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#1752 - Changed DNSReply and DNSResponse to have 1 parameter only

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This commit is contained in:
SunilSamra
2023-08-21 14:11:53 +01:00
parent a0b258a597
commit 1a13af2f5e
4 changed files with 41 additions and 67 deletions
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62
src/primaite/simulator/network/protocols/dns.py
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@@ -5,38 +5,13 @@ from typing import Optional
from pydantic import BaseModel
"""
class DNSEntry(BaseModel):
Represents an entry in the DNS cache.
:param domain_name: The domain name which a node would like to access.
:param ip_address: The IP address through which the domain name is reachable.
domain_name: str
ip_address: IPv4Address
"""
class DNSRequest(BaseModel):
"""Represents a DNS Request packet of a network frame.
:param sender_mac_addr: Sender MAC address.
:param sender_ip: Sender IP address.
:param target_mac_addr: Target MAC address.
:param target_ip: Target IP address.
:param domain_name_request: Domain Name Request for IP address.
"""
sender_mac_addr: str
"Sender MAC address."
sender_ip: IPv4Address
"Sender IP address."
target_mac_addr: Optional[str] = None
"Target MAC address of the DNS Server."
target_ip: IPv4Address
"Target IP address of the DNS Server."
domain_name_request: str
"Domain Name Request for IP address."
@@ -44,21 +19,9 @@ class DNSRequest(BaseModel):
class DNSReply(BaseModel):
"""Represents a DNS Reply packet of a network frame.
:param sender_mac_addr: Sender MAC address.
:param sender_ip: Sender IP address.
:param target_mac_addr: Target MAC address of DNS Client.
:param target_ip: Target IP address of DNS Client.
:param domain_name_ip_address: IP Address of the Domain Name requested.
"""
sender_mac_addr: str
"Sender MAC address."
sender_ip: IPv4Address
"Sender IP address."
target_mac_addr: Optional[str] = None
"Target MAC address of the DNS Server."
target_ip: IPv4Address
"Target IP address of the DNS Server."
domain_name_ip_address: IPv4Address
"IP Address of the Domain Name requested."
@@ -73,15 +36,12 @@ class DNSPacket(BaseModel):
:Example:
>>> dns_request = DNSPacket(
... dns_request=DNSRequest(sender_mac_addr="aa:bb:cc:dd:ee:ff", sender_ip = IPv4Address("192.168.0.1"),
... target_ip = IPv4Address("192.168.0.2"), domain_name_request="www.google.co.uk"),
... domain_name_request=DNSRequest(domain_name_request="www.google.co.uk"),
... dns_reply=None
... )
>>> dns_response = DNSPacket(
... dns_request=DNSRequest(sender_mac_addr="aa:bb:cc:dd:ee:ff", sender_ip = IPv4Address("192.168.0.1"),
... target_ip = IPv4Address("192.168.0.2"), domain_name_request="www.google.co.uk"),
... dns_reply=DNSReply(sender_mac_addr="gg:hh:ii:jj:kk:ll", sender_ip = IPv4Address("192.168.0.2"),
... target_ip = IPv4Address("192.168.0.1"), domain_name_ip_address=IPv4Address("142.250.179.227"))
... dns_request=DNSRequest(domain_name_request="www.google.co.uk"),
... dns_reply=DNSReply(domain_name_ip_address=IPv4Address("142.250.179.227"))
... )
"""
@@ -97,18 +57,6 @@ class DNSPacket(BaseModel):
:return: A new instance of DNSPacket.
"""
return DNSPacket(
dns_request=DNSRequest(
sender_mac_addr=self.dns_request.sender_mac_addr,
sender_ip=self.dns_request.sender_ip,
target_mac_addr=self.dns_request.target_mac_addr,
target_ip=self.dns_request.target_ip,
domain_name_request=self.dns_request.domain_name_request,
),
dns_reply=DNSReply(
sender_mac_addr=self.dns_request.target_mac_addr,
sender_ip=self.dns_request.target_ip,
target_mac_addr=self.dns_request.sender_mac_addr,
target_ip=self.dns_request.sender_ip,
domain_name_ip_address=domain_ip_address,
),
dns_request=DNSRequest(domain_name_request=self.dns_request.domain_name_request),
dns_reply=DNSReply(domain_name_ip_address=domain_ip_address),
)