static error_t parse_opt(int key, char *arg, struct argp_state *state)
{
struct args *args = state->input;
long l;
switch (key) {
case 's':
l = arg_to_long(state, arg);
if (l <= 0)
argp_error(state,
"NUM must be greater than zero");
args->start_at = l - 1;
break;
case 'e':
l = arg_to_long(state, arg);
if (l <= 0)
argp_error(state,
"NUM must be greater than zero");
args->end_at = l - 1;
break;
case 'p':
args->show_progress = !!arg_to_long(state, arg);
break;
case ARGP_KEY_INIT:
args->dev_path = NULL;
break;
case ARGP_KEY_ARG:
if (args->dev_path)
argp_error(state,
"Wrong number of arguments; only one is allowed");
args->dev_path = arg;
break;
case ARGP_KEY_END:
if (!args->dev_path)
argp_error(state,
"The disk path was not specified");
if (args->start_at > args->end_at)
argp_error(state,
"Option --start-at must be less or equal to option --end-at");
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static error_t parse_opt(int key, char *arg, struct argp_state *state)
{
struct args *args = state->input;
switch (key) {
case 's':
args->stack = arg;
if (strcmp(arg, "ip") && strcmp(arg, "xia"))
argp_error(state,
"Stack must be either 'ip', or 'xia'");
break;
case 'r':
args->add_rules = 1;
assert(!arg);
break;
case 'e':
args->ebtables = arg;
break;
case 't':
args->sleep = arg_to_long(state, arg);
if (args->sleep < 1)
argp_error(state, "Sleep period must be >= 1");
break;
case 'p':
args->parents = 1;
assert(!arg);
break;
case 'd':
args->daemon = 1;
assert(!arg);
break;
case 'f':
args->file = arg;
break;
case ARGP_KEY_INIT:
break;
case ARGP_KEY_ARG:
if (!if_nametoindex(arg))
argp_error(state, "Invalid interface `%s'", arg);
make_space(args);
args->ifs[args->count++] = arg;
break;
case ARGP_KEY_END:
if (args->add_rules && args->count < 1)
argp_error(state, "There must be at least one "
"inteface to add");
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static error_t parse_opt(int key, char *arg, struct argp_state *state)
{
struct args *args = state->input;
switch (key) {
case 'p':
args->prefix_filename = arg;
break;
case 'x':
args->prefix_limit = arg_to_long(state, arg);
if (args->prefix_limit < 1)
argp_error(state, "Prefix limit must be >= 1");
break;
case 'z': {
char *end;
args->s = strtod(arg, &end);
if (!*arg || *end)
argp_error(state, "'%s' is not a float", arg);
if (args->s < 0 || args->s == NAN || args->s == INFINITY)
argp_error(state,"Zipf must be >= 0");
break;
}
case 's':
args->stack = arg;
if (strcmp(arg, "ip") && strcmp(arg, "xia"))
argp_error(state,
"Stack must be either 'ip', or 'xia'");
break;
case 'i':
args->ifname = arg;
break;
case 'm':
args->dst_mac_len = lladdr_pton(arg, args->dst_mac,
sizeof(args->dst_mac));
if (args->dst_mac_len < 1)
argp_error(state,
"'%s' is not a valid Ethernet address", arg);
break;
case 't':
args->dst_addr_type = arg;
if (strcmp(arg, "ip") && strcmp(arg, "fb0") &&
strcmp(arg, "fb1") && strcmp(arg, "fb2") &&
strcmp(arg, "fb3") && strcmp(arg, "via"))
argp_error(state, "'%s' is not a valid type", arg);
break;
case 'l':
args->packet_len = arg_to_long(state, arg);
if (args->packet_len < 1)
argp_error(state, "Packet lenght must be >= 1");
break;
case 'n':
args->nnodes = arg_to_long(state, arg);
if (args->nnodes < 2)
argp_error(state, "Number of nodes must be >= 2");
break;
case 'd':
args->node_id = arg_to_long(state, arg);
if (args->node_id < 1)
argp_error(state, "Node ID must be >= 1");
break;
case 'r':
args->run = arg_to_long(state, arg);
if (args->run < 1)
argp_error(state,"Run must be >= 1");
break;
case 'v':
args->interactive = 1;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
