1 files changed, 71 insertions, 0 deletions
diff --git a/weed/pb/master.proto b/weed/pb/master.proto
new file mode 100644
index 000000000..bc376f75b
--- /dev/null
+++ b/weed/pb/master.proto
@@ -0,0 +1,71 @@
+syntax = "proto3";
+
+package master_pb;
+
+//////////////////////////////////////////////////
+
+service Seaweed {
+    rpc SendHeartbeat (stream Heartbeat) returns (stream HeartbeatResponse) {
+    }
+    rpc KeepConnected (stream ClientListenRequest) returns (stream VolumeLocation) {
+    }
+}
+
+//////////////////////////////////////////////////
+
+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;
+    // delta volume ids
+    repeated uint32 new_vids = 10;
+    repeated uint32 deleted_vids = 11;
+}
+
+message HeartbeatResponse {
+    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;
+}
+
+message Empty {
+}
+
+message SuperBlockExtra {
+    message ErasureCoding {
+        uint32 data = 1;
+        uint32 parity = 2;
+        repeated uint32 volume_ids = 3;
+    }
+    ErasureCoding erasure_coding = 1;
+}
+
+message ClientListenRequest {
+    string name = 1;
+}
+
+message VolumeLocation {
+    string url = 1;
+    string public_url = 2;
+    repeated uint32 new_vids = 3;
+    repeated uint32 deleted_vids = 4;
+}