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transport.go
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transport.go
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// Package transport provides a Transport for github.com/hashicorp/raft over gRPC.
package transport
import (
"sync"
pb "github.com/Kapperchino/jet-stream/transport/proto/proto"
"github.com/hashicorp/raft"
"google.golang.org/grpc"
)
type Manager struct {
localAddress raft.ServerAddress
dialOptions []grpc.DialOption
rpcChan chan raft.RPC
heartbeatFunc func(raft.RPC)
heartbeatFuncMtx sync.Mutex
connectionsMtx sync.Mutex
connections map[raft.ServerID]*conn
}
// New creates both components of raft-grpc-transport: a gRPC service and a Raft Transport.
func New(localAddress raft.ServerAddress, dialOptions []grpc.DialOption) *Manager {
return &Manager{
localAddress: localAddress,
dialOptions: dialOptions,
rpcChan: make(chan raft.RPC),
connections: map[raft.ServerID]*conn{},
}
}
// Register the RaftTransport gRPC service on a gRPC server.
func (m *Manager) Register(s *grpc.Server) {
pb.RegisterRaftTransportServer(s, gRPCAPI{manager: m})
}
// Transport returns a raft.Transport that communicates over gRPC.
func (m *Manager) Transport() raft.Transport {
return raftAPI{m}
}