/**
* @file
*
* @ingroup rtems_rfs
*
* @brief RTEMS File Systems Trace Support
*/
/*
* COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <rtems/rfs/rtems-rfs-trace.h>
#if RTEMS_RFS_TRACE
static rtems_rfs_trace_mask rtems_rfs_trace_flags;
bool
rtems_rfs_trace (rtems_rfs_trace_mask mask)
{
bool result = false;
if (mask & rtems_rfs_trace_flags)
result = true;
return result;
}
rtems_rfs_trace_mask
rtems_rfs_trace_set_mask (rtems_rfs_trace_mask mask)
{
rtems_rfs_trace_mask state = rtems_rfs_trace_flags;
rtems_rfs_trace_flags |= mask;
return state;
}
rtems_rfs_trace_mask
rtems_rfs_trace_clear_mask (rtems_rfs_trace_mask mask)
{
rtems_rfs_trace_mask state = rtems_rfs_trace_flags;
rtems_rfs_trace_flags &= ~mask;
return state;
}
int
rtems_rfs_trace_shell_command (int argc, char *argv[])
{
const char* table[] =
{
"open",
"close",
"mutex",
"buffer-open",
"buffer-close",
"buffer-sync",
"buffer-release",
"buffer-chains",
"buffer-handle-request",
"buffer-handle-release",
"buffer-setblksize",
"buffers-release",
"block-find",
"block-map-grow",
"block-map-shrink",
"group-open",
"group-close",
"group-bitmaps",
"inode-open",
"inode-close",
"inode-load",
"inode-unload",
"inode-create",
"inode-delete",
"link",
"unlink",
"dir-lookup-ino",
"dir-lookup-ino-check",
"dir-lookup-ino-found",
"dir-add-entry",
"dir-del-entry",
"dir-read",
"dir-empty",
"symlink",
"symlink-read",
"file-open",
"file-close",
"file-io",
"file-set"
};
rtems_rfs_trace_mask set_value = 0;
rtems_rfs_trace_mask clear_value = 0;
bool set = true;
int arg;
int t;
for (arg = 1; arg < argc; arg++)
{
if (argv[arg][0] == '-')
{
switch (argv[arg][1])
{
case 'h':
printf ("usage: %s [-hl] [set/clear] [flags]\n", argv[0]);
return 0;
case 'l':
printf ("%s: valid flags to set or clear are:\n", argv[0]);
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
printf (" %s\n", table[t]);
return 0;
default:
printf ("error: unknown option\n");
return 1;
}
}
else
{
if (strcmp (argv[arg], "set") == 0)
set = true;
if (strcmp (argv[arg], "clear") == 0)
set = false;
else if (strcmp (argv[arg], "all") == 0)
{
if (set)
set_value = RTEMS_RFS_TRACE_ALL;
else
clear_value = RTEMS_RFS_TRACE_ALL;
}
else
{
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
{
if (strcmp (argv[arg], table[t]) == 0)
{
if (set)
set_value = 1ULL << t;
else
clear_value = 1ULL << t;
break;
}
}
}
rtems_rfs_trace_flags |= set_value;
rtems_rfs_trace_flags &= ~clear_value;
}
}
return 0;
}
#endif