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https://github.com/status-im/nim-raft.git
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64 lines
2.5 KiB
Nim
64 lines
2.5 KiB
Nim
# nim-raft
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# Copyright (c) 2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import types, protocol, log_ops
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proc RaftNodeStartElection*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType]) =
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var
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votesFuts: seq[Future[void]]
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node.state = rnsCandidate
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for p in node.peers:
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p.votedFor = DefaultUUID
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node.votedFor = node.id
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for peer in node.peers:
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votesFuts.add(node.msgSendCallback(
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RaftMessageRequestVote(lastLogTerm: RaftNodeLogEntry(RaftNodeLogIndexGet(node)).term, lastLogIndex: RaftNodeLogIndexGet(node), senderTerm: node.currentTerm)
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)
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)
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# Process votes
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for voteFut in votesFuts:
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await voteFut
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if voteFut.finished and not voteFut.failed:
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for p in node.peers:
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if p.id == voteFut.senderId:
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if voteFut.granted:
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p.votedFor = node.id
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else:
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if voteFut.votedFor.initialized:
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p.votedFor = voteFut.votedFor
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proc RaftNodeAbortElection*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType]) =
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discard
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proc RaftNodeProcessRequestVote*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType], msg: RaftMessageRequestVote): Future[RaftMessageRequestVoteResponse] =
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if msg.senderTerm > node.term:
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if msg.lastLogIndex >= RaftNodeLogIndexGet(node) and msg.lastLogTerm >= RaftNodeLogEntryGet(RaftNodeLogIndexGet(node)).term:
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# grant vote
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discard
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proc RaftNodeProcessAppendEntries*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType], msg: RaftMessageAppendEntries): Future[RaftMessageAppendEntriesResponse] =
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discard
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proc RaftNodeQuorumMin[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType]): bool =
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discard
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proc RaftNodeReplicateSmCommand*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType], cmd: SmCommandType) =
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discard
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proc RaftNodeScheduleRequestVotesCleanUpTimeout*[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType]) =
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discard
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proc RaftNodeLogAppend[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType], logEntry: RaftNodeLogEntry[SmCommandType]) =
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discard
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proc RaftNodeLogTruncate[SmCommandType, SmStateType](node: RaftNode[SmCommandType, SmStateType], truncateIndex: uint64) =
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discard |