a warning for the line.
66 * Why is this a big deal you say? Because both of them are right
67 * and if you have -Werror enabled then all calls to write
68 * generate a build error and the build stops.
70 * clang has helpfully allowed this construct:
72 * to tell the compiler yeah I know it has a return value
73 * I don't care about it at this time.
74 * gcc doesn't have this ability.
76 * This code was written such that it didn't care about the
77 * return value from write. At this time do I want
78 * to go through and fix and test this code for correctness.
79 * So just wrapper the bad behavior and move on.
81 static void write_wrapper (int fd
, const void *buf
, size_t count
)
83 if (write (fd
, buf
, count
) <= 0)
89 /* For time string format. */
92 quagga_timestamp(int timestamp_precision
, char *buf
, size_t buflen
)
101 gettimeofday(&clock
, NULL
);
103 /* first, we update the cache if the time has changed */
104 if (cache
.last
!= clock
.tv_sec
)
107 cache
.last
= clock
.tv_sec
;
108 tm
= localtime(&cache
.last
);
109 cache
.len
= strftime(cache
.buf
, sizeof(cache
.buf
),
110 "%Y/%m/%d %H:%M:%S", tm
);
112 /* note: it's not worth caching the subsecond part, because
113 chances are that back-to-back calls are not sufficiently close together
114 for the clock not to have ticked forward */
116 if (buflen
> cache
.len
)
118 memcpy(buf
, cache
.buf
, cache
.len
);
119 if ((timestamp_precision
> 0) &&
120 (buflen
> cache
.len
+1+timestamp_precision
))
122 /* should we worry about locale issues? */
123 static const int divisor
[] = {0, 100000, 10000, 1000, 100, 10, 1};
125 char *p
= buf
+cache
.len
+1+(prec
= timestamp_precision
);
128 /* this is unlikely to happen, but protect anyway */
133 clock
.tv_usec
/= divisor
[prec
];
136 *p
-- = '0'+(clock
.tv_usec
% 10);
141 return cache
.len
+1+timestamp_precision
;
143 buf
[cache
.len
] = '\0';
151 /* Utility routine for current time printing. */
153 time_print(FILE *fp
, struct timestamp_control
*ctl
)
155 if (!ctl
->already_rendered
)
157 ctl
->len
= quagga_timestamp(ctl
->precision
, ctl
->buf
, sizeof(ctl
->buf
));
158 ctl
->already_rendered
= 1;
160 fprintf(fp
, "%s ", ctl
->buf
);
164 /* va_list version of zlog. */
166 vzlog (int priority
, const char *format
, va_list args
)
169 int original_errno
= errno
;
170 struct timestamp_control tsctl
;
171 tsctl
.already_rendered
= 0;
172 struct zlog
*zl
= zlog_default
;
174 /* When zlog_default is also NULL, use stderr for logging. */
178 time_print(stderr
, &tsctl
);
179 fprintf (stderr
, "%s: ", "unknown");
180 vfprintf (stderr
, format
, args
);
181 fprintf (stderr
, "\n");
184 /* In this case we return at here. */
185 errno
= original_errno
;
188 tsctl
.precision
= zl
->timestamp_precision
;
191 if (priority
<= zl
->maxlvl
[ZLOG_DEST_SYSLOG
])
195 vsyslog (priority
|zlog_default
->facility
, format
, ac
);
200 sprintf (proto_str
, "%s[%d]: ", zl
->protoname
, zl
->instance
);
202 sprintf (proto_str
, "%s: ", zl
->protoname
);
