forked from naksyn/PythonMemoryModule
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathbits.py
More file actions
264 lines (221 loc) · 7.57 KB
/
bits.py
File metadata and controls
264 lines (221 loc) · 7.57 KB
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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
import threading
import windows
import windows.com
from windows.com import COMImplementation
from windows.generated_def.interfaces import (IBackgroundCopyManager, IEnumBackgroundCopyJobs, IBackgroundCopyJob,
IBackgroundCopyCallback, IUnknown, IBackgroundCopyError, IEnumBackgroundCopyFiles,
IBackgroundCopyFile)
import windows.generated_def as gdef
BackgroundCopyManager = windows.com.IID.from_string("4991d34b-80a1-4291-83b6-3328366b9097")
BackgroundCopyManager1_5 = windows.com.IID.from_string("f087771f-d74f-4c1a-bb8a-e16aca9124ea")
BackgroundCopyManager2_0 = windows.com.IID.from_string("6d18ad12-bde3-4393-b311-099c346e6df9s")
BackgroundCopyManager2_5 = windows.com.IID.from_string("03ca98d6-ff5d-49b8-abc6-03dd84127020")
BackgroundCopyManager3_0 = windows.com.IID.from_string("659cdea7-489e-11d9-a9cd-000d56965251")
BITS_CLS_BY_VERSION = {
(1,0): BackgroundCopyManager,
(1,5): BackgroundCopyManager1_5,
(2,0): BackgroundCopyManager2_0,
(2,5): BackgroundCopyManager2_5,
(3,0): BackgroundCopyManager3_0,
}
class BitsCopyCallback(COMImplementation):
IMPLEMENT = IBackgroundCopyCallback
def JobError(self, this, job, error):
return True
def JobTransferred(self, this, job):
#copy_terminated.set()
return True
def JobModification(self, job, reserved):
return True
class BitsCopyCallbackSetEvent(BitsCopyCallback):
def __init__(self, event):
super(BitsCopyCallbackSetEvent, self).__init__()
self.event = event
# With the current generated_def.interface design, the current
# prototype is:
# ctypes.WINFUNCTYPE(HRESULT, PVOID, PVOID)(4, "JobError")
# How should I address that ?
def JobError(self, this, job, error):
job = BitsCopyJob(job)
error = BitsCopyError(error)
errcode, errctx = error.error
print("Copy failed with error code <{0:#x}> (ctx={1})".format(errcode, errctx))
print("see <https://msdn.microsoft.com/en-us/library/windows/desktop/aa362823(v=vs.85).aspx>")
self.event.set()
return True
def JobTransferred(self, this, job):
self.event.set()
return True
class BitsCopyManager(IBackgroundCopyManager):
def get_jobs(self, flags=0):
jobsenum = IEnumBackgroundCopyJobs()
self.EnumJobs(flags, jobsenum)
res = []
nbretrieved = gdef.DWORD()
while True:
current = BitsCopyJob()
jobsenum.Next(1, current, nbretrieved)
if not nbretrieved.value:
break
res.append(current.promote())
jobsenum.Release()
return res
@property
def jobs(self):
return self.get_jobs()
def create(self, name, jobtype):
myjob_uuid = windows.com.IID()
newjob = BitsCopyJob()
self.CreateJob(name, jobtype, myjob_uuid, newjob)
return newjob.promote()
class BitsCopyJob(IBackgroundCopyJob):
version = 1
@property
def owner(self):
owner = gdef.LPWSTR()
self.GetOwner(owner)
data = owner.value
windows.winproxy.CoTaskMemFree(owner)
return data
@property
def iid(self):
res = windows.com.IID()
self.GetId(res)
res.update_strid()
return res
@property
def state(self):
x = gdef.BG_JOB_STATE()
self.GetState(x)
return x.value
@property
def name(self):
descr = gdef.LPWSTR()
self.GetDisplayName(descr)
