diff --git a/util/socket.cpp b/util/socket.cpp
index ed669e75..e751b097 100644
--- a/util/socket.cpp
+++ b/util/socket.cpp
@@ -222,9 +222,10 @@ std::string Socket::Connection::getStats(std::string C){
 }
 
 /// Updates the downbuffer and upbuffer internal variables.
-void Socket::Connection::spool(){
-  iread(downbuffer);
+/// Returns true if new data was received, false otherwise.
+bool Socket::Connection::spool(){
   iwrite(upbuffer);
+  return iread(downbuffer);
 }
 
 /// Returns a reference to the download buffer.
diff --git a/util/socket.h b/util/socket.h
index 988b96c2..3a538286 100644
--- a/util/socket.h
+++ b/util/socket.h
@@ -48,7 +48,7 @@ namespace Socket{
       bool swrite(std::string & buffer); ///< Write call that is compatible with std::string.
       bool iread(std::string & buffer); ///< Incremental write call that is compatible with std::string.
       bool iwrite(std::string & buffer); ///< Write call that is compatible with std::string.
-      void spool(); ///< Updates the downbuffer and upbuffer internal variables.
+      bool spool(); ///< Updates the downbuffer and upbuffer internal variables.
       std::string & Received(); ///< Returns a reference to the download buffer.
       void Send(std::string data); ///< Appends data to the upbuffer.
       void close(); ///< Close connection.