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Microsoft Windows NT Build 511 (SDK Final Release) 07-24-1993
/****************************************************************************\
* cmdline.c -- sample program library demonstrating NWLink.
*
* Microsoft Developer Support
* Copyright (c) 1992, 1993 Microsoft Corporation
*
* Demonstrates basic sockets programming with the Windows Sockets API
* using the NWLink transport.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <winsock.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include "externs.h"
#include <wsipx.h>
#include "testlib.h"
/*
* Global variables that can be set on the command line
*/
int verbose = 0;
int Socket_Type = SOCK_DGRAM;
int Protocol = NSPROTO_IPX;
int Backlog = 1;
int No_Broadcast = 0;
int No_Loop = 0;
int Sleep_Time = 250;
int Send_Length = 1024;
int Receive_Length = 1024;
int Local_Packet_Type = 0;
int Send_Packet_Type = 9;
int Filter_Packet_Type = 0;
int Local_Address_Family = AF_NS;
int Remote_Address_Family = AF_NS;
char Local_Network_Number[4] = {0x00, 0x00, 0x00, 0x00};
char Local_Node_Number[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
char Local_Socket_Number[2] = {0x00, 0x00};
char Remote_Network_Number[4] = {0x00, 0x00, 0x00, 0x00};
char Remote_Node_Number[6] = "\xFF\xFF\xFF\xFF\xFF\xFF";
char Remote_Socket_Number[2] = {0x12, 0x34};
/*
* Function prototypes for this file
*/
void usage(LPSTR);
void dump_defaults(LPSTR);
void get_hex_string(LPSTR, LPSTR, int);
UCHAR get_hex_byte(char);
/****************************************************************************
*
* FUNCTION: parse_cmd_line( int argc, char **argv )
*
* DESCRIPTION: Routine used by all of the WinSock test programs for NWLink.
* Parses the command line and sets the respective global variables.
*
* ARGUMENTS: char ** => array of command line arguments
* int number of command line arguments
*
* RETURNS: nothing
*
*\***************************************************************************/
void parse_cmd_line(int argc, char **argv)
{
LPSTR p;
int num = 1;
argc--;
/*
* Parse each command line parameter
*/
while (num <= argc) {
/*
* If option starts with '-' or '/', skip it
*/
p = strupr(argv[num++]);
if (*p == '-' || *p == '/')
p++;
/*
* Help ?
*/
printf("***> command: %s\n:",p);
if (*p == 'h' || *p == 'H' || *p == '?' || !stricmp(p, "help"))
usage(argv[0]);
/*
* Verbose option?
*/
if (!stricmp(p, "v") || !stricmp(p, "verbose")) {
verbose++;
printf("verbose is ON\n");
continue;
}
/*
* Display default values ?
*/
if (!strnicmp(p, "default", 7)) {
p+= 7;
dump_defaults(argv[0]);
}
/*
* Local address family ?
*/
if (!strnicmp(p, "laf:", 4)) {
p+= 4;
/*
* Get the address family from the option
*/
Local_Address_Family = atoi(p);
if (verbose)
printf("Local_Address_Family = %d\n", Local_Address_Family);
continue;
}
/*
* Remote address family ?
*/
if (!strnicmp(p, "raf:", 4)) {
p+= 4;
/*
* Get the address family from the option
*/
Remote_Address_Family = atoi(p);
if (verbose)
printf("Remote_Address_Family = %d\n", Remote_Address_Family);
continue;
}
/*
* Socket type ?
*/
if (!strnicmp(p, "st:", 3)) {
p+= 3;
/*
* Get the socket type from the option
*/
Socket_Type = atoi(p);
if (verbose)
printf("Socket_Type = %d\n", Socket_Type);
continue;
}
#if(0)
/*
* Socket family ?
*/
if (!strnicmp(p, "sf:", 3)) {
p+= 3;
/*
* Get the socket family from the option
*/
Socket_Family = get_socket_family(p);
continue;
}
#endif
/*
* Protocol ?
