def testRefEqualitySettled(self):
with scopedVat(testingVat()):
first, r = makePromise()
r.resolve(IntObject(42))
second, r = makePromise()
r.resolve(IntObject(42))
self.assertEqual(optSame(first, second), EQUAL)
def testRefEqualitySettled(self):
with scopedVat(testingVat()):
first, r = makePromise()
r.resolve(IntObject(42))
second, r = makePromise()
r.resolve(IntObject(42))
self.assertEqual(optSame(first, second), EQUAL)
def recv(self, atom, args):
from typhon.objects.collections.maps import EMPTY_MAP
if atom is FROMNOW_1:
duration = promoteToDouble(args[0])
p, r = makePromise()
vat = currentVat.get()
uv_timer = ruv.alloc_timer(vat.uv_loop)
# Stash the resolver.
ruv.stashTimer(uv_timer, (vat, r))
# repeat of 0 means "don't repeat"
ruv.timerStart(uv_timer, resolveTimer, int(duration * 1000), 0)
assert ruv.isActive(uv_timer), "Timer isn't active!?"
return p
if atom is TRIAL_1:
obj = args[0]
then = time.time()
obj.call(u"run", [])
now = time.time()
# We can't give the value up immediately, due to determinism
# requirements. Instead, provide it as a promise which will be
# available on subsequent turns.
rv = DoubleObject(now - then)
p, r = makePromise()
vat = currentVat.get()
vat.sendOnly(r, RESOLVE_1, [rv], EMPTY_MAP)
return p
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.objects.collections.maps import EMPTY_MAP
if atom is FROMNOW_1:
duration = promoteToDouble(args[0])
p, r = makePromise()
vat = currentVat.get()
uv_timer = ruv.alloc_timer(vat.uv_loop)
# Stash the resolver.
ruv.stashTimer(uv_timer, (vat, r))
# repeat of 0 means "don't repeat"
ruv.timerStart(uv_timer, resolveTimer, int(duration * 1000), 0)
assert ruv.isActive(uv_timer), "Timer isn't active!?"
return p
if atom is TRIAL_1:
obj = args[0]
then = time.time()
obj.call(u"run", [])
now = time.time()
# We can't give the value up immediately, due to determinism
# requirements. Instead, provide it as a promise which will be
# available on subsequent turns.
rv = DoubleObject(now - then)
p, r = makePromise()
vat = currentVat.get()
vat.sendOnly(r, RESOLVE_1, [rv], EMPTY_MAP)
return p
raise Refused(self, atom, args)
def testSwitchableChains(self):
with scopedVat(testingVat()):
p, r = makePromise()
p2, r2 = makePromise()
r.resolve(p2)
self.assertFalse(isResolved(p))
r2.resolve(IntObject(42))
self.assertTrue(isResolved(p))
def testSwitchableChains(self):
with scopedVat(testingVat()):
p, r = makePromise()
p2, r2 = makePromise()
r.resolve(p2)
self.assertFalse(isResolved(p))
r2.resolve(IntObject(42))
self.assertTrue(isResolved(p))
def run(self, sink):
if self._closed:
# Surprisingly, we do *not* need to throw here; we can simply
# indicate that we're already done.
from typhon.objects.collections.maps import EMPTY_MAP
if self._failure is None:
return self._vat.send(sink, COMPLETE_0, [], EMPTY_MAP)
else:
return self._vat.send(sink, ABORT_1, [self._failure],
EMPTY_MAP)
p, r = makePromise()
self._queue.append((r, sink))
with io:
try:
data = ruv.magic_readStart(self._stream._stream)
except object as err:
sendAllSinks(self, ABORT_1,
[StrObject(u"libuv error: %s" % err)])
cleanup(self)
else:
if data == "":
sendAllSinks(self, COMPLETE_0, [])
cleanup(self)
else:
sendNextSink(self, RUN_1, [BytesObject(data)])
return p
def testSwitchableBecomesResolved(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertFalse(isResolved(p))
r.resolve(IntObject(42))
self.assertTrue(isResolved(p))
def testSwitchableBecomesResolved(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertFalse(isResolved(p))
r.resolve(IntObject(42))
self.assertTrue(isResolved(p))
def setContents(self, data):
sibling = self.temporarySibling(".setContents")
p, r = makePromise()
vat = currentVat.get()
path = sibling.asBytes()
