syntax = "proto2";

package buffer_service;

// handle buffer changes, keep in sync users
service Buffer {
  // attach to a buffer and receive operations
  rpc Attach (stream Operation)    returns (stream Operation);

  rpc Snapshot(SnapshotRequest) returns (SnapshotResponse);

}

message Operation {
  required bytes data = 1;
  optional string user = 2;
  optional string path = 3;
}

message SnapshotRequest {
  required string path = 1;
}
message SnapshotResponse {
  required string content = 1;
}