git.sur5r.net Git - openldap/blob - servers/slapd/monitor.c

   1 /*
   2  * Copyright (c) 1995 Regents of the University of Michigan.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted
   6  * provided that this notice is preserved and that due credit is given
   7  * to the University of Michigan at Ann Arbor. The name of the University
   8  * may not be used to endorse or promote products derived from this
   9  * software without specific prior written permission. This software
  10  * is provided ``as is'' without express or implied warranty.
  11  */
  12
  13 /* Revision history
  14  *
  15  * 5-Jun-96     jeff.hodges@stanford.edu
  16  *      Added locking of new_conn_mutex when traversing the c[] array.
  17  *      Added locking of currenttime_mutex to protect call(s) to localtime().
  18  */
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include <time.h>
  23 #include <sys/types.h>
  24 #include <sys/socket.h>
  25 #include "slap.h"
  26 #include "ldapconfig.h"
  27
  28 #if defined( SLAPD_MONITOR_DN )
  29
  30 extern int              nbackends;
  31 extern Backend          *backends;
  32 extern int              active_threads;
  33 extern int              dtblsize;
  34 extern Connection       *c;
  35 extern long             ops_initiated;
  36 extern long             ops_completed;
  37 extern long             num_entries_sent;
  38 extern long             num_bytes_sent;
  39 extern time_t           currenttime;
  40 extern time_t           starttime;
  41 extern int              num_conns;
  42
  43 extern pthread_mutex_t  new_conn_mutex;
  44 extern pthread_mutex_t  currenttime_mutex;
  45
  46 extern char Versionstr[];
  47
  48 void
  49 monitor_info( Connection *conn, Operation *op )
  50 {
  51         Entry           *e;
  52         char            buf[BUFSIZ], buf2[22];
  53         struct berval   val;
  54         struct berval   *vals[2];
  55         int             i, nconns, nwritewaiters, nreadwaiters;
  56         struct tm       *ltm;
  57         char            *p, *tmpdn;
  58
  59         vals[0] = &val;
  60         vals[1] = NULL;
  61
  62         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
  63         /* initialize reader/writer lock */
  64         entry_rdwr_init(e);
  65         e->e_attrs = NULL;
  66         e->e_dn = strdup( SLAPD_MONITOR_DN );
  67
  68         val.bv_val = Versionstr;
  69         if (( p = strchr( Versionstr, '\n' )) == NULL ) {
  70                 val.bv_len = strlen( Versionstr );
  71         } else {
  72                 val.bv_len = p - Versionstr;
  73         }
  74         attr_merge( e, "version", vals );
  75
  76         sprintf( buf, "%d", active_threads );
  77         val.bv_val = buf;
  78         val.bv_len = strlen( buf );
  79         attr_merge( e, "threads", vals );
  80
  81         nconns = 0;
  82         nwritewaiters = 0;
  83         nreadwaiters = 0;
  84
  85         pthread_mutex_lock( &new_conn_mutex );
  86         for ( i = 0; i < dtblsize; i++ ) {
  87                 if ( c[i].c_sb.sb_sd != -1 ) {
  88                         nconns++;
  89                         if ( c[i].c_writewaiter ) {
  90                                 nwritewaiters++;
  91                         }
  92                         if ( c[i].c_gettingber ) {
  93                                 nreadwaiters++;
  94                         }
  95                         pthread_mutex_lock( &currenttime_mutex );
  96 #ifdef LDAP_Y2K
  97                         ltm = gmtime( &c[i].c_starttime );
  98                         strftime( buf2, sizeof(buf2), "%Y%m%d%H%M%SZ", ltm );
  99 #else
 100                         ltm = localtime( &c[i].c_starttime );
 101                         strftime( buf2, sizeof(buf2), "%y%m%d%H%M%SZ", ltm );
 102 #endif
 103                         pthread_mutex_unlock( &currenttime_mutex );
 104
