3 from hippotatlib import *
6 import twisted.web.client
10 class GeneralResponseConsumer(twisted.internet.protocol.Protocol):
11 def __init__(self, cl, req, desc):
16 def _log(self, dflag, msg, **kwargs):
17 self._cl.log(dflag, '%s: %s' % (self._desc, msg), idof=self._req, **kwargs)
19 def connectionMade(self):
20 self._log(DBG.HTTP_CTRL, 'connectionMade')
22 class ResponseConsumer(GeneralResponseConsumer):
23 def __init__(self, cl, req):
24 super().__init__(cl, req, 'RC')
25 ssddesc = '[%s] %s' % (id(req), self._desc)
26 self._ssd = SlipStreamDecoder(ssddesc, partial(queue_inbound, cl.ipif))
27 self._log(DBG.HTTP_CTRL, '__init__')
29 def dataReceived(self, data):
30 self._log(DBG.HTTP, 'dataReceived', d=data)
32 self._ssd.inputdata(data)
33 except Exception as e:
34 self._handleexception()
36 def connectionLost(self, reason):
37 self._log(DBG.HTTP_CTRL, 'connectionLost ' + str(reason))
38 if not reason.check(twisted.web.client.ResponseDone):
42 self._log(DBG.HTTP, 'ResponseDone')
44 self._cl.req_fin(self._req)
45 except Exception as e:
46 self._handleexception()
47 self._cl.report_running()
49 def _handleexception(self):
50 self._latefailure(traceback.format_exc())
52 def _latefailure(self, reason):
53 self._log(DBG.HTTP_CTRL, '_latefailure ' + str(reason))
54 self._cl.req_err(self._req, reason)
56 class ErrorResponseConsumer(GeneralResponseConsumer):
57 def __init__(self, cl, req, resp):
58 super().__init__(cl, req, 'ERROR-RC')
62 self._phrase = resp.phrase.decode('utf-8')
64 self._phrase = repr(resp.phrase)
65 self._log(DBG.HTTP_CTRL, '__init__ %d %s' % (resp.code, self._phrase))
67 def dataReceived(self, data):
68 self._log(DBG.HTTP_CTRL, 'dataReceived ' + repr(data))
71 def connectionLost(self, reason):
73 mbody = self._m.decode('utf-8')
76 if not reason.check(twisted.web.client.ResponseDone):
77 mbody += ' || ' + str(reason)
78 self._cl.req_err(self._req,
80 % (self._resp.code, self._phrase, mbody))
83 def __init__(cl, c,ss,cs):
86 cl.desc = '[%s %s] ' % (ss,cs)
87 cl.running_reported = False
88 cl.log_info('setting up')
90 def log_info(cl, msg):
91 log.info(cl.desc + msg, dflag=False)
93 def report_running(cl):
94 if not cl.running_reported:
95 cl.log_info('running OK')
96 cl.running_reported = True
98 def log(cl, dflag, msg, **kwargs):
99 log_debug(dflag, cl.desc + msg, **kwargs)
101 def log_outstanding(cl):
102 cl.log(DBG.CTRL_DUMP, 'OS %s' % cl.outstanding)
105 cl.queue = PacketQueue('up', cl.c.max_queue_time)
106 cl.agent = twisted.web.client.Agent(
107 reactor, connectTimeout = cl.c.http_timeout)
109 def outbound(cl, packet, saddr, daddr):
110 #print('OUT ', saddr, daddr, repr(packet))
111 cl.queue.append(packet)
114 def req_ok(cl, req, resp):
115 cl.log(DBG.HTTP_CTRL,
116 'req_ok %d %s %s' % (resp.code, repr(resp.phrase), str(resp)),
119 rc = ResponseConsumer(cl, req)
121 rc = ErrorResponseConsumer(cl, req, resp)
124 # now rc is responsible for calling req_fin
126 def req_err(cl, req, err):
127 # called when the Deferred fails, or (if it completes),
128 # later, by ResponsConsumer or ErrorResponsConsumer
