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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-01-09 19:14:32 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-01-10 15:19:15 -0500
commitdb91ea32aa223d1b087d99811226a9c59a1bb281 (patch)
tree2386025c21e2ecc140f1fa68e97d0a54e39ee042 /src/journal
parentef2648c12793ded136eb81b2482f84027cade614 (diff)
journald: use automatic cleanup
Diffstat (limited to 'src/journal')
-rw-r--r--src/journal/journald-server.c96
1 files changed, 26 insertions, 70 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index 43ffe75560..60e5a913a7 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -91,13 +91,14 @@ DEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);
DEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");
static uint64_t available_space(Server *s) {
- char ids[33], *p;
+ char ids[33];
+ char _cleanup_free_ *p = NULL;
const char *f;
sd_id128_t machine;
struct statvfs ss;
uint64_t sum = 0, avail = 0, ss_avail = 0;
int r;
- DIR *d;
+ DIR _cleanup_closedir_ *d = NULL;
usec_t ts;
JournalMetrics *m;
@@ -125,13 +126,11 @@ static uint64_t available_space(Server *s) {
return 0;
d = opendir(p);
- free(p);
-
if (!d)
return 0;
if (fstatvfs(dirfd(d), &ss) < 0)
- goto finish;
+ return 0;
for (;;) {
struct stat st;
@@ -170,9 +169,6 @@ static uint64_t available_space(Server *s) {
s->cached_available_space = avail;
s->cached_available_space_timestamp = ts;
-finish:
- closedir(d);
-
return avail;
}
@@ -396,7 +392,8 @@ void server_vacuum(Server *s) {
static char *shortened_cgroup_path(pid_t pid) {
int r;
- char *process_path, *init_path, *path;
+ char _cleanup_free_ *process_path = NULL, *init_path = NULL;
+ char *path;
assert(pid > 0);
@@ -405,10 +402,8 @@ static char *shortened_cgroup_path(pid_t pid) {
return NULL;
r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &init_path);
- if (r < 0) {
- free(process_path);
+ if (r < 0)
return NULL;
- }
if (endswith(init_path, "/system"))
init_path[strlen(init_path) - 7] = 0;
@@ -416,23 +411,12 @@ static char *shortened_cgroup_path(pid_t pid) {
init_path[0] = 0;
if (startswith(process_path, init_path)) {
- char *p;
-
- p = strdup(process_path + strlen(init_path));
- if (!p) {
- free(process_path);
- free(init_path);
- return NULL;
- }
- path = p;
+ path = strdup(process_path + strlen(init_path));
} else {
path = process_path;
process_path = NULL;
}
- free(process_path);
- free(init_path);
-
return path;
}
@@ -519,7 +503,7 @@ static void dispatch_message_real(
const char *label, size_t label_len,
const char *unit_id) {
- char *pid = NULL, *uid = NULL, *gid = NULL,
+ char _cleanup_free_ *pid = NULL, *uid = NULL, *gid = NULL,
*source_time = NULL, *boot_id = NULL, *machine_id = NULL,
*comm = NULL, *cmdline = NULL, *hostname = NULL,
*audit_session = NULL, *audit_loginuid = NULL,
@@ -679,24 +663,6 @@ static void dispatch_message_real(
s->split_mode == SPLIT_NONE ? 0 :
(s->split_mode == SPLIT_UID ? realuid :
(realuid == 0 ? 0 : loginuid)), iovec, n);
-
- free(pid);
- free(uid);
- free(gid);
- free(comm);
- free(exe);
- free(cmdline);
- free(source_time);
- free(boot_id);
- free(machine_id);
- free(hostname);
- free(audit_session);
- free(audit_loginuid);
- free(cgroup);
- free(session);
- free(owner_uid);
- free(unit);
- free(selinux_context);
}
void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
@@ -744,7 +710,8 @@ void server_dispatch_message(
int priority) {
int rl;
- char *path = NULL, *c;
+ char _cleanup_free_ *path = NULL;
+ char *c;
assert(s);
assert(iovec || n == 0);
@@ -778,18 +745,16 @@ void server_dispatch_message(
}
}
- rl = journal_rate_limit_test(s->rate_limit, path, priority & LOG_PRIMASK, available_space(s));
+ rl = journal_rate_limit_test(s->rate_limit, path,
+ priority & LOG_PRIMASK, available_space(s));
- if (rl == 0) {
- free(path);
+ if (rl == 0)
return;
- }
/* Write a suppression message if we suppressed something */
if (rl > 1)
- server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED, "Suppressed %u messages from %s", rl - 1, path);
-
- free(path);
+ server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
+ "Suppressed %u messages from %s", rl - 1, path);
finish:
dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id);
@@ -1234,7 +1199,8 @@ static int open_signalfd(Server *s) {
}
static int server_parse_proc_cmdline(Server *s) {
- char *line, *w, *state;
+ char _cleanup_free_ *line = NULL;
+ char *w, *state;
int r;
size_t l;
@@ -1248,13 +1214,11 @@ static int server_parse_proc_cmdline(Server *s) {
}
FOREACH_WORD_QUOTED(w, l, line, state) {
- char *word;
+ char _cleanup_free_ *word;
word = strndup(w, l);
- if (!word) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!word)
+ return -ENOMEM;
if (startswith(word, "systemd.journald.forward_to_syslog=")) {
r = parse_boolean(word + 35);
@@ -1276,25 +1240,18 @@ static int server_parse_proc_cmdline(Server *s) {
s->forward_to_console = r;
} else if (startswith(word, "systemd.journald"))
log_warning("Invalid systemd.journald parameter. Ignoring.");
-
- free(word);
}
- r = 0;
-
-finish:
- free(line);
- return r;
+ return 0;
}
static int server_parse_config_file(Server *s) {
- FILE *f;
- const char *fn;
+ static const char *fn = "/etc/systemd/journald.conf";
+ FILE _cleanup_fclose_ *f = NULL;
int r;
assert(s);
- fn = "/etc/systemd/journald.conf";
f = fopen(fn, "re");
if (!f) {
if (errno == ENOENT)
@@ -1304,12 +1261,11 @@ static int server_parse_config_file(Server *s) {
return -errno;
}
- r = config_parse(fn, f, "Journal\0", config_item_perf_lookup, (void*) journald_gperf_lookup, false, s);
+ r = config_parse(fn, f, "Journal\0", config_item_perf_lookup,
+ (void*) journald_gperf_lookup, false, s);
if (r < 0)
log_warning("Failed to parse configuration file: %s", strerror(-r));
- fclose(f);
-
return r;
}