def sendfile(self, fpath, size, callback=None):
self._check_closed()
if not "ws_buffer" in dir(self):
self.ws_buffer = deque()
if not "on_queue_change" in dir(self):
def on_queue_change(change):
pass
self.on_queue_change = on_queue_change
if self._write_buffer:
append_wbuf(self, self._write_buffer)
self._write_buffer = None # не используем
def replace_meth(name, sf_meth):
#old = getattr(self, name)
def wrapper(*args, **kw):
#if self.is_sendfile_on:
#res = sf_meth(self, *args, **kw)
#else:
#res = old(*args, **kw)
#return res
return sf_meth(self, *args, **kw)
setattr(self, name, wrapper)
replace_meth("_handle_write", handle_write)
replace_meth("writing", writing)
replace_meth("write", write_to_stream)
orig_close_fd = self.close_fd
def close_fd(self):
handle_close_fd(self)
orig_close_fd()
replace_meth("close_fd", close_fd)
is_ok = True
open_by_request = True
if open_by_request:
f = None
else:
# :TRICKY: жестокая реальность говорит нам, что файлы
# могут не открываться, "Too many open files" => тогда
# ничего не остается, кроме как закрыть поток, иначе будем
# писать ерунду
is_ok, f = try_open(fpath)
if is_ok:
# :TRICKY: нельзя менять значения tuple'а
#SFClass = collections.namedtuple('SFClass', ['f', 'off', 'sz'])
#sf = SFClass(open(fpath, "rb"), 0, size)
sf = api.make_struct(
f=f,
off=0,
sz=size,
fpath=fpath,
)
append_to_q(self, True, sf)
try_write(self, callback)
else:
self.close()
if callback:
callback()
if callback:
callback(None)
io_loop.stop()
process()
io_loop.start()
if True:
test_timer = False
if test_timer:
def on_test_timer():
print("!")
set_timer(1, on_test_timer)
else:
def write_func(stream, is_first):
stream.write(b"Hello\n")
print("written!")
obj = api.make_struct()
def on_timeout():
connect_to_dvr(obj, (host, port), write_func)
set_timer(1, on_timeout)
io_loop.start()
stream = yield gen.Task(connect, host, port)
if stream:
stream.close()
if callback:
callback(None)
io_loop.stop()
process()
io_loop.start()
if True:
test_timer = False
if test_timer:
def on_test_timer():
print("!")
set_timer(1, on_test_timer)
else:
def write_func(stream, is_first):
stream.write(b"Hello\n")
print("written!")
obj = api.make_struct()
def on_timeout():
connect_to_dvr(obj, (host, port), write_func)
set_timer(1, on_timeout)
io_loop.start()
def sendfile(self, fpath, size, callback=None):
self._check_closed()
if not "ws_buffer" in dir(self):
self.ws_buffer = deque()
if not "on_queue_change" in dir(self):
def on_queue_change(change):
pass
self.on_queue_change = on_queue_change
if self._write_buffer:
append_wbuf(self, self._write_buffer)
self._write_buffer = None # не используем
def replace_meth(name, sf_meth):
#old = getattr(self, name)
def wrapper(*args, **kw):
#if self.is_sendfile_on:
#res = sf_meth(self, *args, **kw)
#else:
#res = old(*args, **kw)
#return res
return sf_meth(self, *args, **kw)
setattr(self, name, wrapper)
replace_meth("_handle_write", handle_write)
replace_meth("writing", writing)
replace_meth("write", write_to_stream)
orig_close_fd = self.close_fd
def close_fd(self):
handle_close_fd(self)
orig_close_fd()
replace_meth("close_fd", close_fd)
is_ok = True
open_by_request = True
if open_by_request:
f = None
else:
# :TRICKY: жестокая реальность говорит нам, что файлы
# могут не открываться, "Too many open files" => тогда
# ничего не остается, кроме как закрыть поток, иначе будем
# писать ерунду
is_ok, f = try_open(fpath)
if is_ok:
# :TRICKY: нельзя менять значения tuple'а
#SFClass = collections.namedtuple('SFClass', ['f', 'off', 'sz'])
#sf = SFClass(open(fpath, "rb"), 0, size)
sf = api.make_struct(
f = f,
off = 0,
sz = size,
fpath = fpath,
)
append_to_q(self, True, sf)
try_write(self, callback)
else:
self.close()
if callback:
callback()
