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):
64 self._ssd = SlipStreamDecoder(queue_inbound)
65 self._log(DBG.HTTP_CTRL, '__init__')
67 def _log(self, dflag, msg, **kwargs):
68 log_debug(dflag, 'RC ' + msg, idof=self._req, **kwargs)
70 def dataReceived(self, data):
71 self._log(DBG.HTTP_CTRL, 'dataReceived', d=data)
73 self._ssd.inputdata(mime_translate(data))
74 except Exception as e:
77 def connectionMade(self):
78 self._log(DBG.HTTP_CTRL, 'connectionMade')
80 def connectionLost(self, reason):
81 self._log(DBG.HTTP_CTRL, 'connectionLost ' + str(reason))
82 if not reason.check(twisted.web.client.ResponseDone):
83 self._asyncfailure(reason)
87 except Exception as e:
90 def _asyncfailure(self, reason):
91 self._log(DBG.HTTP_CTRL, '_asyncFailure ' + str(reason))
92 req_err(self._req, reason)
94 class ErrorResponseConsumer(twisted.internet.protocol.Protocol):
95 def __init__(self, req, resp):
100 self._phrase = resp.phrase.decode('utf-8')
102 self._phrase = repr(resp.phrase)
104 self._log(DBG.HTTP_CTRL, '__init__ %d %s' % (resp.code, self._phrase))
106 def _log(self, dflag, msg, **kwargs):
107 log_debug(dflag,'ERROR-RC '+msg, idof=self._req, **kwargs)
109 def connectionMade(self):
112 def dataReceived(self, data):
113 self._log(DBG.HTTP_CTRL, 'dataReceived ' + repr(data))
116 def connectionLost(self, reason):
118 mbody = self._m.decode('utf-8')
120 mbody = repr(self._m)
121 if not reason.check(twisted.web.client.ResponseDone):
122 mbody += ' || ' + str(reason)
125 % (self._resp.code, self._phrase, mbody))
127 def req_ok(req, resp):
128 log_debug(DBG.HTTP_CTRL,
129 'req_ok %d %s %s' % (resp.code, repr(resp.phrase), str(resp)),
132 rc = ResponseConsumer(req)
134 rc = ErrorResponseConsumer(req, resp)
138 def req_err(req, err):
139 log_debug(DBG.HTTP_CTRL, 'req_err ' + str(err), idof=req)
140 if isinstance(err, twisted.python.failure.Failure):
141 err = err.getTraceback()
142 print(err, file=sys.stderr)
143 reactor.callLater(c.http_retry, (lambda: req_fin(req)))
148 log_debug(DBG.HTTP_CTRL, 'req_fin OS=%d' % outstanding, idof=req)
151 def check_outbound():
155 if outstanding >= c.max_outstanding : break
156 if not queue.nonempty() and outstanding >= c.target_outstanding: break
159 def moredata(s): nonlocal d; d += s
160 queue.process((lambda: len(d)),
164 d = mime_translate(d)
168 mime = (b'--b' + crlf +
169 b'Content-Type: text/plain; charset="utf-8"' + crlf +
170 b'Content-Disposition: form-data; name="m"' + crlf + crlf +
171 str(c.client) .encode('ascii') + crlf +
173 str(c.target_outstanding) .encode('ascii') + crlf +
176 b'Content-Type: application/octet-stream' + crlf +
177 b'Content-Disposition: form-data; name="d"' + crlf + crlf +
179 ) if len(d) else b'') +
182 #df = open('data.dump.dbg', mode='wb')
185 # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
187 log_debug(DBG.HTTP_FULL, 'requesting: ' + str(mime))
189 hh = { 'User-Agent': ['hippotat'],
190 'Content-Type': ['multipart/form-data; boundary="b"'],
191 'Content-Length': [str(len(mime))] }
193 bytesreader = io.BytesIO(mime)
194 producer = twisted.web.client.FileBodyProducer(bytesreader)
196 req = agent.request(b'POST',
198 twisted.web.client.Headers(hh),
202 log_debug(DBG.HTTP_CTRL, 'request OS=%d' % outstanding, idof=req, d=d)
203 req.addTimeout(c.http_timeout, reactor)
204 req.addCallback((lambda resp: req_ok(req, resp)))
205 req.addErrback((lambda err: req_err(req, err)))
210 start_ipif(c.ipif_command, outbound)