Contiki-NG
coap-blocking-api.h
1 /*
2  * Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  */
31 
32 /**
33  * \addtogroup coap
34  * @{
35  */
36 
37 #ifndef COAP_BLOCKING_API_H_
38 #define COAP_BLOCKING_API_H_
39 
40 #include "sys/pt.h"
41 #include "coap-transactions.h"
42 #include "coap-request-state.h"
43 
44 /*---------------------------------------------------------------------------*/
45 /*- Client Part -------------------------------------------------------------*/
46 /*---------------------------------------------------------------------------*/
47 typedef struct coap_blocking_request_state {
48  coap_request_state_t state;
49  struct pt pt;
50  struct process *process;
51 } coap_blocking_request_state_t;
52 
53 typedef void (* coap_blocking_response_handler_t)(coap_message_t *response);
54 
55 PT_THREAD(coap_blocking_request
56  (coap_blocking_request_state_t *blocking_state, process_event_t ev,
57  coap_endpoint_t *remote,
58  coap_message_t *request,
59  coap_blocking_response_handler_t request_callback));
60 
61 #define COAP_BLOCKING_REQUEST(server_endpoint, request, chunk_handler) \
62  { \
63  static coap_blocking_request_state_t blocking_state; \
64  PT_SPAWN(process_pt, &blocking_state.pt, \
65  coap_blocking_request(&blocking_state, ev, \
66  server_endpoint, \
67  request, chunk_handler) \
68  ); \
69  }
70 
71 #endif /* COAP_BLOCKING_API_H_ */
72 /** @} */
Protothreads implementation.
#define PT_THREAD(name_args)
Declaration of a protothread.
Definition: pt.h:99
Common request state for all the APIs
CoAP module for reliable transport