From: pcarana <pc.moreno2099@gmail.com>
Date: Thu, 28 Feb 2019 21:30:55 +0000 (-0600)
Subject: Implement Serial Notify PDU (isn't sent yet)
X-Git-Tag: v0.0.2~52^2~47
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44208ea555a4f48310c54e4c180757ab4477c494;p=thirdparty%2FFORT-validator.git

Implement Serial Notify PDU (isn't sent yet)
---

diff --git a/src/rtr/pdu.h b/src/rtr/pdu.h
index 95f288cf..2c194b5a 100644
--- a/src/rtr/pdu.h
+++ b/src/rtr/pdu.h
@@ -9,6 +9,7 @@
 #define RTR_V0	0
 #define RTR_V1	1
 
+#define PDU_TYPE_SERIAL_NOTIFY		0
 #define PDU_TYPE_CACHE_RESPONSE		3
 #define PDU_TYPE_IPV4_PREFIX		4
 #define PDU_TYPE_IPV6_PREFIX		6
diff --git a/src/rtr/pdu_sender.c b/src/rtr/pdu_sender.c
index ca7cdcbe..a58d8738 100644
--- a/src/rtr/pdu_sender.c
+++ b/src/rtr/pdu_sender.c
@@ -39,6 +39,12 @@ set_header_values(struct pdu_header *header, u_int8_t version, u_int8_t type,
 	header->reserved = reserved;
 }
 
+static u_int32_t
+length_serial_notify_pdu(struct serial_notify_pdu *pdu)
+{
+	return HEADER_LENGTH + sizeof(pdu->serial_number);
+}
+
 static u_int32_t
 length_ipvx_prefix_pdu(bool isv4)
 {
@@ -98,6 +104,24 @@ send_response(int fd, char *data, size_t data_len)
 	return 0;
 }
 
+int
+send_serial_notify_pdu(struct sender_common *common)
+{
+	struct serial_notify_pdu pdu;
+	char data[BUFFER_SIZE];
+	size_t len;
+
+	set_header_values(&pdu.header, common->version, PDU_TYPE_SERIAL_NOTIFY,
+	    *common->session_id);
+
+	pdu.serial_number = *common->start_serial;
+	pdu.header.length = length_serial_notify_pdu(&pdu);
+
+	len = serialize_serial_notify_pdu(&pdu, data);
+
+	return send_response(common->fd, data, len);
+}
+
 int
 send_cache_reset_pdu(struct sender_common *common)
 {
diff --git a/src/rtr/pdu_serializer.c b/src/rtr/pdu_serializer.c
index f35dac75..8c11819c 100644
--- a/src/rtr/pdu_serializer.c
+++ b/src/rtr/pdu_serializer.c
@@ -35,8 +35,15 @@ serialize_pdu_header(struct pdu_header *header, u_int16_t union_value,
 size_t
 serialize_serial_notify_pdu(struct serial_notify_pdu *pdu, char *buf)
 {
-	// FIXME Complete me!
-	return 0;
+	size_t head_size;
+	char *ptr;
+
+	head_size = serialize_pdu_header(&pdu->header, pdu->header.session_id, buf);
+
+	ptr = buf + head_size;
+	ptr = write_int32(ptr, pdu->serial_number);
+
+	return ptr - buf;
 }
 
 size_t