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refactor grpc API

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This commit is contained in:
Chris Lu 2021-11-05 18:11:40 -07:00
parent 5ea86ef1da
commit 4b9c42996a
4 changed files with 1008 additions and 818 deletions
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14
weed/pb/master.proto
View file

@ -9,7 +9,7 @@ option go_package = "github.com/chrislusf/seaweedfs/weed/pb/master_pb";
service Seaweed {
rpc SendHeartbeat (stream Heartbeat) returns (stream HeartbeatResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream VolumeLocation) {
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
}
@ -142,6 +142,18 @@ message VolumeLocation {
uint32 grpc_port = 7;
}
message ClusterNodeUpdate {
string node_type = 1;
string address = 2;
bool is_leader = 3;
bool is_add = 4;
}
message KeepConnectedResponse {
VolumeLocation volume_location = 1;
ClusterNodeUpdate cluster_node_update = 2;
}
message LookupVolumeRequest {
repeated string volume_or_file_ids = 1;
string collection = 2; // optional, a bit faster if provided.

1381
weed/pb/master_pb/master.pb.go
View file

File diff suppressed because it is too large Load diff

8
weed/server/master_grpc_server.go
View file

@ -203,7 +203,7 @@ func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServ
}()
for _, message := range ms.Topo.ToVolumeLocations() {
if sendErr := stream.Send(message); sendErr != nil {
if sendErr := stream.Send(&master_pb.KeepConnectedResponse{VolumeLocation: message}); sendErr != nil {
return sendErr
}
}
@ -223,7 +223,7 @@ func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServ
for {
select {
case message := <-messageChan:
if err := stream.Send(message); err != nil {
if err := stream.Send(&master_pb.KeepConnectedResponse{VolumeLocation: message}); err != nil {
glog.V(0).Infof("=> client %v: %+v", clientName, message)
return err
}
@ -244,8 +244,10 @@ func (ms *MasterServer) informNewLeader(stream master_pb.Seaweed_KeepConnectedSe
glog.Errorf("topo leader: %v", err)
return raft.NotLeaderError
}
if err := stream.Send(&master_pb.VolumeLocation{
if err := stream.Send(&master_pb.KeepConnectedResponse{
VolumeLocation: &master_pb.VolumeLocation{
Leader: string(leader),
},
}); err != nil {
return err
}

23
weed/wdclient/masterclient.go
View file

@ -118,36 +118,39 @@ func (mc *MasterClient) tryConnectToMaster(master pb.ServerAddress) (nextHintedL
mc.currentMaster = master
for {
volumeLocation, err := stream.Recv()
resp, err := stream.Recv()
if err != nil {
glog.V(0).Infof("%s masterClient failed to receive from %s: %v", mc.clientType, master, err)
return err
}
if resp.VolumeLocation != nil {
// maybe the leader is changed
if volumeLocation.Leader != "" {
glog.V(0).Infof("redirected to leader %v", volumeLocation.Leader)
nextHintedLeader = pb.ServerAddress(volumeLocation.Leader)
if resp.VolumeLocation.Leader != "" {
glog.V(0).Infof("redirected to leader %v", resp.VolumeLocation.Leader)
nextHintedLeader = pb.ServerAddress(resp.VolumeLocation.Leader)
return nil
}
// process new volume location
loc := Location{
Url: volumeLocation.Url,
PublicUrl: volumeLocation.PublicUrl,
DataCenter: volumeLocation.DataCenter,
GrpcPort: int(volumeLocation.GrpcPort),
Url: resp.VolumeLocation.Url,
PublicUrl: resp.VolumeLocation.PublicUrl,
DataCenter: resp.VolumeLocation.DataCenter,
GrpcPort: int(resp.VolumeLocation.GrpcPort),
}
for _, newVid := range volumeLocation.NewVids {
for _, newVid := range resp.VolumeLocation.NewVids {
glog.V(1).Infof("%s: %s masterClient adds volume %d", mc.clientType, loc.Url, newVid)
mc.addLocation(newVid, loc)
}
for _, deletedVid := range volumeLocation.DeletedVids {
for _, deletedVid := range resp.VolumeLocation.DeletedVids {
glog.V(1).Infof("%s: %s masterClient removes volume %d", mc.clientType, loc.Url, deletedVid)
mc.deleteLocation(deletedVid, loc)
}
}
}
})
if gprcErr != nil {
glog.V(1).Infof("%s masterClient failed to connect with master %v: %v", mc.clientType, master, gprcErr)