+++ /dev/null
-/*
- * Copyright (c) 2008 Johns Hopkins University.
- * All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose, without fee, and without written
- * agreement is hereby granted, provided that the above copyright
- * notice, the (updated) modification history and the author appear in
- * all copies of this source code.
- *
- * 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 HOLDERS OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, LOSS OF USE, DATA,
- * OR PROFITS) 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.
-*/
-
-/*
- * @author Chieh-Jan Mike Liang <cliang4@cs.jhu.edu>
- */
-
-module BlockingCollectionSenderImplP {
- provides {
- interface BlockingSend[uint8_t client];
- interface Init;
- }
-
- uses {
- interface Send[uint8_t client];
- interface SystemCall;
- interface Mutex;
- interface Packet;
- interface Leds;
- }
-}
-
-implementation {
- typedef struct params {
- message_t *msg;
- uint8_t len;
- error_t error;
- } params_t;
-
- syscall_t* send_call;
- mutex_t my_mutex;
-
- command error_t Init.init()
- {
- call Mutex.init(&my_mutex);
- return SUCCESS;
- }
-
- void sendTask(syscall_t *s)
- {
- params_t* p = s->params;
-
- p->error = call Send.send[s->id](p->msg, p->len);
- if(p->error != SUCCESS) {
- call SystemCall.finish(s);
- }
- }
-
- command error_t BlockingSend.send[uint8_t client](message_t *msg, uint8_t len)
- {
- syscall_t s;
- params_t p;
- call Mutex.lock(&my_mutex);
- send_call = &s;
-
- p.msg = msg;
- p.len = len;
-
- call SystemCall.start(&sendTask, &s, client, &p);
-
- atomic {
- call Mutex.unlock(&my_mutex);
- return p.error;
- }
- }
-
- event void Send.sendDone[uint8_t client](message_t* m, error_t error)
- {
- if (client == send_call->id) {
- params_t* p;
-
- p = send_call->params;
- p->error = error;
- call SystemCall.finish(send_call);
- }
- }
-
- command error_t BlockingSend.cancel[uint8_t client](message_t* msg)
- {
- return call Send.cancel[client](msg);
- }
-
- command uint8_t BlockingSend.maxPayloadLength[uint8_t client]()
- {
- return call Send.maxPayloadLength[client]();
- }
-
- command void* BlockingSend.getPayload[uint8_t client](message_t* msg, uint8_t len)
- {
- return call Send.getPayload[client](msg, len);
- }
-}