JNIEXPORT jint JNICALL
Java_org_zeromq_czmq_Zsys__1_1daemonize (JNIEnv *env, jclass c, jstring workdir)
{
char *workdir_ = (char *) (*env)->GetStringUTFChars (env, workdir, NULL);
jint daemonize_ = (jint) zsys_daemonize (workdir_);
(*env)->ReleaseStringUTFChars (env, workdir, workdir_);
return daemonize_;
}
///
// Move the current process into the background. The precise effect depends
// on the operating system. On POSIX boxes, moves to a specified working
// directory (if specified), closes all file handles, reopens stdin, stdout,
// and stderr to the null device, and sets the process to ignore SIGHUP. On
// Windows, does nothing. Returns 0 if OK, -1 if there was an error.
int QmlZsysAttached::daemonize (const QString &workdir) {
return zsys_daemonize (workdir.toUtf8().data());
};
int main (int argc, char *argv [])
{
puts (PRODUCT);
puts (COPYRIGHT);
puts (NOWARRANTY);
int argn = 1;
bool verbose = false;
bool force_foreground = false;
if (argc > argn && streq (argv [argn], "-v")) {
verbose = true;
argn++;
}
if (argc > argn && streq (argv [argn], "-f")) {
force_foreground = true;
argn++;
}
if (argc > argn && streq (argv [argn], "-h")) {
puts ("Usage: malamute [ -v ] [ -f ] [ -h | config-file ]");
puts (" Default config-file is 'malamute.cfg'");
return 0;
}
// Collect configuration file name
const char *config_file = "malamute.cfg";
if (argc > argn) {
config_file = argv [argn];
argn++;
}
// Send logging to system facility as well as stdout
zsys_init ();
zsys_set_logsystem (true);
zsys_set_pipehwm (0);
zsys_set_sndhwm (0);
zsys_set_rcvhwm (0);
// Load config file for our own use here
zsys_info ("starting Malamute using config in '%s'", config_file);
zconfig_t *config = zconfig_load (config_file);
if (config) {
// Do we want to run broker in the background?
int as_daemon = !force_foreground && atoi (zconfig_resolve (config, "server/background", "0"));
const char *workdir = zconfig_resolve (config, "server/workdir", ".");
if (as_daemon) {
zsys_info ("switching Malamute to background...");
if (zsys_daemonize (workdir))
return -1;
}
// Switch to user/group to run process under, if any
if (zsys_run_as (
zconfig_resolve (config, "server/lockfile", NULL),
zconfig_resolve (config, "server/group", NULL),
zconfig_resolve (config, "server/user", NULL)))
return -1;
}
else {
zsys_error ("cannot load config file '%s'\n", config_file);
return 1;
}
// Install authenticator (NULL or PLAIN)
zactor_t *auth = zactor_new (zauth, NULL);
assert (auth);
if (verbose || atoi (zconfig_resolve (config, "server/auth/verbose", "0"))) {
zstr_sendx (auth, "VERBOSE", NULL);
zsock_wait (auth);
}
// Do PLAIN password authentication if requested
const char *passwords = zconfig_resolve (config, "server/auth/plain", NULL);
if (passwords) {
zstr_sendx (auth, "PLAIN", passwords, NULL);
zsock_wait (auth);
}
// Start Malamute server instance
zactor_t *server = zactor_new (mlm_server, "Malamute");
if (verbose)
zstr_send (server, "VERBOSE");
zstr_sendx (server, "LOAD", config_file, NULL);
// Accept and print any message back from server
while (true) {
char *message = zstr_recv (server);
if (message) {
puts (message);
free (message);
}
else {
puts ("interrupted");
break;
}
}
// Shutdown all services
zactor_destroy (&server);
zactor_destroy (&auth);
// Destroy config tree
zconfig_destroy (&config);
return 0;
}
///
// Move the current process into the background. The precise effect depends
// on the operating system. On POSIX boxes, moves to a specified working
// directory (if specified), closes all file handles, reopens stdin, stdout,
// and stderr to the null device, and sets the process to ignore SIGHUP. On
// Windows, does nothing. Returns 0 if OK, -1 if there was an error.
