+from plomrogue.errors import BrokenSocketConnection
class PlomSocket:
def __init__(self, socket):
<http://stackoverflow.com/q/34919846>
"""
- from plomrogue.errors import BrokenSocketConnection
escaped_message = ''
for char in message:
if char in ('\\', '$'):
try:
sent = self.socket.send(data[totalsent:])
socket_broken = sent == 0
+ totalsent = totalsent + sent
except OSError as err:
if err.errno == 9: # "Bad file descriptor", when connection broken
socket_broken = True
raise err
if socket_broken and not silent_connection_break:
raise BrokenSocketConnection
- totalsent = totalsent + sent
def recv(self):
"""Get full send()-prepared message from self.socket.
data = b''
msg = b''
while True:
- data += self.socket.recv(1024)
+ try:
+ data = self.socket.recv(1024)
+ except OSError as err:
+ if err.errno == 9: # "Bad file descriptor", when connection broken
+ raise BrokenSocketConnection
if 0 == len(data):
- return
- cut_off = 0
+ break
for c in data:
- cut_off += 1
if esc:
msg += bytes([c])
esc = False
yield msg.decode()
except UnicodeDecodeError:
yield None
- data = data[cut_off:]
msg = b''
else:
msg += bytes([c])
class IO_Handler(socketserver.BaseRequestHandler):
- def __init__(self, *args, socket_class=PlomSocket, **kwargs):
- self.socket_class = socket_class
+ def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def handle(self):
import uuid
import queue
import threading
- if self.socket_class == PlomSocketSSL:
- plom_socket = self.socket_class(self.request, server_side=True,
- certfile=self.server.certfile,
- keyfile=self.server.keyfile)
+ if self.server.socket_class == PlomSocketSSL:
+ plom_socket = self.server.socket_class(self.request,
+ server_side=True,
+ certfile=self.server.certfile,
+ keyfile=self.server.keyfile)
else:
- plom_socket = self.socket_class(self.request)
+ plom_socket = self.server.socket_class(self.request)
print('CONNECTION FROM:', str(self.client_address))
connection_id = uuid.uuid4()
queue_in = queue.Queue()
-class IO_HandlerSSL(IO_Handler):
-
- def __init__(self, *args, **kwargs):
- super().__init__(*args, socket_class=PlomSocketSSL, **kwargs)
-
-
-
class PlomTCPServer(socketserver.ThreadingTCPServer):
"""Bind together threaded IO handling server and message queue.
"""
- def __init__(self, queue, port, host='127.0.0.1', io_handler=IO_Handler, *args, **kwargs):
- super().__init__((host, port), io_handler, *args, **kwargs)
+ def __init__(self, queue, port, host='127.0.0.1', *args, **kwargs):
+ super().__init__((host, port), IO_Handler, *args, **kwargs)
+ self.socket_class = PlomSocket
self.queue_out = queue
self.daemon_threads = True # Else, server's threads have daemon=False.
self.clients = {}
class PlomTCPServerSSL(PlomTCPServer):
def __init__(self, *args, certfile=None, keyfile=None, **kwargs):
+ super().__init__(*args, host='0.0.0.0', **kwargs)
self.certfile = certfile
self.keyfile = keyfile
- super().__init__(*args, host='0.0.0.0', io_handler=IO_HandlerSSL, **kwargs)
+ self.socket_class = PlomSocketSSL