def makeStdIn():
vat = currentVat.get()
uv_loop = vat.uv_loop
stdinKind = ruv.guess_handle(0)
if stdinKind == ruv.HANDLE_TTY:
stdin = ruv.alloc_tty(uv_loop, 0, True)
return StreamFount(ruv.rffi.cast(ruv.stream_tp, stdin), vat)
else:
return FileFount(ruv.alloc_fs(), 0, vat)
def run(self, data):
if self.closed:
raise userError(u"run/1: Couldn't write to closged file")
sb = ruv.scopedBufs([data], self)
bufs = sb.allocate()
fs = ruv.alloc_fs()
ruv.stashFS(fs, (self._vat, sb))
ruv.fsWrite(self._vat.uv_loop, fs, self._fd, bufs, 1, -1, writeFileCB)
def makeStdIn():
vat = currentVat.get()
uv_loop = vat.uv_loop
stdinKind = ruv.guess_handle(0)
if stdinKind == ruv.HANDLE_TTY:
stdin = ruv.alloc_tty(uv_loop, 0, True)
return StreamFount(ruv.rffi.cast(ruv.stream_tp, stdin), vat)
else:
return FileFount(ruv.alloc_fs(), 0, vat)
def makeStdErr():
vat = currentVat.get()
uv_loop = vat.uv_loop
stderrKind = ruv.guess_handle(2)
if stderrKind == ruv.HANDLE_TTY:
tty = ruv.alloc_tty(uv_loop, 2, False)
# ruv.TTYSetMode(tty, ruv.TTY_MODE_RAW)
return StreamDrain(ruv.rffi.cast(ruv.stream_tp, tty), vat)
else:
return FileDrain(ruv.alloc_fs(), 2, vat)
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 makeStdErr():
vat = currentVat.get()
uv_loop = vat.uv_loop
stderrKind = ruv.guess_handle(2)
if stderrKind == ruv.HANDLE_TTY:
tty = ruv.alloc_tty(uv_loop, 2, False)
# ruv.TTYSetMode(tty, ruv.TTY_MODE_RAW)
return StreamDrain(ruv.rffi.cast(ruv.stream_tp, tty), vat)
else:
return FileDrain(ruv.alloc_fs(), 2, vat)
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 stderr(self):
vat = currentVat.get()
uv_loop = vat.uv_loop
kind = ruv.guess_handle(2)
if kind == ruv.HANDLE_TTY:
stderr = ruv.alloc_tty(uv_loop, 2, False)
stream = ruv.wrapStream(ruv.rffi.cast(ruv.stream_tp, stderr), 1)
return StreamSink(stream, vat)
else:
return FileSink(ruv.alloc_fs(), 2, vat)
def stdin(self):
vat = currentVat.get()
uv_loop = vat.uv_loop
kind = ruv.guess_handle(0)
if kind == ruv.HANDLE_TTY:
stdin = ruv.alloc_tty(uv_loop, 0, True)
stream = ruv.wrapStream(ruv.rffi.cast(ruv.stream_tp, stdin), 1)
return StreamSource(stream, vat)
else:
return FileSource(ruv.alloc_fs(), 0, vat)
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 makeStdOut():
vat = currentVat.get()
uv_loop = vat.uv_loop
stdoutKind = ruv.guess_handle(1)
if stdoutKind == ruv.HANDLE_TTY:
tty = ruv.alloc_tty(uv_loop, 1, False)
# XXX works exactly as expected, including disabling most TTY signal
# generation
# ruv.TTYSetMode(tty, ruv.TTY_MODE_RAW)
return StreamDrain(ruv.rffi.cast(ruv.stream_tp, tty), vat)
else:
return FileDrain(ruv.alloc_fs(), 1, vat)
def makeStdOut():
vat = currentVat.get()
uv_loop = vat.uv_loop
stdoutKind = ruv.guess_handle(1)
if stdoutKind == ruv.HANDLE_TTY:
tty = ruv.alloc_tty(uv_loop, 1, False)
# XXX works exactly as expected, including disabling most TTY signal
# generation
# ruv.TTYSetMode(tty, ruv.TTY_MODE_RAW)
return StreamDrain(ruv.rffi.cast(ruv.stream_tp, tty), vat)
else:
return FileDrain(ruv.alloc_fs(), 1, vat)
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 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 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 _cleanup(self):
fs = ruv.alloc_fs()
ruv.stashFS(fs, (self._vat, self))
ruv.fsClose(self._vat.uv_loop, fs, self._fd, ruv.fsUnstashAndDiscard)
self.closed = True
def _cleanup(self):
uv_loop = self._vat.uv_loop
fs = ruv.alloc_fs()
ruv.stashFS(fs, (self._vat, self))
ruv.fsClose(uv_loop, fs, self._fd, ruv.fsUnstashAndDiscard)
ruv.freeBuf(self._buf)
