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0ec1854a MT |
1 | #!/usr/bin/python |
2 | ############################################################################### | |
3 | # # | |
4 | # collecty - A system statistics collection daemon for IPFire # | |
5 | # Copyright (C) 2015 IPFire development team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | import os | |
23 | ||
24 | import base | |
25 | ||
0308c0f3 MT |
26 | from ..i18n import _ |
27 | ||
0ec1854a MT |
28 | CONNTRACK_FILE = "/proc/net/nf_conntrack" |
29 | ||
30 | class ConntrackTable(object): | |
31 | _layer3_protocols = ( | |
32 | "ipv6", | |
33 | "ipv4", | |
34 | "other", | |
35 | ) | |
36 | ||
37 | _layer4_protocols = ( | |
38 | "dccp", | |
39 | "icmp", | |
40 | "igmp", | |
41 | "sctp", | |
42 | "tcp", | |
43 | "udp", | |
44 | "udplite", | |
45 | "other", | |
46 | ) | |
47 | ||
48 | _stateful_layer4_protocols = { | |
49 | "dccp" : ( | |
50 | "CLOSEREQ", | |
51 | "CLOSING", | |
52 | "IGNORE", | |
53 | "INVALID", | |
54 | "NONE", | |
55 | "OPEN", | |
56 | "PARTOPEN", | |
57 | "REQUEST", | |
58 | "RESPOND", | |
59 | "TIME_WAIT", | |
60 | ), | |
61 | "sctp" : ( | |
62 | "CLOSED", | |
63 | "COOKIE_ECHOED", | |
64 | "COOKIE_WAIT", | |
65 | "ESTABLISHED", | |
66 | "NONE", | |
67 | "SHUTDOWN_ACK_SENT", | |
68 | "SHUTDOWN_RECD", | |
69 | "SHUTDOWN_SENT", | |
70 | ), | |
71 | "tcp" : ( | |
72 | "CLOSE", | |
73 | "CLOSE_WAIT", | |
74 | "ESTABLISHED", | |
75 | "FIN_WAIT", | |
76 | "LAST_ACK", | |
77 | "NONE", | |
78 | "SYN_RECV", | |
79 | "SYN_SENT", | |
80 | "SYN_SENT2", | |
81 | "TIME_WAIT", | |
82 | ), | |
83 | } | |
84 | ||
85 | def __init__(self, filename): | |
86 | with open(filename) as f: | |
87 | self.layer3_protocols = {} | |
88 | for proto in self._layer3_protocols: | |
89 | self.layer3_protocols[proto] = 0 | |
90 | ||
91 | self.layer4_protocols = {} | |
92 | for proto in self._layer4_protocols: | |
93 | self.layer4_protocols[proto] = 0 | |
94 | ||
95 | self.protocol_states = {} | |
96 | for proto, states in self._stateful_layer4_protocols.items(): | |
97 | self.protocol_states[proto] = dict((state, 0) for state in states) | |
98 | ||
99 | for line in f.readlines(): | |
100 | line = line.split() | |
101 | ||
102 | # Layer 3 protocol | |
103 | layer3_protocol = line[0] | |
104 | ||
105 | try: | |
106 | self.layer3_protocols[layer3_protocol] += 1 | |
107 | except KeyError: | |
108 | self.layer3_protocols["other"] += 1 | |
109 | ||
110 | # Layer 4 protocol | |
111 | layer4_protocol = line[2] | |
112 | ||
113 | try: | |
114 | self.layer4_protocols[layer4_protocol] += 1 | |
115 | except KeyError: | |
116 | self.layer4_protocols["other"] += 1 | |
117 | layer4_protocol = "other" | |
118 | ||
119 | # Count connection states | |
120 | if self.protocol_states.has_key(layer4_protocol): | |
121 | state = line[5] | |
122 | ||
