/* this is defined in DynaLoader.a */
void boot_DynaLoader (PerlInterpreter *, CV *);
+static XS (Collectd_plugin_register_read);
+static XS (Collectd_plugin_register_write);
+static XS (Collectd_plugin_register_log);
+static XS (Collectd_plugin_register_notification);
+static XS (Collectd_plugin_register_flush);
+static XS (Collectd_plugin_unregister_read);
+static XS (Collectd_plugin_unregister_write);
+static XS (Collectd_plugin_unregister_log);
+static XS (Collectd_plugin_unregister_notification);
+static XS (Collectd_plugin_unregister_flush);
static XS (Collectd_plugin_register_ds);
static XS (Collectd_plugin_unregister_ds);
static XS (Collectd_plugin_dispatch_values);
static XS (Collectd__fc_register);
static XS (Collectd_call_by_name);
+static int perl_read (user_data_t *ud);
+static int perl_write (const data_set_t *ds, const value_list_t *vl,
+ user_data_t *user_data);
+static void perl_log (int level, const char *msg, user_data_t *user_data);
+static int perl_notify (const notification_t *notif, user_data_t *user_data);
+static int perl_flush (cdtime_t timeout, const char *identifier,
+ user_data_t *user_data);
+
/*
* private data types
*/
XS ((*f));
} api[] =
{
+ { "Collectd::plugin_register_read", Collectd_plugin_register_read },
+ { "Collectd::plugin_register_write", Collectd_plugin_register_write },
+ { "Collectd::plugin_register_log", Collectd_plugin_register_log },
+ { "Collectd::plugin_register_notification",
+ Collectd_plugin_register_notification },
+ { "Collectd::plugin_register_flush", Collectd_plugin_register_flush },
+ { "Collectd::plugin_unregister_read", Collectd_plugin_unregister_read },
+ { "Collectd::plugin_unregister_write", Collectd_plugin_unregister_write },
+ { "Collectd::plugin_unregister_log", Collectd_plugin_unregister_log },
+ { "Collectd::plugin_unregister_notification",
+ Collectd_plugin_unregister_notification },
+ { "Collectd::plugin_unregister_flush", Collectd_plugin_unregister_flush },
{ "Collectd::plugin_register_data_set", Collectd_plugin_register_ds },
{ "Collectd::plugin_unregister_data_set", Collectd_plugin_unregister_ds },
{ "Collectd::plugin_dispatch_values", Collectd_plugin_dispatch_values },
return 0;
}
- ret = call_pv (sub_name, G_SCALAR);
+ ret = call_pv (sub_name, G_SCALAR|G_EVAL);
t->running = old_running;
return ret;
/*
* Call all working functions of the given type.
*/
-static int pplugin_call_all (pTHX_ int type, ...)
+static int pplugin_call (pTHX_ int type, ...)
{
int retvals = 0;
va_list ap;
int ret = 0;
+ char *subname;
dSP;
PUSHMARK (SP);
- XPUSHs (sv_2mortal (newSViv ((IV)type)));
+ if (PLUGIN_READ == type) {
+ subname = va_arg(ap, char *);
+ }
+ else if (PLUGIN_WRITE == type) {
+ data_set_t *ds;
+ value_list_t *vl;
- if (PLUGIN_WRITE == type) {
+ AV *pds = newAV ();
+ HV *pvl = newHV ();
+
+ subname = va_arg(ap, char *);
/*
* $_[0] = $plugin_type;
*
* type_instance => $type_instance
* };
*/
- data_set_t *ds;
- value_list_t *vl;
-
- AV *pds = newAV ();
- HV *pvl = newHV ();
-
ds = va_arg (ap, data_set_t *);
vl = va_arg (ap, value_list_t *);
XPUSHs (sv_2mortal (newRV_noinc ((SV *)pvl)));
}
else if (PLUGIN_LOG == type) {
+ subname = va_arg(ap, char *);
/*
* $_[0] = $level;
*
XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
}
else if (PLUGIN_NOTIF == type) {
+ notification_t *n;
+ HV *notif = newHV ();
+
+ subname = va_arg(ap, char *);
