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nes-proj/examples/er-rest-example/rest-server-example.c

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/*
* Copyright (c) 2011, Matthias Kovatsch and other contributors.
* 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
* Example for the CoAP REST Engine
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
/* Define which resources to include to meet memory constraints. */
#define REST_RES_HELLO 1
#define REST_RES_MIRROR 0
#define REST_RES_CHUNKS 1
#define REST_RES_POLLING 0
#define REST_RES_EVENT 1
#define REST_RES_LEDS 0
#define REST_RES_TOGGLE 1
#define REST_RES_LIGHT 1
#define REST_RES_BATTERY 0
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET)
#warning "Compiling with static routing!"
#include "static-routing.h"
#endif
#include "erbium.h"
#if defined (PLATFORM_HAS_BUTTON)
#include "dev/button-sensor.h"
#endif
#if defined (PLATFORM_HAS_LEDS)
#include "dev/leds.h"
#endif
#if defined (PLATFORM_HAS_LIGHT)
#include "dev/light-sensor.h"
#endif
#if defined (PLATFORM_HAS_BATTERY)
#include "dev/battery-sensor.h"
#endif
#if defined (PLATFORM_HAS_SHT11)
#include "dev/sht11-sensor.h"
#endif
/* For CoAP-specific example: not required for normal RESTful Web service. */
#if WITH_COAP == 3
#include "er-coap-03.h"
#elif WITH_COAP == 6
#include "er-coap-06.h"
#elif WITH_COAP == 7
#include "er-coap-07.h"
#else
#warning "REST example without CoAP"
#endif /* CoAP-specific example */
#define DEBUG 0
#if DEBUG
#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]", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_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
#if REST_RES_HELLO
/*
* Resources are defined by the RESOURCE macro.
* Signature: resource name, the RESTful methods it handles, and its URI path (omitting the leading slash).
*/
RESOURCE(helloworld, METHOD_GET, "hello", "title=\"Hello world: ?len=0..\";rt=\"Text\"");
/*
* A handler function named [resource name]_handler must be implemented for each RESOURCE.
* A buffer for the response payload is provided through the buffer pointer. Simple resources can ignore
* preferred_size and offset, but must respect the REST_MAX_CHUNK_SIZE limit for the buffer.
* If a smaller block size is requested for CoAP, the REST framework automatically splits the data.
*/
void
helloworld_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const char *len = NULL;
/* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
char const * const message = "Hello World! ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxy";
int length = 12; /* |<-------->| */
/* The query string can be retrieved by rest_get_query() or parsed for its key-value pairs. */
if (REST.get_query_variable(request, "len", &len)) {
length = atoi(len);
if (length<0) length = 0;
if (length>REST_MAX_CHUNK_SIZE) length = REST_MAX_CHUNK_SIZE;
memcpy(buffer, message, length);
} else {
memcpy(buffer, message, length);
}
REST.set_header_content_type(response, REST.type.TEXT_PLAIN); /* text/plain is the default, hence this option could be omitted. */
REST.set_header_etag(response, (uint8_t *) &length, 1);
REST.set_response_payload(response, buffer, length);
}
#endif
#if REST_RES_MIRROR
/* This resource mirrors the incoming request. It shows how to access the options and how to set them for the response. */
RESOURCE(mirror, METHOD_GET | METHOD_POST | METHOD_PUT | METHOD_DELETE, "debug/mirror", "title=\"Returns your decoded message\";rt=\"Debug\"");
void
mirror_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
/* The ETag and Token is copied to the header. */
uint8_t opaque[] = {0x0A, 0xBC, 0xDE};
/* Strings are not copied and should be static or in program memory (char *str = "string in .text";).
