+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2007 Mathieu Desnoyers
- *
- * Complete rewrite from the original version made by XangXiu Yang.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License Version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <glib.h>
-
-#include <ltt/event.h>
-#include <ltt/ltt-types.h>
-#include <ltt/ltt-private.h>
-#include <ltt/marker.h>
-#include <ltt/marker-field.h>
-
-/*****************************************************************************
- *Function name
- * ltt_event_position_get : get the event position data
- *Input params
- * e : an instance of an event type
- * ep : a pointer to event's position structure
- * tf : tracefile pointer
- * block : current block
- * offset : current offset
- * tsc : current tsc
- ****************************************************************************/
-void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf,
- guint *block, guint *offset, guint64 *tsc)
-{
- *tf = ep->tracefile;
- *block = ep->block;
- *offset = ep->offset;
- *tsc = ep->tsc;
-}
-
-
-void ltt_event_position_set(LttEventPosition *ep, LttTracefile *tf,
- guint block, guint offset, guint64 tsc)
-{
- ep->tracefile = tf;
- ep->block = block;
- ep->offset = offset;
- ep->tsc = tsc;
-}
-
-
-/*****************************************************************************
- *Function name
- * ltt_event_position : get the event's position
- *Input params
- * e : an instance of an event type
- * ep : a pointer to event's position structure
- ****************************************************************************/
-
-void ltt_event_position(const LttEvent *e, LttEventPosition *ep)
-{
- ep->tracefile = e->tracefile;
- ep->block = e->block;
- ep->offset = e->offset;
- ep->tsc = e->tsc;
-}
-
-LttEventPosition * ltt_event_position_new()
-{
- return g_new(LttEventPosition, 1);
-}
-
-
-/*****************************************************************************
- * Function name
- * ltt_event_position_compare : compare two positions
- * A NULL value is infinite.
- * Input params
- * ep1 : a pointer to event's position structure
- * ep2 : a pointer to event's position structure
- * Return
- * -1 is ep1 < ep2
- * 1 if ep1 > ep2
- * 0 if ep1 == ep2
- ****************************************************************************/
-
-
-gint ltt_event_position_compare(const LttEventPosition *ep1,
- const LttEventPosition *ep2)
-{
- if(ep1 == NULL && ep2 == NULL)
- return 0;
- if(ep1 != NULL && ep2 == NULL)
- return -1;
- if(ep1 == NULL && ep2 != NULL)
- return 1;
-
- if(ep1->tracefile != ep2->tracefile)
- g_error("ltt_event_position_compare on different tracefiles makes no sense");
-
- if(ep1->block < ep2->block)
- return -1;
- if(ep1->block > ep2->block)
- return 1;
- if(ep1->offset < ep2->offset)
- return -1;
- if(ep1->offset > ep2->offset)
- return 1;
- return 0;
-}
-
-/*****************************************************************************
- * Function name
- * ltt_event_position_copy : copy position
- * Input params
- * src : a pointer to event's position structure source
- * dest : a pointer to event's position structure dest
- * Return
- * void
- ****************************************************************************/
-void ltt_event_position_copy(LttEventPosition *dest,
- const LttEventPosition *src)
-{
- if(src == NULL)
- dest = NULL;
- else
- *dest = *src;
-}
-
-
-
-LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep)
-{
- return ep->tracefile;
-}
-
-/*****************************************************************************
- * These functions extract data from an event after architecture specific
- * conversions
- ****************************************************************************/
-guint32 ltt_event_get_unsigned(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- reverse_byte_order = LTT_GET_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- switch(size) {
- case 1:
- {
- guint8 x = *(guint8 *)(e->data + offset);
- return (guint32) x;
- }
- break;
- case 2:
- return (guint32)ltt_get_uint16(reverse_byte_order, e->data + offset);
