-/*
- * This module handles fulltext indexing of the message base.
- * Copyright (c) 2005-2022 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
+// This module handles fulltext indexing of the message base.
+//
+// Copyright (c) 2005-2023 by the citadel.org team
+//
+// This program is open source software. Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
#include "../../sysdep.h"
#include <stdlib.h>
long *ftc_msgs[65536];
-/*
- * Compare function
- */
+// Compare function
int longcmp(const void *rec1, const void *rec2) {
long i1, i2;
}
-/*
- * Flush our index cache out to disk.
- */
+// Flush our index cache out to disk.
void ft_flush_cache(void) {
int i;
time_t last_update = 0;
for (i=0; i<65536; ++i) {
if ((time(NULL) - last_update) >= 10) {
- syslog(LOG_INFO,
- "fulltext: flushing index cache to disk (%d%% complete)",
- (i * 100 / 65536)
- );
+ syslog(LOG_INFO, "fulltext: flushing index cache to disk (%d%% complete)", (i * 100 / 65536));
last_update = time(NULL);
}
if (ftc_msgs[i] != NULL) {
- cdb_store(CDB_FULLTEXT, &i, sizeof(int), ftc_msgs[i],
- (ftc_num_msgs[i] * sizeof(long)));
+ cdb_store(CDB_FULLTEXT, &i, sizeof(int), ftc_msgs[i], (ftc_num_msgs[i] * sizeof(long)));
ftc_num_msgs[i] = 0;
free(ftc_msgs[i]);
ftc_msgs[i] = NULL;
}
-/*
- * Index or de-index a message. (op == 1 to index, 0 to de-index)
- */
+// Index or de-index a message. (op == 1 to index, 0 to de-index)
void ft_index_message(long msgnum, int op) {
int num_tokens = 0;
int *tokens = NULL;
syslog(LOG_DEBUG, "fulltext: ft_index_message() %s msg %ld", (op ? "adding" : "removing") , msgnum);
- /* Output the message as text before indexing it, so we don't end up
- * indexing a bunch of encoded base64, etc.
- */
+ // Output the message as text before indexing it, so we don't end up
+ // indexing a bunch of encoded base64, etc.
CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_ALL, 0, 1, 0);
CM_Free(msg);
if (num_tokens > 0) {
for (i=0; i<num_tokens; ++i) {
- /* Add the message to the relevant token bucket */
+ // Add the message to the relevant token bucket
- /* search for tokens[i] */
+ // search for tokens[i]
tok = tokens[i];
if ( (tok >= 0) && (tok <= 65535) ) {
- /* fetch the bucket, Liza */
+ // fetch the bucket, Liza
if (ftc_msgs[tok] == NULL) {
cdb_bucket = cdb_fetch(CDB_FULLTEXT, &tok, sizeof(int));
if (cdb_bucket != NULL) {
}
- if (op == 1) { /* add to index */
+ if (op == 1) { // add to index
++ftc_num_msgs[tok];
- ftc_msgs[tok] = realloc(ftc_msgs[tok],
- ftc_num_msgs[tok]*sizeof(long));
+ ftc_msgs[tok] = realloc(ftc_msgs[tok], ftc_num_msgs[tok]*sizeof(long));
ftc_msgs[tok][ftc_num_msgs[tok] - 1] = msgnum;
}
- if (op == 0) { /* remove from index */
+ if (op == 0) { // remove from index
if (ftc_num_msgs[tok] >= 1) {
for (j=0; j<ftc_num_msgs[tok]; ++j) {
if (ftc_msgs[tok][j] == msgnum) {
}
-/*
- * Add a message to the list of those to be indexed.
- */
+// Add a message to the list of those to be indexed.
void ft_index_msg(long msgnum, void *userdata) {
if ((msgnum > CtdlGetConfigLong("MMfulltext")) && (msgnum <= ft_newhighest)) {
}
-/*
- * Scan a room for messages to index.
