machi/include/machi_projection.hrl

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%%
%% Copyright (c) 2007-2014 Basho Technologies, Inc.  All Rights Reserved.
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%% Version 2.0 (the "License"); you may not use this file
%% except in compliance with the License.  You may obtain
%% a copy of the License at
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%%   http://www.apache.org/licenses/LICENSE-2.0
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%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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%% -------------------------------------------------------------------

-type m_csum()      :: {none | sha1 | sha1_excl_final_20, binary()}.
%% -type m_epoch()     :: {m_epoch_n(), m_csum()}.
-type m_epoch_n()   :: non_neg_integer().
-type m_server()    :: atom().
-type timestamp()   :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}.

-record(projection, {
            epoch_number    :: m_epoch_n(),
            epoch_csum      :: m_csum(),
            all_members     :: [m_server()],
            down            :: [m_server()],
            creation_time   :: timestamp(),
            author_server   :: m_server(),
            upi             :: [m_server()],
            repairing       :: [m_server()],
            dbg             :: list(), %proplist(), is checksummed
            dbg2            :: list()  %proplist(), is not checksummed
        }).

-define(SHA_MAX, (1 bsl (20*8))).