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filer only talk to the master leader

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This commit is contained in:
Chris Lu 2018-07-28 01:30:03 -07:00
parent e8d4be579d
commit 1ab8232b55
1 changed files with 7 additions and 1 deletions
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8
weed/server/master_grpc_server.go
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@ -9,6 +9,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/topology"
"google.golang.org/grpc/peer"
"fmt"
"github.com/chrislusf/raft"
)
func (ms *MasterServer) SendHeartbeat(stream master_pb.Seaweed_SendHeartbeatServer) error {
@ -105,7 +106,8 @@ func (ms *MasterServer) SendHeartbeat(stream master_pb.Seaweed_SendHeartbeatServ
}
}
// KeepConnected keep a stream gRPC call to the master. Used by filer to know the master is up.
// KeepConnected keep a stream gRPC call to the master. Used by clients to know the master is up.
// And clients gets the up-to-date list of volume locations
func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServer) error {
req, err := stream.Recv()
@ -113,6 +115,10 @@ func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServ
return err
}
if !ms.Topo.IsLeader() {
return raft.NotLeaderError
}
// remember client address
ctx := stream.Context()
// fmt.Printf("FromContext %+v\n", ctx)