int QZsys::daemonize (const QString &workdir)
{
int rv = zsys_daemonize (workdir.toUtf8().data());
return rv;
}
int main (int argc, char *argv [])
{
puts (PRODUCT);
puts (COPYRIGHT);
puts (NOWARRANTY);
int argn = 1;
bool verbose = false;
bool force_foreground = false;
if (argc > argn && streq (argv [argn], "-v")) {
verbose = true;
argn++;
}
if (argc > argn && streq (argv [argn], "-f")) {
force_foreground = true;
argn++;
}
if (argc > argn && streq (argv [argn], "-h")) {
puts ("Usage: malamute [ -v ] [ -f ] [ -h | config-file ]");
puts (" Default config-file is 'malamute.cfg'");
return 0;
}
// Collect configuration file name
const char *config_file = "malamute.cfg";
if (argc > argn) {
config_file = argv [argn];
argn++;
}
zsys_init ();
// Keep old behavior unless specified otherwise.
if (!getenv ("ZSYS_LOGSYSTEM")) {
zsys_set_logsystem(true);
}
zsys_set_pipehwm (0);
zsys_set_sndhwm (0);
zsys_set_rcvhwm (0);
// Load config file for our own use here
zsys_info ("loading configuration from '%s'...", config_file);
zconfig_t *config = zconfig_load (config_file);
if (!config) {
zsys_info ("'%s' is missing, creating with defaults:", config_file);
config = zconfig_new ("root", NULL);
zconfig_put (config, "server/timeout", "5000");
zconfig_put (config, "server/background", "0");
zconfig_put (config, "server/workdir", ".");
zconfig_put (config, "server/verbose", "0");
zconfig_put (config, "mlm_server/security/mechanism", "null");
zconfig_put (config, "mlm_server/bind/endpoint", MLM_DEFAULT_ENDPOINT);
zconfig_print (config);
zconfig_save (config, config_file);
}
// Do we want to run broker in the background?
int as_daemon = !force_foreground && atoi (zconfig_resolve (config, "server/background", "0"));
const char *workdir = zconfig_resolve (config, "server/workdir", ".");
if (as_daemon) {
zsys_info ("switching Malamute to background...");
if (zsys_daemonize (workdir))
return -1;
}
// Switch to user/group to run process under, if any
if (zsys_run_as (
zconfig_resolve (config, "server/lockfile", NULL),
zconfig_resolve (config, "server/group", NULL),
zconfig_resolve (config, "server/user", NULL)))
return -1;
// Install authenticator (NULL or PLAIN)
zactor_t *auth = zactor_new (zauth, NULL);
assert (auth);
if (verbose || atoi (zconfig_resolve (config, "server/auth/verbose", "0"))) {
zstr_sendx (auth, "VERBOSE", NULL);
zsock_wait (auth);
}
// Do PLAIN password authentication if requested
const char *passwords = zconfig_resolve (config, "server/auth/plain", NULL);
if (passwords) {
zstr_sendx (auth, "PLAIN", passwords, NULL);
zsock_wait (auth);
}
// Start Malamute server instance
zactor_t *server = zactor_new (mlm_server, "Malamute");
if (verbose)
zstr_send (server, "VERBOSE");
zstr_sendx (server, "LOAD", config_file, NULL);
// Accept and print any message back from server
while (true) {
char *message = zstr_recv (server);
if (message) {
puts (message);
free (message);
}
else {
puts ("interrupted");
break;
}
}
// Shutdown all services
zactor_destroy (&server);
zactor_destroy (&auth);
// Destroy config tree
zconfig_destroy (&config);
#if defined (__WINDOWS__)
zsys_shutdown ();
#endif
return 0;
}
