Dhcp Transmitter Module

This module implements the Dhcp Transmitter class providing all functionality to send DHCP messages.

class mtf.network_port.dhcp_transmitter.DhcpTransmitter

Transmit DHCP messages on an Ethernet network.

message_queue

__init__()

Creates a new instance.

Returns:

DhcpTransmitter: The newly created instance.

ip_to_int(ip)

Converts an IPv4 address to an integer.

Args:

ip (str): The string representation of the given IPv4 address.

Returns:

int: The int representation of the given IPv4 address.

send_dhcp_msg(channel_name: str, client_ip: str, server_ip: str, mac_client: str, subnet_mask: str, xid: int, type: int, lease_time: int = None)

Sends a DHCP message using an Ethernet transmitter.

Args:

channel_name (str): The channel to send the message over. client_ip (str): The client’s IP address. server_ip (str): The server’s IP address. mac_client (str): The client’s MAC address. subnet_mask (str): The subnet mask of the network. xid (int): The xID. type (int): The message type. lease_time (int, optional): The lease time.

Returns:

bool: True on success, False otherwise.

send_dhcp_ack(channel_name: str, client_ip: str, server_ip: str, mac_client: str, subnet_mask: str, xid: int, lease_time: int = None)

Sends a DHCP ACK message using the given parameters.

Args:

channel_name (str): The channel to send the ACK over. client_ip (str): The client’s IP address. server_ip (str): The server’s IP address. mac_client (str): The client’s MAC address. subnet_mask (str): The subnet mask of the network. xid (int): The xID. lease_time (int, optional): The lease time.

Returns:

bool: True if the message was successfully sent; otherwise False.

send_dhcp_offer(channel_name: str, client_ip: str, server_ip: str, mac_client: str, subnet_mask: str, xid: int, lease_time: int = None)

Sends a DHCP OFFER message.

Args:

channel_name (str): The chanel to send te message over. client_ip (str): The client’s IP address. server_ip (str): The server’s IP address. mac_client (str): The client’s MAC address. subnet_mask (str): The subnet mask of the network. xid (int): The xID. lease_time (int, optional): The lease time.

Returns:

bool: True if the message was successfully sent; otherwise False.