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Merge pull request #2 from iot-lab/pr/er-coap-dtls/tinydtls_and_er_coap_integration

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Pr/er coap dtls/tinydtls and er coap integration
This commit is contained in:
Denis Knauf 2018-03-10 22:34:41 +01:00 committed by GitHub
commit 1f53447813
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15 changed files with 604 additions and 26 deletions
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4
.gitmodules vendored
View file

@ -10,7 +10,9 @@
[submodule "platform/stm32nucleo-spirit1/stm32cube-lib"]
path = platform/stm32nucleo-spirit1/stm32cube-lib
url = https://github.com/STclab/stm32nucleo-spirit1-lib
[submodule "tools/sensniff"]
path = tools/sensniff
url = https://github.com/g-oikonomou/sensniff.git
[submodule "apps/tinydtls"]
path = apps/tinydtls
url = https://github.com/iot-lab/armour-tinydtls.git

15
apps/er-coap/Makefile.er-coap
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@ -4,3 +4,18 @@ er-coap_src = er-coap.c er-coap-engine.c er-coap-transactions.c \
# Erbium will implement the REST Engine
CFLAGS += -DREST=coap_rest_implementation
ifeq ($(WITH_DTLS_COAP),1)
er-coap_src += er-coap-dtls.c
# Load tinydtls
APPS += tinydtls
$(CONTIKI)/apps/tinydtls/Makefile.tinydtls:
@echo " You should run 'git submodule update --init' to clone 'app/tinydtls'"
@exit 1
include $(CONTIKI)/apps/tinydtls/Makefile.tinydtls
PROJECTDIRS+=$(CONTIKI)/apps/tinydtls/aes $(CONTIKI)/apps/tinydtls/sha2 $(CONTIKI)/apps/tinydtls/ecc
else
er-coap_src += er-coap-udp.c
endif

15
apps/er-coap/er-coap-communication.h Normal file
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@ -0,0 +1,15 @@
#ifndef _ER_COAP_COMMUNICATION_H_
#define _ER_COAP_COMMUNICATION_H_
#include "contiki.h"
void
coap_init_communication_layer(uint16_t port);
void
coap_send_message(uip_ipaddr_t *addr, uint16_t port, uint8_t *data, uint16_t length);
void
coap_handle_receive(void);
#endif

