-// $Id: getvserverbyctx-compat.hc 2596 2007-08-25 16:56:12Z dhozac $ --*- c -*--
-
-// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; version 2 of the License.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "vserver.h"
-#include "internal.h"
-#include "pathconfig.h"
-#include "compat-c99.h"
-
-#include <string.h>
-#include <unistd.h>
-
-#ifdef VC_ENABLE_API_COMPAT
-#include <dirent.h>
-#include <sys/types.h>
-
-
-static char *
-handleLegacy(xid_t xid)
-{
- DIR *dir = opendir(DEFAULT_PKGSTATEDIR);
- struct dirent *ep;
- char * result = 0;
-
- if (dir==0) return 0;
- while ((ep=readdir(dir))!=0) {
- char * const name = ep->d_name;
- size_t l = name ? strlen(name) : 0;
- xid_t cur_xid;
-
- if (l<=4 || strcmp(name+l-4, ".ctx")!=0) continue;
- name[l-4] = '\0';
- cur_xid = vc_getVserverCtx(name, vcCFG_LEGACY, false, 0, vcCTX_XID);
- if (cur_xid!=xid) continue;
-
- result = strdup(name);
- break;
- }
-
- closedir(dir);
- return result;
-}
-#else
-static inline char *
-handleLegacy(xid_t UNUSED xid)
-{
- return 0;
-}
-#endif
-
-static char *
-vc_getVserverByCtx_compat(xid_t ctx, vcCfgStyle *style, char const *revdir,
- bool validate_result)
-{
- if (revdir==0) revdir = DEFAULT_PKGSTATEREVDIR;
-
- {
- vcCfgStyle cur_style = vcCFG_NONE;
- size_t l = strlen(revdir);
- size_t l1;
- char path[l + sizeof(unsigned int)*3 + 3];
-
- strcpy(path, revdir);
- path[l] = '/';
- l1 = utilvserver_fmt_uint(path+l+1, ctx);
- path[l+1+l1] = '\0';
-
- if (style==0 || *style==vcCFG_AUTO) {
- if (access(path, F_OK)==0) cur_style = vcCFG_RECENT_FULL;
- else cur_style = vcCFG_LEGACY;
- }
- else
- cur_style = *style;
-
- switch (cur_style) {
- case vcCFG_RECENT_SHORT :
- case vcCFG_RECENT_FULL :
- // check if expected ctx == actual ctx (but only when this check is
- // request)
- if (validate_result &&
- vc_getVserverCtx(path, vcCFG_RECENT_FULL, false, 0, vcCTX_XID)!=ctx) return 0;
-
- if (style) *style = vcCFG_RECENT_FULL;
- return strdup(path);
- // TODO: handle legacy
- case vcCFG_LEGACY :
- {
- char * tmp = handleLegacy(ctx);
- if (tmp && style)
- *style = vcCFG_LEGACY;
-
- return tmp;
- }
-
- default :
- return 0;
- }
- }
-}