tests/test-odp.c

   1 /*
   2  * Copyright (c) 2011, 2012, 2013, 2014, 2019 Nicira, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <config.h>
  18 #undef NDEBUG
  19 #include "odp-util.h"
  20 #include <stdio.h>
  21 #include "openvswitch/dynamic-string.h"
  22 #include "flow.h"
  23 #include "openvswitch/match.h"
  24 #include "openvswitch/ofpbuf.h"
  25 #include "ovstest.h"
  26 #include "util.h"
  27 #include "openvswitch/ofp-flow.h"
  28 #include "openvswitch/vlog.h"
  29
  30 static int
  31 parse_keys(bool wc_keys)
  32 {
  33     int exit_code = 0;
  34     struct ds in;
  35
  36     ds_init(&in);
  37     vlog_set_levels_from_string_assert("odp_util:console:dbg");
  38     while (!ds_get_test_line(&in, stdin)) {
  39         enum odp_key_fitness fitness;
  40         struct ofpbuf odp_key;
  41         struct ofpbuf odp_mask;
  42         struct flow flow;
  43         struct ds out;
  44         int error;
  45
  46         /* Convert string to OVS DP key. */
  47         ofpbuf_init(&odp_key, 0);
  48         ofpbuf_init(&odp_mask, 0);
  49         char *error_s;
  50         error = odp_flow_from_string(ds_cstr(&in), NULL,
  51                                      &odp_key, &odp_mask, &error_s);
  52         if (error) {
  53             printf("odp_flow_from_string: error (%s)\n", error_s);
  54             free(error_s);
  55             goto next;
  56         }
  57
  58         if (!wc_keys) {
  59             struct odp_flow_key_parms odp_parms = {
  60                 .flow = &flow,
  61                 .support = {
  62                     .recirc = true,
  63                     .ct_state = true,
  64                     .ct_zone = true,
  65                     .ct_mark = true,
  66                     .ct_label = true,
  67                     .max_vlan_headers = SIZE_MAX,
  68                     .nd_ext = true,
  69                 },
  70             };
  71
  72             /* Convert odp_key to flow. */
  73             fitness = odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow,
  74                                            &error_s);
  75             switch (fitness) {
  76                 case ODP_FIT_PERFECT:
  77                     break;
  78
  79                 case ODP_FIT_TOO_LITTLE:
  80                     printf("ODP_FIT_TOO_LITTLE: ");
  81                     break;
  82
  83                 case ODP_FIT_TOO_MUCH:
  84                     printf("ODP_FIT_TOO_MUCH: ");
  85                     break;
  86
  87                 case ODP_FIT_ERROR:
  88                     printf("odp_flow_key_to_flow: error (%s)\n", error_s);
  89                     free(error_s);
  90                     goto next;
  91             }
  92             /* Convert cls_rule back to odp_key. */
  93             ofpbuf_uninit(&odp_key);
  94             ofpbuf_init(&odp_key, 0);
  95             odp_flow_key_from_flow(&odp_parms, &odp_key);
  96
  97             if (odp_key.size > ODPUTIL_FLOW_KEY_BYTES) {
  98                 printf ("too long: %"PRIu32" > %d\n",
  99                         odp_key.size, ODPUTIL_FLOW_KEY_BYTES);
 100                 exit_code = 1;
 101             }
 102         }
 103
 104         /* Convert odp_key to string. */
 105         ds_init(&out);
 106         if (wc_keys) {
 107             odp_flow_format(odp_key.data, odp_key.size,
 108                             odp_mask.data, odp_mask.size, NULL, &out, false);
 109         } else {
 110             odp_flow_key_format(odp_key.data, odp_key.size, &out);
 111         }
 112         puts(ds_cstr(&out));
 113         ds_destroy(&out);
 114
 115     next:
 116         ofpbuf_uninit(&odp_key);
 117         ofpbuf_uninit(&odp_mask);
 118     }
 119     ds_destroy(&in);
 120
 121     return exit_code;
 122 }
 123
 124 static int
 125 parse_actions(void)
 126 {
 127     struct ds in;
 128
 129     ds_init(&in);
 130     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 131     while (!ds_get_test_line(&in, stdin)) {
 132         struct ofpbuf odp_actions;
 133         struct ds out;
 134         int error;
 135
 136         /* Convert string to OVS DP actions. */
 137         ofpbuf_init(&odp_actions, 0);
