1 files changed, 30 insertions, 23 deletions
diff --git a/weed/pb/seaweed.proto b/weed/pb/seaweed.proto
index dd0223f04..4d31f8e6a 100644
--- a/weed/pb/seaweed.proto
+++ b/weed/pb/seaweed.proto
@@ -5,37 +5,44 @@ package master_pb;
 //////////////////////////////////////////////////
 
 service Seaweed {
-  rpc SendHeartbeat(stream Heartbeat) returns (stream HeartbeatResponse) {}
+    rpc SendHeartbeat (stream Heartbeat) returns (stream HeartbeatResponse) {
+    }
+    rpc KeepConnected (stream Empty) returns (stream Empty) {
+    }
 }
 
 //////////////////////////////////////////////////
 
 message Heartbeat {
-  string ip = 1;
-  uint32 port = 2;
-  string public_url = 3;
-  uint32 max_volume_count = 4;
-  uint64 max_file_key = 5;
-  string data_center = 6;
-  string rack = 7;
-  uint32 admin_port = 8;
-  repeated VolumeInformationMessage volumes = 9;
+    string ip = 1;
+    uint32 port = 2;
+    string public_url = 3;
+    uint32 max_volume_count = 4;
+    uint64 max_file_key = 5;
+    string data_center = 6;
+    string rack = 7;
+    uint32 admin_port = 8;
+    repeated VolumeInformationMessage volumes = 9;
 }
+
 message HeartbeatResponse {
-  uint64 volumeSizeLimit = 1;
-  string secretKey = 2;
-  string leader = 3;
+    uint64 volumeSizeLimit = 1;
+    string secretKey = 2;
+    string leader = 3;
 }
 
 message VolumeInformationMessage {
-  uint32 id = 1;
-  uint64 size = 2;
-  string collection = 3;
-  uint64 file_count = 4;
-  uint64 delete_count = 5;
-  uint64 deleted_byte_count = 6;
-  bool read_only = 7;
-  uint32 replica_placement = 8;
-  uint32 version = 9;
-  uint32 ttl = 10;
+    uint32 id = 1;
+    uint64 size = 2;
+    string collection = 3;
+    uint64 file_count = 4;
+    uint64 delete_count = 5;
+    uint64 deleted_byte_count = 6;
+    bool read_only = 7;
+    uint32 replica_placement = 8;
+    uint32 version = 9;
+    uint32 ttl = 10;
+}
+
+message Empty {
 }