+++ /dev/null
-/* This file is part of the Linux Trace Toolkit viewer
- * 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
- * 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.
- */
-
-/*! \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/hook.h>
-#include <lttv/attribute.h>
-#include <lttv/iattribute.h>
-#include <lttv/stats.h>
-#include <lttv/filter.h>
-#include <ltt/ltt.h>
-#include <ltt/event.h>
-#include <ltt/trace.h>
-
-/* Insert the hooks before and after each trace and tracefile, and for each
- event. Print a global header. */
-
-/*
- * TODO
- * - specify wich hook function will be used to call the core filter
- */
-
-static char
- *a_file_name = NULL,
- *a_string = NULL;
-
-static LttvHooks __attribute__ ((__unused__))
- *before_traceset,
- *event_hook;
-
-/**
- * filters the file input from user
- * @param hook_data the hook data, unused
- */
-void filter_analyze_file(void *hook_data) {
-
- 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(!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);
-
- 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),')');
-
-}
-
-/**
- * filters the string input from user
- * @param hook_data the hook data, unused
- */
-void filter_analyze_string(void *hook_data) {
-
- 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
- */
- 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),')');
-
-}
-
-/**
- * Output all filter commands on console
- * @param hook_data the hook data
- */
-void filter_list_commands(void *hook_data) {
-
- g_print("[field] [op] [value]\n\n");
-
- g_print("*** Possible fields ***\n");
- g_print("event.name (string) (channel_name.event_name)\n");
- g_print("event.subname (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.channel_name.event_name.field_name.subfield_name (field_type)\n");
- g_print("channel.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");
-}
-
-/**
- * initialize the new module
- */
-static void init() {
-
- LttvAttributeValue value;
-
- LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
-
- 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("expression", 'e',
- "filters a string issued by the user on the command line",
- "string",
- LTTV_OPT_STRING, &a_string, filter_analyze_string, NULL);
- // add function to call for option
-
- a_file_name = NULL;
- lttv_option_add("filename", 'f',
- "browse the filter options contained in specified file",
- "file name",
- LTTV_OPT_STRING, &a_file_name, filter_analyze_file, NULL);
-
- lttv_option_add("list", 'l',
- "list all possible filter commands for module",
- "list commands",
- LTTV_OPT_NONE, NULL, filter_list_commands, NULL);
-
-}
-
-/**
- * Destroy the current module
- */
-static void destroy() {
- g_info("Destroy textFilter");
-
- lttv_option_remove("expression");
-
- lttv_option_remove("filename");
-
- lttv_option_remove("list");
-
- 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, "option")
-
projects / lttv.git / blobdiff