2005-02-16 14:16:40 +00:00
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/* stats_tree.c
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* API for a counter tree for ethereal
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* 2004, Luis E. G. Ontanon
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*
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2005-02-20 17:43:38 +00:00
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* $Id$
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2005-02-16 14:16:40 +00:00
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include <epan/stats_tree_priv.h>
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2005-02-25 03:56:12 +00:00
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#include <string.h>
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/*
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TODO:
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- sort out the sorting issue
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*/
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2005-02-16 14:16:40 +00:00
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/* used to contain the registered stat trees */
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static GHashTable* registry = NULL;
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/* writes into the buffers pointed by value, rate and percent
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the string representations of a node*/
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extern void get_strings_from_node(const stat_node* node, guint8* value, guint8* rate, guint8* percent) {
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float f;
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if (value) g_snprintf(value,NUM_BUF_SIZE,"%u",node->counter);
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if (rate) {
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*rate = '\0';
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if (node->st->elapsed > 0.0) {
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f = ((float)node->counter) / node->st->elapsed;
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g_snprintf(rate,NUM_BUF_SIZE,"%f",f);
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}
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}
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if (percent) {
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*percent = '\0';
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if (node->parent->counter > 0) {
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2005-03-06 17:06:55 +00:00
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f = (float)(((float)node->counter * 100.0) / node->parent->counter);
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2005-02-16 14:16:40 +00:00
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g_snprintf(percent,NUM_BUF_SIZE,"%.2f%%",f);
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}
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}
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}
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/* a text representation of a node
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if buffer is NULL returns a newly allocated string */
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extern guint8* stat_node_to_str(const stat_node* node,
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guint8* buffer, guint len) {
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if (buffer) {
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g_snprintf(buffer,len,"%s: %i",node->name, node->counter);
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return buffer;
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} else {
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return g_strdup_printf("%s: %i",node->name, node->counter);
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}
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}
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2005-02-25 03:56:12 +00:00
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extern guint stats_branch_max_name_len(const stat_node* node, guint indent) {
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stat_node* child;
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guint maxlen = 0;
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guint len;
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indent = indent > INDENT_MAX ? INDENT_MAX : indent;
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if (node->children) {
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for (child = node->children; child; child = child->next ) {
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len = stats_branch_max_name_len(child,indent+1);
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maxlen = len > maxlen ? len : maxlen;
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}
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}
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len = strlen(node->name) + indent;
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maxlen = len > maxlen ? len : maxlen;
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return maxlen;
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}
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static gchar* format;
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2005-02-16 14:16:40 +00:00
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/* populates the given GString with a tree representation of a branch given by node,
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using indent spaces as initial indentation */
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extern void stat_branch_to_str(const stat_node* node, GString* s, guint indent) {
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stat_node* child;
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2005-02-25 03:56:12 +00:00
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static gchar indentation[INDENT_MAX+1];
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2005-02-16 14:16:40 +00:00
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static gchar value[NUM_BUF_SIZE];
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static gchar rate[NUM_BUF_SIZE];
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static gchar percent[NUM_BUF_SIZE];
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2005-02-25 03:56:12 +00:00
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guint i = 0;
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if (indent == 0) {
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2005-03-06 17:06:55 +00:00
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format = g_strdup_printf(" %%s%%-%us%%12s %%12s %%12s\n",stats_branch_max_name_len(node,0));
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2005-02-25 03:56:12 +00:00
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}
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2005-02-16 14:16:40 +00:00
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get_strings_from_node(node, value, rate, percent);
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indent = indent > INDENT_MAX ? INDENT_MAX : indent;
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/* fill indentation with indent spaces */
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2005-02-25 03:56:12 +00:00
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if (indent > 0) {
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while(i<indent)
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indentation[i++] = ' ';
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}
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2005-02-16 14:16:40 +00:00
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2005-02-25 03:56:12 +00:00
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indentation[i++] = '\0';
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2005-02-16 14:16:40 +00:00
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2005-02-25 03:56:12 +00:00
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g_string_sprintfa(s,format,
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indentation,node->name,value,rate,percent);
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2005-02-16 14:16:40 +00:00
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if (node->children) {
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for (child = node->children; child; child = child->next ) {
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stat_branch_to_str(child,s,indent+1);
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}
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}
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2005-02-25 03:56:12 +00:00
