diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/coap/coap_queue.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/coap/coap_queue.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/coap/coap_queue.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/coap/coap_queue.c new file mode 100644 index 0000000..4e12bb6 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/coap/coap_queue.c @@ -0,0 +1,182 @@ +/** + * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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 Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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. + * + */ +#include <string.h> + +#include "coap_queue.h" +#include "iot_common.h" +#include "sdk_config.h" + +#if (COAP_DISABLE_API_PARAM_CHECK == 0) + +/**@brief Verify NULL parameters are not passed to API by application. */ +#define NULL_PARAM_CHECK(PARAM) \ + if ((PARAM) == NULL) \ + { \ + return (NRF_ERROR_NULL | IOT_COAP_ERR_BASE); \ + } +#else + +#define NULL_PARAM_CHECK(PARAM) + +#endif // COAP_DISABLE_API_PARAM_CHECK + +static coap_queue_item_t m_queue[COAP_MESSAGE_QUEUE_SIZE]; +static uint8_t m_message_queue_count = 0; + +uint32_t coap_queue_init(void) +{ + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + memset(&m_queue[i], 0, sizeof(coap_queue_item_t)); + m_queue[i].handle = i; + } + m_message_queue_count = 0; + + return NRF_SUCCESS; +} + +uint32_t coap_queue_add(coap_queue_item_t * item) +{ + NULL_PARAM_CHECK(item); + + if (m_message_queue_count >= COAP_MESSAGE_QUEUE_SIZE) + { + return (NRF_ERROR_NO_MEM | IOT_COAP_ERR_BASE); + } + else + { + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (m_queue[i].p_buffer == NULL) + { + // Free spot in message queue. Add message here... + memcpy(&m_queue[i], item, sizeof(coap_queue_item_t)); + + m_message_queue_count++; + + return NRF_SUCCESS; + } + } + + } + return (NRF_ERROR_DATA_SIZE | IOT_COAP_ERR_BASE); +} + +uint32_t coap_queue_remove(coap_queue_item_t * p_item) +{ + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (p_item == (coap_queue_item_t *)&m_queue[i]) + { + memset(&m_queue[i], 0, sizeof(coap_queue_item_t)); + m_message_queue_count--; + return NRF_SUCCESS; + } + } + + return (NRF_ERROR_NOT_FOUND | IOT_COAP_ERR_BASE); +} + +uint32_t coap_queue_item_by_token_get(coap_queue_item_t ** pp_item, uint8_t * p_token, uint8_t token_len) +{ + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (m_queue[i].token_len == token_len) + { + if ((0 != m_queue[i].token_len) && + (memcmp(m_queue[i].token, p_token, m_queue[i].token_len) == 0)) + { + *pp_item = &m_queue[i]; + return NRF_SUCCESS; + } + } + } + + return (NRF_ERROR_NOT_FOUND | IOT_COAP_ERR_BASE); +} + + +uint32_t coap_queue_item_by_mid_get(coap_queue_item_t ** pp_item, uint16_t message_id) +{ + + + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (m_queue[i].mid == message_id) + { + *pp_item = &m_queue[i]; + return NRF_SUCCESS; + } + } + + return (NRF_ERROR_NOT_FOUND | IOT_COAP_ERR_BASE); +} + + +uint32_t coap_queue_item_next_get(coap_queue_item_t ** pp_item, coap_queue_item_t * p_item) +{ + if (p_item == NULL) + { + for (uint8_t i = 0; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (m_queue[i].p_buffer != NULL) + { + (*pp_item) = &m_queue[i]; + return NRF_SUCCESS; + } + } + } + else + { + uint8_t index_to_previous = (uint8_t)(((uint32_t)p_item - (uint32_t)m_queue) / (uint32_t)sizeof(coap_queue_item_t)); + + for (uint8_t i = index_to_previous + 1; i < COAP_MESSAGE_QUEUE_SIZE; i++) + { + if (m_queue[i].p_buffer != NULL) + { + (*pp_item) = &m_queue[i]; + return NRF_SUCCESS; + } + } + } + (*pp_item) = NULL; + + return (NRF_ERROR_NOT_FOUND | IOT_COAP_ERR_BASE); +} |