6 import twisted.web.client
12 def set_client(ci,cs,pw):
15 assert(client_cs is None)
18 c.max_outstanding = cfg.getint(cs, 'max_requests_outstanding')
19 c.target_outstanding = cfg.getint(cs, 'target_requests_outstanding')
24 global max_requests_outstanding
26 process_cfg_common_always()
30 c.url = cfg.get('server','url')
33 c.url = c.saddrs[0].url()
35 process_cfg_clients(set_client)
37 c.routes = cfg.get('virtual','routes')
38 c.max_queue_time = cfg.getint(client_cs, 'max_queue_time')
39 c.max_batch_up = cfg.getint(client_cs, 'max_batch_up')
40 c.http_timeout = cfg.getint(client_cs, 'http_timeout')
41 c.http_retry = cfg.getint(client_cs, 'http_retry')
43 process_cfg_ipif(client_cs,
53 queue = PacketQueue('up', c.max_queue_time)
54 agent = twisted.web.client.Agent(reactor, connectTimeout = c.http_timeout)
56 def outbound(packet, saddr, daddr):
57 #print('OUT ', saddr, daddr, repr(packet))
61 class ResponseConsumer(twisted.internet.protocol.Protocol):
62 def __init__(self, req):
63 print('RC INIT', file=sys.stderr)
65 self._ssd = SlipStreamDecoder(queue_inbound)
67 def dataReceived(self, data):
68 try: self._ssd.inputdata(mime_translate(data))
69 except Exception as e: asyncfailure(e)
70 def connectionMade(self): pass
71 def connectionLost(self, reason):
72 if isinstance(reason, twisted.internet.error.ConnectionDone):
73 try: self._ssd.flush()
74 except Exception as e: asyncfailure(e)
78 def req_ok(req, resp):
79 rc = ResponseConsumer(req)
84 print(err, file=sys.stderr)
85 reactor.callLater(c.http_retry, req_fin)
92 def asyncfailure(reason):
101 if outstanding >= c.max_outstanding : break
102 if not queue.nonempty() and outstanding >= c.target_outstanding: break
105 def moredata(s): nonlocal d; d += s
106 queue.process((lambda: len(d)),
110 d = mime_translate(d)
114 mime = (b'--b' + crlf +
115 b'Content-Type: text/plain; charset="utf-8"' + crlf +
116 b'Content-Disposition: form-data; name="m"' + crlf + crlf +
117 str(c.client) .encode('ascii') + crlf +
119 str(c.target_outstanding) .encode('ascii') + crlf +
122 b'Content-Type: application/octet-stream' + crlf +
123 b'Content-Disposition: form-data; name="d"' + crlf + crlf +
125 ) if len(d) else b'') +
128 #df = open('data.dump.dbg', mode='wb')
131 # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
133 log_debug(DBG.HTTP_FULL, 'requesting: ' + str(mime))
135 hh = { 'User-Agent': ['hippotat'],
136 'Content-Type': ['multipart/form-data; boundary="b"'],
137 'Content-Length': [str(len(mime))] }
139 bytesreader = io.BytesIO(mime)
140 producer = twisted.web.client.FileBodyProducer(bytesreader)
142 req = agent.request(b'POST',
144 twisted.web.client.Headers(hh),
146 req.addTimeout(c.http_timeout, reactor)
147 req.addCallback((lambda resp: req_ok(req, resp)))
148 req.addErrback(req_err)
154 start_ipif(c.ipif_command, outbound)