205 if ((priority
<= zl
->maxlvl
[ZLOG_DEST_FILE
]) && zl
->fp
)
208 time_print (zl
->fp
, &tsctl
);
209 if (zl
->record_priority
)
210 fprintf (zl
->fp
, "%s: ", zlog_priority
[priority
]);
211 fprintf (zl
->fp
, "%s", proto_str
);
213 vfprintf (zl
->fp
, format
, ac
);
215 fprintf (zl
->fp
, "\n");
220 if (priority
<= zl
->maxlvl
[ZLOG_DEST_STDOUT
])
223 time_print (stdout
, &tsctl
);
224 if (zl
->record_priority
)
225 fprintf (stdout
, "%s: ", zlog_priority
[priority
]);
226 fprintf (stdout
, "%s", proto_str
);
228 vfprintf (stdout
, format
, ac
);
230 fprintf (stdout
, "\n");
234 /* Terminal monitor. */
235 if (priority
<= zl
->maxlvl
[ZLOG_DEST_MONITOR
])
236 vty_log ((zl
->record_priority
? zlog_priority
[priority
] : NULL
),
237 proto_str
, format
, &tsctl
, args
);
239 errno
= original_errno
;
243 vzlog_test (int priority
)
245 struct zlog
*zl
= zlog_default
;
247 /* When zlog_default is also NULL, use stderr for logging. */
254 if (priority
<= zl
->maxlvl
[ZLOG_DEST_SYSLOG
])
260 if ((priority
<= zl
->maxlvl
[ZLOG_DEST_FILE
]) && zl
->fp
)
266 if (priority
<= zl
->maxlvl
[ZLOG_DEST_STDOUT
])
271 /* Terminal monitor. */
272 if (priority
<= zl
->maxlvl
[ZLOG_DEST_MONITOR
])
279 str_append(char *dst
, int len
, const char *src
)
281 while ((len
-- > 0) && *src
)
287 num_append(char *s
, int len
, u_long x
)
293 return str_append(s
,len
,"0");
294 *(t
= &buf
[sizeof(buf
)-1]) = '\0';
295 while (x
&& (t
> buf
))
300 return str_append(s
,len
,t
);
303 #if defined(SA_SIGINFO) || defined(HAVE_STACK_TRACE)
305 hex_append(char *s
, int len
, u_long x
)
311 return str_append(s
,len
,"0");
312 *(t
= &buf
[sizeof(buf
)-1]) = '\0';
313 while (x
&& (t
> buf
))
316 *--t
= ((cc
< 10) ? ('0'+cc
) : ('a'+cc
-10));
319 return str_append(s
,len
,t
);
323 /* Needs to be enhanced to support Solaris. */
332 struct sockaddr_un addr
;
334 if ((fd
= socket(AF_UNIX
,SOCK_DGRAM
,0)) < 0)
336 addr
.sun_family
= AF_UNIX
;
338 #define SYSLOG_SOCKET_PATH _PATH_LOG
340 #define SYSLOG_SOCKET_PATH "/dev/log"
342 s
= str_append(addr
.sun_path
,sizeof(addr
.sun_path
),SYSLOG_SOCKET_PATH
);
343 #undef SYSLOG_SOCKET_PATH
345 if (connect(fd
,(struct sockaddr
*)&addr
,sizeof(addr
)) < 0)
355 syslog_sigsafe(int priority
, const char *msg
, size_t msglen
)
357 static int syslog_fd
= -1;
358 char buf
[sizeof("<1234567890>ripngd[1234567890]: ")+msglen
+50];
361 if ((syslog_fd
< 0) && ((syslog_fd
= syslog_connect()) < 0))
364 #define LOC s,buf+sizeof(buf)-s
366 s
= str_append(LOC
,"<");
367 s
= num_append(LOC
,priority
);
368 s
= str_append(LOC
,">");
369 /* forget about the timestamp, too difficult in a signal handler */
370 s
= str_append(LOC
,zlog_default
->ident
);
371 if (zlog_default
->syslog_options
& LOG_PID
)
373 s
= str_append(LOC
,"[");
374 s
= num_append(LOC
,getpid());
375 s
= str_append(LOC
,"]");
377 s
= str_append(LOC
,": ");
378 s
= str_append(LOC
,msg
);
379 write_wrapper (syslog_fd
,buf
,s
-buf
);
386 #define CRASHLOG_PREFIX "/var/tmp/quagga."
