LogDog: Implement RegisterPrefix RPC.

common/api/logdog_coordinator/registration/v1/service.pb.go

Index: common/api/logdog_coordinator/registration/v1/service.pb.go
diff --git a/common/api/logdog_coordinator/registration/v1/service.pb.go b/common/api/logdog_coordinator/registration/v1/service.pb.go
index b76d82936379bb1807f3ba188e4e329a3c8bd55b..06481adf0eaa0dc253fef0ea83814d1e347202d1 100644
--- a/common/api/logdog_coordinator/registration/v1/service.pb.go
+++ b/common/api/logdog_coordinator/registration/v1/service.pb.go
@@ -40,13 +40,10 @@ const _ = proto.ProtoPackageIsVersion1
 type RegisterPrefixRequest struct {
 	// The log stream's project.
 	Project string `protobuf:"bytes,1,opt,name=project" json:"project,omitempty"`
+	// The log stream prefix to register.
+	Prefix string `protobuf:"bytes,2,opt,name=prefix" json:"prefix,omitempty"`
 	// Optional information about the registering agent.
-	SourceInfo []string `protobuf:"bytes,2,rep,name=source_info,json=sourceInfo" json:"source_info,omitempty"`
-	// The protobuf version string for this stream.
-	ProtoVersion string `protobuf:"bytes,3,opt,name=proto_version,json=protoVersion" json:"proto_version,omitempty"`
-	// The serialized LogStreamDescriptor protobuf for this stream. The stream's
-	// path is extracted from this field.
-	Desc []byte `protobuf:"bytes,4,opt,name=desc,proto3" json:"desc,omitempty"`
+	SourceInfo []string `protobuf:"bytes,3,rep,name=source_info,json=sourceInfo" json:"source_info,omitempty"`
 	// The prefix expiration time. If <= 0, the project's default prefix
 	// expiration period will be applied.
 	//
@@ -55,7 +52,7 @@ type RegisterPrefixRequest struct {
 	//
 	// If supplied, this value should exceed the timeout of the local task, else
 	// some of the task's streams may be dropped due to failing registration.
-	Expiration *google_protobuf.Duration `protobuf:"bytes,5,opt,name=expiration" json:"expiration,omitempty"`
+	Expiration *google_protobuf.Duration `protobuf:"bytes,10,opt,name=expiration" json:"expiration,omitempty"`
 }
 
 func (m *RegisterPrefixRequest) Reset()                    { *m = RegisterPrefixRequest{} }
@@ -200,24 +197,22 @@ var _Registration_serviceDesc = grpc.ServiceDesc{
 }
 
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