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