+/* 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 "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 */
-ltt_type * lookup_named_type(ltt_facility *fac, type_descriptor * td);
+LttType * lookup_named_type(LttFacility *fac, type_descriptor * td);
/* construct directed acyclic graph for types, and tree for fields */
-void constructTypeAndFields(ltt_facility * fac,type_descriptor * td,
- ltt_field * fld);
+void constructTypeAndFields(LttFacility * fac,type_descriptor * td,
+ LttField * fld);
/* generate the facility according to the events belongin to it */
-void generateFacility(ltt_facility * facility, char * pathname,
- ltt_checksum checksum, sequence * events);
+void generateFacility(LttFacility * f, facility_t * fac,
+ LttChecksum checksum);
/* functions to release the memory occupied by a facility */
-void freeFacility(ltt_facility * facility);
-void freeEventtype(ltt_eventtype * evType);
-void freeAllNamedTypes(table * named_types);
-void freeAllUnamedTypes(sequence * unnamed_types);
-void freeAllFields(sequence * all_fields);
-void freeLttType(ltt_type * type);
-void freeLttField(ltt_field * fld);
+void freeFacility(LttFacility * facility);
+void freeEventtype(LttEventType * evType);
+void freeLttType(LttType ** type);
+void freeLttField(LttField * fld);
+void freeLttNamedType(LttType * type);
/*****************************************************************************
*Function name
- * ltt_facility_open : open a facility
+ * ltt_facility_open : open facilities
*Input params
+ * t : the trace containing the facilities
* pathname : the path name of the facility
- * c : checksum of the facility registered in kernal
- *Return value
- * ltt_facility* : return a ltt_facility
****************************************************************************/
-ltt_facility * ltt_facility_open(char * pathname, ltt_checksum c)
+void ltt_facility_open(LttTrace * t, gchar * pathname)
{
- char *token;
+ gchar *token;
parse_file in;
- char buffer[BUFFER_SIZE];
- ltt_checksum checksum;
- event *ev;
- sequence events;
- table namedTypes;
- sequence unnamedTypes;
- ltt_facility * aFacility = NULL;
-
- sequence_init(&events);
- table_init(&namedTypes);
- sequence_init(&unnamedTypes);
-
- in.buffer = buffer;
+ gsize length;
+ facility_t * fac;
+ LttFacility * f;
+ LttChecksum checksum;
+ GError * error = NULL;
+ gchar buffer[BUFFER_SIZE];
+
+ in.buffer = &(buffer[0]);
in.lineno = 0;
in.error = error_callback;
- in.name = appendString(pathname,".event");
+ in.name = pathname;
+
+ 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;
- in.fp = fopen(in.name, "r");
- if(!in.fp )g_error("cannot open input file: %s\n", in.name);
-
while(1){
token = getToken(&in);
if(in.type == ENDFILE) break;
- if(strcmp("event",token) == 0) {
- ev = g_new(event,1);
- sequence_push(&events,ev);
- parseEvent(&in,ev, &unnamedTypes, &namedTypes);
- }
- else if(strcmp("type",token) == 0) {
- parseTypeDefinition(&in, &unnamedTypes, &namedTypes);
+ if(g_ascii_strcasecmp(token, "<")) in.error(&in,"not a facility file");
+ token = getName(&in);
+
+ if(g_ascii_strcasecmp("facility",token) == 0) {
+ fac = g_new(facility_t, 1);
+ fac->name = NULL;
+ fac->description = NULL;
+ sequence_init(&(fac->events));
+ table_init(&(fac->named_types));
+ sequence_init(&(fac->unnamed_types));
+
+ parseFacility(&in, fac);
+
+ //check if any namedType is not defined
+ g_assert(checkNamedTypesImplemented(&fac->named_types) == 0);
+
+ 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);
+
+ 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);
+ g_free(fac);
}
- else g_error("event or type token expected\n");
+ else in.error(&in,"facility token was expected");
}
-
- fclose(in.fp);
-
- checkNamedTypesImplemented(&namedTypes);
- generateChecksum(pathname, &checksum, &events);
-
- //yxx disable during the test
- aFacility = g_new(ltt_facility,1);
- generateFacility(aFacility, pathname, checksum, &events);
-/*
- if(checksum == c){
- aFacility = g_new(ltt_facility,1);
- generateFacility(aFacility, pathname, checksum, &events);
- }else{
- g_error("local facility is different from the one registered in the kernel");
+ 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);
}
-*/
-
- free(in.name);
- freeEvents(&events);
- sequence_dispose(&events);
- freeNamedType(&namedTypes);
- table_dispose(&namedTypes);
- freeTypes(&unnamedTypes);
- sequence_dispose(&unnamedTypes);
- return aFacility;
