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

   1 /* init.c - initialize various things */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/socket.h>
   8 #include <ac/string.h>
   9 #include <ac/time.h>
  10
  11 #include "slap.h"
  12
  13 /*
  14  * read-only global variables or variables only written by the listener
  15  * thread (after they are initialized) - no need to protect them with a mutex.
  16  */
  17 int             slap_debug = 0;
  18
  19 #ifdef LDAP_DEBUG
  20 int             ldap_syslog = LDAP_DEBUG_STATS;
  21 #else
  22 int             ldap_syslog;
  23 #endif
  24
  25 int             ldap_syslog_level = LOG_DEBUG;
  26 char            *default_referral;
  27 int             g_argc;
  28 char            **g_argv;
  29
  30 /*
  31  * global variables that need mutex protection
  32  */
  33 int                             active_threads;
  34 ldap_pvt_thread_mutex_t active_threads_mutex;
  35 ldap_pvt_thread_cond_t  active_threads_cond;
  36
  37 ldap_pvt_thread_mutex_t gmtime_mutex;
  38 #ifdef SLAPD_CRYPT
  39 ldap_pvt_thread_mutex_t crypt_mutex;
  40 #endif
  41
  42 int                             num_conns;
  43 long                    num_ops_initiated;
  44 long                    num_ops_completed;
  45 ldap_pvt_thread_mutex_t num_ops_mutex;
  46
  47 long                    num_entries_sent;
  48 long                    num_bytes_sent;
  49 ldap_pvt_thread_mutex_t num_sent_mutex;
  50 /*
  51  * these mutexes must be used when calling the entry2str()
  52  * routine since it returns a pointer to static data.
  53  */
  54 ldap_pvt_thread_mutex_t entry2str_mutex;
  55 ldap_pvt_thread_mutex_t replog_mutex;
  56
  57 static char* slap_name;
  58 int slapMode = SLAP_UNDEFINED_MODE;
  59
  60 static ldap_pvt_thread_mutex_t  currenttime_mutex;
  61
  62 int
  63 slap_init( int mode, char *name )
  64 {
  65         int rc;
  66
  67         if( slapMode != SLAP_UNDEFINED_MODE ) {
  68                 Debug( LDAP_DEBUG_ANY,
  69                  "%s init: init called twice (old=%d, new=%d)\n",
  70                  name, slapMode, mode );
  71                 return 1;
  72         }
  73
  74         slapMode = mode;
  75
  76         switch ( slapMode ) {
  77
  78                 case SLAP_SERVER_MODE:
  79                 case SLAP_TOOL_MODE:
  80 #ifdef SLAPD_BDB2
  81                 case SLAP_TIMEDSERVER_MODE:
  82                 case SLAP_TOOLID_MODE:
  83 #endif
  84
  85                         Debug( LDAP_DEBUG_TRACE,
  86                                 "%s init: initiated %s.\n",
  87                                 name, mode == SLAP_TOOL_MODE ? "tool" : "server", 0 );
  88
  89                         slap_name = name;
  90
  91                         (void) ldap_pvt_thread_initialize();
  92
  93                         ldap_pvt_thread_mutex_init( &active_threads_mutex );
  94                         ldap_pvt_thread_cond_init( &active_threads_cond );
  95
  96                         ldap_pvt_thread_mutex_init( &currenttime_mutex );
  97                         ldap_pvt_thread_mutex_init( &entry2str_mutex );
  98                         ldap_pvt_thread_mutex_init( &replog_mutex );
  99                         ldap_pvt_thread_mutex_init( &num_ops_mutex );
 100                         ldap_pvt_thread_mutex_init( &num_sent_mutex );
 101
 102                         ldap_pvt_thread_mutex_init( &gmtime_mutex );
 103 #ifdef SLAPD_CRYPT
 104                         ldap_pvt_thread_mutex_init( &crypt_mutex );
 105 #endif
 106
 107                         rc = backend_init();
 108                         break;
 109
 110                 default:
 111                         Debug( LDAP_DEBUG_ANY,
 112                                 "%s init: undefined mode (%d).\n", name, mode, 0 );
 113                         rc = 1;
 114                         break;
 115         }
 116
 117         return rc;
 118 }
 119
 120 int slap_startup(int dbnum)
 121 {
 122         int rc;
 123
 124         Debug( LDAP_DEBUG_TRACE,
 125                 "%s startup: initiated.\n",
 126                 slap_name, 0, 0 );
 127
 128         rc = backend_startup(dbnum);
 129
 130         return rc;
 131 }
 132
 133 int slap_shutdown(int dbnum)
 134 {
 135         int rc;
 136
 137         Debug( LDAP_DEBUG_TRACE,
 138                 "%s shutdown: initiated\n",
 139                 slap_name, 0, 0 );
 140
 141         /* let backends do whatever cleanup they need to do */
 142         rc = backend_shutdown(dbnum);
 143
 144         return rc;
 145 }
 146
 147 int slap_destroy(void)
 148 {
 149         int rc;
 150
 151         Debug( LDAP_DEBUG_TRACE,
 152                 "%s shutdown: freeing system resources.\n",
 153                 slap_name, 0, 0 );
 154
 155         rc = backend_destroy();
 156
 157         /* should destory the above mutex */
 158         return rc;
 159 }
 160
 161 /* should create a utils.c for these */
 162 time_t slap_get_time(void)
 163 {
 164         time_t t;
 165         ldap_pvt_thread_mutex_lock( &currenttime_mutex );
 166         time( &t );
 167         ldap_pvt_thread_mutex_unlock( &currenttime_mutex );
 168         return t;
 169 }