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if (indent == 0) {
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g_free(format);
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}
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2005-02-16 14:16:40 +00:00
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}
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2005-02-25 03:56:12 +00:00
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2005-02-16 14:16:40 +00:00
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/* frees the resources allocated by a stat_tree node */
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static void free_stat_node( stat_node* node ) {
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stat_node* child;
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if (node->children) {
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for (child = node->children; child; child = child->next )
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free_stat_node(child);
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}
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if(node->st->free_node_pr) node->st->free_node_pr(node);
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if (node->hash) g_hash_table_destroy(node->hash);
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2005-02-27 16:55:24 +00:00
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2005-02-16 14:16:40 +00:00
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if (node->rng) g_free(node->rng);
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if (node->name) g_free(node->name);
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g_free(node);
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}
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/* destroys the whole tree */
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extern void free_stats_tree(stats_tree* st) {
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stat_node* child;
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2005-02-24 22:02:31 +00:00
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g_free(st->tapname);
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2005-02-16 14:16:40 +00:00
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g_free(st->abbr);
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g_free(st->filter);
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for (child = st->root.children; child; child = child->next )
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free_stat_node(child);
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if (st->free_tree_pr)
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st->free_tree_pr(st);
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g_free(st);
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}
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/* reset a node to its original state */
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static void reset_stat_node(stat_node* node) {
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stat_node* child;
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if (node->children) {
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for (child = node->children; child; child = child->next )
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reset_stat_node(child);
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}
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node->counter = 0;
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if(node->st->reset_node) {
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node->st->reset_node(node);
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}
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}
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/* reset the whole stats_tree */
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2005-02-20 17:43:38 +00:00
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extern void reset_stats_tree(void* p) {
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stats_tree* st = p;
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reset_stat_node(&st->root);
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2005-02-16 14:16:40 +00:00
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if (st->reset_tree) {
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st->reset_tree(st);
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}
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}
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2005-02-20 17:43:38 +00:00
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extern void reinit_stats_tree(void* p) {
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stats_tree* st = p;
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stat_node* child;
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for (child = st->root.children; child; child = child->next) {
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free_stat_node(child);
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}
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2005-02-27 16:55:24 +00:00
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st->root.children = NULL;
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st->root.counter = 0;
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2005-02-20 17:43:38 +00:00
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if (st->init) {
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st->init(st);
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}
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}
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2005-02-16 14:16:40 +00:00
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/* register a new stats_tree */
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2005-02-24 22:02:31 +00:00
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extern void register_stats_tree(guint8* tapname,
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guint8* abbr,
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2005-02-16 14:16:40 +00:00
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guint8* name,
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stat_tree_packet_cb packet,
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stat_tree_init_cb init ) {
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stats_tree* st = g_malloc( sizeof(stats_tree) );
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/* at the very least the abbrev and the packet function should be given */
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2005-02-24 22:02:31 +00:00
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g_assert( tapname && abbr && packet );
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2005-02-16 14:16:40 +00:00
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2005-02-24 22:02:31 +00:00
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st->tapname = g_strdup(tapname);
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2005-02-16 14:16:40 +00:00
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st->abbr = g_strdup(abbr);
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st->name = name ? g_strdup(name) : g_strdup(abbr);
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st->filter = NULL;
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st->root.counter = 0;
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2005-02-25 03:56:12 +00:00
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st->root.name = g_strdup(name);
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2005-02-16 14:16:40 +00:00
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st->root.st = st;
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st->root.parent = NULL;
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st->root.children = NULL;
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st->root.next = NULL;
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st->root.hash = NULL;
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st->root.pr = NULL;
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st->names = g_hash_table_new(g_str_hash,g_str_equal);
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st->parents = g_ptr_array_new();
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g_ptr_array_add(st->parents,&st->root);
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st->start = -1.0;
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st->elapsed = 0.0;
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st->packet = packet;
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st->init = init;
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/* these have to be filled in by implementations */
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st->setup_node_pr = NULL;
