+++ /dev/null
-#!/usr/bin/python3
-#
-# Hippotat - Asinine IP Over HTTP program
-# ./hippotat - client main program
-#
-# Copyright 2017 Ian Jackson
-#
-# GPLv3+
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program, in the file GPLv3. If not,
-# see <http://www.gnu.org/licenses/>.
-
-#@ import sys; sys.path.append('@PYBUILD_INSTALL_DIR@')
-from hippotatlib import *
-
-import twisted.web
-import twisted.web.client
-
-import io
-
-class GeneralResponseConsumer(twisted.internet.protocol.Protocol):
- def __init__(self, cl, req, desc):
- self._cl = cl
- self._req = req
- self._desc = desc
-
- def _log(self, dflag, msg, **kwargs):
- self._cl.log(dflag, '%s: %s' % (self._desc, msg), idof=self._req, **kwargs)
-
- def connectionMade(self):
- self._log(DBG.HTTP_CTRL, 'connectionMade')
-
-class ResponseConsumer(GeneralResponseConsumer):
- def __init__(self, cl, req):
- super().__init__(cl, req, 'RC')
- ssddesc = '[%s] %s' % (id(req), self._desc)
- self._ssd = SlipStreamDecoder(ssddesc, partial(queue_inbound, cl.ipif))
- self._log(DBG.HTTP_CTRL, '__init__')
-
- def dataReceived(self, data):
- self._log(DBG.HTTP, 'dataReceived', d=data)
- try:
- self._ssd.inputdata(data)
- except Exception as e:
- self._handleexception()
-
- def connectionLost(self, reason):
- self._log(DBG.HTTP_CTRL, 'connectionLost ' + str(reason))
- if not reason.check(twisted.web.client.ResponseDone):
- self.latefailure()
- return
- try:
- self._log(DBG.HTTP, 'ResponseDone')
- self._ssd.flush()
- self._cl.req_fin(self._req)
- except Exception as e:
- self._handleexception()
- self._cl.report_running()
-
- def _handleexception(self):
- self._latefailure(traceback.format_exc())
-
- def _latefailure(self, reason):
- self._log(DBG.HTTP_CTRL, '_latefailure ' + str(reason))
- self._cl.req_err(self._req, reason)
-
-class ErrorResponseConsumer(GeneralResponseConsumer):
- def __init__(self, cl, req, resp):
- super().__init__(cl, req, 'ERROR-RC')
- self._resp = resp
- self._m = b''
- try:
- self._phrase = resp.phrase.decode('utf-8')
- except Exception:
- self._phrase = repr(resp.phrase)
- self._log(DBG.HTTP_CTRL, '__init__ %d %s' % (resp.code, self._phrase))
-
- def dataReceived(self, data):
- self._log(DBG.HTTP_CTRL, 'dataReceived ' + repr(data))
- self._m += data
-
- def connectionLost(self, reason):
- try:
- mbody = self._m.decode('utf-8')
- except Exception:
- mbody = repr(self._m)
- if not reason.check(twisted.web.client.ResponseDone):
- mbody += ' || ' + str(reason)
- self._cl.req_err(self._req,
- "FAILED %d %s | %s"
- % (self._resp.code, self._phrase, mbody))
-
-class Client():
- def __init__(cl, c,ss,cs):
- cl.c = c
- cl.outstanding = { }
- cl.desc = '[%s %s] ' % (ss,cs)
- cl.running_reported = False
- cl.log_info('setting up')
-
- def log_info(cl, msg):
- log.info(cl.desc + msg, dflag=False)
-
- def report_running(cl):
- if not cl.running_reported:
- cl.log_info('running OK')
- cl.running_reported = True
-
- def log(cl, dflag, msg, **kwargs):
- log_debug(dflag, cl.desc + msg, **kwargs)
-
- def log_outstanding(cl):
- cl.log(DBG.CTRL_DUMP, 'OS %s' % cl.outstanding)
-
- def start(cl):
- cl.queue = PacketQueue('up', cl.c.max_queue_time)
- cl.agent = twisted.web.client.Agent(
- reactor, connectTimeout = cl.c.http_timeout)
-
- def outbound(cl, packet, saddr, daddr):
- #print('OUT ', saddr, daddr, repr(packet))
- cl.queue.append(packet)
- cl.check_outbound()
-
- def req_ok(cl, req, resp):
- cl.log(DBG.HTTP_CTRL,
- 'req_ok %d %s %s' % (resp.code, repr(resp.phrase), str(resp)),
- idof=req)
- if resp.code == 200:
- rc = ResponseConsumer(cl, req)
- else:
- rc = ErrorResponseConsumer(cl, req, resp)
-
- resp.deliverBody(rc)
- # now rc is responsible for calling req_fin
-
- def req_err(cl, req, err):
- # called when the Deferred fails, or (if it completes),
