src/main.c:

	Periodically rebuild the negcache (if enabled) to remove entries
	that are too old.  Note that even though this might only happen
	every 12 hours or so, old entries are ignored by nc_search()
	anyway.  This is just to free up some memory.

diff --git a/src/main.c b/src/main.c
index d7d72a095a9ef7def6a660af0ccb43ef6724c44d..6de2ffcb4fc8eb2d4eefc3c039cb21549afd6ecb 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -44,9 +44,12 @@ along with this program; if not, write to the Free Software
 #include "opercmd.h"
 #include "scan.h"
 #include "stats.h"
+#include "negcache.h"
 #include "options.h"
 
 extern string_list *CONF_SCAN_WARNING;
+extern unsigned int CONF_NEG_CACHE;
+extern struct cnode *nc_head;
 
 static RETSIGTYPE do_signal(int signum);
 
@@ -67,8 +70,11 @@ int main(int argc, char **argv)
        char spid[16];
        pid_t pid;
        int c, lenc, lenl, lenp;
+       unsigned int nc_counter;
        FILE *pidout;
 
+       nc_counter = 0;
+       
        do_stats_init();
        do_scan_init();
 
@@ -147,6 +153,10 @@ int main(int argc, char **argv)
                fclose(pidout);
        }
 
+       /* Initialise negative cache */
+       if (CONF_NEG_CACHE)
+               nc_init(&nc_head);
+
        if (CONF_SCAN_WARNING)
                do_scanwarn_init();
 
@@ -174,6 +184,17 @@ int main(int argc, char **argv)
                                scanwarn_timer();
                        scan_timer();
                        ALARMED = 0;
+
+                       if (CONF_NEG_CACHE) {
+                               if (nc_counter++ >= NEG_CACHE_REBUILD) {
+                                       /*
+                                        * Time to rebuild the negative
+                                        * cache.
+                                        */
+                                       negcache_rebuild();
+                                       nc_counter = 0;
+                               }
+                       }
                }
        }