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/* stats_tree_priv.h
* implementor's API for stats_tree
* 2005, Luis E. G. Ontanon
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*/
#ifndef __STATS_TREE_PRIV_H
#define __STATS_TREE_PRIV_H
#include "stats_tree.h"
#define INDENT_MAX 32
#define NUM_BUF_SIZE 32
/* implementations should define this to contain its own node related data
* as well as some operations on it */
typedef struct _st_node_pres st_node_pres;
/* implementations should define this to contain its own tree related data
* as well as some operations on it */
typedef struct _tree_pres tree_pres;
typedef struct _stat_node stat_node;
typedef struct _range_pair {
gint floor;
gint ceil;
} range_pair_t;
struct _stat_node {
gchar* name;
int id;
/* the counter it keeps */
gint counter;
/* children nodes by name */
GHashTable* hash;
/* the owner of this node */
stats_tree* st;
/* relatives */
stat_node* parent;
stat_node* children;
stat_node* next;
/* used to check if value is within range */
range_pair_t* rng;
/* node presentation data */
st_node_pres* pr;
} ;
struct _stats_tree {
guint8* abbr;
guint8* name;
guint8* tapname;
char* filter;
/* times */
float start;
float elapsed;
/* used to lookup named parents:
* key: parent node name
* value: parent node
*/
GHashTable* names;
/* used for quicker lookups of parent nodes */
GPtrArray* parents;
/* every tree in nature has one */
stat_node root;
/* dissector defined callbacks */
stat_tree_packet_cb packet;
stat_tree_init_cb init;
/**** tree representation
* to be defined (if needed) by the implementations
*/
tree_pres* pr;
/* node presentation callbacks
*/
/* last to be called at node creation */
void (*setup_node_pr)(stat_node*);
/* last to be called at node destruction */
void (*free_node_pr)(stat_node*);
/* to be called for every node in the tree */
void (*draw_node)(stat_node*);
void (*reset_node)(stat_node*);
/* tree presentation callbacks */
tree_pres* (*new_tree_pr)(stats_tree*);
void (*free_tree_pr)(stats_tree*);
void (*draw_tree)(stats_tree*);
void (*reset_tree)(stats_tree*);
};
/* guess what, this is it! */
extern void stats_tree_presentation(void (*registry_iterator)(gpointer,gpointer,gpointer),
void (*setup_node_pr)(stat_node*),
void (*free_node_pr)(stat_node*),
void (*draw_node)(stat_node*),
void (*reset_node)(stat_node*),
tree_pres* (*new_tree_pr)(stats_tree*),
void (*free_tree_pr)(stats_tree*),
void (*draw_tree)(stats_tree*),
void (*reset_tree)(stats_tree*),
void* data);
/* callback for taps */
extern int stats_tree_packet(void*, packet_info*, epan_dissect_t*, const void *);
/* callback for reset */
extern void reset_stats_tree(void* p_st);
/* callback for clear */
extern void reinit_stats_tree(void* p_st);
/* callback for destoy */
extern void free_stats_tree(stats_tree* st);
/* given an optarg splits the abbr part
and returns a newly allocated buffer containing it */
extern guint8* get_st_abbr(const guint8* optarg);
/* obtains a stats tree from the registry given its abbr */
extern stats_tree* get_stats_tree_by_abbr(guint8* abbr);
/* extracts node data as strings from a stat_node into
the buffers given by value, rate and precent
if NULL they are ignored */
extern void get_strings_from_node(const stat_node* node,
guint8* value,
guint8* rate,
guint8* percent);
/* populates the given GString with a tree representation of a branch given by node,
using indent spaces as indentation */
extern void stat_branch_to_str(const stat_node* node,
GString* s,
guint indent);
/* used to calcuate the size of the indentation and the longest string */
extern guint stats_branch_max_name_len(const stat_node* node, guint indent);
/* a text representation of a node,
if buffer is NULL returns a newly allocated string */
extern guint8* stat_node_to_str(const stat_node* node,
guint8* buffer, guint len);
/* destroys the stats_tree */
extern void free_stats_tree(stats_tree* st);
#endif /* __STATS_TREE_PRIV_H */
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