void get_self_executable_directory_test()
{
puts(get_self_executable_directory());
}
int main (int argc, char* const argv[])
{
struct in_addr local_address;
uint16_t port;
int next_option;
/* Store the program name, which we'll use in error messages.*/
program_name = argv[0];
/* Set defaults for options. Bind the server to all local addresses,
and assign an unused port automatically. */
local_address.s_addr = INADDR_ANY;
port = htons(8080);//default port 8080
/* Don't print verbose messages. */
verbose = 0;
/* Load modules from the directory containing this executable. */
module_dir = get_self_executable_directory ();
assert (module_dir != NULL);
/* Parse options. */
do {
next_option =
getopt_long (argc, argv, short_options, long_options, NULL);
switch (next_option) {
case 'a':
/* User specified -a or --address. */
{
struct hostent* local_host_name;
/* Look up the hostname the user specified. */
local_host_name = gethostbyname (optarg);
if (local_host_name == NULL || local_host_name->h_length == 0)
/* Could not resolve the name. */
error (optarg, "invalid host name");
else
/* Hostname is OK, so use it. */
local_address.s_addr =
*((int*) (local_host_name->h_addr_list[0]));
}
break;
case 'h':
/* User specified -h or --help.*/
print_usage (0);
break;
case 'm':
/* User specified -m or --module-dir.*/
{
struct stat dir_info;
/* Check that it exists. */
if (access (optarg, F_OK) != 0)
error (optarg, "module directory does not exist");
/* Check that it is accessible. */
if (access (optarg, R_OK | X_OK) != 0)
error (optarg, "module directory is not accessible");
/* Make sure that it is a directory. */
if (stat (optarg, &dir_info) != 0 || !S_ISDIR (dir_info.st_mode))
error (optarg, "not a directory");
/* It looks OK, so use it. */
module_dir = strdup (optarg);
}
break;
case 'p':
/* User specified -p or --port. */
{
long value;
char* end;
value = strtol (optarg, &end, 10);
if (*end != '\0')
/* The user specified nondigits in the port number. */
print_usage (1);
/* The port number needs to be converted to network (big endian)
byte order. */
port = (uint16_t) htons (value);
}
break;
case 'v':
/* User specified -v or --verbose.*/
verbose = 1;
break;
case '?':
/* User specified an unrecognized option.*/
print_usage (1);
case -1:
/* Done with options. */
break;
default:
abort ();
}
} while (next_option != -1);
/* This program takes no additional arguments.
user specified any. */
if (optind != argc)
print_usage (1);
/*Issue an error if the Print the module directory, if we're running verbose. */
if (verbose)
printf ("modules will be loaded from %s\n", module_dir);
/* Run the server. */
server_run (local_address, port);
return 0;
}
int main (int argc, char* const argv[])
{
struct in_addr local_address;
uint16_t port;
int next_option;
/* Store the program name, which we'll use in error messages. */
program_name = argv[0];
char str_tmp[128];
/* create run dir */
if(mkdir(RUN_DIR, 0755)){
/* sprintf(str_tmp, "create %s", RUN_DIR); */
/* system_error(str_tmp); */
}
/* create pid file to prevent run another instance */
sprintf(str_tmp, "%s/server.pid", RUN_DIR);
pid_fd = open(str_tmp, O_CREAT|O_WRONLY, 0644);
if (pid_fd <= 0) {
system_error("create pid file");
}
memset(&lock, 0, sizeof(struct flock));
lock.l_type = F_WRLCK;
/* Place a write lock on the file. */
if(-1 == fcntl(pid_fd, F_SETLK, &lock)){
fprintf(stdout, "The program %s is already running.\n", program_name);
exit(1);
}
/* install a signal handler for Ctrl-C */
struct sigaction signal_kill;
memset(&signal_kill, 0, sizeof(struct sigaction));
signal_kill.sa_handler = &signal_kill_handler;
sigaction(SIGINT, &signal_kill, NULL);
sprintf(str_tmp, "%d", getpid());
write(pid_fd, str_tmp, strlen(str_tmp));
/* Set defaults for options. Bind the server to all local addresses,
and assign an unused port automatically. */
local_address.s_addr = INADDR_ANY;
port = htons(1234);
/* Don't print verbose messages. */
verbose = 0;
/* Load modules from the directory containing this executable. */
module_dir = get_self_executable_directory ();
assert (module_dir != NULL);
/* Parse options. */
do {
next_option =
getopt_long (argc, argv, short_options, long_options, NULL);
switch (next_option) {
case 'a':
/* User specified -a or --address. */
{
struct hostent* local_host_name;
/* Look up the host name the user specified. */
local_host_name = gethostbyname (optarg);
if (local_host_name == NULL || local_host_name->h_length == 0)
/* Could not resolve the name. */
error (optarg, "invalid host name");
else
/* Host name is OK, so use it. */
local_address.s_addr =
*((int*) (local_host_name->h_addr_list[0]));
}
break;
case 'h':
/* User specified -h or --help. */
print_usage (0);
case 'm':
/* User specified -m or --module-dir. */
{
struct stat dir_info;
/* Check that it exists. */
if (access (optarg, F_OK) != 0)
error (optarg, "module directory does not exist");
/* Check that it is accessible. */
if (access (optarg, R_OK | X_OK) != 0)
error (optarg, "module directory is not accessible");
/* Make sure that it is a directory. */
if (stat (optarg, &dir_info) != 0 || !S_ISDIR (dir_info.st_mode))
error (optarg, "not a directory");
/* It looks OK, so use it. */
module_dir = strdup (optarg);
}
break;
case 'p':
/* User specified -p or --port. */
{
long value;
char* end;
value = strtol (optarg, &end, 10);
if (*end != '\0')
/* The user specified non-digits in the port number. */
print_usage (1);
/* The port number needs to be converted to network (big endian)
byte order. */
port = (uint16_t) htons (value);
}
break;
case 'v':
/* User specified -v or --verbose. */
verbose = 1;
break;
case '?':
/* User specified an nrecognized option. */
print_usage (1);
case -1:
/* Done with options. */
break;
default:
abort ();
}
} while (next_option != -1);
/* This program takes no additional arguments. Issue an error if the
user specified any. */
if (optind != argc){
print_usage (1);
}
/* Print the module directory, if we're running verbose. */
if (verbose)
printf ("modules will be loaded from %s\n", module_dir);
xlog_record(LOG_INFO, "Start server.");
/* Run the server. */
server_run (local_address, port);
return 0;
}