/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef _TD_LIBS_SYNC_TIMEOUT_H #define _TD_LIBS_SYNC_TIMEOUT_H #ifdef __cplusplus extern "C" { #endif #include #include #include #include "syncInt.h" #include "syncMessage.h" #include "taosdef.h" // TLA+ Spec // Timeout(i) == /\ state[i] \in {Follower, Candidate} // /\ state' = [state EXCEPT ![i] = Candidate] // /\ currentTerm' = [currentTerm EXCEPT ![i] = currentTerm[i] + 1] // \* Most implementations would probably just set the local vote // \* atomically, but messaging localhost for it is weaker. // /\ votedFor' = [votedFor EXCEPT ![i] = Nil] // /\ votesResponded' = [votesResponded EXCEPT ![i] = {}] // /\ votesGranted' = [votesGranted EXCEPT ![i] = {}] // /\ voterLog' = [voterLog EXCEPT ![i] = [j \in {} |-> <<>>]] // /\ UNCHANGED <> // int32_t syncNodeOnTimeoutCb(SSyncNode* ths, SyncTimeout* pMsg); #ifdef __cplusplus } #endif #endif /*_TD_LIBS_SYNC_TIMEOUT_H*/