/*
* $_[0] =
* {
* type_instance => $type_instance
* };
*/
- notification_t *n;
- HV *notif = newHV ();
-
n = va_arg (ap, notification_t *);
if (-1 == notification2hv (aTHX_ n, notif)) {
}
else if (PLUGIN_FLUSH == type) {
cdtime_t timeout;
-
+ subname = va_arg(ap, char *);
/*
* $_[0] = $timeout;
* $_[1] = $identifier;
XPUSHs (sv_2mortal (newSVnv (CDTIME_T_TO_DOUBLE (timeout))));
XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
}
+ else if (PLUGIN_INIT == type) {
+ subname = "Collectd::plugin_call_all";
+ XPUSHs (sv_2mortal (newSViv ((IV)type)));
+ }
+ else if (PLUGIN_SHUTDOWN == type) {
+ subname = "Collectd::plugin_call_all";
+ XPUSHs (sv_2mortal (newSViv ((IV)type)));
+ }
+ else { /* Unknown type. Run 'plugin_call_all' and make compiler happy */
+ subname = "Collectd::plugin_call_all";
+ XPUSHs (sv_2mortal (newSViv ((IV)type)));
+ }
PUTBACK;
- retvals = call_pv_locked (aTHX_ "Collectd::plugin_call_all");
+ retvals = call_pv_locked (aTHX_ subname);
SPAGAIN;
- if (0 < retvals) {
+ if (SvTRUE(ERRSV)) {
+ if (PLUGIN_LOG != type)
+ ERROR ("perl: %s error: %s", subname, SvPV_nolen(ERRSV));
+ ret = -1;
+ }
+ else if (0 < retvals) {
SV *tmp = POPs;
if (! SvTRUE (tmp))
ret = -1;
va_end (ap);
return ret;
-} /* static int pplugin_call_all (int, ...) */
+} /* static int pplugin_call (int, ...) */
/*
* collectd's Perl interpreter based thread implementation.
}
SPAGAIN;
- if (0 < retvals) {
+ if (SvTRUE(ERRSV)) {
+ ERROR ("perl: Collectd::fc_call error: %s", SvPV_nolen(ERRSV));
+ ret = -1;
+ }
+ else if (0 < retvals) {
SV *tmp = POPs;
/* the exec callbacks return a status, while
* Exported Perl API.
*/
+static void _plugin_register_generic_userdata (pTHX, int type, const char *desc)
+{
+ int ret = 0;
+ user_data_t userdata;
+ char cb_name[DATA_MAX_NAME_LEN];
+
+ dXSARGS;
+
+ if (2 != items) {
+ log_err ("Usage: Collectd::plugin_register_%s(pluginname, subname)",
+ desc);
+ XSRETURN_EMPTY;
+ }
+
+ if (! SvOK (ST (0))) {
+ log_err ("Collectd::plugin_register_%s(pluginname, subname): "
+ "Invalid pluginname", desc);
+ XSRETURN_EMPTY;
+ }
+ if (! SvOK (ST (1))) {
+ log_err ("Collectd::plugin_register_%s(pluginname, subname): "
+ "Invalid subname", desc);
+ XSRETURN_EMPTY;
+ }
+
+ log_debug ("Collectd::plugin_register_%s: "
+ "plugin = \"%s\", sub = \"%s\"",
+ desc, SvPV_nolen (ST (0)), SvPV_nolen (ST (1)));
+
+ ssnprintf (cb_name, sizeof (cb_name), "perl/%s", SvPV_nolen (ST (0)));
+ memset(&userdata, 0, sizeof(userdata));
+ userdata.data = strdup(SvPV_nolen (ST (1)));
+ userdata.free_func = free;
+
+ if (PLUGIN_READ == type) {
+ ret = plugin_register_complex_read(
+ "perl", /* group */
+ cb_name,
+ perl_read,
+ plugin_get_interval(), /* Default interval */
+ &userdata);
+ }
+ else if (PLUGIN_WRITE == type) {
+ ret = plugin_register_write(cb_name, perl_write, &userdata);
+ }
+ else if (PLUGIN_LOG == type) {
+ ret = plugin_register_log(cb_name, perl_log, &userdata);
+ }
+ else if (PLUGIN_NOTIF == type) {
+ ret = plugin_register_notification(cb_name, perl_notify, &userdata);
+ }
+ else if (PLUGIN_FLUSH == type) {
+ ret = plugin_register_flush(cb_name, perl_flush, &userdata);
+ }
+ else {
+ ret = -1;
+ }
+
+ if (0 == ret)
+ XSRETURN_YES;
+ else {
+ free (userdata.data);
+ XSRETURN_EMPTY;
+ }
+} /* static void _plugin_register_generic_userdata ( ... ) */
+
+/*
+ * Collectd::plugin_register_TYPE (pluginname, subname).
