aboutsummaryrefslogtreecommitdiffstats
path: root/test/vpp_papi_provider.py
blob: 90c954dc0b354e9313c43c007891ffd4fd0c2bb5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
import os
import fnmatch
import time
from hook import Hook
from collections import deque

# Sphinx creates auto-generated documentation by importing the python source
# files and collecting the docstrings from them. The NO_VPP_PAPI flag allows
# the vpp_papi_provider.py file to be importable without having to build
# the whole vpp api if the user only wishes to generate the test documentation.
do_import = True
try:
    no_vpp_papi = os.getenv("NO_VPP_PAPI")
    if no_vpp_papi == "1":
        do_import = False
except:
    pass

if do_import:
    from vpp_papi import VPP

# from vnet/vnet/mpls/mpls_types.h
MPLS_IETF_MAX_LABEL = 0xfffff
MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1


class L2_VTR_OP:
    L2_POP_1 = 3


class VppPapiProvider(object):
    """VPP-api provider using vpp-papi

    @property hook: hook object providing before and after api/cli hooks
    """

    _zero, _negative = range(2)

    def __init__(self, name, shm_prefix, test_class):
        self.hook = Hook("vpp-papi-provider")
        self.name = name
        self.shm_prefix = shm_prefix
        self.test_class = test_class
        self._expect_api_retval = self._zero
        self._expect_stack = []
        jsonfiles = []

        install_dir = os.getenv('VPP_TEST_INSTALL_PATH')
        for root, dirnames, filenames in os.walk(install_dir):
            for filename in fnmatch.filter(filenames, '*.api.json'):
                jsonfiles.append(os.path.join(root, filename))

        self.papi = VPP(jsonfiles)
        self._events = deque()

    def __enter__(self):
        return self

    def expect_negative_api_retval(self):
        """ Expect API failure """
        self._expect_stack.append(self._expect_api_retval)
        self._expect_api_retval = self._negative
        return self

    def expect_zero_api_retval(self):
        """ Expect API success """
        self._expect_stack.append(self._expect_api_retval)
        self._expect_api_retval = self._zero
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self._expect_api_retval = self._expect_stack.pop()

    def register_hook(self, hook):
        """Replace hook registration with new hook

        :param hook:

        """
        self.hook = hook

    def collect_events(self):
        """ Collect all events from the internal queue and clear the queue. """
        e = self._events
        self._events = deque()
        return e

    def wait_for_event(self, timeout, name=None):
        """ Wait for and return next event. """
        if self._events:
            self.test_class.logger.debug("Not waiting, event already queued")
        limit = time.time() + timeout
        while time.time() < limit:
            if self._events:
                e = self._events.popleft()
                if name and type(e).__name__ != name:
                    raise Exception(
                        "Unexpected event received: %s, expected: %s" %
                        (type(e).__name__, name))
                self.test_class.logger.debug("Returning event %s:%s" %
                                             (name, e))
                return e
            time.sleep(0)  # yield
        if name is not None:
            raise Exception("Event %s did not occur within timeout" % name)
        raise Exception("Event did not occur within timeout")

    def __call__(self, name, event):
        """ Enqueue event in the internal event queue. """
        # FIXME use the name instead of relying on type(e).__name__ ?
        # FIXME #2 if this throws, it is eaten silently, Ole?
        self.test_class.logger.debug("New event: %s: %s" % (name, event))
        self._events.append(event)

    def connect(self):
        """Connect the API to VPP"""
        self.papi.connect(self.name, self.shm_prefix)
        self.papi.register_event_callback(self)

    def disconnect(self):
        """Disconnect the API from VPP"""
        self.papi.disconnect()

    def api(self, api_fn, api_args, expected_retval=0):
        """ Call API function and check it's return value.
        Call the appropriate hooks before and after the API call

        :param api_fn: API function to call
        :param api_args: tuple of API function arguments
        :param expected_retval: Expected return value (Default value = 0)
        :returns: reply from the API

        """
        self.hook.before_api(api_fn.__name__, api_args)
        reply = api_fn(**api_args)
        if self._expect_api_retval == self._negative:
            if hasattr(reply, 'retval') and reply.retval >= 0:
                msg = "API call passed unexpectedly: expected negative "\
                    "return value instead of %d in %s" % \
                    (reply.retval, repr(reply))
                self.test_class.logger.info(msg)
                raise Exception(msg)
        elif self._expect_api_retval == self._zero:
            if hasattr(reply, 'retval') and reply.retval != expected_retval:
                msg = "API call failed, expected zero return value instead "\
                    "of %d in %s" % (expected_retval, repr(reply))
                self.test_class.logger.info(msg)
                raise Exception(msg)
        else:
            raise Exception("Internal error, unexpected value for "
                            "self._expect_api_retval %s" %
                            self._expect_api_retval)
        self.hook.after_api(api_fn.__name__, api_args)
        return reply

    def cli(self, cli):
        """ Execute a CLI, calling the before/after hooks appropriately.