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st->new_tree_pr = NULL;
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st->free_node_pr = NULL;
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st->free_tree_pr = NULL;
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st->draw_node = NULL;
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st->draw_tree = NULL;
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st->reset_node = NULL;
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st->reset_tree = NULL;
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if (!registry) registry = g_hash_table_new(g_str_hash,g_str_equal);
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g_hash_table_insert(registry,st->abbr,st);
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}
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/* will be the tap packet cb */
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extern int stats_tree_packet(void* p, packet_info* pinfo, epan_dissect_t *edt, const void *pri) {
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stats_tree* st = p;
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float now = (((float)pinfo->fd->rel_secs) + (((float)pinfo->fd->rel_usecs)/1000000) );
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if (st->start < 0.0) st->start = now;
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st->elapsed = now - st->start;
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if (st->packet)
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return st->packet(st,pinfo,edt,pri);
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else
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return 0;
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}
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extern GHashTable* stat_tree_registry(void) {
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return registry;
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}
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extern stats_tree* get_stats_tree_by_abbr(guint8* abbr) {
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return g_hash_table_lookup(registry,abbr);
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}
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struct _stats_tree_pres_stuff {
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void (*setup_node_pr)(stat_node*);
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void (*free_node_pr)(stat_node*);
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void (*draw_node)(stat_node*);
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void (*reset_node)(stat_node*);
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tree_pres* (*new_tree_pr)(stats_tree*);
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void (*free_tree_pr)(stats_tree*);
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void (*draw_tree)(stats_tree*);
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void (*reset_tree)(stats_tree*);
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};
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static void setup_tree_presentation(gpointer k _U_, gpointer v, gpointer p) {
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stats_tree* st = v;
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struct _stats_tree_pres_stuff *d = p;
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st->setup_node_pr = d->setup_node_pr;
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st->new_tree_pr = d->new_tree_pr;
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st->free_node_pr = d->free_node_pr;
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st->free_tree_pr = d->free_tree_pr;
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st->draw_node = d->draw_node;
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st->draw_tree = d->draw_tree;
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st->reset_node = d->reset_node;
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st->reset_tree = d->reset_tree;
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}
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extern void stats_tree_presentation(void (*registry_iterator)(gpointer,gpointer,gpointer),
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void (*setup_node_pr)(stat_node*),
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void (*free_node_pr)(stat_node*),
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void (*draw_node)(stat_node*),
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void (*reset_node)(stat_node*),
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tree_pres* (*new_tree_pr)(stats_tree*),
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void (*free_tree_pr)(stats_tree*),
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void (*draw_tree)(stats_tree*),
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void (*reset_tree)(stats_tree*),
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void* data) {
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struct _stats_tree_pres_stuff d = {setup_node_pr,free_node_pr,draw_node,reset_node,new_tree_pr,free_tree_pr,draw_tree,reset_tree};
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if (registry) g_hash_table_foreach(registry,setup_tree_presentation,&d);
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if (registry_iterator && registry)
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g_hash_table_foreach(registry,registry_iterator,data);
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}
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/* creates a stat_tree node
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* name: the name of the stats_tree node
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* parent_name: the name of the ALREADY REGISTERED parent
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* with_hash: whether or not it should keep a hash with it's children names
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* as_named_node: whether or not it has to be registered in the root namespace
|
|
|
|
*/
|
|
|
|
static stat_node* new_stat_node(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
int parent_id,
|
|
|
|
gboolean with_hash,
|
|
|
|
gboolean as_parent_node) {
|
|
|
|
|
|
|
|
stat_node *node = g_malloc (sizeof(stat_node));
|
|
|
|
stat_node* last_chld = NULL;
|
|
|
|
|
|
|
|
node->counter = 0;
|
|
|
|
node->name = g_strdup(name);
|
|
|
|
node->children = NULL;
|
|
|
|
node->next = NULL;
|
|
|
|
node->st = (stats_tree*) st;
|
|
|
|
node->hash = with_hash ? g_hash_table_new(g_str_hash,g_str_equal) : NULL;
|
|
|
|
node->parent = NULL;
|
2005-02-27 16:55:24 +00:00
|
|
|
node->rng = NULL;
|
|
|
|
|
2005-02-16 14:16:40 +00:00
|
|
|
if (as_parent_node) {
|
|
|
|
g_hash_table_insert(st->names,
|
|
|
|
node->name,
|
|
|
|
node);
|
|
|
|
|
|
|
|
g_ptr_array_add(st->parents,node);
|
|
|
|
|
|
|
|
node->id = st->parents->len - 1;
|
|
|
|
} else {
|
|
|
|
node->id = -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (parent_id >= 0 && parent_id < (int) st->parents->len ) {
|
|
|
|
node->parent = g_ptr_array_index(st->parents,parent_id);
|
|
|
|
} else {
|
|
|
|
/* ??? should we set the parent to be root ??? */
|
|
|
|
g_assert_not_reached();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (node->parent->children) {
|
|
|
|
/* insert as last child */
|
|
|
|
|
|
|
|
for (last_chld = node->parent->children;
|
|
|
|
last_chld->next;
|
|
|
|
last_chld = last_chld->next ) ;
|
|
|
|
|
|
|
|
last_chld->next = node;
|
|
|
|
|
|
|
|
} else {
|
|
|
|
/* insert as first child */
|
|
|
|
node->parent->children = node;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(node->parent->hash) {
|
|
|
|
g_hash_table_insert(node->parent->hash,node->name,node);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (st->setup_node_pr) {
|
|
|
|
st->setup_node_pr(node);
|
|
|
|
} else {
|
|
|
|
node->pr = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return node;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern int create_node(stats_tree* st, const gchar* name, int parent_id, gboolean with_hash) {
|
|
|
|
stat_node* node = new_stat_node(st,name,parent_id,with_hash,TRUE);
|
|
|
|
|
|
|
|
if (node)
|
|
|
|
return node->id;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX: should this be a macro? */
|
|
|
|
extern int create_node_with_parent_name(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
const gchar* parent_name,
|
|
|
|
gboolean with_children) {
|
|
|
|
return create_node(st,name,get_parent_id_by_name(st,parent_name),with_children);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Increases by delta the counter of the node whose name is given
|
|
|
|
* if the node does not exist yet it's created (with counter=1)
|
|
|
|
* using parent_name as parent node.
