ovs-vswitchd: Get rid of call to process_init().
[sliver-openvswitch.git] / tests / test-flows.c
1 /*
2  * Copyright (c) 2009, 2010, 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 #include "flow.h"
19 #include <errno.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include "classifier.h"
23 #include "openflow/openflow.h"
24 #include "timeval.h"
25 #include "ofpbuf.h"
26 #include "ofp-print.h"
27 #include "ofp-util.h"
28 #include "pcap-file.h"
29 #include "util.h"
30 #include "vlog.h"
31
32 #undef NDEBUG
33 #include <assert.h>
34
35 int
36 main(int argc OVS_UNUSED, char *argv[])
37 {
38     struct ofp10_match expected_match;
39     FILE *flows, *pcap;
40     int retval;
41     int n = 0, errors = 0;
42
43     set_program_name(argv[0]);
44
45     flows = stdin;
46     pcap = fdopen(3, "rb");
47     if (!pcap) {
48         ovs_fatal(errno, "failed to open fd 3 for reading");
49     }
50
51     retval = ovs_pcap_read_header(pcap);
52     if (retval) {
53         ovs_fatal(retval > 0 ? retval : 0, "reading pcap header failed");
54     }
55
56     while (fread(&expected_match, sizeof expected_match, 1, flows)) {
57         struct ofpbuf *packet;
58         struct ofp10_match extracted_match;
59         struct match match;
60         struct flow flow;
61         union flow_in_port in_port_;
62         n++;
63
64         retval = ovs_pcap_read(pcap, &packet, NULL);
65         if (retval == EOF) {
66             ovs_fatal(0, "unexpected end of file reading pcap file");
67         } else if (retval) {
68             ovs_fatal(retval, "error reading pcap file");
69         }
70
71         in_port_.ofp_port = u16_to_ofp(1);
72         flow_extract(packet, 0, 0, NULL, &in_port_, &flow);
73         match_wc_init(&match, &flow);
74         ofputil_match_to_ofp10_match(&match, &extracted_match);
75
76         if (memcmp(&expected_match, &extracted_match, sizeof expected_match)) {
77             char *exp_s = ofp10_match_to_string(&expected_match, 2);
78             char *got_s = ofp10_match_to_string(&extracted_match, 2);
79             errors++;
80             printf("mismatch on packet #%d (1-based).\n", n);
81             printf("Packet:\n");
82             ofp_print_packet(stdout, packet->data, packet->size);
83             ovs_hex_dump(stdout, packet->data, packet->size, 0, true);
84             match_print(&match);
85             printf("Expected flow:\n%s\n", exp_s);
86             printf("Actually extracted flow:\n%s\n", got_s);
87             ovs_hex_dump(stdout, &expected_match, sizeof expected_match, 0, false);
88             ovs_hex_dump(stdout, &extracted_match, sizeof extracted_match, 0, false);
89             printf("\n");
90             free(exp_s);
91             free(got_s);
92         }
93
94         ofpbuf_delete(packet);
95     }
96     printf("checked %d packets, %d errors\n", n, errors);
97     return errors != 0;
98 }
99