Commit | Line | Data |
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c55f394e | 1 | #!/usr/bin/python3 |
6b926141 IJ |
2 | # |
3 | # Hippotat - Asinine IP Over HTTP program | |
4 | # ./hippotat - client main program | |
5 | # | |
6 | # Copyright 2017 Ian Jackson | |
7 | # | |
f85d143f | 8 | # GPLv3+ |
6b926141 | 9 | # |
f85d143f IJ |
10 | # This program is free software: you can redistribute it and/or modify |
11 | # it under the terms of the GNU General Public License as published by | |
12 | # the Free Software Foundation, either version 3 of the License, or | |
13 | # (at your option) any later version. | |
6b926141 | 14 | # |
f85d143f IJ |
15 | # This program is distributed in the hope that it will be useful, |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU General Public License for more details. | |
19 | # | |
20 | # You should have received a copy of the GNU General Public License | |
21 | # along with this program, in the file GPLv3. If not, | |
22 | # see <http://www.gnu.org/licenses/>. | |
6b926141 | 23 | |
1d33eef3 | 24 | #@ import sys; sys.path.append('@PYBUILD_INSTALL_DIR@') |
5a37bac8 | 25 | from hippotatlib import * |
c55f394e | 26 | |
c0c90673 IJ |
27 | import twisted.web |
28 | import twisted.web.client | |
29 | ||
dd6665ee IJ |
30 | import io |
31 | ||
0accf0d3 | 32 | class GeneralResponseConsumer(twisted.internet.protocol.Protocol): |
c7fb640e IJ |
33 | def __init__(self, cl, req, desc): |
34 | self._cl = cl | |
8b62cd2c | 35 | self._req = req |
0accf0d3 | 36 | self._desc = desc |
14c6d55c IJ |
37 | |
38 | def _log(self, dflag, msg, **kwargs): | |
74934d63 | 39 | self._cl.log(dflag, '%s: %s' % (self._desc, msg), idof=self._req, **kwargs) |
0accf0d3 IJ |
40 | |
41 | def connectionMade(self): | |
42 | self._log(DBG.HTTP_CTRL, 'connectionMade') | |
43 | ||
44 | class ResponseConsumer(GeneralResponseConsumer): | |
c7fb640e IJ |
45 | def __init__(self, cl, req): |
46 | super().__init__(cl, req, 'RC') | |
0accf0d3 | 47 | ssddesc = '[%s] %s' % (id(req), self._desc) |
909e0ff3 | 48 | self._ssd = SlipStreamDecoder(ssddesc, partial(queue_inbound, cl.ipif)) |
0accf0d3 | 49 | self._log(DBG.HTTP_CTRL, '__init__') |
bd9e77fb | 50 | |
62b51bcf | 51 | def dataReceived(self, data): |
380ed56c | 52 | self._log(DBG.HTTP, 'dataReceived', d=data) |
9b65cdd4 | 53 | try: |
02cdcb52 | 54 | self._ssd.inputdata(data) |
9b65cdd4 | 55 | except Exception as e: |
eedc8b30 | 56 | self._handleexception() |
ccd371b3 | 57 | |
62b51bcf | 58 | def connectionLost(self, reason): |
15407d80 | 59 | self._log(DBG.HTTP_CTRL, 'connectionLost ' + str(reason)) |
765aba55 | 60 | if not reason.check(twisted.web.client.ResponseDone): |
0accf0d3 | 61 | self.latefailure() |
765aba55 IJ |
62 | return |
63 | try: | |
380ed56c | 64 | self._log(DBG.HTTP, 'ResponseDone') |
765aba55 | 65 | self._ssd.flush() |
74934d63 | 66 | self._cl.req_fin(self._req) |
765aba55 | 67 | except Exception as e: |
eedc8b30 | 68 | self._handleexception() |
909e0ff3 | 69 | self._cl.report_running() |
eedc8b30 IJ |
70 | |
71 | def _handleexception(self): | |
0accf0d3 | 72 | self._latefailure(traceback.format_exc()) |
33932420 | 73 | |
0accf0d3 | 74 | def _latefailure(self, reason): |
380ed56c | 75 | self._log(DBG.HTTP_CTRL, '_latefailure ' + str(reason)) |
74934d63 | 76 | self._cl.req_err(self._req, reason) |
bd9e77fb | 77 | |
74934d63 | 78 | class ErrorResponseConsumer(GeneralResponseConsumer): |
c7fb640e IJ |
79 | def __init__(self, cl, req, resp): |
80 | super().__init__(cl, req, 'ERROR-RC') | |
6e4af0a2 | 81 | self._resp = resp |
0accf0d3 | 82 | self._m = b'' |
6e4af0a2 IJ |
83 | try: |
84 | self._phrase = resp.phrase.decode('utf-8') | |
85 | except Exception: | |
86 | self._phrase = repr(resp.phrase) | |
6e4af0a2 IJ |
