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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/scripts/qmp/qom-fuse
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/scripts/qmp/qom-fuse')
-rwxr-xr-xqemu/scripts/qmp/qom-fuse138
1 files changed, 138 insertions, 0 deletions
diff --git a/qemu/scripts/qmp/qom-fuse b/qemu/scripts/qmp/qom-fuse
new file mode 100755
index 000000000..5c6754aa6
--- /dev/null
+++ b/qemu/scripts/qmp/qom-fuse
@@ -0,0 +1,138 @@
+#!/usr/bin/python
+##
+# QEMU Object Model test tools
+#
+# Copyright IBM, Corp. 2012
+#
+# Authors:
+# Anthony Liguori <aliguori@us.ibm.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or later. See
+# the COPYING file in the top-level directory.
+##
+
+import fuse, stat
+from fuse import Fuse
+import os, posix
+from errno import *
+from qmp import QEMUMonitorProtocol
+
+fuse.fuse_python_api = (0, 2)
+
+class QOMFS(Fuse):
+ def __init__(self, qmp, *args, **kwds):
+ Fuse.__init__(self, *args, **kwds)
+ self.qmp = qmp
+ self.qmp.connect()
+ self.ino_map = {}
+ self.ino_count = 1
+
+ def get_ino(self, path):
+ if self.ino_map.has_key(path):
+ return self.ino_map[path]
+ self.ino_map[path] = self.ino_count
+ self.ino_count += 1
+ return self.ino_map[path]
+
+ def is_object(self, path):
+ try:
+ items = self.qmp.command('qom-list', path=path)
+ return True
+ except:
+ return False
+
+ def is_property(self, path):
+ try:
+ path, prop = path.rsplit('/', 1)
+ for item in self.qmp.command('qom-list', path=path):
+ if item['name'] == prop:
+ return True
+ return False
+ except:
+ return False
+
+ def is_link(self, path):
+ try:
+ path, prop = path.rsplit('/', 1)
+ for item in self.qmp.command('qom-list', path=path):
+ if item['name'] == prop:
+ if item['type'].startswith('link<'):
+ return True
+ return False
+ return False
+ except:
+ return False
+
+ def read(self, path, length, offset):
+ if not self.is_property(path):
+ return -ENOENT
+
+ path, prop = path.rsplit('/', 1)
+ try:
+ data = str(self.qmp.command('qom-get', path=path, property=prop))
+ data += '\n' # make values shell friendly
+ except:
+ return -EPERM
+
+ if offset > len(data):
+ return ''
+
+ return str(data[offset:][:length])
+
+ def readlink(self, path):
+ if not self.is_link(path):
+ return False
+ path, prop = path.rsplit('/', 1)
+ prefix = '/'.join(['..'] * (len(path.split('/')) - 1))
+ return prefix + str(self.qmp.command('qom-get', path=path,
+ property=prop))
+
+ def getattr(self, path):
+ if self.is_link(path):
+ value = posix.stat_result((0755 | stat.S_IFLNK,
+ self.get_ino(path),
+ 0,
+ 2,
+ 1000,
+ 1000,
+ 4096,
+ 0,
+ 0,
+ 0))
+ elif self.is_object(path):
+ value = posix.stat_result((0755 | stat.S_IFDIR,
+ self.get_ino(path),
+ 0,
+ 2,
+ 1000,
+ 1000,
+ 4096,
+ 0,
+ 0,
+ 0))
+ elif self.is_property(path):
+ value = posix.stat_result((0644 | stat.S_IFREG,
+ self.get_ino(path),
+ 0,
+ 1,
+ 1000,
+ 1000,
+ 4096,
+ 0,
+ 0,
+ 0))
+ else:
+ value = -ENOENT
+ return value
+
+ def readdir(self, path, offset):
+ yield fuse.Direntry('.')
+ yield fuse.Direntry('..')
+ for item in self.qmp.command('qom-list', path=path):
+ yield fuse.Direntry(str(item['name']))
+
+if __name__ == '__main__':
+ import sys, os
+
+ fs = QOMFS(QEMUMonitorProtocol(os.environ['QMP_SOCKET']))
+ fs.main(sys.argv)