Write newlines to trigger read error out on a closed connection

shroom_internals/tcp_server.go

@@ -250,13 +250,19 @@ func InitTcpServer(db *sql.DB, state *ShroomState) {
 						left = buf
 					}
 
-					_, err := conn.Write([]byte{})
+					_, err := conn.Write([]byte("\n"))
 					if err != nil {
 						log.Println("tcp write error: ", err)
 						_ = conn.Close()
 						log.Println("disconnected from client")
 						break
 					}
+					err = conn.SetReadDeadline(time.Now().Add(time.Second))
+					if err != nil {
+						log.Println("unable to set read deadline ", err)
+						_ = conn.Close()
+						break
+					}
 					num_read, err := conn.Read(left)
 					left = left[num_read:]