# QEMU qtest library # # Copyright (C) 2015 Red Hat Inc. # # Authors: # Fam Zheng <famz@redhat.com> # # This work is licensed under the terms of the GNU GPL, version 2. See # the COPYING file in the top-level directory. # # Based on qmp.py. # import errno import socket class QEMUQtestProtocol(object): def __init__(self, address, server=False): """ Create a QEMUQtestProtocol object. @param address: QEMU address, can be either a unix socket path (string) or a tuple in the form ( address, port ) for a TCP connection @param server: server mode, listens on the socket (bool) @raise socket.error on socket connection errors @note No connection is established, this is done by the connect() or accept() methods """ self._address = address self._sock = self._get_sock() if server: self._sock.bind(self._address) self._sock.listen(1) def _get_sock(self): if isinstance(self._address, tuple): family = socket.AF_INET else: family = socket.AF_UNIX return socket.socket(family, socket.SOCK_STREAM) def connect(self): """ Connect to the qtest socket. @raise socket.error on socket connection errors """ self._sock.connect(self._address) def accept(self): """ Await connection from QEMU. @raise socket.error on socket connection errors """ self._sock, _ = self._sock.accept() def cmd(self, qtest_cmd): """ Send a qtest command on the wire. @param qtest_cmd: qtest command text to be sent """ self._sock.sendall(qtest_cmd + "\n") def close(self): self._sock.close() def settimeout(self, timeout): self._sock.settimeout(timeout)