# Use CREAT | EXCL to cause a failure if the temporary file
# already exists.
flags = os.O_WRONLY | os.O_CREAT | os.O_EXCL
with io:
f = 0
try:
f = ruv.magic_fsOpen(vat, path, flags, 0777)
except object as err:
smash(r, StrObject(u"Couldn't open file fount: %s" % err))
else:
try:
writeLoop(f, data)
except object as err:
ruv.magic_fsClose(vat, f)
smash(r, StrObject(u"libuv error: %s" % err))
else:
ruv.magic_fsClose(vat, f)
ruv.magic_fsRename(vat, path, self.asBytes())
resolve(r, NullObject)
return p
def wait(self):
p, r = makePromise()
if self.exit_and_signal != self.EMPTY_EXIT_AND_SIGNAL:
self.resolveWaiter(r)
else:
self.resolvers.append(r)
return p
def wait(self):
p, r = makePromise()
if self.exit_and_signal != self.EMPTY_EXIT_AND_SIGNAL:
self.resolveWaiter(r)
else:
self.resolvers.append(r)
return p
def connect(self):
vat = currentVat.get()
stream = ruv.alloc_tcp(vat.uv_loop)
fount, fountResolver = makePromise()
drain, drainResolver = makePromise()
# Ugh, the hax.
resolvers = ConstList([fountResolver, drainResolver])
ruv.stashStream(ruv.rffi.cast(ruv.stream_tp, stream), (vat, resolvers))
# Make the actual connection.
ruv.tcpConnect(stream, self.host, self.port, connectCB)
# Return the promises.
return ConstList([fount, drain])
def connect(self):
vat = currentVat.get()
stream = ruv.alloc_tcp(vat.uv_loop)
fount, fountResolver = makePromise()
drain, drainResolver = makePromise()
# Ugh, the hax.
resolvers = wrapList([fountResolver, drainResolver])
ruv.stashStream(ruv.rffi.cast(ruv.stream_tp, stream),
(vat, resolvers))
# Make the actual connection.
ruv.tcpConnect(stream, self.host, self.port, connectCB)
# Return the promises.
return [fount, drain]
def connectStream(self):
vat = currentVat.get()
stream = ruv.alloc_tcp(vat.uv_loop)
source, sourceResolver = makePromise()
sink, sinkResolver = makePromise()
# Ugh, the hax.
resolvers = wrapList([sourceResolver, sinkResolver])
ruv.stashStream(ruv.rffi.cast(ruv.stream_tp, stream),
(vat, resolvers))
# Make the actual connection.
ruv.tcpConnect(stream, self.host, self.port, connectStreamCB)
# Return the promises.
return [source, sink]
def run(self, sink):
p, r = makePromise()
self._queue.append((r, sink))
with scoped_alloc(ruv.rffi.CArray(ruv.buf_t), 1) as bufs:
bufs[0].c_base = self._buf.c_base
bufs[0].c_len = self._buf.c_len
ruv.fsRead(self._vat.uv_loop, self._fs, self._fd, bufs, 1, -1,
readFileCB)
return p
def send(self, target, atom, args, namedArgs):
from typhon.objects.refs import makePromise
promise, resolver = makePromise()
with self._pendingLock:
self._pending.append((resolver, target, atom, args, namedArgs))
self.log(u"Planning to send: %s<-%s(%s) (resolver: yes)" %
(target.toQuote(), atom.verb,
u", ".join([arg.toQuote() for arg in args])))
return promise
def send(self, target, atom, args, namedArgs):
from typhon.objects.refs import makePromise
promise, resolver = makePromise()
with self._pendingLock:
self._pending.append((resolver, target, atom, args, namedArgs))
# self.log(u"Planning to send: %s<-%s(%s) (resolver: yes)" %
# (target.toQuote(), atom.verb,
# u", ".join([arg.toQuote() for arg in args])))
return promise
def connectStream(self):
"""
Connect this endpoint, returning a `[source, sink]` pair.of vows.