        :param cli: CLI to execute
        :returns: CLI output

        """
        self.hook.before_cli(cli)
        cli += '\n'
        r = self.papi.cli_inband(length=len(cli), cmd=cli)
        self.hook.after_cli(cli)
        if hasattr(r, 'reply'):
            return r.reply.decode().rstrip('\x00')

    def ppcli(self, cli):
        """ Helper method to print CLI command in case of info logging level.

        :param cli: CLI to execute
        :returns: CLI output
        """
        return cli + "\n" + str(self.cli(cli))

    def _convert_mac(self, mac):
        return int(mac.replace(":", ""), 16) << 16

    def show_version(self):
        """ """
        return self.papi.show_version()

    def pg_create_interface(self, pg_index):
        """

        :param pg_index:

        """
        return self.api(self.papi.pg_create_interface,
                        {"interface_id": pg_index})

    def sw_interface_dump(self, filter=None):
        """

        :param filter:  (Default value = None)

        """
        if filter is not None:
            args = {"name_filter_valid": 1, "name_filter": filter}
        else:
            args = {}
        return self.api(self.papi.sw_interface_dump, args)

    def sw_interface_set_table(self, sw_if_index, is_ipv6, table_id):
        """ Set the IPvX Table-id for the Interface

        :param sw_if_index:
        :param is_ipv6:
        :param table_id:

        """
        return self.api(self.papi.sw_interface_set_table,
                        {'sw_if_index': sw_if_index, 'is_ipv6': is_ipv6,
                         'vrf_id': table_id})

    def sw_interface_add_del_address(self, sw_if_index, addr, addr_len,
                                     is_ipv6=0, is_add=1, del_all=0):
        """

        :param addr: param is_ipv6:  (Default value = 0)
        :param sw_if_index:
        :param addr_len:
        :param is_ipv6:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param del_all:  (Default value = 0)

        """
        return self.api(self.papi.sw_interface_add_del_address,
                        {'sw_if_index': sw_if_index,
                         'is_add': is_add,
                         'is_ipv6': is_ipv6,
                         'del_all': del_all,
                         'address_length': addr_len,
                         'address': addr})

    def sw_interface_enable_disable_mpls(self, sw_if_index,
                                         is_enable=1):
        """
        Enable/Disable MPLS on the interface
        :param sw_if_index:
        :param is_enable:  (Default value = 1)

        """
        return self.api(self.papi.sw_interface_set_mpls_enable,
                        {'sw_if_index': sw_if_index,
                         'enable': is_enable})

    def sw_interface_ra_suppress(self, sw_if_index):
        return self.api(self.papi.sw_interface_ip6nd_ra_config,
                        {'sw_if_index': sw_if_index})

    def ip6_sw_interface_ra_config(self, sw_if_index,
                                   no,
                                   suppress,
                                   send_unicast):
        return self.api(self.papi.sw_interface_ip6nd_ra_config,
                        {'sw_if_index': sw_if_index,
                         'is_no': no,
                         'suppress': suppress,
                         'send_unicast': send_unicast})

    def ip6_sw_interface_enable_disable(self, sw_if_index, enable):
        """
        Enable/Disable An interface for IPv6
        """
        return self.api(self.papi.sw_interface_ip6_enable_disable,
                        {'sw_if_index': sw_if_index,
                         'enable': enable})

    def vxlan_add_del_tunnel(
            self,
            src_addr,
            dst_addr,
            mcast_sw_if_index=0xFFFFFFFF,
            is_add=1,
            is_ipv6=0,
            encap_vrf_id=0,
            decap_next_index=0xFFFFFFFF,
            vni=0):
        """

        :param dst_addr:
        :param src_addr:
        :param is_add:  (Default value = 1)
        :param is_ipv6:  (Default value = 0)
        :param encap_vrf_id:  (Default value = 0)
        :param decap_next_index:  (Default value = 0xFFFFFFFF)
        :param mcast_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param vni:  (Default value = 0)

        """
        return self.api(self.papi.vxlan_add_del_tunnel,
                        {'is_add': is_add,
                         'is_ipv6': is_ipv6,
                         'src_address': src_addr,
                         'dst_address': dst_addr,
                         'mcast_sw_if_index': mcast_sw_if_index,
                         'encap_vrf_id': encap_vrf_id,
                         'decap_next_index': decap_next_index,
                         'vni': vni})

    def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1,
                              learn=1, arp_term=0, is_add=1):
        """Create/delete bridge domain.

