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#include <config.h>
#include "flow.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "openflow/openflow.h"
#include "timeval.h"
#include "ofpbuf.h"
#include "ofp-print.h"
#include "pcap.h"
#include "util.h"
#include "vlog.h"
#undef NDEBUG
#include <assert.h>
int
main(int argc UNUSED, char *argv[])
{
struct ofp_match expected_match;
FILE *flows, *pcap;
int retval;
int n = 0, errors = 0;
set_program_name(argv[0]);
time_init();
vlog_init();
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 ofp_match extracted_match;
flow_t flow;
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");
}
flow_extract(packet, 1, &flow);
flow_to_match(&flow, 0, &extracted_match);
if (memcmp(&expected_match, &extracted_match, sizeof expected_match)) {
char *exp_s = ofp_match_to_string(&expected_match, 2);
char *got_s = ofp_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, packet->size);
printf("Expected flow:\n%s\n", exp_s);
printf("Actually extracted flow:\n%s\n", got_s);
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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