+ g_close(in.fd);
}
*Function name
* generateFacility : generate facility, internal function
*Input params
- * facility : facilty structure
- * facName : facility name
+ * facility : LttFacilty structure
+ * fac : facility structure
* checksum : checksum of the facility
- * events : sequence of events belonging to the facility
****************************************************************************/
-void generateFacility(ltt_facility * facility, char * pathname,
- ltt_checksum checksum, sequence * events)
+void generateFacility(LttFacility *f, facility_t *fac,LttChecksum checksum)
{
- char * facilityName;
+ char * facilityName = fac->name;
+ sequence * events = &fac->events;
int i;
- ltt_eventtype * evType;
- ltt_field * field;
- ltt_type * type;
-
- //get the facility name (strip any leading directory)
- facilityName = strrchr(pathname,'/');
- if(facilityName) facilityName++;
- else facilityName = pathname;
+ LttEventType * evType;
+ LttField * field;
+ LttType * type;
- facility->name = g_strdup(facilityName);
- facility->event_number = events->position;
- facility->checksum = checksum;
- facility->usage_count = 0;
+ f->name = g_strdup(facilityName);
+ f->event_number = events->position;
+ f->checksum = checksum;
//initialize inner structures
- facility->events = g_new(ltt_eventtype*,facility->event_number);
- sequence_init(&(facility->all_fields));
- sequence_init(&(facility->all_unnamed_types));
- table_init(&(facility->all_named_types));
+ f->events = g_new(LttEventType*,f->event_number);
+ 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(ltt_eventtype,1);
- facility->events[i] = evType;
+ 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(ltt_field, 1);
- sequence_push(&(facility->all_fields), field);
+ field = g_new(LttField, 1);
evType->root_field = field;
- evType->facility = facility;
+ evType->facility = f;
evType->index = i;
- field->field_pos = 0;
- type = lookup_named_type(facility,((event*)(events->array[i]))->type);
- field->field_type = type;
- field->offset_root = 0;
- field->fixed_root = 1;
- field->offset_parent = 0;
- field->fixed_parent = 1;
- // field->base_address = NULL;
- field->field_size = 0;
- field->field_fixed = -1;
- field->parent = NULL;
- field->child = NULL;
- field->current_element = 0;
-
- //construct field tree and type graph
- constructTypeAndFields(facility,((event*)(events->array[i]))->type,field);
+ if(((event_t*)(events->array[i]))->type != NULL){
+ field->field_pos = 0;
+ type = lookup_named_type(f,((event_t*)(events->array[i]))->type);
+ field->field_type = type;
+ field->offset_root = 0;
+ field->fixed_root = 1;
+ field->offset_parent = 0;
+ field->fixed_parent = 1;
+ // field->base_address = NULL;
+ field->field_size = 0;
+ field->field_fixed = -1;
+ field->parent = NULL;
+ field->child = NULL;
+ field->current_element = 0;
+
+ //construct field tree and type graph
+ constructTypeAndFields(f,((event_t*)(events->array[i]))->type,field);
+ }else{
+ evType->root_field = NULL;
+ g_free(field);
+ }
}
}
* root_field : root field of the event
****************************************************************************/
-void constructTypeAndFields(ltt_facility * fac,type_descriptor * td,
- ltt_field * fld)
+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)
}else if(td->type == LTT_ARRAY || td->type == LTT_SEQUENCE){
if(td->type == LTT_ARRAY)
fld->field_type->element_number = (unsigned)td->size;
- fld->field_type->element_type = g_new(ltt_type*,1);
+ fld->field_type->element_type = g_new(LttType*,1);
tmpTd = td->nested_type;
fld->field_type->element_type[0] = lookup_named_type(fac, tmpTd);
- fld->child = g_new(ltt_field*, 1);
- fld->child[0] = g_new(ltt_field, 1);
- sequence_push(&(fac->all_fields), fld->child[0]);
+ fld->child = g_new(LttField*, 1);
+ fld->child[0] = g_new(LttField, 1);
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(ltt_type*, td->fields.position);
- fld->child = g_new(ltt_field*, 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);
- fld->child[i] = g_new(ltt_field,1);
- sequence_push(&(fac->all_fields), fld->child[i]);
+ 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);
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;
* fac : facility struct
* td : type descriptor
*Return value
- * : either find the named type, or create a new ltt_type
+ * : either find the named type, or create a new LttType
