From fe39ffb8b90ae4e002ed73fe98617cd590abb467 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 08:33:50 +0200
Subject: Adding upstream version 2.4.56.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 modules/md/md_event.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 modules/md/md_event.c

(limited to 'modules/md/md_event.c')

diff --git a/modules/md/md_event.c b/modules/md/md_event.c
new file mode 100644
index 0000000..c731d55
--- /dev/null
+++ b/modules/md/md_event.c
@@ -0,0 +1,89 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include <assert.h>
+#include <apr_optional.h>
+#include <apr_strings.h>
+
+#include "md.h"
+#include "md_event.h"
+
+
+typedef struct md_subscription {
+    struct md_subscription *next;
+    md_event_cb *cb;
+    void *baton;
+} md_subscription;
+
+static struct {
+    apr_pool_t *p;
+    md_subscription *subs;
+} EVNT;
+
+static apr_status_t cleanup_setup(void *dummy)
+{
+    (void)dummy;
+    memset(&EVNT, 0, sizeof(EVNT));
+    return APR_SUCCESS;
+}
+
+void md_event_init(apr_pool_t *p)
+{
+    memset(&EVNT, 0, sizeof(EVNT));
+    EVNT.p = p;
+    apr_pool_cleanup_register(p, NULL, cleanup_setup, apr_pool_cleanup_null);
+}
+
+void md_event_subscribe(md_event_cb *cb, void *baton)
+{
+    md_subscription *sub;
+    
+    sub = apr_pcalloc(EVNT.p, sizeof(*sub));
+    sub->cb = cb;
+    sub->baton = baton;
+    sub->next = EVNT.subs;
+    EVNT.subs = sub;
+} 
+
+apr_status_t md_event_raise(const char *event, 
+                            const char *mdomain, 
+                            struct md_job_t *job, 
+                            struct md_result_t *result, 
+                            apr_pool_t *p)
+{
+    md_subscription *sub = EVNT.subs;
+    apr_status_t rv;
+
+    while (sub) {
+        rv = sub->cb(event, mdomain, sub->baton, job, result, p);
+        if (APR_SUCCESS != rv) return rv;
+        sub = sub->next;
+    }
+    return APR_SUCCESS;
+}
+
+void md_event_holler(const char *event, 
+                     const char *mdomain, 
+                     struct md_job_t *job, 
+                     struct md_result_t *result, 
+                     apr_pool_t *p)
+{
+    md_subscription *sub = EVNT.subs;
+    while (sub) {
+        sub->cb(event, mdomain, sub->baton, job, result, p);
+        sub = sub->next;
+    }
+}
-- 
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