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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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155 lines
3.5 KiB
C
155 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gsttrace.c: Tracing functions (depracated)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include "gst_private.h"
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#include "gstlog.h"
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#include "gsttrace.h"
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static
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#ifdef __inline__
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__inline__
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#endif
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void
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read_tsc (gint64 * dst)
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{
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#ifdef HAVE_RDTSC
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guint64 tsc;
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__asm__ __volatile__ ("rdtsc":"=A" (tsc));
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*dst = tsc;
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#else
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*dst = 0;
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#endif
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}
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void
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gst_trace_read_tsc (gint64 * dst)
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{
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read_tsc (dst);
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}
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GstTrace *_gst_trace_default = NULL;
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gint _gst_trace_on = 1;
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GstTrace *
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gst_trace_new (gchar * filename, gint size)
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{
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GstTrace *trace = g_malloc (sizeof (GstTrace));
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g_return_val_if_fail (trace != NULL, NULL);
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trace->filename = g_strdup (filename);
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g_print ("opening '%s'\n", trace->filename);
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trace->fd = open (trace->filename, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
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perror ("opening trace file");
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g_return_val_if_fail (trace->fd > 0, NULL);
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trace->buf = g_malloc (size * sizeof (GstTraceEntry));
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g_return_val_if_fail (trace->buf != NULL, NULL);
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trace->bufsize = size;
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trace->bufoffset = 0;
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return trace;
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}
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void
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gst_trace_destroy (GstTrace * trace)
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{
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g_return_if_fail (trace != NULL);
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g_return_if_fail (trace->buf != NULL);
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if (gst_trace_get_remaining (trace) > 0)
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gst_trace_flush (trace);
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close (trace->fd);
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g_free (trace->buf);
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g_free (trace);
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}
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void
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gst_trace_flush (GstTrace * trace)
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{
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if (!trace) {
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trace = _gst_trace_default;
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if (!trace)
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return;
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}
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write (trace->fd, trace->buf, trace->bufoffset * sizeof (GstTraceEntry));
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trace->bufoffset = 0;
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}
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void
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gst_trace_text_flush (GstTrace * trace)
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{
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int i;
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const int strsize = 20 + 1 + 10 + 1 + 10 + 1 + 112 + 1 + 1;
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char str[strsize];
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if (!trace) {
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trace = _gst_trace_default;
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if (!trace)
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return;
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}
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for (i = 0; i < trace->bufoffset; i++) {
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snprintf (str, strsize, "%20lld %10d %10d %s\n",
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trace->buf[i].timestamp,
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trace->buf[i].sequence, trace->buf[i].data, trace->buf[i].message);
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write (trace->fd, str, strlen (str));
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}
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trace->bufoffset = 0;
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}
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void
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gst_trace_set_default (GstTrace * trace)
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{
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g_return_if_fail (trace != NULL);
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_gst_trace_default = trace;
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}
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void
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_gst_trace_add_entry (GstTrace * trace, guint32 seq, guint32 data, gchar * msg)
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{
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GstTraceEntry *entry;
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if (!trace) {
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trace = _gst_trace_default;
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if (!trace)
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return;
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}
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entry = trace->buf + trace->bufoffset;
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read_tsc (&(entry->timestamp));
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entry->sequence = seq;
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entry->data = data;
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strncpy (entry->message, msg, 112);
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trace->bufoffset++;
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gst_trace_flush (trace);
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}
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