[PATCH 10/17] Add parser for remote entity address objects

[Yang Gu <yang.gu@intel.com>]

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---
 src/stkutil.c |   31 +++++++++++++++++++++++++++++++
 src/stkutil.h |   10 ++++++++++
 2 files changed, 41 insertions(+), 0 deletions(-)

diff --git a/src/stkutil.c b/src/stkutil.c
index 7209842..4863989 100644
--- a/src/stkutil.c
+++ b/src/stkutil.c
@@ -1385,6 +1385,35 @@ static gboolean parse_dataobj_service_availability(
 	return parse_dataobj_common_byte_array(iter, array);
 }
 
+/* Defined in TS 102.223 Section 8.68 */
+static gboolean parse_dataobj_remote_entity_address(
+		struct comprehension_tlv_iter *iter, void *user)
+{
+	struct stk_remote_entity_address *rea = user;
+	const unsigned char *data;
+	unsigned int len = comprehension_tlv_iter_get_length(iter);
+
+	data = comprehension_tlv_iter_get_data(iter);
+
+	rea->coding_type = data[0];
+	switch (rea->coding_type) {
+	case 0x00:
+		if (len != 7)
+			return FALSE;
+		break;
+	case 0x01:
+		if (len != 5)
+			return FALSE;
+		break;
+	default:
+		return FALSE;
+	}
+
+	memcpy(rea->addr, data + 1, len - 1);
+
+	return TRUE;
+}
+
 /* Defined in TS 102.223 Section 8.72 */
 static gboolean parse_dataobj_text_attr(struct comprehension_tlv_iter *iter,
 					void *user)
@@ -1549,6 +1578,8 @@ static dataobj_handler handler_for_type(enum stk_data_object_type type)
 		return parse_dataobj_attribute_info;
 	case STK_DATA_OBJECT_TYPE_SERVICE_AVAILABILITY:
 		return parse_dataobj_service_availability;
+	case STK_DATA_OBJECT_TYPE_REMOTE_ENTITY_ADDRESS:
+		return parse_dataobj_remote_entity_address;
 	case STK_DATA_OBJECT_TYPE_TEXT_ATTRIBUTE:
 		return parse_dataobj_text_attr;
 	case STK_DATA_OBJECT_TYPE_FRAME_ID:
diff --git a/src/stkutil.h b/src/stkutil.h
index 8c5e6f5..184c098 100644
--- a/src/stkutil.h
+++ b/src/stkutil.h
@@ -653,6 +653,16 @@ struct stk_attribute_info {
 };
 
 /*
+ * According to TS 102.223 Section 8.68, remote entity address can be either
+ * 6-bytes IEEE-802 address, or 4-bytes IrDA device address. So the maximum
+ * size of address is 6 bytes.
+ */
+struct stk_remote_entity_address {
+	unsigned char coding_type;
+	unsigned char addr[6];
+};
+
+/*
  * According to 102.223 Section 8.72 the length of text attribute CTLV is 1
  * byte.  This means that the maximum size is 127 according to the rules
  * of CTLVs.  Empty attribute options will have len of 0.
-- 
1.7.0.4