*/
if (!strnicmp(p, "proto:", 6)) {
p+= 6;
/*
* Get the protocol from the option
*/
Protocol = atoi(p);
if (verbose)
printf("Protocol = %d\n", Protocol);
continue;
}
/*
* Local network number ?
*/
if (!strnicmp(p, "lnet:", 5)) {
p+= 5;
/*
* Get the local network number from the option
*/
memcpy(Local_Network_Number, get_network_number(p), 4);
if (verbose) {
printf("Local_Network_Number = ");
print_network_num(Local_Network_Number);
printf("\n");
}
continue;
}
/*
* Local node number ?
*/
if (!strnicmp(p, "lnode:", 6)) {
p+= 6;
/*
* Get the local network number from the option
*/
memcpy(Local_Node_Number, get_node_number(p), 6);
if (verbose) {
printf("Local_Node_Number = ");
print_node_num(Local_Node_Number);
printf("\n");
}
continue;
}
/*
* Remote network number ?
*/
if (!strnicmp(p, "rnet:", 5)) {
p+= 5;
/*
* Get the remote network number from the option
*/
memcpy(Remote_Network_Number, get_network_number(p), 4);
if (verbose) {
printf("Remote_Network_Number = ");
print_network_num(Remote_Network_Number);
printf("\n");
}
continue;
}
/*
* Remote node number ?
*/
if (!strnicmp(p, "rnode:", 6)) {
p+= 6;
/*
* Get the remote network number from the option
*/
memcpy(Remote_Node_Number, get_node_number(p), 6);
if (verbose) {
printf("Remote_Node_Number = ");
print_node_num(Remote_Node_Number);
printf("\n");
}
continue;
}
/*
* Local socket number ?
*/
if (!strnicmp(p, "lsock:", 6)) {
p+= 6;
/*
* Get the local socket number from the command line
*/
memcpy(Local_Socket_Number, get_socket_number(p), 2);
if (verbose) {
printf("Local_Socket_Number = ");
print_socket_num(Local_Socket_Number);
printf("\n");
}
continue;
}
/*
* Remote socket number ?
*/
if (!strnicmp(p, "rsock:", 6)) {
p+= 6;
/*
* Get the remote socket number from the command line
*/
memcpy(Remote_Socket_Number, get_socket_number(p), 2);
if (verbose) {
printf("Remote_Socket_Number = ");
print_socket_num(Remote_Socket_Number);
printf("\n");
}
continue;
}
/*
* Send length ?
*/
if (!strnicmp(p, "sendlen:", 8)) {
p+= 8;
/*
* Get the amount of data to send from the command line
*/
Send_Length = atoi(p);
if (verbose)
printf("Send length = %d\n", Send_Length);
continue;
}
/*
* Receive length ?
*/
if (!strnicmp(p, "recvlen:", 8)) {
p+= 8;
/*
* Get the amount of data to send from the command line
*/
Receive_Length = atoi(p);
if (verbose)
printf("Receive length = %d\n", Receive_Length);
continue;
}
/*
* Send packet type ?
*/
if (!strnicmp(p, "sptype:", 7)) {
p+= 7;
/*
* Get the packet type from the command line
*/
Send_Packet_Type = atoi(p);
if (verbose)
printf("Send_Packet_Type = %d\n", Send_Packet_Type);
continue;
}
/*
* Local packet type ?
*/
if (!strnicmp(p, "lptype:", 7)) {
p+= 7;
/*
* Get the packet type from the command line
*/
Local_Packet_Type = atoi(p);
if (verbose)
printf("Send_Packet_Type = %d\n", Send_Packet_Type);
continue;
}
/*
* Filter packet type ?
*/
if (!strnicmp(p, "fptype:", 7)) {
p+= 7;
/*
* Get the packet type from the command line
*/
Filter_Packet_Type = atoi(p);
if (verbose)
printf("Filter_Packet_Type = %d\n", Send_Packet_Type);
continue;
}
/*
* Backlog size ?