387 #define CRASHLOG_SUFFIX "crashlog"
388 if (zlog_default
&& zlog_default
->ident
)
390 /* Avoid strlen since it is not async-signal-safe. */
394 for (p
= zlog_default
->ident
, ilen
= 0; *p
; p
++)
397 char buf
[sizeof(CRASHLOG_PREFIX
)+ilen
+sizeof(CRASHLOG_SUFFIX
)+3];
399 #define LOC s,buf+sizeof(buf)-s
400 s
= str_append(LOC
, CRASHLOG_PREFIX
);
401 s
= str_append(LOC
, zlog_default
->ident
);
402 s
= str_append(LOC
, ".");
403 s
= str_append(LOC
, CRASHLOG_SUFFIX
);
406 return open(buf
, O_WRONLY
|O_CREAT
|O_EXCL
, LOGFILE_MASK
);
409 return open(CRASHLOG_PREFIX CRASHLOG_SUFFIX
, O_WRONLY
|O_CREAT
|O_EXCL
,
411 #undef CRASHLOG_SUFFIX
412 #undef CRASHLOG_PREFIX
415 /* Note: the goal here is to use only async-signal-safe functions. */
417 zlog_signal(int signo
, const char *action
419 , siginfo_t
*siginfo
, void *program_counter
424 char buf
[sizeof("DEFAULT: Received signal S at T (si_addr 0xP, PC 0xP); aborting...")+100];
426 char *msgstart
= buf
;
427 #define LOC s,buf+sizeof(buf)-s
432 s
= str_append(LOC
,zlog_default
->protoname
);
437 s
= str_append(LOC
,"Received signal ");
438 s
= num_append(LOC
,signo
);
439 s
= str_append(LOC
," at ");
440 s
= num_append(LOC
,now
);
442 s
= str_append(LOC
," (si_addr 0x");
443 s
= hex_append(LOC
,(u_long
)(siginfo
->si_addr
));
446 s
= str_append(LOC
,", PC 0x");
447 s
= hex_append(LOC
,(u_long
)program_counter
);
449 s
= str_append(LOC
,"); ");
450 #else /* SA_SIGINFO */
451 s
= str_append(LOC
,"; ");
452 #endif /* SA_SIGINFO */
453 s
= str_append(LOC
,action
);
454 if (s
< buf
+sizeof(buf
))
457 /* N.B. implicit priority is most severe */
460 #define DUMP(FD) write_wrapper(FD, buf, s-buf);
461 /* If no file logging configured, try to write to fallback log file. */
462 if ((logfile_fd
>= 0) || ((logfile_fd
= open_crashlog()) >= 0))
468 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_STDOUT
])
470 /* Remove trailing '\n' for monitor and syslog */
472 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_MONITOR
])
473 vty_log_fixed(buf
,s
-buf
);
474 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_SYSLOG
])
475 syslog_sigsafe(PRI
|zlog_default
->facility
,msgstart
,s
-msgstart
);
479 zlog_backtrace_sigsafe(PRI
,
489 s
= str_append (LOC
, "no thread information available\n");
492 s
= str_append (LOC
, "in thread ");
493 s
= str_append (LOC
, thread_current
->funcname
);
494 s
= str_append (LOC
, " scheduled from ");
495 s
= str_append (LOC
, thread_current
->schedfrom
);
496 s
= str_append (LOC
, ":");
497 s
= num_append (LOC
, thread_current
->schedfrom_line
);
498 s
= str_append (LOC
, "\n");
501 #define DUMP(FD) write_wrapper(FD, buf, s-buf);
502 /* If no file logging configured, try to write to fallback log file. */
509 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_STDOUT
])
511 /* Remove trailing '\n' for monitor and syslog */
513 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_MONITOR
])
514 vty_log_fixed(buf
,s
-buf
);
515 if (PRI
<= zlog_default
->maxlvl
[ZLOG_DEST_SYSLOG
])
516 syslog_sigsafe(PRI
|zlog_default
->facility
,msgstart
,s
-msgstart
);
524 /* Log a backtrace using only async-signal-safe functions.
