--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/server/daemon/event.c Thu May 24 12:51:52 2012 +0200
@@ -0,0 +1,96 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2011 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "../ucx/map.h"
+
+#include "event.h"
+
+UcxMap *event_handler_map = NULL;
+int numevhandlers = 0;
+
+event_handler_t *default_event_handler = NULL;
+
+event_handler_t *last_handler_c = NULL;
+
+int create_event_handler(EventHandlerConfig *cfg) {
+ if(event_handler_map == NULL) {
+ event_handler_map = ucx_map_new(16);
+ }
+
+ /* if the event handler already exists, we don't modify it */
+ if(ucx_map_sstr_get(event_handler_map, cfg->name)) {
+ /* TODO: log message */
+ /* TODO: set reload status */
+ return 1;
+ }
+
+ /* create new handler */
+ event_handler_t *e = evhandler_create(cfg->nthreads);
+ if(e == NULL) {
+ return 1;
+ }
+
+ if(cfg->isdefault) {
+ if(default_event_handler) {
+ /* there can be only one default event handler */
+ /* TODO: log warning */
+ }
+ default_event_handler = e;
+ }
+
+ int ret = ucx_map_sstr_put(event_handler_map, cfg->name, e);
+ if(ret == 0) {
+ last_handler_c = e;
+ numevhandlers++;
+ }
+
+ return ret;
+}
+
+/*
+ * checks if there is at least one event handler and a default handler
+ * if necessary, check_event_handler_cfg() creates a default event handler
+ */
+int check_event_handler_cfg() {
+ if(numevhandlers > 0 ) {
+ if(default_event_handler) {
+ return 0;
+ } else {
+ default_event_handler = last_handler_c;
+ return 0;
+ }
+ }
+
+ EventHandlerConfig cfg;
+ cfg.name = sstr("default");
+ cfg.nthreads = 1;
+ cfg.isdefault = 1;
+
+ return create_event_handler(&cfg);
+}
+