nsdlaccesshelper.cpp

00001 /*
00002  * Copyright (c) 2015 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "include/nsdlaccesshelper.h"
00017 #include "include/m2mnsdlinterface.h"
00018 
00019 #include <stdlib.h>
00020 
00021 // callback function for NSDL library to call into
00022 uint8_t __nsdl_c_callback(struct nsdl_s *nsdl_handle,
00023                           sn_coap_hdr_s *received_coap_ptr,
00024                           sn_nsdl_addr_s *address,
00025                           sn_nsdl_capab_e nsdl_capab)
00026 {
00027     uint8_t status = 0;
00028     M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(nsdl_handle);
00029     if(interface) {
00030         status = interface->resource_callback(nsdl_handle,received_coap_ptr,
00031                                                      address, nsdl_capab);
00032         // Payload freeing must be done in app level if blockwise message
00033         if (received_coap_ptr->coap_status == COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED) {
00034             free(received_coap_ptr->payload_ptr);
00035             received_coap_ptr->payload_ptr = NULL;
00036         }
00037     }
00038     return status;
00039 }
00040 
00041 void* __nsdl_c_memory_alloc(uint16_t size)
00042 {
00043     if(size)
00044         return malloc(size);
00045     else
00046         return 0;
00047 }
00048 
00049 void __nsdl_c_memory_free(void *ptr)
00050 {
00051     if(ptr)
00052         free(ptr);
00053 }
00054 
00055 uint8_t __nsdl_c_send_to_server(struct nsdl_s * nsdl_handle,
00056                                 sn_nsdl_capab_e protocol,
00057                                 uint8_t *data_ptr,
00058                                 uint16_t data_len,
00059                                 sn_nsdl_addr_s *address_ptr)
00060 {
00061     uint8_t status = 0;
00062     M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(nsdl_handle);
00063     if(interface) {
00064         status = interface->send_to_server_callback(nsdl_handle,
00065                                                            protocol, data_ptr,
00066                                                            data_len, address_ptr);
00067     }
00068     return status;
00069 }
00070 
00071 uint8_t __nsdl_c_received_from_server(struct nsdl_s * nsdl_handle,
00072                                       sn_coap_hdr_s *coap_header,
00073                                       sn_nsdl_addr_s *address_ptr)
00074 {
00075     uint8_t status = 0;
00076     M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(nsdl_handle);
00077     if(interface) {
00078         status = interface->received_from_server_callback(nsdl_handle,
00079                                                                  coap_header,
00080                                                                  address_ptr);
00081     }
00082     return status;
00083 }
00084 
00085 uint8_t __nsdl_c_auto_obs_token(struct nsdl_s *nsdl_handle, const char *path, uint8_t *token)
00086 {
00087     M2MNsdlInterface *interface = (M2MNsdlInterface*)sn_nsdl_get_context(nsdl_handle);
00088     if(interface) {
00089         return interface->find_auto_obs_token(path, token);
00090     }
00091     return 0;
00092 }
00093 
00094 void* __socket_malloc( void * context, size_t size)
00095 {
00096     (void) context;
00097     return malloc(size);
00098 }
00099 
00100 void __socket_free(void * context, void * ptr)
00101 {
00102     (void) context;
00103     free(ptr);
00104 }
00105