srieger
/
git-virl-hs-fulda
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

sample python socket app

master
Sebastian Rieger 8 years ago
parent
fca47d9e08
commit
3fb8b72ef1
1 changed files with 315 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 315
      GIT-VIRL-HS-Fulda/Kommunikationsnetze und -protokolle (Bachelor AI)/kommprot-lab3-clientserverapp.virl

315
GIT-VIRL-HS-Fulda/Kommunikationsnetze und -protokolle (Bachelor AI)/kommprot-lab3-clientserverapp.virl
View File

@ -0,0 +1,315 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<topology xmlns="http://www.cisco.com/VIRL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" schemaVersion="0.95" xsi:schemaLocation="http://www.cisco.com/VIRL https://raw.github.com/CiscoVIRL/schema/v0.95/virl.xsd">
<extensions>
<entry key="management_network" type="String">exclusive</entry>
<entry key="AutoNetkit.enable_cdp" type="Boolean">true</entry>
</extensions>
<node name="client1" type="SIMPLE" subtype="lxc" location="340,301">
<extensions>
<entry key="config" type="String">#cloud-config&#xD;
bootcmd:&#xD;
- ln -s -t /etc/rc.d /etc/rc.local&#xD;
hostname: client&#xD;
manage_etc_hosts: true&#xD;
runcmd:&#xD;
- systemctl start rc-local&#xD;
- sed -i '/^\s*PasswordAuthentication\s\+no/d' /etc/ssh/sshd_config&#xD;
- echo "UseDNS no" &gt;&gt; /etc/ssh/sshd_config&#xD;
- service ssh restart&#xD;
- service sshd restart&#xD;
users:&#xD;
- default&#xD;
- gecos: User configured by VIRL Configuration Engine 0.23.9&#xD;
lock-passwd: false&#xD;
name: cisco&#xD;
plain-text-passwd: cisco&#xD;
shell: /bin/bash&#xD;
ssh-authorized-keys:&#xD;
- VIRL-USER-SSH-PUBLIC-KEY&#xD;
sudo: ALL=(ALL) ALL&#xD;
write_files:&#xD;
- path: /etc/systemd/system/dhclient@.service&#xD;
content: |&#xD;
[Unit]&#xD;
Description=Run dhclient on %i interface&#xD;
After=network.target&#xD;
[Service]&#xD;
Type=oneshot&#xD;
ExecStart=/sbin/dhclient %i -pf /var/run/dhclient.%i.pid -lf /var/lib/dhclient/dhclient.%i.lease&#xD;
RemainAfterExit=yes&#xD;
owner: root:root&#xD;
permissions: '0644'&#xD;
- path: /etc/rc.local&#xD;
owner: root:root&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/bin/sh&#xD;
ifconfig eth1 up 10.0.0.20 netmask 255.255.0.0&#xD;
route add -host 192.168.0.1 gw 10.0.0.1 dev eth1&#xD;
route add -net 10.0.0.0/16 gw 10.0.0.1 dev eth1&#xD;
route add default gw 10.0.0.1&#xD;
echo "nameserver 8.8.8.8" &gt;/etc/resolv.conf&#xD;
exit 0&#xD;
- path: /home/cisco/udpserver.py&#xD;
owner: cisco:cisco&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/usr/bin/python&#xD;
from socket import *&#xD;
&#xD;
# UDP Port auf dem der Server lauschen soll...&#xD;
serverPort = 17000&#xD;
&#xD;
# Server-Socket als Internet (INET) UDP (DGRAM) erzeugen und an o.g. Port binden&#xD;
serverSocket = socket(AF_INET, SOCK_DGRAM)&#xD;
serverSocket.bind(("", serverPort))&#xD;
print "UDP Server ist bereit fuer den Empfang von Daten..."&#xD;
&#xD;
# Endlosschleife&#xD;
while 1:&#xD;
# Eingehende Nachrichten von Clients empfangen&#xD;
message, clientAddress = serverSocket.recvfrom(2048)&#xD;
# Alle Buchstaben der Nachricht in Grossbuchstaben umwandeln und an den&#xD;
# Client zuruecksenden&#xD;
modifiedMessage = message.upper()&#xD;
serverSocket.sendto(modifiedMessage, clientAddress)&#xD;
- path: /home/cisco/udpclient.py&#xD;
owner: cisco:cisco&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/usr/bin/python&#xD;
from socket import *&#xD;
&#xD;
# Server-Adresse und Port&#xD;
serverName = "localhost"&#xD;
serverPort = 17000&#xD;
&#xD;
# Client Socket (IP, UDP) oeffnen&#xD;
clientSocket = socket(AF_INET, SOCK_DGRAM)&#xD;
