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streaming mode would create separate grpc connections for each call. this is to ensure the long poll connections are properly closed.
110 lines
3.5 KiB
Go
110 lines
3.5 KiB
Go
package command
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import (
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"context"
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"fmt"
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"time"
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"google.golang.org/grpc/reflection"
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"github.com/chrislusf/seaweedfs/weed/util/grace"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/messaging/broker"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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var (
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messageBrokerStandaloneOptions MessageBrokerOptions
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)
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type MessageBrokerOptions struct {
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filer *string
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ip *string
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port *int
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cpuprofile *string
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memprofile *string
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}
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func init() {
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cmdMsgBroker.Run = runMsgBroker // break init cycle
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messageBrokerStandaloneOptions.filer = cmdMsgBroker.Flag.String("filer", "localhost:8888", "filer server address")
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messageBrokerStandaloneOptions.ip = cmdMsgBroker.Flag.String("ip", util.DetectedHostAddress(), "broker host address")
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messageBrokerStandaloneOptions.port = cmdMsgBroker.Flag.Int("port", 17777, "broker gRPC listen port")
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messageBrokerStandaloneOptions.cpuprofile = cmdMsgBroker.Flag.String("cpuprofile", "", "cpu profile output file")
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messageBrokerStandaloneOptions.memprofile = cmdMsgBroker.Flag.String("memprofile", "", "memory profile output file")
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}
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var cmdMsgBroker = &Command{
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UsageLine: "msgBroker [-port=17777] [-filer=<ip:port>]",
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Short: "start a message queue broker",
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Long: `start a message queue broker
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The broker can accept gRPC calls to write or read messages. The messages are stored via filer.
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The brokers are stateless. To scale up, just add more brokers.
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`,
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}
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func runMsgBroker(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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return messageBrokerStandaloneOptions.startQueueServer()
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}
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func (msgBrokerOpt *MessageBrokerOptions) startQueueServer() bool {
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grace.SetupProfiling(*messageBrokerStandaloneOptions.cpuprofile, *messageBrokerStandaloneOptions.memprofile)
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filerAddress := pb.ServerAddress(*msgBrokerOpt.filer)
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grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.msg_broker")
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cipher := false
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for {
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err := pb.WithGrpcFilerClient(false, filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
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resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get filer %s configuration: %v", filerAddress, err)
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}
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cipher = resp.Cipher
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return nil
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})
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if err != nil {
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glog.V(0).Infof("wait to connect to filer %s grpc address %s", *msgBrokerOpt.filer, filerAddress.ToGrpcAddress())
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time.Sleep(time.Second)
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} else {
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glog.V(0).Infof("connected to filer %s grpc address %s", *msgBrokerOpt.filer, filerAddress.ToGrpcAddress())
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break
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}
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}
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qs, err := broker.NewMessageBroker(&broker.MessageBrokerOption{
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Filers: []pb.ServerAddress{filerAddress},
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DefaultReplication: "",
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MaxMB: 0,
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Ip: *msgBrokerOpt.ip,
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Port: *msgBrokerOpt.port,
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Cipher: cipher,
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}, grpcDialOption)
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// start grpc listener
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grpcL, err := util.NewListener(util.JoinHostPort("", *msgBrokerOpt.port), 0)
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if err != nil {
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glog.Fatalf("failed to listen on grpc port %d: %v", *msgBrokerOpt.port, err)
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}
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.msg_broker"))
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messaging_pb.RegisterSeaweedMessagingServer(grpcS, qs)
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reflection.Register(grpcS)
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grpcS.Serve(grpcL)
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return true
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}
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