tests/test-odp.c

   1 /*
   2  * Copyright (c) 2011, 2012, 2013, 2014 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-parse.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         error = odp_flow_from_string(ds_cstr(&in), NULL,
  50                                      &odp_key, &odp_mask);
  51         if (error) {
  52             printf("odp_flow_from_string: error\n");
  53             goto next;
  54         }
  55
  56         if (!wc_keys) {
  57             struct odp_flow_key_parms odp_parms = {
  58                 .flow = &flow,
  59                 .support = {
  60                     .recirc = true,
  61                     .ct_state = true,
  62                     .ct_zone = true,
  63                     .ct_mark = true,
  64                     .ct_label = true,
  65                 },
  66             };
  67
  68             /* Convert odp_key to flow. */
  69             fitness = odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow);
  70             switch (fitness) {
  71                 case ODP_FIT_PERFECT:
  72                     break;
  73
  74                 case ODP_FIT_TOO_LITTLE:
  75                     printf("ODP_FIT_TOO_LITTLE: ");
  76                     break;
  77
  78                 case ODP_FIT_TOO_MUCH:
  79                     printf("ODP_FIT_TOO_MUCH: ");
  80                     break;
  81
  82                 case ODP_FIT_ERROR:
  83                     printf("odp_flow_key_to_flow: error\n");
  84                     goto next;
  85             }
  86             /* Convert cls_rule back to odp_key. */
  87             ofpbuf_uninit(&odp_key);
  88             ofpbuf_init(&odp_key, 0);
  89             odp_flow_key_from_flow(&odp_parms, &odp_key);
  90
  91             if (odp_key.size > ODPUTIL_FLOW_KEY_BYTES) {
  92                 printf ("too long: %"PRIu32" > %d\n",
  93                         odp_key.size, ODPUTIL_FLOW_KEY_BYTES);
  94                 exit_code = 1;
  95             }
  96         }
  97
  98         /* Convert odp_key to string. */
  99         ds_init(&out);
 100         if (wc_keys) {
 101             odp_flow_format(odp_key.data, odp_key.size,
 102                             odp_mask.data, odp_mask.size, NULL, &out, false);
 103         } else {
 104             odp_flow_key_format(odp_key.data, odp_key.size, &out);
 105         }
 106         puts(ds_cstr(&out));
 107         ds_destroy(&out);
 108
 109     next:
 110         ofpbuf_uninit(&odp_key);
 111         ofpbuf_uninit(&odp_mask);
 112     }
 113     ds_destroy(&in);
 114
 115     return exit_code;
 116 }
 117
 118 static int
 119 parse_actions(void)
 120 {
 121     struct ds in;
 122
 123     ds_init(&in);
 124     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 125     while (!ds_get_test_line(&in, stdin)) {
 126         struct ofpbuf odp_actions;
 127         struct ds out;
 128         int error;
 129
 130         /* Convert string to OVS DP actions. */
 131         ofpbuf_init(&odp_actions, 0);
 132         error = odp_actions_from_string(ds_cstr(&in), NULL, &odp_actions);
 133         if (error) {
 134             printf("odp_actions_from_string: error\n");
 135             goto next;
 136         }
 137
 138         /* Convert odp_actions back to string. */
 139         ds_init(&out);
 140         format_odp_actions(&out, odp_actions.data, odp_actions.size);
 141         puts(ds_cstr(&out));
 142         ds_destroy(&out);
 143
 144     next:
 145         ofpbuf_uninit(&odp_actions);
 146     }
 147     ds_destroy(&in);
 148
 149     return 0;
 150 }
 151
 152 static int
 153 parse_filter(char *filter_parse)
 154 {
 155     struct ds in;
 156     struct flow flow_filter;
 157     struct flow_wildcards wc_filter;
 158     char *error, *filter = NULL;
 159
 160     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 161     if (filter_parse && !strncmp(filter_parse, "filter=", 7)) {
 162         filter = xstrdup(filter_parse + 7);
 163         memset(&flow_filter, 0, sizeof(flow_filter));
 164         memset(&wc_filter, 0, sizeof(wc_filter));
 165
 166         error = parse_ofp_exact_flow(&flow_filter, &wc_filter, NULL, filter,
 167                                      NULL);
 168         if (error) {
 169             ovs_fatal(0, "Failed to parse filter (%s)", error);
 170         }
 171     } else {
 172         ovs_fatal(0, "No filter to parse.");
 173     }
 174
 175     ds_init(&in);
 176     while (!ds_get_test_line(&in, stdin)) {
 177         struct ofpbuf odp_key;
 178         struct ofpbuf odp_mask;
 179         struct ds out;
 180         int error;
 181
 182         /* Convert string to OVS DP key. */
 183         ofpbuf_init(&odp_key, 0);
 184         ofpbuf_init(&odp_mask, 0);
 185         error = odp_flow_from_string(ds_cstr(&in), NULL,
 186                                      &odp_key, &odp_mask);
 187         if (error) {
 188             printf("odp_flow_from_string: error\n");
 189             goto next;
 190         }
 191
 192         if (filter) {
 193             struct flow flow;
 194             struct flow_wildcards wc;
 195             struct match match, match_filter;
 196             struct minimatch minimatch;
 197
 198             odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow);
 199             odp_flow_key_to_mask(odp_mask.data, odp_mask.size, &wc, &flow);
 200             match_init(&match, &flow, &wc);
 201
 202             match_init(&match_filter, &flow_filter, &wc);
 203             match_init(&match_filter, &match_filter.flow, &wc_filter);
 204             minimatch_init(&minimatch, &match_filter);
 205
 206             if (!minimatch_matches_flow(&minimatch, &match.flow)) {
 207                 minimatch_destroy(&minimatch);
 208                 goto next;
 209             }
 210             minimatch_destroy(&minimatch);
 211         }
 212         /* Convert odp_key to string. */
 213         ds_init(&out);
 214         odp_flow_format(odp_key.data, odp_key.size,
 215                         odp_mask.data, odp_mask.size, NULL, &out, false);
 216         puts(ds_cstr(&out));
 217         ds_destroy(&out);
 218
 219     next:
 220         ofpbuf_uninit(&odp_key);
 221         ofpbuf_uninit(&odp_mask);
 222     }
 223     ds_destroy(&in);
 224
 225     free(filter);
 226     return 0;
 227 }
 228
 229 static void
 230 test_odp_main(int argc, char *argv[])
 231 {
 232     int exit_code = 0;
 233
 234     set_program_name(argv[0]);
 235     if (argc == 2 &&!strcmp(argv[1], "parse-keys")) {
 236         exit_code =parse_keys(false);
 237     } else if (argc == 2 &&!strcmp(argv[1], "parse-wc-keys")) {
 238         exit_code =parse_keys(true);
 239     } else if (argc == 2 && !strcmp(argv[1], "parse-actions")) {
 240         exit_code = parse_actions();
 241     } else if (argc == 3 && !strcmp(argv[1], "parse-filter")) {
 242         exit_code =parse_filter(argv[2]);
 243     } else {
 244         ovs_fatal(0, "usage: %s parse-keys | parse-wc-keys | parse-actions", argv[0]);
 245     }
 246
 247     exit(exit_code);
 248 }
 249
 250 OVSTEST_REGISTER("test-odp", test_odp_main);