openjpeg/src/lib/openjpip/sock_manager.h

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/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* 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 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
*/
#ifndef SOCK_MANAGER_H_
# define SOCK_MANAGER_H_
#include "byte_manager.h"
#include "opj_stdint.h"
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#ifdef _WIN32
#include <winsock.h>
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#else
typedef int SOCKET;
#endif /*_WIN32*/
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#define BUF_LEN 256
/**
* open listening socket
*
* @param port opening port number
* @return new socket
*/
SOCKET open_listeningsocket( uint16_t port);
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/**
* accept a new connection to the listenning socket
*
* @param listening_socket listenning socket
* @return connected socket (-1 if error occurs)
*/
SOCKET accept_socket( SOCKET listening_socket);
/**
* receive a string line (ending with '\n') from client
*
* @param [in] connected_socket file descriptor of the connected socket
* @param [out] buf string to be stored
* @return red size
*/
OPJ_SIZE_T receive_line(SOCKET connected_socket, char *buf);
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/**
* receive a string line (ending with '\n') from client, return malloc string
*
* @param [in] connected_socket file descriptor of the connected socket
* @return pointer to the string (memory allocated)
*/
char * receive_string( SOCKET connected_socket);
/**
* receive data stream to client
*
* @param [in] connected_socket file descriptor of the connected socket
* @param [in] length length of the receiving stream
* @return pointer to the data stream (memory allocated), NULL if failed
*/
void * receive_stream( SOCKET connected_socket, OPJ_SIZE_T length);
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/**
* send data stream to client
*
* @param [in] connected_socket file descriptor of the connected socket
* @param [in] stream data stream
* @param [in] length length of data stream
*/
void send_stream( SOCKET connected_socket, const void *stream, OPJ_SIZE_T length);
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/**
* close socket
*
* @param [in] sock closing socket
* @return 0 if succeed, -1 if failed
*/
int close_socket( SOCKET sock);
#endif /* !SOCK_MANAGER_H_ */