        :param int bd_id: Bridge domain index.
        :param int flood: Enable/disable bcast/mcast flooding in the BD.
            (Default value = 1)
        :param int uu_flood: Enable/disable unknown unicast flood in the BD.
            (Default value = 1)
        :param int forward: Enable/disable forwarding on all interfaces in
            the BD. (Default value = 1)
        :param int learn: Enable/disable learning on all interfaces in the BD.
            (Default value = 1)
        :param int arp_term: Enable/disable arp termination in the BD.
            (Default value = 1)
        :param int is_add: Add or delete flag. (Default value = 1)
        """
        return self.api(self.papi.bridge_domain_add_del,
                        {'bd_id': bd_id,
                         'flood': flood,
                         'uu_flood': uu_flood,
                         'forward': forward,
                         'learn': learn,
                         'arp_term': arp_term,
                         'is_add': is_add})

    def l2fib_add_del(self, mac, bd_id, sw_if_index, is_add=1, static_mac=0,
                      filter_mac=0, bvi_mac=0):
        """Create/delete L2 FIB entry.

        :param str mac: MAC address to create FIB entry for.
        :param int bd_id: Bridge domain index.
        :param int sw_if_index: Software interface index of the interface.
        :param int is_add: Add or delete flag. (Default value = 1)
        :param int static_mac: Set to 1 to create static MAC entry.
            (Default value = 0)
        :param int filter_mac: Set to 1 to drop packet that's source or
            destination MAC address contains defined MAC address.
            (Default value = 0)
        :param int bvi_mac: Set to 1 to create entry that points to BVI
            interface. (Default value = 0)
        """
        return self.api(self.papi.l2fib_add_del,
                        {'mac': self._convert_mac(mac),
                         'bd_id': bd_id,
                         'sw_if_index': sw_if_index,
                         'is_add': is_add,
                         'static_mac': static_mac,
                         'filter_mac': filter_mac,
                         'bvi_mac': bvi_mac})

    def sw_interface_set_l2_bridge(self, sw_if_index, bd_id,
                                   shg=0, bvi=0, enable=1):
        """Add/remove interface to/from bridge domain.

        :param int sw_if_index: Software interface index of the interface.
        :param int bd_id: Bridge domain index.
        :param int shg: Split-horizon group index. (Default value = 0)
        :param int bvi: Set interface as a bridge group virtual interface.
            (Default value = 0)
        :param int enable: Add or remove interface. (Default value = 1)
        """
        return self.api(self.papi.sw_interface_set_l2_bridge,
                        {'rx_sw_if_index': sw_if_index,
                         'bd_id': bd_id,
                         'shg': shg,
                         'bvi': bvi,
                         'enable': enable})

    def bridge_flags(self, bd_id, is_set, feature_bitmap):
        """Enable/disable required feature of the bridge domain with defined ID.

        :param int bd_id: Bridge domain ID.
        :param int is_set: Set to 1 to enable, set to 0 to disable the feature.
        :param int feature_bitmap: Bitmap value of the feature to be set:
            - learn (1 << 0),
            - forward (1 << 1),
            - flood (1 << 2),
            - uu-flood (1 << 3) or
            - arp-term (1 << 4).
        """
        return self.api(self.papi.bridge_flags,
                        {'bd_id': bd_id,
                         'is_set': is_set,
                         'feature_bitmap': feature_bitmap})

    def bridge_domain_dump(self, bd_id=0):
        """

        :param int bd_id: Bridge domain ID. (Default value = 0 => dump of all
            existing bridge domains returned)
        :return: Dictionary of bridge domain(s) data.
        """
        return self.api(self.papi.bridge_domain_dump,
                        {'bd_id': bd_id})

    def sw_interface_set_l2_xconnect(self, rx_sw_if_index, tx_sw_if_index,
                                     enable):
        """Create or delete unidirectional cross-connect from Tx interface to
        Rx interface.

        :param int rx_sw_if_index: Software interface index of Rx interface.
        :param int tx_sw_if_index: Software interface index of Tx interface.
        :param int enable: Create cross-connect if equal to 1, delete
            cross-connect if equal to 0.

        """
        return self.api(self.papi.sw_interface_set_l2_xconnect,
                        {'rx_sw_if_index': rx_sw_if_index,
                         'tx_sw_if_index': tx_sw_if_index,
                         'enable': enable})

    def sw_interface_set_l2_tag_rewrite(
            self,
            sw_if_index,
            vtr_oper,
            push=0,
            tag1=0,
            tag2=0):
        """L2 interface vlan tag rewrite configure request
        :param client_index - opaque cookie to identify the sender
        :param context - sender context, to match reply w/ request
        :param sw_if_index - interface the operation is applied to
        :param vtr_op - Choose from l2_vtr_op_t enum values
        :param push_dot1q - first pushed flag dot1q id set, else dot1ad
        :param tag1 - Needed for any push or translate vtr op
        :param tag2 - Needed for any push 2 or translate x-2 vtr ops

        """
        return self.api(self.papi.l2_interface_vlan_tag_rewrite,
                        {'sw_if_index': sw_if_index,
                         'vtr_op': vtr_oper,
                         'push_dot1q': push,
                         'tag1': tag1,
                         'tag2': tag2})

    def sw_interface_set_flags(self, sw_if_index, admin_up_down,
                               link_up_down=0, deleted=0):
        """

