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Added sub-resource example.

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This commit is contained in:
Matthias Kovatsch 2012-06-09 12:20:57 +02:00
parent ed66cfa364
commit 9096da299e
1 changed files with 46 additions and 12 deletions
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58
examples/er-rest-example/er-example-server.c
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@ -50,6 +50,7 @@
#define REST_RES_SEPARATE 1
#define REST_RES_PUSHING 1
#define REST_RES_EVENT 1
#define REST_RES_SUB 1
#define REST_RES_LEDS 1
#define REST_RES_TOGGLE 1
#define REST_RES_LIGHT 0
@ -533,6 +534,36 @@ event_event_handler(resource_t *r)
}
#endif /* PLATFORM_HAS_BUTTON */
/******************************************************************************/
#if REST_RES_SUB
/*
* Example for a resource that also handles all its sub-resources.
* Use REST.get_url() to multiplex the handling of the request depending on the Uri-Path.
*/
RESOURCE(sub, METHOD_GET | HAS_SUB_RESOURCES, "test/path", "title=\"Sub-resource demo\"");
void
sub_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);
const char *uri_path = NULL;
int len = REST.get_url(request, &uri_path);
int base_len = strlen(resource_sub.url);
if (len==base_len)
{
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "Request any sub-resource of /%s", resource_sub.url);
}
else
{
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, ".%s", uri_path+base_len);
}
REST.set_response_payload(response, buffer, strlen((char *)buffer));
}
#endif
/******************************************************************************/
#if defined (PLATFORM_HAS_LEDS)
/******************************************************************************/
@ -613,23 +644,23 @@ light_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred
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);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%u;%u", light_photosynthetic, light_solar);
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)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);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "<light photosynthetic=\"%u\" solar=\"%u\"/>", light_photosynthetic, light_solar);
REST.set_response_payload(response, buffer, strlen(buffer));
REST.set_response_payload(response, buffer, strlen((char *)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);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'light':{'photosynthetic':%u,'solar':%u}}", light_photosynthetic, light_solar);
REST.set_response_payload(response, buffer, strlen(buffer));
REST.set_response_payload(response, buffer, strlen((char *)buffer));
}
else
{
@ -655,16 +686,16 @@ battery_handler(void* request, void* response, uint8_t *buffer, uint16_t preferr
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);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", battery);
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)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);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'battery':%d}", battery);
REST.set_response_payload(response, buffer, strlen(buffer));
REST.set_response_payload(response, buffer, strlen((char *)buffer));
}
else
{
@ -710,7 +741,7 @@ radio_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", radio_sensor.value(param));
REST.set_response_payload(response, (uint8_t *)buffer, strlen(buffer));
REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
}
else if (num && (accept[0]==REST.type.APPLICATION_JSON))
{
@ -722,7 +753,7 @@ radio_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{'rssi':%d}", radio_sensor.value(param));
}
REST.set_response_payload(response, buffer, strlen(buffer));
REST.set_response_payload(response, buffer, strlen((char *)buffer));
}
else
{
@ -791,6 +822,9 @@ PROCESS_THREAD(rest_server_example, ev, data)
#if defined (PLATFORM_HAS_BUTTON) && (REST_RES_EVENT || (REST_RES_SEPARATE && WITH_COAP > 3))
SENSORS_ACTIVATE(button_sensor);
#endif
#if REST_RES_SUB
rest_activate_resource(&resource_sub);
#endif
#if defined (PLATFORM_HAS_LEDS)
#if REST_RES_LEDS
rest_activate_resource(&resource_leds);