move NewReleaseFromAck to where all NewXXFromYY are

Signed-off-by: Hu Jun <hujun.work@gmail.com>

1 files changed, 17 insertions, 17 deletions

diff --git a/dhcpv4/dhcpv4.go b/dhcpv4/dhcpv4.go
index 14b0d9f..344e889 100644
--- a/dhcpv4/dhcpv4.go
+++ b/dhcpv4/dhcpv4.go
@@ -271,6 +271,23 @@ func NewReplyFromRequest(request *DHCPv4, modifiers ...Modifier) (*DHCPv4, error
 	)...)
 }
 
+// NewReleaseFromACK creates a DHCPv4 Release message from ACK.
+// default Release message without any Modifer is created as following:
+//  - option Message Type is Release
+//  - ClientIP is set to ack.YourIPAddr
+//  - ClientHWAddr is set to ack.ClientHWAddr
+//  - Unicast
+//  - option Server Identifier is set to ack's ServerIdentifier
+func NewReleaseFromACK(ack *DHCPv4, modifiers ...Modifier) (*DHCPv4, error) {
+	return New(PrependModifiers(modifiers,
+		WithMessageType(MessageTypeRelease),
+		WithClientIP(ack.YourIPAddr),
+		WithHwAddr(ack.ClientHWAddr),
+		WithBroadcast(false),
+		WithOption(OptServerIdentifier(ack.ServerIdentifier())),
+	)...)
+}
+
 // FromBytes encodes the DHCPv4 packet into a sequence of bytes, and returns an
 // error if the packet is not valid.
 func FromBytes(q []byte) (*DHCPv4, error) {
@@ -790,20 +807,3 @@ func (d *DHCPv4) VIVC() VIVCIdentifiers {
 	}
 	return ids
 }
-
-// NewReleaseFromACK creates a DHCPv4 Release message from ACK.
-// default Release message without any Modifer is created as following:
-//  - option Message Type is Release
-//  - ClientIP is set to ack.YourIPAddr
-//  - ClientHWAddr is set to ack.ClientHWAddr
-//  - Unicast
-//  - option Server Identifier is set to ack's ServerIdentifier
-func NewReleaseFromACK(ack *DHCPv4, modifiers ...Modifier) (*DHCPv4, error) {
-	return New(PrependModifiers(modifiers,
-		WithMessageType(MessageTypeRelease),
-		WithClientIP(ack.YourIPAddr),
-		WithHwAddr(ack.ClientHWAddr),
-		WithBroadcast(false),
-		WithOption(OptServerIdentifier(ack.ServerIdentifier())),
-	)...)
-}