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/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 1997-2002
* Copyright (C) Miroslav Lichvar 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
**********************************************************************
=======================================================================
This is the header file for the NTP socket I/O bits.
*/
#ifndef GOT_NTP_IO_H
#define GOT_NTP_IO_H
#include "ntp.h"
#include "addressing.h"
/* Function to initialise the module. */
extern void NIO_Initialise(void);
/* Function to finalise the module */
extern void NIO_Finalise(void);
/* Function to obtain a socket for sending client packets */
extern int NIO_OpenClientSocket(NTP_Remote_Address *remote_addr);
/* Function to obtain a socket for sending server/peer packets */
extern int NIO_OpenServerSocket(NTP_Remote_Address *remote_addr);
/* Function to close a socket returned by NIO_OpenClientSocket() */
extern void NIO_CloseClientSocket(int sock_fd);
/* Function to close a socket returned by NIO_OpenServerSocket() */
extern void NIO_CloseServerSocket(int sock_fd);
/* Function to check if socket is a server socket */
extern int NIO_IsServerSocket(int sock_fd);
/* Function to check if a server socket is currently open */
extern int NIO_IsServerSocketOpen(void);
/* Function to check if client packets can be sent to a server */
extern int NIO_IsServerConnectable(NTP_Remote_Address *remote_addr);
/* Function to transmit a packet */
extern int NIO_SendPacket(NTP_Packet *packet, NTP_Remote_Address *remote_addr,
NTP_Local_Address *local_addr, int length, int process_tx);
#endif /* GOT_NTP_IO_H */
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