- break;
- case 4:
- return (guint32)ltt_get_uint32(reverse_byte_order, e->data + offset);
- break;
- case 8:
- default:
- g_critical("ltt_event_get_unsigned : field size %i unknown", size);
- return 0;
- break;
- }
-}
-
-gint32 ltt_event_get_int(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- reverse_byte_order = LTT_GET_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- switch(size) {
- case 1:
- {
- gint8 x = *(gint8 *)(e->data + offset);
- return (gint32) x;
- }
- break;
- case 2:
- return (gint32)ltt_get_int16(reverse_byte_order, e->data + offset);
- break;
- case 4:
- return (gint32)ltt_get_int32(reverse_byte_order, e->data + offset);
- break;
- case 8:
- default:
- g_critical("ltt_event_get_int : field size %i unknown", size);
- return 0;
- break;
- }
-}
-
-guint64 ltt_event_get_long_unsigned(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- reverse_byte_order = LTT_GET_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- switch(size) {
- case 1:
- {
- guint8 x = *(guint8 *)(e->data + offset);
- return (guint64) x;
- }
- break;
- case 2:
- return (guint64)ltt_get_uint16(reverse_byte_order, e->data + offset);
- break;
- case 4:
- return (guint64)ltt_get_uint32(reverse_byte_order, e->data + offset);
- break;
- case 8:
- return ltt_get_uint64(reverse_byte_order, e->data + offset);
- break;
- default:
- g_critical("ltt_event_get_long_unsigned : field size %i unknown", size);
- return 0;
- break;
- }
-}
-
-gint64 ltt_event_get_long_int(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- reverse_byte_order = LTT_GET_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- switch(size) {
- case 1:
- {
- gint8 x = *(gint8 *)(e->data + offset);
- return (gint64) x;
- }
- break;
- case 2:
- return (gint64)ltt_get_int16(reverse_byte_order, e->data + offset);
- break;
- case 4:
- return (gint64)ltt_get_int32(reverse_byte_order, e->data + offset);
- break;
- case 8:
- return ltt_get_int64(reverse_byte_order, e->data + offset);
- break;
- default:
- g_critical("ltt_event_get_long_int : field size %i unknown", size);
- return 0;
- break;
- }
-}
-
-#if 0
-float ltt_event_get_float(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- g_assert(LTT_HAS_FLOAT(e->tracefile));
- reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- g_assert(f->field_type.type_class == LTT_FLOAT && size == 4);
-
- if(reverse_byte_order == 0) return *(float *)(e->data + offset);
- else{
- void *ptr = e->data + offset;
- guint32 value = bswap_32(*(guint32*)ptr);
- return *(float*)&value;
- }
-}
-
-double ltt_event_get_double(LttEvent *e, struct marker_field *f)
-{
- gboolean reverse_byte_order;
- struct LttField *eventfield;
- int offset, size;
-
- if(unlikely(f->attributes & LTT_ATTRIBUTE_NETWORK_BYTE_ORDER)) {
- reverse_byte_order = (g_ntohs(0x1) != 0x1);
- } else {
- g_assert(LTT_HAS_FLOAT(e->tracefile));
- reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile);
- }
-
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- size = eventfield->size;
- if(size == 4)
- return ltt_event_get_float(e, f);
-
- g_assert(f->field_type.type_class == LTT_FLOAT && size == 8);
-
- if(reverse_byte_order == 0) return *(double *)(e->data + offset);
- else {
- void *ptr = e->data + offset;
- guint64 value = bswap_64(*(guint64*)ptr);
- return *(double*)&value;
- }
-}
-#endif
-
-/*****************************************************************************
- * The string obtained is only valid until the next read from
- * the same tracefile. We reference directly the buffers.
- ****************************************************************************/
-gchar *ltt_event_get_string(LttEvent *e, struct marker_field *f)
-{
- struct LttField *eventfield;
- int offset;
-
- g_assert(f->type == LTT_TYPE_STRING);
-
- //caused memory leaks
- //return (gchar*)g_strdup((gchar*)(e->data + f->offset));
- eventfield = ltt_event_field(e, marker_field_get_index(f));
- offset = eventfield->offset;
- return (gchar*)(e->data + offset);
-}
-
-
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