Enabled sending of large messages in MyTagClient.
If the message is to large to fit in a single packet (its size is
defined by MIU), then it need to be splited in multiple packets.
Change-Id: I69eafac0b250b0f32901795b2ab80bad173ae35a
diff --git a/src/com/android/nfc/mytag/MyTagClient.java b/src/com/android/nfc/mytag/MyTagClient.java
index d515f88..b42fb99 100755
--- a/src/com/android/nfc/mytag/MyTagClient.java
+++ b/src/com/android/nfc/mytag/MyTagClient.java
@@ -37,6 +37,7 @@
*/
public class MyTagClient extends BroadcastReceiver {
private static final String TAG = "MyTagClient";
+ private static final int MIU = 128;
private static final boolean DBG = true;
public MyTagClient(Context context) {
@@ -69,17 +70,29 @@
public Void doInBackground(NdefMessage... msgs) {
NfcService service = NfcService.getInstance();
NdefMessage msg = msgs[0];
+ byte[] buffer = msg.toByteArray();
+ byte[] tmpBuffer = new byte[MIU];
+ int offset = 0;
try {
if (DBG) Log.d(TAG, "about to create socket");
// Connect to the my tag server on the remote side
- LlcpSocket sock = service.createLlcpSocket(0, 128, 1, 1024);
+ LlcpSocket sock = service.createLlcpSocket(0, MIU, 1, 1024);
if (DBG) Log.d(TAG, "about to connect");
// sock.connect(MyTagServer.SERVICE_NAME);
sock.connect(0x20);
- // Push the local NDEF message to the server
- if (DBG) Log.d(TAG, "about to send");
- sock.send(msg.toByteArray());
+ if (DBG) Log.d(TAG, "about to send a " + buffer.length + "-bytes message");
+ while (offset < buffer.length) {
+ int length = buffer.length - offset;
+ if (length > tmpBuffer.length) {
+ length = tmpBuffer.length;
+ }
+ System.arraycopy(buffer, offset, tmpBuffer, 0, length);
+ if (DBG) Log.d(TAG, "about to send a " + length + "-bytes packet");
+ sock.send(tmpBuffer);
+ offset += length;
+ }
+
if (DBG) Log.d(TAG, "about to close");
sock.close();
