/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2003-2004 Michel Dagenais
+ * Copyright (C) 2005 Simon Bouvier-Zappa
*
* 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
* MA 02111-1307, USA.
*/
-/*
- * The text filter facility will prompt for user filter option
- * and transmit them to the lttv core
+/*! \file lttv/modules/text/textFilter.c
+ * \brief Textual prompt for user filtering expression.
+ *
+ * The text filter facility will prompt for user filter option
+ * and transmit them to the lttv core. User can either specify
+ * a filtering string with the command line or/and specify a
+ * file containing filtering expressions.
*/
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
#include <lttv/lttv.h>
#include <lttv/option.h>
#include <lttv/module.h>
#include <lttv/filter.h>
#include <ltt/ltt.h>
#include <ltt/event.h>
-#include <ltt/type.h>
#include <ltt/trace.h>
-#include <ltt/facility.h>
-#include <stdio.h>
/* Insert the hooks before and after each trace and tracefile, and for each
event. Print a global header. */
-/*
- * YET TO BE ANSWERED !
- * - why does this module need dependency with batchAnalysis ?
- */
-
/*
* TODO
* - specify wich hook function will be used to call the core filter
*a_file_name = NULL,
*a_string = NULL;
-GString
- *a_filter_string = NULL;
-
-
static LttvHooks
*before_traceset,
*event_hook;
-static FILE *a_file;
-
-
/**
* filters the file input from user
- * @param hook_data the hook data
- * @return success/failure of operation
+ * @param hook_data the hook data, unused
*/
void filter_analyze_file(void *hook_data) {
- g_print("textFilter::filter_analyze_file\n");
-
+ LttvAttributeValue value;
+
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+
/*
* User may specify filtering options through static file
* and/or command line string. From these sources, an
* option string is rebuilded and sent to the filter core
*/
- a_file = fopen(a_file_name, "r");
- if(a_file == NULL) {
- g_warning("file %s does not exist", a_file_name);
+ if(!g_file_test(a_file_name,G_FILE_TEST_EXISTS)) {
+ g_warning("file %s does not exist", a_file_name);
return;
}
+
+ char* a_file_content = NULL;
+
+ g_file_get_contents(a_file_name,&a_file_content,NULL,NULL);
- char* line = NULL;
- size_t len = 0;
-
- if(a_filter_string == NULL) {
- a_filter_string = g_string_new("");
- }
- else {
- g_string_append(a_filter_string,"&"); /*conjonction between expression*/
- }
-
- while(!feof(a_file)) {
- getline(&line,&len,a_file);
- g_string_append(a_filter_string,line);
- line = NULL;
- }
+ g_assert(lttv_iattribute_find_by_path(attributes, "filter/expression",
+ LTTV_POINTER, &value));
+
+ if(((GString*)*(value.v_pointer))->len != 0)
+ g_string_append_c((GString*)*(value.v_pointer),'&');
+ g_string_append_c((GString*)*(value.v_pointer),'(');
+ g_string_append((GString*)*(value.v_pointer),a_file_content);
+ g_string_append_c((GString*)*(value.v_pointer),')');
- fclose(a_file);
}
/**
* filters the string input from user
- * @param hook_data the hook data
- * @return success/failure of operation
+ * @param hook_data the hook data, unused
*/
void filter_analyze_string(void *hook_data) {
- g_print("textFilter::filter_analyze_string\n");
+ LttvAttributeValue value;
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+
/*
* User may specify filtering options through static file
* and/or command line string. From these sources, an
* option string is rebuilded and sent to the filter core
*/
- if(a_filter_string==NULL) {
- a_filter_string = g_string_new("");
- g_string_append(a_filter_string,a_string);
- }
- else {
- g_string_append(a_filter_string,"&"); /*conjonction between expression*/
- g_string_append(a_filter_string,a_string);
- }
+ g_assert(lttv_iattribute_find_by_path(attributes, "filter/expression",
+ LTTV_POINTER, &value));
+
+ if(((GString*)*(value.v_pointer))->len != 0)
+ g_string_append_c((GString*)*(value.v_pointer),'&');
+ g_string_append_c((GString*)*(value.v_pointer),'(');
