cbdc::raft::state_manager Class Reference

Implementation of nuraft::state_mgr using a file. More...

#include <state_manager.hpp>

Inheritance diagram for cbdc::raft::state_manager:

Collaboration diagram for cbdc::raft::state_manager:

Public Member Functions
	state_manager (int32_t srv_id, std::string log_dir, std::string config_file, std::string state_file, std::vector< network::endpoint_t > raft_endpoints)
	Constructor.
	~state_manager () override=default
	state_manager (const state_manager &other)=delete
auto	operator= (const state_manager &other) -> state_manager &=delete
	state_manager (state_manager &&other) noexcept
auto	operator= (state_manager &&other) noexcept -> state_manager &
auto	load_config () -> nuraft::ptr< nuraft::cluster_config > override
	Read and deserialize the cluster configuration.
void	save_config (const nuraft::cluster_config &config) override
	Serialize and write the given cluster configuration.
void	save_state (const nuraft::srv_state &state) override
	Serialize and write the given server state.
auto	read_state () -> nuraft::ptr< nuraft::srv_state > override
	Read and deserialize the server state.
auto	load_log_store () -> nuraft::ptr< nuraft::log_store > override
	Load and return the log store.
auto	server_id () -> int32_t override
	Return the server ID.
void	system_exit (int exit_code) override
	Terminate the application with the given exit code.

Detailed Description

Implementation of nuraft::state_mgr using a file.

Definition at line 16 of file state_manager.hpp.

Constructor & Destructor Documentation

state_manager() [1/3]

cbdc::raft::state_manager::state_manager	(	int32_t	srv_id,
		std::string	log_dir,
		std::string	config_file,
		std::string	state_file,
		std::vector< network::endpoint_t >	raft_endpoints )

Constructor.

Parameters

srv_id	ID of the raft node.
log_dir	directory for the raft log.
config_file	file for the cluster configuration.
state_file	file for the server state.
raft_endpoints	list of initial node endpoints in the cluster.

Definition at line 16 of file state_manager.cpp.

~state_manager()

cbdc::raft::state_manager::~state_manager ( )

overridedefault

state_manager() [2/3]

cbdc::raft::state_manager::state_manager ( const state_manager & other )

delete

state_manager() [3/3]

cbdc::raft::state_manager::state_manager ( state_manager && other )

noexcept

Member Function Documentation

load_config()

auto cbdc::raft::state_manager::load_config ( ) -> nuraft::ptr<nuraft::cluster_config>

override

Read and deserialize the cluster configuration.

Returns

cluster configuration, or nullptr if the file is empty.

Definition at line 66 of file state_manager.cpp.

References cbdc::raft::load_object().

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load_log_store()

auto cbdc::raft::state_manager::load_log_store ( ) -> nuraft::ptr<nuraft::log_store>

override

Load and return the log store.

Returns

log store instance, or nullptr if loading failed.

Definition at line 101 of file state_manager.cpp.

operator=() [1/2]

auto cbdc::raft::state_manager::operator= ( const state_manager & other ) -> state_manager &=delete

delete

operator=() [2/2]

auto cbdc::raft::state_manager::operator= ( state_manager && other ) -> state_manager &

noexcept

read_state()

auto cbdc::raft::state_manager::read_state ( ) -> nuraft::ptr<nuraft::srv_state>

override

Read and deserialize the server state.

Returns

server state, or nullptr if the file is empty.

Definition at line 96 of file state_manager.cpp.

References cbdc::raft::load_object().

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save_config()

void cbdc::raft::state_manager::save_config ( const nuraft::cluster_config & config )

override

Serialize and write the given cluster configuration.

Parameters

config

cluster configuration.

Definition at line 88 of file state_manager.cpp.

References cbdc::raft::save_object().

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save_state()

void cbdc::raft::state_manager::save_state ( const nuraft::srv_state & state )

override

Serialize and write the given server state.

Parameters

state

server state.

Definition at line 92 of file state_manager.cpp.

References cbdc::raft::save_object().

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server_id()

auto cbdc::raft::state_manager::server_id ( ) -> int32_t

override

Return the server ID.

Returns

server ID.

Definition at line 110 of file state_manager.cpp.

system_exit()

void cbdc::raft::state_manager::system_exit ( int exit_code )

override

Terminate the application with the given exit code.

Parameters

exit_code

application return code.

Definition at line 114 of file state_manager.cpp.

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The documentation for this class was generated from the following files:

• state_manager.hpp
• state_manager.cpp