From 61eae9834a60a30a75e93ca1897f83e3a1ff65d2 Mon Sep 17 00:00:00 2001
From: michael <michael@82007160-df01-0410-b94d-b575c5fd34c7>
Date: Wed, 7 Jan 2015 18:01:01 +0000
Subject: [PATCH] - Added options::negcache_rebuild configuration option

git-svn-id: svn://svn.ircd-hybrid.org/svnroot/hopm/trunk@5332 82007160-df01-0410-b94d-b575c5fd34c7
---
 doc/reference.conf  | 8 ++++++++
 src/config-lexer.l  | 1 +
 src/config-parser.y | 7 +++++++
 src/config.c        | 1 +
 src/config.h        | 1 +
 src/options.h       | 7 -------
 src/scan.c          | 7 +++----
 7 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/doc/reference.conf b/doc/reference.conf
index 724f52c..754d267 100644
--- a/doc/reference.conf
+++ b/doc/reference.conf
@@ -42,6 +42,14 @@ options {
 	 */
 #	negcache = 1 hour;
 
+	/*
+	 * How long between rebuilds of the negative cache. The negcache
+	 * is only rebuilt to free up memory used by entries that are too old.
+	 * You probably don't need to tweak this unless you have huge amounts
+	 * of people connecting (hundreds per minute). Default is 12 hours.
+	 */
+	negcache_rebuild = 12 hours;
+
 	/*
 	 * Amount of file descriptors to allocate to asynchronous DNS. 64
 	 * should be plenty for almost anyone.
diff --git a/src/config-lexer.l b/src/config-lexer.l
index 0d51e6a..b7a4ba6 100644
--- a/src/config-lexer.l
+++ b/src/config-lexer.l
@@ -112,6 +112,7 @@ MAX_READ                { return MAX_READ;     }
 MODE                    { return MODE;         }
 NAME                    { return NAME;         }
 NEGCACHE                { return NEGCACHE;     }
+NEGCACHE_REBUILD        { return NEGCACHE_REBUILD; }
 NICK                    { return NICK;         }
 NICKSERV                { return NICKSERV;     }
 OPER                    { return OPER;         }
diff --git a/src/config-parser.y b/src/config-parser.y
index 2f7ae5c..67c67e5 100644
--- a/src/config-parser.y
+++ b/src/config-parser.y
@@ -55,6 +55,7 @@ void *tmp;        /* Variable to temporarily hold nodes before insertion to list
 %token MODE
 %token NAME
 %token NEGCACHE
+%token NEGCACHE_REBUILD
 %token NICK
 %token NICKSERV
 %token OPER
@@ -135,6 +136,7 @@ options_items: options_items options_item |
                options_item;
 
 options_item: options_negcache |
+              options_negcache_rebuild |
               options_pidfile |
               options_dns_fdlimit |
               options_scanlog |
@@ -145,6 +147,11 @@ options_negcache: NEGCACHE '=' timespec ';'
    OptionsItem->negcache = $3;
 };
 
+options_negcache_rebuild: NEGCACHE_REBUILD '=' timespec ';'
+{
+   OptionsItem->negcache_rebuild = $3;
+};
+
 options_pidfile: PIDFILE '=' STRING ';'
 {
    MyFree(OptionsItem->pidfile);
diff --git a/src/config.c b/src/config.c
index f89686e..423d00a 100644
--- a/src/config.c
+++ b/src/config.c
@@ -92,6 +92,7 @@ config_setup(void)
 
   /* Setup options block defaults */
   OptionsItem->negcache = 0;   /* 0 disabled negcache */
+  OptionsItem->negcache_rebuild = 43200;
   OptionsItem->pidfile = xstrdup("hopm.pid");
   OptionsItem->dns_fdlimit = 50;
   OptionsItem->scanlog = NULL;
diff --git a/src/config.h b/src/config.h
index 5e56b81..b3a7ab4 100644
--- a/src/config.h
+++ b/src/config.h
@@ -43,6 +43,7 @@ struct ChannelConf
 struct OptionsConf
 {
   int negcache;
+  time_t negcache_rebuild;
   unsigned int dns_fdlimit;
   char *pidfile;
   char *scanlog;
diff --git a/src/options.h b/src/options.h
index 67425e0..7d11bef 100644
--- a/src/options.h
+++ b/src/options.h
@@ -25,11 +25,4 @@
 
 /* Interval in how often we try to reconnect (in seconds) */
 #define RECONNECTINTERVAL 30
-
-/* How long (in seconds) between rebuilds of the negative cache.  The negcache
- * is only rebuilt to free up memory used by entries that are too old.  You
- * probably don't need to tweak this unless you have huge amounts of people
- * connecting (hundreds per minute).  Default is 12 hours.
- */
-#define NEG_CACHE_REBUILD (60 * 60 * 12)
 #endif /* OPTIONS_H */
diff --git a/src/scan.c b/src/scan.c
index 6eabd6e..b3d3a5b 100644
--- a/src/scan.c
+++ b/src/scan.c
@@ -113,15 +113,14 @@ scan_cycle(void)
 void
 scan_timer(void)
 {
-  static unsigned int nc_counter;
+  static time_t nc_counter;
 
   if (OptionsItem->negcache > 0)
   {
-    if (nc_counter++ >= NEG_CACHE_REBUILD)
+    if (nc_counter++ >= OptionsItem->negcache_rebuild)
     {
       /*
-       * Time to rebuild the negative
-       * cache.
+       * Time to rebuild the negative cache.
        */
       if (OPT_DEBUG)
         log_printf("SCAN -> Rebuilding negative cache");
-- 
2.30.2