&#xD;
# Nachricht vom Benutzer erfragen und versenden&#xD;
message = raw_input("UDP Nachricht in Kleinbuchstaben eingeben:")&#xD;
clientSocket.sendto(message,(serverName, serverPort))&#xD;
&#xD;
# Antwort des Server aus Socket lesen und ausgeben&#xD;
modifiedMessage, serverAddress = clientSocket.recvfrom(2048)&#xD;
print "Antwort des Servers: ", modifiedMessage&#xD;
raw_input("Fertig...")&#xD;
&#xD;
# Verbindung schliessen&#xD;
clientSocket.close()&#xD;
- path: /home/cisco/tcpserver.py&#xD;
owner: cisco:cisco&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/usr/bin/python&#xD;
from socket import *&#xD;
&#xD;
# TCP Port auf dem der Server lauschen soll...&#xD;
serverPort = 17000&#xD;
# Server-Socket als Internet (INET) TCP (STREAM) erzeugen und an o.g. Port binden&#xD;
serverSocket = socket(AF_INET,SOCK_STREAM)&#xD;
serverSocket.bind(("",serverPort))&#xD;
serverSocket.listen(1)&#xD;
print "TCP Server ist bereit fuer den Empfang von Daten..."&#xD;
&#xD;
# Endlosschleife&#xD;
while 1:&#xD;
# Eingehende Nachrichten akzeptieren und von Clients empfangen&#xD;
connectionSocket, addr = serverSocket.accept()&#xD;
sentence = connectionSocket.recv(1024)&#xD;
# Alle Buchstaben der Nachricht in Grossbuchstaben umwandeln und an den&#xD;
# Client zuruecksenden&#xD;
capitalizedSentence = sentence.upper()&#xD;
connectionSocket.send(capitalizedSentence)&#xD;
# Verbindung schliessen&#xD;
connectionSocket.close()&#xD;
- path: /home/cisco/tcpclient.py&#xD;
owner: cisco:cisco&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/usr/bin/python&#xD;
from socket import *&#xD;
&#xD;
# Serveradresse und TCP Port auf den der Server hoert...&#xD;
serverName = "localhost"&#xD;
serverPort = 17000&#xD;
# Socket fuer IP (INET) und TCP (STREAM) konfigurieren&#xD;
clientSocket = socket(AF_INET, SOCK_STREAM)&#xD;
clientSocket.connect((serverName,serverPort))&#xD;
&#xD;
# Nachricht vom Benutzer abfragen und an den Server senden&#xD;
sentence = raw_input("TCP Nachricht in Kleinbuchstaben eingeben:")&#xD;
clientSocket.send(sentence)&#xD;
&#xD;
# Antwort des Servers ausgeben&#xD;
modifiedSentence = clientSocket.recv(1024)&#xD;
print "Antwort des Servers:", modifiedSentence&#xD;
raw_input("Fertig...")&#xD;
&#xD;
# Verbindung schliessen&#xD;
clientSocket.close()&#xD;
</entry>
</extensions>
<interface id="0" name="eth1" ipv4="10.0.0.2" netPrefixLenV4="16"/>
</node>
<node name="server1" type="SIMPLE" subtype="lxc" location="584,301">
<extensions>
<entry key="config" type="String">#cloud-config&#xD;
bootcmd:&#xD;
- ln -s -t /etc/rc.d /etc/rc.local&#xD;
hostname: server&#xD;
manage_etc_hosts: true&#xD;
runcmd:&#xD;
- systemctl start rc-local&#xD;
- sed -i '/^\s*PasswordAuthentication\s\+no/d' /etc/ssh/sshd_config&#xD;
- echo "UseDNS no" &gt;&gt; /etc/ssh/sshd_config&#xD;
- service ssh restart&#xD;
- service sshd restart&#xD;
users:&#xD;
- default&#xD;
- gecos: User configured by VIRL Configuration Engine 0.23.9&#xD;
lock-passwd: false&#xD;
name: cisco&#xD;
plain-text-passwd: cisco&#xD;
shell: /bin/bash&#xD;
ssh-authorized-keys:&#xD;
- VIRL-USER-SSH-PUBLIC-KEY&#xD;
sudo: ALL=(ALL) ALL&#xD;
write_files:&#xD;
- path: /etc/systemd/system/dhclient@.service&#xD;
content: |&#xD;
[Unit]&#xD;
Description=Run dhclient on %i interface&#xD;
After=network.target&#xD;
[Service]&#xD;
Type=oneshot&#xD;
ExecStart=/sbin/dhclient %i -pf /var/run/dhclient.%i.pid -lf /var/lib/dhclient/dhclient.%i.lease&#xD;
RemainAfterExit=yes&#xD;
owner: root:root&#xD;
permissions: '0644'&#xD;
- path: /etc/rc.local&#xD;
owner: root:root&#xD;