123 | try: | |
124 | self.protocol_states[layer4_protocol][state] += 1 | |
125 | except KeyError: | |
126 | pass | |
127 | ||
128 | ||
0308c0f3 MT |
129 | class ConntrackLayer3ProtocolsGraphTemplate(base.GraphTemplate): |
130 | name = "conntrack-layer3-protocols" | |
131 | ||
132 | protocols = ConntrackTable._layer3_protocols | |
133 | ||
134 | protocol_colours = { | |
135 | "ipv6" : "#cc0033", | |
136 | "ipv4" : "#cccc33", | |
137 | } | |
138 | ||
139 | protocol_descriptions = { | |
140 | "ipv6" : _("IPv6"), | |
141 | "ipv4" : _("IPv4"), | |
142 | "other" : _("Other"), | |
143 | } | |
144 | ||
145 | @property | |
146 | def graph_title(self): | |
147 | return _("Connections by Layer 3 Protocols") | |
148 | ||
149 | @property | |
150 | def graph_vertical_label(self): | |
151 | return _("Number of open connections") | |
152 | ||
153 | def get_object_table(self, object_id): | |
154 | return { | |
155 | "file" : self.plugin.get_object("layer3-protocols"), | |
156 | } | |
157 | ||
158 | @property | |
159 | def rrd_graph(self): | |
160 | args = [] | |
161 | ||
162 | for proto in reversed(self.protocols): | |
163 | i = { | |
164 | "colour" : self.protocol_colours.get(proto, "#000000"), | |
165 | "description" : self.protocol_descriptions.get(proto, proto), | |
166 | "proto" : proto, | |
167 | "type" : type, | |
168 | ||
169 | "legend_min" : "%10s\: %%8.0lf" % _("Minimum"), | |
170 | "legend_max" : "%10s\: %%8.0lf" % _("Maximum"), | |
171 | "legend_avg" : "%10s\: %%8.0lf" % _("Average"), | |
172 | "legend_cur" : "%10s\: %%8.0lf" % _("Current"), | |
173 | } | |
174 | ||
175 | args += [ | |
176 | "DEF:%(proto)s=%%(file)s:%(proto)s:AVERAGE" % i, | |
177 | "AREA:%(proto)s%(colour)s:%(description)-15s:STACK" % i, | |
178 | "VDEF:%(proto)s_cur=%(proto)s,LAST" % i, | |
179 | "GPRINT:%(proto)s_cur:%(legend_cur)s" % i, | |
180 | "VDEF:%(proto)s_avg=%(proto)s,AVERAGE" % i, | |
181 | "GPRINT:%(proto)s_avg:%(legend_avg)s" % i, | |
182 | "VDEF:%(proto)s_min=%(proto)s,MINIMUM" % i, | |
183 | "GPRINT:%(proto)s_min:%(legend_min)s" % i, | |
184 | "VDEF:%(proto)s_max=%(proto)s,MAXIMUM" % i, | |
185 | "GPRINT:%(proto)s_max:%(legend_max)s\\n" % i, | |
186 | ] | |
187 | ||
188 | return args | |
189 | ||
190 | @property | |
191 | def rrd_graph_args(self): | |
192 | return [ | |
193 | "--legend-direction=bottomup", | |
194 | ] | |
195 | ||
196 | ||
197 | class ConntrackLayer4ProtocolsGraphTemplate(ConntrackLayer3ProtocolsGraphTemplate): | |
198 | name = "conntrack-layer4-protocols" | |
199 | ||
200 | protocol_colours = { | |
201 | "tcp" : "#336600", | |
202 | "udp" : "#666633", | |
203 | "icmp" : "#336666", | |
204 | "igmp" : "#666699", | |
205 | "udplite" : "#3366cc", | |
206 | "sctp" : "#6666ff", | |
207 | "dccp" : "#33cc00", | |
208 | } | |
209 | ||
210 | protocol_descriptions = { | |
211 | "tcp" : _("TCP"), | |
