citadel/euidindex.c

   1 /*
   2  * $Id$
   3  *
   4  * Index messages by EUID per room.
   5  *
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13
  14 #if TIME_WITH_SYS_TIME
  15 # include <sys/time.h>
  16 # include <time.h>
  17 #else
  18 # if HAVE_SYS_TIME_H
  19 #  include <sys/time.h>
  20 # else
  21 #  include <time.h>
  22 # endif
  23 #endif
  24
  25
  26 #include <ctype.h>
  27 #include <string.h>
  28 #include <limits.h>
  29 #include <errno.h>
  30 #include <stdarg.h>
  31 #include <sys/stat.h>
  32 #include "citadel.h"
  33 #include "server.h"
  34 #include "serv_extensions.h"
  35 #include "database.h"
  36 #include "msgbase.h"
  37 #include "support.h"
  38 #include "sysdep_decls.h"
  39 #include "citserver.h"
  40 #include "room_ops.h"
  41 #include "user_ops.h"
  42 #include "file_ops.h"
  43 #include "config.h"
  44 #include "control.h"
  45 #include "tools.h"
  46 #include "euidindex.h"
  47
  48
  49 long locate_message_by_euid(char *euid, struct ctdlroom *qrbuf) {
  50         return(0);
  51 }
  52
  53 void index_message_by_euid(char *euid, struct ctdlroom *qrbuf, long msgnum) {
  54         char *key;
  55         int key_len;
  56
  57         lprintf(CTDL_DEBUG, "Indexing message #%ld <%s> in <%s>\n", msgnum, euid, qrbuf->QRname);
  58
  59         key_len = strlen(euid) + sizeof(long) + 1;
  60         key = malloc(key_len);
  61         memcpy(key, &qrbuf->QRnumber, sizeof(long));
  62         strcpy(&key[sizeof(long)], euid);
  63
  64         cdb_store(CDB_EUIDINDEX, key, key_len, &msgnum, sizeof(long));
  65 }
  66
  67
  68
  69 /*
  70  * Called by rebuild_euid_index_for_room() to index one message.
  71  */
  72 void rebuild_euid_index_for_msg(long msgnum, void *userdata) {
  73         struct CtdlMessage *msg;
  74
  75         msg = CtdlFetchMessage(msgnum, 0);
  76         if (msg == NULL) return;
  77         if (msg->cm_fields['E'] != NULL) {
  78                 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgnum);
  79         }
  80         CtdlFreeMessage(msg);
  81 }
  82
  83
  84 void rebuild_euid_index_for_room(struct ctdlroom *qrbuf, void *data) {
  85         static struct RoomProcList *rplist = NULL;
  86         struct RoomProcList *ptr;
  87         struct ctdlroom qr;
  88
  89         /* Lazy programming here.  Call this function as a ForEachRoom backend
  90          * in order to queue up the room names, or call it with a null room
  91          * to make it do the processing.
  92          */
  93         if (qrbuf != NULL) {
  94                 ptr = (struct RoomProcList *)
  95                         malloc(sizeof (struct RoomProcList));
  96                 if (ptr == NULL) return;
  97
  98                 safestrncpy(ptr->name, qrbuf->QRname, sizeof ptr->name);
  99                 ptr->next = rplist;
 100                 rplist = ptr;
 101                 return;
 102         }
 103
 104         while (rplist != NULL) {
 105                 if (getroom(&qr, rplist->name) == 0) {
 106                         lprintf(CTDL_DEBUG, "Rebuilding EUID index for <%s>\n", rplist->name);
 107                         usergoto(rplist->name, 0, 0, NULL, NULL);
 108                         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, rebuild_euid_index_for_msg, NULL);
 109                 }
 110                 ptr = rplist;
 111                 rplist = rplist->next;
 112                 free(ptr);
 113         }
 114 }
 115
 116
 117 /*
 118  * Globally rebuild the EUID indices in every room.
 119  */
 120 void rebuild_euid_index(void) {
 121         cdb_trunc(CDB_EUIDINDEX);
 122
 123         ForEachRoom(rebuild_euid_index_for_room, NULL);
 124         rebuild_euid_index_for_room(NULL, NULL);
 125 }