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%% Copyright (c) 2007-2014 Basho Technologies, Inc.  All Rights Reserved.
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%% This file is provided to you under the Apache License,
%% 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 pv1_csum()      :: binary().
-type pv1_epoch()     :: {pv1_epoch_n(), pv1_csum()}.
-type pv1_epoch_n()   :: non_neg_integer().
-type pv1_server()    :: atom() | binary().
-type pv1_timestamp() :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}.

-record(projection_v1, {
          epoch_number    :: pv1_epoch_n(),
          epoch_csum      :: pv1_csum(),
          all_members     :: [pv1_server()],
          member_dict     :: orddict:orddict(),
          down            :: [pv1_server()],
          creation_time   :: pv1_timestamp(),
          author_server   :: pv1_server(),
          upi             :: [pv1_server()],
          repairing       :: [pv1_server()],
          dbg             :: list(), %proplist(), is checksummed
          dbg2            :: list()  %proplist(), is not checksummed
         }).

-define(MACHI_DEFAULT_TCP_PORT, 50000).

-record(p_srvr, {
          name            :: pv1_server(),
          proto = 'ipv4'  :: 'ipv4' | 'disterl', % disterl? Hrm.
          address         :: term(), % Protocol-specific
          port            :: term(), % Protocol-specific
          props = []      :: list()  % proplist for other related info
         }).

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