UB-E02 Technical Reference Guide
4.7.8 Programming Sample
4.7.8.1 For Windows Console
/* UDP3289 programming sample for win32
*HOW TO BUILD
*cc wudp.cpp wsock32.lib
*/
#include <stdio.h> #include <winsock.h>
#define MAXBUF 512 char buf[MAXBUF];
int main(int argc, char* argv[])
{
WSADATA data; SOCKET sock;
struct sockaddr_in addr; int i, len, fromlen;
if (argc != 2) {
printf("usage: wudp <IP address>\n"); exit(1);
}
/* initialize windows socket */ WSAStartup(0x0101, &data);
/* Create socket */
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) { fprintf(stderr, "Error socket(): %d\n", WSAGetLastError());
exit(1);
}
/* initialize the parameter */ memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = htons(3289); addr.sin_addr.s_addr = inet_addr(argv[1]);
/* make a packet (PRINTER STATUS) */
buf[0] | = 'E'; |
buf[1] | = 'P'; |
buf[2] | = 'S'; |
buf[3] | = 'O'; |
buf[4] | = 'N'; |
buf[5] | = 'Q'; // PacketType(Q) |
buf[6] | = 0x03; // DeviceType(3) |
buf[7] | = 0x00; // DeviceNumber(0) |
buf[8] | = 0x00; // Function(0010h) |
buf[9] | = 0x10; |
buf[10] = 0x00; // Result
Rev. A |
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