|
|
|
|
* with_hash=TRUE to indicate that the created node will have a parent
|
|
|
|
*/
|
2005-02-25 05:14:38 +00:00
|
|
|
extern int manip_stat_node(manip_node_mode mode, stats_tree* st, const guint8* name, int parent_id, gboolean with_hash, gint value) {
|
2005-02-16 14:16:40 +00:00
|
|
|
stat_node* node = NULL;
|
|
|
|
stat_node* parent = NULL;
|
|
|
|
|
|
|
|
if (parent_id >= 0 && parent_id < (int) st->parents->len ) {
|
|
|
|
parent = g_ptr_array_index(st->parents,parent_id);
|
|
|
|
} else {
|
|
|
|
g_assert_not_reached();
|
|
|
|
}
|
|
|
|
|
|
|
|
if( parent->hash ) {
|
|
|
|
node = g_hash_table_lookup(parent->hash,name);
|
|
|
|
} else {
|
|
|
|
node = g_hash_table_lookup(st->names,name);
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( node == NULL )
|
|
|
|
node = new_stat_node(st,name,parent_id,with_hash,with_hash);
|
|
|
|
|
|
|
|
switch (mode) {
|
|
|
|
case MN_INCREASE: node->counter += value; break;
|
|
|
|
case MN_SET: node->counter = value; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (node)
|
2005-02-25 05:14:38 +00:00
|
|
|
return node->id;
|
2005-02-16 14:16:40 +00:00
|
|
|
else
|
2005-02-25 05:14:38 +00:00
|
|
|
return -1;
|
2005-02-16 14:16:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern guint8* get_st_abbr(const guint8* optarg) {
|
|
|
|
guint i;
|
2005-02-24 22:02:31 +00:00
|
|
|
|
|
|
|
/* XXX: this fails when tethereal is given any options
|
|
|
|
after the -z */
|
|
|
|
g_assert(optarg != NULL);
|
2005-02-16 14:16:40 +00:00
|
|
|
|
|
|
|
for (i=0; optarg[i] && optarg[i] != ','; i++);
|
|
|
|
|
|
|
|
if (optarg[i] == ',') {
|
|
|
|
return g_strndup(optarg,i);
|
|
|
|
} else {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static range_pair_t* get_range(guint8* rngstr) {
|
|
|
|
gchar** split;
|
|
|
|
range_pair_t* rng = g_malloc(sizeof(range_pair_t));
|
|
|
|
|
|
|
|
split = g_strsplit(rngstr,"-",2);
|
|
|
|
|
|
|
|
rng->floor = strtol(split[0],NULL,10);
|
|
|
|
rng->ceil = strtol(split[1],NULL,10);
|
|
|
|
|
|
|
|
if (rng->ceil == 0) rng->ceil = G_MAXINT;
|
|
|
|
if (rng->floor == 0) rng->floor = G_MININT;
|
|
|
|
|
|
|
|
g_strfreev(split);
|
|
|
|
|
|
|
|
return rng;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern int create_range_node(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
int parent_id,
|
|
|
|
...) {
|
|
|
|
va_list list;
|
|
|
|
guint8* curr_range;
|
|
|
|
stat_node* rng_root = new_stat_node(st, name, parent_id, FALSE, TRUE);
|
|
|
|
stat_node* range_node = NULL;
|
|
|
|
|
|
|
|
va_start( list, parent_id );
|
|
|
|
while (( curr_range = va_arg(list, guint8*) )) {
|
|
|
|
range_node = new_stat_node(st, curr_range, rng_root->id, FALSE, FALSE);
|
|
|
|
range_node->rng = get_range(curr_range);
|
|
|
|
}
|
|
|
|
va_end( list );
|
|
|
|
|
|
|
|
return rng_root->id;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern int get_parent_id_by_name(stats_tree* st, const gchar* parent_name) {
|
|
|
|
stat_node* node = g_hash_table_lookup(st->names,parent_name);
