def _connect(self, local_uri, remote_uri):
self.logger.info('Connecting to %s', remote_uri)
creator = GreenClientCreator(gtransport_class=MSRPTransport,
local_uri=local_uri,
logger=self.logger,
use_sessmatch=self.use_sessmatch)
if remote_uri.host:
if remote_uri.use_tls:
msrp = creator.connectTLS(remote_uri.host, remote_uri.port
or 2855,
TLSContext(local_uri.credentials))
else:
msrp = creator.connectTCP(remote_uri.host, remote_uri.port
or 2855)
else:
if not remote_uri.domain:
raise ValueError(
"remote_uri must have either 'host' or 'domain'")
if remote_uri.use_tls:
connectFuncName = 'connectTLS'
connectFuncArgs = (TLSContext(local_uri.credentials), )
else:
connectFuncName = 'connectTCP'
connectFuncArgs = ()
msrp = creator.connectSRV(remote_uri.scheme,
remote_uri.domain,
connectFuncName=connectFuncName,
connectFuncArgs=connectFuncArgs,
ConnectorClass=self.SRVConnectorClass)
remote_address = msrp.getPeer()
self.logger.info('Connected to %s:%s', remote_address.host,
remote_address.port)
return msrp
def handler(local):
client = str(local.getHost())
print 'accepted connection from %s' % client
remote = GreenClientCreator(reactor, UnbufferedTransport).connectTCP(
remote_host, remote_port)
a = proc.spawn(forward, remote, local)
b = proc.spawn(forward, local, remote)
proc.waitall([a, b], trap_errors=True)
print 'closed connection to %s' % client
"""Example for GreenTransport and GreenClientCreator.
In this example reactor is started implicitly upon the first
use of a blocking function.
"""
from twisted.internet import ssl
from twisted.internet.error import ConnectionClosed
from eventlib.twistedutil.protocol import GreenClientCreator
from eventlib.twistedutil.protocols.basic import LineOnlyReceiverTransport
from twisted.internet import reactor
print("\n\nRead from TCP connection\n\n")
# read from TCP connection
conn = GreenClientCreator(reactor).connectTCP('www.google.com', 80)
conn.write('GET /not_found HTTP/1.0\r\n\r\n')
conn.loseWriteConnection()
print(conn.read().decode('utf-8'))
print("\n\nRead from SSL connection line by line\n\n")
# read from SSL connection line by line
conn = GreenClientCreator(reactor, LineOnlyReceiverTransport).connectSSL(
'ssltest.com', 443, ssl.ClientContextFactory())
conn.write('GET /not_found HTTP/1.0\r\n\r\n')
try:
for num, line in enumerate(conn):
print('%3s %r' % (num, line))
except ConnectionClosed as ex:
print(ex)
"""Example for GreenTransport and GreenClientCreator.
In this example reactor is started implicitly upon the first
use of a blocking function.
"""
from twisted.internet import ssl
from twisted.internet.error import ConnectionClosed
from eventlib.twistedutil.protocol import GreenClientCreator
from eventlib.twistedutil.protocols.basic import LineOnlyReceiverTransport
from twisted.internet import reactor
# read from TCP connection
conn = GreenClientCreator(reactor).connectTCP('www.google.com', 80)
conn.write('GET / HTTP/1.0\r\n\r\n')
conn.loseWriteConnection()
print conn.read()
# read from SSL connection line by line
conn = GreenClientCreator(reactor, LineOnlyReceiverTransport).connectSSL(
'sf.net', 443, ssl.ClientContextFactory())
conn.write('GET / HTTP/1.0\r\n\r\n')
try:
for num, line in enumerate(conn):
print '%3s %r' % (num, line)
except ConnectionClosed, ex:
print ex
from twisted.names.srvconnect import SRVConnector
from gnutls.interfaces.twisted import TLSContext, X509Credentials
from eventlib.twistedutil.protocol import GreenClientCreator
from eventlib.twistedutil.protocols.basic import LineOnlyReceiverTransport
class NoisySRVConnector(SRVConnector):
def pickServer(self):
host, port = SRVConnector.pickServer(self)
print('Resolved _%s._%s.%s --> %s:%s' % (self.service, self.protocol, self.domain, host, port))
return host, port
cred = X509Credentials(None, None)
ctx = TLSContext(cred)
creator = GreenClientCreator(reactor, LineOnlyReceiverTransport)
conn = creator.connectSRV('msrps', 'ag-projects.com',
connectFuncName='connectTLS', connectFuncArgs=(ctx,),
ConnectorClass=NoisySRVConnector)
request = """MSRP 49fh AUTH
To-Path: msrps://[email protected];tcp
From-Path: msrps://alice.example.com:9892/98cjs;tcp
-------49fh$
""".replace('\n', '\r\n')
print('Sending:\n%s' % request)
conn.write(request)
print('Received:')
for x in conn:
print(repr(x))