1 /**

     2  * bluetooth.c

     3  * Copyright (C) 2010 Markus Bröker

     4  */

     5 

     6 #include <stdio.h>

     7 #include <stdlib.h>

     8 #include <unistd.h>

     9 #include <sys/socket.h>

    10 #include <bluetooth/bluetooth.h>

    11 #include <bluetooth/rfcomm.h>

    12 

    13 int main (int argc, char **argv)

    14 {

    15     struct sockaddr_rc loc_addr = { 0 }, rem_addr = {

    16     0};

    17     char buf[1024] = { 0 };

    18     int s, client, bytes_read;

    19     socklen_t opt = sizeof (rem_addr);

    20 

    21     // allocate socket

    22     s = socket (AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);

    23 

    24     // bind socket to port 1 of the first available

    25     // local bluetooth adapter

    26     loc_addr.rc_family = AF_BLUETOOTH;

    27     loc_addr.rc_bdaddr = *BDADDR_ANY;

    28     loc_addr.rc_channel = (uint8_t) 1;

    29     bind (s, (struct sockaddr *)&loc_addr, sizeof (loc_addr));

    30 

    31     // put socket into listening mode

    32     listen (s, 1);

    33 

    34     // accept one connection

    35     client = accept (s, (struct sockaddr *)&rem_addr, &opt);

    36 

    37     ba2str (&rem_addr.rc_bdaddr, buf);

    38     fprintf (stderr, "accepted connection from %s\n", buf);

    39     memset (buf, 0, sizeof (buf));

    40 

    41     // read data from the client

    42     bytes_read = read (client, buf, sizeof (buf));

    43     if (bytes_read > 0) {

    44         printf ("received [%s]\n", buf);

    45     }

    46     // close connection

    47     close (client);

    48     close (s);

    49 

    50     return EXIT_SUCCESS;

    51 }