Hi,
On Wed, Feb 18, 2009 at 07:55:02PM +0100, wsgd wrote:
> The possibility to make a Display filter on 'expert data' seems very
> good to me.
> It could permits to see all packets where there is an error (or ...).
> Seems an important feature to me.
>
> But, I think it does not exist.
I do some work on it, in attachment initial version :)
> So, "gg.unknown" is the way to do.
> Same way to do into packet-tcp.c : "hf_tcp_checksum_bad" ...
>
> Note that you can filter using "gg.unknown" without any value (if you
> add your "unknown" field only "when something unknown happens").
I didn't know about that, thanks!
Index: epan/expert.c
===================================================================
--- epan/expert.c (wersja 27532)
+++ epan/expert.c (kopia robocza)
@@ -36,9 +36,15 @@
static int expert_tap = -1;
+static int proto_expert = -1;
static int highest_severity = 0;
+static int ett_expert = -1;
+static int ett_subexpert = -1;
+static int hf_expert_group = -1;
+static int hf_expert_severity = -1;
+
const value_string expert_group_vals[] = {
{ PI_CHECKSUM, "Checksum" },
{ PI_SEQUENCE, "Sequence" },
@@ -65,10 +71,30 @@
void
expert_init(void)
{
+ static hf_register_info hf[] = {
+ { &hf_expert_group,
+ { "Group", "expert.group", FT_UINT32, BASE_HEX,
VALS(expert_group_vals), 0/* PI_GROUP_MASK */, "Wireshark expert group", HFILL }
+ },
+ { &hf_expert_severity,
+ { "Severity level", "expert.severity", FT_UINT32,
BASE_HEX, VALS(expert_severity_vals), 0/* PI_SEVERITY_MASK */, "Wireshark
expert severity level", HFILL }
+ }
+ };
+ static gint *ett[] = {
+ &ett_expert,
+ &ett_subexpert
+ };
+
if(expert_tap == -1) {
expert_tap = register_tap("expert");
}
+ if (proto_expert == -1) {
+ proto_expert = proto_register_protocol("Expert Info", "Expert",
"expert");
+ proto_register_field_array(proto_expert, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ proto_set_cant_toggle(proto_expert);
+ }
+
highest_severity = 0;
}
@@ -100,7 +126,22 @@
}
}
+static proto_tree*
+expert_create_tree(proto_item *pi, int group, int severity)
+{
+ proto_tree *tree;
+ proto_item *ti;
+ tree = proto_item_add_subtree(pi, ett_expert);
+ /* ti = proto_tree_add_item(tree, proto_expert, NULL, 0, 0, FALSE); */
+ ti = proto_tree_add_protocol_format(tree, proto_expert, NULL, 0, 0,
"Expert Info (%s/%s)",
+ val_to_str(severity, expert_severity_vals, "?%u?"),
+ val_to_str(group, expert_group_vals, "?%u?"));
+
+ /* another subtree? */
+ return proto_item_add_subtree(ti, ett_subexpert);
+}
+
static void
expert_set_info_vformat(
packet_info *pinfo, proto_item *pi, int group, int severity, const char
*format, va_list ap)
@@ -108,6 +149,7 @@
int ret; /*tmp return value */
char formatted[300];
expert_info_t *ei;
+ proto_tree *tree;
/* if this packet isn't loaded because of a read filter, don't output
anything */
@@ -132,6 +174,10 @@
ei->summary = ep_strdup(formatted);
ei->pitem = NULL;
+ tree = expert_create_tree(pi, group, severity);
+ proto_tree_add_uint(tree, hf_expert_severity, NULL, 0, 0, severity);
+ proto_tree_add_uint(tree, hf_expert_group, NULL, 0, 0, group);
+
/* if we have a proto_item (not a faked item), set expert attributes to
it */
if(pi != NULL && pi->finfo != NULL) {
ei->pitem = pi;
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