chatClient.cc

Example of SocketGroup

#include <iostream>
#include <string>
#include <string.h>

using namespace std;

#include <netlink/socket.h>
#include <netlink/socket_group.h>

const string HOST = "localhost";
const unsigned SERVER_PORT = 5000;

bool disconnect = false;


class OnRead: public NL::SocketGroupCmd {

        void exec(NL::Socket* socket, NL::SocketGroup* group, void* reference) {

                char buffer[256];
                buffer[255] = '\0';
                socket->read(buffer, 255);
                cout << "\nReceived message: " << buffer;
        }
};

class OnDisconnect: public NL::SocketGroupCmd {

        void exec(NL::Socket* socket, NL::SocketGroup* group, void* reference) {

                disconnect = true;
        }
};


int main() {

        cout << "\nConnecting...";
        cout.flush();

        try {

                NL::init();

                NL::Socket socket(HOST, SERVER_PORT);

                NL::SocketGroup group;
                group.add(&socket);

                OnRead onRead;
                OnDisconnect onDisconnect;

                group.setCmdOnRead(&onRead);
                group.setCmdOnDisconnect(&onDisconnect);

                while(!disconnect) {

                        char input[256];
                        input[255] = '\0';
                        cout << "\n--> ";
                        cin.getline(input, 255);

                        if(!strcmp(input, "exit"))
                                disconnect = true;
                        else
                                socket.send(input, strlen(input)+1);

                        group.listen(500);
                }

        }

        catch(NL::Exception e) {

                cout << "\n***ERROR*** " << e.what();
        }

}