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_parms.odp_in_port = flow.in_port.odp_port;
  90             odp_flow_key_from_flow(&odp_parms, &odp_key);
  91
  92             if (odp_key.size > ODPUTIL_FLOW_KEY_BYTES) {
  93                 printf ("too long: %"PRIu32" > %d\n",
  94                         odp_key.size, ODPUTIL_FLOW_KEY_BYTES);
  95                 exit_code = 1;
  96             }
  97         }
  98
  99         /* Convert odp_key to string. */
 100         ds_init(&out);
 101         if (wc_keys) {
 102             odp_flow_format(odp_key.data, odp_key.size,
 103                             odp_mask.data, odp_mask.size, NULL, &out, false);
 104         } else {
 105             odp_flow_key_format(odp_key.data, odp_key.size, &out);
 106         }
 107         puts(ds_cstr(&out));
 108         ds_destroy(&out);
 109
 110     next:
 111         ofpbuf_uninit(&odp_key);
 112         ofpbuf_uninit(&odp_mask);
 113     }
 114     ds_destroy(&in);
 115
 116     return exit_code;
 117 }
 118
 119 static int
 120 parse_actions(void)
 121 {
 122     struct ds in;
 123
 124     ds_init(&in);
 125     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 126     while (!ds_get_test_line(&in, stdin)) {
 127         struct ofpbuf odp_actions;
 128         struct ds out;
 129         int error;
 130
 131         /* Convert string to OVS DP actions. */
 132         ofpbuf_init(&odp_actions, 0);
 133         error = odp_actions_from_string(ds_cstr(&in), NULL, &odp_actions);
 134         if (error) {
 135             printf("odp_actions_from_string: error\n");
 136             goto next;
 137         }
 138
 139         /* Convert odp_actions back to string. */
 140         ds_init(&out);
 141         format_odp_actions(&out, odp_actions.data, odp_actions.size);
 142         puts(ds_cstr(&out));
 143         ds_destroy(&out);
 144
 145     next:
 146         ofpbuf_uninit(&odp_actions);
 147     }
 148     ds_destroy(&in);
 149
 150     return 0;
 151 }
 152
 153 static int
 154 parse_filter(char *filter_parse)
 155 {
 156     struct ds in;
 157     struct flow flow_filter;
 158     struct flow_wildcards wc_filter;
 159     char *error, *filter = NULL;
 160
 161     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 162     if (filter_parse && !strncmp(filter_parse, "filter=", 7)) {
 163         filter = xstrdup(filter_parse + 7);
 164         memset(&flow_filter, 0, sizeof(flow_filter));
 165         memset(&wc_filter, 0, sizeof(wc_filter));
 166
 167         error = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks, filter,
 168                                      NULL);
 169         if (error) {
 170             ovs_fatal(0, "Failed to parse filter (%s)", error);
 171         }
 172     } else {
 173         ovs_fatal(0, "No filter to parse.");
 174     }
 175
 176     ds_init(&in);
 177     while (!ds_get_test_line(&in, stdin)) {
 178         struct ofpbuf odp_key;
 179         struct ofpbuf odp_mask;
 180         struct ds out;
 181         int error;
 182
 183         /* Convert string to OVS DP key. */
 184         ofpbuf_init(&odp_key, 0);
 185         ofpbuf_init(&odp_mask, 0);
 186         error = odp_flow_from_string(ds_cstr(&in), NULL,
 187                                      &odp_key, &odp_mask);
 188         if (error) {
 189             printf("odp_flow_from_string: error\n");
 190             goto next;
 191         }
 192
 193         if (filter) {
 194             struct flow flow;
 195             struct flow_wildcards wc;
 196             struct match match, match_filter;
 197             struct minimatch minimatch;
 198
 199             odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow);
 200             odp_flow_key_to_mask(odp_mask.data, odp_mask.size, odp_key.data,
 201                                  odp_key.size, &wc, &flow);
 202             match_init(&match, &flow, &wc);
 203
 204             match_init(&match_filter, &flow_filter, &wc);
 205             match_init(&match_filter, &match_filter.flow, &wc_filter);
 206             minimatch_init(&minimatch, &match_filter);
 207
 208             if (!minimatch_matches_flow(&minimatch, &match.flow)) {
 209                 minimatch_destroy(&minimatch);
 210                 goto next;
 211             }
 212             minimatch_destroy(&minimatch);
 213         }
 214         /* Convert odp_key to string. */
 215         ds_init(&out);
 216         odp_flow_format(odp_key.data, odp_key.size,
 217                         odp_mask.data, odp_mask.size, NULL, &out, false);
 218         puts(ds_cstr(&out));
 219         ds_destroy(&out);
 220
 221     next:
 222         ofpbuf_uninit(&odp_key);
 223         ofpbuf_uninit(&odp_mask);
 224     }
 225     ds_destroy(&in);
 226
 227     free(filter);
 228     return 0;
 229 }
 230
 231 static void
 232 test_odp_main(int argc, char *argv[])
 233 {
 234     int exit_code = 0;
 235
 236     set_program_name(argv[0]);
 237     if (argc == 2 &&!strcmp(argv[1], "parse-keys")) {
 238         exit_code =parse_keys(false);
 239     } else if (argc == 2 &&!strcmp(argv[1], "parse-wc-keys")) {
 240         exit_code =parse_keys(true);
 241     } else if (argc == 2 && !strcmp(argv[1], "parse-actions")) {
 242         exit_code = parse_actions();
 243     } else if (argc == 3 && !strcmp(argv[1], "parse-filter")) {
 244         exit_code =parse_filter(argv[2]);
 245     } else {
 246         ovs_fatal(0, "usage: %s parse-keys | parse-wc-keys | parse-actions", argv[0]);
 247     }
 248
 249     exit(exit_code);
 250 }
 251
 252 OVSTEST_REGISTER("test-odp", test_odp_main);