87 | self._log(DBG.HTTP_CTRL, '__init__ %d %s' % (resp.code, self._phrase)) |
88 | ||
765aba55 IJ |
89 | def dataReceived(self, data): |
90 | self._log(DBG.HTTP_CTRL, 'dataReceived ' + repr(data)) | |
91 | self._m += data | |
92 | ||
6e4af0a2 IJ |
93 | def connectionLost(self, reason): |
94 | try: | |
95 | mbody = self._m.decode('utf-8') | |
96 | except Exception: | |
97 | mbody = repr(self._m) | |
765aba55 IJ |
98 | if not reason.check(twisted.web.client.ResponseDone): |
99 | mbody += ' || ' + str(reason) | |
74934d63 | 100 | self._cl.req_err(self._req, |
765aba55 IJ |
101 | "FAILED %d %s | %s" |
102 | % (self._resp.code, self._phrase, mbody)) | |
6e4af0a2 | 103 | |
c7fb640e IJ |
104 | class Client(): |
105 | def __init__(cl, c,ss,cs): | |
106 | cl.c = c | |
107 | cl.outstanding = { } | |
108 | cl.desc = '[%s %s] ' % (ss,cs) | |
909e0ff3 IJ |
109 | cl.running_reported = False |
110 | cl.log_info('setting up') | |
111 | ||
112 | def log_info(cl, msg): | |
113 | log.info(cl.desc + msg, dflag=False) | |
114 | ||
115 | def report_running(cl): | |
116 | if not cl.running_reported: | |
117 | cl.log_info('running OK') | |
118 | cl.running_reported = True | |
c7fb640e IJ |
119 | |
120 | def log(cl, dflag, msg, **kwargs): | |
121 | log_debug(dflag, cl.desc + msg, **kwargs) | |
122 | ||
123 | def log_outstanding(cl): | |
c7f134ce | 124 | cl.log(DBG.CTRL_DUMP, 'OS %s' % cl.outstanding) |
c7fb640e IJ |
125 | |
126 | def start(cl): | |
8d374606 | 127 | cl.queue = PacketQueue('up', cl.c.max_queue_time) |
c7fb640e | 128 | cl.agent = twisted.web.client.Agent( |
8d374606 | 129 | reactor, connectTimeout = cl.c.http_timeout) |
c7fb640e IJ |
130 | |
131 | def outbound(cl, packet, saddr, daddr): | |
132 | #print('OUT ', saddr, daddr, repr(packet)) | |
133 | cl.queue.append(packet) | |
134 | cl.check_outbound() | |
135 | ||
136 | def req_ok(cl, req, resp): | |
137 | cl.log(DBG.HTTP_CTRL, | |
5dd3275b IJ |
138 | 'req_ok %d %s %s' % (resp.code, repr(resp.phrase), str(resp)), |
139 | idof=req) | |
8d374606 IJ |
140 | if resp.code == 200: |
141 | rc = ResponseConsumer(cl, req) | |
142 | else: | |
143 | rc = ErrorResponseConsumer(cl, req, resp) | |
5dd3275b | 144 | |
8d374606 IJ |
145 | resp.deliverBody(rc) |
146 | # now rc is responsible for calling req_fin | |
7b07f0b5 | 147 | |
c7fb640e IJ |
148 | def req_err(cl, req, err): |
149 | # called when the Deferred fails, or (if it completes), | |
150 | # later, by ResponsConsumer or ErrorResponsConsumer | |
151 | try: | |
152 | cl.log(DBG.HTTP_CTRL, 'req_err ' + str(err), idof=req) | |
153 | if isinstance(err, twisted.python.failure.Failure): | |
154 | err = err.getTraceback() | |
155 | print('[%#x] %s' % (id(req), err), file=sys.stderr) | |
c7f134ce IJ |
156 | if not isinstance(cl.outstanding[req], int): |
157 | raise RuntimeError('[%#x] previously %s' % | |
158 | (id(req), cl.outstanding[req])) | |
c7fb640e IJ |
159 | cl.outstanding[req] = err |
160 | cl.log_outstanding() | |
8d374606 | 161 | reactor.callLater(cl.c.http_retry, partial(cl.req_fin, req)) |
c7fb640e IJ |
162 | except Exception as e: |
163 | crash(traceback.format_exc() + '\n----- handling -----\n' + err) | |
164 | ||
165 | def req_fin(cl, req): | |
166 | del cl.outstanding[req] | |
c7f134ce | 167 | cl.log(DBG.HTTP_CTRL, 'req_fin OS=%d' % len(cl.outstanding), idof=req) |
c7fb640e IJ |
168 | cl.check_outbound() |
169 | ||
170 | def check_outbound(cl): | |
171 | while True: | |
172 | if len(cl.outstanding) >= cl.c.max_outstanding: | |
173 | break | |
174 | ||
c7f134ce IJ |
175 | if (not cl.queue.nonempty() and |
176 | len(cl.outstanding) >= cl.c.target_requests_outstanding): | |
c7fb640e IJ |
177 | break |
178 | ||
179 | d = b'' | |
180 | def moredata(s): nonlocal d; d += s | |
c7f134ce | 181 | cl.queue.process((lambda: len(d)), |
