RelativeResourceManager5 - c lient.c R outine to send...

/*
*******************************************************************************
*
* client.c --
* Routine to send datagram packets to a server
* default port is 2000 and default server is spock
*
*******************************************************************************
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/select.h>
#define HOST "spock.ee.iastate.edu"
#define PORT 2000
struct
sockaddr_in sock_in, temp, from_addr;
int
from_len;
extern int
errno;
main(argc, argv)
int
argc;
char
**argv;
{
struct
timeval timeout;
register int
n;
u_short len;
char
*cp;
int
i, retry, resplen, done = 0 ;
int
dsmask, flags, sockFD;
char
buf[ 100 ],answer[ 4048 ];
struct
hostent *h_name;
struct
servent *s_name;
char
hostname[ 100 ];
int
numTimeOuts = 0 ;
sockFD = - 1 ;
opterr = 0 ;
strcpy(hostname, HOST);
while
((i = getopt(argc, argv, "pft" )) != - 1 )
{
switch
(i)
{
case
't' :
// this is a test flag to show how the flags work
// this will print out the parms
printf( "%s\n" , argv[optind]);
break
;
case
'p' :
// add code for the p flag set
break
;
case
'h' :
// copy parm to host name
strcpy(hostname, argv[optind]);
break
;

case
'?' :
default
:
done = 1 ;
break
;
}
if
(done)
break
;
}