def renameCB(fs):
try:
success = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
if success < 0:
msg = ruv.formatError(success).decode("utf-8")
r.smash(StrObject(u"Couldn't rename file: %s" % msg))
else:
r.resolve(NullObject)
# Done with fs.
ruv.fsDiscard(fs)
except:
print "Exception in renameCB"
def renameCB(fs):
try:
success = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
if success < 0:
msg = ruv.formatError(success).decode("utf-8")
r.smash(StrObject(u"Couldn't rename file: %s" % msg))
else:
r.resolve(NullObject)
# Done with fs.
ruv.fsDiscard(fs)
except:
print "Exception in renameCB"
def closeSetContentsCB(fs):
try:
vat, sc = ruv.unstashFS(fs)
# Need to scope vat here.
with scopedVat(vat):
assert isinstance(sc, SetContents)
size = intmask(fs.c_result)
if size < 0:
msg = ruv.formatError(size).decode("utf-8")
sc.fail(u"libuv error: %s" % msg)
else:
# Success.
sc.rename()
except:
print "Exception in closeSetContentsCB"
def readFileCB(fs):
size = intmask(fs.c_result)
vat, source = ruv.unstashFS(fs)
assert isinstance(source, FileSource)
with scopedVat(vat):
if size > 0:
data = charpsize2str(source._buf.c_base, size)
source.deliver(data)
elif size < 0:
msg = ruv.formatError(size).decode("utf-8")
source.abort(u"libuv error: %s" % msg)
else:
# EOF.
source.complete()
ruv.fsDiscard(fs)
def closeSetContentsCB(fs):
try:
vat, sc = ruv.unstashFS(fs)
# Need to scope vat here.
with scopedVat(vat):
assert isinstance(sc, SetContents)
size = intmask(fs.c_result)
if size < 0:
msg = ruv.formatError(size).decode("utf-8")
sc.fail(u"libuv error: %s" % msg)
else:
# Success.
sc.rename()
except:
print "Exception in closeSetContentsCB"
def openDrainCB(fs):
# As above.
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file drain: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
r.resolve(FileDrain(fs, fd, vat))
except:
print "Exception in openDrainCB"
def writeFileCB(fs):
try:
vat, sb = ruv.unstashFS(fs)
sink = sb.obj
assert isinstance(sink, FileSink)
size = intmask(fs.c_result)
if size > 0:
# XXX backpressure drain.written(size)
pass
elif size < 0:
msg = ruv.formatError(size).decode("utf-8")
sink.abort(StrObject(u"libuv error: %s" % msg))
sb.deallocate()
ruv.fsDiscard(fs)
except:
print "Exception in writeFileCB"
def openDrainCB(fs):
# As above.
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file drain: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
r.resolve(FileDrain(fs, fd, vat))
except:
print "Exception in openDrainCB"
def openFountCB(fs):
# Does *not* run user-level code. The scoped vat is only for promise
# resolution.
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file fount: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
r.resolve(FileFount(fs, fd, vat))
except:
print "Exception in openFountCB"
def openFountCB(fs):
# Does *not* run user-level code. The scoped vat is only for promise
# resolution.
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file fount: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
r.resolve(FileFount(fs, fd, vat))
except:
print "Exception in openFountCB"
def getContentsCB(fs):
try:
size = intmask(fs.c_result)
# Don't use with-statements here; instead, each next action in
# GetContents will re-stash if necessary. ~ C.
vat, self = ruv.unstashFS(fs)
assert isinstance(self, GetContents)
if size > 0:
data = charpsize2str(self.buf.c_base, size)
self.append(data)
elif size < 0:
msg = ruv.formatError(size).decode("utf-8")
self.fail(msg)
else:
# End of file! Complete the callback.
self.succeed()
except Exception:
print "Exception in getContentsCB"
def getContentsCB(fs):
try:
size = intmask(fs.c_result)
# Don't use with-statements here; instead, each next action in
# GetContents will re-stash if necessary. ~ C.
vat, self = ruv.unstashFS(fs)
assert isinstance(self, GetContents)
if size > 0:
data = charpsize2str(self.buf.c_base, size)
self.append(data)
elif size < 0:
msg = ruv.formatError(size).decode("utf-8")
self.fail(msg)
else:
# End of file! Complete the callback.
self.succeed()
except Exception:
print "Exception in getContentsCB"
def openGetContentsCB(fs):
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file fount: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
# Strategy: Read and use the callback to queue additional reads
# until done. This call is known to its caller to be expensive, so
# there's not much point in trying to be clever about things yet.
gc = GetContents(vat, fs, fd, r)
gc.queueRead()
except:
print "Exception in openGetContentsCB"
def openGetContentsCB(fs):
try:
fd = intmask(fs.c_result)
vat, r = ruv.unstashFS(fs)
assert isinstance(r, LocalResolver)
with scopedVat(vat):
if fd < 0:
msg = ruv.formatError(fd).decode("utf-8")
r.smash(StrObject(u"Couldn't open file fount: %s" % msg))
# Done with fs.
ruv.fsDiscard(fs)
else:
# Strategy: Read and use the callback to queue additional reads
# until done. This call is known to its caller to be expensive, so
# there's not much point in trying to be clever about things yet.
gc = GetContents(vat, fs, fd, r)
gc.queueRead()
except:
print "Exception in openGetContentsCB"