161
apps/er-coap/er-coap-dtls.c Normal file
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@ -0,0 +1,161 @@
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap.h"
#include "er-coap-engine.h"
#include "dtls.h"
#include <string.h>
#define DEBUG DEBUG_NONE
#include "dtls_debug.h"
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
static struct dtls_context_t *dtls_ctx = NULL;
static dtls_handler_t coap_dtls_callback = {
.write = coap_dtls_send_to_peer,
.read = coap_dtls_read_from_peer,
.event = NULL,
#ifdef DTLS_PSK
.get_psk_info = coap_dtls_get_psk_info,
#endif
#ifdef DTLS_ECC
.get_ecdsa_key = NULL,
.verify_ecdsa_key = NULL,
#endif
};
/*-----------------------------------------------------------------------------------*/
void
coap_init_communication_layer(uint16_t port)
{
struct uip_udp_conn *udp_conn = NULL;
dtls_init();
dtls_set_log_level(DTLS_LOG_DEBUG);
udp_conn = udp_new(NULL, 0, NULL);
udp_bind(udp_conn, port);
dtls_ctx = dtls_new_context(udp_conn);
if(dtls_ctx) {
dtls_set_handler(dtls_ctx, &COAP_DTLS_CALLBACK);
}
/* new connection with remote host */
printf("COAP-DTLS listening on port %u\n", uip_ntohs(udp_conn->lport));
}
/*-----------------------------------------------------------------------------------*/
void
coap_send_message(uip_ipaddr_t *addr, uint16_t port,
uint8_t *data, uint16_t length)
{
session_t session;
dtls_session_init(&session);
uip_ipaddr_copy(&session.addr, addr);
session.port = port;
dtls_write(dtls_ctx, &session, data, length);
}
/*-----------------------------------------------------------------------------------*/
void
coap_handle_receive()
{
session_t session;
if(uip_newdata()) {
dtls_session_init(&session);
uip_ipaddr_copy(&session.addr, &UIP_IP_BUF->srcipaddr);
session.port = UIP_UDP_BUF->srcport;
dtls_handle_message(dtls_ctx, &session, uip_appdata, uip_datalen());
}
}
/* DTLS Specific functions */
/*-----------------------------------------------------------------------------------*/
#ifdef DTLS_PSK
/* This function is the "key store" for tinyDTLS. It is called to
* retrieve a key for the given identiy within this particular
* session. */
int
coap_dtls_get_psk_info(struct dtls_context_t *ctx, const session_t *session,
dtls_credentials_type_t type,
const unsigned char *id, size_t id_len,
unsigned char *result, size_t result_length)
{
struct keymap_t {
unsigned char *id;
size_t id_length;
unsigned char *key;
size_t key_length;
} psk[1] = {
{ (unsigned char *)DTLS_IDENTITY, DTLS_IDENTITY_LENGTH, (unsigned char *)DTLS_PSK_KEY_VALUE, DTLS_PSK_KEY_VALUE_LENGTH },
};
if(type == DTLS_PSK_IDENTITY) {
if(id_len) {
dtls_debug("got psk_identity_hint: '%.*s'\n", id_len, id);
}
if(result_length < psk[0].id_length) {
dtls_warn("cannot set psk_identity -- buffer too small\n");
return dtls_alert_fatal_create(DTLS_ALERT_INTERNAL_ERROR);
}
memcpy(result, psk[0].id, psk[0].id_length);
return psk[0].id_length;
} else if(type == DTLS_PSK_KEY) {
if(id) {
int i;
for(i = 0; i < sizeof(psk) / sizeof(struct keymap_t); i++) {
if(id_len == psk[i].id_length && memcmp(id, psk[i].id, id_len) == 0) {
if(result_length < psk[i].key_length) {
dtls_warn("buffer too small for PSK");
return dtls_alert_fatal_create(DTLS_ALERT_INTERNAL_ERROR);
}
memcpy(result, psk[i].key, psk[i].key_length);
return psk[i].key_length;
}
}
}
} else {
return 0;
}
return dtls_alert_fatal_create(DTLS_ALERT_DECRYPT_ERROR);
}
#endif
/*-----------------------------------------------------------------------------------*/
int
coap_dtls_send_to_peer(struct dtls_context_t *ctx,
session_t *session, uint8 *data, size_t len)
{
struct uip_udp_conn *conn = (struct uip_udp_conn *)dtls_get_app_data(ctx);
uip_ipaddr_copy(&conn->ripaddr, &session->addr);
conn->rport = session->port;
uip_udp_packet_send(conn, data, len);
/* Restore server connection to allow data from any node */
memset(&conn->ripaddr, 0, sizeof(conn->ripaddr));
memset(&conn->rport, 0, sizeof(conn->rport));
return len;
}
/*-----------------------------------------------------------------------------------*/
int
coap_dtls_read_from_peer(struct dtls_context_t *ctx,
session_t *session, uint8 *data, size_t len)
{
uip_len = len;
memmove(uip_appdata, data, len);
coap_receive(ctx);
return 0;
}

