/
server.go
119 lines (99 loc) · 2.84 KB
/
server.go
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package remote
import (
"fmt"
"io/ioutil"
"net"
"time"
"github.com/AsynkronIT/protoactor-go/extensions"
"github.com/AsynkronIT/protoactor-go/actor"
"github.com/AsynkronIT/protoactor-go/log"
"google.golang.org/grpc"
"google.golang.org/grpc/grpclog"
)
var extensionId = extensions.NextExtensionId()
type Remote struct {
actorSystem *actor.ActorSystem
s *grpc.Server
edpReader *endpointReader
edpManager *endpointManager
config *Config
nameLookup map[string]actor.Props
activatorPid *actor.PID
blocklist *BlockList
}
func NewRemote(actorSystem *actor.ActorSystem, config Config) *Remote {
r := &Remote{
actorSystem: actorSystem,
config: &config,
nameLookup: make(map[string]actor.Props),
}
actorSystem.Extensions.Register(r)
return r
}
func GetRemote(actorSystem *actor.ActorSystem) *Remote {
r := actorSystem.Extensions.Get(extensionId)
return r.(*Remote)
}
func (r *Remote) Id() extensions.ExtensionId {
return extensionId
}
func (r *Remote) BlockList() *BlockList { return r.blocklist }
// Start the remote server
func (r *Remote) Start() {
grpclog.SetLoggerV2(grpclog.NewLoggerV2(ioutil.Discard, ioutil.Discard, ioutil.Discard))
lis, err := net.Listen("tcp", r.config.Address())
if err != nil {
panic(fmt.Errorf("failed to listen: %v", err))
}
var address string
if r.config.AdvertisedHost != "" {
address = r.config.AdvertisedHost
} else {
address = lis.Addr().String()
}
// r.actorSystem.ProcessRegistry.RegisterAddressResolver(remoteHandler)
r.actorSystem.ProcessRegistry.RegisterAddressResolver(r.remoteHandler)
r.actorSystem.ProcessRegistry.Address = address
r.edpManager = newEndpointManager(r)
r.edpManager.start()
r.s = grpc.NewServer(r.config.ServerOptions...)
r.edpReader = newEndpointReader(r)
RegisterRemotingServer(r.s, r.edpReader)
plog.Info("Starting Proto.Actor server", log.String("address", address))
go r.s.Serve(lis)
}
func (r *Remote) Shutdown(graceful bool) {
if graceful {
// TODO: need more graceful
r.edpReader.suspend(true)
r.edpManager.stop()
// For some reason GRPC doesn't want to stop
// Setup timeout as workaround but need to figure out in the future.
// TODO: grpc not stopping
c := make(chan bool, 1)
go func() {
r.s.GracefulStop()
c <- true
}()
select {
case <-c:
plog.Info("Stopped Proto.Actor server")
case <-time.After(time.Second * 10):
r.s.Stop()
plog.Info("Stopped Proto.Actor server", log.String("err", "timeout"))
}
} else {
r.s.Stop()
plog.Info("Killed Proto.Actor server")
}
}
func (r *Remote) SendMessage(pid *actor.PID, header actor.ReadonlyMessageHeader, message interface{}, sender *actor.PID, serializerID int32) {
rd := &remoteDeliver{
header: header,
message: message,
sender: sender,
target: pid,
serializerID: serializerID,
}
r.edpManager.remoteDeliver(rd)
}