1 files changed, 97 insertions, 0 deletions
diff --git a/nci/jni/DataQueue.h b/nci/jni/DataQueue.h
new file mode 100644
index 0000000..4c0c454
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+++ b/nci/jni/DataQueue.h
@@ -0,0 +1,97 @@
+/*****************************************************************************
+**
+**  Name:           DataQueue.h
+**
+**  Description:    Store data bytes in a variable-size queue.
+**
+**  Copyright (c) 2012, Broadcom Corp., All Rights Reserved.
+**  Proprietary and confidential.
+**
+*****************************************************************************/
+ 
+#pragma once
+#include "NfcJniUtil.h"
+#include "gki.h"
+#include "Mutex.h"
+#include <list>
+
+
+class DataQueue
+{
+public:
+    /*******************************************************************************
+    **
+    ** Function:        DataQueue                
+    **
+    ** Description:     Initialize member variables.     
+    **                  
+    ** Returns:         None.
+    **
+    *******************************************************************************/
+    DataQueue ();
+
+
+    /*******************************************************************************
+    **
+    ** Function:        ~DataQueue                
+    **
+    ** Description:      Release all resources.     
+    **                  
+    ** Returns:         None.
+    **
+    *******************************************************************************/
+    ~DataQueue ();
+
+
+    /*******************************************************************************
+    **
+    ** Function:        enqueue                
+    **
+    ** Description:     Append data to the queue.
+    **                  data: array of bytes
+    **                  dataLen: length of the data.
+    **                  
+    ** Returns:         True if ok.
+    **
+    *******************************************************************************/
+    bool enqueue (UINT8* data, UINT16 dataLen);
+
+
+    /*******************************************************************************
+    **
+    ** Function:        dequeue                
+    **
+    ** Description:     Retrieve and remove data from the front of the queue.
+    **                  buffer: array to store the data.
+    **                  bufferMaxLen: maximum size of the buffer.
+    **                  actualLen: actual length of the data.
+    **                  
+    ** Returns:         True if ok.
+    **
+    *******************************************************************************/
+    bool dequeue (UINT8* buffer, UINT16 bufferMaxLen, UINT16& actualLen);
+
+
+    /*******************************************************************************
+    **
+    ** Function:        isEmpty         
+    **
+    ** Description:     Whether the queue is empty.
+    **                  
+    ** Returns:         True if empty.
+    **
+    *******************************************************************************/
+    bool isEmpty();
+    
+private:
+    struct tHeader
+    {
+        UINT16 mDataLen; //number of octets of data
+        UINT16 mOffset; //offset of the first octet of data
+    };
+    typedef std::list<tHeader*> Queue;
+
+    Queue mQueue;
+    Mutex mMutex;
+};
+