212 | "udp" : _("UDP"), | |
213 | "icmp" : _("ICMP"), | |
214 | "igmp" : _("IGMP"), | |
215 | "udplite" : _("UDP Lite"), | |
216 | "sctp" : _("SCTP"), | |
217 | "dccp" : _("DCCP"), | |
218 | "other" : _("Other"), | |
219 | } | |
220 | ||
221 | protocol_sortorder = { | |
222 | "tcp" : 1, | |
223 | "udp" : 2, | |
224 | "icmp" : 3, | |
225 | "igmp" : 4, | |
226 | "udplite" : 5, | |
227 | "sctp" : 6, | |
228 | "dccp" : 7, | |
229 | } | |
230 | ||
231 | @property | |
232 | def graph_title(self): | |
233 | return _("Connections by IP Protocols") | |
234 | ||
235 | @property | |
236 | def protocols(self): | |
237 | return sorted(ConntrackTable._layer4_protocols, | |
238 | key=lambda x: self.protocol_sortorder.get(x, 99)) | |
239 | ||
240 | def get_object_table(self, object_id): | |
241 | return { | |
242 | "file" : self.plugin.get_object("layer4-protocols"), | |
243 | } | |
244 | ||
245 | ||
246 | ||
247 | class ConntrackProtocolWithStatesGraphTemplate(base.GraphTemplate): | |
248 | name = "conntrack-protocol-states" | |
249 | ||
250 | lower_limit = 0 | |
251 | ||
252 | states_colours = { | |
253 | "dccp" : { | |
254 | "CLOSEREQ" : "#000000", | |
255 | "CLOSING" : "#111111", | |
256 | "IGNORE" : "#222222", | |
257 | "INVALID" : "#333333", | |
258 | "NONE" : "#444444", | |
259 | "OPEN" : "#555555", | |
260 | "PARTOPEN" : "#666666", | |
261 | "REQUEST" : "#777777", | |
262 | "RESPOND" : "#888888", | |
263 | "TIME_WAIT" : "#999999", | |
264 | }, | |
265 | "sctp" : { | |
266 | "CLOSED" : "#000000", | |
267 | "COOKIE_ECHOED" : "#111111", | |
268 | "COOKIE_WAIT" : "#222222", | |
269 | "ESTABLISHED" : "#333333", | |
270 | "NONE" : "#444444", | |
271 | "SHUTDOWN_ACK_SENT" : "#555555", | |
272 | "SHUTDOWN_RECD" : "#666666", | |
273 | "SHUTDOWN_SENT" : "#777777", | |
274 | }, | |
275 | "tcp" : { | |
276 | "CLOSE" : "#ffffff", | |
277 | "CLOSE_WAIT" : "#999999", | |
278 | "ESTABLISHED" : "#000000", | |
279 | "FIN_WAIT" : "#888888", | |
280 | "LAST_ACK" : "#777777", | |
281 | "NONE" : "#000000", | |
282 | "SYN_RECV" : "#111111", | |
283 | "SYN_SENT" : "#222222", | |
284 | "SYN_SENT2" : "#333333", | |
285 | "TIME_WAIT" : "#444444", | |
286 | }, | |
287 | } | |
288 | ||
289 | states_descriptions = { | |
290 | "dccp" : {}, | |
291 | "sctp" : {}, | |
292 | "tcp" : {}, | |
293 | } | |
294 | ||
295 | states_sortorder = { | |
296 | "dccp" : { | |
297 | "CLOSEREQ" : 0, | |
298 | "CLOSING" : 0, | |
299 | "IGNORE" : 0, | |
300 | "INVALID" : 0, | |
301 | "NONE" : 0, | |
302 | "OPEN" : 0, | |
303 | "PARTOPEN" : 0, | |
304 | "REQUEST" : 0, | |
305 | "RESPOND" : 0, | |
306 | "TIME_WAIT" : 0, | |
307 | }, | |
308 | "sctp" : { | |
309 | "CLOSED" : 0, | |
310 | "COOKIE_ECHOED" : 0, | |
311 | "COOKIE_WAIT" : 0, | |
312 | "ESTABLISHED" : 0, | |
313 | "NONE" : 0, | |
314 | "SHUTDOWN_ACK_SENT" : 0, | |
315 | "SHUTDOWN_RECD" : 0, | |
