Update git tag release_tinyos_2_1_0_0 for consistency with CVS tag of same name.

[tinyos-2.x.git] / tos / lib / mac / tkn154 / CsmaQueueP.nc

diff --git a/tos/lib/mac/tkn154/CsmaQueueP.nc b/tos/lib/mac/tkn154/CsmaQueueP.nc
deleted file mode 100644 (file)
index f89c762..0000000
--- a/tos/lib/mac/tkn154/CsmaQueueP.nc
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 2008, Technische Universitaet Berlin
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met:
- * - Redistributions of source code must retain the above copyright notice,
- *   this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright 
- *   notice, this list of conditions and the following disclaimer in the 
- *   documentation and/or other materials provided with the distribution.
- * - Neither the name of the Technische Universitaet Berlin nor the names 
- *   of its contributors may be used to endorse or promote products derived
- *   from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * - Revision -------------------------------------------------------------
- * $Revision$
- * $Date$
- * @author Jan Hauer <hauer@tkn.tu-berlin.de>
- * ========================================================================
- */
-#include "TKN154_MAC.h"
-generic module CsmaQueueP() {
-  provides
-  {
-    interface Init as Reset;
-    interface FrameTx[uint8_t client];
-    interface FrameRx as FrameExtracted[uint8_t client];
-    interface Purge;
-  } uses {
-    interface Queue<ieee154_txframe_t*>;
-    interface FrameTx as FrameTxCsma;
-    interface FrameRx as SubFrameExtracted;
-  }
-}
-implementation
-{
-  task void txTask();
-  bool m_busy;
-  uint8_t m_client;
-
-  command error_t Reset.init()
-  {
-    while (call Queue.size()){
-      ieee154_txframe_t *txFrame = call Queue.dequeue();
-      signal FrameTx.transmitDone[txFrame->client](txFrame, IEEE154_TRANSACTION_OVERFLOW);
-    }
-    m_busy = FALSE;
-    return SUCCESS;
-  }
-
-  command ieee154_status_t FrameTx.transmit[uint8_t client](ieee154_txframe_t *txFrame)
-  {
-    txFrame->client = client;
-    if (call Queue.enqueue(txFrame) != SUCCESS)
-      return IEEE154_TRANSACTION_OVERFLOW;
-    else {
-      post txTask();
-      return IEEE154_SUCCESS;
-    }
-  }
-
-  task void txTask()
-  {
-    if (!m_busy && call Queue.size()){
-      ieee154_txframe_t *txFrame = call Queue.head();
-      if (txFrame->headerLen == 0){ 
-        // was purged
-        call Queue.dequeue();
-        signal Purge.purgeDone(txFrame, IEEE154_SUCCESS);
-        post txTask();
-      }
-      m_client = txFrame->client;
-      if (call FrameTxCsma.transmit(txFrame) == IEEE154_SUCCESS){
-        m_busy = TRUE;
-      }
-    }
-  }
-
-  event void FrameTxCsma.transmitDone(ieee154_txframe_t *txFrame, ieee154_status_t status)
-  {
-    call Queue.dequeue();
-    m_busy = FALSE;
-    signal FrameTx.transmitDone[txFrame->client](txFrame, status);
-    post txTask();
-  }
-
-  event message_t* SubFrameExtracted.received(message_t* frame)
-  {
-    // this event is signalled when a frame has been received
-    // in response to a data request command frame. The transmitDone 
-    // event will be signalled later
-    return signal FrameExtracted.received[m_client](frame);
-  }
-
-  default event void FrameTx.transmitDone[uint8_t client](ieee154_txframe_t *txFrame, ieee154_status_t status){}
-
-  command ieee154_status_t Purge.purge(uint8_t msduHandle)
-  {
-    uint8_t qSize = call Queue.size(), i;
-    if (qSize > 1){
-      for (i=0; i<qSize-1; i++){
-        ieee154_txframe_t *txFrame = call Queue.element(i);
-        if (((txFrame->header->mhr[MHR_INDEX_FC1] & FC1_FRAMETYPE_MASK) == FC1_FRAMETYPE_DATA) &&
-          txFrame->handle == msduHandle){
-          txFrame->headerLen = 0; // mark as invalid
-          return IEEE154_SUCCESS;
-        }
-      }
-    }
-    return IEEE154_INVALID_HANDLE;
-  }
-  
-  default event void Purge.purgeDone(ieee154_txframe_t *txFrame, ieee154_status_t status){}
-}