47
apps/er-coap/er-coap-dtls.h Normal file
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@ -0,0 +1,47 @@
#ifndef COAP_DTLS_H_
#define COAP_DTLS_H_
/* Internal configuration of tinydtls for er-coap-dtls */
#if defined DTLS_CONF_IDENTITY && defined DTLS_CONF_IDENTITY_LENGTH
#define DTLS_IDENTITY DTLS_CONF_IDENTITY
#define DTLS_IDENTITY_LENGTH DTLS_CONF_IDENTITY_LENGTH
#else
#define DTLS_IDENTITY "Client_identity"
#define DTLS_IDENTITY_LENGTH 15
#endif
#if defined DTLS_CONF_PSK_KEY && defined DTLS_CONF_PSK_KEY_LENGTH
#define DTLS_PSK_KEY_VALUE DTLS_CONF_PSK_KEY
#define DTLS_PSK_KEY_VALUE_LENGTH DTLS_CONF_PSK_KEY_LENGTH
#else
#warning "DTLS: Using default secret key !"
#define DTLS_PSK_KEY_VALUE "secretPSK"
#define DTLS_PSK_KEY_VALUE_LENGTH 9
#endif
/* Structure that hold tinydtls callbacks, has type 'dtls_handler_t'. */
#ifndef COAP_DTLS_CALLBACK
#ifdef COAP_DTLS_CONF_CALLBACK
#define COAP_DTLS_CALLBACK COAP_DTLS_CONF_CALLBACK
#else /* COAP_DTLS_CONF_CALLBACK */
#define COAP_DTLS_CALLBACK coap_dtls_callback
#endif /* COAP_DTLS_CALLBACK */
/* Send 'data' to peer defined by session */
int coap_dtls_send_to_peer(struct dtls_context_t *ctx,
session_t *session, uint8 *data, size_t len);
/* Read 'data' from peer */
int coap_dtls_read_from_peer(struct dtls_context_t *ctx,
session_t *session, uint8 *data, size_t len);
#ifdef DTLS_PSK
/* Retrieve the key for given identity withing this session */
int coap_dtls_get_psk_info(struct dtls_context_t *ctx,
const session_t *session,
dtls_credentials_type_t type,
const unsigned char *id, size_t id_len,
unsigned char *result, size_t result_length);
#endif
#endif /* COAP_DTLS_H_ */

7
apps/er-coap/er-coap-engine.c
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@ -41,6 +41,7 @@
#include <stdlib.h>
#include <string.h>
#include "er-coap-engine.h"
#include "er-coap-communication.h"
#define DEBUG 0
#if DEBUG
@ -64,8 +65,8 @@ static service_callback_t service_cbk = NULL;
/*---------------------------------------------------------------------------*/
/*- Internal API ------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
static int
coap_receive(void)
int
coap_receive()
{
erbium_status_code = NO_ERROR;
@ -346,7 +347,7 @@ PROCESS_THREAD(coap_engine, ev, data)
PROCESS_YIELD();
if(ev == tcpip_event) {
coap_receive();
coap_handle_receive();
} else if(ev == PROCESS_EVENT_TIMER) {
/* retransmissions are handled here */
coap_check_transactions();

1
apps/er-coap/er-coap-engine.h
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@ -52,6 +52,7 @@ typedef coap_packet_t rest_request_t;
typedef coap_packet_t rest_response_t;
void coap_init_engine(void);
int coap_receive();
/*---------------------------------------------------------------------------*/
/*- Client Part -------------------------------------------------------------*/

42
apps/er-coap/er-coap-udp.c Normal file
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@ -0,0 +1,42 @@
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap-engine.h"
#include "er-coap-communication.h"
#include <string.h>
#define DEBUG DEBUG_NONE
#include "uip-debug.h"
static struct uip_udp_conn *udp_conn = NULL;
/*-----------------------------------------------------------------------------------*/
void
coap_init_communication_layer(uint16_t port)
{
/* new connection with remote host */
udp_conn = udp_new(NULL, 0, NULL);
udp_bind(udp_conn, port);
PRINTF("Listening on port %u\n", uip_ntohs(udp_conn->lport));
}
/*-----------------------------------------------------------------------------------*/
void
coap_send_message(uip_ipaddr_t *addr, uint16_t port, uint8_t *data, uint16_t length)
{
/* Configure connection to reply to client */
uip_ipaddr_copy(&udp_conn->ripaddr, addr);
udp_conn->rport = port;
uip_udp_packet_send(udp_conn, data, length);
PRINTF("-sent UDP datagram (%u)-\n", length);
/* Restore server connection to allow data from any node */
memset(&udp_conn->ripaddr, 0, sizeof(udp_conn->ripaddr));
udp_conn->rport = 0;
}
/*-----------------------------------------------------------------------------------*/
void
coap_handle_receive()
{
coap_receive();
}