+ *
+ * pluginname:
+ * name of the perl plugin
+ *
+ * subname:
+ * name of the plugin's subroutine that does the work
+ */
+
+static XS (Collectd_plugin_register_read) {
+ return _plugin_register_generic_userdata(aTHX, PLUGIN_READ, "read");
+}
+
+static XS (Collectd_plugin_register_write) {
+ return _plugin_register_generic_userdata(aTHX, PLUGIN_WRITE, "write");
+}
+
+static XS (Collectd_plugin_register_log) {
+ return _plugin_register_generic_userdata(aTHX, PLUGIN_LOG, "log");
+}
+
+static XS (Collectd_plugin_register_notification) {
+ return _plugin_register_generic_userdata(aTHX, PLUGIN_NOTIF, "notification");
+}
+
+static XS (Collectd_plugin_register_flush) {
+ return _plugin_register_generic_userdata(aTHX, PLUGIN_FLUSH, "flush");
+}
+
+typedef int perl_unregister_function_t(const char *name);
+
+static void _plugin_unregister_generic (pTHX,
+ perl_unregister_function_t *unreg, const char *desc)
+{
+ char cb_name[DATA_MAX_NAME_LEN];
+
+ dXSARGS;
+
+ if (1 != items) {
+ log_err ("Usage: Collectd::plugin_unregister_%s(pluginname)", desc);
+ XSRETURN_EMPTY;
+ }
+
+ if (! SvOK (ST (0))) {
+ log_err ("Collectd::plugin_unregister_%s(pluginname): "
+ "Invalid pluginname", desc);
+ XSRETURN_EMPTY;
+ }
+
+ log_debug ("Collectd::plugin_unregister_%s: plugin = \"%s\"",
+ desc, SvPV_nolen (ST (0)));
+
+ ssnprintf (cb_name, sizeof (cb_name), "perl/%s", SvPV_nolen (ST (0)));
+
+ unreg(cb_name);
+
+ XSRETURN_EMPTY;
+
+ return;
+} /* static void _plugin_unregister_generic ( ... ) */
+
+/*
+ * Collectd::plugin_unregister_TYPE (pluginname).
+ *
+ * TYPE:
+ * type of callback to be unregistered: read, write, log, notification, flush
+ *
+ * pluginname:
+ * name of the perl plugin
+ */
+
+static XS (Collectd_plugin_unregister_read) {
+ return _plugin_unregister_generic(aTHX,
+ plugin_unregister_read, "read");
+}
+
+static XS (Collectd_plugin_unregister_write) {
+ return _plugin_unregister_generic(aTHX,
+ plugin_unregister_write, "write");
+}
+
+static XS (Collectd_plugin_unregister_log) {
+ return _plugin_unregister_generic(aTHX,
+ plugin_unregister_log, "log");
+}
+
+static XS (Collectd_plugin_unregister_notification) {
+ return _plugin_unregister_generic(aTHX,
+ plugin_unregister_notification, "notification");
+}
+
+static XS (Collectd_plugin_unregister_flush) {
+ return _plugin_unregister_generic(aTHX,
+ plugin_unregister_flush, "flush");
+}
+
/*
* Collectd::plugin_register_data_set (type, dataset).