"""
vat = currentVat.get()
stream = ruv.alloc_tcp(vat.uv_loop)
source, sourceResolver = makePromise()
sink, sinkResolver = makePromise()
# Ugh, the hax.
resolvers = wrapList([sourceResolver, sinkResolver])
ruv.stashStream(ruv.rffi.cast(ruv.stream_tp, stream),
(vat, resolvers))
vat.enqueueEvent(ConnectStreamIOEvent(
vat, stream, self.host, self.port, self.inet_type))
# Return the promises.
return [source, sink]
def getAddrInfo(node, service):
node = unwrapBytes(node)
service = unwrapBytes(service)
vat = currentVat.get()
gai = ruv.alloc_gai()
p, r = makePromise()
ruv.stashGAI(gai, (vat, r))
ruv.getAddrInfo(vat.uv_loop, gai, gaiCB, node, service,
nullptr(ruv.s.addrinfo))
return p
def getAddrInfo(node, service):
node = unwrapBytes(node)
service = unwrapBytes(service)
vat = currentVat.get()
gai = ruv.alloc_gai()
p, r = makePromise()
ruv.stashGAI(gai, (vat, r))
ruv.getAddrInfo(vat.uv_loop, gai, gaiCB, node, service,
nullptr(ruv.s.addrinfo))
return p
def rename(self, dest):
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
src = self.asBytes()
ruv.stashFS(fs, (vat, r))
ruv.fsRename(uv_loop, fs, src, dest, renameCB)
return p
def rename(self, dest):
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
src = self.asBytes()
ruv.stashFS(fs, (vat, r))
ruv.fsRename(uv_loop, fs, src, dest, renameCB)
return p
def fromNow(self, duration):
p, r = makePromise()
vat = currentVat.get()
uv_timer = ruv.alloc_timer(vat.uv_loop)
now = ruv.now(vat.uv_loop)
# Stash the resolver.
ruv.stashTimer(uv_timer, (vat, (r, now)))
# repeat of 0 means "don't repeat"
ruv.timerStart(uv_timer, resolveTimer, int(duration * 1000), 0)
return p
def fromNow(self, duration):
p, r = makePromise()
vat = currentVat.get()
uv_timer = ruv.alloc_timer(vat.uv_loop)
now = ruv.now(vat.uv_loop)
# Stash the resolver.
ruv.stashTimer(uv_timer, (vat, (r, now)))
# repeat of 0 means "don't repeat"
ruv.timerStart(uv_timer, resolveTimer, int(duration * 1000), 0)
return p
def run(self, sink):
p, r = makePromise()
self._queue.append((r, sink))
with scoped_alloc(ruv.rffi.CArray(ruv.buf_t), 1) as bufs:
bufs[0].c_base = self._buf.c_base
bufs[0].c_len = self._buf.c_len
fs = ruv.alloc_fs()
ruv.stashFS(fs, (self._vat, self))
ruv.fsRead(self._vat.uv_loop, fs, self._fd, bufs, 1, -1,
readFileCB)
return p
def connectStream(self):
"""
Connect this endpoint, returning a `[source, sink]` pair.of vows.
"""
vat = currentVat.get()
stream = ruv.alloc_tcp(vat.uv_loop)
source, sourceResolver = makePromise()
sink, sinkResolver = makePromise()
# Ugh, the hax.
resolvers = wrapList([sourceResolver, sinkResolver])
ruv.stashStream(ruv.rffi.cast(ruv.stream_tp, stream), (vat, resolvers))
# Make the actual connection.
if self.inet_type == 4:
ruv.tcp4Connect(stream, self.host, self.port, connectStreamCB)
elif self.inet_type == 6:
ruv.tcp6Connect(stream, self.host, self.port, connectStreamCB)
# Return the promises.
return [source, sink]
def rename(self, fr):
if not isinstance(fr, FileResource):
raise userError(u"rename/1: Must be file resource")
dest = fr.asBytes()
p, r = makePromise()
vat = currentVat.get()
with io:
try:
ruv.magic_fsRename(vat, self.asBytes(), dest)
except object as err:
smash(r, StrObject(u"Couldn't rename file: %s" % err))
else:
resolve(r, NullObject)
return p
def recv(self, atom, args):
if atom is GETCONTENTS_0:
return self.open(openGetContentsCB, flags=os.O_RDONLY, mode=0000)
if atom is SETCONTENTS_1:
data = unwrapBytes(args[0])
sibling = self.temporarySibling(".setContents")
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
path = sibling.asBytes()
# Use CREAT | EXCL to cause a failure if the temporary file
# already exists.
flags = os.O_WRONLY | os.O_CREAT | os.O_EXCL
sc = SetContents(vat, data, r, sibling, self)
ruv.stashFS(fs, (vat, sc))
ruv.fsOpen(uv_loop, fs, path, flags, 0777, openSetContentsCB)
return p
if atom is OPENFOUNT_0:
return self.open(openFountCB, flags=os.O_RDONLY, mode=0000)
if atom is OPENDRAIN_0:
