mbed-os/features/FEATURE_CLIENT/mbed-client/source/nsdlaccesshelper.cpp

139 lines
4.2 KiB
C++

/*
* Copyright (c) 2015 ARM Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "include/nsdlaccesshelper.h"
#include "include/m2mnsdlinterface.h"
M2MNsdlInterfaceList __nsdl_interface_list;
// callback function for NSDL library to call into
M2MConnectionHandler *__connection_handler = NULL;
uint8_t __nsdl_c_callback(struct nsdl_s *nsdl_handle,
sn_coap_hdr_s *received_coap_ptr,
sn_nsdl_addr_s *address,
sn_nsdl_capab_e nsdl_capab)
{
uint8_t status = 0;
M2MNsdlInterface *interface = get_interface(nsdl_handle);
if(interface) {
status = interface->resource_callback(nsdl_handle,received_coap_ptr,
address, nsdl_capab);
// Payload freeing must be done in app level if blockwise message
if (received_coap_ptr &&
received_coap_ptr->options_list_ptr &&
received_coap_ptr->options_list_ptr->block1_len > 0) {
free(received_coap_ptr->payload_ptr);
received_coap_ptr->payload_ptr = NULL;
}
}
return status;
}
void* __nsdl_c_memory_alloc(uint16_t size)
{
if(size)
return malloc(size);
else
return 0;
}
void __nsdl_c_memory_free(void *ptr)
{
if(ptr)
free(ptr);
}
uint8_t __nsdl_c_send_to_server(struct nsdl_s * nsdl_handle,
sn_nsdl_capab_e protocol,
uint8_t *data_ptr,
uint16_t data_len,
sn_nsdl_addr_s *address_ptr)
{
uint8_t status = 0;
M2MNsdlInterface *interface = get_interface(nsdl_handle);
if(interface) {
status = interface->send_to_server_callback(nsdl_handle,
protocol, data_ptr,
data_len, address_ptr);
}
return status;
}
uint8_t __nsdl_c_received_from_server(struct nsdl_s * nsdl_handle,
sn_coap_hdr_s *coap_header,
sn_nsdl_addr_s *address_ptr)
{
uint8_t status = 0;
M2MNsdlInterface *interface = get_interface(nsdl_handle);
if(interface) {
status = interface->received_from_server_callback(nsdl_handle,
coap_header,
address_ptr);
// Payload freeing must be done in app level if blockwise message
if (coap_header &&
coap_header->options_list_ptr &&
coap_header->options_list_ptr->block1_len > 0) {
free(coap_header->payload_ptr);
coap_header->payload_ptr = NULL;
}
}
return status;
}
void* __socket_malloc( void * context, size_t size)
{
(void) context;
return malloc(size);
}
void __socket_free(void * context, void * ptr)
{
(void) context;
free(ptr);
}
M2MNsdlInterface* get_interface(struct nsdl_s* nsdl_handle)
{
M2MNsdlInterfaceList::const_iterator it;
it = __nsdl_interface_list.begin();
M2MNsdlInterface* obj = NULL;
if (nsdl_handle) {
for (; it!=__nsdl_interface_list.end(); it++) {
if ((*it)->get_nsdl_handle() == nsdl_handle) {
obj = *it;
break;
}
}
}
return obj;
}
void __mutex_claim()
{
if(__connection_handler) {
__connection_handler->claim_mutex();
}
}
void __mutex_release()
{
if(__connection_handler) {
__connection_handler->release_mutex();
}
}