mirror of
https://github.com/transmission/transmission
synced 2024-12-27 01:57:52 +00:00
92 lines
3.5 KiB
C
92 lines
3.5 KiB
C
/******************************************************************************
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2005-2008 Transmission authors and contributors
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*****************************************************************************/
|
|
|
|
#include "net.h"
|
|
|
|
/***********************************************************************
|
|
* tr_fdInit
|
|
***********************************************************************
|
|
* Detect the maximum number of open files and initializes things.
|
|
**********************************************************************/
|
|
void tr_fdInit( int globalPeerLimit );
|
|
|
|
void tr_fdClose( void );
|
|
|
|
/**
|
|
* Returns an fd to the specified filename.
|
|
*
|
|
* A small repository of open files is kept to avoid the overhead of continually
|
|
* opening and closing the same files when writing piece data during download.
|
|
* It's also used to ensure that only one client uses the file at a time.
|
|
* Clients must check out a file to use it, then return it, like a library, when done.
|
|
*
|
|
* if write is nonzero and dirname(filename) doesn't exist, dirname is created.
|
|
* if write is nonzero and filename doesn't exist, filename is created.
|
|
* returns the fd if successful; otherwise, one of TR_ERROR_IO_*
|
|
*
|
|
* @see tr_fdFileReturn
|
|
* @see tr_fdFileClose
|
|
*/
|
|
int tr_fdFileCheckout( const char * filename, int write );
|
|
|
|
/**
|
|
* Returns an fd from tr_fdFileCheckout() so that other clients may borrow it.
|
|
*
|
|
* @see tr_fdFileCheckout
|
|
* @see tr_fdFileClose
|
|
*/
|
|
void tr_fdFileReturn( int file );
|
|
|
|
/**
|
|
* Closes a file that's being held by our file repository.
|
|
*
|
|
* If the file isn't checked out, it's closed immediately.
|
|
* If the file is currently checked out, it will be closed upon its return.
|
|
*
|
|
* @see tr_fdFileCheckout
|
|
* @see tr_fdFileReturn
|
|
*/
|
|
void tr_fdFileClose( const char * filename );
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* Sockets
|
|
**********************************************************************/
|
|
int tr_fdSocketCreate( int type, int priority );
|
|
int tr_fdSocketAccept( int b, struct in_addr * addr, tr_port_t * port );
|
|
void tr_fdSocketClose( int s );
|
|
|
|
/***********************************************************************
|
|
* tr_fdClose
|
|
***********************************************************************
|
|
* Frees resources allocated by tr_fdInit.
|
|
**********************************************************************/
|
|
void tr_fdClose( void );
|
|
|
|
|
|
void tr_fdSetPeerLimit( uint16_t n );
|
|
|
|
uint16_t tr_fdGetPeerLimit( void );
|
|
|