tests/test-odp.c

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