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RelativeResourceManager5

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

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