# Create the file if it doesn't yet exist, and truncate it if it
# does. Trust the umask to be reasonable for now.
flags = os.O_CREAT | os.O_WRONLY
# XXX this behavior should be configurable via namedarg?
flags |= os.O_TRUNC
return self.open(openDrainCB, flags=flags, mode=0777)
if atom is RENAME_1:
fr = args[0]
if not isinstance(fr, FileResource):
raise userError(u"rename/1: Must be file resource")
return self.rename(fr.asBytes())
if atom is SIBLING_1:
name = unwrapStr(args[0])
if u'/' in name:
raise userError(u"sibling/1: Illegal file name '%s'" % name)
return self.sibling(name.encode("utf-8"))
if atom is TEMPORARYSIBLING_0:
return self.temporarySibling(".new")
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is GETCONTENTS_0:
return self.open(openGetContentsCB, flags=os.O_RDONLY, mode=0000)
if atom is SETCONTENTS_1:
data = unwrapBytes(args[0])
sibling = self.temporarySibling(".setContents")
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
path = sibling.asBytes()
# Use CREAT | EXCL to cause a failure if the temporary file
# already exists.
flags = os.O_WRONLY | os.O_CREAT | os.O_EXCL
sc = SetContents(vat, data, r, sibling, self)
ruv.stashFS(fs, (vat, sc))
ruv.fsOpen(uv_loop, fs, path, flags, 0777, openSetContentsCB)
return p
if atom is OPENFOUNT_0:
return self.open(openFountCB, flags=os.O_RDONLY, mode=0000)
if atom is OPENDRAIN_0:
# Create the file if it doesn't yet exist, and truncate it if it
# does. Trust the umask to be reasonable for now.
flags = os.O_CREAT | os.O_WRONLY
# XXX this behavior should be configurable via namedarg?
flags |= os.O_TRUNC
return self.open(openDrainCB, flags=flags, mode=0777)
if atom is RENAME_1:
fr = args[0]
if not isinstance(fr, FileResource):
raise userError(u"rename/1: Must be file resource")
return self.rename(fr.asBytes())
if atom is SIBLING_1:
name = unwrapStr(args[0])
if u'/' in name:
raise userError(u"sibling/1: Illegal file name '%s'" % name)
return self.sibling(name.encode("utf-8"))
if atom is TEMPORARYSIBLING_0:
return self.temporarySibling(".new")
raise Refused(self, atom, args)
def open(self, callback, flags=None, mode=None):
# Always call this as .open(callback, flags=..., mode=...)
assert flags is not None
assert mode is not None
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
path = self.asBytes()
log.log(["fs"], u"makeFileResource: Opening file '%s'" % path.decode("utf-8"))
ruv.stashFS(fs, (vat, r))
ruv.fsOpen(uv_loop, fs, path, flags, mode, callback)
return p
def run(self, sink):
if self._closed:
# Surprisingly, we do *not* need to throw here; we can simply
# indicate that we're already done.
from typhon.objects.collections.maps import EMPTY_MAP
if self._failure is None:
return self._vat.send(sink, COMPLETE_0, [], EMPTY_MAP)
else:
return self._vat.send(sink, ABORT_1, [self._failure],
EMPTY_MAP)
p, r = makePromise()
self._queue.append((r, sink))
ruv.readStart(self._stream._stream, ruv.allocCB, readStreamCB)
return p
def run(self, sink):
if self._closed:
# Surprisingly, we do *not* need to throw here; we can simply
# indicate that we're already done.
from typhon.objects.collections.maps import EMPTY_MAP
if self._failure is None:
return self._vat.send(sink, COMPLETE_0, [], EMPTY_MAP)
else:
return self._vat.send(sink, ABORT_1, [self._failure],
EMPTY_MAP)
p, r = makePromise()
self._queue.append((r, sink))
ruv.readStart(self._stream._stream, ruv.allocCB, readStreamCB)
return p
def getAddrInfo(node, service):
node = unwrapBytes(node)
service = unwrapBytes(service)
vat = currentVat.get()
p, r = makePromise()
emptyAI = nullptr(ruv.s.addrinfo)
with io:
ai = emptyAI
try:
ai = ruv.magic_getAddrInfo(vat, node, service)
except object as err:
smash(r, StrObject(u"libuv error: %s" % err))
else:
resolve(r, wrapList(walkAI(ai)[:]))
return p
def open(self, callback, flags=None, mode=None):