        :param admin_up_down:
        :param sw_if_index:
        :param link_up_down:  (Default value = 0)
        :param deleted:  (Default value = 0)

        """
        return self.api(self.papi.sw_interface_set_flags,
                        {'sw_if_index': sw_if_index,
                         'admin_up_down': admin_up_down,
                         'link_up_down': link_up_down,
                         'deleted': deleted})

    def create_subif(self, sw_if_index, sub_id, outer_vlan, inner_vlan,
                     no_tags=0, one_tag=0, two_tags=0, dot1ad=0, exact_match=0,
                     default_sub=0, outer_vlan_id_any=0, inner_vlan_id_any=0):
        """Create subinterface
        from vpe.api: set dot1ad = 0 for dot1q, set dot1ad = 1 for dot1ad

        :param sub_id: param inner_vlan:
        :param sw_if_index:
        :param outer_vlan:
        :param inner_vlan:
        :param no_tags:  (Default value = 0)
        :param one_tag:  (Default value = 0)
        :param two_tags:  (Default value = 0)
        :param dot1ad:  (Default value = 0)
        :param exact_match:  (Default value = 0)
        :param default_sub:  (Default value = 0)
        :param outer_vlan_id_any:  (Default value = 0)
        :param inner_vlan_id_any:  (Default value = 0)

        """
        return self.api(
            self.papi.create_subif,
            {'sw_if_index': sw_if_index,
             'sub_id': sub_id,
             'no_tags': no_tags,
             'one_tag': one_tag,
             'two_tags': two_tags,
             'dot1ad': dot1ad,
             'exact_match': exact_match,
             'default_sub': default_sub,
             'outer_vlan_id_any': outer_vlan_id_any,
             'inner_vlan_id_any': inner_vlan_id_any,
             'outer_vlan_id': outer_vlan,
             'inner_vlan_id': inner_vlan})

    def delete_subif(self, sw_if_index):
        """Delete subinterface

        :param sw_if_index:
        """
        return self.api(self.papi.delete_subif,
                        {'sw_if_index': sw_if_index})

    def create_vlan_subif(self, sw_if_index, vlan):
        """

        :param vlan:
        :param sw_if_index:

        """
        return self.api(self.papi.create_vlan_subif,
                        {'sw_if_index': sw_if_index,
                         'vlan_id': vlan})

    def create_loopback(self, mac=''):
        """

        :param mac: (Optional)
        """
        return self.api(self.papi.create_loopback,
                        {'mac_address': mac})

    def delete_loopback(self, sw_if_index):
        return self.api(self.papi.delete_loopback,
                        {'sw_if_index': sw_if_index, })

    def ip_add_del_route(
            self,
            dst_address,
            dst_address_length,
            next_hop_address,
            next_hop_sw_if_index=0xFFFFFFFF,
            table_id=0,
            next_hop_table_id=0,
            next_hop_weight=1,
            next_hop_n_out_labels=0,
            next_hop_out_label_stack=[],
            next_hop_via_label=MPLS_LABEL_INVALID,
            create_vrf_if_needed=0,
            is_resolve_host=0,
            is_resolve_attached=0,
            classify_table_index=0xFFFFFFFF,
            is_add=1,
            is_drop=0,
            is_unreach=0,
            is_prohibit=0,
            is_ipv6=0,
            is_local=0,
            is_classify=0,
            is_multipath=0,
            not_last=0):
        """

        :param dst_address_length:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param dst_address:
        :param next_hop_address:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param vrf_id:  (Default value = 0)
        :param lookup_in_vrf:  (Default value = 0)
        :param classify_table_index:  (Default value = 0xFFFFFFFF)
        :param create_vrf_if_needed:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param is_drop:  (Default value = 0)
        :param is_ipv6:  (Default value = 0)
        :param is_local:  (Default value = 0)
        :param is_classify:  (Default value = 0)
        :param is_multipath:  (Default value = 0)
        :param is_resolve_host:  (Default value = 0)
        :param is_resolve_attached:  (Default value = 0)
        :param not_last:  (Default value = 0)
        :param next_hop_weight:  (Default value = 1)

        """

        return self.api(
            self.papi.ip_add_del_route,
            {'next_hop_sw_if_index': next_hop_sw_if_index,
             'table_id': table_id,
             'classify_table_index': classify_table_index,
             'next_hop_table_id': next_hop_table_id,
             'create_vrf_if_needed': create_vrf_if_needed,
             'is_add': is_add,
             'is_drop': is_drop,
             'is_unreach': is_unreach,
             'is_prohibit': is_prohibit,
             'is_ipv6': is_ipv6,
             'is_local': is_local,
             'is_classify': is_classify,
             'is_multipath': is_multipath,
             'is_resolve_host': is_resolve_host,
             'is_resolve_attached': is_resolve_attached,
             'not_last': not_last,
             'next_hop_weight': next_hop_weight,
             'dst_address_length': dst_address_length,
             'dst_address': dst_address,
             'next_hop_address': next_hop_address,
             'next_hop_n_out_labels': next_hop_n_out_labels,
             'next_hop_via_label': next_hop_via_label,
             'next_hop_out_label_stack': next_hop_out_label_stack})

    def ip_fib_dump(self):
        return self.api(self.papi.ip_fib_dump, {})

    def ip_neighbor_add_del(self,
                            sw_if_index,
                            mac_address,
                            dst_address,
                            vrf_id=0,
                            is_add=1,
                            is_ipv6=0,
                            is_static=0,
                            ):
        """ Add neighbor MAC to IPv4 or IPv6 address.