+ g_string_append((GString*)*(value.v_pointer),a_string);
+ g_string_append_c((GString*)*(value.v_pointer),')');
}
/**
- * filter to current event depending on the
- * filter options tree
+ * Output all filter commands on console
* @param hook_data the hook data
- * @param call_data the call data
- * @return success/error of operation
*/
-static gboolean filter_event_content(void *hook_data, void *call_data) {
-
- g_print("textFilter::filter_event_content\n"); /* debug */
+void filter_list_commands(void *hook_data) {
+
+ g_print("[field] [op] [value]\n\n");
+
+ g_print("*** Possible fields ***\n");
+ g_print("event.name (string)\n");
+ g_print("event.facility (string)\n");
+ g_print("event.category (string)\n");
+ g_print("event.time (double)\n");
+ g_print("event.tsc (integer)\n");
+ g_print("event.target_pid (integer)\n");
+ g_print("event.field.facility_name.event_name.field_name.subfield_name (field_type)\n");
+ g_print("tracefile.name (string)\n");
+ g_print("trace.name (string)\n");
+ g_print("state.pid (integer)\n");
+ g_print("state.ppid (integer)\n");
+ g_print("state.creation_time (double)\n");
+ g_print("state.insertion_time (double)\n");
+ g_print("state.process_name (string)\n");
+ g_print("state.thread_brand (string)\n");
+ g_print("state.execution_mode (string)\n");
+ g_print("state.execution_submode (string)\n");
+ g_print("state.process_status (string)\n");
+ g_print("state.cpu (string)\n\n");
+
+ g_print("*** Possible operators ***\n");
+ g_print("equal '='\n");
+ g_print("not equal '!='\n");
+ g_print("greater '>'\n");
+ g_print("greater or equal '>='\n");
+ g_print("lower '<'\n");
+ g_print("lower or equal '<='\n");
+
+ g_print("*** Possible values ***\n");
+ g_print("string, integer, double");
}
/**
*/
static void init() {
- g_print("textFilter::init()\n"); /* debug */
-
LttvAttributeValue value;
LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
- g_info("Init textFilter.c");
+ g_assert(lttv_iattribute_find_by_path(attributes, "filter/expression",
+ LTTV_POINTER, &value));
+ *(value.v_pointer) = g_string_new("");
+
+ g_info("Init textFilter.c");
+
a_string = NULL;
- lttv_option_add("string", 's',
+ lttv_option_add("expression", 'e',
"filters a string issued by the user on the command line",
"string",
LTTV_OPT_STRING, &a_string, filter_analyze_string, NULL);
"browse the filter options contained in specified file",
"file name",
LTTV_OPT_STRING, &a_file_name, filter_analyze_file, NULL);
-
- /*
- * Note to myself !
- * LttvAttributeValue::v_pointer is a gpointer* --> void**
- * see union LttvAttributeValue for more info
- */
- g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event",
- LTTV_POINTER, &value));
- g_assert((event_hook = *(value.v_pointer)) != NULL);
- lttv_hooks_add(event_hook, filter_event_content, NULL, LTTV_PRIO_DEFAULT);
-// g_assert(lttv_iattribute_find_by_path(attributes,"hooks/trace/before",
-// LTTV_POINTER, &value));
-// g_assert((before_traceset = *(value.v_pointer)) != NULL);
-// lttv_hooks_add(before_traceset, parse_filter_options, NULL, LTTV_PRIO_DEFAULT);
+ lttv_option_add("list", 'l',
+ "list all possible filter commands for module",
+ "list commands",
+ LTTV_OPT_NONE, NULL, filter_list_commands, NULL);
}
static void destroy() {
g_info("Destroy textFilter");
- lttv_option_remove("string");
+ lttv_option_remove("expression");
lttv_option_remove("filename");
- lttv_hooks_remove_data(event_hook, filter_event_content, NULL);
+ lttv_option_remove("list");
-// lttv_hooks_remove_data(before_traceset, parse_filter_options, NULL);
+ LttvAttributeValue value;
+
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "filter/expression",
+ LTTV_POINTER, &value));
+
+ g_string_free((GString*)*(value.v_pointer),TRUE);
}
LTTV_MODULE("textFilter", "Filters traces", \
"Filter the trace following commands issued by user input", \
- init, destroy, "batchAnalysis", "option")
+ init, destroy, "option")
projects / lttv.git / blobdiff