525 Needs to be enhanced to support syslog logging. */
527 zlog_backtrace_sigsafe(int priority
, void *program_counter
)
529 #ifdef HAVE_STACK_TRACE
530 static const char pclabel
[] = "Program counter: ";
534 char *s
, **bt
= NULL
;
535 #define LOC s,buf+sizeof(buf)-s
537 #ifdef HAVE_GLIBC_BACKTRACE
538 size
= backtrace(array
, array_size(array
));
539 if (size
<= 0 || (size_t)size
> array_size(array
))
543 if (program_counter) \
545 write_wrapper(FD, pclabel, sizeof(pclabel)-1); \
546 backtrace_symbols_fd(&program_counter, 1, FD); \
548 write_wrapper(FD, buf, s-buf); \
549 backtrace_symbols_fd(array, size, FD); \
551 #elif defined(HAVE_PRINTSTACK)
553 if (program_counter) \
554 write_wrapper((FD), pclabel, sizeof(pclabel)-1); \
555 write_wrapper((FD), buf, s-buf); \
558 #endif /* HAVE_GLIBC_BACKTRACE, HAVE_PRINTSTACK */
561 s
= str_append(LOC
,"Backtrace for ");
562 s
= num_append(LOC
,size
);
563 s
= str_append(LOC
," stack frames:\n");
565 if ((logfile_fd
>= 0) || ((logfile_fd
= open_crashlog()) >= 0))
571 if (priority
<= zlog_default
->maxlvl
[ZLOG_DEST_STDOUT
])
573 /* Remove trailing '\n' for monitor and syslog */
575 if (priority
<= zlog_default
->maxlvl
[ZLOG_DEST_MONITOR
])
576 vty_log_fixed(buf
,s
-buf
);
577 if (priority
<= zlog_default
->maxlvl
[ZLOG_DEST_SYSLOG
])
578 syslog_sigsafe(priority
|zlog_default
->facility
,buf
,s
-buf
);
581 #ifdef HAVE_GLIBC_BACKTRACE
582 bt
= backtrace_symbols(array
, size
);
584 /* Just print the function addresses. */
585 for (i
= 0; i
< size
; i
++)
589 s
= str_append(LOC
, bt
[i
]);
591 s
= str_append(LOC
,"[bt ");
592 s
= num_append(LOC
,i
);
593 s
= str_append(LOC
,"] 0x");
594 s
= hex_append(LOC
,(u_long
)(array
[i
]));
597 if (priority
<= zlog_default
->maxlvl
[ZLOG_DEST_MONITOR
])
598 vty_log_fixed(buf
,s
-buf
);
599 if (priority
<= zlog_default
->maxlvl
[ZLOG_DEST_SYSLOG
])
600 syslog_sigsafe(priority
|zlog_default
->facility
,buf
,s
-buf
);
608 #endif /* HAVE_STRACK_TRACE */
612 zlog_backtrace(int priority
)
614 #ifndef HAVE_GLIBC_BACKTRACE
615 zlog(priority
, "No backtrace available on this platform.");
621 size
= backtrace(array
, array_size(array
));
622 if (size
<= 0 || (size_t)size
> array_size(array
))
624 zlog_err("Cannot get backtrace, returned invalid # of frames %d "
625 "(valid range is between 1 and %lu)",
626 size
, (unsigned long)(array_size(array
)));
629 zlog(priority
, "Backtrace for %d stack frames:", size
);
630 if (!(strings
= backtrace_symbols(array
, size
)))
632 zlog_err("Cannot get backtrace symbols (out of memory?)");
633 for (i
= 0; i
< size
; i
++)
634 zlog(priority
, "[bt %d] %p",i
,array
[i
]);
638 for (i
= 0; i
< size
; i
++)
639 zlog(priority
, "[bt %d] %s",i
,strings
[i
]);
642 #endif /* HAVE_GLIBC_BACKTRACE */
646 zlog (int priority
, const char *format
, ...)
