First commit

src/common/capwap_element_maximumlength.c

@@ -0,0 +1,77 @@
+#include "capwap.h"
+#include "capwap_element.h"
+
+/********************************************************************
+
+ 0              1
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|    Maximum Message Length     |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Type:   29 for Maximum Message Length
+Length:  2
+
+********************************************************************/
+
+struct capwap_maximumlength_raw_element {
+	unsigned short length;
+} __attribute__((__packed__));
+
+/* */
+struct capwap_message_element* capwap_maximumlength_element_create(void* data, unsigned long datalength) {
+	struct capwap_message_element* element;
+	
+	ASSERT(data != NULL);
+	ASSERT(datalength == sizeof(struct capwap_maximumlength_element));
+	
+	/* Alloc block of memory */
+	element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_maximumlength_raw_element));
+	if (!element) {
+		capwap_outofmemory();
+	}
+
+	/* Create message element */
+	memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_maximumlength_raw_element));
+	element->type = htons(CAPWAP_ELEMENT_MAXIMUMLENGTH);
+	element->length = htons(sizeof(struct capwap_maximumlength_raw_element));
+	
+	((struct capwap_maximumlength_raw_element*)element->data)->length = htons(((struct capwap_maximumlength_element*)data)->length);
+	
+	return element;
+}
+
+/* */
+int capwap_maximumlength_element_validate(struct capwap_message_element* element) {
+	/* TODO */
+	return 1;
+}
+
+/* */
+void* capwap_maximumlength_element_parsing(struct capwap_message_element* element) {
+	struct capwap_maximumlength_element* data;
+	
+	ASSERT(element);
+	ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_MAXIMUMLENGTH);
+	
+	if (ntohs(element->length) != sizeof(struct capwap_maximumlength_raw_element)) {
+		return NULL;
+	}
+
+	/* */
+	data = (struct capwap_maximumlength_element*)capwap_alloc(sizeof(struct capwap_maximumlength_element));
+	if (!data) {
+		capwap_outofmemory();
+	}
+
+	/* */
+	data->length = ntohs(((struct capwap_maximumlength_raw_element*)element->data)->length);
+	return data;
+}
+
+/* */
+void capwap_maximumlength_element_free(void* data) {
+	ASSERT(data != NULL);
+	
+	capwap_free(data);
+}