1 files changed, 54 insertions, 0 deletions
diff --git a/dhcpv4/bsdp/bsdp_option_machine_name.go b/dhcpv4/bsdp/bsdp_option_machine_name.go
new file mode 100644
index 0000000..42e29d8
--- /dev/null
+++ b/dhcpv4/bsdp/bsdp_option_machine_name.go
@@ -0,0 +1,54 @@
+// +build darwin
+
+package bsdp
+
+import (
+	"fmt"
+
+	"github.com/insomniacslk/dhcp/dhcpv4"
+)
+
+// Implements the BSDP option machine name, which gives the Netboot server's
+// machine name.
+
+// OptMachineName represents a BSDP message type.
+type OptMachineName struct {
+	Name string
+}
+
+// ParseOptMachineName constructs an OptMachineName struct from a sequence of
+// bytes and returns it, or an error.
+func ParseOptMachineName(data []byte) (*OptMachineName, error) {
+	if len(data) < 2 {
+		return nil, dhcpv4.ErrShortByteStream
+	}
+	code := dhcpv4.OptionCode(data[0])
+	if code != OptionMachineName {
+		return nil, fmt.Errorf("expected option %v, got %v instead", OptionMachineName, code)
+	}
+	length := int(data[1])
+	if len(data) < length+2 {
+		return nil, fmt.Errorf("expected length %d, got %d instead", length, len(data))
+	}
+	return &OptMachineName{Name: string(data[2 : length+2])}, nil
+}
+
+// Code returns the option code.
+func (o *OptMachineName) Code() dhcpv4.OptionCode {
+	return OptionMachineName
+}
+
+// ToBytes returns a serialized stream of bytes for this option.
+func (o *OptMachineName) ToBytes() []byte {
+	return append([]byte{byte(o.Code()), byte(o.Length())}, []byte(o.Name)...)
+}
+
+// String returns a human-readable string for this option.
+func (o *OptMachineName) String() string {
+	return "BSDP Machine Name -> " + o.Name
+}
+
+// Length returns the length of the data portion of this option.
+func (o *OptMachineName) Length() int {
+	return len(o.Name)
+}