+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2003-2004 Xiangxiu Yang
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License Version 2 as
+ * published by the Free Software Foundation;
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; 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 <stdlib.h>
#include <string.h>
#include <stdio.h>
+#include <glib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+
-#include <ltt/LTTTypes.h>
#include "parser.h"
+#include <ltt/ltt.h>
+#include "ltt-private.h"
#include <ltt/facility.h>
+#ifndef g_open
+#define g_open open
+#endif
+
+#define g_close close
+
/* search for the (named) type in the table, if it does not exist
create a new one */
LttType * lookup_named_type(LttFacility *fac, type_descriptor * td);
LttField * fld);
/* generate the facility according to the events belongin to it */
-void generateFacility(LttFacility * f, facility * fac,
+void generateFacility(LttFacility * f, facility_t * fac,
LttChecksum checksum);
/* functions to release the memory occupied by a facility */
void freeFacility(LttFacility * facility);
void freeEventtype(LttEventType * evType);
-void freeAllNamedTypes(table * named_types);
-void freeAllUnamedTypes(sequence * unnamed_types);
-void freeAllFields(sequence * all_fields);
-void freeLttType(LttType * type);
+void freeLttType(LttType ** type);
void freeLttField(LttField * fld);
+void freeLttNamedType(LttType * type);
/*****************************************************************************
* pathname : the path name of the facility
****************************************************************************/
-void ltt_facility_open(LttTrace * t, char * pathname)
+void ltt_facility_open(LttTrace * t, gchar * pathname)
{
- char *token;
+ gchar *token;
parse_file in;
- char buffer[BUFFER_SIZE];
- facility * fac;
+ gsize length;
+ facility_t * fac;
LttFacility * f;
LttChecksum checksum;
+ GError * error = NULL;
+ gchar buffer[BUFFER_SIZE];
- in.buffer = buffer;
+ in.buffer = &(buffer[0]);
in.lineno = 0;
in.error = error_callback;
in.name = pathname;
- in.fp = fopen(in.name, "r");
- if(!in.fp ) in.error(&in,"cannot open input file");
+ in.fd = g_open(in.name, O_RDONLY, 0);
+ if(in.fd < 0 ) in.error(&in,"cannot open input file");
+
+ in.channel = g_io_channel_unix_new(in.fd);
+ in.pos = 0;
while(1){
token = getToken(&in);
if(in.type == ENDFILE) break;
- if(strcmp(token, "<")) in.error(&in,"not a facility file");
+ if(g_ascii_strcasecmp(token, "<")) in.error(&in,"not a facility file");
token = getName(&in);
-
- if(strcmp("facility",token) == 0) {
- fac = g_new(facility, 1);
+
+ if(g_ascii_strcasecmp("facility",token) == 0) {
+ fac = g_new(facility_t, 1);
fac->name = NULL;
fac->description = NULL;
sequence_init(&(fac->events));
parseFacility(&in, fac);
//check if any namedType is not defined
- checkNamedTypesImplemented(&fac->named_types);
+ g_assert(checkNamedTypesImplemented(&fac->named_types) == 0);
- generateChecksum(fac->name, &checksum, &fac->events);
+ g_assert(generateChecksum(fac->name, &checksum, &fac->events) == 0);
f = g_new(LttFacility,1);
+ f->base_id = 0;
generateFacility(f, fac, checksum);
t->facility_number++;
g_ptr_array_add(t->facilities,f);
- free(fac->name);
- free(fac->description);
+ g_free(fac->name);
+ g_free(fac->description);
freeEvents(&fac->events);
sequence_dispose(&fac->events);
freeNamedType(&fac->named_types);
table_dispose(&fac->named_types);
freeTypes(&fac->unnamed_types);
sequence_dispose(&fac->unnamed_types);
- free(fac);
+ g_free(fac);
}
else in.error(&in,"facility token was expected");
}
- fclose(in.fp);
+
+ g_io_channel_shutdown(in.channel, FALSE, &error); /* No flush */
+ if(error != NULL) {
+ g_warning("Can not close file: \n%s\n", error->message);
+ g_error_free(error);
+ }
+
+ g_close(in.fd);
}
* checksum : checksum of the facility
****************************************************************************/
-void generateFacility(LttFacility *f, facility *fac,LttChecksum checksum)
+void generateFacility(LttFacility *f, facility_t *fac,LttChecksum checksum)
{
char * facilityName = fac->name;
sequence * events = &fac->events;
//initialize inner structures
f->events = g_new(LttEventType*,f->event_number);
- sequence_init(&(f->all_fields));
- sequence_init(&(f->all_unnamed_types));
- table_init(&(f->all_named_types));
