X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Flocksrv.c;h=176aba58aa05221138031548974e4836c3587a44;hb=9b4f970d2816490fa4cc850fabc51f494ee5612b;hp=f8d712d48043cdd7cc9b9f8639e72f6abb29448c;hpb=c325477904a47c61586ad9b756b9280c22351c6b;p=idzebra-moved-to-github.git diff --git a/index/locksrv.c b/index/locksrv.c index f8d712d..176aba5 100644 --- a/index/locksrv.c +++ b/index/locksrv.c @@ -1,10 +1,40 @@ /* - * Copyright (C) 1994-1996, Index Data I/S + * Copyright (C) 1994-1999, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: locksrv.c,v $ - * Revision 1.6 1996-10-29 14:06:52 adam + * Revision 1.15 2000-12-01 17:59:08 adam + * Fixed bug regarding online updates on WIN32. + * When zebra.cfg is not available the server will not abort. + * + * Revision 1.14 2000/03/15 15:00:30 adam + * First work on threaded version. + * + * Revision 1.13 1999/05/26 07:49:13 adam + * C++ compilation. + * + * Revision 1.12 1999/02/02 14:50:58 adam + * Updated WIN32 code specific sections. Changed header. + * + * Revision 1.11 1998/03/05 08:45:12 adam + * New result set model and modular ranking system. Moved towards + * descent server API. System information stored as "SGML" records. + * + * Revision 1.10 1997/09/29 09:08:36 adam + * Revised locking system to be thread safe for the server. + * + * Revision 1.9 1997/09/25 14:54:43 adam + * WIN32 files lock support. + * + * Revision 1.8 1997/09/17 12:19:15 adam + * Zebra version corresponds to YAZ version 1.4. + * Changed Zebra server so that it doesn't depend on global common_resource. + * + * Revision 1.7 1997/09/04 13:58:04 adam + * Added O_BINARY for open calls. + * + * Revision 1.6 1996/10/29 14:06:52 adam * Include zebrautl.h instead of alexutil.h. * * Revision 1.5 1996/05/15 11:58:18 adam @@ -29,7 +59,11 @@ */ #include #include +#ifdef WIN32 +#include +#else #include +#endif #include #include #include @@ -37,30 +71,48 @@ #include "zserver.h" -static int server_lock_cmt = -1; -static int server_lock_org = -1; +int zebra_server_lock_init (ZebraService zi) +{ + char path_prefix[1024]; + + zi->server_lock_cmt = NULL; + zi->server_lock_org = NULL; + + zebra_lock_prefix (zi->res, path_prefix); + zi->server_path_prefix = (char *) xmalloc (strlen(path_prefix)+1); + strcpy (zi->server_path_prefix, path_prefix); -int zebraServerLock (int commitPhase) + logf (LOG_DEBUG, "Locking system initialized"); + return 0; +} + +int zebra_server_lock_destroy (ZebraService zi) { - char pathPrefix[1024]; - char path[1024]; - - zebraLockPrefix (pathPrefix); + xfree (zi->server_path_prefix); + zebra_lock_destroy (zi->server_lock_cmt); + zebra_lock_destroy (zi->server_lock_org); + logf (LOG_DEBUG, "Locking system destroyed"); + return 0; +} - if (server_lock_cmt == -1) +int zebra_server_lock (ZebraService zi, int commitPhase) +{ + if (!zi->server_lock_cmt) { - sprintf (path, "%s%s", pathPrefix, FNAME_COMMIT_LOCK); - if ((server_lock_cmt = open (path, O_CREAT|O_RDWR, 0666)) - == -1) + char path[1024]; + + strcpy (path, zi->server_path_prefix); + strcat (path, FNAME_COMMIT_LOCK); + if (!(zi->server_lock_cmt = zebra_lock_create (path, 0))) { logf (LOG_FATAL|LOG_ERRNO, "create %s", path); return -1; } - assert (server_lock_org == -1); + assert (zi->server_lock_org == NULL); - sprintf (path, "%s%s", pathPrefix, FNAME_ORG_LOCK); - if ((server_lock_org = open (path, O_CREAT|O_RDWR, 0666)) - == -1) + strcpy (path, zi->server_path_prefix); + strcat (path, FNAME_ORG_LOCK); + if (!(zi->server_lock_org = zebra_lock_create (path, 0))) { logf (LOG_FATAL|LOG_ERRNO, "create %s", path); return -1; @@ -69,50 +121,49 @@ int zebraServerLock (int commitPhase) if (commitPhase) { logf (LOG_DEBUG, "Server locks org"); - zebraLock (server_lock_org, 0); + zebra_lock (zi->server_lock_org); } else { logf (LOG_DEBUG, "Server locks cmt"); - zebraLock (server_lock_cmt, 0); + zebra_lock (zi->server_lock_cmt); } return 0; } -void zebraServerUnlock (int commitPhase) +void zebra_server_unlock (ZebraService zi, int commitPhase) { - if (server_lock_org == -1) + if (zi->server_lock_org == NULL) return; if (commitPhase) { logf (LOG_DEBUG, "Server unlocks org"); - zebraUnlock (server_lock_org); + zebra_unlock (zi->server_lock_org); } else { logf (LOG_DEBUG, "Server unlocks cmt"); - zebraUnlock (server_lock_cmt); + zebra_unlock (zi->server_lock_cmt); } } -int zebraServerLockGetState (time_t *timep) +int zebra_server_lock_get_state (ZebraService zi, time_t *timep) { - char pathPrefix[1024]; char path[1024]; char buf[256]; int fd; struct stat xstat; - zebraLockPrefix (pathPrefix); - - sprintf (path, "%s%s", pathPrefix, FNAME_TOUCH_TIME); + strcpy (path, zi->server_path_prefix); + strcat (path, FNAME_TOUCH_TIME); if (stat (path, &xstat) == -1) *timep = 1; else - *timep = xstat.st_ctime; - - sprintf (path, "%s%s", pathPrefix, FNAME_MAIN_LOCK); - fd = open (path, O_RDONLY); + *timep = xstat.st_mtime; + + strcpy (path, zi->server_path_prefix); + strcat (path, FNAME_MAIN_LOCK); + fd = open (path, O_BINARY|O_RDONLY); if (fd == -1) { *buf = 0;