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#include <dnswire/writer.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "create_dnstap.c"
int main(int argc, const char* argv[])
{
if (argc < 2) {
return 1;
}
FILE* fp = fopen(argv[1], "w");
if (!fp) {
return 1;
}
struct dnswire_writer writer;
if (dnswire_writer_init(&writer) != dnswire_ok) {
return 1;
}
uint8_t buf[4096];
struct dnstap d = DNSTAP_INITIALIZER;
create_dnstap(&d, "writer_pop-1");
dnswire_writer_set_dnstap(writer, &d);
while (1) {
if (dnswire_writer_popped(writer)) {
if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
fprintf(stderr, "fwrite() failed\n");
return 1;
}
}
enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
switch (res) {
case dnswire_ok:
break;
case dnswire_again:
case dnswire_need_more:
continue;
default:
fprintf(stderr, "dnswire_writer_pop() error\n");
return 1;
}
break;
}
create_dnstap(&d, "writer_pop-2");
while (1) {
if (dnswire_writer_popped(writer)) {
if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
fprintf(stderr, "fwrite() failed\n");
return 1;
}
}
enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
switch (res) {
case dnswire_ok:
break;
case dnswire_again:
case dnswire_need_more:
continue;
default:
fprintf(stderr, "dnswire_writer_pop() error\n");
return 1;
}
break;
}
if (dnswire_writer_stop(&writer) != dnswire_ok) {
fprintf(stderr, "dnswire_writer_stop() failed\n");
return 1;
}
while (1) {
if (dnswire_writer_popped(writer)) {
if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
fprintf(stderr, "fwrite() failed\n");
return 1;
}
}
enum dnswire_result res = dnswire_writer_pop(&writer, buf, sizeof(buf), 0, 0);
switch (res) {
case dnswire_ok:
case dnswire_endofdata:
break;
case dnswire_again:
case dnswire_need_more:
continue;
default:
fprintf(stderr, "dnswire_reader_add() error\n");
return 1;
}
break;
}
if (dnswire_writer_popped(writer)) {
if (fwrite(buf, 1, dnswire_writer_popped(writer), fp) != dnswire_writer_popped(writer)) {
fprintf(stderr, "fwrite() failed\n");
return 1;
}
}
dnswire_writer_destroy(writer);
fclose(fp);
return 0;
}
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