109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/*******************************************************************************
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Eurecom OpenAirInterface core network
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Copyright(c) 1999 - 2014 Eurecom
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information
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Openair Admin: openair_admin@eurecom.fr
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Openair Tech : openair_tech@eurecom.fr
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Forums : http://forums.eurecom.fsr/openairinterface
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Address : EURECOM,
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Campus SophiaTech,
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450 Route des Chappes,
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CS 50193
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06904 Biot Sophia Antipolis cedex,
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FRANCE
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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(const Enb_properties_t *enb_config_p);
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#endif /* UDP_ENB_TASK_H_ */
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