*
assert (aTHX == perl_threads->head->interp);
pthread_mutex_lock (&perl_threads->mutex);
- status = pplugin_call_all (aTHX_ PLUGIN_INIT);
+ status = pplugin_call (aTHX_ PLUGIN_INIT);
pthread_mutex_unlock (&perl_threads->mutex);
return status;
} /* static int perl_init (void) */
-static int perl_read (void)
+static int perl_read (user_data_t *user_data)
{
dTHX;
log_debug ("perl_read: c_ithread: interp = %p (active threads: %i)",
aTHX, perl_threads->number_of_threads);
- return pplugin_call_all (aTHX_ PLUGIN_READ);
-} /* static int perl_read (void) */
+
+ return pplugin_call (aTHX_ PLUGIN_READ, user_data->data);
+} /* static int perl_read (user_data_t *user_data) */
static int perl_write (const data_set_t *ds, const value_list_t *vl,
- user_data_t __attribute__((unused)) *user_data)
+ user_data_t *user_data)
{
int status;
dTHX;
log_debug ("perl_write: c_ithread: interp = %p (active threads: %i)",
aTHX, perl_threads->number_of_threads);
- status = pplugin_call_all (aTHX_ PLUGIN_WRITE, ds, vl);
+ status = pplugin_call (aTHX_ PLUGIN_WRITE, user_data->data, ds, vl);
if (aTHX == perl_threads->head->interp)
pthread_mutex_unlock (&perl_threads->mutex);
} /* static int perl_write (const data_set_t *, const value_list_t *) */
static void perl_log (int level, const char *msg,
- user_data_t __attribute__((unused)) *user_data)
+ user_data_t *user_data)
{
dTHX;
if (aTHX == perl_threads->head->interp)
pthread_mutex_lock (&perl_threads->mutex);
- pplugin_call_all (aTHX_ PLUGIN_LOG, level, msg);
+ pplugin_call (aTHX_ PLUGIN_LOG, user_data->data, level, msg);
if (aTHX == perl_threads->head->interp)
pthread_mutex_unlock (&perl_threads->mutex);
return;
} /* static void perl_log (int, const char *) */
-static int perl_notify (const notification_t *notif,
- user_data_t __attribute__((unused)) *user_data)
+static int perl_notify (const notification_t *notif, user_data_t *user_data)
{
dTHX;
aTHX = t->interp;
}
- return pplugin_call_all (aTHX_ PLUGIN_NOTIF, notif);
+ return pplugin_call (aTHX_ PLUGIN_NOTIF, user_data->data, notif);
} /* static int perl_notify (const notification_t *) */
static int perl_flush (cdtime_t timeout, const char *identifier,
- user_data_t __attribute__((unused)) *user_data)
+ user_data_t *user_data)
{
dTHX;
aTHX = t->interp;
}
- return pplugin_call_all (aTHX_ PLUGIN_FLUSH, timeout, identifier);
+ return pplugin_call (aTHX_ PLUGIN_FLUSH, user_data->data, timeout, identifier);
} /* static int perl_flush (const int) */
static int perl_shutdown (void)
dTHX;
plugin_unregister_complex_config ("perl");
+ plugin_unregister_read_group ("perl");
if (NULL == perl_threads)
return 0;
log_debug ("perl_shutdown: c_ithread: interp = %p (active threads: %i)",
aTHX, perl_threads->number_of_threads);
- plugin_unregister_log ("perl");
- plugin_unregister_notification ("perl");
plugin_unregister_init ("perl");
- plugin_unregister_read ("perl");
- plugin_unregister_write ("perl");
- plugin_unregister_flush ("perl");
- ret = pplugin_call_all (aTHX_ PLUGIN_SHUTDOWN);
+ ret = pplugin_call (aTHX_ PLUGIN_SHUTDOWN);
pthread_mutex_lock (&perl_threads->mutex);
t = perl_threads->tail;
pthread_kill (thr->pthread, SIGTERM);
ERROR ("perl shutdown: Thread hangs inside Perl. Thread killed.");
}
+ /* Mark as running to avoid deadlock:
+ c_ithread_destroy -> log_debug -> perl_log()
+ */
+ thr->running = 1;
c_ithread_destroy (thr);
}
perl_run (aTHX);
- plugin_register_log ("perl", perl_log, /* user_data = */ NULL);
- plugin_register_notification ("perl", perl_notify,
- /* user_data = */ NULL);
plugin_register_init ("perl", perl_init);
-
- plugin_register_read ("perl", perl_read);
-
- plugin_register_write ("perl", perl_write, /* user_data = */ NULL);
- plugin_register_flush ("perl", perl_flush, /* user_data = */ NULL);
plugin_register_shutdown ("perl", perl_shutdown);
return 0;
} /* static int init_pi (const char **, const int) */
projects / collectd.git / commitdiff