650 va_start(args
, format
);
651 vzlog (priority
, format
, args
);
655 #define ZLOG_FUNC(FUNCNAME,PRIORITY) \
657 FUNCNAME(const char *format, ...) \
660 va_start(args, format); \
661 vzlog (PRIORITY, format, args); \
665 ZLOG_FUNC(zlog_err
, LOG_ERR
)
667 ZLOG_FUNC(zlog_warn
, LOG_WARNING
)
669 ZLOG_FUNC(zlog_info
, LOG_INFO
)
671 ZLOG_FUNC(zlog_notice
, LOG_NOTICE
)
673 ZLOG_FUNC(zlog_debug
, LOG_DEBUG
)
677 void zlog_thread_info (int log_level
)
680 zlog(log_level
, "Current thread function %s, scheduled from "
681 "file %s, line %u", thread_current
->funcname
,
682 thread_current
->schedfrom
, thread_current
->schedfrom_line
);
684 zlog(log_level
, "Current thread not known/applicable");
688 _zlog_assert_failed (const char *assertion
, const char *file
,
689 unsigned int line
, const char *function
)
691 /* Force fallback file logging? */
692 if (zlog_default
&& !zlog_default
->fp
&&
693 ((logfile_fd
= open_crashlog()) >= 0) &&
694 ((zlog_default
->fp
= fdopen(logfile_fd
, "w")) != NULL
))
695 zlog_default
->maxlvl
[ZLOG_DEST_FILE
] = LOG_ERR
;
696 zlog(LOG_CRIT
, "Assertion `%s' failed in file %s, line %u, function %s",
697 assertion
,file
,line
,(function
? function
: "?"));
698 zlog_backtrace(LOG_CRIT
);
699 zlog_thread_info(LOG_CRIT
);
700 log_memstats_stderr ("log");
705 memory_oom (size_t size
, const char *name
)
707 zlog_err("out of memory: failed to allocate %zu bytes for %s"
708 "object", size
, name
);
709 zlog_backtrace(LOG_ERR
);
713 /* Open log stream */
715 openzlog (const char *progname
, const char *protoname
, u_short instance
,
716 int syslog_flags
, int syslog_facility
)
721 zl
= XCALLOC(MTYPE_ZLOG
, sizeof (struct zlog
));
723 zl
->ident
= progname
;
724 zl
->protoname
= protoname
;
725 zl
->instance
= instance
;
726 zl
->facility
= syslog_facility
;
727 zl
->syslog_options
= syslog_flags
;
729 /* Set default logging levels. */
730 for (i
= 0; i
< array_size(zl
->maxlvl
); i
++)
731 zl
->maxlvl
[i
] = ZLOG_DISABLED
;
732 zl
->maxlvl
[ZLOG_DEST_MONITOR
] = LOG_DEBUG
;
733 zl
->default_lvl
= LOG_DEBUG
;
735 openlog (progname
, syslog_flags
, zl
->facility
);
742 struct zlog
*zl
= zlog_default
;
749 if (zl
->filename
!= NULL
)
750 XFREE(MTYPE_ZLOG
, zl
->filename
);
752 XFREE (MTYPE_ZLOG
, zl
);
757 zlog_protoname (void)
759 return zlog_default
? zlog_default
->protoname
: "NONE";
762 /* Called from command.c. */
764 zlog_set_level (zlog_dest_t dest
, int log_level
)
766 zlog_default
->maxlvl
[dest
] = log_level
;
770 zlog_set_file (const char *filename
, int log_level
)
772 struct zlog
*zl
= zlog_default
;
776 /* There is opend file. */
780 oldumask
= umask (0777 & ~LOGFILE_MASK
);
781 fp
= fopen (filename
, "a");
787 zl
->filename
= XSTRDUP(MTYPE_ZLOG
, filename
);
788 zl
->maxlvl
[ZLOG_DEST_FILE
] = log_level
;
790 logfile_fd
= fileno(fp
);
795 /* Reset opend file. */
797 zlog_reset_file (void)
799 struct zlog
*zl
= zlog_default
;
805 zl
->maxlvl
[ZLOG_DEST_FILE
] = ZLOG_DISABLED
;
808 XFREE(MTYPE_ZLOG
, zl
->filename
);
814 /* Reopen log file. */
818 struct zlog
*zl
= zlog_default
;
825 level
= zl
->maxlvl
[ZLOG_DEST_FILE
];
826 zl
->maxlvl
[ZLOG_DEST_FILE
] = ZLOG_DISABLED
;
833 oldumask
= umask (0777 & ~LOGFILE_MASK
);
834 zl
->fp
= fopen (zl
->filename
, "a");
839 zlog_err("Log rotate failed: cannot open file %s for append: %s",
840 zl
->filename
, safe_strerror(save_errno
));
843 logfile_fd
= fileno(zl
->fp
);
844 zl
->maxlvl
[ZLOG_DEST_FILE
] = level
;
850 /* Message lookup function. */
852 lookup (const struct message
*mes
, int key
)
854 const struct message
*pnt
;
856 for (pnt
= mes
; pnt
->key
!= 0; pnt
++)
863 /* Older/faster version of message lookup function, but requires caller to pass
864 * in the array size (instead of relying on a 0 key to terminate the search).
