| 1 | #!/usr/bin/python3 |
| 2 | |
| 3 | from hippotat import * |
| 4 | |
| 5 | client_cs = None |
| 6 | |
| 7 | def set_client(ci,cs,pw): |
| 8 | global client_cs |
| 9 | global password |
| 10 | assert(client_cs is None) |
| 11 | client_cs = cs |
| 12 | c.client = ci |
| 13 | c.max_outstanding = cfg.getint(cs, 'max_requests_outstanding') |
| 14 | c.target_outstanding = cfg.getint(cs, 'target_requests_outstanding') |
| 15 | password = pw |
| 16 | |
| 17 | def process_cfg(): |
| 18 | global url |
| 19 | global max_requests_outstanding |
| 20 | |
| 21 | process_cfg_common_always() |
| 22 | process_cfg_server() |
| 23 | |
| 24 | try: |
| 25 | c.url = cfg.get('server','url') |
| 26 | except NoOptionError: |
| 27 | process_cfg_saddrs() |
| 28 | sa = c.saddrs[0].url() |
| 29 | |
| 30 | process_cfg_clients(set_client) |
| 31 | |
| 32 | c.routes = cfg.get('virtual','routes') |
| 33 | c.max_queue_time = cfg.getint(client_cs, 'max_queue_time') |
| 34 | c.max_batch_up = cfg.getint(client_cs, 'max_batch_up') |
| 35 | |
| 36 | process_cfg_ipif(client_cs, |
| 37 | (('local', 'client'), |
| 38 | ('peer', 'server'), |
| 39 | ('rnets', 'routes'))) |
| 40 | |
| 41 | outstanding = 0 |
| 42 | |
| 43 | def start_client(): |
| 44 | global queue |
| 45 | global agent |
| 46 | queue = PacketQueue(c.max_queue_time) |
| 47 | agent = twisted.web.client.Agent(reactor, connectTimeout = c.http_timeout) |
| 48 | |
| 49 | def outbound(packet, saddr, daddr): |
| 50 | #print('OUT ', saddr, daddr, repr(packet)) |
| 51 | queue.append(packet) |
| 52 | check_outbound() |
| 53 | |
| 54 | class ResponseConsumer(twisted.internet.protocol.Protocol): |
| 55 | def __init__(self): |
| 56 | self._ssd = SlipStreamDecoder(queue_inbound) |
| 57 | def dataReceived(self, data): |
| 58 | self._ssd.inputdata(mime_translate(data)) |
| 59 | def connectionMade(self): pass |
| 60 | def connectionLost(self, reason): |
| 61 | if isinstance(reason, twisted.internet.error.ConnectionDone): |
| 62 | self._ssd.flush() |
| 63 | else: |
| 64 | print(reason, file=sys.stderr) |
| 65 | |
| 66 | def req_ok(resp): |
| 67 | resp.deliverBody(ResponseConsumer()) |
| 68 | |
| 69 | def req_err(err): |
| 70 | print(err, >>sys.stderr) |
| 71 | |
| 72 | def req_fin(*args): |
| 73 | outstanding-- |
| 74 | |
| 75 | def check_outbound(): |
| 76 | while True: |
| 77 | if outstanding >= c.max_outstanding : break |
| 78 | if not queue.nonempty() && outstanding >= c.target_outstanding: break |
| 79 | |
| 80 | d = b'' |
| 81 | queue.process((lambda: len(d)), |
| 82 | (lambda s: d += s), |
| 83 | c.max_batch_up) |
| 84 | assert(len(d)) |
| 85 | |
| 86 | crlf = b'\r\n' |
| 87 | mime = (b'--b' + crlf + |
| 88 | b'Content-Disposition: form-data; name="m"' + crlf + |
| 89 | password + crlf + |
| 90 | c.client + crlf + |
| 91 | c.target_outstanding + crlf + |
| 92 | b'--b' + crlf + |
| 93 | b'Content-Disposition: form-data; name="d"' + crlf + |
| 94 | mime_translate(d) + crlf + |
| 95 | b'--b--' + crlf) |
| 96 | |
| 97 | hh = { 'User-Agent': ['hippotat'], |
| 98 | 'Content-Type': ['multipart/form-data; boundary="b"'] } |
| 99 | req = agent.request(b'POST', |
| 100 | c.url, |
| 101 | twisted.web.client.Headers(hh)) |
| 102 | req.addTimeout(c.http_timeout, |
| 103 | req.addCallbacks(req_ok, req_err) |
| 104 | req.addBoth(req_fin) |
| 105 | outstanding++ |
| 106 | |
| 107 | common_startup() |
| 108 | process_cfg() |
| 109 | start_client() |
| 110 | start_ipif(c.ipif_command, outbound) |
| 111 | common_run() |