int run_tests() {
int i, j;
int success = 0, total = 0;
for (i = 0; i < (sizeof(test_cases) / sizeof(test_cases[0])); i++) {
uint8_t nxt_hdr;
uint8_t result[512];
uint8_t *rv;
struct udp_hdr *udp = (struct udp_hdr *)result;
total++;
rv = unpack_udp(result, &nxt_hdr, test_cases[i].pack);
if (test_cases[i].pack_len != rv - test_cases[i].pack) {
printf("ERROR: wrong unpack length: %li %p %p\n",
(rv - test_cases[i].pack), test_cases[i].pack, rv);
continue;
}
if (test_cases[i].result.srcport != udp->srcport) {
printf("ERROR: wrong srcport\n");
continue;
}
if (test_cases[i].result.dstport != udp->dstport) {
printf("ERROR: wrong dstport\n");
continue;
}
if (test_cases[i].result.len != udp->len) {
printf("ERROR: wrong length\n");
continue;
}
if (test_cases[i].result.chksum != udp->chksum) {
printf("ERROR: wrong chksum: 0x%x 0x%x\n", test_cases[i].result.chksum, udp->chksum);
continue;
}
success++;
}
printf("%s: %i/%i tests succeeded\n", __FILE__, success, total);
if (success == total) return 0;
return 1;
}
int _tmain(int argc, _TCHAR* argv[])
{
struct sockaddr_in si_me, si_other;
int s, slen=sizeof(si_other);
char buf[BUFLEN];
// int num;
// int i;
g_btmid = 0;
g_cur_init_pulse = 0;
g_cur_report_pulse = 0;
//版本协商
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD( 1, 1 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) {
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
return -1;
}
/* Confirm that the WinSock DLL supports 2.2.*/
/* Note that if the DLL supports versions greater */
/* than 2.2 in addition to 2.2, it will still return */
/* 2.2 in wVersion since that is the version we */
/* requested. */
if ( LOBYTE( wsaData.wVersion ) != 1 ||
HIBYTE( wsaData.wVersion ) != 1)
{
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
WSACleanup( );
return -1;
}
if ((s=socket(AF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("socket");
return -1;
}
bzero((char *) &si_me, sizeof(si_me));
si_me.sin_family = AF_INET;
si_me.sin_port = htons(SERVER_PORT);
si_me.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(s, (sockaddr *)&si_me, sizeof(si_me))==-1)
{
perror("bind");
return -1;
}
printf("program start...\n");
//for (i=0; i<NPACK; i++)
while(1)
{
if (recvfrom(s, (char *)udp_recv_buf, sizeof(udp_recv_buf), 0, (sockaddr *)&si_other, &slen)==-1)
{
perror("recvfrom()");
return -1;
}
printf("Received packet from %s:%d\nDatanum: %d\n\n",
inet_ntoa(si_other.sin_addr), ntohs(si_other.sin_port), buf);
unpack_udp();
show_recv();
load_udp_data();
pack_udp();
if (sendto(s, (char *)udp_send_buf, sizeof(udp_send_buf), 0, (sockaddr *)&si_other, slen) == -1)
{
perror("sendto()");
return -1;
}
}
closesocket(s);
WSACleanup();
return 0;
}