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/*
* Copyright (c) 2008-2009 Aconex. All Rights Reserved.
* Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <ctype.h>
#include "hypnotoad.h"
static char *text; /* filled in by iterator callback routine */
static char texts[MAX_M_TEXT_LEN]; /* static callback buffer */
/*
* Replace backslashes in the help string returned from Pdh APIs.
* Everything done "in-place" so no change to size of the string.
*/
static char *
windows_fmt(char *text)
{
char *p;
int n;
for (p = text, n = 0; p && *p != '\0'; p++, n++) {
if (!isprint((int)*p)) /* toss any dodgey characters */
*p = '?';
else if (*p == '\r') /* remove Windows line ending */
*p = '\n';
if (n < 70 || !isspace((int)*p)) /* very simple line wrapping */
continue;
*p = '\n';
n = 0;
}
return text;
}
static void
windows_helptext_metric(pdh_metric_t *mp, PDH_COUNTER_INFO_A *infop)
{
text = infop->szExplainText;
}
static void
windows_helptext_callback(pdh_metric_t *pmp, LPSTR pat, pdh_value_t *pvp)
{
windows_inform_metric(pmp, pat, pvp, TRUE, windows_helptext_metric);
}
int
windows_help(int ident, int type, char **buf, pmdaExt *pmda)
{
pmID pmid = (pmID)ident;
int i;
if ((type & PM_TEXT_PMID) != PM_TEXT_PMID)
return pmdaText(ident, type, buf, pmda);
for (i = 0; i < metricdesc_sz; i++)
if (pmid == metricdesc[i].desc.pmid)
break;
if (i == metricdesc_sz)
return PM_ERR_PMID;
if (type & PM_TEXT_ONELINE) {
if (metricdesc[i].pat[0] == '\0')
return pmdaText(ident, type, buf, pmda);
*buf = windows_fmt(strncpy(texts, &metricdesc[i].pat[0], sizeof(texts)));
} else {
text = NULL;
windows_visit_metric(&metricdesc[i], windows_helptext_callback);
if (!text)
return pmdaText(ident, type, buf, pmda);
*buf = windows_fmt(strncpy(texts, text, sizeof(texts)));
}
return 0;
}
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