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diff --git a/tools/crm_error.c b/tools/crm_error.c
index 01a175103f..9795391fde 100644
--- a/tools/crm_error.c
+++ b/tools/crm_error.c
@@ -1,175 +1,270 @@
/*
* Copyright 2012-2022 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
+#include <crm/msg_xml.h>
#include <crm/common/cmdline_internal.h>
#include <crm/common/output_internal.h>
#include <crm/common/strings_internal.h>
#include <crm/crm.h>
#define SUMMARY "crm_error - display name or description of a Pacemaker error code"
-GError *error = NULL;
-
struct {
gboolean with_name;
gboolean do_list;
enum pcmk_result_type result_type; // How to interpret result codes
} options = {
.result_type = pcmk_result_legacy,
};
static gboolean
result_type_cb(const gchar *option_name, const gchar *optarg, gpointer data,
GError **error)
{
if (pcmk__str_any_of(option_name, "--exit", "-X", NULL)) {
options.result_type = pcmk_result_exitcode;
} else if (pcmk__str_any_of(option_name, "--rc", "-r", NULL)) {
options.result_type = pcmk_result_rc;
}
return TRUE;
}
static GOptionEntry entries[] = {
{ "name", 'n', 0, G_OPTION_ARG_NONE, &options.with_name,
"Show error's name with its description (useful for looking for sources "
"of the error in source code)",
NULL },
{ "list", 'l', 0, G_OPTION_ARG_NONE, &options.do_list,
"Show all known errors (enabled by default if no rc is specified)",
NULL },
{ "exit", 'X', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, result_type_cb,
"Interpret as exit code rather than legacy function return value",
NULL },
{ "rc", 'r', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, result_type_cb,
"Interpret as return code rather than legacy function return value",
NULL },
{ NULL }
};
+PCMK__OUTPUT_ARGS("result-code", "int", "char *", "char *");
+static int
+result_code_none(pcmk__output_t *out, va_list args)
+{
+ return pcmk_rc_no_output;
+}
+
+PCMK__OUTPUT_ARGS("result-code", "int", "char *", "char *");
+static int
+result_code_text(pcmk__output_t *out, va_list args)
+{
+ int code = va_arg(args, int);
+ char *name = va_arg(args, char *);
+ char *desc = va_arg(args, char *);
+
+ static int code_width = 0;
+
+ if (out->is_quiet(out)) {
+ /* If out->is_quiet(), don't print the code. Print name and/or desc in a
+ * compact format for text output, or print nothing at all for none-type
+ * output.
+ */
+ if ((name != NULL) && (desc != NULL)) {
+ pcmk__formatted_printf(out, "%s - %s\n", name, desc);
+
+ } else if ((name != NULL) || (desc != NULL)) {
+ pcmk__formatted_printf(out, "%s\n", ((name != NULL)? name : desc));
+ }
+ return pcmk_rc_ok;
+ }
+
+ /* Get length of longest (most negative) standard Pacemaker return code
+ * This should be longer than all the values of any other type of return
+ * code.
+ */
+ if (code_width == 0) {
+ long long most_negative = pcmk_rc_error - (long long) pcmk__n_rc + 1;
+ code_width = (int) snprintf(NULL, 0, "%lld", most_negative);
+ }
+
+ if ((name != NULL) && (desc != NULL)) {
+ static int name_width = 0;
+
+ if (name_width == 0) {
+ // Get length of longest standard Pacemaker return code name
+ for (int lpc = 0; lpc < pcmk__n_rc; lpc++) {
+ int len = (int) strlen(pcmk_rc_name(pcmk_rc_error - lpc));
+ name_width = QB_MAX(name_width, len);
+ }
+ }
+ return out->info(out, "% *d: %-*s %s", code_width, code, name_width,
+ name, desc);
+ }
+
+ if ((name != NULL) || (desc != NULL)) {
+ return out->info(out, "% *d: %s", code_width, code,
+ ((name != NULL)? name : desc));
+ }
+
+ return out->info(out, "% *d", code_width, code);
+}
+
+PCMK__OUTPUT_ARGS("result-code", "int", "char *", "char *");
+static int
+result_code_xml(pcmk__output_t *out, va_list args)
+{
+ int code = va_arg(args, int);
+ char *name = va_arg(args, char *);
+ char *desc = va_arg(args, char *);
+
+ char *code_str = pcmk__itoa(code);
+ pcmk__output_create_xml_node(out, "result-code",
+ "code", code_str,
+ XML_ATTR_NAME, name,
+ XML_ATTR_DESC, desc,
+ NULL);
+ free(code_str);
+ return pcmk_rc_ok;
+}
+
+static pcmk__supported_format_t formats[] = {
+ PCMK__SUPPORTED_FORMAT_NONE,
+ PCMK__SUPPORTED_FORMAT_TEXT,
+ PCMK__SUPPORTED_FORMAT_XML,
+ { NULL, NULL, NULL }
+};
+
+static pcmk__message_entry_t fmt_functions[] = {
