doubao_chat/lib/net/libduer-device/modules/coap/lightduer_coap_ep.c

123 lines
3.4 KiB
C

/**
* Copyright (2017) Baidu Inc. All rights reserved.
*
* 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.
*/
// Author: Su Hao (suhao@baidu.com)
//
// Description: The CoAP endpoint realization.
#include "lightduer_types.h"
#include "lightduer_lib.h"
#include "lightduer_network_defs.h"
#include "lightduer_coap_defs.h"
#include "lightduer_coap_ep.h"
#include "lightduer_memory.h"
#include "lightduer_ds_log_ca.h"
DUER_INT_IMPL duer_coap_ep_ptr duer_coap_ep_create(const char *name, const char *type,
duer_u32_t lifetime, const duer_addr_t *addr)
{
duer_coap_ep_ptr ptr = DUER_MALLOC(sizeof(duer_coap_ep_t));
if (ptr) {
duer_size_t len;
DUER_MEMSET(ptr, 0, sizeof(duer_coap_ep_t));
if (name && (len = DUER_STRLEN(name)) > 0) {
if ((ptr->name_ptr = DUER_MALLOC(len)) == NULL) {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
goto error;
}
DUER_MEMCPY(ptr->name_ptr, name, len);
ptr->name_len = len;
}
if (type && (len = DUER_STRLEN(type)) > 0) {
if ((ptr->type_ptr = DUER_MALLOC(len)) == NULL) {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
goto error;
}
DUER_MEMCPY(ptr->type_ptr, type, len);
ptr->type_len = len;
}
if ((ptr->lifetime_ptr = DUER_MALLOC(LIFETIME_MAX_LEN)) == NULL) {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
goto error;
}
ptr->lifetime_len = DUER_SNPRINTF(ptr->lifetime_ptr, LIFETIME_MAX_LEN, "%d",
lifetime);
if (addr) {
if ((ptr->address = DUER_MALLOC(sizeof(duer_addr_t))) == NULL) {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
goto error;
}
DUER_MEMCPY(ptr->address, addr, sizeof(duer_addr_t));
if (addr->host) {
ptr->address->host = DUER_MALLOC(addr->host_size);
if (!ptr->address->host) {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
goto error;
}
DUER_MEMCPY(ptr->address->host, addr->host, addr->host_size);
}
}
} else {
DUER_DS_LOG_CA_MEMORY_OVERFLOW();
}
exit:
return ptr;
error:
duer_coap_ep_destroy(ptr);
ptr = NULL;
goto exit;
}
DUER_INT_IMPL duer_status_t duer_coap_ep_destroy(duer_coap_ep_ptr ptr)
{
if (ptr) {
if (ptr->name_ptr) {
DUER_FREE(ptr->name_ptr);
}
if (ptr->type_ptr) {
DUER_FREE(ptr->type_ptr);
}
if (ptr->lifetime_ptr) {
DUER_FREE(ptr->lifetime_ptr);
}
if (ptr->address) {
if (ptr->address->host) {
DUER_FREE(ptr->address->host);
}
DUER_FREE(ptr->address);
}
DUER_FREE(ptr);
}
return DUER_OK;
}