--- /dev/null
+/*
+ * IRC - Internet Relay Chat, ircd/s_debug.c
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ * University of Oulu, Computing Center
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 1, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief Debug support for the ircd.
+ * @version $Id$
+ */
+#include "config.h"
+
+#include "s_debug.h"
+#include "channel.h"
+#include "class.h"
+#include "client.h"
+#include "gline.h"
+#include "hash.h"
+#include "ircd_alloc.h"
+#include "ircd_features.h"
+#include "ircd_log.h"
+#include "ircd_osdep.h"
+#include "ircd_reply.h"
+#include "ircd.h"
+#include "jupe.h"
+#include "list.h"
+#include "listener.h"
+#include "motd.h"
+#include "msgq.h"
+#include "numeric.h"
+#include "numnicks.h"
+#include "res.h"
+#include "s_bsd.h"
+#include "s_conf.h"
+#include "s_user.h"
+#include "s_stats.h"
+#include "send.h"
+#include "struct.h"
+#include "sys.h"
+#include "whowas.h"
+
+/* #include <assert.h> -- Now using assert in ircd_log.h */
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h> /* offsetof */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Option string. Must be before #ifdef DEBUGMODE.
+ */
+static char serveropts[256]; /* should be large enough for anything */
+
+/** Return a string describing important configuration information.
+ * @return Pointer to a static buffer.
+ */
+const char* debug_serveropts(void)
+{
+ int bp;
+ int i = 0;
+#define AddC(c) serveropts[i++] = (c)
+
+ bp = feature_int(FEAT_BUFFERPOOL);
+ if (bp < 1000000) {
+ AddC('b');
+ if (bp > 99999)
+ AddC((char)('0' + (bp / 100000)));
+ if (bp > 9999)
+ AddC((char)('0' + (bp / 10000) % 10));
+ AddC((char)('0' + (bp / 1000) % 10));
+ } else {
+ AddC('B');
+ if (bp > 99999999)
+ AddC((char)('0' + (bp / 100000000)));
+ if (bp > 9999999)
+ AddC((char)('0' + (bp / 10000000) % 10));
+ AddC((char)('0' + (bp / 1000000) % 10));
+ }
+
+#ifndef NDEBUG
+ AddC('A');
+#endif
+#ifdef DEBUGMODE
+ AddC('D');
+#endif
+
+ if (feature_bool(FEAT_HUB))
+ AddC('H');
+
+ if (feature_bool(FEAT_IDLE_FROM_MSG))
+ AddC('M');
+
+ if (feature_bool(FEAT_RELIABLE_CLOCK))
+ AddC('R');
+
+#if defined(USE_POLL) && defined(HAVE_POLL_H)
+ AddC('U');
+#endif
+#ifdef IPV6
+ AddC('6');
+#endif
+
+ serveropts[i] = '\0';
+
+ return serveropts;
+}
+
+/** Initialize debugging.
+ * If the -t option is not given on the command line when the server is
+ * started, all debugging output is sent to the file set by LPATH in config.h
+ * Here we just open that file and make sure it is opened to fd 2 so that
+ * any fprintf's to stderr also go to the logfile. If the debuglevel is not
+ * set from the command line by -x, use /dev/null as the dummy logfile as long
+ * as DEBUGMODE has been defined, else don't waste the fd.
+ * @param use_tty Passed to log_debug_init().
+ */
+void debug_init(int use_tty)
+{
+#ifdef DEBUGMODE
+ if (debuglevel >= 0) {
+ printf("isatty = %d ttyname = %s\n", isatty(2), ttyname(2));
+ log_debug_init(use_tty);
+ }
+#endif
+}
+
+#ifdef DEBUGMODE
+/** Log a debug message using a va_list.
+ * If the current #debuglevel is less than \a level, do not display.
+ * @param level Debug level for message.
+ * @param form Format string, passed to log_vwrite().
+ * @param vl Varargs argument list for format string.
+ */
+void vdebug(int level, const char *form, va_list vl)
+{
+ static int loop = 0;
+ int err = errno;
+
+ if (!loop && (debuglevel >= 0) && (level <= debuglevel))
+ {
+ loop = 1;
+ log_vwrite(LS_DEBUG, L_DEBUG, 0, form, vl);
+ loop = 0;
+ }
+ errno = err;
+}
+
+/** Log a debug message using a variable number of arguments.
+ * This is a simple wrapper around debug(\a level, \a form, vl).
+ * @param level Debug level for message.
+ * @param form Format string of message.
