Represent a participant in a replicating group.

Log identifier

A set of peers.

Status of a peer

A simple cache to temporaryly store out-of-order AppendEntries requests.

Implements Closure which encloses RPC stuff

Implements example::AtomicService if you are using brpc.

Implements Closure which encloses RPC stuff

Implements example::BlockService if you are using brpc.

Raft-specific closure which encloses a butil::Status to report if the operation was successful.

Holding the closure waiting for the commitment of logs

Manager the history of configuration changing

Specialized structure to record counter. It's not a Variable, but it contains multiple bvar inside.

For mimic constructor inheritance.

Implements example::CounterService if you are using brpc.

DirReader iterates a directory to get sub directories and files, `.' and `..' should be ignored

Describe a specific error

Implements Closure which encloses RPC stuff

Abstract class to read data from a file All the const method should be thread safe

unsequence file data, reduce the overhead of copy some files have hole.