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
  19 #include <stdio.h>
  20
  21 #include "dynamic-string.h"
  22 #include "flow.h"
  23 #include "match.h"
  24 #include "odp-util.h"
  25 #include "ofp-parse.h"
  26 #include "ofpbuf.h"
  27 #include "util.h"
  28 #include "vlog.h"
  29 #include "ovstest.h"
  30
  31 static int
  32 parse_keys(bool wc_keys)
  33 {
  34     int exit_code = 0;
  35     struct ds in;
  36
  37     ds_init(&in);
  38     vlog_set_levels_from_string_assert("odp_util:console:dbg");
  39     while (!ds_get_test_line(&in, stdin)) {
  40         enum odp_key_fitness fitness;
  41         struct ofpbuf odp_key;
  42         struct ofpbuf odp_mask;
  43         struct flow flow;
  44         struct ds out;
  45         int error;
  46
  47         /* Convert string to OVS DP key. */
  48         ofpbuf_init(&odp_key, 0);
  49         ofpbuf_init(&odp_mask, 0);
  50         error = odp_flow_from_string(ds_cstr(&in), NULL,
  51                                      &odp_key, &odp_mask);
  52         if (error) {
  53             printf("odp_flow_from_string: error\n");
  54             goto next;
  55         }
  56
  57         if (!wc_keys) {
  58             /* Convert odp_key to flow. */
  59             fitness = odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), &flow);
  60             switch (fitness) {
  61                 case ODP_FIT_PERFECT:
  62                     break;
  63
  64                 case ODP_FIT_TOO_LITTLE:
  65                     printf("ODP_FIT_TOO_LITTLE: ");
  66                     break;
  67
  68                 case ODP_FIT_TOO_MUCH:
  69                     printf("ODP_FIT_TOO_MUCH: ");
  70                     break;
  71
  72                 case ODP_FIT_ERROR:
  73                     printf("odp_flow_key_to_flow: error\n");
  74                     goto next;
  75             }
  76             /* Convert cls_rule back to odp_key. */
  77             ofpbuf_uninit(&odp_key);
  78             ofpbuf_init(&odp_key, 0);
  79             odp_flow_key_from_flow(&odp_key, &flow, NULL,
  80                                    flow.in_port.odp_port);
  81
  82             if (ofpbuf_size(&odp_key) > ODPUTIL_FLOW_KEY_BYTES) {
  83                 printf ("too long: %"PRIu32" > %d\n",
  84                         ofpbuf_size(&odp_key), ODPUTIL_FLOW_KEY_BYTES);
  85                 exit_code = 1;
  86             }
  87         }
  88
  89         /* Convert odp_key to string. */
  90         ds_init(&out);
  91         if (wc_keys) {
  92             odp_flow_format(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
  93                             ofpbuf_data(&odp_mask), ofpbuf_size(&odp_mask), NULL, &out, false);
  94         } else {
  95             odp_flow_key_format(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), &out);
  96         }
  97         puts(ds_cstr(&out));
  98         ds_destroy(&out);
  99
 100     next:
 101         ofpbuf_uninit(&odp_key);
 102     }
 103     ds_destroy(&in);
 104
 105     return exit_code;
 106 }
 107
 108 static int
 109 parse_actions(void)
 110 {
 111     struct ds in;
 112
 113     ds_init(&in);
 114     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 115     while (!ds_get_test_line(&in, stdin)) {
 116         struct ofpbuf odp_actions;
 117         struct ds out;
 118         int error;
 119
 120         /* Convert string to OVS DP actions. */
 121         ofpbuf_init(&odp_actions, 0);
 122         error = odp_actions_from_string(ds_cstr(&in), NULL, &odp_actions);
 123         if (error) {
 124             printf("odp_actions_from_string: error\n");
 125             goto next;
 126         }
 127
 128         /* Convert odp_actions back to string. */
 129         ds_init(&out);
 130         format_odp_actions(&out, ofpbuf_data(&odp_actions), ofpbuf_size(&odp_actions));
