On 02/06/2013 01:08 PM, Ilya Shvetsov wrote: > Hi, there. > > Thank you guys for greate product. > > I successuly wrote my dissector and few days ago found failure in it. > > I have next situatioin: > I dissect last packet in some sequence and get new tvbuffer from > > process_reassembled_data > > Next step i do is parsing of this new tvbuffer. > I parse it and add new items to tree under my protocol item. > > And this is a place where problem is. > I parse new tvbuff from begin, this means that offset is ZERO, > tvbuff it self has raw_offset == -1 > > When I parse, i do not know a length of element, so i add item to tree and > later > call > > proto_item_set_end > > to set end of element in data buffer. if element, which i have read, has quite > big size, then all works fine. if it has small size, then i get assert from > proto_item_set_end. > > It's turned out that every item in tree has 'finfo', which contains filed > 'start'. For me this start is usually 28. if my first item in reassebled > tvbuff > is less then 28, i get assert. > > As I can see, the problem happens because all items in tree has 'finfo' field > from parent (not reassebled) tvbuff. > > So, what i have to do to fix this? how to add items from new tvbuff correctly > ? > > I use wireshark 1.8.5 on Windows 7 > -- > With best regards > Ilya 'Akhil' Shvetsov >
Hi, Try calling proto_tree_set_visible(tree, TRUE); before you create the item you want to call proto_item_set_end() on. See packet-jxta.c for example. Thanks, Jaap ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe
