1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#
# Manually written part of python bindings for libvirt
#
# On cygwin, the DLL is called cygvirtmod.dll
try:
import libvirtmod
except ImportError, lib_e:
try:
import cygvirtmod as libvirtmod
except ImportError, cyg_e:
if str(cyg_e).count("No module named"):
raise lib_e
import types
# The root of all libvirt errors.
class libvirtError(Exception):
def __init__(self, defmsg, conn=None, dom=None, net=None, pool=None, vol=None):
if dom is not None:
conn = dom._conn
elif net is not None:
conn = net._conn
elif pool is not None:
conn = pool._conn
elif vol is not None:
conn = vol._conn
# Never call virConnGetLastError().
# virGetLastError() is now thread local
err = virGetLastError()
if err is None:
msg = defmsg
else:
msg = err[2]
Exception.__init__(self, msg)
self.err = err
def get_error_code(self):
if self.err is None:
return None
return self.err[0]
def get_error_domain(self):
if self.err is None:
return None
return self.err[1]
def get_error_message(self):
if self.err is None:
return None
return self.err[2]
def get_error_level(self):
if self.err is None:
return None
return self.err[3]
def get_str1(self):
if self.err is None:
return None
return self.err[4]
def get_str2(self):
if self.err is None:
return None
return self.err[5]
def get_str3(self):
if self.err is None:
return None
return self.err[6]
def get_int1(self):
if self.err is None:
return None
return self.err[7]
def get_int2(self):
if self.err is None:
return None
return self.err[8]
#
# register the libvirt global error handler
#
def registerErrorHandler(f, ctx):
"""Register a Python written function to for error reporting.
The function is called back as f(ctx, error), with error
being a list of information about the error being raised.
Returns 1 in case of success."""
return libvirtmod.virRegisterErrorHandler(f,ctx)
def openAuth(uri, auth, flags):
ret = libvirtmod.virConnectOpenAuth(uri, auth, flags)
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
return virConnect(_obj=ret)
#
# Return library version.
#
def getVersion (name = None):
"""If no name parameter is passed (or name is None) then the
version of the libvirt library is returned as an integer.
If a name is passed and it refers to a driver linked to the
libvirt library, then this returns a tuple of (library version,
driver version).
If the name passed refers to a non-existent driver, then you
will get the exception 'no support for hypervisor'.
Versions numbers are integers: 1000000*major + 1000*minor + release."""
if name is None:
ret = libvirtmod.virGetVersion ();
else:
ret = libvirtmod.virGetVersion (name);
if ret is None: raise libvirtError ("virGetVersion() failed")
return ret
#
# Invoke an EventHandle callback
#
def eventInvokeHandleCallback (watch, fd, event, callback, opaque):
"""
Invoke the Event Impl Handle Callback in C
"""
libvirtmod.virEventInvokeHandleCallback(watch, fd, event, callback, opaque);
#
# Invoke an EventTimeout callback
#
def eventInvokeTimeoutCallback (timer, callback, opaque):
"""
Invoke the Event Impl Timeout Callback in C
"""
libvirtmod.virEventInvokeTimeoutCallback(timer, callback, opaque);
|
