6#ifndef OPENCBDC_TX_SRC_PARSEC_TICKET_MACHINE_STATE_MACHINE_H_
7#define OPENCBDC_TX_SRC_PARSEC_TICKET_MACHINE_STATE_MACHINE_H_
14#include <libnuraft/nuraft.hxx>
19 :
public nuraft::state_machine,
23 nuraft::ptr<nuraft::buffer>> {
37 auto commit(uint64_t log_idx, nuraft::buffer& data)
38 -> nuraft::ptr<nuraft::buffer>
override;
46 auto last_snapshot() -> nuraft::ptr<nuraft::snapshot>
override;
55 nuraft::async_result<bool>::handler_type& )
61 std::atomic<uint64_t> m_last_committed_idx{0};
63 std::unique_ptr<impl> m_ticket_machine{};
65 std::shared_ptr<logging::log> m_logger;
NuRaft state machine implementation for a replicated ticket machine.
auto commit(uint64_t log_idx, nuraft::buffer &data) -> nuraft::ptr< nuraft::buffer > override
Commit the given raft log entry at the given log index, and return the result.
void create_snapshot(nuraft::snapshot &, nuraft::async_result< bool >::handler_type &) override
Not implemented for ticket machine.
auto apply_snapshot(nuraft::snapshot &) -> bool override
Not implemented for ticket machine.
state_machine(std::shared_ptr< logging::log > logger, ticket_number_type batch_size)
Constructor.
auto last_commit_index() -> uint64_t override
Returns the most recently committed log entry index.
auto last_snapshot() -> nuraft::ptr< nuraft::snapshot > override
Not implemented for ticket machine.
Generic synchronous RPC server.
std::variant< std::monostate > request
Ticket machine RPC request type.
interface::get_ticket_number_return_type response
Ticket machine RPC response type.
uint64_t ticket_number_type
Type alias for a ticket number.