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/*
Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "xlator.h"
#include "defaults.h"
#include "meta-mem-types.h"
#include "meta.h"
#include "strfd.h"
#include "globals.h"
#include "lkowner.h"
static int
frames_file_fill (xlator_t *this, inode_t *file, strfd_t *strfd)
{
struct call_pool *pool = NULL;
call_stack_t *stack = NULL;
call_frame_t *frame = NULL;
int i = 0;
int j = 1;
if (!this || !file || !strfd)
return -1;
pool = this->ctx->pool;
LOCK (&pool->lock);
{
strprintf (strfd, "{ \n\t\"Stack\": [\n");
list_for_each_entry (stack, &pool->all_frames, all_frames) {
strprintf (strfd, "\t {\n");
strprintf (strfd, "\t\t\"Number\": %d,\n", ++i);
strprintf (strfd, "\t\t\"Frame\": [\n");
j = 1;
for (frame = &stack->frames; frame;
frame = frame->next) {
strprintf (strfd, "\t\t {\n");
strprintf (strfd, "\t\t\t\"Number\": %d,\n",
j++);
strprintf (strfd,
"\t\t\t\"Xlator\": \"%s\",\n",
frame->this->name);
if (frame->begin.tv_sec)
strprintf (strfd,
"\t\t\t\"Creation_time\": %d.%d,\n",
(int)frame->begin.tv_sec,
(int)frame->begin.tv_usec);
strprintf (strfd, " \t\t\t\"Refcount\": %d,\n",
frame->ref_count);
if (frame->parent)
strprintf (strfd, "\t\t\t\"Parent\": \"%s\",\n",
frame->parent->this->name);
if (frame->wind_from)
strprintf (strfd, "\t\t\t\"Wind_from\": \"%s\",\n",
frame->wind_from);
if (frame->wind_to)
strprintf (strfd, "\t\t\t\"Wind_to\": \"%s\",\n",
frame->wind_to);
if (frame->unwind_from)
strprintf (strfd, "\t\t\t\"Unwind_from\": \"%s\",\n",
frame->unwind_from);
if (frame->unwind_to)
strprintf (strfd, "\t\t\t\"Unwind_to\": \"%s\",\n",
frame->unwind_to);
strprintf (strfd, "\t\t\t\"Complete\": %d\n",
frame->complete);
if (frame->next == NULL)
strprintf (strfd, "\t\t }\n");
else
strprintf (strfd, "\t\t },\n");
}
strprintf (strfd, "\t\t],\n");
strprintf (strfd, "\t\t\"Unique\": %"PRId64",\n",
stack->unique);
strprintf (strfd, "\t\t\"Type\": \"%s\",\n",
gf_fop_list[stack->op]);
strprintf (strfd, "\t\t\"UID\": %d,\n",
stack->uid);
strprintf (strfd, "\t\t\"GID\": %d,\n",
stack->gid);
strprintf (strfd, "\t\t\"LK_owner\": \"%s\"\n",
lkowner_utoa (&stack->lk_owner));
if (i == (int)pool->cnt)
strprintf (strfd, "\t }\n");
else
strprintf (strfd, "\t },\n");
}
strprintf (strfd, "\t],\n");
strprintf (strfd, "\t\"Call_Count\": %d\n",
(int)pool->cnt);
strprintf (strfd, "}");
}
UNLOCK (&pool->lock);
return strfd->size;
}
static struct meta_ops frames_file_ops = {
.file_fill = frames_file_fill,
};
int
meta_frames_file_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
dict_t *xdata)
{
meta_ops_set (loc->inode, this, &frames_file_ops);
return 0;
}
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