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authorJosé Bollo <jose.bollo@iot.bzh>2017-06-02 16:32:44 +0200
committerJosé Bollo <jose.bollo@iot.bzh>2017-06-02 17:05:37 +0200
commitc6380108964e71f533d8c672bb9c217020a95e8d (patch)
tree2b3678d53bee7e55ef8befe113fd7e8744067875 /include/afb/afb-req-v1.h
parentd3c80685ed6067f4899635c0328bbd8b70a2ed90 (diff)
Provide efficient store/unstore for afb_req
Change-Id: I231e2506f58227fb8d192df042539b1551a765c5 Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'include/afb/afb-req-v1.h')
-rw-r--r--include/afb/afb-req-v1.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/afb/afb-req-v1.h b/include/afb/afb-req-v1.h
new file mode 100644
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--- /dev/null
+++ b/include/afb/afb-req-v1.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed 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.
+ */
+
+#pragma once
+
+#include <stdlib.h>
+#include "afb-req-common.h"
+
+/*
+ * Stores 'req' on heap for asynchrnous use.
+ * Returns a pointer to the stored 'req' or NULL on memory depletion.
+ * The count of reference to 'req' is incremented on success
+ * (see afb_req_addref).
+ */
+static inline struct afb_req *afb_req_store_v1(struct afb_req req)
+{
+ struct afb_req *result = (struct afb_req*)malloc(sizeof *result);
+ if (result != NULL) {
+ *result = req;
+ afb_req_addref(req);
+ }
+ return result;
+}
+
+/*
+ * Retrieves the afb_req stored at 'req' and frees the memory.
+ * Returns the stored request.
+ * The count of reference is UNCHANGED, thus, normally, the
+ * function 'afb_req_unref' should be called on the result
+ * after that the asynchronous reply if sent.
+ */
+static inline struct afb_req afb_req_unstore_v1(struct afb_req *req)
+{
+ struct afb_req result = *req;
+ free(req);
+ return result;
+}
+