LeCroy LSA1000, Operator'S Manual

Page: 77 / 115

B – 4
Appendix B
int result, bytes_more, bytes_xferd;
char *idxPtr;
if (sConnectedFlag != TRUE)
return -1;
if (len < CMD_BUF_LEN)
strcpy(sCommandBuffer, buf);
// set the header info
header.bEOI_Flag = DATA_FLAG;
header.bEOI_Flag |= (eoi_flag)? EOI_FLAG:0;
header.reserved[0] = 1;
header.reserved[1] = 0;
header.reserved[2] = 0;
header.iLength = htonl(len);
// write the header first
if (send(hSocket, (char *) &header, sizeof(TCP_HEADER), 0) != sizeof(TCP_HEADER))
{
MessageBox(0, "Unable to send header info to the server.", "ERROR", MB_OK);
return -1;
}
bytes_more = len;
idxPtr = buf;
bytes_xferd = 0;
while (1)
{
// then write the rest of the block
idxPtr = buf + bytes_xferd;
if ((result = send(hSocket, (char *) idxPtr, bytes_more, 0)) < 0)
{
MessageBox(0, "Unable to send data to the server.", "ERROR",
MB_OK);
return -1;
}
bytes= result;
bytes_more -= result;
if (bytes_more <= 0)
break;
}
return 0;
}