****************************************************************************/
-ltt_type * lookup_named_type(ltt_facility *fac, type_descriptor * td)
+LttType * lookup_named_type(LttFacility *fac, type_descriptor * td)
{
- ltt_type * lttType = NULL;
- int i;
- char * name;
+ LttType * lttType = NULL;
+ 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 = (ltt_type*)(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;
}
}
}
if(!lttType){
- lttType = g_new(ltt_type,1);
+ lttType = g_new(LttType,1);
lttType->type_class = td->type;
if(td->fmt) lttType->fmt = g_strdup(td->fmt);
else lttType->fmt = NULL;
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;
}
}
* int : usage count ?? status
****************************************************************************/
-int ltt_facility_close(ltt_facility *f)
+int ltt_facility_close(LttFacility *f)
{
- // f->usage_count--;
- if(f->usage_count > 0) return f->usage_count;
-
//release the memory it occupied
freeFacility(f);
* Functions to release the memory occupied by the facility
****************************************************************************/
-void freeFacility(ltt_facility * fac)
+void freeFacility(LttFacility * fac)
{
- int i;
+ unsigned int i;
g_free(fac->name); //free facility name
//free event types
for(i=0;i<fac->event_number;i++){
freeEventtype(fac->events[i]);
}
+ 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(ltt_eventtype * evType)
+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((ltt_type*)(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((ltt_type*)(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((ltt_field*)(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;
}
-void freeLttType(ltt_type * type)
-{
- if(type->element_name)
- g_free(type->element_name);
- if(type->fmt)
- g_free(type->fmt);
- if(type->enum_strings)
- g_free(type->enum_strings);
- if(type->element_type)
- g_free(type->element_type);
- g_free(type);
-}
+void freeLttField(LttField * fld)
+{
+ int i;
+ 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;
+ }
+ }
-void freeLttField(ltt_field * 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(ltt_facility *f)
+gchar *ltt_facility_name(LttFacility *f)
{
return f->name;
}
*Input params
* f : the facility that will be closed
*Return value
- * ltt_checksum : the checksum of the facility
+ * LttChecksum : the checksum of the facility
****************************************************************************/
-ltt_checksum ltt_facility_checksum(ltt_facility *f)
+LttChecksum ltt_facility_checksum(LttFacility *f)
{
return f->checksum;
}
+/*****************************************************************************
+ *Function name
+ * ltt_facility_base_id : obtain the facility base id
+ *Input params
+ * f : the facility
+ *Return value
+ * : the base id of the facility
+ ****************************************************************************/
+
+unsigned ltt_facility_base_id(LttFacility *f)
+{
+ return f->base_id;
+}
+
/*****************************************************************************
*Function name
* ltt_facility_eventtype_number: obtain the number of the event types
* unsigned : the number of the event types
****************************************************************************/
-unsigned ltt_facility_eventtype_number(ltt_facility *f)
+unsigned ltt_facility_eventtype_number(LttFacility *f)
{
- return (unsigned)(f->event_number);
+ return (f->event_number);
}
/*****************************************************************************
*Input params
* f : the facility that will be closed
*Return value
- * ltt_eventtype * : the event type required
+ * LttEventType * : the event type required
****************************************************************************/
-ltt_eventtype *ltt_facility_eventtype_get(ltt_facility *f, unsigned i)
+LttEventType *ltt_facility_eventtype_get(LttFacility *f, unsigned i)
{
return f->events[i];
}
* : 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
- * ltt_eventtype * : the event type required
+ * LttEventType * : the event type required
****************************************************************************/
-ltt_eventtype *ltt_facility_eventtype_get_by_name(ltt_facility *f, char *name)
+LttEventType *ltt_facility_eventtype_get_by_name(LttFacility *f, gchar *name)
{
- int i;
- ltt_eventtype * 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;
}
projects / lttv.git / blobdiff