static void
parse_args(int argc, char **argv)
{
int c;
while (-1 != (c = getopt(argc, argv, "-d:w")))
{
switch(c)
{
case 'd':
nr_mem_desc ++;
mem_desc_list = realloc(mem_desc_list, nr_mem_desc * sizeof(mem_desc_t));
if (parse_mem_desc(optarg, &mem_desc_list[nr_mem_desc - 1]) == -1)
{
printf("ERROR: invalid memory description: %s\n\n", optarg);
print_help_exit(EXIT_FAILURE);
}
break;
case 'w':
periodical_write = true;
break;
default:
print_help();
exit(EXIT_FAILURE);
}
}
}
static void parse_arg_list(int argc, char *argv[]) {
int i;
for (i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
print_help_exit(argv[0]);
} else if (!strcmp(argv[i], "-a") || !strcmp(argv[i], "--address")) {
if (++i == argc) {
fprintf(stderr, "IP is missing.\n");
print_help_exit(argv[0]);
}
if (strcmp(argv[i], "ANY")) {
server_address = inet_addr(argv[i]);
if (server_address == INADDR_NONE) {
fprintf(stderr, "IP is wrong.\n");
print_help_exit(argv[0]);
}
}
} else if (!strcmp(argv[i], "-p") || !strcmp(argv[i], "--port")) {
if (++i == argc) {
fprintf(stderr, "Port is missing.\n");
print_help_exit(argv[0]);
}
server_port = atoi(argv[i]);
if (server_port < 1024 && server_port != 80) {
fprintf(stderr, "Port is out of valid range(=80 or >1023).\n");
print_help_exit(argv[0]);
}
} else {
fprintf(stderr, "Unknown argument: %s.\n", argv[i]);
print_help_exit(argv[0]);
}
}
}
int
main(int argc, char **argv)
{
int i;
parse_args(argc, argv);
if (nr_mem_desc == 0)
{
print_help_exit(EXIT_FAILURE);
}
for (i = 0; i < nr_mem_desc; i++)
{
mem_desc_t *desc = &mem_desc_list[i];
printf("Memory allocation %d:\n", i);
printf(" size %ld byte\n", desc->size);
printf("\n");
do_memory_allocation(desc);
}
while (true)
{
sleep(60);
if (! periodical_write) continue;
for (i = 0; i < nr_mem_desc; i++)
{
mem_desc_t *desc = &mem_desc_list[i];
memset(desc->ptr, 0x55, desc->size);
}
}
return 0;
}
