static void bad_cla(const char* context, const char* cla, const char* msg)
{
ci_log("ERROR: bad %s option: %s", context, cla);
if( msg ) ci_log("ERROR: %s", msg);
ci_app_usage(0);
exit(-1); /* we can't guarantee that the user's "usage" function does this */
}
int main(int argc, char* argv[])
{
stack_ni_fn_t* do_stack_ofe = NULL;
ci_app_usage = usage;
cfg_lock = 0; /* don't lock when attaching */
ci_app_getopt("info | stats ... | command ...",
&argc, argv, cfg_opts, N_CFG_OPTS);
--argc; ++argv;
cfg_stack_id = (ci_uint32)(-1);
if( cfg_stack_name != NULL ) {
char *str;
cfg_stack_id = strtoul(cfg_stack_name, &str, 0);
if( str[0] != '\0' )
cfg_stack_id = (ci_uint32)(-1);
}
if( argc == 0 ) {
do_stack_ofe = do_ofe_info;
}
else if ( strcmp(argv[0], "info" ) == 0 ) {
do_stack_ofe = do_ofe_info;
if( argc != 1 )
ci_app_usage("Do not understand parameters to the \"info\" command");
}
else if( strcmp(argv[0], "stats" ) == 0 ) {
do_stack_ofe = do_ofe_stats;
cfg_argv = argv + 1;
cfg_argc = argc - 1;
}
else if( strcmp(argv[0], "command") == 0 ||
strcmp(argv[0], "cmd") == 0 ) {
do_stack_ofe = do_ofe_command;
cfg_argv = argv + 1;
cfg_argc = argc - 1;
}
else
ci_app_usage("info | stats ... | command ...");
CI_TRY(libstack_init(NULL));
list_all_stacks2(stackfilter_match_name, do_stack_ofe, NULL, NULL);
return 0;
}
static int parse_cfg_opt(int argc, char** argv, const char* context)
{
const ci_cfg_desc* a;
const char* val = NULL;
int result = 1;
/* is it "-" ? */
if( argv[0][1] == 0 ) bad_cla(context, argv[0], "- is not allowed");
/* find the config descriptor */
a = 0;
if( cfg_opts ) a = find_cfg_desc(argv[0], cfg_opts, n_cfg_opts, &val);
if( (!a) && ci_app_standard_opts) {
a = find_cfg_desc(argv[0], std_opts, N_STD_OPTS, &val);
}
if( !a ) bad_cla(context, argv[0], "unknown option");
/* the option value (if required) may be part of this arg or the next */
if( !val || *val == 0 ) {
if( a->type == CI_CFG_FLAG || a->type == CI_CFG_USAGE || argc == 1 ) {
val = 0;
} else {
val = argv[1];
result = 2;
}
}
switch( a->type ) {
case CI_CFG_FLAG:
if( val ) {
if( sscanf(val, "%d", (int*) a->value) != 1 )
bad_cla(context, argv[0], "expected integer or nothing");
}
else
++(*(int*) a->value);
break;
case CI_CFG_INT:
if( !val || sscanf(val, "%i", (int*) a->value) != 1 )
bad_cla(context, argv[0], "expected integer");
break;
case CI_CFG_UINT:
if( !val || sscanf(val, "%i", (int*) a->value) != 1 )
bad_cla(context, argv[0], "expected unsigned integer");
break;
case CI_CFG_INT64:
if( !val || sscanf(val, "%lli", (long long int*) a->value) != 1 )
bad_cla(context, argv[0], "expected 64bit integer");
break;
case CI_CFG_UINT64:
if( !val || sscanf(val, "%lli", (long long int*) a->value) != 1 )
bad_cla(context, argv[0], "expected unsigned 64bit integer");
break;
case CI_CFG_STR:
*(const char**) a->value = val ? val : "";
break;
case CI_CFG_USAGE:
ci_app_usage(0);
break;
case CI_CFG_FN:
ci_assert(a->fn);
a->fn(val, a);
break;
case CI_CFG_IRANGE:
{
int *v;
v = (int*) a->value;
if( sscanf(val, " %i - %i", v, v + 1) != 2 ) {
if( sscanf(val, " %i", v) == 1 )
v[1] = v[0];
else
bad_cla(context, argv[0], "expected integer or range");
}
}
break;
default:
ci_log("ci_app: unknown config option type %u", a->type);
break;
}
return result;
}
