#include <iostream>
#include <unistd.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>

int main(int argc, char **argv)
{
    struct sockaddr_rc loc_addr = { 0 }, rem_addr = { 0 };
    struct hci_dev_info di;
    char buf[1024] = { 0 };
    int s, client, bytes_read;
    socklen_t opt = sizeof(rem_addr);
    char address[18] = "XX:XX:XX:XX:XX:XX";
    // allocate socket
    if(argc < 2)
        {
                cout << "Usage:\n<0/1> BTdevice" << endl;
                exit(0);
        }
    s = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
	{
                perror("socket");
        }
 if(hci_devinfo(0, &di) < 0)
        {
                perror("HCI device info failed");
                exit(1);
        }
        cout << "Local device: " << batostr(&di.bdaddr)) << endl;
	laddr.rc_family = AF_BLUETOOTH;
        laddr.rc_bdaddr = di.bdaddr;
        laddr.rc_channel = 2;

    // bind socket to port 1 of the first available 
    // local bluetooth adapter
    bind(s, (struct sockaddr *)&loc_addr, sizeof(loc_addr));
	{
                perror("bind");
                exit(1);
        }
    // put socket into listening mode
    listen(s, 1);

    // accept one connection
    client = accept(s, (struct sockaddr *)&rem_addr, &opt);

    ba2str( &rem_addr.rc_bdaddr, buf );
    uuuuustderr, "accepted connection from %s\n", buf);
    memset(buf, 0, sizeof(buf));

    // read data from the client
    bytes_read = read(client, buf, sizeof(buf));
    if( bytes_read > 0 ) {
        printf("received [%s]\n", buf);
    }

    // close connection
    close(client);
    close(s);
    return 0;
}