# Always call this as .open(callback, flags=..., mode=...)
assert flags is not None
assert mode is not None
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
path = self.asBytes()
log.log(["fs"],
u"makeFileResource: Opening file '%s'" % path.decode("utf-8"))
ruv.stashFS(fs, (vat, r))
ruv.fsOpen(uv_loop, fs, path, flags, mode, callback)
return p
def setContents(self, data):
sibling = self.temporarySibling(".setContents")
p, r = makePromise()
vat = currentVat.get()
uv_loop = vat.uv_loop
fs = ruv.alloc_fs()
path = sibling.asBytes()
# Use CREAT | EXCL to cause a failure if the temporary file
# already exists.
flags = os.O_WRONLY | os.O_CREAT | os.O_EXCL
sc = SetContents(vat, data, r, sibling, self)
ruv.stashFS(fs, (vat, sc))
ruv.fsOpen(uv_loop, fs, path, flags, 0777, openSetContentsCB)
return p
def run(self, sink):
p, r = makePromise()
self._queue.append((r, sink))
# XXX long handwavey explanation of io macro limitations vs rpython
# type unification here
vat, fd, buf = self._vat, self._fd, self._buf
with io:
try:
data = ruv.magic_fsRead(vat, fd, buf)
except object as err:
sendAllSinks(self, ABORT_1, [StrObject(u"libuv error: %s" % err)])
ruv.magic_fsClose(self._vat, self._fd)
cleanup(self)
else:
if data == "":
sendAllSinks(self, COMPLETE_0, [])
ruv.magic_fsClose(self._vat, self._fd)
else:
sendNextSink(self, RUN_1, [BytesObject(data)])
return p
def getContents(self):
p, r = makePromise()
vat = currentVat.get()
buf = ruv.allocBuf(16384)
path = self.asBytes()
log.log(["fs"], u"makeFileResource: Opening file '%s'" % path.decode("utf-8"))
with io:
f = 0
try:
f = ruv.magic_fsOpen(vat, path, os.O_RDONLY, 0000)
except object as err:
smash(r, StrObject(u"Couldn't open file fount: %s" % err))
else:
try:
contents = readLoop(f, buf)
except object as err:
ruv.magic_fsClose(vat, f)
smash(r, StrObject(u"libuv error: %s" % err))
else:
ruv.magic_fsClose(vat, f)
resolve(r, BytesObject(contents))
return p
def recv(self, atom, args):
from typhon.objects.collections.maps import EMPTY_MAP
if atom is UNSAFENOW_0:
return DoubleObject(time.time())
if atom is FROMNOW_1:
duration = promoteToDouble(args[0])
p, r = makePromise()
vat = currentVat.get()
uv_timer = ruv.alloc_timer(vat.uv_loop)
# Stash the resolver.
ruv.stashTimer(uv_timer, (vat, r))
# repeat of 0 means "don't repeat"
ruv.timerStart(uv_timer, resolveTimer, int(duration * 1000), 0)
assert ruv.isActive(uv_timer), "Timer isn't active!?"
return p
if atom is SENDTIMESTAMP_1:
now = time.time()
vat = currentVat.get()
return vat.send(args[0], RUN_1, [DoubleObject(now)], EMPTY_MAP)
raise Refused(self, atom, args)
def fromNow(self, duration):
p, r = makePromise()
vat = currentVat.get()
vat.enqueueEvent(TimerIOEvent(vat, r, duration))
return p
def testRefEqualityReflexive(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertEqual(optSame(p, p), EQUAL)
def testRefEquality(self):
with scopedVat(testingVat()):
first, r = makePromise()
second, r = makePromise()
self.assertEqual(optSame(first, second), NOTYET)
def testPromise(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertFalse(isSettled(p))
def testPromiseResolved(self):
with scopedVat(testingVat()):
p, r = makePromise()
r.resolve(IntObject(42))
self.assertTrue(isSettled(p))
def testRefEqualityReflexive(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertEqual(optSame(p, p), EQUAL)
def testRefEquality(self):
with scopedVat(testingVat()):
first, r = makePromise()
second, r = makePromise()
self.assertEqual(optSame(first, second), NOTYET)
def testPromise(self):
with scopedVat(testingVat()):
p, r = makePromise()
self.assertFalse(p.isSettled())
def testPromiseResolved(self):
with scopedVat(testingVat()):
p, r = makePromise()
r.resolve(IntObject(42))
self.assertTrue(p.isSettled())
def makeNear(o):
p, r = makePromise()
r.resolve(o)
return p
def makeNear(o):
p, r = makePromise()
r.resolve(o)
return p
