LogDog: Implement RegisterPrefix RPC.

common/proto/logdog/svcconfig/project.pb.go

Index: common/proto/logdog/svcconfig/project.pb.go
diff --git a/common/proto/logdog/svcconfig/project.pb.go b/common/proto/logdog/svcconfig/project.pb.go
index b145d08488a8bca899066e7e73a1f3ed0f43d3f6..c635330d38a0d28f29a35739595d4ef1b5ccda88 100644
--- a/common/proto/logdog/svcconfig/project.pb.go
+++ b/common/proto/logdog/svcconfig/project.pb.go
@@ -36,6 +36,11 @@ type ProjectConfig struct {
 	//
 	// This is upper-bounded by the global "archive_delay_max" parameter.
 	MaxStreamAge *google_protobuf.Duration `protobuf:"bytes,4,opt,name=max_stream_age,json=maxStreamAge" json:"max_stream_age,omitempty"`
+	// The maximum amount of time after a prefix has been registered when log
+	// streams may also be registered under that prefix.
+	//
+	// See Config's "prefix_expiration" for more information.
+	PrefixExpiration *google_protobuf.Duration `protobuf:"bytes,5,opt,name=prefix_expiration,json=prefixExpiration" json:"prefix_expiration,omitempty"`
 	// The base Google Storage archival path, of the form: "gs://bucket/..."
 	//
 	// The bucket name must be included (e.g., "gs://foo"). The remainder of the
@@ -78,30 +83,38 @@ func (m *ProjectConfig) GetMaxStreamAge() *google_protobuf.Duration {
 	return nil
 }
 
+func (m *ProjectConfig) GetPrefixExpiration() *google_protobuf.Duration {
+	if m != nil {
+		return m.PrefixExpiration
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*ProjectConfig)(nil), "svcconfig.ProjectConfig")
 }
 
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