316 | "SHUTDOWN_SENT" : 0, | |
317 | }, | |
318 | "tcp" : { | |
319 | "CLOSE" : 9, | |
320 | "CLOSE_WAIT" : 8, | |
321 | "ESTABLISHED" : 1, | |
322 | "FIN_WAIT" : 6, | |
323 | "LAST_ACK" : 7, | |
324 | "NONE" : 10, | |
325 | "SYN_RECV" : 2, | |
326 | "SYN_SENT" : 3, | |
327 | "SYN_SENT2" : 4, | |
328 | "TIME_WAIT" : 5, | |
329 | }, | |
330 | } | |
331 | ||
332 | @property | |
333 | def graph_title(self): | |
334 | return _("Protocol States of all %s connections") % self.protocol.upper() | |
335 | ||
336 | @property | |
337 | def graph_vertical_label(self): | |
338 | return _("Number of open connections") | |
339 | ||
340 | @property | |
341 | def protocol(self): | |
342 | return self.object.protocol | |
343 | ||
344 | @property | |
345 | def states(self): | |
346 | return sorted(ConntrackTable._stateful_layer4_protocols[self.protocol], | |
347 | key=lambda x: self.states_sortorder[self.protocol].get(x, 99)) | |
348 | ||
349 | @property | |
350 | def rrd_graph(self): | |
351 | args = [] | |
352 | ||
353 | for state in reversed(self.states): | |
354 | i = { | |
355 | "colour" : self.states_colours[self.protocol].get(state, "#000000"), | |
356 | "description" : self.states_descriptions[self.protocol].get(state, state), | |
357 | "proto" : self.protocol, | |
358 | "state" : state, | |
359 | ||
360 | "legend_min" : "%10s\: %%8.0lf" % _("Minimum"), | |
361 | "legend_max" : "%10s\: %%8.0lf" % _("Maximum"), | |
362 | "legend_avg" : "%10s\: %%8.0lf" % _("Average"), | |
363 | "legend_cur" : "%10s\: %%8.0lf" % _("Current"), | |
364 | } | |
365 | ||
366 | args += [ | |
367 | "DEF:%(state)s=%%(file)s:%(state)s:AVERAGE" % i, | |
368 | "AREA:%(state)s%(colour)s:%(description)-15s:STACK" % i, | |
369 | "VDEF:%(state)s_cur=%(state)s,LAST" % i, | |
370 | "GPRINT:%(state)s_cur:%(legend_cur)s" % i, | |
371 | "VDEF:%(state)s_avg=%(state)s,AVERAGE" % i, | |
372 | "GPRINT:%(state)s_avg:%(legend_avg)s" % i, | |
373 | "VDEF:%(state)s_min=%(state)s,MINIMUM" % i, | |
374 | "GPRINT:%(state)s_min:%(legend_min)s" % i, | |
375 | "VDEF:%(state)s_max=%(state)s,MAXIMUM" % i, | |
376 | "GPRINT:%(state)s_max:%(legend_max)s\\n" % i, | |
377 | ] | |
378 | ||
379 | return args | |
380 | ||
381 | @property | |
382 | def rrd_graph_args(self): | |
383 | return [ | |
384 | "--legend-direction=bottomup", | |
385 | ] | |
386 | ||
387 | ||
0ec1854a MT |
388 | class ConntrackObject(base.Object): |
389 | protocol = None | |
390 | ||
391 | def init(self, conntrack_table): | |
392 | self.conntrack_table = conntrack_table | |
393 | ||
394 | @property | |
395 | def id(self): | |
396 | return self.protocol | |
397 | ||
398 | ||
399 | class ConntrackLayer3ProtocolsObject(ConntrackObject): | |
400 | protocols = ConntrackTable._layer3_protocols | |
401 | ||
402 | rrd_schema = [ | |
403 | "DS:%s:GAUGE:0:U" % p for p in protocols | |
404 | ] | |
