--- /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>
+ */
+
+#include "message.h"
+
+interface BlockingSend
+{
+ command error_t send(message_t* msg, uint8_t len);
+ command uint8_t maxPayloadLength();
+ command void* getPayload(message_t* msg, uint8_t len);
+}
--- /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>
+ */
+
+#define UQ_BLOCKING_SEND "Blocking.Send"
+
+generic configuration BlockingSendC() {
+ provides {
+ interface BlockingSend;
+ }
+ uses {
+ interface Send;
+ }
+}
+
+implementation {
+ enum {
+ CLIENT_ID = unique(UQ_BLOCKING_SEND),
+ };
+
+ components BlockingSendP;
+
+ BlockingSend = BlockingSendP.BlockingSend[CLIENT_ID];
+ Send = BlockingSendP.Send[CLIENT_ID];
+}
--- /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>
+ */
+
+#include "message.h"
+
+module BlockingSendImplP {
+ provides {
+ interface Init;
+ interface BlockingSend[uint8_t id];
+ }
+ uses {
+ interface Send[uint8_t id];
+ interface SystemCall;
+ interface SystemCallQueue;
+ }
+}
+
+implementation {
+
+ typedef struct params {
+ message_t* msg;
+ uint8_t len;
+ error_t error;
+ } params_t;
+
+ syscall_queue_t send_queue;
+
+ command error_t Init.init() {
+ call SystemCallQueue.init(&send_queue);
+ 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 id](message_t* msg, uint8_t len) {
+ syscall_t s;
+ params_t p;
+ atomic {
+ if(call SystemCallQueue.find(&send_queue, id) != NULL)
+ return EBUSY;
+ call SystemCallQueue.enqueue(&send_queue, &s);
+ }
+
+ p.msg = msg;
+ p.len = len;
+ call SystemCall.start(&sendTask, &s, id, &p);
+
+ atomic {
+ call SystemCallQueue.remove(&send_queue, &s);
+ return p.error;
+ }
+ }
+
+ event void Send.sendDone[uint8_t id](message_t* msg, error_t error) {
+ syscall_t* s = call SystemCallQueue.find(&send_queue, id);
+ params_t* p = s->params;
+ p->error = error;
+ call SystemCall.finish(s);
+ }
+
+ command uint8_t BlockingSend.maxPayloadLength[uint8_t id]() {
+ return call Send.maxPayloadLength[id]();
+ }
+
+ command void* BlockingSend.getPayload[uint8_t id](message_t* msg, uint8_t len) {
+ return call Send.getPayload[id](msg, len);
+ }
+
+ default command error_t Send.send[uint8_t id](message_t* msg, uint8_t len) { return FAIL; }
+ default command uint8_t Send.maxPayloadLength[uint8_t id]() { return 0; }
+ default command void* Send.getPayload[uint8_t id](message_t* msg, uint8_t len) { return NULL; }
+}
--- /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>
+ */
+
+configuration BlockingSendP {
+ provides {
+ interface BlockingSend[uint8_t id];
+ }
+ uses {
+ interface Send[uint8_t id];
+ }
+}
+
+implementation {
+ components MainC,
+ SystemCallC,
+ SystemCallQueueC,
+ BlockingSendImplP;
+
+ MainC.SoftwareInit -> BlockingSendImplP;
+
+ BlockingSend = BlockingSendImplP;
+ Send = BlockingSendImplP;
+
+ BlockingSendImplP.SystemCallQueue -> SystemCallQueueC;
+ BlockingSendImplP.SystemCall -> SystemCallC;
+}
projects / tinyos-2.x.git / commitdiff