*/
if (!strnicmp(p, "backlog:", 8)) {
p+= 8;
Backlog = atoi(p);
if (verbose)
printf("Backlog = %d\n", Backlog);
continue;
}
/*
* No broadcast flag ?
*/
if (!strnicmp(p, "nobcast", 7)) {
p+= 7;
No_Broadcast++;
if (verbose)
printf("No broadcast flag is set\n");
continue;
}
/*
* No loop flag ?
*/
if (!strnicmp(p, "noloop", 6)) {
p+= 6;
No_Loop++;
if (verbose)
printf("No loop flag is set\n");
continue;
}
/*
* Sleep time ?
*/
if (!strnicmp(p, "sleep:", 6)) {
p+= 6;
Sleep_Time = atoi(p);
if (verbose)
printf("Sleep time = %d\n", Sleep_Time);
continue;
}
if (*p)
printf("Unknown command line parameter: %s\n", p);
} /* while */
if (verbose)
printf("\n\n");
}
/****************************************************************************
*
* FUNCTION: usage( LPSTR progname )
*
* PURPOSE: Displays all allowable command line parameters. (All may not be used
* by the program linking to this library, however).
*
* ARGUMENTS: LPSTR => program name
*
* RETURNS: exits with errorlevel 0
*
*\***************************************************************************/
void usage(LPSTR progname)
{
printf("\n\nUsage: %s [options]\n", progname);
printf("\n");
printf("Valid options are:\n");
printf("-v Toggles verbose mode ON\n");
printf("-laf:x Sets local address family to x\n");
printf("-raf:x Sets remote address family to x\n");
printf("-st:x Sets socket type to x\n");
printf("-proto:x Sets protocol to x\n");
printf("-sleep:x Sets sleep time between sends to x milliseconds\n");
printf("-backlog:x Sets listen backlog size to x indications\n");
printf("-nobcast Sets flag so program won't set sockopt to broadcast\n");
printf("-noloop Sets flag so program won't loop\n");
printf("-sptype:x Sets send packet type to x\n");
printf("-lptype:x Sets local packet type to x\n");
printf("-fptype:x Sets filter for incoming packet type x\n");
printf("-sendlen:x Sets amount of data to send to x bytes\n");
printf("-recvlen:x Sets amount of data to receive to x bytes\n");
printf("-lnet:xxxx Sets local network number to xxxx (1)\n");
printf("-lnode:xxxxxx Sets local node number to xxxxxx (1)\n");
printf("-rnet:xxxx Sets remote network number to xxxx (1)\n");
printf("-rnode:xxxxxx Sets remote node number to xxxxxx (1)\n");
printf("-rsock:xx Sets remote socket number to xx (1)\n");
printf("-default Displays programs default values\n");
printf("-?, -help, or -h Displays this screen\n");
printf("\n");
printf("Notes: (1) Network numbers (network, node, and socket) must\n");
printf(" be specified as a series of hexadecimal numbers,\n");
printf(" for example: -lnet:04003BFF. \n");
printf("\n");
printf(" All values must come immediately after the ':'\n");
printf(" -default and/or -v should be first\n");
printf(" Not all programs make use of all the above parameters\n");
exit(0);
}
/****************************************************************************
*
* FUNCTION: dump_defaults( LPSTR progname )
*
* PURPOSE: Prints out the current values of the command line options
*
*
* ARGUMENTS: LPSTR => program name
*
* RETURNS: nothing
*
*\***************************************************************************/
void dump_defaults(LPSTR progname)
{
printf("Default option values for %s:\n\n", progname);
printf("verbose = %d\n", verbose);
printf("socket type = %d\n", Socket_Type);
printf("protocol = %d\n", Protocol);
printf("sleep time = %d\n", Sleep_Time);
printf("backlog = %d\n", Backlog);
printf("nobcast = %d\n", No_Broadcast);
printf("noloop = %d\n", No_Loop);
printf("send length = %d\n", Send_Length);
printf("receive length = %d\n", Receive_Length);
printf("send packet type = %d\n", Send_Packet_Type);