* They must be '\0'-terminated as the setters use strlen(). */
static char location[] = {'/','f','/','a','?','k','&','e', 0};
/* Getter for the header option Content-Type. If the option is not set, text/plain is returned by default. */
unsigned int content_type = REST.get_header_content_type(request);
/* The other getters copy the value (or string/array pointer) to the given pointers and return 1 for success or the length of strings/arrays. */
uint32_t max_age = 0;
const char *str = "";
uint32_t observe = 0;
const uint8_t *bytes = NULL;
uint32_t block_num = 0;
uint8_t block_more = 0;
uint16_t block_size = 0;
const char *query = "";
int len = 0;
/* Mirror the received header options in the response payload. Unsupported getters (e.g., rest_get_header_observe() with HTTP) will return 0. */
int strpos = 0;
/* snprintf() counts the terminating '\0' to the size parameter.
* Add +1 to fill the complete buffer.
* The additional byte is taken care of by allocating REST_MAX_CHUNK_SIZE+1 bytes in the REST framework. */
strpos += snprintf((char *)buffer, REST_MAX_CHUNK_SIZE+1, "CT %u\n", content_type);
/* Some getters such as for ETag or Location are omitted, as these options should not appear in a request.
* Max-Age might appear in HTTP requests or used for special purposes in CoAP. */
if (REST.get_header_max_age(request, &max_age))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "MA %lu\n", max_age);
}
if ((len = REST.get_header_host(request, &str)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "UH %.*s\n", len, str);
}
/* CoAP-specific example: actions not required for normal RESTful Web service. */
#if WITH_COAP > 1
if (coap_get_header_observe(request, &observe))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "Ob %lu\n", observe);
}
if ((len = coap_get_header_token(request, &bytes)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "To 0x");
int index = 0;
for (index = 0; index<len; ++index) {
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "%02X", bytes[index]);
}
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "\n");
}
if ((len = coap_get_header_etag(request, &bytes)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "ET 0x");
int index = 0;
for (index = 0; index<len; ++index) {
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "%02X", bytes[index]);
}
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "\n");
}
if ((len = coap_get_header_uri_path(request, &str)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "UP ");
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "%.*s\n", len, str);
}
#if WITH_COAP == 3
if ((len = coap_get_header_location(request, &str)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "Lo %.*s\n", len, str);
}
if (coap_get_header_block(request, &block_num, &block_more, &block_size, NULL)) /* This getter allows NULL pointers to get only a subset of the block parameters. */
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "Bl %lu%s (%u)\n", block_num, block_more ? "+" : "", block_size);
}
#elif WITH_COAP >= 5
if ((len = coap_get_header_location_path(request, &str)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "LP %.*s\n", len, str);
}
if ((len = coap_get_header_location_query(request, &str)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "LQ %.*s\n", len, str);
}
if (coap_get_header_block2(request, &block_num, &block_more, &block_size, NULL)) /* This getter allows NULL pointers to get only a subset of the block parameters. */
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "B2 %lu%s (%u)\n", block_num, block_more ? "+" : "", block_size);
}
if (coap_get_header_block1(request, &block_num, &block_more, &block_size, NULL)) /* This getter allows NULL pointers to get only a subset of the block parameters. */
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "B1 %lu%s (%u)\n", block_num, block_more ? "+" : "", block_size);
}
#if WITH_COAP >= 7
#endif
#endif
#endif /* CoAP-specific example */
if ((len = REST.get_query(request, &query)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "Qu %.*s\n", len, query);
}
if ((len = REST.get_request_payload(request, &bytes)))
