This patch use new implementation. In cgrulesengd.c, static variable
template_files is used to save all config files, i.e. /etc/cgconfig.conf and
/etc/cgconfig.d/*. This list of files is then passed to
cgroup_templates_cache_set_source_files, which saves files to template_files in
config.c module. This list is accessed through invocation of
cgroup_init_templates_cache_from_files and
cgroup_reload_templates_cache_from_files, which can access variables only from
config.c, thus presenting cgroup_templates_cache_set_source_files function. At
the end, this list is set free.
Signed-off-by: jchaloup <jchal...@redhat.com>
---
src/daemon/cgrulesengd.c | 40 ++++++++++++++++++++++++++++++++++++----
src/libcgroup-internal.h | 3 +++
src/tools/tools-common.h | 2 +-
3 files changed, 40 insertions(+), 5 deletions(-)
diff --git a/src/daemon/cgrulesengd.c b/src/daemon/cgrulesengd.c
index 367b898..5b6d513 100644
--- a/src/daemon/cgrulesengd.c
+++ b/src/daemon/cgrulesengd.c
@@ -34,6 +34,7 @@
#include "libcgroup.h"
#include "cgrulesengd.h"
#include "../libcgroup-internal.h"
+#include "../tools/tools-common.h"
#include <errno.h>
#include <stdarg.h>
@@ -59,6 +60,9 @@
#define NUM_PER_REALLOCATIOM (100)
+/* list of config files from /etc/cgconfig.conf and /etc/cgconfig.d/ */
+static struct cgroup_string_list template_files;
+
/* Log file, NULL if logging to file is disabled */
FILE* logfile;
@@ -1180,6 +1184,25 @@ int main(int argc, char *argv[])
}
/* Ask libcgroup to load the configuration rules. */
+ ret = cgroup_string_list_init(&template_files,
+ CGCONFIG_CONF_FILES_LIST_MINIMUM_SIZE);
+ if (ret) {
+ fprintf(stderr, "%s: cannot init file list, out of memory?\n",
+ argv[0]);
+ goto finished;
+ }
+ /* first add CGCONFIG_CONF_FILE into file list */
+ ret = cgroup_string_list_add_item(&template_files, CGCONFIG_CONF_FILE);
+ if (ret) {
+ fprintf(stderr, "%s: cannot add file to list, out of memory?\n"
+ , argv[0]);
+ goto finished;
+ }
+
+ /* then read CGCONFIG_CONF_DIR directory for additional config files */
+ cgroup_string_list_add_directory(&template_files, CGCONFIG_CONF_DIR,
+ argv[0]);
+
if ((ret = cgroup_init_rules_cache()) != 0) {
fprintf(stderr, "Error: libcgroup failed to initialize rules"
"cache from %s. %s\n", CGRULES_CONF_FILE,
@@ -1188,11 +1211,18 @@ int main(int argc, char *argv[])
}
/* ask libcgroup to load template rules as well */
- ret = cgroup_init_templates_cache(CGCONFIG_CONF_FILE);
+ cgroup_templates_cache_set_source_files(&template_files);
+ int fileindex;
+ ret = cgroup_init_templates_cache_from_files(&fileindex);
if (ret != 0) {
- fprintf(stderr, "Error: libcgroup failed to initialize teplate"\
- "rules from %s. %s\n", CGCONFIG_CONF_FILE,
- cgroup_strerror(ret));
+ if (fileindex < 0) {
+#define DE1 "Error: Template source files have not been set\n"
+ fprintf(stderr, DE1);
+ } else {
+#define DE2 "Error: Failed to initialize template rules from %s. %s\n"
+ fprintf(stderr, DE2, template_files.items[fileindex],
+ cgroup_strerror(-ret));
+ }
goto finished;
}
@@ -1262,5 +1292,7 @@ finished:
if (logfile && logfile != stdout)
fclose(logfile);
+ cgroup_string_list_free(&template_files);
+
return ret;
}
diff --git a/src/libcgroup-internal.h b/src/libcgroup-internal.h
index 4c0f46c..c128788 100644
--- a/src/libcgroup-internal.h
+++ b/src/libcgroup-internal.h
@@ -48,6 +48,9 @@ __BEGIN_DECLS
#define CGCONFIG_CONF_FILE "/etc/cgconfig.conf"
+/* Minimum number of file in template file list for cgrulesengd */
+#define CGCONFIG_CONF_FILES_LIST_MINIMUM_SIZE 4
+#define CGCONFIG_CONF_DIR "/etc/cgconfig.d"
#define CGRULES_CONF_FILE "/etc/cgrules.conf"
#define CGRULES_MAX_FIELDS_PER_LINE 3
diff --git a/src/tools/tools-common.h b/src/tools/tools-common.h
index e05465f..c723eb4 100644
--- a/src/tools/tools-common.h
+++ b/src/tools/tools-common.h
@@ -20,7 +20,7 @@
#include "config.h"
#include <libcgroup.h>
-#include <libcgroup-internal.h>
+#include "../libcgroup-internal.h"
#define cgroup_err(x...) cgroup_log(CGROUP_LOG_ERROR, x)
#define cgroup_warn(x...) cgroup_log(CGROUP_LOG_WARNING, x)
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