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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/udp_api.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/udp_api.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/udp_api.h new file mode 100644 index 0000000..8efa378 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/ipv6_stack/include/udp_api.h @@ -0,0 +1,255 @@ +/** + * 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. + * + */ +/** @file udp_api.h + * + * @defgroup iot_udp UDP Application Interface for Nordic's IPv6 stack + * @ingroup iot_sdk_stack + * @{ + * @brief Nordic User Datagram Protocol Application Interface for Nordic's IPv6 stack. + * + * @details This module provides basic features related to User Datagram Protocol (UDP) support. + */ + +#ifndef UDP_API_H__ +#define UDP_API_H__ + +#include "sdk_config.h" +#include "sdk_common.h" +#include "iot_defines.h" +#include "ipv6_api.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief UDP socket reference. + */ +typedef struct +{ + uint32_t socket_id; /**< UDP socket identifier. */ + void * p_app_data; /**< Pointer to application data mapped by the application to the socket. If no mapping is provided by the application using the @ref udp6_socket_app_data_set API, this pointer is NULL. */ +} udp6_socket_t; + +/** + * @brief UDP data receive callback. + * + * @details API used to notify the application of UDP packets received. If the received data is + * malformed (for example, a checksum error), the packet is still notified to the application. + * The process_result parameter indicates whether the packet was successfully processed by UDP. + * The application should check process_result before + * consuming the packet. + * + * @param[in] p_socket Reference to the socket on which the data is received. + * @param[in] p_ip6_header Pointer to the IP header of the received ICMP packet. + * @param[in] p_udp_header Pointer to the UDP header of the received packet. + * @param[in] process_result Notifies the application if the UDP packet was processed successfully success or + * if an error occurred, for example, the packet was malformed. + * @param[in] p_rx_packet Packet buffer containing the received packed. p_rx_packet->p_payload + * contains the UDP payload. + * + * @returns A provision for the application to notify the module of whether the received packet was + * processed successfully by application. The application may take ownership of the received + * packet by returning IOT_IPV6_ERR_PENDING, in which case the application must take care to + * free it using @ref iot_pbuffer_free. + */ +typedef uint32_t (* udp6_handler_t)(const udp6_socket_t * p_socket, + const ipv6_header_t * p_ip_header, + const udp6_header_t * p_udp_header, + uint32_t process_result, + iot_pbuffer_t * p_rx_packet); + + +/** + * @brief Allocates a UDP socket. + * + * @details This API should be called to be assigned a UDP socket. The maximum number of sockets that can + * be allocated using the API is determined by the define UDP6_MAX_SOCKET_COUNT. + * + * @param[out] p_socket Reference to the allocated socket is provided in the pointer if the procedure + * was successful. Should not be NULL. + * + * @retval NRF_SUCCESS If the socket was allocated successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + */ +uint32_t udp6_socket_allocate(udp6_socket_t * p_socket); + + +/** + * @brief Frees an allocated UDP socket. + * + * @details API used to free a socket allocated using @ref udp6_socket_allocate. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * + * @retval NRF_SUCCESS If the socket was freed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_free(const udp6_socket_t * p_socket); + + +/** + * @brief Registers callback to be notified of data received on a socket. + * + * @details API to register a callback to be notified of data received on a socket. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * @param[in] callback Callback being registered to receive data. Should not be NULL. + * + * @retval NRF_SUCCESS If the procedure was executed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_recv(const udp6_socket_t * p_socket, + const udp6_handler_t callback); + + +/** + * @brief Binds a UDP socket to a specific port and address. + * + * @details API used to bind a UDP socket to a local port and an address. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * @param[in] p_src_addr Local IPv6 address to be bound on specific socket. + * @param[in] src_port Local UDP port to be bound on specific socket. + * + * @retval NRF_SUCCESS If the procedure was executed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_bind(const udp6_socket_t * p_socket, + const ipv6_addr_t * p_src_addr, + uint16_t src_port); + + +/** + * @brief Connects a UDP socket to aspecific port and address. + * + * @details API used to connect a UDP socket to a remote port and remote address. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * @param[in] p_dest_addr IPv6 address of the remote destination. + * @param[in] dest_port Remote USP port to connect the socket to. + * + * @retval NRF_SUCCESS If the connection was established successfully. + */ +uint32_t udp6_socket_connect(const udp6_socket_t * p_socket, + const ipv6_addr_t * p_dest_addr, + uint16_t dest_port); + + +/** + * @brief Sends a UDP packet on a specific socket. + * + * @details API used to send UDP data over a UDP socket. Remote port and address must be set with + * \ref udp6_socket_connect() before using this API. + * + * Applications that call this function should allocate a packet with type + * UDP6_PACKET_TYPE (set in the allocation + * parameter) before calling the function. + * + * The application shall not free the allocated packet buffer if the procedure was + * successful, to ensure that no data copies are needed when transmitting a packet. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * @param[in] p_packet Data to be transmitted on the socket. The application should allocate a packet + * buffer with type UDP6_PACKET_TYPE using \ref iot_pbuffer_allocate. + * p_packet->p_payload and p_packet->length should be appropriately + * populated by the application to contain the payload and length of the UDP + * packet, respectively. + * + * @retval NRF_SUCCESS If the procedure was executed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_send(const udp6_socket_t * p_socket, + iot_pbuffer_t * p_packet); + + +/** + * @brief Sends a UDP packet on a specific socket to a remote address and port. + * + * @details API used to send UDP data over a UDP socket. + * + * @param[in] p_socket Handle reference to the socket. Should not be NULL. + * @param[in] p_dest_addr IPv6 address of the remote destination. + * @param[in] dest_port Remote UDP port to which data transmission is requested. + * @param[in] p_packet Data to be transmitted on the socket. Application should allocate a + * packet buffer with type UDP6_PACKET_TYPE using \ref + * iot_pbuffer_allocate. p_packet->p_payload and p_packet->length should + * be appropriately populated by the application to contain the payload and + * length of the UDP packet, respectively. + * + * @retval NRF_SUCCESS If the procedure was executed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_sendto(const udp6_socket_t * p_socket, + const ipv6_addr_t * p_dest_addr, + uint16_t dest_port, + iot_pbuffer_t * p_packet); + + +/** + * @brief Sets application data for a socket. + * + * @details A utility API that allows the application to set any application specific mapping with the + * UDP Socket. The UDP module remembers the pointer provided by the application as long as the + * socket is not freed and if receive data callback is called each time as part of + * udp_socket_t. + * + * @param[in] p_socket Pointer to the socket for which the application data mapping is being set. + * A pointer to the application data should be provided by setting the + * p_socket->p_app_data field. + * + * @retval NRF_SUCCESS If the procedure was executed successfully. Otherwise, an + * error code that indicates the reason for the failure is returned. + * + */ +uint32_t udp6_socket_app_data_set(const udp6_socket_t * p_socket); + +#ifdef __cplusplus +} +#endif + +#endif //UDP_API_H__ + +/**@} */ |