- # later, by ResponsConsumer or ErrorResponsConsumer
- try:
- cl.log(DBG.HTTP_CTRL, 'req_err ' + str(err), idof=req)
- if isinstance(err, twisted.python.failure.Failure):
- err = err.getTraceback()
- print('[%#x] %s' % (id(req), err), file=sys.stderr)
- if not isinstance(cl.outstanding[req], int):
- raise RuntimeError('[%#x] previously %s' %
- (id(req), cl.outstanding[req]))
- cl.outstanding[req] = err
- cl.log_outstanding()
- reactor.callLater(cl.c.http_retry, partial(cl.req_fin, req))
- except Exception as e:
- crash(traceback.format_exc() + '\n----- handling -----\n' + err)
-
- def req_fin(cl, req):
- del cl.outstanding[req]
- cl.log(DBG.HTTP_CTRL, 'req_fin OS=%d' % len(cl.outstanding), idof=req)
- cl.check_outbound()
-
- def check_outbound(cl):
- while True:
- if len(cl.outstanding) >= cl.c.max_outstanding:
- break
-
- if (not cl.queue.nonempty() and
- len(cl.outstanding) >= cl.c.target_requests_outstanding):
- break
-
- d = b''
- def moredata(s): nonlocal d; d += s
- cl.queue.process((lambda: len(d)),
- moredata,
- cl.c.max_batch_up)
-
- d = mime_translate(d)
-
- crlf = b'\r\n'
- lf = b'\n'
- mime = (b'--b' + crlf +
- b'Content-Type: text/plain; charset="utf-8"' + crlf +
- b'Content-Disposition: form-data; name="m"' + crlf + crlf +
- str(cl.c.client) .encode('ascii') + crlf +
- cl.c.password + crlf +
- str(cl.c.target_requests_outstanding)
- .encode('ascii') + crlf +
- str(cl.c.http_timeout) .encode('ascii') + crlf +
- ((
- b'--b' + crlf +
- b'Content-Type: application/octet-stream' + crlf +
- b'Content-Disposition: form-data; name="d"' + crlf + crlf +
- d + crlf
- ) if len(d) else b'') +
- b'--b--' + crlf)
-
- #df = open('data.dump.dbg', mode='wb')
- #df.write(mime)
- #df.close()
- # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
-
- cl.log(DBG.HTTP_FULL, 'requesting: ' + str(mime))
-
- hh = { 'User-Agent': ['hippotat'],
- 'Content-Type': ['multipart/form-data; boundary="b"'],
- 'Content-Length': [str(len(mime))] }
-
- bytesreader = io.BytesIO(mime)
- producer = twisted.web.client.FileBodyProducer(bytesreader)
-
- req = cl.agent.request(b'POST',
- cl.c.url,
- twisted.web.client.Headers(hh),
- producer)
-
- cl.outstanding[req] = len(d)
- cl.log(DBG.HTTP_CTRL,
- 'request OS=%d' % len(cl.outstanding),
- idof=req, d=d)
- req.addTimeout(cl.c.http_timeout, reactor)
- req.addCallback(partial(cl.req_ok, req))
- req.addErrback(partial(cl.req_err, req))
-
- cl.log_outstanding()
-
-clients = [ ]
-
-def process_cfg(_opts, putative_servers, putative_clients):
- global clients
-
- for ss in putative_servers.values():
- for (ci,cs) in putative_clients.items():
- c = ConfigResults()
-
- sections = cfg_process_client_common(c,ss,cs,ci)
- if not sections: continue
-
- log_debug_config('processing client [%s %s]' % (ss, cs))
-
- def srch(getter,key): return cfg_search(getter,key,sections)
-
- c.http_timeout += srch(cfg.getint, 'http_timeout_grace')
- c.max_outstanding = srch(cfg.getint, 'max_requests_outstanding')
- c.max_batch_up = srch(cfg.getint, 'max_batch_up')
- c.http_retry = srch(cfg.getint, 'http_retry')
- c.max_queue_time = srch(cfg.getint, 'max_queue_time')
- c.vroutes = srch(cfg.get, 'vroutes')
-
- def cfg_get_raw(*args, **kwargs):
- return cfg.get(*args, raw=True, **kwargs)
-
- try: c.ifname = srch(cfg_get_raw, 'ifname_client')
- except NoOptionError: pass
-
- try: c.url = srch(cfg.get,'url')
- except NoOptionError:
- cfg_process_saddrs(c, ss)
- c.url = c.saddrs[0].url()
-
- c.client = ci
-
- cfg_process_vaddr(c,ss)
-
- cfg_process_ipif(c,
- sections,
- (('local','client'),
- ('peer', 'vaddr'),
- ('rnets','vroutes')))
-
- clients.append(Client(c,ss,cs))
-
-common_startup(process_cfg)
-
-for cl in clients:
- cl.start()
- cl.ipif = start_ipif(cl.c.ipif_command, cl.outbound)
- cl.check_outbound()
-
-common_run()
~ian / hippotat.git / blobdiff