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Properly defined timeouts and max cluster size

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This commit is contained in:
Pavel Kirienko
2015-05-08 12:29:28 +03:00
parent a1ee2efea0
commit 1a640e6763
5 changed files with 50 additions and 31 deletions
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libuavcan/include/uavcan/protocol/dynamic_node_id_allocation_server.hpp
+19 -11
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@@ -475,6 +475,12 @@ class RaftCore : private TimerBase
{ }
};
/*
* Constants
*/
const MonotonicDuration update_interval_; ///< AE requests will be issued at this rate
const MonotonicDuration base_activity_timeout_;
IDynamicNodeIDAllocationServerEventTracer& tracer_;
/*
@@ -501,21 +507,17 @@ class RaftCore : private TimerBase
ServiceServer<RequestVote, RequestVoteCallback> request_vote_srv_;
ServiceClient<RequestVote, RequestVoteResponseCallback> request_vote_client_;
/**
* This constant defines the rate at which internal state updates happen.
* It also defines timeouts for AppendEntries and RequestVote RPCs.
*/
static MonotonicDuration getUpdateInterval() { return MonotonicDuration::fromMSec(100); }
void trace(TraceEvent event, int64_t argument) { tracer_.onEvent(event, argument); }
INode& getNode() { return append_entries_srv_.getNode(); }
INode& getNode() { return append_entries_srv_.getNode(); }
const INode& getNode() const { return append_entries_srv_.getNode(); }
void registerActivity() { last_activity_timestamp_ = getNode().getMonotonicTime(); }
bool isActivityTimedOut() const;
void updateFollower(const MonotonicTime& current_time);
void updateCandidate(const MonotonicTime& current_time);
void updateLeader(const MonotonicTime& current_time);
void updateFollower();
void updateCandidate();
void updateLeader();
void switchState(ServerState new_state);
void setActiveMode(bool new_active);
@@ -537,8 +539,14 @@ class RaftCore : private TimerBase
virtual void handleTimerEvent(const TimerEvent& event);
public:
RaftCore(INode& node, IDynamicNodeIDStorageBackend& storage, IDynamicNodeIDAllocationServerEventTracer& tracer)
RaftCore(INode& node, IDynamicNodeIDStorageBackend& storage, IDynamicNodeIDAllocationServerEventTracer& tracer,
MonotonicDuration update_interval =
MonotonicDuration::fromMSec(AppendEntries::Request::DEFAULT_REQUEST_TIMEOUT_MS),
MonotonicDuration base_activity_timeout =
MonotonicDuration::fromMSec(AppendEntries::Request::DEFAULT_BASE_ELECTION_TIMEOUT_MS))
: TimerBase(node)
, update_interval_(update_interval)
, base_activity_timeout_(base_activity_timeout)
, tracer_(tracer)
, persistent_state_(storage, tracer)
, cluster_(node, storage, persistent_state_.getLog(), tracer)