+ f->named_types_number = fac->named_types.keys.position;
+ f->named_types = g_new(LttType*, fac->named_types.keys.position);
+ for(i=0;i<fac->named_types.keys.position;i++) f->named_types[i] = NULL;
//for each event, construct field tree and type graph
for(i=0;i<events->position;i++){
evType = g_new(LttEventType,1);
f->events[i] = evType;
- evType->name = g_strdup(((event*)(events->array[i]))->name);
- evType->description=g_strdup(((event*)(events->array[i]))->description);
+ evType->name = g_strdup(((event_t*)(events->array[i]))->name);
+ evType->description=g_strdup(((event_t*)(events->array[i]))->description);
field = g_new(LttField, 1);
- sequence_push(&(f->all_fields), field);
evType->root_field = field;
evType->facility = f;
evType->index = i;
- if(((event*)(events->array[i]))->type != NULL){
+ if(((event_t*)(events->array[i]))->type != NULL){
field->field_pos = 0;
- type = lookup_named_type(f,((event*)(events->array[i]))->type);
+ type = lookup_named_type(f,((event_t*)(events->array[i]))->type);
field->field_type = type;
field->offset_root = 0;
field->fixed_root = 1;
field->current_element = 0;
//construct field tree and type graph
- constructTypeAndFields(f,((event*)(events->array[i]))->type,field);
+ constructTypeAndFields(f,((event_t*)(events->array[i]))->type,field);
}else{
evType->root_field = NULL;
- sequence_pop(&(f->all_fields));
g_free(field);
}
}
void constructTypeAndFields(LttFacility * fac,type_descriptor * td,
LttField * fld)
{
- int i;
+ int i, flag;
type_descriptor * tmpTd;
// if(td->type == LTT_STRING || td->type == LTT_SEQUENCE)
fld->field_type->element_type[0] = lookup_named_type(fac, tmpTd);
fld->child = g_new(LttField*, 1);
fld->child[0] = g_new(LttField, 1);
- sequence_push(&(fac->all_fields), fld->child[0]);
fld->child[0]->field_pos = 0;
fld->child[0]->field_type = fld->field_type->element_type[0];
constructTypeAndFields(fac, tmpTd, fld->child[0]);
}else if(td->type == LTT_STRUCT){
fld->field_type->element_number = td->fields.position;
- fld->field_type->element_type = g_new(LttType*, td->fields.position);
+
+ if(fld->field_type->element_type == NULL){
+ fld->field_type->element_type = g_new(LttType*, td->fields.position);
+ flag = 1;
+ }else{
+ flag = 0;
+ }
+
fld->child = g_new(LttField*, td->fields.position);
for(i=0;i<td->fields.position;i++){
- tmpTd = ((field*)(td->fields.array[i]))->type;
- fld->field_type->element_type[i] = lookup_named_type(fac, tmpTd);
+ tmpTd = ((type_fields*)(td->fields.array[i]))->type;
+
+ if(flag)
+ fld->field_type->element_type[i] = lookup_named_type(fac, tmpTd);
fld->child[i] = g_new(LttField,1);
- sequence_push(&(fac->all_fields), fld->child[i]);
fld->child[i]->field_pos = i;
fld->child[i]->field_type = fld->field_type->element_type[i];
- fld->child[i]->field_type->element_name
- = g_strdup(((field*)(td->fields.array[i]))->name);
+
+ if(flag){
+ fld->child[i]->field_type->element_name
+ = g_strdup(((type_fields*)(td->fields.array[i]))->name);
+ }
+
fld->child[i]->offset_root = -1;
fld->child[i]->fixed_root = -1;
fld->child[i]->offset_parent = -1;
LttType * lookup_named_type(LttFacility *fac, type_descriptor * td)
{
LttType * lttType = NULL;
- int i;
- char * name;
+ unsigned int i=0;
+ gchar * name;
+
if(td->type_name){
- for(i=0;i<fac->all_named_types.keys.position;i++){
- name = (char *)(fac->all_named_types.keys.array[i]);
- if(strcmp(name, td->type_name)==0){
- lttType = (LttType*)(fac->all_named_types.values.array[i]);
- break;
+ for(i=0;i<fac->named_types_number; i++){
+ if(fac->named_types[i] == NULL) break;
+ name = fac->named_types[i]->type_name;
+ if(g_ascii_strcasecmp(name, td->type_name)==0){
+ lttType = fac->named_types[i];
+ // if(lttType->element_name) g_free(lttType->element_name);
+ // lttType->element_name = NULL;
+ break;
}
}
}
lttType->enum_strings = NULL;
lttType->element_type = NULL;
lttType->element_number = 0;
+ lttType->element_name = NULL;
if(td->type_name){
- name = g_strdup(td->type_name);
- table_insert(&(fac->all_named_types),name,lttType);
- lttType->element_name = name;
+ lttType->type_name = g_strdup(td->type_name);
+ fac->named_types[i] = lttType; /* i is initialized, checked. */
}
else{
- sequence_push(&(fac->all_unnamed_types), lttType);
- lttType->element_name = NULL;
+ lttType->type_name = NULL;
}
}
void freeFacility(LttFacility * fac)
{
- int i;
+ unsigned int i;
