2 * implementor's API for stats_tree
3 * 2005, Luis E. G. Ontanon
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #ifndef __STATS_TREE_PRIV_H
27 #define __STATS_TREE_PRIV_H
29 #include "stats_tree.h"
32 #define NUM_BUF_SIZE 32
34 /* implementations should define this to contain its own node related data
35 * as well as some operations on it */
36 typedef struct _st_node_pres st_node_pres;
38 /* implementations should define this to contain its own tree related data
39 * as well as some operations on it */
40 typedef struct _tree_pres tree_pres;
42 typedef struct _stat_node stat_node;
45 typedef struct _range_pair {
54 /* the counter it keeps */
57 /* children nodes by name */
60 /* the owner of this node */
68 /* used to check if value is within range */
71 /* node presentation data */
79 /* is this realy needed? */
87 /* used to lookup named parents:
88 * key: parent node name
93 /* used for quicker lookups of parent nodes */
96 /* every tree in nature has one */
99 /* dissector defined callbacks */
100 stat_tree_packet_cb packet;
101 stat_tree_init_cb init;
103 /**** tree representation
104 * to be defined (if needed) by the implementations
108 /* node presentation callbacks
111 /* last to be called at node creation */
112 void (*setup_node_pr)(stat_node*);
114 /* last to be called at node destruction */
115 void (*free_node_pr)(stat_node*);
117 /* to be called for every node in the tree */
118 void (*draw_node)(stat_node*);
119 void (*reset_node)(stat_node*);
121 /* tree presentation callbacks */
123 tree_pres* (*new_tree_pr)(stats_tree*);
124 void (*free_tree_pr)(stats_tree*);
125 void (*draw_tree)(stats_tree*);
126 void (*reset_tree)(stats_tree*);
129 /* guess what, this is it! */
130 extern void stats_tree_presentation(void (*registry_iterator)(gpointer,gpointer,gpointer),
131 void (*setup_node_pr)(stat_node*),
132 void (*free_node_pr)(stat_node*),
133 void (*draw_node)(stat_node*),
134 void (*reset_node)(stat_node*),
135 tree_pres* (*new_tree_pr)(stats_tree*),
136 void (*free_tree_pr)(stats_tree*),
137 void (*draw_tree)(stats_tree*),
138 void (*reset_tree)(stats_tree*),
141 /* callback for taps */
142 extern int stats_tree_packet(void*, packet_info*, epan_dissect_t*, const void *);
144 /* callback for reset */
145 extern void reset_stats_tree(void*);
147 /* callback for destoy */
148 extern void free_stats_tree(stats_tree* st);
150 /* given an optarg splits the abbr part
151 and returns a newly allocated buffer containing it */
152 extern guint8* get_st_abbr(const guint8* optarg);
154 /* obtains a stats tree from the registry given its abbr */
155 extern stats_tree* get_stats_tree_by_abbr(guint8* abbr);
157 /* extracts node data as strings from a stat_node into
158 the buffers given by value, rate and precent
159 if NULL they are ignored */
160 extern void get_strings_from_node(const stat_node* node,
165 /* populates the given GString with a tree representation of a branch given by node,
166 using indent spaces as indentation */
167 extern void stat_branch_to_str(const stat_node* node,
171 /* a text representation of a node,
172 if buffer is NULL returns a newly allocated string */
173 extern guint8* stat_node_to_str(const stat_node* node,
174 guint8* buffer, guint len);
176 /* destroys the stats_tree */
177 extern void free_stats_tree(stats_tree* st);
179 #endif /* __STATS_TREE_PRIV_H */