+ */
+void debug(int level, const char *form, ...)
+{
+ va_list vl;
+ va_start(vl, form);
+ vdebug(level, form, vl);
+ va_end(vl);
+}
+
+/** Send a literal RPL_STATSDEBUG message to a user.
+ * @param cptr Client to receive the message.
+ * @param msg Text message to send to user.
+ */
+static void debug_enumerator(struct Client* cptr, const char* msg)
+{
+ assert(0 != cptr);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG, ":%s", msg);
+}
+
+/** Send resource usage statistics to a client.
+ * @param cptr Client to send data to.
+ * @param sd StatDesc that generated the stats request (ignored).
+ * @param param Extra parameter from user (ignored).
+ */
+void send_usage(struct Client *cptr, const struct StatDesc *sd,
+ char *param)
+{
+ os_get_rusage(cptr, CurrentTime - cli_since(&me), debug_enumerator);
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG, ":DBUF alloc %d used %d",
+ DBufAllocCount, DBufUsedCount);
+}
+#endif /* DEBUGMODE */
+
+/** Report memory usage statistics to a client.
+ * @param cptr Client to send data to.
+ * @param sd StatDesc that generated the stats request (ignored).
+ * @param param Extra parameter from user (ignored).
+ */
+void count_memory(struct Client *cptr, const struct StatDesc *sd,
+ char *param)
+{
+ struct Client *acptr;
+ struct SLink *link;
+ struct Ban *ban;
+ struct Channel *chptr;
+ struct ConfItem *aconf;
+ const struct ConnectionClass* cltmp;
+ struct Membership* member;
+
+ int acc = 0, /* accounts */
+ c = 0, /* clients */
+ cn = 0, /* connections */
+ ch = 0, /* channels */
+ lcc = 0, /* local client conf links */
+ chi = 0, /* channel invites */
+ chb = 0, /* channel bans */
+ wwu = 0, /* whowas users */
+ cl = 0, /* classes */
+ co = 0, /* conf lines */
+ listeners = 0, /* listeners */
+ memberships = 0; /* channel memberships */
+
+ int usi = 0, /* users invited */
+ aw = 0, /* aways set */
+ wwa = 0, /* whowas aways */
+ gl = 0, /* glines */
+ ju = 0; /* jupes */
+
+ size_t chm = 0, /* memory used by channels */
+ chbm = 0, /* memory used by channel bans */
+ cm = 0, /* memory used by clients */
+ cnm = 0, /* memory used by connections */
+ us = 0, /* user structs */
+ usm = 0, /* memory used by user structs */
+ awm = 0, /* memory used by aways */
+ wwam = 0, /* whowas away memory used */
+ wwm = 0, /* whowas array memory used */
+ glm = 0, /* memory used by glines */
+ jum = 0, /* memory used by jupes */
+ com = 0, /* memory used by conf lines */
+ dbufs_allocated = 0, /* memory used by dbufs */
+ dbufs_used = 0, /* memory used by dbufs */
+ msg_allocated = 0, /* memory used by struct Msg */
+ msgbuf_allocated = 0, /* memory used by struct MsgBuf */
+ listenersm = 0, /* memory used by listetners */
+ rm = 0, /* res memory used */
+ totcl = 0, totch = 0, totww = 0, tot = 0;
+
+ count_whowas_memory(&wwu, &wwm, &wwa, &wwam);
+ wwm += sizeof(struct Whowas) * feature_int(FEAT_NICKNAMEHISTORYLENGTH);
+ wwm += sizeof(struct Whowas *) * WW_MAX;
+
+ for (acptr = GlobalClientList; acptr; acptr = cli_next(acptr))
+ {
+ c++;
+ if (MyConnect(acptr))
+ {
+ cn++;
+ for (link = cli_confs(acptr); link; link = link->next)
+ lcc++;
+ }
+ if (cli_user(acptr))
+ {
+ for (link = cli_user(acptr)->invited; link; link = link->next)
+ usi++;
+ for (member = cli_user(acptr)->channel; member; member = member->next_channel)
+ ++memberships;
+ if (cli_user(acptr)->away)
+ {
+ aw++;
+ awm += (strlen(cli_user(acptr)->away) + 1);
+ }
+ }
+
+ if (IsAccount(acptr))
+ acc++;
+ }
+ cm = c * sizeof(struct Client);
+ cnm = cn * sizeof(struct Connection);
+ user_count_memory(&us, &usm);
+
+ for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
+ {
+ ch++;
+ chm += (strlen(chptr->chname) + sizeof(struct Channel));
+ for (link = chptr->invites; link; link = link->next)
