Add message elements

src/common/capwap_element_actimestamp.c

@@ -0,0 +1,65 @@
+#include "capwap.h"
+#include "capwap_element.h"
+
+/********************************************************************
+
+ 0                   1                   2                   3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                           Timestamp                           |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Type:   6 for AC Timestamp
+
+Length:   4
+
+********************************************************************/
+
+/* */
+static void capwap_actimestamp_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
+	struct capwap_actimestamp_element* element = (struct capwap_actimestamp_element*)data;
+
+	ASSERT(data != NULL);
+
+	/* */
+	func->write_u32(handle, element->timestamp);
+}
+
+/* */
+static void* capwap_actimestamp_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
+	struct capwap_actimestamp_element* data;
+
+	ASSERT(handle != NULL);
+	ASSERT(func != NULL);
+
+	if (func->read_ready(handle) != 4) {
+		capwap_logging_debug("Invalid AC Timestamp element");
+		return NULL;
+	}
+
+	/* */
+	data = (struct capwap_actimestamp_element*)capwap_alloc(sizeof(struct capwap_actimestamp_element));
+	if (!data) {
+		capwap_outofmemory();
+	}
+
+	/* Retrieve data */
+	memset(data, 0, sizeof(struct capwap_actimestamp_element));
+	func->read_u32(handle, &data->timestamp);
+
+	return data;
+}
+
+/* */
+static void capwap_actimestamp_element_free(void* data) {
+	ASSERT(data != NULL);
+	
+	capwap_free(data);
+}
+
+/* */
+struct capwap_message_elements_ops capwap_element_actimestamp_ops = {
+	.create_message_element = capwap_actimestamp_element_create,
+	.parsing_message_element = capwap_actimestamp_element_parsing,
+	.free_parsed_message_element = capwap_actimestamp_element_free
+};