Hello,
I'm having difficulty with the trees. This is what I have so far: The
items in bold is what I can't get. Any help will be appreciated.
* Geotel Engineering Document 125
* Base Header
* Length 10
* Type: SERVICE_CONTROL
* Header // for SERVICE_CONTROL
* ....
* ....
ged125_item = proto_tree_add_item(tree, proto_ged125, tvb, 0, -1, TRUE);
// displays the protocol name ("Geotel Engineering Document") on the
tree
ged125_tree = proto_item_add_subtree(ged125_item, ett_ged125); //
doesn't display anything further, must set up something
ged125_sub_item = proto_tree_add_item( ged125_tree, hf_ged125_header,
tvb, offset, 8, TRUE ); // makes the "base header" tree
ged125_header_tree = proto_item_add_subtree(ged125_sub_item,
ett_ged125);
length = tvb_get_ntohl(tvb, offset) + EIGHT_BYTES; // first 4 bytes of
header gives entire ged125 packet size but it's always 8 bytes off so I
add it here
proto_tree_add_uint(ged125_header_tree, hf_ged125_length, tvb, offset,
4, length);
offset+=4; //We increment the offset to get past the 4 bytes indicating
length
type = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(ged125_header_tree, hf_ged125_type, tvb, offset, 4,
type); // add the message "Type" to the header tree
-Martin
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