99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file udp_eNB_task.h
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* \brief
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* \author Sebastien ROUX, Lionel Gauthier
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* \company Eurecom
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* \email: lionel.gauthier@eurecom.fr
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*/
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#include <pthread.h>
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#include <stdint.h>
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#ifndef UDP_ENB_TASK_H_
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#define UDP_ENB_TASK_H_
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#include "enb_config.h"
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#include "intertask_interface_types.h"
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/** \brief UDP recv callback prototype. Will be called every time a payload is
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* received on socket.
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* \param port Port on which data had been received
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* \param address Sender Ipv4 address
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* \param buffer Pointer to data (should be freed by user)
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* \param length Length of message received
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* \param arg_p User provided argument (transparent for wrappers)
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* @returns Execution result
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*/
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typedef int (*udp_recv_callback)(uint16_t port,
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uint32_t address,
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uint8_t *buffer,
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uint32_t length,
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void *arg_p);
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typedef struct {
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int sd; /* Socket descriptor to use */
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pthread_t listener_thread; /* Thread affected to recv */
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char *local_address; /* Local ipv4 address to use */
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uint16_t local_port; /* Local port to use */
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task_id_t task_id; /* Task who has requested the new endpoint */
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} udp_data_t;
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/** \brief Create new datagram connection-less socket and create new thread
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* for data in downstream.
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* \param ip_addr Local IPv4 address to use
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* \param port Local port to use
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* \param udp_data_p
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* \param recv_callback Pointer to data (should be freed by user)
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* \param arg_p Optionnal argument to pass to recv_callback
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* @returns < 0 on failure or socket descriptor on success
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*/
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int udp_create_connection(char *ip_addr, uint16_t port,
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udp_data_t *udp_data_p,
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udp_recv_callback recv_callback,
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void *arg_p);
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/** \brief Send buffer to remote peer.
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* \param sd socket descriptor to use
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* \param port remote port
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* \param address remote address
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* \param buffer Data buffer to send
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* \param length Buffer length
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* @returns < 0 on failure or socket descriptor on success
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*/
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int udp_send_to(int sd, uint16_t port, uint32_t address,
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const uint8_t *buffer, uint32_t length);
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/** \brief UDP ITTI task on eNB.
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* \param args_p
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* @returns always NULL
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*/
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void *udp_eNB_task(void *args_p);
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/** \brief init UDP layer.
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* \param enb_config_p configuration of eNB
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* @returns always 0
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*/
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int udp_enb_init();
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#endif /* UDP_ENB_TASK_H_ */
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