Add abitility to get a string representation of an event. Used as DEBUG logging of event.

include/tr/event.h

@@ -42,6 +42,8 @@ TR_CLASSVARS_DECL(TR_Event) {
 
 #define TR_eventSetData(event, data)	(((TR_Event)event)->data = (void *)data)
 
+const char * TR_getEventString(TR_Event);
+
 #endif // __TR_EVENT_H__
 
 // vim: set ts=4 sw=4:

include/tr/event_subject.h

@@ -34,6 +34,7 @@ TR_CLASS(TR_EventSubject) {
 };
 TR_INSTANCE_INIT(TR_EventSubject);
 TR_CLASSVARS_DECL(TR_EventSubject) {
+	const char ** eventStrings;
 	size_t        nevents;
 	intptr_t    * events;
 };

src/Makefile.am

@@ -4,6 +4,7 @@ AUTOMAKE_OPTIONS = subdir-objects
 AM_CFLAGS += -I../include/
 
 TREVENT = event.c \
+	  get_event_string.c \
 	  event_dispatcher.c \
 	  event_dispatcher_register_handler.c \
 	  event_dispatcher_set_hearbeat.c \

src/event_dispatcher.c

@@ -112,6 +112,13 @@ eventDispatcherCvInit(TR_class_ptr cls)
 	TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_SHUTDOWN);
 }
 
+const char * TR_eventDispatcherStrings[] = {
+	"TR_DISPATCHER_EVENT_HEARTBEAT",
+	"TR_DISPATCHER_EVENT_USER_WAIT",
+	"TR_DISPATCHER_EVENT_DATA_WAIT",
+	"TR_DISPATCHER_EVENT_SHUTDOWN"
+};
+
 intptr_t dispatcher_events[TR_DISPATCHER_EVENT_MAX + 1];
 TR_INIT_IFACE(TR_Class, eventDispatcherCtor, eventDispatcherDtor, NULL);
 TR_CREATE_CLASS(
@@ -120,6 +127,7 @@ TR_CREATE_CLASS(
 		eventDispatcherCvInit,
 		TR_IF(TR_Class)) = {
 	{
+		TR_eventDispatcherStrings,
 		TR_DISPATCHER_EVENT_MAX + 1,
 		dispatcher_events
 	}

src/event_handler_handle_event.c

@@ -20,6 +20,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdio.h>
+
 #include "trbase.h"
 #include "trdata.h"
 #include "trhash.h"
@@ -35,6 +37,12 @@ TR_eventHandlerHandleEvent(TR_EventHandler this, TR_Event event)
 			TR_CLASSVARS(TR_EventHandler, TR_GET_CLASS(this))->event_methods,
 			TR_sdbm((unsigned char *)&event->id, sizeof(event->id)));
 
+	TR_loggerLog(TR_logger, TR_LOGGER_DEBUG,
+			"HANDLE: %s event on %p with no. %d\n",
+			TR_getEventString(event),
+			event->subject,
+			event->serial);
+
 	if (! handle_func_hv) {
 		return 0;
 	}

src/event_handler_issue_event.c

@@ -20,6 +20,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdio.h>
+
 #include "trbase.h"
 
 #include "tr/event.h"
@@ -28,9 +30,15 @@
 void
 TR_eventHandlerIssueEvent(TR_EventHandler this, TR_Event event)
 {
+	if (event) {
 		int i;
 
-	if (event) {
+		TR_loggerLog(TR_logger, TR_LOGGER_DEBUG,
+				"ISSUE: %s event on %p with no. %d\n",
+				TR_getEventString(event),
+				event->subject,
+				event->serial);
+
 		for (i=0; i<this->ndispatcher; i++) {
 			TR_eventDispatcherEnqueueEvent(this->dispatcher[i], event);
 		}

src/event_subject.c

@@ -32,6 +32,7 @@ static void eventSubjectDtor(void * _this) {}
 
 TR_INIT_IFACE(TR_Class, eventSubjectCtor, eventSubjectDtor, NULL);
 TR_CREATE_CLASS(TR_EventSubject, NULL, NULL, TR_IF(TR_Class)) = {
+	NULL,
 	0,
 	NULL
 };

src/get_event_string.c

@@ -0,0 +1,41 @@
+/**
+ * \file
+ *
+ * \author	Georg Hopp
+ *
+ * \copyright
+ * Copyright © 2014 Georg Hopp
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+
+#include "tr/event.h"
+#include "tr/event_subject.h"
+#include "tr/logger.h"
+#include "trbase.h"
+
+const char *
+TR_getEventString(TR_Event event)
+{
+	TR_class_ptr   cls = (TR_class_ptr)(event->id >> 8);
+	size_t         idx = event->id & 0xFF;
+	
+	idx -= TR_CLASSVARS(TR_EventSubject, cls->parent)->nevents;
+
+	return TR_CLASSVARS(TR_EventSubject, cls)->eventStrings[idx];
+}
+
+// vim: set ts=4 sw=4: