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/*
* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "flow.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "classifier.h"
#include "openflow/openflow.h"
#include "timeval.h"
#include "ofpbuf.h"
#include "ofp-print.h"
#include "ofp-util.h"
#include "pcap-file.h"
#include "util.h"
#include "vlog.h"
#undef NDEBUG
#include <assert.h>
int
main(int argc OVS_UNUSED, char *argv[])
{
struct ofp10_match expected_match;
FILE *flows, *pcap;
int retval;
int n = 0, errors = 0;
set_program_name(argv[0]);
flows = stdin;
pcap = fdopen(3, "rb");
if (!pcap) {
ovs_fatal(errno, "failed to open fd 3 for reading");
}
retval = pcap_read_header(pcap);
if (retval) {
ovs_fatal(retval > 0 ? retval : 0, "reading pcap header failed");
}
while (fread(&expected_match, sizeof expected_match, 1, flows)) {
struct ofpbuf *packet;
struct ofp10_match extracted_match;
struct match match;
struct flow flow;
union flow_in_port in_port_;
n++;
retval = pcap_read(pcap, &packet);
if (retval == EOF) {
ovs_fatal(0, "unexpected end of file reading pcap file");
} else if (retval) {
ovs_fatal(retval, "error reading pcap file");
}
in_port_.ofp_port = u16_to_ofp(1);
flow_extract(packet, 0, 0, NULL, &in_port_, &flow);
match_wc_init(&match, &flow);
ofputil_match_to_ofp10_match(&match, &extracted_match);
if (memcmp(&expected_match, &extracted_match, sizeof expected_match)) {
char *exp_s = ofp10_match_to_string(&expected_match, 2);
char *got_s = ofp10_match_to_string(&extracted_match, 2);
errors++;
printf("mismatch on packet #%d (1-based).\n", n);
printf("Packet:\n");
ofp_print_packet(stdout, packet->data, packet->size);
ovs_hex_dump(stdout, packet->data, packet->size, 0, true);
match_print(&match);
printf("Expected flow:\n%s\n", exp_s);
printf("Actually extracted flow:\n%s\n", got_s);
ovs_hex_dump(stdout, &expected_match, sizeof expected_match, 0, false);
ovs_hex_dump(stdout, &extracted_match, sizeof extracted_match, 0, false);
printf("\n");
free(exp_s);
free(got_s);
}
ofpbuf_delete(packet);
}
printf("checked %d packets, %d errors\n", n, errors);
return errors != 0;
}
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