[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 2/3] scripts: Remove debug parameter from QEMUMon
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [PATCH v2 2/3] scripts: Remove debug parameter from QEMUMonitorProtocol |
Date: |
Thu, 5 Oct 2017 14:20:12 -0300 |
Use logging module for the QMP debug messages. The only scripts
that set debug=True are iotests.py and guestperf/engine.py, and
they already call logging.basicConfig() to set up logging.
Scripts that don't configure logging are safe as long as they
don't need debugging output, because debug messages don't trigger
the "No handlers could be found for logger" message from the
Python logging module.
Scripts that already configure logging but don't use debug=True
(e.g. scripts/vm/basevm.py) will get QMP debugging enabled for
free.
Cc: "Alex Bennée" <address@hidden>
Cc: Fam Zheng <address@hidden>
Cc: "Philippe Mathieu-Daudé" <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
---
Changes v1 -> v2:
* Actually remove debug parameter from method definition
(Fam Zheng)
* Fix "<<<" vs ">>>" confusion
(Fam Zheng)
* Remove "import sys" line
(Lukáš Doktor)
---
scripts/qemu.py | 3 +--
scripts/qmp/qmp.py | 16 +++++++---------
2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/scripts/qemu.py b/scripts/qemu.py
index c9a106fbce..f6d2e68627 100644
--- a/scripts/qemu.py
+++ b/scripts/qemu.py
@@ -177,8 +177,7 @@ class QEMUMachine(object):
def _pre_launch(self):
self._qmp = qmp.qmp.QEMUMonitorProtocol(self._monitor_address,
- server=True,
- debug=self._debug)
+ server=True)
def _post_launch(self):
self._qmp.accept()
diff --git a/scripts/qmp/qmp.py b/scripts/qmp/qmp.py
index ef12e8a1a0..07c9632e9e 100644
--- a/scripts/qmp/qmp.py
+++ b/scripts/qmp/qmp.py
@@ -11,7 +11,7 @@
import json
import errno
import socket
-import sys
+import logging
class QMPError(Exception):
@@ -32,12 +32,14 @@ class QMPTimeoutError(QMPError):
class QEMUMonitorProtocol(object):
+ #: Logger object for debugging messages
+ logger = logging.getLogger('QMP')
#: Socket's error class
error = socket.error
#: Socket's timeout
timeout = socket.timeout
- def __init__(self, address, server=False, debug=False):
+ def __init__(self, address, server=False):
"""
Create a QEMUMonitorProtocol class.
@@ -51,7 +53,6 @@ class QEMUMonitorProtocol(object):
"""
self.__events = []
self.__address = address
- self._debug = debug
self.__sock = self.__get_sock()
self.__sockfile = None
if server:
@@ -83,8 +84,7 @@ class QEMUMonitorProtocol(object):
return
resp = json.loads(data)
if 'event' in resp:
- if self._debug:
- print >>sys.stderr, "QMP:<<< %s" % resp
+ self.logger.debug("<<< %s", resp)
self.__events.append(resp)
if not only_event:
continue
@@ -164,8 +164,7 @@ class QEMUMonitorProtocol(object):
@return QMP response as a Python dict or None if the connection has
been closed
"""
- if self._debug:
- print >>sys.stderr, "QMP:>>> %s" % qmp_cmd
+ self.logger.debug(">>> %s", qmp_cmd)
try:
self.__sock.sendall(json.dumps(qmp_cmd))
except socket.error as err:
@@ -173,8 +172,7 @@ class QEMUMonitorProtocol(object):
return
raise socket.error(err)
resp = self.__json_read()
- if self._debug:
- print >>sys.stderr, "QMP:<<< %s" % resp
+ self.logger.debug("<<< %s", resp)
return resp
def cmd(self, name, args=None, cmd_id=None):
--
2.13.6