{
strpos += snprintf((char *)buffer+strpos, REST_MAX_CHUNK_SIZE-strpos+1, "%.*s", len, bytes);
}
if (strpos == REST_MAX_CHUNK_SIZE)
{
buffer[REST_MAX_CHUNK_SIZE-1] = 0xBB; /* '»' to indicate truncation */
}
REST.set_response_payload(response, buffer, strpos);
PRINTF("/mirror options received: %s\n", buffer);
/* Set dummy header options for response. Like getters, some setters are not implemented for HTTP and have no effect. */
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_header_max_age(response, 10); /* For HTTP, browsers will not re-request the page for 10 seconds. CoAP action depends on the client. */
REST.set_header_etag(response, opaque, 2);
REST.set_header_location(response, location); /* Initial slash is omitted by framework */
/* CoAP-specific example: actions not required for normal RESTful Web service. */
#if WITH_COAP > 1
coap_set_header_uri_host(response, "tiki");
coap_set_header_observe(response, 10);
#if WITH_COAP == 3
coap_set_header_block(response, 42, 0, 64); /* The block option might be overwritten by the framework when blockwise transfer is requested. */
#elif WITH_COAP >= 5
coap_set_header_proxy_uri(response, "ftp://x");
coap_set_header_block2(response, 42, 0, 64); /* The block option might be overwritten by the framework when blockwise transfer is requested. */
coap_set_header_block1(response, 23, 0, 16);
#if WITH_COAP >= 7
coap_set_header_accept(response, TEXT_PLAIN);
coap_set_header_if_none_match(response);
#endif
#endif
#endif /* CoAP-specific example */
}
#endif /* REST_RES_MIRROR */
#if REST_RES_CHUNKS
/*
* For data larger than REST_MAX_CHUNK_SIZE (e.g., stored in flash) resources must be aware of the buffer limitation
* and split their responses by themselves. To transfer the complete resource through a TCP stream or CoAP's blockwise transfer,
* the byte offset where to continue is provided to the handler as int32_t pointer.
* These chunk-wise resources must set the offset value to its new position or -1 of the end is reached.
* (The offset for CoAP's blockwise transfer can go up to 2'147'481'600 = ~2047 M for block size 2048 (reduced to 1024 in observe-03.)
*/
RESOURCE(chunks, METHOD_GET, "debug/chunks", "title=\"Blockwise demo\";rt=\"Data\"");
#define CHUNKS_TOTAL 2050
void
chunks_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int32_t strpos = 0;
/* Check the offset for boundaries of the resource data. */
if (*offset>=CHUNKS_TOTAL)
{
REST.set_response_status(response, REST.status.BAD_OPTION);
/* A block error message should not exceed the minimum block size (16). */
REST.set_response_payload(response, (uint8_t*)"BlockOutOfScope", 15);
return;
}
/* Generate data until reaching CHUNKS_TOTAL. */
while (strpos<preferred_size)
{
strpos += snprintf((char *)buffer+strpos, preferred_size-strpos+1, "|%ld|", *offset);
}
/* snprintf() does not adjust return value if truncated by size. */
if (strpos > preferred_size)
{
strpos = preferred_size;
}
/* Truncate if above total size. */
if (*offset+(int32_t)strpos > CHUNKS_TOTAL)
{
strpos = CHUNKS_TOTAL - *offset;
}
REST.set_response_payload(response, buffer, strpos);
/* IMPORTANT for chunk-wise resources: Signal chunk awareness to REST engine. */
*offset += strpos;
/* Signal end of resource representation. */
if (*offset>=CHUNKS_TOTAL)
{
*offset = -1;
}
}
#endif
#if REST_RES_POLLING
/*
* Example for a periodic resource.
* It takes an additional period parameter, which defines the interval to call [name]_periodic_handler().
* A default post_handler takes care of subscriptions by managing a list of subscribers to notify.
*/
PERIODIC_RESOURCE(polling, METHOD_GET, "debug/poll", "title=\"Periodic demo\";rt=\"Observable\"", 5*CLOCK_SECOND);
void
polling_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)"It's periodic!", 14);
/* A post_handler that handles subscriptions will be called for periodic resources by the REST framework. */
}
/*
* Additionally, a handler function named [resource name]_handler must be implemented for each PERIODIC_RESOURCE.
* It will be called by the REST manager process with the defined period.
