RosettaCodeData/Task/Hello-world-Web-server/Perl/hello-world-web-server-1.pl

26 lines
1.0 KiB
Perl

use Socket;
my $port = 8080;
my $protocol = getprotobyname( "tcp" );
socket( SOCK, PF_INET, SOCK_STREAM, $protocol ) or die "couldn't open a socket: $!";
# PF_INET to indicate that this socket will connect to the internet domain
# SOCK_STREAM indicates a TCP stream, SOCK_DGRAM would indicate UDP communication
setsockopt( SOCK, SOL_SOCKET, SO_REUSEADDR, 1 ) or die "couldn't set socket options: $!";
# SOL_SOCKET to indicate that we are setting an option on the socket instead of the protocol
# mark the socket reusable
bind( SOCK, sockaddr_in($port, INADDR_ANY) ) or die "couldn't bind socket to port $port: $!";
# bind our socket to $port, allowing any IP to connect
listen( SOCK, SOMAXCONN ) or die "couldn't listen to port $port: $!";
# start listening for incoming connections
while( accept(CLIENT, SOCK) ){
print CLIENT "HTTP/1.1 200 OK\r\n" .
"Content-Type: text/html; charset=UTF-8\r\n\r\n" .
"<html><head><title>Goodbye, world!</title></head><body>Goodbye, world!</body></html>\r\n";
close CLIENT;
}