c7fb640e IJ |
182 | moredata, |
183 | cl.c.max_batch_up) | |
184 | ||
185 | d = mime_translate(d) | |
186 | ||
187 | crlf = b'\r\n' | |
188 | lf = b'\n' | |
189 | mime = (b'--b' + crlf + | |
190 | b'Content-Type: text/plain; charset="utf-8"' + crlf + | |
191 | b'Content-Disposition: form-data; name="m"' + crlf + crlf + | |
192 | str(cl.c.client) .encode('ascii') + crlf + | |
193 | cl.c.password + crlf + | |
c7f134ce IJ |
194 | str(cl.c.target_requests_outstanding) |
195 | .encode('ascii') + crlf + | |
c7fb640e IJ |
196 | str(cl.c.http_timeout) .encode('ascii') + crlf + |
197 | (( | |
198 | b'--b' + crlf + | |
199 | b'Content-Type: application/octet-stream' + crlf + | |
200 | b'Content-Disposition: form-data; name="d"' + crlf + crlf + | |
201 | d + crlf | |
202 | ) if len(d) else b'') + | |
203 | b'--b--' + crlf) | |
204 | ||
205 | #df = open('data.dump.dbg', mode='wb') | |
206 | #df.write(mime) | |
207 | #df.close() | |
208 | # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg | |
209 | ||
210 | cl.log(DBG.HTTP_FULL, 'requesting: ' + str(mime)) | |
211 | ||
212 | hh = { 'User-Agent': ['hippotat'], | |
213 | 'Content-Type': ['multipart/form-data; boundary="b"'], | |
214 | 'Content-Length': [str(len(mime))] } | |
215 | ||
216 | bytesreader = io.BytesIO(mime) | |
217 | producer = twisted.web.client.FileBodyProducer(bytesreader) | |
218 | ||
c7f134ce | 219 | req = cl.agent.request(b'POST', |
c7fb640e IJ |
220 | cl.c.url, |
221 | twisted.web.client.Headers(hh), | |
222 | producer) | |
223 | ||
224 | cl.outstanding[req] = len(d) | |
225 | cl.log(DBG.HTTP_CTRL, | |
226 | 'request OS=%d' % len(cl.outstanding), | |
227 | idof=req, d=d) | |
228 | req.addTimeout(cl.c.http_timeout, reactor) | |
229 | req.addCallback(partial(cl.req_ok, req)) | |
230 | req.addErrback(partial(cl.req_err, req)) | |
231 | ||
232 | cl.log_outstanding() | |
233 | ||
234 | clients = [ ] | |
235 | ||
1cc6968f | 236 | def process_cfg(_opts, putative_servers, putative_clients): |
c7fb640e IJ |
237 | global clients |
238 | ||
239 | for ss in putative_servers.values(): | |
240 | for (ci,cs) in putative_clients.items(): | |
241 | c = ConfigResults() | |
242 | ||
8d374606 | 243 | sections = cfg_process_client_common(c,ss,cs,ci) |
c7fb640e IJ |
244 | if not sections: continue |
245 | ||
8c771381 IJ |
246 | log_debug_config('processing client [%s %s]' % (ss, cs)) |
247 | ||
c7fb640e IJ |
248 | def srch(getter,key): return cfg_search(getter,key,sections) |
249 | ||
250 | c.http_timeout += srch(cfg.getint, 'http_timeout_grace') | |
251 | c.max_outstanding = srch(cfg.getint, 'max_requests_outstanding') | |
252 | c.max_batch_up = srch(cfg.getint, 'max_batch_up') | |
253 | c.http_retry = srch(cfg.getint, 'http_retry') | |
f754eec4 | 254 | c.max_queue_time = srch(cfg.getint, 'max_queue_time') |
c7fb640e IJ |
255 | c.vroutes = srch(cfg.get, 'vroutes') |
256 | ||
d72f8360 IJ |
257 | try: c.ifname = srch(cfg_get_raw, 'ifname_client') |
258 | except NoOptionError: pass | |
259 | ||
c7fb640e IJ |
260 | try: c.url = srch(cfg.get,'url') |
261 | except NoOptionError: | |
8d374606 | 262 | cfg_process_saddrs(c, ss) |
c7fb640e IJ |
263 | c.url = c.saddrs[0].url() |
264 | ||
8d374606 IJ |
265 | c.client = ci |
266 | ||
267 | cfg_process_vaddr(c,ss) | |
268 | ||
269 | cfg_process_ipif(c, | |
c7fb640e IJ |
270 | sections, |
271 | (('local','client'), | |
272 | ('peer', 'vaddr'), | |
273 | ('rnets','vroutes'))) | |
274 | ||
275 | clients.append(Client(c,ss,cs)) | |
0accf0d3 | 276 | |
5510890e | 277 | common_startup(process_cfg) |
c7fb640e IJ |
278 | |
279 | for cl in clients: | |
280 | cl.start() | |
909e0ff3 | 281 | cl.ipif = start_ipif(cl.c.ipif_command, cl.outbound) |
c7fb640e IJ |
282 | cl.check_outbound() |
283 | ||
034284c3 | 284 | common_run() |