printf("local packet type = %d\n", Local_Packet_Type);
printf("filter packet type = %d\n", Filter_Packet_Type);
printf("local address family = %d\n", Local_Address_Family);
printf("remote address family = %d\n", Remote_Address_Family);
printf("local network number = ");
print_network_num(Local_Network_Number);
printf("\nlocal node number = ");
print_node_num(Local_Node_Number);
printf("\nlocal socket number = ");
print_socket_num(Local_Socket_Number);
printf("\nremote network number = ");
print_network_num(Remote_Network_Number);
printf("\nremote node number = ");
print_node_num(Remote_Node_Number);
printf("\nremote socket number = ");
print_socket_num(Remote_Socket_Number);
printf("\n\n");
}
/****************************************************************************
*
* FUNCTION: get_network_number( LPSTR cmd )
*
* PURPOSE: Reads a network number from the given string
*
*
* ARGUMENTS: LPSTR => string to read from
*
* RETURNS: LPSTR => hex network number
*
*\***************************************************************************/
LPSTR get_network_number(LPSTR cmd)
{
static char hex_num[4];
memset(hex_num, 0, 4);
if (strlen(cmd) != 8) {
printf("Incorrect format for network number.\n");
exit(1);
}
get_hex_string(cmd, hex_num, 4);
return hex_num;
}
/****************************************************************************
*
* FUNCTION: get_node_number( LPSTR cmd )
*
* PURPOSE: Reads a node number from the given string
*
*
* ARGUMENTS: LPSTR => string to read from
*
* RETURNS: LPSTR => hex network number
*
*\***************************************************************************/
LPSTR get_node_number(LPSTR cmd)
{
static char hex_num[6];
memset(hex_num, 0, 6);
if (strlen(cmd) != 12) {
printf("Incorrect format for node number.\n");
exit(1);
}
get_hex_string(cmd, hex_num, 6);
return hex_num;
}
/****************************************************************************
*
* FUNCTION: get_socket_number( LPSTR cmd )
*
* PURPOSE: Reads a socket number from the given string
*
*
* ARGUMENTS: LPSTR => string to read from
*
* RETURNS: LPSTR => hex network number
*
*\***************************************************************************/
LPSTR get_socket_number(LPSTR cmd)
{
static char hex_num[2];
memset(hex_num, 0, 2);
if (strlen(cmd) != 4) {
printf("Incorrect format for socket number.\n");
exit(1);
}
get_hex_string(cmd, hex_num, 2);
return hex_num;
}
/****************************************************************************
*
* FUNCTION: get_hex_string( LPSTR src, LPSTR dest, int num )
*
* PURPOSE: Reads in a character string containing hex digits and converts
* it to a hexadecimal number.
*
* ARGUMENTS: LPSTR => source string
* LPSTR => destination for hex number
* int number of bytes to convert
*
* RETURNS: nothing
*
*\***************************************************************************/
void get_hex_string(LPSTR src, LPSTR dest, int num)
{
LPSTR q = src;
while (num--)
*dest++ = (get_hex_byte(*q++) << 4) + get_hex_byte(*q++);
}
/****************************************************************************
*
* FUNCTION: get_hex_byte( char ch )
*
* PURPOSE: Converts the character passed in to a hexadecimal nibble.
*
* ARGUMENTS: char character to convert
*
* RETURNS: UCHAR hex nibble
*
*\***************************************************************************/
UCHAR get_hex_byte(char ch)
{
if (ch >= '0' && ch <= '9')
return (ch - '0');
if (ch >= 'A' && ch <= 'F')
return ((ch - 'A') + 0x0A);
printf("Illegal character %c in hex string\n", ch);
exit(1);
}
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