osmocom
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osmo-sysmon
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Add oneshot mode that exits after one iteration 

Change-Id: Id920c4afee633b8da6919b7b318f9c868890a176
This commit is contained in:
Daniel Willmann 2019-11-07 17:04:23 +01:00
parent 85d0fb2b38
commit ebbfbbdbc7
1 changed files with 11 additions and 1 deletions
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12
src/osysmon_main.c
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@ -118,6 +118,7 @@ static void print_usage()
static void print_help() static void print_help()
{ {
printf(" -h --help This text.\n"); printf(" -h --help This text.\n");
printf(" -o --oneshot Oneshot mode. Execute queries once, then exit.\n");
printf(" -c --config-file filename The config file to use.\n"); printf(" -c --config-file filename The config file to use.\n");
printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM Enable debugging.\n"); printf(" -d option --debug=DRLL:DCC:DMM:DRR:DRSL:DNM Enable debugging.\n");
printf(" -D --daemonize Fork the process into a background daemon.\n"); printf(" -D --daemonize Fork the process into a background daemon.\n");
@ -130,9 +131,11 @@ static void print_help()
static struct { static struct {
const char *config_file; const char *config_file;
bool daemonize; bool daemonize;
bool oneshot;
} cmdline_opts = { } cmdline_opts = {
.config_file = "osmo-sysmon.cfg", .config_file = "osmo-sysmon.cfg",
.daemonize = false, .daemonize = false,
.oneshot = false,
}; };
static void handle_options(int argc, char **argv) static void handle_options(int argc, char **argv)
@ -141,6 +144,7 @@ static void handle_options(int argc, char **argv)
int option_index = 0, c; int option_index = 0, c;
static struct option long_options[] = { static struct option long_options[] = {
{"help", 0, 0, 'h'}, {"help", 0, 0, 'h'},
{"oneshot", 0, 0, 'o'},
{"config-file", 1, 0, 'c'}, {"config-file", 1, 0, 'c'},
{"debug", 1, 0, 'd'}, {"debug", 1, 0, 'd'},
{"daemonize", 0, 0, 'D'}, {"daemonize", 0, 0, 'D'},
@ -151,7 +155,7 @@ static void handle_options(int argc, char **argv)
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
c = getopt_long(argc, argv, "hc:d:Dse:TV", c = getopt_long(argc, argv, "hoc:d:Dse:TV",
long_options, &option_index); long_options, &option_index);
if (c == -1) if (c == -1)
break; break;
@ -161,6 +165,9 @@ static void handle_options(int argc, char **argv)
print_usage(); print_usage();
print_help(); print_help();
exit(0); exit(0);
case 'o':
cmdline_opts.oneshot = true;
break;
case 'c': case 'c':
cmdline_opts.config_file = optarg; cmdline_opts.config_file = optarg;
break; break;
@ -212,6 +219,9 @@ static void print_nodes(__attribute__((unused)) void *data)
display_update(root); display_update(root);
value_node_del(root); value_node_del(root);
if (cmdline_opts.oneshot)
exit(0);
osmo_timer_schedule(&print_timer, 1, 0); osmo_timer_schedule(&print_timer, 1, 0);
} }