- */
-void ft_index_room(struct ctdlroom *qrbuf, void *data)
-{
+// Scan a room for messages to index.
+void ft_index_room(struct ctdlroom *qrbuf, void *data) {
if (server_shutting_down)
return;
}
-/*
- * Begin the fulltext indexing process.
- */
+// Begin the fulltext indexing process.
void do_fulltext_indexing(void) {
int i;
static time_t last_progress = 0L;
static int is_running = 0;
- if (is_running) return; /* Concurrency check - only one can run */
+ if (is_running) return; // Concurrency check - only one can run
is_running = 1;
- /*
- * Don't do this if the site doesn't have it enabled.
- */
+ // Don't do this if the site doesn't have it enabled.
if (!CtdlGetConfigInt("c_enable_fulltext")) {
return;
}
- /*
- * If we've switched wordbreaker modules, burn the index and start over.
- */
+ // If we've switched wordbreaker modules, burn the index and start over.
begin_critical_section(S_CONTROL);
if (CtdlGetConfigInt("MM_fulltext_wordbreaker") != FT_WORDBREAKER_ID) {
syslog(LOG_DEBUG, "fulltext: wb ver on disk = %d, code ver = %d",
}
end_critical_section(S_CONTROL);
- /*
- * Silently return if our fulltext index is up to date with new messages.
- */
+ // Silently return if our fulltext index is up to date with new messages.
if ((CtdlGetConfigLong("MMfulltext") >= CtdlGetConfigLong("MMhighest"))) {
- return; /* nothing to do! */
+ return; // nothing to do!
}
- /*
- * Now go through each room and find messages to index.
- */
+ // Now go through each room and find messages to index.
ft_newhighest = CtdlGetConfigLong("MMhighest");
- CtdlForEachRoom(ft_index_room, NULL); /* load all msg pointers */
+ CtdlForEachRoom(ft_index_room, NULL); // load all msg pointers
if (ft_num_msgs > 0) {
qsort(ft_newmsgs, ft_num_msgs, sizeof(long), longcmp);
- for (i=0; i<(ft_num_msgs-1); ++i) { /* purge dups */
+ for (i=0; i<(ft_num_msgs-1); ++i) { // purge dups
if (ft_newmsgs[i] == ft_newmsgs[i+1]) {
- memmove(&ft_newmsgs[i], &ft_newmsgs[i+1],
- ((ft_num_msgs - i - 1)*sizeof(long)));
+ memmove(&ft_newmsgs[i], &ft_newmsgs[i+1], ((ft_num_msgs - i - 1)*sizeof(long)));
--ft_num_msgs;
--i;
}
}
- /* Here it is ... do each message! */
+ // Here it is ... do each message!
for (i=0; i<ft_num_msgs; ++i) {
if (time(NULL) != last_progress) {
syslog(LOG_DEBUG,
- "fulltext: indexed %d of %d messages (%d%%)",
- i, ft_num_msgs,
- ((i*100) / ft_num_msgs)
- );
+ "fulltext: indexed %d of %d messages (%d%%)", i, ft_num_msgs, ((i*100) / ft_num_msgs));
last_progress = time(NULL);
}
ft_index_message(ft_newmsgs[i], 1);
- /* Check to see if we need to quit early */
+ // Check to see if we need to quit early
if (server_shutting_down) {
syslog(LOG_DEBUG, "fulltext: indexer quitting early");
ft_newhighest = ft_newmsgs[i];
break;
}
- /* Check to see if we have to maybe flush to disk */
+ // Check to see if we have to maybe flush to disk
if (i >= FT_MAX_CACHE) {
syslog(LOG_DEBUG, "fulltext: time to flush.");
ft_newhighest = ft_newmsgs[i];
return;
}
- /* Save our place so we don't have to do this again */
+ // Save our place so we don't have to do this again
ft_flush_cache();
begin_critical_section(S_CONTROL);
CtdlSetConfigLong("MMfulltext", ft_newhighest);
}
-/*
- * API call to perform searches.