23
apps/er-coap/er-coap.c
View file

@ -44,6 +44,7 @@
#include "er-coap.h"
#include "er-coap-transactions.h"
#include "er-coap-communication.h"
#define DEBUG 0
#if DEBUG
@ -60,7 +61,6 @@
/*---------------------------------------------------------------------------*/
/*- Variables ---------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
static struct uip_udp_conn *udp_conn = NULL;
static uint16_t current_mid = 0;
coap_status_t erbium_status_code = NO_ERROR;
@ -279,9 +279,7 @@ void
coap_init_connection(uint16_t port)
{
/* new connection with remote host */
udp_conn = udp_new(NULL, 0, NULL);
udp_bind(udp_conn, port);
PRINTF("Listening on port %u\n", uip_ntohs(udp_conn->lport));
coap_init_communication_layer(port);
/* initialize transaction ID */
current_mid = random_rand();
@ -422,23 +420,6 @@ coap_serialize_message(void *packet, uint8_t *buffer)
return (option - buffer) + coap_pkt->payload_len; /* packet length */
}
/*---------------------------------------------------------------------------*/
void
coap_send_message(uip_ipaddr_t *addr, uint16_t port, uint8_t *data,
uint16_t length)
{
/* configure connection to reply to client */
uip_ipaddr_copy(&udp_conn->ripaddr, addr);
udp_conn->rport = port;
uip_udp_packet_send(udp_conn, data, length);
PRINTF("-sent UDP datagram (%u)-\n", length);
/* restore server socket to allow data from any node */
memset(&udp_conn->ripaddr, 0, sizeof(udp_conn->ripaddr));
udp_conn->rport = 0;
}
/*---------------------------------------------------------------------------*/
coap_status_t
coap_parse_message(void *packet, uint8_t *data, uint16_t data_len)
{

1
apps/tinydtls Submodule

@ -0,0 +1 @@
Subproject commit e95b02584a0041817da67c8c01f2a197d0c26915

3
doc/Doxyfile
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@ -809,7 +809,8 @@ EXCLUDE_SYMLINKS = NO
EXCLUDE_PATTERNS = */cpu/cc26xx-cc13xx/lib/* \
*/cpu/cc26xx-cc13xx/rf-core/api/* \
*/platform/stm32nucleo-spirit1/stm32cube-lib/*
*/platform/stm32nucleo-spirit1/stm32cube-lib/* \
*/apps/tinydtls/*
# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
# (namespaces, classes, functions, etc.) that should be excluded from the

25
examples/er-rest-dtls/Makefile Normal file
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@ -0,0 +1,25 @@
all: er-example-server er-example-client
CONTIKI=../..
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
WITH_DTLS_COAP ?= 1
# automatically build RESTful resources
ER_EXAMPLE = $(CONTIKI)/examples/er-rest-example
REST_RESOURCES_DIR = $(ER_EXAMPLE)/resources
REST_RESOURCES_FILES += res-push.c
REST_RESOURCES_FILES += res-hello.c
PROJECTDIRS += $(REST_RESOURCES_DIR)
PROJECT_SOURCEFILES += $(REST_RESOURCES_FILES)
# linker optimizations
SMALL=1
# REST Engine shall use Erbium CoAP implementation
APPS += er-coap
APPS += rest-engine
CONTIKI_WITH_IPV6 = 1
include $(CONTIKI)/Makefile.include

111
examples/er-rest-dtls/er-example-client.c Normal file
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@ -0,0 +1,111 @@
/*
* 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
* Erbium (Er) CoAP client example.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
* Gaëtan Harter <gaetan.harter@inria.fr>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "er-coap-engine.h"
#define DEBUG 0
#include "uip-debug.h"
#ifndef ER_COAP_SERVER_ADDR
/* cooja2 */
#define ER_COAP_SERVER_ADDR "fe80::0212:7402:0002:0x0202"
#endif /* ER_COAP_SERVER_ADDR */
#define REMOTE_PORT UIP_HTONS(COAP_DEFAULT_PORT)
#define TOGGLE_INTERVAL 10
PROCESS(er_example_client, "Erbium Example Client");
AUTOSTART_PROCESSES(&er_example_client);
/* This function is will be passed to COAP_BLOCKING_REQUEST() to handle responses. */
void
client_chunk_handler(void *response)
{
const uint8_t *chunk;
int len = coap_get_payload(response, &chunk);
printf("|%.*s", len, (char *)chunk);
}
PROCESS_THREAD(er_example_client, ev, data)
{
PROCESS_BEGIN();
static struct etimer et;
static coap_packet_t request[1]; /* This way the packet can be treated as pointer as usual. */
static uip_ipaddr_t server_ipaddr;
uiplib_ipaddrconv(ER_COAP_SERVER_ADDR, &server_ipaddr);
/* receives all CoAP messages */
coap_init_engine();
etimer_set(&et, TOGGLE_INTERVAL * CLOCK_SECOND);
while(1) {
PROCESS_YIELD();
if(etimer_expired(&et)) {
printf("--Toggle timer--\n");
/* prepare request, TID is set by COAP_BLOCKING_REQUEST() */
coap_init_message(request, COAP_TYPE_CON, COAP_GET, 0);
coap_set_header_uri_path(request, "test/hello");
PRINT6ADDR(&server_ipaddr);
PRINTF(" : %u\n", UIP_HTONS(REMOTE_PORT));
COAP_BLOCKING_REQUEST(&server_ipaddr, REMOTE_PORT, request,
client_chunk_handler);
printf("\n--Done--\n");
etimer_reset(&et);
}
}
PROCESS_END();
}

