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Kirill Smelkov
wendelin.core
Commits
d2973294
Commit
d2973294
authored
Jun 07, 2019
by
Kirill Smelkov
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parent
381ce6b2
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49 deletions
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-49
wcfs/wcfs_test.py
wcfs/wcfs_test.py
+9
-49
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wcfs/wcfs_test.py
View file @
d2973294
...
@@ -789,56 +789,16 @@ def watch(twlink, zf, at): # XXX -> ?
...
@@ -789,56 +789,16 @@ def watch(twlink, zf, at): # XXX -> ?
pinok
=
pin
pinok
=
pin
print
(
'# pinok: %s'
%
pinstr
(
pinok
))
print
(
'# pinok: %s'
%
pinstr
(
pinok
))
# send watch request and check that we receive pins for in-cache blocks
# changed > at. FIXME "in-cache" is currently not handled
twlink
.
_watch
(
zf
,
at
,
pinok
,
"ok"
)
twlink
.
_watch
(
zf
,
at
,
pinok
,
"ok"
)
# _watch sends watch request for zf@at, expects initial pins specified by pinok
,
and final reply.
# _watch sends watch request for zf@at, expects initial pins specified by pinok and final reply.
#
#
# pinok: {} blk -> at that have to be pinned.
# pinok: {} blk -> at that have to be pinned.
# if replyok ends with '…' only reply prefix until the dots is checked.
# if replyok ends with '…' only reply prefix until the dots is checked.
@
func
(
tWatchLink
)
@
func
(
tWatchLink
)
def
_watch
(
twlink
,
zf
,
at
,
pinok
,
replyok
):
def
_watch
(
twlink
,
zf
,
at
,
pinok
,
replyok
):
# send watch request and check that we receive pins for in-cache blocks
# changed > at. Use timeout to detect wcfs replying less pins than expected.
"""
#
# XXX detect not sent pins with timeout, or better via ack'ing previous
# pins as they come in (not waiting for all of them) and then seeing that
# we did not received expeced pin when wcfs sends final ok?
ctx, cancel = with_timeout()
wg = sync.WorkGroup(ctx)
def _(ctx):
pinv = twlink._expectPin(ctx, zf, pinok)
tdelay() # increase probability to receive erroneous extra pins
for p in pinv:
p.reply(b"ack") # XXX -> return to caller?
# check that we don't get extra pins before reply to "watch"
try:
req = twlink.recvReq(ctx)
except Exception as e:
if e is context.canceled:
return # cancel is expected after seeing "ok"
reraise(e, None, e.__traceback__)
assert False, "extra pin message received: %r" % req.msg
wg.go(_)
def _(ctx):
reply = twlink.sendReq(ctx, b"watch %s @%s" % (h(zf._p_oid), h(at)))
if replyok.endswith('…'):
rok = replyok[:-len('…')]
assert reply[:len(rok)] == rok
else:
assert reply == replyok
# cancel _expectPin waiting upon receiving reply from wcfs
# -> error that missed pins were not received.
cancel()
wg.go(_)
wg.wait()
"""
def
_
(
ctx
,
ev
):
def
_
(
ctx
,
ev
):
reply
=
twlink
.
sendReq
(
ctx
,
b"watch %s @%s"
%
(
h
(
zf
.
_p_oid
),
h
(
at
)))
reply
=
twlink
.
sendReq
(
ctx
,
b"watch %s @%s"
%
(
h
(
zf
.
_p_oid
),
h
(
at
)))
if
replyok
.
endswith
(
'…'
):
if
replyok
.
endswith
(
'…'
):
...
@@ -846,8 +806,8 @@ def _watch(twlink, zf, at, pinok, replyok):
...
@@ -846,8 +806,8 @@ def _watch(twlink, zf, at, pinok, replyok):
assert
reply
[:
len
(
rok
)]
==
rok
assert
reply
[:
len
(
rok
)]
==
rok
else
:
else
:
assert
reply
==
replyok
assert
reply
==
replyok
doCheckingPin
(
_
,
{
twlink
:
(
zf
,
pinok
)})
doCheckingPin
(
_
,
{
twlink
:
(
zf
,
pinok
)})
twlink
.
_watching
[
zf
]
=
at
twlink
.
_watching
[
zf
]
=
at
...
@@ -858,15 +818,15 @@ def _watch(twlink, zf, at, pinok, replyok):
...
@@ -858,15 +818,15 @@ def _watch(twlink, zf, at, pinok, replyok):
# pinokByWLink: {} tWatchLink -> (zf, {} blk -> at).
# pinokByWLink: {} tWatchLink -> (zf, {} blk -> at).
# pinfunc(wlink, foid, blk, at) | None. XXX foid -> ZBigFile?
# pinfunc(wlink, foid, blk, at) | None. XXX foid -> ZBigFile?
#
#
# pinfunc is called after pin request is received from wcfs but before pin ack
# pinfunc is called after pin request is received from wcfs
,
but before pin ack
# is replied back.
p
infunc must not block.
# is replied back.
P
infunc must not block.
def
doCheckingPin
(
f
,
pinokByWLink
,
pinfunc
=
None
):
# -> []event(str)
def
doCheckingPin
(
f
,
pinokByWLink
,
pinfunc
=
None
):
# -> []event(str)
# call f and check that we receive pins as specified.
# call f and check that we receive pins as specified.
# Use timeout to detect wcfs replying less pins than expected.
# Use timeout to detect wcfs replying less pins than expected.
#
#
# XXX detect not sent pins
with timeout, or better via ack'ing previous
# XXX detect not sent pins
via ack'ing previous pins as they come in (not
#
pins as they come in (not waiting for all of them) and then seeing that
#
waiting for all of them) and then seeing that we did not received expeced
#
we did not received expeced pin when wcfs sends final ok
?
#
pin when f completes
?
ctx
,
cancel
=
with_timeout
()
ctx
,
cancel
=
with_timeout
()
wg
=
sync
.
WorkGroup
(
ctx
)
wg
=
sync
.
WorkGroup
(
ctx
)
ev
=
[]
ev
=
[]
...
...
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