diff options
Diffstat (limited to 'source3/libsmb/conncache.c')
| -rw-r--r-- | source3/libsmb/conncache.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/source3/libsmb/conncache.c b/source3/libsmb/conncache.c index 2af4d57b80..49512d7a2e 100644 --- a/source3/libsmb/conncache.c +++ b/source3/libsmb/conncache.c @@ -25,8 +25,6 @@ #include "includes.h" -#define FAILED_CONNECTION_CACHE_TIMEOUT 30 /* Seconds between attempts */ - #define CONNCACHE_ADDR 1 #define CONNCACHE_NAME 2 @@ -44,10 +42,13 @@ struct failed_connection_cache { static struct failed_connection_cache *failed_connection_cache; /********************************************************************** - Check for a previously failed connection + Check for a previously failed connection. + failed_cache_timeout is an a absolute number of seconds after which + we should time this out. If failed_cache_timeout == 0 then time out + immediately. If failed_cache_timeout == -1 then never time out. **********************************************************************/ -NTSTATUS check_negative_conn_cache( const char *domain, const char *server ) +NTSTATUS check_negative_conn_cache_timeout( const char *domain, const char *server, unsigned int failed_cache_timeout ) { struct failed_connection_cache *fcc; NTSTATUS result = NT_STATUS_UNSUCCESSFUL; @@ -59,22 +60,24 @@ NTSTATUS check_negative_conn_cache( const char *domain, const char *server ) for (fcc = failed_connection_cache; fcc; fcc = fcc->next) { - if ( !(strequal(domain, fcc->domain_name) && strequal(server, fcc->controller)) ) + if (!(strequal(domain, fcc->domain_name) && strequal(server, fcc->controller))) { continue; /* no match; check the next entry */ + } /* we have a match so see if it is still current */ + if (failed_cache_timeout != (unsigned int)-1) { + if (failed_cache_timeout == 0 || + (time(NULL) - fcc->lookup_time) > (time_t)failed_cache_timeout) { + /* Cache entry has expired, delete it */ - if ((time(NULL) - fcc->lookup_time) > FAILED_CONNECTION_CACHE_TIMEOUT) - { - /* Cache entry has expired, delete it */ - - DEBUG(10, ("check_negative_conn_cache: cache entry expired for %s, %s\n", - domain, server )); + DEBUG(10, ("check_negative_conn_cache: cache entry expired for %s, %s\n", + domain, server )); - DLIST_REMOVE(failed_connection_cache, fcc); - SAFE_FREE(fcc); + DLIST_REMOVE(failed_connection_cache, fcc); + SAFE_FREE(fcc); - return NT_STATUS_OK; + return NT_STATUS_OK; + } } /* The timeout hasn't expired yet so return false */ @@ -90,6 +93,11 @@ NTSTATUS check_negative_conn_cache( const char *domain, const char *server ) return NT_STATUS_OK; } +NTSTATUS check_negative_conn_cache( const char *domain, const char *server) +{ + return check_negative_conn_cache_timeout(domain, server, FAILED_CONNECTION_CACHE_TIMEOUT); +} + /********************************************************************** Add an entry to the failed conneciton cache (aither a name of dotted decimal IP |