 138         error = odp_actions_from_string(ds_cstr(&in), NULL, &odp_actions);
 139         if (error) {
 140             printf("odp_actions_from_string: error\n");
 141             goto next;
 142         }
 143
 144         /* Convert odp_actions back to string. */
 145         ds_init(&out);
 146         format_odp_actions(&out, odp_actions.data, odp_actions.size, NULL);
 147         puts(ds_cstr(&out));
 148         ds_destroy(&out);
 149
 150     next:
 151         ofpbuf_uninit(&odp_actions);
 152     }
 153     ds_destroy(&in);
 154
 155     return 0;
 156 }
 157
 158 static int
 159 parse_filter(char *filter_parse)
 160 {
 161     struct ds in;
 162     struct flow flow_filter;
 163     struct flow_wildcards wc_filter;
 164     char *error, *filter = NULL;
 165
 166     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 167     if (filter_parse && !strncmp(filter_parse, "filter=", 7)) {
 168         filter = xstrdup(filter_parse + 7);
 169         memset(&flow_filter, 0, sizeof(flow_filter));
 170         memset(&wc_filter, 0, sizeof(wc_filter));
 171
 172         error = parse_ofp_exact_flow(&flow_filter, &wc_filter, NULL, filter,
 173                                      NULL);
 174         if (error) {
 175             ovs_fatal(0, "Failed to parse filter (%s)", error);
 176         }
 177     } else {
 178         ovs_fatal(0, "No filter to parse.");
 179     }
 180
 181     ds_init(&in);
 182     while (!ds_get_test_line(&in, stdin)) {
 183         struct ofpbuf odp_key;
 184         struct ofpbuf odp_mask;
 185         struct ds out;
 186
 187         /* Convert string to OVS DP key. */
 188         ofpbuf_init(&odp_key, 0);
 189         ofpbuf_init(&odp_mask, 0);
 190         char *error_s;
 191         if (odp_flow_from_string(ds_cstr(&in), NULL, &odp_key, &odp_mask,
 192                                  &error_s)) {
 193             printf("odp_flow_from_string: error (%s)\n", error_s);
 194             free(error_s);
 195             goto next;
 196         }
 197
 198         if (filter) {
 199             struct flow flow;
 200             struct flow_wildcards wc;
 201             struct match match, match_filter;
 202             struct minimatch minimatch;
 203
 204             odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow, NULL);
 205             odp_flow_key_to_mask(odp_mask.data, odp_mask.size, &wc, &flow,
 206                                  NULL);
 207             match_init(&match, &flow, &wc);
 208
 209             match_init(&match_filter, &flow_filter, &wc);
 210             match_init(&match_filter, &match_filter.flow, &wc_filter);
 211             minimatch_init(&minimatch, &match_filter);
 212
 213             if (!minimatch_matches_flow(&minimatch, &match.flow)) {
 214                 minimatch_destroy(&minimatch);
 215                 goto next;
 216             }
 217             minimatch_destroy(&minimatch);
 218         }
 219         /* Convert odp_key to string. */
 220         ds_init(&out);
 221         odp_flow_format(odp_key.data, odp_key.size,
 222                         odp_mask.data, odp_mask.size, NULL, &out, false);
 223         puts(ds_cstr(&out));
 224         ds_destroy(&out);
 225
 226     next:
 227         ofpbuf_uninit(&odp_key);
 228         ofpbuf_uninit(&odp_mask);
 229     }
 230     ds_destroy(&in);
 231
 232     free(filter);
 233     return 0;
 234 }
 235
 236 static void
 237 test_odp_main(int argc, char *argv[])
 238 {
 239     int exit_code = 0;
 240
 241     set_program_name(argv[0]);
 242     if (argc == 2 &&!strcmp(argv[1], "parse-keys")) {
 243         exit_code =parse_keys(false);
 244     } else if (argc == 2 &&!strcmp(argv[1], "parse-wc-keys")) {
 245         exit_code =parse_keys(true);
 246     } else if (argc == 2 && !strcmp(argv[1], "parse-actions")) {
 247         exit_code = parse_actions();
 248     } else if (argc == 3 && !strcmp(argv[1], "parse-filter")) {
 249         exit_code =parse_filter(argv[2]);
 250     } else {
 251         ovs_fatal(0, "usage: %s parse-keys | parse-wc-keys | parse-actions", argv[0]);
 252     }
 253
 254     exit(exit_code);
 255 }
 256
 257 OVSTEST_REGISTER("test-odp", test_odp_main);