LeOS-Genesis/external/badvpn/ncd/examples/tcp_echo_client.ncd

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process main {
getargs() args;
value(args) args;
num_different(args.length, "2") bad_args;
If (bad_args) {
println("bad arguments");
exit("1");
};
args->get("0") addr_ip;
args->get("1") addr_port;
sys.connect({"tcp", {"ipv4", addr_ip, addr_port}}) socket;
If (socket.is_error) {
println("connection error!");
exit("1");
};
println("connected");
socket->write("This echo client is implemented in NCD!\n\n");
backtrack_point() recv_point;
socket->read() data;
If (data.not_eof) {
socket->write(data);
recv_point->go();
};
println("server disconnected");
exit("0");
}