User

import socket

import udpconnection as UDP

def create$\_$html$\_$response$($content$)$:

return f$"""$HTTP$/1\mathrm{.}1200$ OK

Content$-$Type: text$/$html

$\{$content$\}$

$"""$

def get$\_$destination$\_$station$($requested$\_$data$)$:

first$\_$line $=$ requested$\_$data.split$(\text{'}$

$\text{'})[0]$

#print$($first$\_$line$)$

path $=$ first$\_$line.split$()[1]$

query$\_$start$\_$index $=$ path.find$(\text{'}?\text{'})$

if query$\_$start$\_$index $!=-1$:

query$\_$string $=$ path$[$query$\_$start$\_$index $+1$:$]$

# Split the query string to get individual parameters

parameters $=$ query$\_$string.split$(\text{'}$&$\text{'})$

# Find the parameter with key $\text{'}$to$\text{'}$

for param in parameters:

key, value $=$ param.split$(\text{'}=\text{'})$

if key $==\text{'}$to$\text{'}$:

return value

return None

def run$\_$server$($host$,$ browser$\_$port, query$\_$port, neighbours, current$\_$host$\_$name$)$:

with socket.socket$($socket$.$AF$\_$INET, socket.SOCK$\_$STREAM$)$ as server$\_$socket:

server$\_$socket.bind$(($host$,$ browser$\_$port$))$

server$\_$socket.listen$()$

print$($f$"$Server listening on $\{$host$\}$:$\{$browser$\_$port$\}")$

while True:

client$\_$socket, client$\_$address $=$ server$\_$socket.accept$()$

print$($f$"$Connection from $\{$client$\_$address$\}")$

with client$\_$socket:

while True:

request$\_$data $=$ client$\_$socket.recv$(1024).$decode$(\text{'}$utf$-8\text{'})$

if not request$\_$data:

break # Break the inner loop if no data received

destination$\_$station $=$ get$\_$destination$\_$station$($request$\_$data$)$

# Send UDP message

# send$\_$udp$\_$message$($destination$\_$station, "localhost", $5005)$

# Send station to all connected neighbours

# for neighbour in neighbours:

# neighbour$\_$port $=$ neighbours$[$neighbour$]$

# send$\_$udp$\_$message$($destination$\_$station, "localhost", neighbour$\_$port$)$

answer $=$ UDP.flood$\_$network$($destination$\_$station, neighbours, query$\_$port, query$\_$port, current$\_$host$\_$name$)$

html$\_$content $=$ f$"""$