src/tests/kits/bluetooth/l2capClient/l2capClient.cpp

   1 /*
   2  * Copyright 2010 Oliver Ruiz Dorantes, oliver.ruiz.dorantes_at_gmail.com
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  *
   5  */
   6 #include <stddef.h>
   7 #include <stdio.h>
   8 #include <unistd.h>
   9 #include <errno.h>
  10 #include <stdlib.h>
  11 #include <sys/socket.h>
  12
  13 #include <bluetooth/bluetooth.h>
  14 #include <bluetooth/bdaddrUtils.h>
  15 #include <bluetooth/L2CAP/btL2CAP.h>
  16
  17 int
  18 CreateL2capSocket(const bdaddr_t* bdaddr, struct sockaddr_l2cap& l2sa, uint16 psm)
  19 {
  20         int sock;
  21         size_t size;
  22         status_t error;
  23
  24         /* Create the socket. */
  25         printf("Creating socket ...\n");
  26
  27         sock = socket(PF_BLUETOOTH, SOCK_STREAM, BLUETOOTH_PROTO_L2CAP);
  28         if (sock < 0) {
  29                 perror ("socket");
  30                 exit (EXIT_FAILURE);
  31         }
  32
  33         /* Bind a name to the socket. */
  34         printf("Binding socket ...\n");
  35
  36         size = sizeof(struct sockaddr_l2cap);
  37
  38         l2sa.l2cap_family = PF_BLUETOOTH;
  39         l2sa.l2cap_len = size;
  40         memcpy(&l2sa.l2cap_bdaddr, bdaddr, sizeof(bdaddr_t));
  41     l2sa.l2cap_psm = psm;
  42
  43         if (bind(sock, (struct sockaddr *)&l2sa, size) < 0) {
  44                 perror ("bind");
  45                 exit (EXIT_FAILURE);
  46         }
  47
  48         printf("Connecting socket for %s\n", bdaddrUtils::ToString(*bdaddr));
  49         if ((error = connect(sock, (struct sockaddr *)&l2sa, sizeof(l2sa))) < 0) {
  50                 perror ("connect");
  51                 exit (EXIT_FAILURE);
  52         }
  53
  54         printf("Return status of the connection is %ld \n", error );
  55
  56         return sock;
  57 }
  58
  59 int main(int argc, char **argv)
  60 {
  61         struct sockaddr_l2cap l2sa;
  62         char string[512];
  63         size_t len;
  64         uint16 psm = 1;
  65
  66         if (argc < 2 ) {
  67                 printf("I need a bdaddr!\nUsage:\n\t%s bluetooth_address [psm]\n",
  68                         argv[0]);
  69                 return 0;
  70         }
  71
  72         if (argc > 2) {
  73                 psm = atoi(argv[2]);
  74                 printf("PSM requested %d\n", psm);
  75         }
  76
  77         if ((psm & 1) == 0)
  78                 printf("WARNING: PSM requested is not pair\n");
  79
  80         const bdaddr_t bdaddr = bdaddrUtils::FromString(argv[1]);
  81
  82         int sock = CreateL2capSocket(&bdaddr, l2sa, psm);
  83
  84         while (strcmp(string,"bye") != 0) {
  85
  86                 fscanf(stdin, "%s", string);
  87                 len = sendto(sock, string, strlen(string) + 1 /*\0*/, 0,
  88                         (struct sockaddr*) &l2sa, sizeof(struct sockaddr_l2cap));
  89
  90
  91                 printf("Sent %ld bytes\n", len);
  92
  93                 // len = send(sock, string + 1 /*\0*/, strlen(string), 0);
  94                 // recvfrom(sock, buff, 4096-1, 0, (struct sockaddr *)  &l2, &len);
  95         }
  96
  97         printf("Transmission done ... (press key to close socket)\n");
  98         getchar();
  99         getchar();
 100         printf("Closing ... \n");
 101         close(sock);
 102 }