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#include <dnswire/reader.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "print_dnstap.c"
int main(int argc, const char* argv[])
{
if (argc < 3) {
return 1;
}
FILE* fp = fopen(argv[1], "r");
if (!fp) {
return 1;
}
int rbuf_len = atoi(argv[2]);
struct dnswire_reader reader;
if (dnswire_reader_init(&reader) != dnswire_ok) {
return 1;
}
dnswire_reader_allow_bidirectional(&reader, false);
size_t have = 0, at = 0;
uint8_t rbuf[rbuf_len];
int done = 0;
enum dnswire_result res = dnswire_need_more;
while (!done) {
switch (res) {
case dnswire_have_dnstap:
print_dnstap(dnswire_reader_dnstap(reader));
// fallthrough
case dnswire_again:
res = dnswire_reader_push(&reader, &rbuf[at], have, 0, 0);
have -= dnswire_reader_pushed(reader);
at += dnswire_reader_pushed(reader);
break;
case dnswire_need_more:
if (!have) {
have = fread(rbuf, 1, sizeof(rbuf), fp);
printf("read %zu\n", have);
at = 0;
}
res = dnswire_reader_push(&reader, &rbuf[at], have, 0, 0);
have -= dnswire_reader_pushed(reader);
at += dnswire_reader_pushed(reader);
break;
case dnswire_endofdata:
done = 1;
break;
default:
fprintf(stderr, "dnswire_reader_push() error\n");
return 1;
}
}
dnswire_reader_destroy(reader);
fclose(fp);
return 0;
}
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