Mikio Hara
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
#include <config.h>
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#include "flow.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "openflow/openflow.h"
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#include "timeval.h"
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#include "ofpbuf.h"
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#include "ofp-print.h"
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#include "pcap.h"
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#include "util.h"
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#include "vlog.h"
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#undef NDEBUG
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#include <assert.h>
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int
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main(int argc UNUSED, char *argv[])
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{
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struct ofp_match expected_match;
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FILE *flows, *pcap;
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int retval;
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int n = 0, errors = 0;
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set_program_name(argv[0]);
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time_init();
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vlog_init();
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flows = stdin;
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pcap = fdopen(3, "rb");
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if (!pcap) {
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ofp_fatal(errno, "failed to open fd 3 for reading");
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}
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retval = pcap_read_header(pcap);
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if (retval) {
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ofp_fatal(retval > 0 ? retval : 0, "reading pcap header failed");
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}
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while (fread(&expected_match, sizeof expected_match, 1, flows)) {
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struct ofpbuf *packet;
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struct ofp_match extracted_match;
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struct flow flow;
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n++;
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retval = pcap_read(pcap, &packet);
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if (retval == EOF) {
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ofp_fatal(0, "unexpected end of file reading pcap file");
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} else if (retval) {
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ofp_fatal(retval, "error reading pcap file");
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}
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flow_extract(packet, 0, &flow);
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flow_fill_match(&extracted_match, &flow, 0);
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if (memcmp(&expected_match, &extracted_match, sizeof expected_match)) {
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char *exp_s = ofp_match_to_string(&expected_match, 2);
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char *got_s = ofp_match_to_string(&extracted_match, 2);
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errors++;
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printf("mismatch on packet #%d (1-based).\n", n);
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printf("Packet:\n");
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ofp_print_packet(stdout, packet->data, packet->size, packet->size);
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printf("Expected flow:\n%s\n", exp_s);
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printf("Actually extracted flow:\n%s\n", got_s);
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printf("\n");
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free(exp_s);
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free(got_s);
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}
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ofpbuf_delete(packet);
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}
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printf("checked %d packets, %d errors\n", n, errors);
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return errors != 0;
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}
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