permissions: '0755'&#xD;
content: |-&#xD;
#!/bin/sh&#xD;
ifconfig eth1 up 10.0.0.30 netmask 255.255.0.0&#xD;
route add -host 192.168.0.1 gw 10.0.0.1 dev eth1&#xD;
route add -net 10.0.0.0/16 gw 10.0.0.1 dev eth1&#xD;
route add default gw 10.0.0.1&#xD;
echo "nameserver 8.8.8.8" &gt;/etc/resolv.conf&#xD;
exit 0&#xD;
</entry>
</extensions>
<interface id="0" name="eth1" ipv4="10.0.0.3" netPrefixLenV4="16"/>
</node>
<node name="switch1" type="SIMPLE" subtype="Unmanaged Switch" location="446,227">
<interface id="0" name="link1"/>
<interface id="1" name="link2"/>
<interface id="2" name="link3"/>
</node>
<node name="router1" type="SIMPLE" subtype="IOSv" location="446,106">
<extensions>
<entry key="AutoNetkit.mgmt_ip" type="string"></entry>
<entry key="Auto-generate config" type="Boolean">false</entry>
<entry key="config" type="String">! IOS Config generated on 2016-12-05 08:28&#xD;
! by autonetkit_0.23.5&#xD;
!&#xD;
hostname router1&#xD;
boot-start-marker&#xD;
boot-end-marker&#xD;
!&#xD;
vrf definition Mgmt-intf&#xD;
!&#xD;
address-family ipv4&#xD;
exit-address-family&#xD;
!&#xD;
address-family ipv6&#xD;
exit-address-family&#xD;
!&#xD;
!&#xD;
!&#xD;
no aaa new-model&#xD;
!&#xD;
!&#xD;
ip cef&#xD;
ipv6 unicast-routing&#xD;
ipv6 cef&#xD;
!&#xD;
!&#xD;
service timestamps debug datetime msec&#xD;
service timestamps log datetime msec&#xD;
no service password-encryption&#xD;
no service config&#xD;
enable password cisco&#xD;
ip classless&#xD;
ip subnet-zero&#xD;
no ip domain lookup&#xD;
ip domain name virl.info&#xD;
crypto key generate rsa modulus 768&#xD;
ip ssh server algorithm authentication password&#xD;
username cisco privilege 15 secret cisco&#xD;
line vty 0 4&#xD;
transport input ssh telnet&#xD;
exec-timeout 720 0&#xD;
password cisco&#xD;
login local&#xD;
line con 0&#xD;
password cisco&#xD;
!&#xD;
cdp run&#xD;
!&#xD;
!&#xD;
interface Loopback0&#xD;
description Loopback&#xD;
ip address 192.168.0.1 255.255.255.255&#xD;
!&#xD;
interface GigabitEthernet0/0&#xD;
description OOB Management&#xD;
vrf forwarding Mgmt-intf&#xD;
! Configured on launch&#xD;
no ip address&#xD;
cdp enable&#xD;
duplex full&#xD;
speed auto&#xD;
no shutdown&#xD;
!&#xD;
interface GigabitEthernet0/1&#xD;
description to Internet&#xD;
no ip address&#xD;
ip nat outside&#xD;
cdp enable&#xD;
duplex full&#xD;
speed auto&#xD;
no shutdown&#xD;
!&#xD;
interface GigabitEthernet0/2&#xD;
description to switch1&#xD;
ip address 10.0.0.1 255.255.0.0&#xD;
ip nat inside&#xD;
cdp enable&#xD;
ip ospf cost 1&#xD;
duplex full&#xD;
speed auto&#xD;
no shutdown&#xD;
!&#xD;
! NAT stuff&#xD;
!&#xD;
ip nat inside source list 1 interface GigabitEthernet0/1 overload&#xD;
ip route 0.0.0.0 0.0.0.0 172.16.1.1&#xD;
access-list 1 permit 10.0.0.0 0.0.255.255&#xD;
!&#xD;
end</entry>
</extensions>
<interface id="0" name="GigabitEthernet0/1"/>
<interface id="1" name="GigabitEthernet0/2" ipv4="10.0.0.1" netPrefixLenV4="16"/>
</node>
<node name="Internet" type="ASSET" subtype="FLAT" location="337,55">
<interface id="0" name="link0"/>
</node>
<annotations/>
<connection dst="/virl:topology/virl:node[4]/virl:interface[1]" src="/virl:topology/virl:node[5]/virl:interface[1]"/>
<connection dst="/virl:topology/virl:node[3]/virl:interface[1]" src="/virl:topology/virl:node[4]/virl:interface[2]"/>
<connection dst="/virl:topology/virl:node[1]/virl:interface[1]" src="/virl:topology/virl:node[3]/virl:interface[2]"/>
<connection dst="/virl:topology/virl:node[2]/virl:interface[1]" src="/virl:topology/virl:node[3]/virl:interface[3]"/>
</topology>
Write Preview
Loading…
Cancel
Save