|
|
|
|
|
|
|
|
if (node)
|
|
|
|
return node->id;
|
|
|
|
else
|
|
|
|
return 0; /* ??? -1 ??? */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern int create_range_node_with_parent_name(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
const gchar* parent_name,
|
|
|
|
...) {
|
|
|
|
va_list list;
|
|
|
|
guint8* curr_range;
|
|
|
|
stat_node* range_node = NULL;
|
|
|
|
int parent_id = get_parent_id_by_name(st,parent_name);
|
|
|
|
stat_node* rng_root = new_stat_node(st, name, parent_id, FALSE, TRUE);
|
|
|
|
|
|
|
|
va_start( list, parent_name );
|
|
|
|
while (( curr_range = va_arg(list, guint8*) )) {
|
|
|
|
range_node = new_stat_node(st, curr_range, rng_root->id, FALSE, FALSE);
|
|
|
|
range_node->rng = get_range(curr_range);
|
|
|
|
}
|
|
|
|
va_end( list );
|
|
|
|
|
|
|
|
return rng_root->id;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
extern int tick_range(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
int parent_id,
|
|
|
|
int value_in_range) {
|
|
|
|
|
|
|
|
stat_node* node = NULL;
|
|
|
|
stat_node* parent = NULL;
|
|
|
|
stat_node* child = NULL;
|
|
|
|
gint floor, ceil;
|
|
|
|
|
|
|
|
if (parent_id >= 0 && parent_id < (int) st->parents->len) {
|
|
|
|
parent = g_ptr_array_index(st->parents,parent_id);
|
|
|
|
} else {
|
|
|
|
g_assert_not_reached();
|
|
|
|
}
|
|
|
|
|
|
|
|
if( parent->hash ) {
|
|
|
|
node = g_hash_table_lookup(parent->hash,name);
|
|
|
|
} else {
|
|
|
|
node = g_hash_table_lookup(st->names,name);
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( node == NULL )
|
|
|
|
return node->id;
|
|
|
|
|
|
|
|
for ( child = node->children; child; child = child->next) {
|
|
|
|
floor = child->rng->floor;
|
|
|
|
ceil = child->rng->ceil;
|
|
|
|
|
|
|
|
if ( value_in_range >= floor && value_in_range <= ceil ) {
|
|
|
|
child->counter++;
|
|
|
|
return node->id;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return node->id;
|
|
|
|
}
|
2005-02-24 22:02:31 +00:00
|
|
|
|
|
|
|
extern int create_pivot_node(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
int parent_id) {
|
|
|
|
stat_node* node = new_stat_node(st,name,parent_id,TRUE,TRUE);
|
|
|
|
|
|
|
|
if (node)
|
|
|
|
return node->id;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern int create_pivot_node_with_parent_name(stats_tree* st,
|
|
|
|
const gchar* name,
|
|
|
|
const gchar* parent_name) {
|
|
|
|
int parent_id = get_parent_id_by_name(st,parent_name);
|
|
|
|
stat_node* node;
|
|
|
|
|
|
|
|
node = new_stat_node(st,name,parent_id,TRUE,TRUE);
|
|
|
|
|
|
|
|
if (node)
|
|
|
|
return node->id;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern int tick_pivot(stats_tree* st,
|
|
|
|
int pivot_id,
|
|
|
|
const gchar* pivot_value) {
|
|
|
|
|
|
|
|
stat_node* parent = g_ptr_array_index(st->parents,pivot_id);
|
|
|
|
|
|
|
|
parent->counter++;
|
|
|
|
manip_stat_node( MN_INCREASE, st, pivot_value, pivot_id, FALSE, 1);
|
|
|
|
|
|
|
|
return pivot_id;
|
|
|
|
}
|
|
|
|
|