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"
47 #include "ctdl_module.h"
50 * The structure of an euidindex record *key* is:
52 * |----room_number----|----------EUID-------------|
53 * (sizeof long) (actual length of euid)
56 * The structure of an euidindex record *value* is:
58 * |-----msg_number----|----room_number----|----------EUID-------------|
59 * (sizeof long) (sizeof long) (actual length of euid)
66 * Return nonzero if the supplied room is one which should have
69 int DoesThisRoomNeedEuidIndexing(struct ctdlroom *qrbuf) {
71 switch(qrbuf->QRdefaultview) {
72 case VIEW_BBS: return(0);
73 case VIEW_MAILBOX: return(0);
74 case VIEW_ADDRESSBOOK: return(1);
75 case VIEW_CALENDAR: return(1);
76 case VIEW_TASKS: return(1);
77 case VIEW_NOTES: return(1);
78 case VIEW_WIKI: return(1);
90 * Locate a message in a given room with a given euid, and return
93 long locate_message_by_euid(char *euid, struct ctdlroom *qrbuf) {
96 struct cdbdata *cdb_euid;
99 CtdlLogPrintf(CTDL_DEBUG, "Searching for EUID <%s> in <%s>\n", euid, qrbuf->QRname);
101 key_len = strlen(euid) + sizeof(long) + 1;
102 key = malloc(key_len);
103 memcpy(key, &qrbuf->QRnumber, sizeof(long));
104 strcpy(&key[sizeof(long)], euid);
106 cdb_euid = cdb_fetch(CDB_EUIDINDEX, key, key_len);
109 if (cdb_euid == NULL) {
113 /* The first (sizeof long) of the record is what we're
114 * looking for. Throw away the rest.
116 memcpy(&msgnum, cdb_euid->ptr, sizeof(long));
119 CtdlLogPrintf(CTDL_DEBUG, "returning msgnum = %ld\n", msgnum);
125 * Store the euid index for a message, which has presumably just been
126 * stored in this room by the caller.
128 void index_message_by_euid(char *euid, struct ctdlroom *qrbuf, long msgnum) {
134 CtdlLogPrintf(CTDL_DEBUG, "Indexing message #%ld <%s> in <%s>\n", msgnum, euid, qrbuf->QRname);
136 key_len = strlen(euid) + sizeof(long) + 1;
137 key = malloc(key_len);
138 memcpy(key, &qrbuf->QRnumber, sizeof(long));
139 strcpy(&key[sizeof(long)], euid);
141 data_len = sizeof(long) + key_len;
142 data = malloc(data_len);
144 memcpy(data, &msgnum, sizeof(long));
145 memcpy(&data[sizeof(long)], key, key_len);
147 cdb_store(CDB_EUIDINDEX, key, key_len, data, data_len);
155 * Called by rebuild_euid_index_for_room() to index one message.
157 void rebuild_euid_index_for_msg(long msgnum, void *userdata) {
158 struct CtdlMessage *msg = NULL;
160 msg = CtdlFetchMessage(msgnum, 0);
161 if (msg == NULL) return;
162 if (msg->cm_fields['E'] != NULL) {
163 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgnum);
165 CtdlFreeMessage(msg);
169 void rebuild_euid_index_for_room(struct ctdlroom *qrbuf, void *data) {
170 static struct RoomProcList *rplist = NULL;
171 struct RoomProcList *ptr;
174 /* Lazy programming here. Call this function as a CtdlForEachRoom backend
175 * in order to queue up the room names, or call it with a null room
176 * to make it do the processing.
179 ptr = (struct RoomProcList *)
180 malloc(sizeof (struct RoomProcList));
181 if (ptr == NULL) return;
183 safestrncpy(ptr->name, qrbuf->QRname, sizeof ptr->name);
189 while (rplist != NULL) {
190 if (CtdlGetRoom(&qr, rplist->name) == 0) {
191 if (DoesThisRoomNeedEuidIndexing(&qr)) {
192 CtdlLogPrintf(CTDL_DEBUG,
193 "Rebuilding EUID index for <%s>\n",
195 CtdlUserGoto(rplist->name, 0, 0, NULL, NULL);
196 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL,
197 rebuild_euid_index_for_msg, NULL);
201 rplist = rplist->next;
208 * Globally rebuild the EUID indices in every room.
210 void rebuild_euid_index(void) {
211 cdb_trunc(CDB_EUIDINDEX); /* delete the old indices */
212 CtdlForEachRoom(rebuild_euid_index_for_room, NULL); /* enumerate rm names */
213 rebuild_euid_index_for_room(NULL, NULL); /* and index them */
219 * Server command to fetch a message number given an euid.
221 void cmd_euid(char *cmdbuf) {
224 struct cdbdata *cdbfr;
225 long *msglist = NULL;
229 if (CtdlAccessCheck(ac_logged_in)) return;
231 extract_token(euid, cmdbuf, 0, '|', sizeof euid);
232 msgnum = locate_message_by_euid(euid, &CC->room);
234 cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);
238 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
240 num_msgs = cdbfr->len / sizeof(long);
241 msglist = (long *) cdbfr->ptr;
242 for (i = 0; i < num_msgs; ++i) {
243 if (msglist[i] == msgnum) {
245 cprintf("%d %ld\n", CIT_OK, msgnum);
252 cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);
255 CTDL_MODULE_INIT(euidindex)
257 CtdlRegisterProtoHook(cmd_euid, "EUID", "Autoconverted. TODO: document me.");
258 /* return our Subversion id for the Log */