RosettaCodeData/Task/Distributed-programming/D/distributed-programming-1.d

39 lines
1.1 KiB
D

module distributedserver ;
import tango.net.ServerSocket, tango.text.convert.Integer,
tango.text.Util, tango.io.Stdout ;
void main() {
auto Ip = new InternetAddress("localhost", 12345) ;
auto server = new ServerSocket(Ip) ;
auto socket = server.accept ;
auto buffer = new char[socket.bufferSize] ;
bool quit = false ;
while(!quit) {
bool error = false ;
try {
auto len = socket.input.read(buffer) ;
auto cmd = (len > 0) ? delimit(buffer[0..len], " ") : [""] ;
Stdout(cmd).newline.flush ;
switch (cmd[0]) {
case "square":
socket.output.write(toString(toInt(cmd[1]) * toInt(cmd[1]))) ; break ;
case"add":
socket.output.write(toString(toInt(cmd[1]) + toInt(cmd[2]))) ; break ;
case "quit":
socket.output.write("Server Shut down") ;
quit = true ; break ;
default: error = true ;
}
} catch (Exception e)
error = true ;
if(error) socket.output.write("<Error>") ;
if(socket) socket.close ;
if(!quit) socket = server.accept ;
}
if(socket) socket.close ;
}