405 | ||
406 | @property | |
407 | def id(self): | |
408 | return "layer3-protocols" | |
409 | ||
410 | def collect(self): | |
411 | results = [] | |
412 | ||
413 | for proto in self.protocols: | |
414 | r = self.conntrack_table.layer3_protocols.get(proto, 0) | |
415 | results.append("%s" % r) | |
416 | ||
f648421a | 417 | return results |
0ec1854a MT |
418 | |
419 | ||
420 | class ConntrackLayer4ProtocolsObject(ConntrackObject): | |
421 | protocols = ConntrackTable._layer4_protocols | |
422 | ||
423 | rrd_schema = [ | |
424 | "DS:%s:GAUGE:0:U" % p for p in protocols | |
425 | ] | |
426 | ||
427 | @property | |
428 | def id(self): | |
429 | return "layer4-protocols" | |
430 | ||
431 | def collect(self): | |
432 | results = [] | |
433 | ||
434 | for proto in self.protocols: | |
435 | r = self.conntrack_table.layer4_protocols.get(proto, 0) | |
436 | results.append("%s" % r) | |
437 | ||
f648421a | 438 | return results |
0ec1854a MT |
439 | |
440 | ||
441 | class ConntrackProtocolWithStatesObject(ConntrackObject): | |
442 | def init(self, conntrack_table, protocol): | |
443 | ConntrackObject.init(self, conntrack_table) | |
444 | self.protocol = protocol | |
445 | ||
b54c3e02 MT |
446 | def __repr__(self): |
447 | return "<%s %s>" % (self.__class__.__name__, self.protocol) | |
448 | ||
0ec1854a MT |
449 | @property |
450 | def states(self): | |
451 | return ConntrackTable._stateful_layer4_protocols.get(self.protocol) | |
452 | ||
453 | @property | |
454 | def rrd_schema(self): | |
455 | return ["DS:%s:GAUGE:0:U" % state for state in self.states] | |
456 | ||
457 | def get_states(self): | |
458 | results = [] | |
459 | ||
460 | for state in self.states: | |
461 | r = self.conntrack_table.protocol_states[self.protocol].get(state, 0) | |
462 | results.append("%s" % r) | |
463 | ||
464 | return results | |
465 | ||
466 | def collect(self): | |
f648421a | 467 | return self.get_states() |
0ec1854a MT |
468 | |
469 | ||
470 | class ConntrackPlugin(base.Plugin): | |
471 | name = "conntrack" | |
472 | description = "Conntrack Plugin" | |
473 | ||
0308c0f3 MT |
474 | templates = [ |
475 | ConntrackLayer3ProtocolsGraphTemplate, | |
476 | ConntrackLayer4ProtocolsGraphTemplate, | |
477 | ConntrackProtocolWithStatesGraphTemplate, | |
478 | ] | |
0ec1854a MT |
479 | |
480 | @property | |
481 | def objects(self): | |
482 | ct = self.get_conntrack_table() | |
483 | ||
484 | if ct: | |
485 | yield ConntrackLayer3ProtocolsObject(self, ct) | |
486 | yield ConntrackLayer4ProtocolsObject(self, ct) | |
487 | ||
488 | for protocol in ConntrackTable._stateful_layer4_protocols: | |
489 | yield ConntrackProtocolWithStatesObject(self, ct, protocol) | |
490 | ||
491 | def get_conntrack_table(self): | |
492 | if not os.path.exists(CONNTRACK_FILE): | |
493 | return | |
494 | ||
495 | return ConntrackTable(CONNTRACK_FILE) |