1 files changed, 13 insertions, 0 deletions
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index 389332114..11be522e7 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -48,6 +48,9 @@ service SeaweedFiler {
     rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
     }
 
+    rpc Ping (PingRequest) returns (PingResponse) {
+    }
+
     rpc GetFilerConfiguration (GetFilerConfigurationRequest) returns (GetFilerConfigurationResponse) {
     }
 
@@ -311,6 +314,16 @@ message StatisticsResponse {
     uint64 file_count = 6;
 }
 
+message PingRequest {
+    string target = 1; // default to ping itself
+    string target_type = 2;
+}
+message PingResponse {
+    int64 start_time_ns = 1;
+    int64 remote_time_ns = 2;
+    int64 stop_time_ns = 3;
+}
+
 message GetFilerConfigurationRequest {
 }
 message GetFilerConfigurationResponse {