98
examples/er-rest-dtls/er-example-server.c Normal file
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@ -0,0 +1,98 @@
/*
* 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
* Erbium (Er) REST Engine example.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
* Gaëtan Harter <gaetan.harter@inria.fr>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "rest-engine.h"
#define DEBUG 0
#include "uip-debug.h"
/*
* Resources to be activated need to be imported through the extern keyword.
* The build system automatically compiles the resources in the corresponding sub-directory.
*/
extern resource_t
res_hello,
res_push;
PROCESS(er_example_server, "Erbium Example Server");
AUTOSTART_PROCESSES(&er_example_server);
PROCESS_THREAD(er_example_server, ev, data)
{
PROCESS_BEGIN();
PROCESS_PAUSE();
PRINTF("Starting Erbium Example Server\n");
#ifdef RF_CHANNEL
PRINTF("RF channel: %u\n", RF_CHANNEL);
#endif
#ifdef IEEE802154_PANID
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
#endif
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
PRINTF("LL header: %u\n", UIP_LLH_LEN);
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
/* Initialize the REST engine. */
rest_init_engine();
/*
* Bind the resources to their Uri-Path.
* WARNING: Activating twice only means alternate path, not two instances!
* All static variables are the same for each URI path.
*/
rest_activate_resource(&res_hello, "test/hello");
rest_activate_resource(&res_push, "test/push");
/* Define application-specific events here. */
while(1) {
PROCESS_WAIT_EVENT();
} /* while (1) */
PROCESS_END();
}

77
examples/er-rest-dtls/project-conf.h Normal file
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@ -0,0 +1,77 @@
/*
* 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
* Erbium (Er) example project configuration.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#ifndef __PROJECT_ERBIUM_CONF_H__
#define __PROJECT_ERBIUM_CONF_H__
/* Custom channel and PAN ID configuration for your project. */
/* IP buffer size must match all other hops, in particular the border router. */
#define UIP_CONF_BUFFER_SIZE 1500
/* Increase rpl-border-router IP-buffer when using more than 64. */
#undef REST_MAX_CHUNK_SIZE
#define REST_MAX_CHUNK_SIZE 48
/* Estimate your header size, especially when using Proxy-Uri. */
/*
#undef COAP_MAX_HEADER_SIZE
#define COAP_MAX_HEADER_SIZE 70
*/
/* Multiplies with chunk size, be aware of memory constraints. */
#undef COAP_MAX_OPEN_TRANSACTIONS
#define COAP_MAX_OPEN_TRANSACTIONS 4
/* Must be <= open transactions, default is COAP_MAX_OPEN_TRANSACTIONS-1. */
/*
#undef COAP_MAX_OBSERVERS
#define COAP_MAX_OBSERVERS 2
*/
/* Filtering .well-known/core per query can be disabled to save space. */
#undef COAP_LINK_FORMAT_FILTERING
#define COAP_LINK_FORMAT_FILTERING 0
#undef COAP_PROXY_OPTION_PROCESSING
#define COAP_PROXY_OPTION_PROCESSING 0
/* Enable client-side support for COAP observe */
#define COAP_OBSERVE_CLIENT 1
#endif /* __PROJECT_ERBIUM_CONF_H__ */