deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Used Uncrustify and fixed Travis build errors.

Browse source
This commit is contained in:
Lars Schmertmann 2014-04-22 10:31:43 +02:00 • committed by Matthias Kovatsch
parent 3dd5bd7a37
commit bb737f85ae
50 changed files with 7115 additions and 7071 deletions
Download patch file Download diff file Expand all files Collapse all files

363
apps/er-coap/er-coap-transactions.c Executable file → Normal file
View file

@ -1,178 +1,185 @@
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* CoAP module for reliable transport
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap-transactions.h"
#include "er-coap-observe.h"
#define DEBUG DEBUG_NONE
#include "net/uip-debug.h"
/*---------------------------------------------------------------------------*/
MEMB(transactions_memb, coap_transaction_t, COAP_MAX_OPEN_TRANSACTIONS);
LIST(transactions_list);
static struct process *transaction_handler_process = NULL;
/*---------------------------------------------------------------------------*/
/*- Internal API ------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
void
coap_register_as_transaction_handler()
{
transaction_handler_process = PROCESS_CURRENT();
}
coap_transaction_t *
coap_new_transaction(uint16_t mid, uip_ipaddr_t * addr, uint16_t port)
{
coap_transaction_t *t = memb_alloc(&transactions_memb);
if(t) {
t->mid = mid;
t->retrans_counter = 0;
/* save client address */
uip_ipaddr_copy(&t->addr, addr);
t->port = port;
list_add(transactions_list, t); /* list itself makes sure same element is not added twice */
}
return t;
}
/*---------------------------------------------------------------------------*/
void
coap_send_transaction(coap_transaction_t * t)
{
PRINTF("Sending transaction %u\n", t->mid);
coap_send_message(&t->addr, t->port, t->packet, t->packet_len);
if(COAP_TYPE_CON ==
((COAP_HEADER_TYPE_MASK & t->packet[0]) >> COAP_HEADER_TYPE_POSITION)) {
if(t->retrans_counter < COAP_MAX_RETRANSMIT) {
/* not timed out yet */
PRINTF("Keeping transaction %u\n", t->mid);
if(t->retrans_counter == 0) {
t->retrans_timer.timer.interval =
COAP_RESPONSE_TIMEOUT_TICKS + (random_rand()
%
(clock_time_t)
COAP_RESPONSE_TIMEOUT_BACKOFF_MASK);
PRINTF("Initial interval %f\n",
(float)t->retrans_timer.timer.interval / CLOCK_SECOND);
} else {
t->retrans_timer.timer.interval <<= 1; /* double */
PRINTF("Doubled (%u) interval %f\n", t->retrans_counter,
(float)t->retrans_timer.timer.interval / CLOCK_SECOND);
}
/*FIXME
* Hack: Setting timer for responsible process.
* Maybe there is a better way, but avoid posting everything to the process.
*/
struct process *process_actual = PROCESS_CURRENT();
process_current = transaction_handler_process;
etimer_restart(&t->retrans_timer); /* interval updated above */
process_current = process_actual;
t = NULL;
} else {
/* timed out */
PRINTF("Timeout\n");
restful_response_handler callback = t->callback;
void *callback_data = t->callback_data;
/* handle observers */
coap_remove_observer_by_client(&t->addr, t->port);
coap_clear_transaction(t);
if(callback) {
callback(callback_data, NULL);
}
}
} else {
coap_clear_transaction(t);
}
}
/*---------------------------------------------------------------------------*/
void
coap_clear_transaction(coap_transaction_t * t)
{
if(t) {
PRINTF("Freeing transaction %u: %p\n", t->mid, t);
etimer_stop(&t->retrans_timer);
list_remove(transactions_list, t);
memb_free(&transactions_memb, t);
}
}
coap_transaction_t *
coap_get_transaction_by_mid(uint16_t mid)
{
coap_transaction_t *t = NULL;
for(t = (coap_transaction_t *) list_head(transactions_list); t; t = t->next) {
if(t->mid == mid) {
PRINTF("Found transaction for MID %u: %p\n", t->mid, t);
return t;
}
}
return NULL;
}
/*---------------------------------------------------------------------------*/
void
coap_check_transactions()
{
coap_transaction_t *t = NULL;
for(t = (coap_transaction_t *) list_head(transactions_list); t; t = t->next) {
