4 * Index messages by EUID per room.
14 #if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
19 # include <sys/time.h>
32 #include <libcitadel.h>
38 #include "sysdep_decls.h"
39 #include "citserver.h"
45 #include "euidindex.h"
48 * The structure of an euidindex record *key* is:
50 * |----room_number----|----------EUID-------------|
51 * (sizeof long) (actual length of euid)
54 * The structure of an euidindex record *value* is:
56 * |-----msg_number----|----room_number----|----------EUID-------------|
57 * (sizeof long) (sizeof long) (actual length of euid)
64 * Return nonzero if the supplied room is one which should have
67 int DoesThisRoomNeedEuidIndexing(struct ctdlroom *qrbuf) {
69 switch(qrbuf->QRdefaultview) {
70 case VIEW_BBS: return(0);
71 case VIEW_MAILBOX: return(0);
72 case VIEW_ADDRESSBOOK: return(1);
73 case VIEW_CALENDAR: return(1);
74 case VIEW_TASKS: return(1);
75 case VIEW_NOTES: return(1);
76 case VIEW_WIKI: return(1);
88 * Locate a message in a given room with a given euid, and return
91 long locate_message_by_euid(char *euid, struct ctdlroom *qrbuf) {
94 struct cdbdata *cdb_euid;
97 lprintf(CTDL_DEBUG, "Searching for EUID <%s> in <%s>\n", euid, qrbuf->QRname);
99 key_len = strlen(euid) + sizeof(long) + 1;
100 key = malloc(key_len);
101 memcpy(key, &qrbuf->QRnumber, sizeof(long));
102 strcpy(&key[sizeof(long)], euid);
104 cdb_euid = cdb_fetch(CDB_EUIDINDEX, key, key_len);
107 if (cdb_euid == NULL) {
111 /* The first (sizeof long) of the record is what we're
112 * looking for. Throw away the rest.
114 memcpy(&msgnum, cdb_euid->ptr, sizeof(long));
117 lprintf(CTDL_DEBUG, "returning msgnum = %ld\n", msgnum);
123 * Store the euid index for a message, which has presumably just been
124 * stored in this room by the caller.
126 void index_message_by_euid(char *euid, struct ctdlroom *qrbuf, long msgnum) {
132 lprintf(CTDL_DEBUG, "Indexing message #%ld <%s> in <%s>\n", msgnum, euid, qrbuf->QRname);
134 key_len = strlen(euid) + sizeof(long) + 1;
135 key = malloc(key_len);
136 memcpy(key, &qrbuf->QRnumber, sizeof(long));
137 strcpy(&key[sizeof(long)], euid);
139 data_len = sizeof(long) + key_len;
140 data = malloc(data_len);
142 memcpy(data, &msgnum, sizeof(long));
143 memcpy(&data[sizeof(long)], key, key_len);
145 cdb_store(CDB_EUIDINDEX, key, key_len, data, data_len);
153 * Called by rebuild_euid_index_for_room() to index one message.
155 void rebuild_euid_index_for_msg(long msgnum, void *userdata) {
156 struct CtdlMessage *msg = NULL;
158 msg = CtdlFetchMessage(msgnum, 0);
159 if (msg == NULL) return;
160 if (msg->cm_fields['E'] != NULL) {
161 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgnum);
163 CtdlFreeMessage(msg);
167 void rebuild_euid_index_for_room(struct ctdlroom *qrbuf, void *data) {
168 static struct RoomProcList *rplist = NULL;
169 struct RoomProcList *ptr;
172 /* Lazy programming here. Call this function as a ForEachRoom backend
173 * in order to queue up the room names, or call it with a null room
174 * to make it do the processing.
177 ptr = (struct RoomProcList *)
178 malloc(sizeof (struct RoomProcList));
179 if (ptr == NULL) return;
181 safestrncpy(ptr->name, qrbuf->QRname, sizeof ptr->name);
187 while (rplist != NULL) {
188 if (getroom(&qr, rplist->name) == 0) {
189 if (DoesThisRoomNeedEuidIndexing(&qr)) {
191 "Rebuilding EUID index for <%s>\n",
193 usergoto(rplist->name, 0, 0, NULL, NULL);
194 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL,
195 rebuild_euid_index_for_msg, NULL);
199 rplist = rplist->next;
206 * Globally rebuild the EUID indices in every room.
208 void rebuild_euid_index(void) {
209 cdb_trunc(CDB_EUIDINDEX); /* delete the old indices */
210 ForEachRoom(rebuild_euid_index_for_room, NULL); /* enumerate rm names */
211 rebuild_euid_index_for_room(NULL, NULL); /* and index them */
217 * Server command to fetch a message number given an euid.
219 void cmd_euid(char *cmdbuf) {
222 struct cdbdata *cdbfr;
223 long *msglist = NULL;
227 if (CtdlAccessCheck(ac_logged_in)) return;
229 extract_token(euid, cmdbuf, 0, '|', sizeof euid);
230 msgnum = locate_message_by_euid(euid, &CC->room);
232 cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);
236 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
238 num_msgs = cdbfr->len / sizeof(long);
239 msglist = (long *) cdbfr->ptr;
240 for (i = 0; i < num_msgs; ++i) {
241 if (msglist[i] == msgnum) {
243 cprintf("%d %ld\n", CIT_OK, msgnum);
250 cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);