data = descr.value
windows.winproxy.CoTaskMemFree(descr)
return data
@property
def description(self):
descr = gdef.LPWSTR()
self.GetDescription(descr)
data = descr.value
windows.winproxy.CoTaskMemFree(descr)
return data
@property
def files(self):
enum = IEnumBackgroundCopyFiles()
self.EnumFiles(enum)
count = gdef.ULONG()
enum.GetCount(count)
if not count:
return []
res_size = gdef.ULONG()
array = (BitsFile * count.value)()
enum.Next(count.value, array, res_size)
return array[:res_size.value]
@property
def type(self):
res = gdef.BG_JOB_TYPE()
self.GetType(res)
return res.value
@property
def priority(self):
priority = gdef.BG_JOB_PRIORITY()
self.GetPriority(priority)
return priority.value
@property
def minimum_retry_delay(self):
retry_delay = gdef.ULONG()
self.GetMinimumRetryDelay(retry_delay)
return retry_delay.value
@property
def proxy_settings(self):
ProxyUsage = gdef.BG_JOB_PROXY_USAGE()
ProxyList = gdef.LPWSTR()
ProxyBypassList = gdef.LPWSTR()
self.GetProxySettings(ProxyUsage, ProxyList, ProxyBypassList)
result = ProxyUsage.value, ProxyList.value, ProxyBypassList.value
windows.winproxy.CoTaskMemFree(ProxyList)
windows.winproxy.CoTaskMemFree(ProxyBypassList)
return result
@property
def times(self):
res = gdef.BG_JOB_TIMES()
self.GetTimes(res)
return res
def wait(self):
if self.state.value == gdef.BG_JOB_STATE_SUSPENDED:
raise ValueError("Cannot wait a BG_JOB_STATE_SUSPENDED job")
event = threading.Event()
callback_event = BitsCopyCallbackSetEvent(event)
self.SetNotifyInterface(callback_event)
self.SetNotifyFlags(1 | 2) # BG_NOTIFY_JOB_TRANSFERRED | BG_NOTIFY_JOB_ERROR
event.wait()
return True
def promote(self):
try:
return self.query(BitsCopyJob2)
except WindowsError as e:
return self
def __repr__(self):
return '<{0} iid="{1}" at {2:#08x}>'.format(type(self).__name__, self.iid, id(self))
class BitsCopyJob2(gdef.IBackgroundCopyJob2, BitsCopyJob):
version = 2
@property
def notify_cmdline(self):
path = gdef.LPWSTR()
params = gdef.LPWSTR()
self.GetNotifyCmdLine(path, params)
strpath, strparams = path.value, params.value
windows.winproxy.CoTaskMemFree(path)
windows.winproxy.CoTaskMemFree(params)
return strpath, strparams
class BitsFile(IBackgroundCopyFile):
version = 1
@property
def local_name(self):
name = gdef.LPWSTR()
self.GetLocalName(name)
data = name.value
windows.winproxy.CoTaskMemFree(name)
return data
@property
def remote_name(self):
name = gdef.LPWSTR()
self.GetRemoteName(name)
data = name.value
windows.winproxy.CoTaskMemFree(name)
return data
@property
def progress(self):
progress = gdef.BG_FILE_PROGRESS()
self.GetProgress(progress)
return progress
def promote(self):
try:
return self.query(BitsFile3)
except WindowsError as e:
return self
class BitsFile3(gdef.IBackgroundCopyFile3, BitsFile):
version = 3
@property
def temporary_name(self):
name = gdef.LPWSTR()
self.GetTemporaryName(name)
data = name.value
windows.winproxy.CoTaskMemFree(name)
return data
class BitsCopyError(IBackgroundCopyError):
@property
def error(self):
err_ctx = gdef.BG_ERROR_CONTEXT()
err = gdef.HRESULT()
self.GetError(err_ctx, err)
return (err.value & 0xffffffff, err_ctx)
def create_manager(version=(3,0)):
windows.com.init()
clsid = BITS_CLS_BY_VERSION[version]
manager = BitsCopyManager()
windows.com.create_instance(clsid, manager)
return manager