        :param sw_if_index:
        :param mac_address:
        :param dst_address:
        :param vrf_id:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param is_ipv6:  (Default value = 0)
        :param is_static:  (Default value = 0)
        """

        return self.api(
            self.papi.ip_neighbor_add_del,
            {'vrf_id': vrf_id,
             'sw_if_index': sw_if_index,
             'is_add': is_add,
             'is_ipv6': is_ipv6,
             'is_static': is_static,
             'mac_address': mac_address,
             'dst_address': dst_address
             }
        )

    def reset_vrf(self,
                  vrf_id,
                  is_ipv6=0,
                  ):
        """ Reset VRF (remove all routes etc.) request.

        :param int vrf_id: ID of the FIB table / VRF to reset.
        :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
        """

        return self.api(
            self.papi.reset_vrf,
            {'vrf_id': vrf_id,
             'is_ipv6': is_ipv6,
             }
        )

    def reset_fib(self,
                  vrf_id,
                  is_ipv6=0,
                  ):
        """ Reset VRF (remove all routes etc.) request.

        :param int vrf_id: ID of the FIB table / VRF to reset.
        :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
        """

        return self.api(
            self.papi.reset_fib,
            {'vrf_id': vrf_id,
             'is_ipv6': is_ipv6,
             }
        )

    def ip_dump(self,
                is_ipv6=0,
                ):
        """ Return IP dump.

        :param int is_ipv6: 1 for IPv6 neighbor, 0 for IPv4. (Default = 0)
        """

        return self.api(
            self.papi.ip_dump,
            {'is_ipv6': is_ipv6,
             }
        )

    def sw_interface_span_enable_disable(
            self, sw_if_index_from, sw_if_index_to, state=1):
        """

        :param sw_if_index_from:
        :param sw_if_index_to:
        :param state:
        """
        return self.api(self.papi.sw_interface_span_enable_disable,
                        {'sw_if_index_from': sw_if_index_from,
                         'sw_if_index_to': sw_if_index_to,
                         'state': state})

    def gre_tunnel_add_del(self,
                           src_address,
                           dst_address,
                           outer_fib_id=0,
                           is_teb=0,
                           is_add=1,
                           is_ip6=0):
        """ Add a GRE tunnel

        :param src_address:
        :param dst_address:
        :param outer_fib_id:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param is_ipv6:  (Default value = 0)
        :param is_teb:  (Default value = 0)
        """

        return self.api(
            self.papi.gre_add_del_tunnel,
            {'is_add': is_add,
             'is_ipv6': is_ip6,
             'teb': is_teb,
             'src_address': src_address,
             'dst_address': dst_address,
             'outer_fib_id': outer_fib_id}
        )

    def mpls_route_add_del(
            self,
            label,
            eos,
            next_hop_proto_is_ip4,
            next_hop_address,
            next_hop_sw_if_index=0xFFFFFFFF,
            table_id=0,
            next_hop_table_id=0,
            next_hop_weight=1,
            next_hop_n_out_labels=0,
            next_hop_out_label_stack=[],
            next_hop_via_label=MPLS_LABEL_INVALID,
            create_vrf_if_needed=0,
            is_resolve_host=0,
            is_resolve_attached=0,
            is_add=1,
            is_drop=0,
            is_multipath=0,
            classify_table_index=0xFFFFFFFF,
            is_classify=0,
            not_last=0):
        """

        :param dst_address_length:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param dst_address:
        :param next_hop_address:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param vrf_id:  (Default value = 0)
        :param lookup_in_vrf:  (Default value = 0)
        :param classify_table_index:  (Default value = 0xFFFFFFFF)
        :param create_vrf_if_needed:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param is_drop:  (Default value = 0)
        :param is_ipv6:  (Default value = 0)
        :param is_local:  (Default value = 0)
        :param is_classify:  (Default value = 0)
        :param is_multipath:  (Default value = 0)
        :param is_resolve_host:  (Default value = 0)
        :param is_resolve_attached:  (Default value = 0)
        :param not_last:  (Default value = 0)
        :param next_hop_weight:  (Default value = 1)