866 * The return value is the message string if found, or the 'none' pointer
867 * provided otherwise.
870 mes_lookup (const struct message
*meslist
, int max
, int index
,
871 const char *none
, const char *mesname
)
873 int pos
= index
- meslist
[0].key
;
875 /* first check for best case: index is in range and matches the key
876 * value in that slot.
877 * NB: key numbering might be offset from 0. E.g. protocol constants
880 if ((pos
>= 0) && (pos
< max
)
881 && (meslist
[pos
].key
== index
))
882 return meslist
[pos
].str
;
884 /* fall back to linear search */
888 for (i
= 0; i
< max
; i
++, meslist
++)
890 if (meslist
->key
== index
)
892 const char *str
= (meslist
->str
? meslist
->str
: none
);
894 zlog_debug ("message index %d [%s] found in %s at position %d (max is %d)",
895 index
, str
, mesname
, i
, max
);
900 zlog_err("message index %d not found in %s (max is %d)", index
, mesname
, max
);
905 /* Wrapper around strerror to handle case where it returns NULL. */
907 safe_strerror(int errnum
)
909 const char *s
= strerror(errnum
);
910 return (s
!= NULL
) ? s
: "Unknown error";
913 #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' }
914 static const struct zebra_desc_table command_types
[] = {
915 DESC_ENTRY (ZEBRA_INTERFACE_ADD
),
916 DESC_ENTRY (ZEBRA_INTERFACE_DELETE
),
917 DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_ADD
),
918 DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_DELETE
),
919 DESC_ENTRY (ZEBRA_INTERFACE_UP
),
920 DESC_ENTRY (ZEBRA_INTERFACE_DOWN
),
921 DESC_ENTRY (ZEBRA_IPV4_ROUTE_ADD
),
922 DESC_ENTRY (ZEBRA_IPV4_ROUTE_DELETE
),
923 DESC_ENTRY (ZEBRA_IPV6_ROUTE_ADD
),
924 DESC_ENTRY (ZEBRA_IPV6_ROUTE_DELETE
),
925 DESC_ENTRY (ZEBRA_REDISTRIBUTE_ADD
),
926 DESC_ENTRY (ZEBRA_REDISTRIBUTE_DELETE
),
927 DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_ADD
),
928 DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_DELETE
),
929 DESC_ENTRY (ZEBRA_ROUTER_ID_ADD
),
930 DESC_ENTRY (ZEBRA_ROUTER_ID_DELETE
),
931 DESC_ENTRY (ZEBRA_ROUTER_ID_UPDATE
),
932 DESC_ENTRY (ZEBRA_HELLO
),
933 DESC_ENTRY (ZEBRA_NEXTHOP_REGISTER
),
934 DESC_ENTRY (ZEBRA_NEXTHOP_UNREGISTER
),
935 DESC_ENTRY (ZEBRA_NEXTHOP_UPDATE
),
936 DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_ADD
),
937 DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE
),
938 DESC_ENTRY (ZEBRA_INTERFACE_BFD_DEST_UPDATE
),
939 DESC_ENTRY (ZEBRA_IMPORT_ROUTE_REGISTER
),
940 DESC_ENTRY (ZEBRA_IMPORT_ROUTE_UNREGISTER
),
941 DESC_ENTRY (ZEBRA_IMPORT_CHECK_UPDATE
),
942 DESC_ENTRY (ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD
),
943 DESC_ENTRY (ZEBRA_BFD_DEST_REGISTER
),
944 DESC_ENTRY (ZEBRA_BFD_DEST_DEREGISTER
),
945 DESC_ENTRY (ZEBRA_BFD_DEST_UPDATE
),
946 DESC_ENTRY (ZEBRA_BFD_DEST_REPLAY