+ chi++;
+ for (ban = chptr->banlist; ban; ban = ban->next)
+ {
+ chb++;
+ chbm += strlen(ban->who) + strlen(ban->banstr) + 2 + sizeof(*ban);
+ }
+ }
+
+ for (aconf = GlobalConfList; aconf; aconf = aconf->next)
+ {
+ co++;
+ com += aconf->host ? strlen(aconf->host) + 1 : 0;
+ com += aconf->passwd ? strlen(aconf->passwd) + 1 : 0;
+ com += aconf->name ? strlen(aconf->name) + 1 : 0;
+ com += sizeof(struct ConfItem);
+ }
+
+ for (cltmp = get_class_list(); cltmp; cltmp = cltmp->next)
+ cl++;
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Clients %d(%zu) Connections %d(%zu)", c, cm, cn, cnm);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Users %zu(%zu) Accounts %d(%zu) Invites %d(%zu)",
+ us, usm, acc, acc * (ACCOUNTLEN + 1),
+ usi, usi * sizeof(struct SLink));
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":User channels %d(%zu) Aways %d(%zu)", memberships,
+ memberships * sizeof(struct Membership), aw, awm);
+
+ totcl = cm + cnm + us * sizeof(struct User) + memberships * sizeof(struct Membership) + awm;
+ totcl += lcc * sizeof(struct SLink) + usi * sizeof(struct SLink);
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG, ":Conflines %d(%zu) Attached %d(%zu) Classes %d(%zu)",
+ co, com, lcc, lcc * sizeof(struct SLink),
+ cl, cl * sizeof(struct ConnectionClass));
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Channels %d(%zu) Bans %d(%zu)", ch, chm, chb, chbm);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Channel Members %d(%zu) Invites %d(%zu)", memberships,
+ memberships * sizeof(struct Membership), chi,
+ chi * sizeof(struct SLink));
+
+ totch = chm + chbm + chi * sizeof(struct SLink);
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Whowas Users %d(%zu) Away %d(%zu) Array %d(%zu)",
+ wwu, wwu * sizeof(struct User), wwa, wwam,
+ feature_int(FEAT_NICKNAMEHISTORYLENGTH), wwm);
+
+ totww = wwu * sizeof(struct User) + wwam + wwm;
+
+ motd_memory_count(cptr);
+
+ gl = gline_memory_count(&glm);
+ ju = jupe_memory_count(&jum);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Glines %d(%zu) Jupes %d(%zu)", gl, glm, ju, jum);
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Hash: client %d(%zu), chan is the same", HASHSIZE,
+ sizeof(void *) * HASHSIZE);
+
+ count_listener_memory(&listeners, &listenersm);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Listeners allocated %d(%zu)", listeners, listenersm);
+ /*
+ * NOTE: this count will be accurate only for the exact instant that this
+ * message is being sent, so the count is affected by the dbufs that
+ * are being used to send this message out. If this is not desired, move
+ * the dbuf_count_memory call to a place before we start sending messages
+ * and cache DBufAllocCount and DBufUsedCount in variables until they
+ * are sent.
+ */
+ dbuf_count_memory(&dbufs_allocated, &dbufs_used);
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":DBufs allocated %d(%zu) used %d(%zu)", DBufAllocCount,
+ dbufs_allocated, DBufUsedCount, dbufs_used);
+
+ /* The DBuf caveats now count for this, but this routine now sends
+ * replies all on its own.
+ */
+ msgq_count_memory(cptr, &msg_allocated, &msgbuf_allocated);
+
+ rm = cres_mem(cptr);
+
+ tot =
+ totww + totch + totcl + com + cl * sizeof(struct ConnectionClass) +
+ dbufs_allocated + msg_allocated + msgbuf_allocated + rm;
+ tot += sizeof(void *) * HASHSIZE * 3;
+
+#if defined(MDEBUG)
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG, ":Allocations: %zu(%zu)",
+ fda_get_block_count(), fda_get_byte_count());
+#endif
+
+ send_reply(cptr, SND_EXPLICIT | RPL_STATSDEBUG,
+ ":Total: ww %zu ch %zu cl %zu co %zu db %zu ms %zu mb %zu",
+ totww, totch, totcl, com, dbufs_allocated, msg_allocated,
+ msgbuf_allocated);
+}
projects / ircu2.10.12-pk.git / blobdiff