Added Linux Test

client_linux_test.go

@@ -0,0 +1,92 @@
+package dhcp4client_test
+
+import (
+	"log"
+	"net"
+	"testing"
+	"syscall"
+
+	"github.com/d2g/dhcp4"
+	"github.com/d2g/dhcp4client"
+)
+
+//Example Client
+func Test_ExampleLinuxClient(test *testing.T) {
+	var err error
+
+	m, err := net.ParseMAC("08-00-27-00-A8-E8")
+	if err != nil {
+		log.Printf("MAC Error:%v\n", err)
+	}
+
+	//Create a connection to use
+	c, err := dhcp4client.NewPacketSock(2)
+	if err != nil {
+		test.Error("Client Connection Generation:" + err.Error())
+	}
+	defer c.Close()
+
+	exampleClient, err := dhcp4client.New(dhcp4client.HardwareAddr(m), dhcp4client.Connection(c))
+	if err != nil {
+		test.Fatalf("Error:%v\n", err)
+	}
+	defer exampleClient.Close()
+
+	success := false
+
+	discoveryPacket, err := exampleClient.SendDiscoverPacket()
+	test.Logf("Discovery:%v\n", discoveryPacket)
+
+	if err != nil {
+		sc, ok := err.(syscall.Errno)
+		if ok {
+			//Don't report a network down
+			if sc != syscall.ENETDOWN {
+				test.Fatalf("Discovery Error:%v\n", err)
+			}
+		} else {
+			test.Fatalf("Discovery Error:%v\n", err)
+		}
+
+	}
+
+	offerPacket, err := exampleClient.GetOffer(&discoveryPacket)
+	if err != nil {
+		test.Fatalf("Offer Error:%v\n", err)
+	}
+
+	requestPacket, err := exampleClient.SendRequest(&offerPacket)
+	if err != nil {
+		test.Fatalf("Send Offer Error:%v\n", err)
+	}
+
+	acknowledgementpacket, err := exampleClient.GetAcknowledgement(&requestPacket)
+	if err != nil {
+		test.Fatalf("Get Ack Error:%v\n", err)
+	}
+
+	acknowledgementOptions := acknowledgementpacket.ParseOptions()
+	if dhcp4.MessageType(acknowledgementOptions[dhcp4.OptionDHCPMessageType][0]) != dhcp4.ACK {
+		test.Fatalf("Not Acknoledged")
+	} else {
+		success = true
+	}
+
+	test.Logf("Packet:%v\n", acknowledgementpacket)
+
+	if err != nil {
+		networkError, ok := err.(net.Error)
+		if ok && networkError.Timeout() {
+			test.Log("Test Skipping as it didn't find a DHCP Server")
+			test.SkipNow()
+		}
+		test.Fatalf("Error:%v\n", err)
+	}
+
+	if !success {
+		test.Error("We didn't sucessfully get a DHCP Lease?")
+	} else {
+		log.Printf("IP Received:%v\n", acknowledgementpacket.YIAddr().String())
+	}
+
+}