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Diffstat (limited to 'src/virtual/poweroffd.py')
-rw-r--r-- | src/virtual/poweroffd.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/virtual/poweroffd.py b/src/virtual/poweroffd.py new file mode 100644 index 0000000..63d08e1 --- /dev/null +++ b/src/virtual/poweroffd.py @@ -0,0 +1,53 @@ +# +# Copyright (C) 2021 Soleta Networks <info@soleta.eu> +# +# This program is free software: you can redistribute it and/or modify it under +# the terms of the GNU Affero General Public License as published by the +# Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + + +from src.virtual.qmp import QEMUMonitorProtocol +from src.virtual.qmp import QMPCapabilitiesError, QMPConnectError + +QMP_DEFAULT_PORT = 4445 +QMP_DEFAULT_HOST = "127.0.0.1" + +def is_shutdown_event(qmp_ev): + """ + """ + return qmp_ev.get('event') == 'SHUTDOWN' + + +def init(host=QMP_DEFAULT_HOST, port=QMP_DEFAULT_PORT): + """ + """ + qmpconn = QEMUMonitorProtocol((host, port)) + try: + qmpconn.connect() + except ConnectionRefusedError: + print("Critical err: Connection refused") + return None + except QMPCapabilitiesError as e: + print("Error negotiating capabilities") + return None + return qmpconn + + +def run(qmpconn): + """ + """ + while(True): + try: + qmp_ev = qmpconn.pull_event(wait=True) + except QMPConnectError as e: + print("Error trying to pull an event") + ret = -1 + break + if is_shutdown_event(qmp_ev): + print("Detected guest shutdown, let's go") + ret = 0 + break + + qmpconn.close() + return ret |