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')
82 if isinstance(reason
, twisted
.internet
.error
.ConnectionDone
):
83 try: self
._ssd
.flush()
84 except Exception as e
:
87 self
._asyncfailure(reason
)
89 def _asyncfailure(self
, reason
):
92 req_err(self
._req
, reason
)
94 def req_ok(req
, resp
):
95 rc
= ResponseConsumer(req
)
99 def req_err(req
, err
):
100 print(err
, file=sys
.stderr
)
101 reactor
.callLater(c
.http_retry
, req_fin
)
108 def asyncfailure(reason
):
111 req_err(None, reason
)
113 def check_outbound():
117 if outstanding
>= c
.max_outstanding
: break
118 if not queue
.nonempty() and outstanding
>= c
.target_outstanding
: break
121 def moredata(s
): nonlocal d
; d
+= s
122 queue
.process((lambda: len(d
)),
126 d
= mime_translate(d
)
130 mime
= (b
'--b' + crlf
+
131 b
'Content-Type: text/plain; charset="utf-8"' + crlf
+
132 b
'Content-Disposition: form-data; name="m"' + crlf
+ crlf
+
133 str(c
.client
) .encode('ascii') + crlf
+
135 str(c
.target_outstanding
) .encode('ascii') + crlf
+
138 b
'Content-Type: application/octet-stream' + crlf
+
139 b
'Content-Disposition: form-data; name="d"' + crlf
+ crlf
+
141 ) if len(d
) else b
'') +
144 #df = open('data.dump.dbg', mode='wb')
147 # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
149 log_debug(DBG
.HTTP_FULL
, 'requesting: ' + str(mime
))
151 hh
= { 'User-Agent': ['hippotat'],
152 'Content-Type': ['multipart/form-data; boundary="b"'],
153 'Content-Length': [str(len(mime
))] }
155 bytesreader
= io
.BytesIO(mime
)
156 producer
= twisted
.web
.client
.FileBodyProducer(bytesreader
)
158 req
= agent
.request(b
'POST',
160 twisted
.web
.client
.Headers(hh
),
162 req
.addTimeout(c
.http_timeout
, reactor
)
163 req
.addCallback((lambda resp
: req_ok(req
, resp
)))
164 req
.addErrback((lambda err
: req_err(req
, err
)))
170 start_ipif(c
.ipif_command
, outbound
)