+ { "result-code", "none", result_code_none },
+ { "result-code", "text", result_code_text },
+ { "result-code", "xml", result_code_xml },
+
+ { NULL, NULL, NULL }
+};
+
static GOptionContext *
build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) {
GOptionContext *context = NULL;
- context = pcmk__build_arg_context(args, NULL, group, "[-- <rc> [<rc>...]]");
+ context = pcmk__build_arg_context(args, "text (default), xml", group,
+ "[-- <rc> [<rc>...]]");
pcmk__add_main_args(context, entries);
return context;
}
int
main(int argc, char **argv)
{
crm_exit_t exit_code = CRM_EX_OK;
+ int rc = pcmk_rc_ok;
const char *name = NULL;
const char *desc = NULL;
+ pcmk__output_t *out = NULL;
+
+ GError *error = NULL;
+
GOptionGroup *output_group = NULL;
pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY);
gchar **processed_args = pcmk__cmdline_preproc(argv, NULL);
GOptionContext *context = build_arg_context(args, &output_group);
+ pcmk__register_formats(output_group, formats);
if (!g_option_context_parse_strv(context, &processed_args, &error)) {
exit_code = CRM_EX_USAGE;
goto done;
}
pcmk__cli_init_logging("crm_error", args->verbosity);
- if (args->version) {
- g_strfreev(processed_args);
- pcmk__free_arg_context(context);
- /* FIXME: When crm_error is converted to use formatted output, this can go. */
- pcmk__cli_help('v', CRM_EX_OK);
+ rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv);
+ if (rc != pcmk_rc_ok) {
+ exit_code = CRM_EX_ERROR;
+ g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
+ "Error creating output format %s: %s", args->output_ty,
+ pcmk_rc_str(rc));
+ goto done;
}
if (g_strv_length(processed_args) < 2) {
// If no result codes were specified, list them all
options.do_list = TRUE;
}
+ if (args->version) {
+ out->version(out, false);
+ goto done;
+ }
+
+ pcmk__register_messages(out, fmt_functions);
+
if (options.do_list) {
int start = 0;
int end = 0;
int code = 0;
- /* Get length of longest (most negative) standard Pacemaker return code
- * This should be longer than all the values of any other type of return
- * code.
- */
- long long most_negative = pcmk_rc_error - (long long) pcmk__n_rc + 1;
- int code_width = (int) snprintf(NULL, 0, "%lld", most_negative);
- int name_width = 0;
-
- if (options.with_name) {
- // Get length of longest standard Pacemaker return code name
- for (int lpc = 0; lpc < pcmk__n_rc; lpc++) {
- int len = (int) strlen(pcmk_rc_name(pcmk_rc_error - lpc));
- name_width = QB_MAX(name_width, len);
- }
- }
-
pcmk__result_bounds(options.result_type, &start, &end);
code = start;
while (code <= end) {
if (code == (pcmk_rc_error + 1)) {
/* Values between here and pcmk_rc_ok are reserved for callers,
* so skip them
*/
code = pcmk_rc_ok;
continue;
}
pcmk_result_get_strings(code, options.result_type, &name, &desc);
if ((name == NULL)
|| pcmk__str_any_of(name, "Unknown", "CRM_EX_UNKNOWN", NULL)) {
code++;
continue;
}
-
- if (options.with_name) {
- printf("% *d: %-*s %s\n", code_width, code, name_width, name,
- desc);
- } else {
- printf("% *d: %s\n", code_width, code, desc);
- }
+ out->message(out, "result-code", code,
+ (options.with_name? name : NULL), desc);
code++;
}
} else {
- int code = 0;
+ // For text output, print only "[name -] description" by default
+ if (args->verbosity == 0) {
+ out->quiet = true;
+ }
/* Skip #1 because that's the program name. */
for (int lpc = 1; processed_args[lpc] != NULL; lpc++) {
+ int code = 0;
+
if (pcmk__str_eq(processed_args[lpc], "--", pcmk__str_none)) {
continue;
}
-
pcmk__scan_min_int(processed_args[lpc], &code, INT_MIN);
pcmk_result_get_strings(code, options.result_type, &name, &desc);
- if (options.with_name) {
- printf("%s - %s\n", name, desc);
- } else {
- printf("%s\n", desc);
- }
+ out->message(out, "result-code", code,
+ (options.with_name? name : NULL), desc);
}
}
done:
g_strfreev(processed_args);
pcmk__free_arg_context(context);
- pcmk__output_and_clear_error(error, NULL);
- return exit_code;
+ pcmk__output_and_clear_error(error, out);
+
+ if (out != NULL) {
+ out->finish(out, exit_code, true, NULL);
+ pcmk__output_free(out);
+ }
+ crm_exit(exit_code);
}

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