g_free(fac->name); //free facility name
//free event types
g_free(fac->events);
//free all named types
- freeAllNamedTypes(&(fac->all_named_types));
-
- //free all unnamed types
- freeAllUnamedTypes(&(fac->all_unnamed_types));
-
- //free all fields
- freeAllFields(&(fac->all_fields));
+ for(i=0;i<fac->named_types_number;i++){
+ freeLttNamedType(fac->named_types[i]);
+ fac->named_types[i] = NULL;
+ }
+ g_free(fac->named_types);
//free the facility itself
g_free(fac);
void freeEventtype(LttEventType * evType)
{
+ LttType * root_type;
g_free(evType->name);
if(evType->description)
g_free(evType->description);
+ if(evType->root_field){
+ root_type = evType->root_field->field_type;
+ freeLttField(evType->root_field);
+ freeLttType(&root_type);
+ }
+
g_free(evType);
}
-void freeAllNamedTypes(table * named_types)
+void freeLttNamedType(LttType * type)
{
- int i;
- for(i=0;i<named_types->keys.position;i++){
- //free the name of the type
- g_free((char*)(named_types->keys.array[i]));
-
- //free type
- freeLttType((LttType*)(named_types->values.array[i]));
- }
- table_dispose(named_types);
+ g_free(type->type_name);
+ type->type_name = NULL;
+ freeLttType(&type);
}
-void freeAllUnamedTypes(sequence * unnamed_types)
+void freeLttType(LttType ** type)
{
- int i;
- for(i=0;i<unnamed_types->position;i++){
- freeLttType((LttType*)(unnamed_types->array[i]));
+ unsigned int i;
+ if(*type == NULL) return;
+ if((*type)->type_name){
+ return; //this is a named type
+ }
+ if((*type)->element_name)
+ g_free((*type)->element_name);
+ if((*type)->fmt)
+ g_free((*type)->fmt);
+ if((*type)->enum_strings){
+ for(i=0;i<(*type)->element_number;i++)
+ g_free((*type)->enum_strings[i]);
+ g_free((*type)->enum_strings);
}
- sequence_dispose(unnamed_types);
-}
-void freeAllFields(sequence * all_fields)
-{
- int i;
- for(i=0;i<all_fields->position;i++){
- freeLttField((LttField*)(all_fields->array[i]));
+ if((*type)->element_type){
+ for(i=0;i<(*type)->element_number;i++)
+ freeLttType(&((*type)->element_type[i]));
+ g_free((*type)->element_type);
}
- sequence_dispose(all_fields);
+ g_free(*type);
+ *type = NULL;
}
-//only free current type, not child types
-void freeLttType(LttType * type)
-{
+void freeLttField(LttField * fld)
+{
int i;
- if(type->element_name)
- g_free(type->element_name);
- if(type->fmt)
- g_free(type->fmt);
- if(type->enum_strings){
- for(i=0;i<type->element_number;i++)
- g_free(type->enum_strings[i]);
- g_free(type->enum_strings);
- }
-
- if(type->element_type){
- g_free(type->element_type);
+ int size = 0;
+
+ if(fld->field_type){
+ if(fld->field_type->type_class == LTT_ARRAY ||
+ fld->field_type->type_class == LTT_SEQUENCE){
+ size = 1;
+ }else if(fld->field_type->type_class == LTT_STRUCT){
+ size = fld->field_type->element_number;
+ }
}
- g_free(type);
-}
-//only free the current field, not child fields
-void freeLttField(LttField * fld)
-{
- if(fld->child)
+ if(fld->child){
+ for(i=0; i<size; i++){
+ if(fld->child[i])freeLttField(fld->child[i]);
+ }
g_free(fld->child);
+ }
g_free(fld);
}
* char * : the facility's name
****************************************************************************/
-char *ltt_facility_name(LttFacility *f)
+gchar *ltt_facility_name(LttFacility *f)
{
return f->name;
}
unsigned ltt_facility_eventtype_number(LttFacility *f)
{
- return (unsigned)(f->event_number);
+ return (f->event_number);
}
/*****************************************************************************
* : obtain the event type according to event name
* event name is unique in the facility
*Input params
- * f : the facility that will be closed
+ * f : the facility
* name : the name of the event
*Return value
* LttEventType * : the event type required
****************************************************************************/
-LttEventType *ltt_facility_eventtype_get_by_name(LttFacility *f, char *name)
+LttEventType *ltt_facility_eventtype_get_by_name(LttFacility *f, gchar *name)
{
- int i;
- LttEventType * ev;
+ unsigned int i;
+ LttEventType * ev = NULL;
+
for(i=0;i<f->event_number;i++){
- ev = f->events[i];
- if(strcmp(ev->name, name) == 0)break;
+ LttEventType *iter_ev = f->events[i];
+ if(g_ascii_strcasecmp(iter_ev->name, name) == 0) {
+ ev = iter_ev;
+ break;
+ }
}
-
- if(i==f->event_number) return NULL;
- else return ev;
+ return ev;
}
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