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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/application.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/bits.h>
#include "../../lib/syserr.h"
#include "../../gtp/gtpie.h"
static const uint8_t in[] = { 1,2,3,4,5,6 };
static uint8_t buf[256];
static int rc;
static void test_gtpie_tlv()
{
unsigned int len = 0;
printf("Testing gtpie_tlv()\n");
/* normal / successful case */
memset(buf, 0, sizeof(buf));
rc = gtpie_tlv(buf, &len, sizeof(buf), 23, sizeof(in), in);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == sizeof(in) + 3);
OSMO_ASSERT(buf[0] == 23);
OSMO_ASSERT(osmo_load16be(&buf[1]) == sizeof(in));
OSMO_ASSERT(!memcmp(buf+3, in, sizeof(in)));
/* overflow */
memset(buf, 0, sizeof(buf));
rc = gtpie_tlv(buf, &len, 4, 23, sizeof(in), in);
OSMO_ASSERT(rc == 1);
}
static void test_gtpie_tv0()
{
unsigned int len = 0;
printf("Testing gtpie_tv0()\n");
memset(buf, 0, sizeof(buf));
rc = gtpie_tv0(buf, &len, sizeof(buf), 42, sizeof(in), in);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == sizeof(in) + 1);
}
static void test_gtpie_tv1()
{
unsigned int len = 0;
printf("Testing gtpie_tv1()\n");
memset(buf, 0, sizeof(buf));
rc = gtpie_tv1(buf, &len, sizeof(buf), 42, 0xAD);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == 2);
OSMO_ASSERT(buf[0] == 42);
OSMO_ASSERT(buf[1] == 0xAD);
}
static void test_gtpie_tv2()
{
unsigned int len = 0;
printf("Testing gtpie_tv2()\n");
memset(buf, 0, sizeof(buf));
rc = gtpie_tv2(buf, &len, sizeof(buf), 42, 0xABCD);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == 3);
OSMO_ASSERT(buf[0] == 42);
OSMO_ASSERT(osmo_load16be(&buf[1]) == 0xABCD);
}
static void test_gtpie_tv4()
{
unsigned int len = 0;
printf("Testing gtpie_tv4()\n");
memset(buf, 0, sizeof(buf));
rc = gtpie_tv4(buf, &len, sizeof(buf), 42, 0xABCD0123);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == 5);
OSMO_ASSERT(buf[0] == 42);
OSMO_ASSERT(osmo_load32be(&buf[1]) == 0xABCD0123);
}
static void test_gtpie_tv8()
{
unsigned int len = 0;
printf("Testing gtpie_tv8()\n");
memset(buf, 0, sizeof(buf));
rc = gtpie_tv8(buf, &len, sizeof(buf), 42, 0x0001020304050607ULL);
OSMO_ASSERT(rc == 0);
OSMO_ASSERT(len == 9);
OSMO_ASSERT(buf[0] == 42);
OSMO_ASSERT(osmo_load32be(&buf[1]) == 0x00010203);
OSMO_ASSERT(osmo_load32be(&buf[5]) == 0x04050607);
}
int main(int argc, char **argv)
{
osmo_init_logging(&log_info);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_filename(osmo_stderr_target, 0);
srand(time(NULL));
test_gtpie_tlv();
test_gtpie_tv0();
test_gtpie_tv1();
test_gtpie_tv2();
test_gtpie_tv4();
test_gtpie_tv8();
/* TODO: gtpie_decaps() */
/* TODO: gtpie_encaps() */
/* TODO: gtpie_encaps2() */
/* TODO: gtpie_getie(), gtpie_exist(), gtpie_get*() */
return 0;
}
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