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Simple UDP connection that transfers message using packets
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Topic: Simple UDP connection that transfers message using packets (Read 3458 times)
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paupav
Full Member
Posts: 156
Simple UDP connection that transfers message using packets
«
on:
January 02, 2016, 11:36:43 pm »
So, I don't know why this isn't working. I've read some documentation and I've made this code. Both server and client are ran on the same machine.
SERVER
(click to show/hide)
///////SERVER
#include <iostream>
#include <SFML/Network.hpp>
#include <string>
using namespace std;
int main()
{
sf::UdpSocket socket;
sf::Packet packet;
sf::Time time;
sf::Clock clock;
int i = 0;
std::string hello = "Hello World!";
packet << hello;
// bind the socket to a port
socket.bind(4000);
sf::IpAddress recipient = sf::IpAddress::getPublicAddress();
unsigned short port = 5400;
while(i == 0)
{
time = clock.getElapsedTime();
if(time.asSeconds() >= 2)
{
std::cout << "Sent to: " << recipient << ":" << port << std::endl;
clock.restart();
socket.send(packet, recipient, port);
}
}
std::cout << "Adress: " << recipient << std::endl;
return 0;
}
CLIENT:
(click to show/hide)
/////////////CLIENT
#include <iostream>
#include <SFML/Network.hpp>
#include <string>
int main()
{
sf::UdpSocket socket;
sf::Packet packet;
sf::IpAddress sender;
unsigned short senderPort, socketPort;
socketPort = 5400;
socket.bind(socketPort);
std::string hello;
std::cout << sf::IpAddress::getPublicAddress() <<":"<< socketPort << std::endl;
socket.receive(packet, sender, senderPort);
packet >> hello;
std::cout << "received: " << hello << std::endl;
}
«
Last Edit: January 02, 2016, 11:48:03 pm by paupav
»
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Laurent
Administrator
Hero Member
Posts: 32504
Re: Simple UDP connection that transfers message using packets
«
Reply #1 on:
January 03, 2016, 09:56:38 am »
Using your public IP, the packet will go through your router, the public internet and then back to your router and finally to your PC. So it will most likely be blocked.
If you run it locally, either use your private address or localhost.
Logged
Laurent Gomila - SFML developer
paupav
Full Member
Posts: 156
Re: Simple UDP connection that transfers message using packets
«
Reply #2 on:
January 03, 2016, 04:04:22 pm »
Thanks
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Simple UDP connection that transfers message using packets
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