forked from basho-labs/luwak
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
sha1 checksumming of latest write, and a one off checksum for the who…
…le file contents
- Loading branch information
Cliff Moon
committed
May 31, 2010
1 parent
d265e75
commit a790f15
Showing
7 changed files
with
91 additions
and
17 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,14 @@ | ||
-module(luwak_checksum). | ||
|
||
-export([sha1/2]). | ||
|
||
sha1(Riak, File) -> | ||
Length = luwak_file:length(Riak, File), | ||
sha1_int(crypto:sha_init(), luwak_get_stream:start(Riak, File, 0, Length)). | ||
|
||
sha1_int(Ctx, GetStream) -> | ||
case luwak_get_stream:recv(GetStream, 1000) of | ||
{error, timeout} -> {error, timeout}; | ||
eos -> crypto:sha_final(Ctx); | ||
{Data, _} -> sha1_int(crypto:sha_update(Ctx,Data),GetStream) | ||
end. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,21 @@ | ||
-module(luwak_checksum_tests). | ||
|
||
-include_lib("eunit/include/eunit.hrl"). | ||
|
||
one_off_checksum_test() -> | ||
test_helper:riak_test(fun(Riak) -> | ||
Sha = crypto:sha(<<"chilled monkey brains">>), | ||
{ok, File} = luwak_file:create(Riak, <<"file1">>, [{tree_order,2},{block_size,2}], dict:new()), | ||
{ok, _, File1} = luwak_io:put_range(Riak, File, 0, <<"chilled monkey brains">>), | ||
timer:sleep(100), | ||
Checksum = luwak_checksum:sha1(Riak, File1), | ||
?assertEqual(Sha, Checksum) | ||
end). | ||
|
||
do_a_simple_checksum_test() -> | ||
test_helper:riak_test(fun(Riak) -> | ||
Sha = crypto:sha(<<"chilled monkey brains">>), | ||
{ok, File} = luwak_file:create(Riak, <<"file1">>, [{checksumming,true}], dict:new()), | ||
{ok, _, File1} = luwak_io:put_range(Riak, File, 0, <<"chilled monkey brains">>), | ||
?assertEqual({sha1,Sha}, luwak_file:get_property(File1,checksum)) | ||
end). |