* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
- * $Id: cache.c 3436 2007-05-02 19:56:40Z jilles $
+ * $Id: cache.c 25119 2008-03-13 16:57:05Z androsyn $
*/
#include "stdinc.h"
#include "ircd_defs.h"
#include "common.h"
#include "s_conf.h"
-#include "tools.h"
#include "client.h"
-#include "memory.h"
-#include "balloc.h"
-#include "event.h"
#include "hash.h"
#include "cache.h"
-#include "sprintf_irc.h"
-
-static BlockHeap *cachefile_heap = NULL;
-static BlockHeap *cacheline_heap = NULL;
+#include "irc_dictionary.h"
+#include "numeric.h"
+#include "send.h"
struct cachefile *user_motd = NULL;
struct cachefile *oper_motd = NULL;
+struct cacheline *emptyline = NULL;
+rb_dlink_list links_cache_list;
char user_motd_changed[MAX_DATE_STRING];
+struct Dictionary *help_dict_oper = NULL;
+struct Dictionary *help_dict_user = NULL;
+
/* init_cache()
*
* inputs -
void
init_cache(void)
{
- cachefile_heap = BlockHeapCreate(sizeof(struct cachefile), CACHEFILE_HEAP_SIZE);
- cacheline_heap = BlockHeapCreate(sizeof(struct cacheline), CACHELINE_HEAP_SIZE);
+ /* allocate the emptyline */
+ emptyline = rb_malloc(sizeof(struct cacheline));
+ emptyline->data = rb_strdup(" ");
user_motd_changed[0] = '\0';
user_motd = cache_file(MPATH, "ircd.motd", 0);
oper_motd = cache_file(OPATH, "opers.motd", 0);
+ memset(&links_cache_list, 0, sizeof(links_cache_list));
+
+ help_dict_oper = irc_dictionary_create(strcasecmp);
+ help_dict_user = irc_dictionary_create(strcasecmp);
+}
+
+/*
+ * removes tabs from src, replaces with 8 spaces, and returns the length
+ * of the new string. if the new string would be greater than destlen,
+ * it is truncated to destlen - 1
+ */
+static size_t
+untabify(char *dest, const char *src, size_t destlen)
+{
+ size_t x = 0, i;
+ const char *s = src;
+ char *d = dest;
+
+ while(*s != '\0' && x < destlen - 1)
+ {
+ if(*s == '\t')
+ {
+ for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
+ *d = ' ';
+ s++;
+ } else
+ {
+ *d++ = *s++;
+ x++;
+ }
+ }
+ *d = '\0';
+ return x;
}
/* cache_file()
if((in = fopen(filename, "r")) == NULL)
return NULL;
- if(strcmp(shortname, "ircd.motd") == 0)
- {
- struct stat sb;
- struct tm *local_tm;
-
- if(fstat(fileno(in), &sb) < 0)
- return NULL;
- local_tm = localtime(&sb.st_mtime);
+ cacheptr = rb_malloc(sizeof(struct cachefile));
- if(local_tm != NULL)
- ircsnprintf(user_motd_changed, sizeof(user_motd_changed),
- "%d/%d/%d %d:%d",
- local_tm->tm_mday, local_tm->tm_mon + 1,
- 1900 + local_tm->tm_year, local_tm->tm_hour,
- local_tm->tm_min);
- }
-
- cacheptr = BlockHeapAlloc(cachefile_heap);
-
- strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
+ rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
cacheptr->flags = flags;
/* cache the file... */
while(fgets(line, sizeof(line), in) != NULL)
{
- if((p = strchr(line, '\n')) != NULL)
+ if((p = strpbrk(line, "\r\n")) != NULL)
*p = '\0';
- lineptr = BlockHeapAlloc(cacheline_heap);
- if(EmptyString(line))
- strlcpy(lineptr->data, " ", sizeof(lineptr->data));
+ if(!EmptyString(line))
+ {
+ char untabline[BUFSIZE];
+
+ lineptr = rb_malloc(sizeof(struct cacheline));
+
+ untabify(untabline, line, sizeof(untabline));
+ lineptr->data = rb_strdup(untabline);
+
+ rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
+ }
else
- strlcpy(lineptr->data, line, sizeof(lineptr->data));
- dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
+ rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
+ }
+
+ if (0 == rb_dlink_list_length(&cacheptr->contents))
+ {
+ /* No contents. Don't cache it after all. */
+ rb_free(cacheptr);
+ cacheptr = NULL;
}
fclose(in);
return cacheptr;
}
+void
+cache_links(void *unused)
+{
+ struct Client *target_p;
+ rb_dlink_node *ptr;
+ rb_dlink_node *next_ptr;
+ char *links_line;
+
+ RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
+ {
+ rb_free(ptr->data);
+ rb_free_rb_dlink_node(ptr);
+ }
+
+ links_cache_list.head = links_cache_list.tail = NULL;
+ links_cache_list.length = 0;
+
+ RB_DLINK_FOREACH(ptr, global_serv_list.head)
+ {
+ target_p = ptr->data;
+
+ /* skip ourselves (done in /links) and hidden servers */
+ if(IsMe(target_p) ||
+ (IsHidden(target_p) && !ConfigServerHide.disable_hidden))
+ continue;
+
+ /* if the below is ever modified, change LINKSLINELEN */
+ links_line = rb_malloc(LINKSLINELEN);
+ rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
+ target_p->name, me.name,
+ target_p->info[0] ? target_p->info :
+ "(Unknown Location)");
+
+ rb_dlinkAddTailAlloc(links_line, &links_cache_list);
+ }
+}
+
/* free_cachefile()
*
* inputs - cachefile to free
void
free_cachefile(struct cachefile *cacheptr)
{
- dlink_node *ptr;
- dlink_node *next_ptr;
+ rb_dlink_node *ptr;
+ rb_dlink_node *next_ptr;
if(cacheptr == NULL)
return;
- DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
+ RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
{
- BlockHeapFree(cacheline_heap, ptr->data);
+ if(ptr->data != emptyline)
+ {
+ struct cacheline *line = ptr->data;
+ rb_free(line->data);
+ rb_free(line);
+ }
}
- BlockHeapFree(cachefile_heap, cacheptr);
+ rb_free(cacheptr);
}
/* load_help()
*
* inputs -
* outputs -
- * side effects - contents of help directories are loaded.