if(etimer_expired(&t->retrans_timer)) {
++(t->retrans_counter);
PRINTF("Retransmitting %u (%u)\n", t->mid, t->retrans_counter);
coap_send_transaction(t);
}
}
}
/*---------------------------------------------------------------------------*/
/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* CoAP module for reliable transport
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap-transactions.h"
#include "er-coap-observe.h"
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#define PRINTLLADDR(addr)
#endif
/*---------------------------------------------------------------------------*/
MEMB(transactions_memb, coap_transaction_t, COAP_MAX_OPEN_TRANSACTIONS);
LIST(transactions_list);
static struct process *transaction_handler_process = NULL;
/*---------------------------------------------------------------------------*/
/*- Internal API ------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
void
coap_register_as_transaction_handler()
{
transaction_handler_process = PROCESS_CURRENT();
}
coap_transaction_t *
coap_new_transaction(uint16_t mid, uip_ipaddr_t *addr, uint16_t port)
{
coap_transaction_t *t = memb_alloc(&transactions_memb);
if(t) {
t->mid = mid;
t->retrans_counter = 0;
/* save client address */
uip_ipaddr_copy(&t->addr, addr);
t->port = port;
list_add(transactions_list, t); /* list itself makes sure same element is not added twice */
}
return t;
}
/*---------------------------------------------------------------------------*/
void
coap_send_transaction(coap_transaction_t *t)
{
PRINTF("Sending transaction %u\n", t->mid);
coap_send_message(&t->addr, t->port, t->packet, t->packet_len);
if(COAP_TYPE_CON ==
((COAP_HEADER_TYPE_MASK & t->packet[0]) >> COAP_HEADER_TYPE_POSITION)) {
if(t->retrans_counter < COAP_MAX_RETRANSMIT) {
/* not timed out yet */
PRINTF("Keeping transaction %u\n", t->mid);
if(t->retrans_counter == 0) {
t->retrans_timer.timer.interval =
COAP_RESPONSE_TIMEOUT_TICKS + (random_rand()
%
(clock_time_t)
COAP_RESPONSE_TIMEOUT_BACKOFF_MASK);
PRINTF("Initial interval %f\n",
(float)t->retrans_timer.timer.interval / CLOCK_SECOND);
} else {
t->retrans_timer.timer.interval <<= 1; /* double */
PRINTF("Doubled (%u) interval %f\n", t->retrans_counter,
(float)t->retrans_timer.timer.interval / CLOCK_SECOND);
}
/*FIXME
* Hack: Setting timer for responsible process.
* Maybe there is a better way, but avoid posting everything to the process.
*/
struct process *process_actual = PROCESS_CURRENT();
process_current = transaction_handler_process;
etimer_restart(&t->retrans_timer); /* interval updated above */
process_current = process_actual;
t = NULL;
} else {
/* timed out */
PRINTF("Timeout\n");
restful_response_handler callback = t->callback;
void *callback_data = t->callback_data;
/* handle observers */
coap_remove_observer_by_client(&t->addr, t->port);
coap_clear_transaction(t);
if(callback) {
callback(callback_data, NULL);
}
}
} else {
coap_clear_transaction(t);
}
}
/*---------------------------------------------------------------------------*/
void
coap_clear_transaction(coap_transaction_t *t)
{
if(t) {
PRINTF("Freeing transaction %u: %p\n", t->mid, t);
etimer_stop(&t->retrans_timer);
list_remove(transactions_list, t);
memb_free(&transactions_memb, t);
}
}
coap_transaction_t *
coap_get_transaction_by_mid(uint16_t mid)
{
coap_transaction_t *t = NULL;
for(t = (coap_transaction_t *)list_head(transactions_list); t; t = t->next) {
if(t->mid == mid) {
PRINTF("Found transaction for MID %u: %p\n", t->mid, t);
return t;
}
}
return NULL;
}
/*---------------------------------------------------------------------------*/
void
coap_check_transactions()
{
coap_transaction_t *t = NULL;
for(t = (coap_transaction_t *)list_head(transactions_list); t; t = t->next) {
if(etimer_expired(&t->retrans_timer)) {
++(t->retrans_counter);
PRINTF("Retransmitting %u (%u)\n", t->mid, t->retrans_counter);
coap_send_transaction(t);
}
}
}
/*---------------------------------------------------------------------------*/