 105                         pthread_mutex_lock( &c[i].c_dnmutex );
 106                         sprintf( buf, "%d : %s : %ld : %ld : %s : %s%s", i,
 107                             buf2, c[i].c_opsinitiated, c[i].c_opscompleted,
 108                             c[i].c_dn ? c[i].c_dn : "NULLDN",
 109                             c[i].c_gettingber ? "r" : "",
 110                             c[i].c_writewaiter ? "w" : "" );
 111                         pthread_mutex_unlock( &c[i].c_dnmutex );
 112                         val.bv_val = buf;
 113                         val.bv_len = strlen( buf );
 114                         attr_merge( e, "connection", vals );
 115                 }
 116         }
 117         pthread_mutex_unlock( &new_conn_mutex );
 118
 119         sprintf( buf, "%d", nconns );
 120         val.bv_val = buf;
 121         val.bv_len = strlen( buf );
 122         attr_merge( e, "currentconnections", vals );
 123
 124         sprintf( buf, "%d", num_conns );
 125         val.bv_val = buf;
 126         val.bv_len = strlen( buf );
 127         attr_merge( e, "totalconnections", vals );
 128
 129         sprintf( buf, "%d", dtblsize );
 130         val.bv_val = buf;
 131         val.bv_len = strlen( buf );
 132         attr_merge( e, "dtablesize", vals );
 133
 134         sprintf( buf, "%d", nwritewaiters );
 135         val.bv_val = buf;
 136         val.bv_len = strlen( buf );
 137         attr_merge( e, "writewaiters", vals );
 138
 139         sprintf( buf, "%d", nreadwaiters );
 140         val.bv_val = buf;
 141         val.bv_len = strlen( buf );
 142         attr_merge( e, "readwaiters", vals );
 143
 144         sprintf( buf, "%ld", ops_initiated );
 145         val.bv_val = buf;
 146         val.bv_len = strlen( buf );
 147         attr_merge( e, "opsinitiated", vals );
 148
 149         sprintf( buf, "%ld", ops_completed );
 150         val.bv_val = buf;
 151         val.bv_len = strlen( buf );
 152         attr_merge( e, "opscompleted", vals );
 153
 154         sprintf( buf, "%ld", num_entries_sent );
 155         val.bv_val = buf;
 156         val.bv_len = strlen( buf );
 157         attr_merge( e, "entriessent", vals );
 158
 159         sprintf( buf, "%ld", num_bytes_sent );
 160         val.bv_val = buf;
 161         val.bv_len = strlen( buf );
 162         attr_merge( e, "bytessent", vals );
 163
 164         pthread_mutex_lock( &currenttime_mutex );
 165         ltm = localtime( &currenttime );
 166 #ifdef LDAP_Y2K
 167         strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
 168 #else
 169         strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
 170 #endif
 171         pthread_mutex_unlock( &currenttime_mutex );
 172         val.bv_val = buf;
 173         val.bv_len = strlen( buf );
 174         attr_merge( e, "currenttime", vals );
 175
 176         pthread_mutex_lock( &currenttime_mutex );
 177         ltm = localtime( &starttime );
 178 #ifdef LDAP_Y2K
 179         strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
 180 #else
 181         strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
 182 #endif
 183         pthread_mutex_unlock( &currenttime_mutex );
 184         val.bv_val = buf;
 185         val.bv_len = strlen( buf );
 186         attr_merge( e, "starttime", vals );
 187
 188         sprintf( buf, "%d", nbackends );
 189         val.bv_val = buf;
 190         val.bv_len = strlen( buf );
 191         attr_merge( e, "nbackends", vals );
 192
 193 #ifdef THREAD_SUNOS5_LWP
 194         sprintf( buf, "%d", thr_getconcurrency() );
 195         val.bv_val = buf;
 196         val.bv_len = strlen( buf );
 197         attr_merge( e, "concurrency", vals );
 198 #endif
 199
 200         send_search_entry( &backends[0], conn, op, e, NULL, 0 );
 201         send_ldap_search_result( conn, op, LDAP_SUCCESS, NULL, NULL, 1 );
 202
 203         entry_free( e );
 204 }
 205
 206 #endif /* slapd_monitor_dn */