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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2014 Simon Newton
*/
//! [UDP Server] NOLINT(whitespace/comments)
#include <ola/Logging.h>
#include <ola/base/Array.h>
#include <ola/io/SelectServer.h>
#include <ola/network/Socket.h>
#include <ola/network/SocketAddress.h>
using ola::network::IPV4Address;
using ola::network::IPV4SocketAddress;
using ola::network::UDPSocket;
// The port to listen on.
static const unsigned int PORT = 12345;
// Called when a UDP datagram arrives.
void ReceiveMessage(UDPSocket *socket) {
ola::network::IPV4SocketAddress client;
uint8_t data[1500];
ssize_t data_size = arraysize(data);
if (socket->RecvFrom(data, &data_size, &client)) {
OLA_INFO << "Received " << data_size << " bytes from " << client;
} else {
OLA_WARN << "Recv failure";
}
}
int main() {
ola::InitLogging(ola::OLA_LOG_INFO, ola::OLA_LOG_STDERR);
IPV4SocketAddress listen_address(IPV4Address::WildCard(), PORT);
UDPSocket udp_socket;
if (!udp_socket.Init()) {
return -1;
}
if (!udp_socket.Bind(listen_address)) {
return -1;
}
udp_socket.SetOnData(ola::NewCallback(&ReceiveMessage, &udp_socket));
ola::io::SelectServer ss;
ss.AddReadDescriptor(&udp_socket);
ss.Run();
}
//! [UDP Server] NOLINT(whitespace/comments)
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