bud_error_t bud_config_reload(bud_config_t* config) {
bud_error_t err;
bud_config_t* loaded;
bud_config_t restore;
loaded = bud_config_load(config->path, config->inlined, &err);
if (!bud_is_ok(err))
return err;
memset(&restore, 0, sizeof(restore));
bud_config_copy(&restore, config);
bud_config_copy(config, loaded);
/* Initialize config with new params */
err = bud_config_init(config);
/* Restore everything on failure */
if (!bud_is_ok(err)) {
bud_config_copy(config, &restore);
bud_config_free(loaded);
return err;
}
free(loaded);
bud_config_destroy(&restore);
return bud_ok();
}
bud_config_t* bud_config_cli_load(uv_loop_t* loop,
int argc,
char** argv,
bud_error_t* err) {
int c;
int r;
int index;
int is_daemon;
int is_worker;
size_t path_len;
bud_config_t* config;
struct option long_options[] = {
{ "version", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
#ifndef _WIN32
{ "daemonize", 0, NULL, 'd' },
#endif /* !_WIN32 */
{ "worker", 0, NULL, 1000 },
{ "default-config", 0, NULL, 1001 },
{ NULL, 0, NULL, 0 }
};
*err = bud_ok();
config = NULL;
is_daemon = 0;
is_worker = 0;
do {
index = 0;
c = getopt_long(argc, argv, "vc:d", long_options, &index);
switch (c) {
case 'v':
bud_print_version();
break;
case 'c':
config = bud_config_load(loop,optarg, err);
if (config == NULL) {
ASSERT(!bud_is_ok(*err), "Config load failed without error");
c = -1;
break;
}
if (is_daemon)
config->is_daemon = 1;
if (is_worker)
config->is_worker = 1;
break;
#ifndef _WIN32
case 'd':
is_daemon = 1;
if (config != NULL)
config->is_daemon = 1;
#endif /* !_WIN32 */
break;
case 1000:
is_worker = 1;
if (config != NULL)
config->is_worker = 1;
break;
case 1001:
bud_config_print_default();
c = -1;
break;
default:
if (config == NULL)
bud_print_help(argc, argv);
c = -1;
break;
}
} while (c != -1);
if (config != NULL) {
/* CLI options */
config->argc = argc;
config->argv = argv;
/* Get executable path */
path_len = sizeof(config->exepath);
r = uv_exepath(config->exepath, &path_len);
ASSERT(path_len < sizeof(config->exepath), "Exepath OOB");
config->exepath[path_len] = 0;
if (r != 0) {
bud_config_free(config);
config = NULL;
*err = bud_error_num(kBudErrExePath, r);
}
/* Initialize config */
*err = bud_config_init(config);
if (!bud_is_ok(*err)) {
bud_config_free(config);
return NULL;
}
}
return config;
}