def serve(self, socket):
with self.lock:
self.socket = socket
sendall = self.socket.sendall
readline = self.socket.makefile().readline
try:
while self.socket:
self.limit.acquire()
# Idea: Send first, receive later. If the client is to
# slow to get the send-buffer empty, he cannot send.
while self.sendbuffer:
sendall(self.sendbuffer.popleft())
line = readline().strip()
if not line:
break
arguments = line.split()
command = arguments.pop(0)
try:
self.canvas.fire('COMMAND-%s' % command.upper(), self, *arguments)
except Exception, e:
socket.send('ERROR %r :(' % e)
break
finally:
self.disconnect()
def odbierz_dane(socket):
rozmiar = int(socket.recv(1024))
if rozmiar != 0:
socket.send("1")
dane = socket.recv(rozmiar)
return dane
else:
socket.send("0")
print "Problem z odbiorem danych!"
def wyslij_dane(socket, dane):
dlugosc = str(len(dane))
socket.send(dlugosc)
ack = socket.recv(3)
ack = int(ack)
if ack == 1:
socket.send(dane)
else:
print "Mamy problem - serwer nie odpowiada na wiadomosc o dlugosci danych!"
def send(self, data, flags=0, timeout=timeout_default):
if timeout is timeout_default:
timeout = self.timeout
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to send() on %s" %
self.__class__)
while True:
try:
v = self._sslobj.write(data)
except SSLError as x:
if x.args[0] == SSL_ERROR_WANT_READ:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._read_event)
elif x.args[0] == SSL_ERROR_WANT_WRITE:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._write_event)
else:
raise
else:
return v
else:
return socket.send(self, data, flags, timeout)
def send(self, data, flags=0, timeout=timeout_default):
if timeout is timeout_default:
timeout = self.timeout
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to send() on %s" %
self.__class__)
while True:
try:
v = self._sslobj.write(data)
except SSLError:
x = sys.exc_info()[1]
if x.args[0] == SSL_ERROR_WANT_READ:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._read_event)
elif x.args[0] == SSL_ERROR_WANT_WRITE:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._write_event)
else:
raise
else:
return v
else:
return socket.send(self, data, flags, timeout)
def send(self, data, flags=0, timeout=timeout_default):
self._checkClosed()
if timeout is timeout_default:
timeout = self.timeout
if self._sslobj:
if flags != 0:
raise ValueError("non-zero flags not allowed in calls to send() on %s" % self.__class__)
while True:
try:
return self._sslobj.write(data)
except SSLWantReadError:
if self.timeout == 0.0:
return 0
self._wait(self._read_event)
except SSLWantWriteError:
if self.timeout == 0.0:
return 0
self._wait(self._write_event)
else:
return socket.send(self, data, flags, timeout)
def send(self, data, flags=0, timeout=timeout_default):
if timeout is timeout_default:
timeout = self.timeout
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to send() on %s" %
self.__class__)
while True:
try:
v = self._sslobj.write(data)
except SSLError as e:
errno = e.args[0]
if errno in [SSL_ERROR_WANT_READ, SSL_ERROR_WANT_WRITE] and timeout == 0.0:
return 0
self._handle_wait_exc(e, timeout)
else:
return v
else:
return socket.send(self, data, flags, timeout)
def send(self, data, flags=0, timeout=timeout_default):
self._checkClosed()
self.__check_flags('send', flags)
if timeout is timeout_default:
timeout = self.timeout
if not self._sslobj:
return socket.send(self, data, flags, timeout)
while True:
try:
return self._sslobj.write(data)
except SSLWantReadError:
if self.timeout == 0.0:
return 0
self._wait(self._read_event)
except SSLWantWriteError:
if self.timeout == 0.0:
return 0
self._wait(self._write_event)
def send(self, data, flags=0, timeout=timeout_default):
self._checkClosed()
self.__check_flags('send', flags)
if timeout is timeout_default:
timeout = self.timeout
if not self._sslobj:
return socket.send(self, data, flags, timeout)
while True:
try:
return self._sslobj.write(data)
except SSLWantReadError:
if self.timeout == 0.0:
return 0
self._wait(self._read_event)
except SSLWantWriteError:
if self.timeout == 0.0:
return 0
self._wait(self._write_event)
def send(self, data, flags=0, timeout=timeout_default):
self._checkClosed()
if timeout is timeout_default:
timeout = self.timeout
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to send() on %s" %
self.__class__)
while True:
try:
return self._sslobj.write(data)
except SSLWantReadError:
if self.timeout == 0.0:
return 0
self._wait(self._read_event)
except SSLWantWriteError:
if self.timeout == 0.0:
return 0
self._wait(self._write_event)
else:
return socket.send(self, data, flags, timeout)
if x.args[0] == SSL_ERROR_WANT_READ:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._read_event)
elif x.args[0] == SSL_ERROR_WANT_WRITE:
if self.timeout == 0.0:
return 0
sys.exc_clear()
self._wait(self._write_event)
else:
raise
else:
return v
else:
return socket.send(self, data, flags, timeout)
# is it possible for sendall() to send some data without encryption if another end shut down SSL?
def sendto(self, *args):
if self._sslobj:
raise ValueError("sendto not allowed on instances of %s" %
self.__class__)
else:
return socket.sendto(self, *args)
def recv(self, buflen=1024, flags=0):
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to recv() on %s" %
self.__class__)
if x.args[0] == SSL_ERROR_WANT_READ:
if self.timeout == 0.0:
raise timeout(str(x))
sys.exc_clear()
wait_read(self.fileno(), timeout=timeout)
elif x.args[0] == SSL_ERROR_WANT_WRITE:
if self.timeout == 0.0:
raise timeout(str(x))
sys.exc_clear()
wait_write(self.fileno(), timeout=timeout)
else:
raise
else:
return v
else:
return socket.send(self, data, flags, timeout)
# is it possible for sendall() to send some data without encryption if another end shut down SSL?
def sendto(self, data, addr, flags=0):
if self._sslobj:
raise ValueError("sendto not allowed on instances of %s" %
self.__class__)
else:
return socket.sendto(self, data, addr, flags)
def recv(self, buflen=1024, flags=0):
if self._sslobj:
if flags != 0:
raise ValueError(
"non-zero flags not allowed in calls to recv() on %s" %
self.__class__)