 131         puts(ds_cstr(&out));
 132         ds_destroy(&out);
 133
 134     next:
 135         ofpbuf_uninit(&odp_actions);
 136     }
 137     ds_destroy(&in);
 138
 139     return 0;
 140 }
 141
 142 static int
 143 parse_filter(char *filter_parse)
 144 {
 145     struct ds in;
 146     struct flow flow_filter;
 147     struct flow_wildcards wc_filter;
 148     char *error, *filter = NULL;
 149
 150     vlog_set_levels_from_string_assert("odp_util:console:dbg");
 151     if (filter_parse && !strncmp(filter_parse, "filter=", 7)) {
 152         filter = strdup(filter_parse+7);
 153         memset(&flow_filter, 0, sizeof(flow_filter));
 154         memset(&wc_filter, 0, sizeof(wc_filter));
 155
 156         error = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks, filter,
 157                                      NULL);
 158         if (error) {
 159             ovs_fatal(0, "Failed to parse filter (%s)", error);
 160         }
 161     } else {
 162         ovs_fatal(0, "No filter to parse.");
 163     }
 164
 165     ds_init(&in);
 166     while (!ds_get_test_line(&in, stdin)) {
 167         struct ofpbuf odp_key;
 168         struct ofpbuf odp_mask;
 169         struct ds out;
 170         int error;
 171
 172         /* Convert string to OVS DP key. */
 173         ofpbuf_init(&odp_key, 0);
 174         ofpbuf_init(&odp_mask, 0);
 175         error = odp_flow_from_string(ds_cstr(&in), NULL,
 176                                      &odp_key, &odp_mask);
 177         if (error) {
 178             printf("odp_flow_from_string: error\n");
 179             goto next;
 180         }
 181
 182         if (filter) {
 183             struct flow flow;
 184             struct flow_wildcards wc;
 185             struct match match, match_filter;
 186             struct minimatch minimatch;
 187
 188             odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), &flow);
 189             odp_flow_key_to_mask(ofpbuf_data(&odp_mask), ofpbuf_size(&odp_mask), &wc.masks,
 190                                  &flow);
 191             match_init(&match, &flow, &wc);
 192
 193             match_init(&match_filter, &flow_filter, &wc);
 194             match_init(&match_filter, &match_filter.flow, &wc_filter);
 195             minimatch_init(&minimatch, &match_filter);
 196
 197             if (!minimatch_matches_flow(&minimatch, &match.flow)) {
 198                 minimatch_destroy(&minimatch);
 199                 goto next;
 200             }
 201             minimatch_destroy(&minimatch);
 202         }
 203         /* Convert odp_key to string. */
 204         ds_init(&out);
 205         odp_flow_format(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
 206                         ofpbuf_data(&odp_mask), ofpbuf_size(&odp_mask), NULL, &out, false);
 207         puts(ds_cstr(&out));
 208         ds_destroy(&out);
 209
 210     next:
 211         ofpbuf_uninit(&odp_key);
 212         ofpbuf_uninit(&odp_mask);
 213     }
 214     ds_destroy(&in);
 215
 216     free(filter);
 217     return 0;
 218 }
 219
 220 static void
 221 test_odp_main(int argc, char *argv[])
 222 {
 223     int exit_code = 0;
 224
 225     set_program_name(argv[0]);
 226     if (argc == 2 &&!strcmp(argv[1], "parse-keys")) {
 227         exit_code =parse_keys(false);
 228     } else if (argc == 2 &&!strcmp(argv[1], "parse-wc-keys")) {
 229         exit_code =parse_keys(true);
 230     } else if (argc == 2 && !strcmp(argv[1], "parse-actions")) {
 231         exit_code = parse_actions();
 232     } else if (argc == 3 && !strcmp(argv[1], "parse-filter")) {
 233         exit_code =parse_filter(argv[2]);
 234     } else {
 235         ovs_fatal(0, "usage: %s parse-keys | parse-wc-keys | parse-actions", argv[0]);
 236     }
 237
 238     exit(exit_code);
 239 }
 240
 241 OVSTEST_REGISTER("test-odp", test_odp_main);