+ * side effects - old help cache deleted
+ * - contents of help directories are loaded.
*/
void
load_help(void)
{
DIR *helpfile_dir = NULL;
struct dirent *ldirent= NULL;
- char filename[MAXPATHLEN];
+ char filename[PATH_MAX];
struct cachefile *cacheptr;
+ struct DictionaryIter iter;
#if defined(S_ISLNK) && defined(HAVE_LSTAT)
struct stat sb;
#endif
- /* opers must be done first */
+ DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
+ {
+ irc_dictionary_delete(help_dict_oper, cacheptr->name);
+ free_cachefile(cacheptr);
+ }
+ DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
+ {
+ irc_dictionary_delete(help_dict_user, cacheptr->name);
+ free_cachefile(cacheptr);
+ }
+
helpfile_dir = opendir(HPATH);
if(helpfile_dir == NULL)
while((ldirent = readdir(helpfile_dir)) != NULL)
{
- ircsnprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
+ if(ldirent->d_name[0] == '.')
+ continue;
+ rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
- add_to_help_hash(cacheptr->name, cacheptr);
+ irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
}
closedir(helpfile_dir);
while((ldirent = readdir(helpfile_dir)) != NULL)
{
- ircsnprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
+ if(ldirent->d_name[0] == '.')
+ continue;
+ rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
#if defined(S_ISLNK) && defined(HAVE_LSTAT)
if(lstat(filename, &sb) < 0)
*/
if(S_ISLNK(sb.st_mode))
{
- cacheptr = hash_find_help(ldirent->d_name, HELP_OPER);
+ cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);
if(cacheptr != NULL)
{
#endif
cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
- add_to_help_hash(cacheptr->name, cacheptr);
+ irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
}
closedir(helpfile_dir);
send_user_motd(struct Client *source_p)
{
struct cacheline *lineptr;
- dlink_node *ptr;
+ rb_dlink_node *ptr;
const char *myname = get_id(&me, source_p);
const char *nick = get_id(source_p, source_p);
-
- if(user_motd == NULL || dlink_list_length(&user_motd->contents) == 0)
+ if(user_motd == NULL || rb_dlink_list_length(&user_motd->contents) == 0)
{
sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
return;
sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
- DLINK_FOREACH(ptr, user_motd->contents.head)
+ RB_DLINK_FOREACH(ptr, user_motd->contents.head)
{
lineptr = ptr->data;
sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
}
+void
+cache_user_motd(void)
+{
+ struct stat sb;
+ struct tm *local_tm;
+
+ if(stat(MPATH, &sb) == 0)
+ {
+ local_tm = localtime(&sb.st_mtime);
+
+ if(local_tm != NULL)
+ {
+ rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
+ "%d/%d/%d %d:%d",
+ local_tm->tm_mday, local_tm->tm_mon + 1,
+ 1900 + local_tm->tm_year, local_tm->tm_hour,
+ local_tm->tm_min);
+ }
+ }
+ free_cachefile(user_motd);
+ user_motd = cache_file(MPATH, "ircd.motd", 0);
+}
+
+
/* send_oper_motd()
*
* inputs - client to send motd to
send_oper_motd(struct Client *source_p)
{
struct cacheline *lineptr;
- dlink_node *ptr;
+ rb_dlink_node *ptr;
- if(oper_motd == NULL || dlink_list_length(&oper_motd->contents) == 0)
+ if(oper_motd == NULL || rb_dlink_list_length(&oper_motd->contents) == 0)
return;
- sendto_one(source_p, form_str(RPL_OMOTDSTART),
+ sendto_one(source_p, form_str(RPL_OMOTDSTART),
me.name, source_p->name);
- DLINK_FOREACH(ptr, oper_motd->contents.head)
+ RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
{
lineptr = ptr->data;
sendto_one(source_p, form_str(RPL_OMOTD),
me.name, source_p->name, lineptr->data);
}
- sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
+ sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
me.name, source_p->name);
}
-