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version information, usage

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This commit is contained in:
Tobias Hintze 2016-09-09 21:28:26 +02:00
parent f869a22beb
commit efd9eedd51
1 changed files with 32 additions and 16 deletions
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48
src/wtp.c
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@ -151,9 +151,16 @@ static void wtp_add_default_acaddress() {
/* TODO */ /* TODO */
} }
/* Help */ /* usage */
static void wtp_print_usage(void) { static void wtp_print_usage(void) {
/* TODO */ printf("FreeWTP CAPWAP-WTP daemon\n"
"\n"
"Usage: capwap-wtp [OPTION...]\n"
"\n"
" -h show this information\n"
" -V show version information\n"
" -c CONFIG use configuration-file CONFIG\n"
"\n");
} }
static int wtp_parsing_radio_qos_configuration(config_setting_t *elem, const char *section, static int wtp_parsing_radio_qos_configuration(config_setting_t *elem, const char *section,
@ -1319,47 +1326,54 @@ static int wtp_parsing_configuration(config_t* config) {
return 0; return 0;
} }
/* Load configuration */ /* handle command line arguments */
static int wtp_load_configuration(int argc, char **argv) { static void wtp_handle_argv(int argc, char **argv) {
int c; int c;
int result = 0;
config_t config;
ASSERT(argc >= 0); ASSERT(argc >= 0);
ASSERT(argv != NULL); ASSERT(argv != NULL);
/* Parsing command line */ /* Parsing command line */
opterr = 0; opterr = 0;
while ((c = getopt(argc, argv, "hc:")) != -1) { while ((c = getopt(argc, argv, "hc:V")) != -1) {
switch (c) { switch (c) {
case 'h': { case 'h': {
wtp_print_usage(); wtp_print_usage();
return 0; exit(0);
}
case 'V': {
printf("%s\n", VERSION);
exit(0);
} }
case 'c': { case 'c': {
if (strlen(optarg) < sizeof(g_configurationfile)) { if (strlen(optarg) < sizeof(g_configurationfile)) {
strcpy(g_configurationfile, optarg); strcpy(g_configurationfile, optarg);
} else { } else {
log_printf(LOG_ERR, "Invalid -%c argument", optopt); printf("Invalid -%c argument\n", optopt);
return -1; exit(1);
} }
break;
} }
case '?': { case '?': {
if (optopt == 'c') { if (optopt == 'c') {
log_printf(LOG_ERR, "Option -%c requires an argument", optopt); printf("Option -%c requires an argument\n", optopt);
} else { } else {
log_printf(LOG_ERR, "Unknown option character `\\x%x'", optopt); printf("Unknown option character `\\x%x'\n", optopt);
} }
wtp_print_usage(); wtp_print_usage();
return -1; exit(1);
} }
} }
} }
}
/* Load configuration */
static int wtp_load_configuration() {
int result = 0;
config_t config;
/* Init libconfig */ /* Init libconfig */
config_init(&config); config_init(&config);
@ -1427,6 +1441,8 @@ int main(int argc, char** argv) {
int value; int value;
int result = CAPWAP_SUCCESSFUL; int result = CAPWAP_SUCCESSFUL;
wtp_handle_argv(argc, argv);
ev_default_loop(0); ev_default_loop(0);
/* Init logging */ /* Init logging */
@ -1462,7 +1478,7 @@ int main(int argc, char** argv) {
} }
/* Read configuration file */ /* Read configuration file */
value = wtp_load_configuration(argc, argv); value = wtp_load_configuration();
if (value < 0) { if (value < 0) {
result = WTP_ERROR_LOAD_CONFIGURATION; result = WTP_ERROR_LOAD_CONFIGURATION;
log_printf(LOG_EMERG, "Error to load configuration"); log_printf(LOG_EMERG, "Error to load configuration");