),
947 DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_ADD
),
948 DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_DEL
),
949 DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_ADD
),
950 DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_DEL
),
951 DESC_ENTRY (ZEBRA_VRF_UNREGISTER
),
952 DESC_ENTRY (ZEBRA_VRF_ADD
),
953 DESC_ENTRY (ZEBRA_VRF_DELETE
),
954 DESC_ENTRY (ZEBRA_INTERFACE_VRF_UPDATE
),
955 DESC_ENTRY (ZEBRA_BFD_CLIENT_REGISTER
),
956 DESC_ENTRY (ZEBRA_INTERFACE_ENABLE_RADV
),
957 DESC_ENTRY (ZEBRA_INTERFACE_DISABLE_RADV
),
958 DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB
),
959 DESC_ENTRY (ZEBRA_INTERFACE_LINK_PARAMS
),
960 DESC_ENTRY (ZEBRA_MPLS_LABELS_ADD
),
961 DESC_ENTRY (ZEBRA_MPLS_LABELS_DELETE
),
962 DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_ADD
),
963 DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_DELETE
),
964 DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_ADD
),
965 DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_DELETE
),
966 DESC_ENTRY (ZEBRA_IPMR_ROUTE_STATS
),
970 static const struct zebra_desc_table unknown
= { 0, "unknown", '?' };
972 static const struct zebra_desc_table
*
973 zroute_lookup(u_int zroute
)
977 if (zroute
>= array_size(route_types
))
979 zlog_err("unknown zebra route type: %u", zroute
);
982 if (zroute
== route_types
[zroute
].type
)
983 return &route_types
[zroute
];
984 for (i
= 0; i
< array_size(route_types
); i
++)
986 if (zroute
== route_types
[i
].type
)
988 zlog_warn("internal error: route type table out of order "
989 "while searching for %u, please notify developers", zroute
);
990 return &route_types
[i
];
993 zlog_err("internal error: cannot find route type %u in table!", zroute
);
998 zebra_route_string(u_int zroute
)
1000 return zroute_lookup(zroute
)->string
;
1004 zebra_route_char(u_int zroute
)
1006 return zroute_lookup(zroute
)->chr
;
1010 zserv_command_string (unsigned int command
)
1012 if (command
>= array_size(command_types
))
1014 zlog_err ("unknown zserv command type: %u", command
);
1015 return unknown
.string
;
1017 return command_types
[command
].string
;
1021 proto_name2num(const char *s
)
1025 for (i
=0; i
<array_size(route_types
); ++i
)
1026 if (strcasecmp(s
, route_types
[i
].string
) == 0)
1027 return route_types
[i
].type
;
1032 proto_redistnum(int afi
, const char *s
)
1039 if (strmatch (s
, "kernel"))
1040 return ZEBRA_ROUTE_KERNEL
;
1041 else if (strmatch (s
, "connected"))
1042 return ZEBRA_ROUTE_CONNECT
;
1043 else if (strmatch (s
, "static"))
1044 return ZEBRA_ROUTE_STATIC
;
1045 else if (strmatch (s
, "rip"))
1046 return ZEBRA_ROUTE_RIP
;
1047 else if (strmatch (s
, "ospf"))
1048 return ZEBRA_ROUTE_OSPF
;
1049 else if (strmatch (s
, "isis"))