*/
int
polling_periodic_handler(resource_t *r)
{
static uint32_t periodic_i = 0;
static char content[16];
PRINTF("TICK /%s\n", r->url);
periodic_i = periodic_i + 1;
/* Notify the registered observers with the given message type, observe option, and payload. */
REST.notify_subscribers(r->url, 1, periodic_i, (uint8_t *)content, snprintf(content, sizeof(content), "TICK %lu", periodic_i));
/* |-> implementation-specific, e.g. CoAP: 1=CON and 0=NON notification */
return 1;
}
#endif
#if defined (PLATFORM_HAS_BUTTON) && REST_RES_EVENT
/*
* Example for an event resource.
* Additionally takes a period parameter that defines the interval to call [name]_periodic_handler().
* A default post_handler takes care of subscriptions and manages a list of subscribers to notify.
*/
EVENT_RESOURCE(event, METHOD_GET, "sensors/button", "title=\"Event demo\";rt=\"Observable\"");
void
event_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)"It's eventful!", 14);
/* A post_handler that handles subscriptions/observing will be called for periodic resources by the framework. */
}
/* Additionally, a handler function named [resource name]_event_handler must be implemented for each PERIODIC_RESOURCE defined.
* It will be called by the REST manager process with the defined period. */
int
event_event_handler(resource_t *r)
{
static uint32_t event_i = 0;
static char content[10];
PRINTF("EVENT /%s\n", r->url);
++event_i;
/* Notify registered observers with the given message type, observe option, and payload.
* The token will be set automatically. */
// FIXME provide a rest_notify_subscribers call; how to manage specific options such as COAP_TYPE?
REST.notify_subscribers(r->url, 0, event_i, content, snprintf(content, sizeof(content), "EVENT %lu", event_i));
return 1;
}
#endif /* PLATFORM_HAS_BUTTON */
#if defined (PLATFORM_HAS_LEDS)
#if REST_RES_LEDS
/*A simple actuator example, depending on the color query parameter and post variable mode, corresponding led is activated or deactivated*/
RESOURCE(leds, METHOD_POST | METHOD_PUT , "actuators/leds", "title=\"LEDs: ?color=r|g|b, POST/PUT mode=on|off\";rt=\"Control\"");
void
leds_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
size_t len = 0;
const char *color = NULL;
const char *mode = NULL;
uint8_t led = 0;
int success = 1;
if ((len=REST.get_query_variable(request, "color", &color))) {
PRINTF("color %.*s\n", len, color);
if (strncmp(color, "r", len)==0) {
led = LEDS_RED;
} else if(strncmp(color,"g", len)==0) {
led = LEDS_GREEN;
} else if (strncmp(color,"b", len)==0) {
led = LEDS_BLUE;
} else {
success = 0;
}
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "mode", &mode))) {
PRINTF("mode %s\n", mode);
if (strncmp(mode, "on", len)==0) {
leds_on(led);
} else if (strncmp(mode, "off", len)==0) {
leds_off(led);
} else {
success = 0;
}
} else {
success = 0;
}
if (!success) {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}
#endif
#if REST_RES_TOGGLE
/* A simple actuator example. Toggles the red led */
RESOURCE(toggle, METHOD_GET | METHOD_PUT | METHOD_POST, "actuators/toggle", "title=\"Red LED\";rt=\"Control\"");
void
toggle_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
leds_toggle(LEDS_RED);
}
#endif
#endif /* PLATFORM_HAS_LEDS */
#if defined (PLATFORM_HAS_LIGHT) && REST_RES_LIGHT
/* A simple getter example. Returns the reading from light sensor with a simple etag */
RESOURCE(light, METHOD_GET, "sensors/light", "title=\"Photosynthetic and solar light (supports JSON)\";rt=\"LightSensor\"");
void
light_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
uint16_t light_photosynthetic = light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC);
uint16_t light_solar = light_sensor.value(LIGHT_SENSOR_TOTAL_SOLAR);
uint16_t *accept = NULL;
int num = REST.get_header_accept(request, &accept);
if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
{
