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authorLennart Poettering <lennart@poettering.net>2010-07-07 01:10:27 +0200
committerLennart Poettering <lennart@poettering.net>2010-07-07 01:10:27 +0200
commit487393e9f11e4a06d91df03232914bd8c4b3368e (patch)
tree137c84629b23a731a3cc114259204b296d7cb684 /src/main.c
parentc846ff4798c4c48d229587297e6df8b593c60c54 (diff)
main: implement manager configuration file
Diffstat (limited to 'src/main.c')
-rw-r--r--src/main.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
index df0da0be4f..a2dc1bc12f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -42,6 +42,7 @@
#include "load-fragment.h"
#include "fdset.h"
#include "special.h"
+#include "conf-parser.h"
static enum {
ACTION_RUN,
@@ -338,6 +339,169 @@ static int parse_proc_cmdline_word(const char *word) {
return 0;
}
+static int config_parse_level(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_set_max_level_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_target(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_set_target_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_color(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_show_color_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_location(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_show_location_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_cpu_affinity(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char *w;
+ size_t l;
+ char *state;
+ cpu_set_t *c = NULL;
+ unsigned ncpus = 0;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ FOREACH_WORD(w, l, rvalue, state) {
+ char *t;
+ int r;
+ unsigned cpu;
+
+ if (!(t = strndup(w, l)))
+ return -ENOMEM;
+
+ r = safe_atou(t, &cpu);
+ free(t);
+
+ if (!c)
+ if (!(c = cpu_set_malloc(&ncpus)))
+ return -ENOMEM;
+
+ if (r < 0 || cpu >= ncpus) {
+ log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
+ CPU_FREE(c);
+ return -EBADMSG;
+ }
+
+ CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
+ }
+
+ if (c) {
+ if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
+ log_warning("Failed to set CPU affinity: %m");
+
+ CPU_FREE(c);
+ }
+
+ return 0;
+}
+
+static int parse_config_file(void) {
+
+ const ConfigItem items[] = {
+ { "LogLevel", config_parse_level, NULL, "Manager" },
+ { "LogTarget", config_parse_target, NULL, "Manager" },
+ { "LogColor", config_parse_color, NULL, "Manager" },
+ { "LogLocation", config_parse_location, NULL, "Manager" },
+ { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" },
+ { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" },
+ { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" },
+ { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
+ { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
+ { NULL, NULL, NULL, NULL }
+ };
+
+ static const char * const sections[] = {
+ "Manager",
+ NULL
+ };
+
+ FILE *f;
+ const char *fn;
+ int r;
+
+ fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
+
+ if (!(f = fopen(fn, "re"))) {
+ if (errno == ENOENT)
+ return 0;
+
+ log_warning("Failed to open configuration file '%s': %m", fn);
+ return 0;
+ }
+
+ if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0)
+ log_warning("Failed to parse configuration file: %s", strerror(-r));
+
+ fclose(f);
+
+ return 0;
+}
+
static int parse_proc_cmdline(void) {
char *line;
int r;
@@ -694,6 +858,9 @@ int main(int argc, char *argv[]) {
/* If we are init, we can block sigkill. Yay. */
ignore_signals(SIGNALS_IGNORE, -1);
+ if (parse_config_file() < 0)
+ goto finish;
+
if (arg_running_as == MANAGER_SYSTEM)
if (parse_proc_cmdline() < 0)
goto finish;