        """

        return self.api(
            self.papi.mpls_route_add_del,
            {'mr_label': label,
             'mr_eos': eos,
             'mr_table_id': table_id,
             'mr_classify_table_index': classify_table_index,
             'mr_create_table_if_needed': create_vrf_if_needed,
             'mr_is_add': is_add,
             'mr_is_classify': is_classify,
             'mr_is_multipath': is_multipath,
             'mr_is_resolve_host': is_resolve_host,
             'mr_is_resolve_attached': is_resolve_attached,
             'mr_next_hop_proto_is_ip4': next_hop_proto_is_ip4,
             'mr_next_hop_weight': next_hop_weight,
             'mr_next_hop': next_hop_address,
             'mr_next_hop_n_out_labels': next_hop_n_out_labels,
             'mr_next_hop_sw_if_index': next_hop_sw_if_index,
             'mr_next_hop_table_id': next_hop_table_id,
             'mr_next_hop_via_label': next_hop_via_label,
             'mr_next_hop_out_label_stack': next_hop_out_label_stack})

    def mpls_ip_bind_unbind(
            self,
            label,
            dst_address,
            dst_address_length,
            table_id=0,
            ip_table_id=0,
            is_ip4=1,
            create_vrf_if_needed=0,
            is_bind=1):
        """
        """
        return self.api(
            self.papi.mpls_ip_bind_unbind,
            {'mb_mpls_table_id': table_id,
             'mb_label': label,
             'mb_ip_table_id': ip_table_id,
             'mb_create_table_if_needed': create_vrf_if_needed,
             'mb_is_bind': is_bind,
             'mb_is_ip4': is_ip4,
             'mb_address_length': dst_address_length,
             'mb_address': dst_address})

    def mpls_tunnel_add_del(
            self,
            tun_sw_if_index,
            next_hop_proto_is_ip4,
            next_hop_address,
            next_hop_sw_if_index=0xFFFFFFFF,
            next_hop_table_id=0,
            next_hop_weight=1,
            next_hop_n_out_labels=0,
            next_hop_out_label_stack=[],
            next_hop_via_label=MPLS_LABEL_INVALID,
            create_vrf_if_needed=0,
            is_add=1,
            l2_only=0):
        """

        :param dst_address_length:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param dst_address:
        :param next_hop_address:
        :param next_hop_sw_if_index:  (Default value = 0xFFFFFFFF)
        :param vrf_id:  (Default value = 0)
        :param lookup_in_vrf:  (Default value = 0)
        :param classify_table_index:  (Default value = 0xFFFFFFFF)
        :param create_vrf_if_needed:  (Default value = 0)
        :param is_add:  (Default value = 1)
        :param is_drop:  (Default value = 0)
        :param is_ipv6:  (Default value = 0)
        :param is_local:  (Default value = 0)
        :param is_classify:  (Default value = 0)
        :param is_multipath:  (Default value = 0)
        :param is_resolve_host:  (Default value = 0)
        :param is_resolve_attached:  (Default value = 0)
        :param not_last:  (Default value = 0)
        :param next_hop_weight:  (Default value = 1)

        """
        return self.api(
            self.papi.mpls_tunnel_add_del,
            {'mt_sw_if_index': tun_sw_if_index,
             'mt_is_add': is_add,
             'mt_l2_only': l2_only,
             'mt_next_hop_proto_is_ip4': next_hop_proto_is_ip4,
             'mt_next_hop_weight': next_hop_weight,
             'mt_next_hop': next_hop_address,
             'mt_next_hop_n_out_labels': next_hop_n_out_labels,
             'mt_next_hop_sw_if_index': next_hop_sw_if_index,
             'mt_next_hop_table_id': next_hop_table_id,
             'mt_next_hop_out_label_stack': next_hop_out_label_stack})

    def snat_interface_add_del_feature(
            self,
            sw_if_index,
            is_inside=1,
            is_add=1):
        """Enable/disable S-NAT feature on the interface

        :param sw_if_index: Software index of the interface
        :param is_inside: 1 if inside, 0 if outside (Default value = 1)
        :param is_add: 1 if add, 0 if delete (Default value = 1)
        """
        return self.api(
            self.papi.snat_interface_add_del_feature,
            {'is_add': is_add,
             'is_inside': is_inside,
             'sw_if_index': sw_if_index})

    def snat_add_static_mapping(
            self,
            local_ip,
            external_ip=0,
            external_sw_if_index=0xFFFFFFFF,
            local_port=0,
            external_port=0,
            addr_only=1,
            vrf_id=0,
            is_add=1,
            is_ip4=1):
        """Add/delete S-NAT static mapping

