int orte_show_help(const char *filename, const char *topic,
bool want_error_header, ...)
{
int rc = ORTE_SUCCESS;
va_list arglist;
char *output;
if (orte_execute_quiet) {
return ORTE_SUCCESS;
}
va_start(arglist, want_error_header);
output = opal_show_help_vstring(filename, topic, want_error_header,
arglist);
va_end(arglist);
/* If nothing came back, there's nothing to do */
if (NULL == output) {
return ORTE_SUCCESS;
}
rc = orte_show_help_norender(filename, topic, want_error_header, output);
free(output);
return rc;
}
static void command_help(orcm_notifier_base_severity_t severity, int errcode,
const char *filename,
const char *topic, va_list ap)
{
char *output = opal_show_help_vstring(filename, topic, false, ap);
if (NULL != output) {
send_command(severity, errcode, output);
free(output);
}
}
static void myhelplog(orte_notifier_base_severity_t severity, int errcode,
const char *filename, const char *topic, va_list ap)
{
char *output;
output = opal_show_help_vstring(filename, topic, false, ap);
if (NULL != output) {
if (ORTE_PROC_IS_HNP) {
/* output it locally */
orte_show_help("opal_sos_reporter.txt", "notifier message", false, output);
} else {
send_command(severity, errcode, output);
}
free(output);
}
}
/*
* Internal function to write a rendered show_help message back up the
* pipe to the waiting parent.
*/
static int write_help_msg(int fd, orte_odls_pipe_err_msg_t *msg, const char *file,
const char *topic, va_list ap)
{
int ret;
char *str;
if (NULL == file || NULL == topic) {
return OPAL_ERR_BAD_PARAM;
}
str = opal_show_help_vstring(file, topic, true, ap);
msg->file_str_len = (int) strlen(file);
if (msg->file_str_len > ORTE_ODLS_MAX_FILE_LEN) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
return ORTE_ERR_BAD_PARAM;
}
msg->topic_str_len = (int) strlen(topic);
if (msg->topic_str_len > ORTE_ODLS_MAX_TOPIC_LEN) {
ORTE_ERROR_LOG(ORTE_ERR_BAD_PARAM);
return ORTE_ERR_BAD_PARAM;
}
msg->msg_str_len = (int) strlen(str);
/* Only keep writing if each write() succeeds */
if (OPAL_SUCCESS != (ret = opal_fd_write(fd, sizeof(*msg), msg))) {
goto out;
}
if (msg->file_str_len > 0 &&
OPAL_SUCCESS != (ret = opal_fd_write(fd, msg->file_str_len, file))) {
goto out;
}
if (msg->topic_str_len > 0 &&
OPAL_SUCCESS != (ret = opal_fd_write(fd, msg->topic_str_len, topic))) {
goto out;
}
if (msg->msg_str_len > 0 &&
OPAL_SUCCESS != (ret = opal_fd_write(fd, msg->msg_str_len, str))) {
goto out;
}
out:
free(str);
return ret;
}
int orte_show_help(const char *filename, const char *topic,
bool want_error_header, ...)
{
va_list arglist;
char *output;
va_start(arglist, want_error_header);
output = opal_show_help_vstring(filename, topic, want_error_header,
arglist);
va_end(arglist);
/* If nothing came back, there's nothing to do */
if (NULL == output) {
return ORTE_SUCCESS;
}
opal_output(0, output);
return ORTE_SUCCESS;
}
int orte_show_help(const char *filename, const char *topic,
bool want_error_header, ...)
{
int rc = ORTE_SUCCESS;
va_list arglist;
char *output;
va_start(arglist, want_error_header);
output = opal_show_help_vstring(filename, topic, want_error_header,
arglist);
va_end(arglist);
/* If nothing came back, there's nothing to do */
if (NULL == output) {
return ORTE_SUCCESS;
}
if (!ready) {
/* if we are finalizing, then we have no way to process
* this through the orte_show_help system - just drop it to
* stderr; that's at least better than not showing it.
*
* If we are not finalizing, then this is probably a show_help
* stemming from either a cmd-line request to display the usage
* message, or a show_help related to a user error. In either case,
* we can't do anything but just print to stderr.
*/
fprintf(stderr, "%s", output);
goto CLEANUP;
}
/* if we are the HNP, or the RML has not yet been setup,
* or we don't yet know our HNP, then all we can do
* is process this locally
*/
if (orte_process_info.hnp ||
NULL == orte_rml.send_buffer ||
ORTE_PROC_MY_HNP->vpid == ORTE_VPID_INVALID) {
rc = show_help(filename, topic, output, ORTE_PROC_MY_NAME);
}
/* otherwise, we relay the output message to
* the HNP for processing
*/
else {
opal_buffer_t buf;
static bool am_inside = false;
/* JMS Note that we *may* have a recursion situation here where
the RML could call show_help. Need to think about this
properly, but put a safeguard in here for sure for the time
being. */
if (am_inside) {
rc = show_help(filename, topic, output, ORTE_PROC_MY_NAME);
} else {
am_inside = true;
/* build the message to the HNP */
OBJ_CONSTRUCT(&buf, opal_buffer_t);
/* pack the filename of the show_help text file */
opal_dss.pack(&buf, &filename, 1, OPAL_STRING);
/* pack the topic tag */
opal_dss.pack(&buf, &topic, 1, OPAL_STRING);
/* pack the resulting string */
opal_dss.pack(&buf, &output, 1, OPAL_STRING);
/* send it to the HNP */
if (0 > (rc = orte_rml.send_buffer(ORTE_PROC_MY_HNP, &buf, ORTE_RML_TAG_SHOW_HELP, 0))) {
ORTE_ERROR_LOG(rc);
}
OBJ_DESTRUCT(&buf);
am_inside = false;
}
}
CLEANUP:
free(output);
return rc;
}