Use the existing readline history function we are utilizing
to provide persistent command history across instances of qmp-shell.
This assists entering debug commands across sessions that may be
interrupted by QEMU sessions terminating, where the qmp-shell has
to be relaunched.
Signed-off-by: John Snow <js...@redhat.com>
---
scripts/qmp/qmp-shell | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/scripts/qmp/qmp-shell b/scripts/qmp/qmp-shell
index 0373b24..b19f44b 100755
--- a/scripts/qmp/qmp-shell
+++ b/scripts/qmp/qmp-shell
@@ -70,6 +70,7 @@ import json
import ast
import readline
import sys
+import os
class QMPCompleter(list):
def complete(self, text, state):
@@ -109,6 +110,8 @@ class QMPShell(qmp.QEMUMonitorProtocol):
self._pretty = pretty
self._transmode = False
self._actions = list()
+ self._histfile = os.path.join(os.path.expanduser('~'),
+ '.qmp_history')
def __get_address(self, arg):
"""
@@ -137,6 +140,16 @@ class QMPShell(qmp.QEMUMonitorProtocol):
# XXX: default delimiters conflict with some command names (eg.
query-),
# clearing everything as it doesn't seem to matter
readline.set_completer_delims('')
+ try:
+ readline.read_history_file(self._histfile)
+ except:
+ pass
+
+ def __save_history(self):
+ try:
+ readline.write_history_file(self._histfile)
+ except:
+ pass
def __parse_value(self, val):
try:
@@ -244,6 +257,7 @@ class QMPShell(qmp.QEMUMonitorProtocol):
print 'command format: <command-name> ',
print '[arg-name1=arg1] ... [arg-nameN=argN]'
return True
+ self.__save_history()
# For transaction mode, we may have just cached the action:
if qmpcmd is None:
return True
--
2.9.3