        :param local_ip: Local IP address
        :param external_ip: External IP address
        :param external_sw_if_index: External interface instead of IP address
        :param local_port: Local port number (Default value = 0)
        :param external_port: External port number (Default value = 0)
        :param addr_only: 1 if address only mapping, 0 if address and port
        :param vrf_id: VRF ID
        :param is_add: 1 if add, 0 if delete (Default value = 1)
        :param is_ip4: 1 if address type is IPv4 (Default value = 1)
        """
        return self.api(
            self.papi.snat_add_static_mapping,
            {'is_add': is_add,
             'is_ip4': is_ip4,
             'addr_only': addr_only,
             'local_ip_address': local_ip,
             'external_ip_address': external_ip,
             'local_port': local_port,
             'external_port': external_port,
             'external_sw_if_index': external_sw_if_index,
             'vrf_id': vrf_id})

    def snat_add_address_range(
            self,
            first_ip_address,
            last_ip_address,
            is_add=1,
            is_ip4=1):
        """Add/del S-NAT address range

        :param first_ip_address: First IP address
        :param last_ip_address: Last IP address
        :param is_add: 1 if add, 0 if delete (Default value = 1)
        :param is_ip4: 1 if address type is IPv4 (Default value = 1)
        """
        return self.api(
            self.papi.snat_add_address_range,
            {'is_ip4': is_ip4,
             'first_ip_address': first_ip_address,
             'last_ip_address': last_ip_address,
             'is_add': is_add})

    def snat_address_dump(self):
        """Dump S-NAT addresses
        :return: Dictionary of S-NAT addresses
        """
        return self.api(self.papi.snat_address_dump, {})

    def snat_interface_dump(self):
        """Dump interfaces with S-NAT feature
        :return: Dictionary of interfaces with S-NAT feature
        """
        return self.api(self.papi.snat_interface_dump, {})

    def snat_static_mapping_dump(self):
        """Dump S-NAT static mappings
        :return: Dictionary of S-NAT static mappings
        """
        return self.api(self.papi.snat_static_mapping_dump, {})

    def snat_show_config(self):
        """Show S-NAT config
        :return: S-NAT config parameters
        """
        return self.api(self.papi.snat_show_config, {})

    def snat_add_interface_addr(
            self,
            sw_if_index,
            is_add=1):
        """Add/del S-NAT address from interface

        :param sw_if_index: Software index of the interface
        :param is_add: 1 if add, 0 if delete (Default value = 1)
        """
        return self.api(self.papi.snat_add_del_interface_addr,
                        {'is_add': is_add, 'sw_if_index': sw_if_index})

    def snat_interface_addr_dump(self):
        """Dump S-NAT addresses interfaces
        :return: Dictionary of S-NAT addresses interfaces
        """
        return self.api(self.papi.snat_interface_addr_dump, {})

    def snat_ipfix(
            self,
            domain_id=1,
            src_port=4739,
            enable=1):
        """Enable/disable S-NAT IPFIX logging

        :param domain_id: Observation domain ID (Default value = 1)
        :param src_port: Source port number (Default value = 4739)
        :param enable: 1 if enable, 0 if disable (Default value = 1)
        """
        return self.api(
            self.papi.snat_ipfix_enable_disable,
            {'domain_id': domain_id,
             'src_port': src_port,
             'enable': enable})

    def control_ping(self):
        self.api(self.papi.control_ping)

    def bfd_udp_add(self, sw_if_index, desired_min_tx, required_min_rx,
                    detect_mult, local_addr, peer_addr, is_ipv6=0):
        return self.api(self.papi.bfd_udp_add,
                        {
                            'sw_if_index': sw_if_index,
                            'desired_min_tx': desired_min_tx,
                            'required_min_rx': required_min_rx,
                            'local_addr': local_addr,
                            'peer_addr': peer_addr,
                            'is_ipv6': is_ipv6,
                            'detect_mult': detect_mult,
                        })

    def bfd_udp_del(self, sw_if_index, local_addr, peer_addr, is_ipv6=0):
        return self.api(self.papi.bfd_udp_del,
                        {
                            'sw_if_index': sw_if_index,
                            'local_addr': local_addr,
                            'peer_addr': peer_addr,
                            'is_ipv6': is_ipv6,
                        })

    def bfd_udp_session_dump(self):
        return self.api(self.papi.bfd_udp_session_dump, {})

    def bfd_session_set_flags(self, bs_idx, admin_up_down):
        return self.api(self.papi.bfd_session_set_flags, {
            'bs_index': bs_idx,
            'admin_up_down': admin_up_down,
        })

    def want_bfd_events(self, enable_disable=1):
        return self.api(self.papi.want_bfd_events, {
            'enable_disable': enable_disable,
            'pid': os.getpid(),
        })

    def classify_add_del_table(
            self,
            is_add,
            mask,
            match_n_vectors=1,
            table_index=0xFFFFFFFF,
            nbuckets=2,
            memory_size=2097152,
            skip_n_vectors=0,
            next_table_index=0xFFFFFFFF,
            miss_next_index=0xFFFFFFFF,
            current_data_flag=0,
            current_data_offset=0):
        """
        :param is_add:
        :param mask:
        :param match_n_vectors: (Default value = 1)
        :param table_index: (Default value = 0xFFFFFFFF)
        :param nbuckets:  (Default value = 2)
        :param memory_size:  (Default value = 2097152)
        :param skip_n_vectors:  (Default value = 0)
        :param next_table_index:  (Default value = 0xFFFFFFFF)
        :param miss_next_index:  (Default value = 0xFFFFFFFF)
        :param current_data_flag:  (Default value = 0)
        :param current_data_offset:  (Default value = 0)
        """