1050 return ZEBRA_ROUTE_ISIS
;
1051 else if (strmatch (s
, "bgp"))
1052 return ZEBRA_ROUTE_BGP
;
1053 else if (strmatch (s
, "table"))
1054 return ZEBRA_ROUTE_TABLE
;
1055 else if (strmatch (s
, "vnc"))
1056 return ZEBRA_ROUTE_VNC
;
1057 else if (strmatch (s
, "vnc-direct"))
1058 return ZEBRA_ROUTE_VNC_DIRECT
;
1059 else if (strncmp (s
, "n", 1) == 0)
1060 return ZEBRA_ROUTE_NHRP
;
1064 if (strmatch (s
, "kernel"))
1065 return ZEBRA_ROUTE_KERNEL
;
1066 else if (strmatch (s
, "connected"))
1067 return ZEBRA_ROUTE_CONNECT
;
1068 else if (strmatch (s
, "static"))
1069 return ZEBRA_ROUTE_STATIC
;
1070 else if (strmatch (s
, "ripng"))
1071 return ZEBRA_ROUTE_RIPNG
;
1072 else if (strmatch (s
, "ospf6"))
1073 return ZEBRA_ROUTE_OSPF6
;
1074 else if (strmatch (s
, "isis"))
1075 return ZEBRA_ROUTE_ISIS
;
1076 else if (strmatch (s
, "bgp"))
1077 return ZEBRA_ROUTE_BGP
;
1078 else if (strmatch (s
, "table"))
1079 return ZEBRA_ROUTE_TABLE
;
1080 else if (strmatch (s
, "vnc"))
1081 return ZEBRA_ROUTE_VNC
;
1082 else if (strmatch (s
, "vnc-direct"))
1083 return ZEBRA_ROUTE_VNC_DIRECT
;
1084 else if (strncmp (s
, "n", 1) == 0)
1085 return ZEBRA_ROUTE_NHRP
;
1091 zlog_hexdump (const void *mem
, unsigned int len
) {
1092 unsigned long i
= 0;
1094 unsigned int columns
= 8;
1095 char buf
[(len
* 4) + ((len
/4) * 20) + 30];
1098 for (i
= 0; i
< len
+ ((len
% columns
) ? (columns
- len
% columns
) : 0); i
++)
1101 if (i
% columns
== 0)
1102 s
+= sprintf(s
, "0x%016lx: ", (unsigned long)mem
+ i
);
1104 /* print hex data */
1106 s
+= sprintf(s
, "%02x ", 0xFF & ((const char*)mem
)[i
]);
1108 /* end of block, just aligning for ASCII dump */
1110 s
+= sprintf(s
, " ");
1112 /* print ASCII dump */
1113 if (i
% columns
== (columns
- 1))
1115 for (j
= i
- (columns
- 1); j
<= i
; j
++)
1117 if (j
>= len
) /* end of block, not really printing */
1118 s
+= sprintf(s
, " ");
1120 else if(isprint((int)((const char *)mem
)[j
])) /* printable char */
1121 s
+= sprintf(s
, "%c", 0xFF & ((const char *)mem
)[j
]);
1123 else /* other char */
1124 s
+= sprintf(s
, ".");
1126 s
+= sprintf(s
, "\n");
1129 zlog_debug("\n%s", buf
);
1133 zlog_sanitize (char *buf
, size_t bufsz
, const void *in
, size_t inlen
)
1135 const char *inbuf
= in
;
1136 char *pos
= buf
, *end
= buf
+ bufsz
;
1137 const char *iend
= inbuf
+ inlen
;
1139 memset (buf
, 0, bufsz
);
1140 for (; inbuf
< iend
; inbuf
++)
1142 /* don't write partial escape sequence */
1147 snprintf (pos
, end
- pos
, "\\n");
1148 else if (*inbuf
== '\r')
1149 snprintf (pos
, end
- pos
, "\\r");
1150 else if (*inbuf
== '\t')
1151 snprintf (pos
, end
- pos
, "\\t");
1152 else if (*inbuf
< ' ' || *inbuf
== '"' || *inbuf
>= 127)
1153 snprintf (pos
, end
- pos
, "\\x%02hhx", *inbuf
);
1157 pos
+= strlen (pos
);