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