remove autogenerated file

[librfid] / src / rfid_layer2.c

diff --git a/src/rfid_layer2.c b/src/rfid_layer2.c
index c1ab6a6..4cad6c3 100644 (file)
--- a/src/rfid_layer2.c
+++ b/src/rfid_layer2.c
@@ -1,5 +1,5 @@
 /* librfid - layer 2 protocol handler 
- * (C) 2005 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2005-2006 by Harald Welte <laforge@gnumonks.org>
  */
 
 /*
@@ -14,63 +14,132 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <errno.h>
+#include <string.h> /* for memcpy */
 
-#include <rfid/rfid.h>
-#include <rfid/rfid_layer2.h>
+#include <librfid/rfid.h>
+#include <librfid/rfid_layer2.h>
 
-static struct rfid_layer2 *rfid_layer2_list;
+static const struct rfid_layer2 *rfid_layer2s[] = {
+       [RFID_LAYER2_ISO14443A] = &rfid_layer2_iso14443a,
+       [RFID_LAYER2_ISO14443B] = &rfid_layer2_iso14443b,
+       [RFID_LAYER2_ISO15693]  = &rfid_layer2_iso15693,
+};
 
 struct rfid_layer2_handle *
 rfid_layer2_init(struct rfid_reader_handle *rh, unsigned int id)
 {
        struct rfid_layer2 *p;
 
-       for (p = rfid_layer2_list; p; p = p->next)
-               if (p->id == id)
-                       return p->fn.init(rh);
+       if (id >= ARRAY_SIZE(rfid_layer2s)) {
+               DEBUGP("unable to find matching layer2 protocol\n");
+               return NULL;
+       }
 
-       DEBUGP("unable to find matching layer2 protocol\n");
-       return NULL;
+       p = rfid_layer2s[id];
+       return p->fn.init(rh);
 }
 
 int
 rfid_layer2_open(struct rfid_layer2_handle *ph)
 {
+       if (!ph->l2->fn.open)
+               return 0;
+
        return ph->l2->fn.open(ph);
 }
 
 int
-rfid_layer2_transcieve(struct rfid_layer2_handle *ph,
+rfid_layer2_transceive(struct rfid_layer2_handle *ph,
                        enum rfid_frametype frametype,
                         const unsigned char *tx_buf, unsigned int len,
                         unsigned char *rx_buf, unsigned int *rx_len,
                         u_int64_t timeout, unsigned int flags)
 {
-       return ph->l2->fn.transcieve(ph, frametype, tx_buf, len, rx_buf,
+       if (!ph->l2->fn.transceive)
+               return -EIO;
+
+       return ph->l2->fn.transceive(ph, frametype, tx_buf, len, rx_buf,
                                     rx_len, timeout, flags);
 }
 
 int rfid_layer2_fini(struct rfid_layer2_handle *ph)
 {
+       if (!ph->l2->fn.fini)
+               return 0;
+
        return ph->l2->fn.fini(ph);
 }
 
 int
 rfid_layer2_close(struct rfid_layer2_handle *ph)
 {
+       if (!ph->l2->fn.close)
+               return 0;
+
        return ph->l2->fn.close(ph);
 }
 
 int
-rfid_layer2_register(struct rfid_layer2 *p)
+rfid_layer2_getopt(struct rfid_layer2_handle *ph, int optname,
+                  void *optval, unsigned int *optlen)
+{
+       if (optname >> 16 == 0) {
+               unsigned char *optchar = optval;
+
+               switch (optname) {
+               case RFID_OPT_LAYER2_UID:
+                       if (ph->uid_len < *optlen)
+                               *optlen = ph->uid_len;
+                       memcpy(optchar, ph->uid, *optlen);
+                       break;
+               default:
+                       return -EINVAL;
+                       break;
+               }
+       } else {
+               if (!ph->l2->fn.getopt)
+                       return -EINVAL;
+
+               return ph->l2->fn.getopt(ph, optname, optval, optlen);
+       }
+       return 0;
+}
+
+int
+rfid_layer2_setopt(struct rfid_layer2_handle *ph, int optname,
+                  const void *optval, unsigned int optlen)
 {
-       p->next = rfid_layer2_list;
-       rfid_layer2_list = p;
+       if (optname >> 16 == 0) {
+               switch (optname) {
+               case RFID_OPT_LAYER2_UID:
+               printf("----> sizeof(ph->uid): %d\n",sizeof(ph->uid));
+                       if ((ph->uid_len < sizeof(ph->uid)) && (optlen<=sizeof(ph->uid))) {
+                               //(ph->uid_len<optlen)
+                               ph->uid_len = optlen;
+                               memcpy(ph->uid, optval, optlen);
+                       } else
+                               return -EINVAL;
+               break;
+               default:
+                       return -EINVAL;
+                       break;
+               }
+       } else {
+               if (!ph->l2->fn.setopt)
+                       return -EINVAL;
 
+               return ph->l2->fn.setopt(ph, optname, optval, optlen);
+       }
        return 0;
 }
+
+char *rfid_layer2_name(struct rfid_layer2_handle *l2h)
+{
+       return l2h->l2->name;
+}