int main(int argc, char **argv)
{
DskPattern *pattern;
DskError *error = NULL;
dsk_cmdline_init ("grep-like tool",
"Implement 'grep' using DskPattern",
"PATTERN [FILES...]",
DSK_CMDLINE_PERMIT_ARGUMENTS);
dsk_cmdline_process_args (&argc, &argv);
if (argc < 2)
dsk_die ("missing pattern");
DskPatternEntry entry = { argv[1], "nonnull" };
pattern = dsk_pattern_compile (1, &entry, &error);
if (pattern == NULL)
dsk_die ("error compiling pattern: %s", error->message);
unsigned buffer_size = isatty (STDOUT_FILENO) ? 0 : 8192;
if (argc == 2)
handle_fd (pattern, NULL, buffer_size, 0);
else
{
int i;
for (i = 2; i < argc; i++)
{
int fd = open (argv[i], O_RDONLY);
if (fd < 0)
dsk_die ("error opening %s: %s", argv[i], strerror (errno));
handle_fd (pattern, argc == 3 ? NULL : argv[i], buffer_size, fd);
close (fd);
}
}
return 0;
}
int
main(int argc, char **argv)
{
struct timeval start, end;
int port=0;
char *addr=NULL;
int msg_size = 0;
int fd=-1, i, newfd;
int sec, usec;
int number_iterations=0;
socklen_t len;
struct sockaddr_in sin;
struct sockaddr_in from;
while((i= getopt(argc,argv,"h:p:v?")) != EOF) {
switch (i) {
case 'v':
verbose = 1;
break;
case 'h':
addr = optarg;
break;
case 'p':
port = strtol(optarg, NULL, 0);
break;
case '?':
default:
printf ("Use %s -h host -p port -i iterations -s msg_size \n",
argv[0]);
return (-1);
};
}
if (port == 0) {
printf ("Use %s -p port [-h host] \n",
argv[0]);
return (-1);
}
if(addr) {
if (inet_pton(AF_INET, addr, (void *)&sin.sin_addr.s_addr) != 1) {
printf("Address not parseable\n");
return(-1);
}
} else {
sin.sin_addr.s_addr = INADDR_ANY;
}
sin.sin_port = ntohs(port);
sin.sin_family = AF_INET;
sin.sin_len = sizeof(struct sockaddr_in);
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
if( fd == -1) {
printf("Can't open socket %d\n", errno);
return(-1);
}
errno = 0;
if(init_fd(&sin, fd)) {
printf("Can't init fd errno:%d\n", errno);
return (-1);
}
len = sizeof(from);
handle_fd(fd);
return (0);
}
