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Regenerate checksum when chunks are to be sliced

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UENISHI Kota 2015-10-23 17:33:08 +09:00
parent 5fd225bcdb
commit c5661571e3
1 changed files with 6 additions and 2 deletions
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8
src/machi_cr_client.erl
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@ -934,7 +934,9 @@ trim_both_side([{F, Offset, Chunk, _Csum}|L], LeftPos, RightPos)
when Offset < LeftPos andalso LeftPos < RightPos ->
TrashLen = 8 * (LeftPos - Offset),
<<_:TrashLen/binary, NewChunk/binary>> = Chunk,
NewH = {F, LeftPos, NewChunk, <<>>},
%% CR Client is client or server?
NewChecksum = machi_util:make_tagged_csum(client_sha, Chunk),
NewH = {F, LeftPos, NewChunk, NewChecksum},
trim_both_side([NewH|L], LeftPos, RightPos);
trim_both_side(Chunks, LeftPos, RightPos) when LeftPos =< RightPos ->
%% TODO: optimize
@ -943,7 +945,9 @@ trim_both_side(Chunks, LeftPos, RightPos) when LeftPos =< RightPos ->
if RightPos < Offset + Size ->
NewSize = RightPos - Offset,
<<NewChunk:NewSize/binary, _/binary>> = Chunk,
lists:reverse([{F, Offset, NewChunk, <<>>}|L]);
%% CR Client is client or server?
NewChecksum = machi_util:make_tagged_csum(client_sha, Chunk),
lists:reverse([{F, Offset, NewChunk, NewChecksum}|L]);
true ->
Chunks
end.