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WSDG: update protocol stats section to match current API 

As proposed by Olivier Aveline
This commit is contained in:
Jaap Keuter 2020-12-23 14:33:28 +01:00
parent f75e2e5956
commit 2104b79479
1 changed files with 6 additions and 4 deletions
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10
docbook/wsdg_src/WSDG_chapter_dissection.adoc
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@ -1096,6 +1096,8 @@ Here is a mechanism to produce statistics from the above TAP interface.
.Initialising a stats interface
[source,c]
----
#include <epan/stats_tree.h>
/* register all http trees */
static void register_foo_stat_trees(void) {
stats_tree_register_plugin("foo", "foo", "Foo/Packet Types", 0,
@ -1141,7 +1143,7 @@ static int st_node_packet_types = -1;
static void foo_stats_tree_init(stats_tree* st)
{
st_node_packets = stats_tree_create_node(st, st_str_packets, 0, TRUE);
st_node_packets = stats_tree_create_node(st, st_str_packets, 0, STAT_DT_INT, TRUE);
st_node_packet_types = stats_tree_create_pivot(st, st_str_packet_types, st_node_packets);
}
----
@ -1154,13 +1156,13 @@ different packet types.
.Generating the stats
[source,c]
----
static int foo_stats_tree_packet(stats_tree* st, packet_info* pinfo, epan_dissect_t* edt, const void* p)
static tap_packet_status foo_stats_tree_packet(stats_tree* st, packet_info* pinfo, epan_dissect_t* edt, const void* p)
{
struct FooTap *pi = (struct FooTap *)p;
tick_stat_node(st, st_str_packets, 0, FALSE);
stats_tree_tick_pivot(st, st_node_packet_types,
val_to_str(pi->packet_type, msgtypevalues, "Unknown packet type (%d)"));
return 1;
val_to_str(pi->packet_type, packettypenames, "Unknown packet type (%d)"));
return TAP_PACKET_REDRAW;
}
----