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf(buffer, REST_MAX_CHUNK_SIZE, "%u;%u", light_photosynthetic, light_solar);
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
}
else if (num && (accept[0]==REST.type.APPLICATION_XML))
{
REST.set_header_content_type(response, REST.type.APPLICATION_XML);
snprintf(buffer, REST_MAX_CHUNK_SIZE, "<light photosynthetic=\"%u\" solar=\"%u\"/>", light_photosynthetic, light_solar);
REST.set_response_payload(response, buffer, strlen(buffer));
}
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
{
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf(buffer, REST_MAX_CHUNK_SIZE, "{'light':{'photosynthetic':%u,'solar':%u}}", light_photosynthetic, light_solar);
REST.set_response_payload(response, buffer, strlen(buffer));
}
else
{
REST.set_response_status(response, REST.status.UNSUPPORTED_MADIA_TYPE);
REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain, application/xml, and application/json", 74);
}
}
#endif /* PLATFORM_HAS_LIGHT */
#if defined (PLATFORM_HAS_BATTERY) && REST_RES_BATTERY
/* A simple getter example. Returns the reading from light sensor with a simple etag */
RESOURCE(battery, METHOD_GET, "sensors/battery", "title=\"Battery status\";rt=\"Battery\"");
void
battery_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int battery = battery_sensor.value(0);
uint16_t *accept = NULL;
int num = REST.get_header_accept(request, &accept);
if ((num==0) || (num && accept[0]==REST.type.TEXT_PLAIN))
{
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf(buffer, REST_MAX_CHUNK_SIZE, "%d", battery);
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
}
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
{
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
snprintf(buffer, REST_MAX_CHUNK_SIZE, "{'battery':%d}", battery);
REST.set_response_payload(response, buffer, strlen(buffer));
}
else
{
REST.set_response_status(response, REST.status.UNSUPPORTED_MADIA_TYPE);
REST.set_response_payload(response, (uint8_t *)"Supporting content-types text/plain and application/json", 56);
}
}
#endif /* PLATFORM_HAS_BATTERY */
PROCESS(rest_server_example, "Rest Server Example");
AUTOSTART_PROCESSES(&rest_server_example);
PROCESS_THREAD(rest_server_example, ev, data)
{
PROCESS_BEGIN();
PRINTF("Rest Example\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);
/* if static routes are used rather than RPL */
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET)
set_global_address();
configure_routing();
#endif
/* Initialize the REST framework. */
rest_init_framework();
/* Activate the application-specific resources. */
#if REST_RES_HELLO
rest_activate_resource(&resource_helloworld);
#endif
#if REST_RES_MIRROR
rest_activate_resource(&resource_mirror);
#endif
#if REST_RES_CHUNKS
rest_activate_resource(&resource_chunks);
#endif
#if REST_RES_POLLING
rest_activate_periodic_resource(&periodic_resource_polling);
#endif
#if defined (PLATFORM_HAS_BUTTON) && REST_RES_EVENT
SENSORS_ACTIVATE(button_sensor);
rest_activate_event_resource(&resource_event);
#endif
#if defined (PLATFORM_HAS_LEDS)
#if REST_RES_LEDS
rest_activate_resource(&resource_leds);
#endif
#if REST_RES_TOGGLE
rest_activate_resource(&resource_toggle);
#endif
#endif /* PLATFORM_HAS_LEDS */
#if defined (PLATFORM_HAS_LIGHT) && REST_RES_LIGHT
SENSORS_ACTIVATE(light_sensor);
rest_activate_resource(&resource_light);
#endif
#if defined (PLATFORM_HAS_BATTERY) && REST_RES_BATTERY
SENSORS_ACTIVATE(battery_sensor);
rest_activate_resource(&resource_battery);
#endif
/* Define application-specific events here. */
while(1) {
PROCESS_WAIT_EVENT();
#if defined (PLATFORM_HAS_BUTTON) && REST_RES_EVENT
if (ev == sensors_event && data == &button_sensor) {
PRINTF("BUTTON\n");
/* Call the event_handler for this application-specific event. */
event_event_handler(&resource_event);
}
#endif /* PLATFORM_HAS_BUTTON */
} /* while (1) */
PROCESS_END();
}
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