        return self.api(
            self.papi.classify_add_del_table,
            {'is_add': is_add,
             'table_index': table_index,
             'nbuckets': nbuckets,
             'memory_size': memory_size,
             'skip_n_vectors': skip_n_vectors,
             'match_n_vectors': match_n_vectors,
             'next_table_index': next_table_index,
             'miss_next_index': miss_next_index,
             'current_data_flag': current_data_flag,
             'current_data_offset': current_data_offset,
             'mask': mask})

    def classify_add_del_session(
            self,
            is_add,
            table_index,
            match,
            opaque_index=0xFFFFFFFF,
            hit_next_index=0xFFFFFFFF,
            advance=0,
            action=0,
            metadata=0):
        """
        :param is_add:
        :param table_index:
        :param match:
        :param opaque_index:  (Default value = 0xFFFFFFFF)
        :param hit_next_index:  (Default value = 0xFFFFFFFF)
        :param advance:  (Default value = 0)
        :param action:  (Default value = 0)
        :param metadata:  (Default value = 0)
        """

        return self.api(
            self.papi.classify_add_del_session,
            {'is_add': is_add,
             'table_index': table_index,
             'hit_next_index': hit_next_index,
             'opaque_index': opaque_index,
             'advance': advance,
             'action': action,
             'metadata': metadata,
             'match': match})

    def input_acl_set_interface(
            self,
            is_add,
            sw_if_index,
            ip4_table_index=0xFFFFFFFF,
            ip6_table_index=0xFFFFFFFF,
            l2_table_index=0xFFFFFFFF):
        """
        :param is_add:
        :param sw_if_index:
        :param ip4_table_index:  (Default value = 0xFFFFFFFF)
        :param ip6_table_index:  (Default value = 0xFFFFFFFF)
        :param l2_table_index:  (Default value = 0xFFFFFFFF)
        """

        return self.api(
            self.papi.input_acl_set_interface,
            {'sw_if_index': sw_if_index,
             'ip4_table_index': ip4_table_index,
             'ip6_table_index': ip6_table_index,
             'l2_table_index': l2_table_index,
             'is_add': is_add})

    def set_ipfix_exporter(
            self,
            collector_address,
            src_address,
            path_mtu,
            template_interval,
            vrf_id=0,
            collector_port=4739,
            udp_checksum=0):
        return self.api(
            self.papi.set_ipfix_exporter,
            {
                'collector_address': collector_address,
                'collector_port': collector_port,
                'src_address': src_address,
                'vrf_id': vrf_id,
                'path_mtu': path_mtu,
                'template_interval': template_interval,
                'udp_checksum': udp_checksum,
            })

    def dhcp_proxy_config(self,
                          dhcp_server,
                          dhcp_src_address,
                          rx_table_id=0,
                          server_table_id=0,
                          is_add=1,
                          is_ipv6=0,
                          insert_circuit_id=0):
        return self.api(
            self.papi.dhcp_proxy_config_2,
            {
                'rx_vrf_id': rx_table_id,
                'server_vrf_id': server_table_id,
                'is_ipv6': is_ipv6,
                'is_add': is_add,
                'insert_circuit_id': insert_circuit_id,
                'dhcp_server': dhcp_server,
                'dhcp_src_address': dhcp_src_address,
            })

    def dhcp_proxy_set_vss(self,
                           table_id,
                           fib_id,
                           oui,
                           is_add=1,
                           is_ip6=0):
        return self.api(
            self.papi.dhcp_proxy_set_vss,
            {
                'tbl_id': table_id,
                'fib_id': fib_id,
                'is_ipv6': is_ip6,
                'is_add': is_add,
                'oui': oui,
            })

    def ip_mroute_add_del(self,
                          src_address,
                          grp_address,
                          grp_address_length,
                          e_flags,
                          next_hop_sw_if_index,
                          i_flags,
                          table_id=0,
                          create_vrf_if_needed=0,
                          is_add=1,
                          is_ipv6=0,
                          is_local=0):
        """
        """
        return self.api(
            self.papi.ip_mroute_add_del,
            {'next_hop_sw_if_index': next_hop_sw_if_index,
             'entry_flags': e_flags,
             'itf_flags': i_flags,
             'create_vrf_if_needed': create_vrf_if_needed,
             'is_add': is_add,
             'is_ipv6': is_ipv6,
             'is_local': is_local,
             'grp_address_length': grp_address_length,
             'grp_address': grp_address,
             'src_address': src_address})

    def mfib_signal_dump(self):
        return self.api(self.papi.mfib_signal_dump, {})