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authorDenys Vlasenko <dvlasenk@redhat.com>2010-11-15 15:29:24 +0100
committerDenys Vlasenko <dvlasenk@redhat.com>2010-11-15 15:29:24 +0100
commit2cf0d770b66b6c6ce50af2767f575db552cd784c (patch)
tree56ba70257c94add690ddaa8b0ec961c6964a146e /src/lib/hooklib.c
parent2169959c6ba2d77512b8b39366a4d3e476931b4a (diff)
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move inc/ and lib/ to src/. No code changes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'src/lib/hooklib.c')
-rw-r--r--src/lib/hooklib.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/lib/hooklib.c b/src/lib/hooklib.c
new file mode 100644
index 00000000..062e3ddb
--- /dev/null
+++ b/src/lib/hooklib.c
@@ -0,0 +1,138 @@
+/*
+ Copyright (C) 2009 RedHat inc.
+
+ 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; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "abrtlib.h"
+#include "hooklib.h"
+#include <sys/statvfs.h>
+
+void parse_conf(const char *additional_conf, unsigned *setting_MaxCrashReportsSize, bool *setting_MakeCompatCore, bool *setting_SaveBinaryImage)
+{
+ FILE *fp = fopen(CONF_DIR"/abrt.conf", "r");
+ if (!fp)
+ return;
+
+ while (1)
+ {
+ char *line = xmalloc_fgetline(fp);
+ if (!line)
+ {
+ fclose(fp);
+ if (additional_conf)
+ {
+ /* Next .conf file plz */
+ fp = fopen(additional_conf, "r");
+ if (fp)
+ {
+ additional_conf = NULL;
+ continue;
+ }
+ }
+ break;
+ }
+
+ const char *p = skip_whitespace(line);
+#undef DIRECTIVE
+#define DIRECTIVE "MaxCrashReportsSize"
+ if (setting_MaxCrashReportsSize && strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)
+ {
+ p = skip_whitespace(p + sizeof(DIRECTIVE)-1);
+ if (*p != '=')
+ goto free_line;
+ p = skip_whitespace(p + 1);
+ if (isdigit(*p))
+ {
+ /* x1.25: go a bit up, so that usual in-daemon trimming
+ * kicks in first, and we don't "fight" with it. */
+ *setting_MaxCrashReportsSize = (unsigned long)xatou(p) * 5 / 4;
+ }
+ goto free_line;
+ }
+#undef DIRECTIVE
+#define DIRECTIVE "MakeCompatCore"
+ if (setting_MakeCompatCore && strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)
+ {
+ p = skip_whitespace(p + sizeof(DIRECTIVE)-1);
+ if (*p != '=')
+ goto free_line;
+ p = skip_whitespace(p + 1);
+ *setting_MakeCompatCore = string_to_bool(p);
+ goto free_line;
+ }
+#undef DIRECTIVE
+#define DIRECTIVE "SaveBinaryImage"
+ if (setting_SaveBinaryImage && strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)
+ {
+ p = skip_whitespace(p + sizeof(DIRECTIVE)-1);
+ if (*p != '=')
+ goto free_line;
+ p = skip_whitespace(p + 1);
+ *setting_SaveBinaryImage = string_to_bool(p);
+ goto free_line;
+ }
+#undef DIRECTIVE
+ /* add more 'if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)' here... */
+
+ free_line:
+ free(line);
+ }
+}
+
+void check_free_space(unsigned setting_MaxCrashReportsSize)
+{
+ struct statvfs vfs;
+ if (statvfs(DEBUG_DUMPS_DIR, &vfs) != 0)
+ {
+ perror_msg_and_die("statvfs('%s')", DEBUG_DUMPS_DIR);
+ }
+
+ /* Check that at least MaxCrashReportsSize/4 MBs are free */
+
+ /* fs_free_mb_x4 ~= vfs.f_bfree * vfs.f_bsize * 4, expressed in MBytes.
+ * Need to neither overflow nor round f_bfree down too much. */
+ unsigned long fs_free_mb_x4 = ((unsigned long long)vfs.f_bfree / (1024/4)) * vfs.f_bsize / 1024;
+ if (fs_free_mb_x4 < setting_MaxCrashReportsSize)
+ {
+ error_msg_and_die("aborting dump: only %luMiB is available on %s", fs_free_mb_x4 / 4, DEBUG_DUMPS_DIR);
+ }
+}
+
+/* rhbz#539551: "abrt going crazy when crashing process is respawned".
+ * Check total size of dump dir, if it overflows,
+ * delete oldest/biggest dumps.
+ */
+void trim_debug_dumps(unsigned setting_MaxCrashReportsSize, const char *exclude_path)
+{
+ int count = 10;
+ while (--count >= 0)
+ {
+ const char *base_dirname = strrchr(exclude_path, '/') + 1; /* never NULL */
+ /* We exclude our own dump from candidates for deletion (3rd param): */
+ char *worst_dir = NULL;
+ double dirsize = get_dirsize_find_largest_dir(DEBUG_DUMPS_DIR, &worst_dir, base_dirname);
+ if (dirsize / (1024*1024) < setting_MaxCrashReportsSize || !worst_dir)
+ {
+ free(worst_dir);
+ break;
+ }
+ log("size of '%s' >= %u MB, deleting '%s'", DEBUG_DUMPS_DIR, setting_MaxCrashReportsSize, worst_dir);
+ char *d = concat_path_file(DEBUG_DUMPS_DIR, worst_dir);
+ free(worst_dir);
+ worst_dir = NULL;
+ delete_debug_dump_dir(d);
+ free(d);
+ }
+}