pancap/protocol/dhcpv4/request.go

package dhcpv4

import (
	"fmt"
	"github.com/maride/pancap/common"
	"github.com/google/gopacket/layers"
)

// Processes the DHCP request packet handed over
func (p *Protocol) processRequestPacket(dhcppacket layers.DHCPv4) {
	p.requestMAC = common.AppendIfUnique(dhcppacket.ClientHWAddr.String(), p.requestMAC)
}

// Generates the summary of all DHCP request packets
func (p *Protocol) generateRequestSummary() string {
	reqAmount := len(p.requestMAC)

	// Check if there were requests
	if reqAmount == 0 {
		// No, don't print a summary then.
		return ""
	}

	return fmt.Sprintf("%d unique DHCP requests\n%s", reqAmount, common.GenerateTree(p.requestMAC))
}