- * (This one does the "all of these words" search.)
- * Caller is responsible for freeing the message list.
- */
+// API call to perform searches.
+// (This one does the "all of these words" search.)
+// Caller is responsible for freeing the message list.
void ft_search(int *fts_num_msgs, long **fts_msgs, const char *search_string) {
int num_tokens = 0;
int *tokens = NULL;
if (num_tokens > 0) {
for (i=0; i<num_tokens; ++i) {
- /* search for tokens[i] */
+ // search for tokens[i]
tok = tokens[i];
- /* fetch the bucket, Liza */
+ // fetch the bucket, Liza
if (ftc_msgs[tok] == NULL) {
cdb_bucket = cdb_fetch(CDB_FULLTEXT, &tok, sizeof(int));
if (cdb_bucket != NULL) {
num_all_msgs += ftc_num_msgs[tok];
if (num_all_msgs > 0) {
all_msgs = realloc(all_msgs, num_all_msgs*sizeof(long) );
- memcpy(&all_msgs[num_all_msgs-ftc_num_msgs[tok]],
- ftc_msgs[tok], ftc_num_msgs[tok]*sizeof(long) );
+ memcpy(&all_msgs[num_all_msgs-ftc_num_msgs[tok]], ftc_msgs[tok], ftc_num_msgs[tok]*sizeof(long) );
}
}
if (all_msgs != NULL) {
qsort(all_msgs, num_all_msgs, sizeof(long), longcmp);
- /*
- * At this point, if a message appears num_tokens times in the
- * list, then it contains all of the search tokens.
- */
+ // At this point, if a message appears num_tokens times in the
+ // list, then it contains all of the search tokens.
if (num_all_msgs >= num_tokens)
for (j=0; j<(num_all_msgs-num_tokens+1); ++j) {
if (all_msgs[j] == all_msgs[j+num_tokens-1]) {
-
++num_ret_msgs;
if (num_ret_msgs > num_ret_alloc) {
num_ret_alloc += 64;
- ret_msgs = realloc(ret_msgs,
- (num_ret_alloc*sizeof(long)) );
+ ret_msgs = realloc(ret_msgs, (num_ret_alloc*sizeof(long)) );
}
ret_msgs[num_ret_msgs - 1] = all_msgs[j];
}
-/*
- * This search command is for diagnostic purposes and may be removed or replaced.
- */
+// This search command is for diagnostic purposes and may be removed or replaced.
void cmd_srch(char *argbuf) {
int num_msgs = 0;
long *msgs = NULL;
if (CtdlAccessCheck(ac_logged_in)) return;
if (!CtdlGetConfigInt("c_enable_fulltext")) {
- cprintf("%d Full text index is not enabled on this server.\n",
- ERROR + CMD_NOT_SUPPORTED);
+ cprintf("%d Full text index is not enabled on this server.\n", ERROR + CMD_NOT_SUPPORTED);
return;
}
}
-/*
- * Zero out our index cache.
- */
+// Zero out our index cache.
void initialize_ft_cache(void) {
memset(ftc_num_msgs, 0, (65536 * sizeof(int)));
memset(ftc_msgs, 0, (65536 * sizeof(long *)));
}
-void ft_delete_remove(char *room, long msgnum)
-{
+void ft_delete_remove(char *room, long msgnum) {
if (room) return;
- /* Remove from fulltext index */
+ // Remove from fulltext index
if (CtdlGetConfigInt("c_enable_fulltext")) {
ft_index_message(msgnum, 0);
}
CtdlRegisterSearchFuncHook(ft_search, "fulltext");
CtdlRegisterSessionHook(do_fulltext_indexing, EVT_TIMER, PRIO_CLEANUP + 300);
}
- /* return our module name for the log */
+ // return our module name for the log
return "fulltext";
}
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