130 cl.log(DBG.HTTP_CTRL, 'req_err ' + str(err), idof=req)
131 if isinstance(err, twisted.python.failure.Failure):
132 err = err.getTraceback()
133 print('[%#x] %s' % (id(req), err), file=sys.stderr)
134 if not isinstance(cl.outstanding[req], int):
135 raise RuntimeError('[%#x] previously %s' %
136 (id(req), cl.outstanding[req]))
137 cl.outstanding[req] = err
139 reactor.callLater(cl.c.http_retry, partial(cl.req_fin, req))
140 except Exception as e:
141 crash(traceback.format_exc() + '\n----- handling -----\n' + err)
143 def req_fin(cl, req):
144 del cl.outstanding[req]
145 cl.log(DBG.HTTP_CTRL, 'req_fin OS=%d' % len(cl.outstanding), idof=req)
148 def check_outbound(cl):
150 if len(cl.outstanding) >= cl.c.max_outstanding:
153 if (not cl.queue.nonempty() and
154 len(cl.outstanding) >= cl.c.target_requests_outstanding):
158 def moredata(s): nonlocal d; d += s
159 cl.queue.process((lambda: len(d)),
163 d = mime_translate(d)
167 mime = (b'--b' + crlf +
168 b'Content-Type: text/plain; charset="utf-8"' + crlf +
169 b'Content-Disposition: form-data; name="m"' + crlf + crlf +
170 str(cl.c.client) .encode('ascii') + crlf +
171 cl.c.password + crlf +
172 str(cl.c.target_requests_outstanding)
173 .encode('ascii') + crlf +
174 str(cl.c.http_timeout) .encode('ascii') + crlf +
177 b'Content-Type: application/octet-stream' + crlf +
178 b'Content-Disposition: form-data; name="d"' + crlf + crlf +
180 ) if len(d) else b'') +
183 #df = open('data.dump.dbg', mode='wb')
186 # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
188 cl.log(DBG.HTTP_FULL, 'requesting: ' + str(mime))
190 hh = { 'User-Agent': ['hippotat'],
191 'Content-Type': ['multipart/form-data; boundary="b"'],
192 'Content-Length': [str(len(mime))] }
194 bytesreader = io.BytesIO(mime)
195 producer = twisted.web.client.FileBodyProducer(bytesreader)
197 req = cl.agent.request(b'POST',
199 twisted.web.client.Headers(hh),
202 cl.outstanding[req] = len(d)
203 cl.log(DBG.HTTP_CTRL,
204 'request OS=%d' % len(cl.outstanding),
206 req.addTimeout(cl.c.http_timeout, reactor)
207 req.addCallback(partial(cl.req_ok, req))
208 req.addErrback(partial(cl.req_err, req))
214 def process_cfg(putative_servers, putative_clients):
217 for ss in putative_servers.values():
218 for (ci,cs) in putative_clients.items():
221 sections = cfg_process_client_common(c,ss,cs,ci)
222 if not sections: continue
224 def srch(getter,key): return cfg_search(getter,key,sections)
226 c.http_timeout += srch(cfg.getint, 'http_timeout_grace')
227 c.max_outstanding = srch(cfg.getint, 'max_requests_outstanding')
228 c.max_batch_up = srch(cfg.getint, 'max_batch_up')
229 c.http_retry = srch(cfg.getint, 'http_retry')
230 c.max_queue_time = srch(cfg.getint, 'max_queue_time')
231 c.vroutes = srch(cfg.get, 'vroutes')
233 try: c.url = srch(cfg.get,'url')
234 except NoOptionError:
235 cfg_process_saddrs(c, ss)
236 c.url = c.saddrs[0].url()
240 cfg_process_vaddr(c,ss)
246 ('rnets','vroutes')))
248 clients.append(Client(c,ss,cs))
250 common_startup(process_cfg)
254 cl.ipif = start_ipif(cl.c.ipif_command, cl.outbound)