mirror of
https://github.com/transmission/transmission
synced 2024-12-25 01:03:01 +00:00
949e02b933
Test socket validity by comparing to TR_BAD_SOCKET instead of various (and sometimes wrong) other tests like `x >= 0`, `x != -1`, `x > 0`, `x > -1`, `x` (valid), and `x < 0`, `x == -1` (invalid).
102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/*
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* This file Copyright (C) 2005-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#include "transmission.h"
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#include "file.h"
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#include "net.h"
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/**
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* @addtogroup file_io File IO
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* @{
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*/
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/***
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****
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***/
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/**
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* Returns an fd to the specified filename.
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*
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* A small pool of open files is kept to avoid the overhead of
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* continually opening and closing the same files when downloading
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* piece data.
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*
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* - if do_write is true, subfolders in torrentFile are created if necessary.
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* - if do_write is true, the target file is created if necessary.
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*
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* on success, a file descriptor >= 0 is returned.
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* on failure, a TR_BAD_SYS_FILE is returned and errno is set.
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*
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* @see tr_fdFileClose
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*/
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tr_sys_file_t tr_fdFileCheckout (tr_session * session,
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int torrent_id,
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tr_file_index_t file_num,
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const char * filename,
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bool do_write,
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tr_preallocation_mode preallocation_mode,
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uint64_t preallocation_file_size);
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tr_sys_file_t tr_fdFileGetCached (tr_session * session,
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int torrent_id,
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tr_file_index_t file_num,
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bool doWrite);
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bool tr_fdFileGetCachedMTime (tr_session * session,
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int torrent_id,
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tr_file_index_t file_num,
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time_t * mtime);
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/**
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* Closes a file that's being held by our file repository.
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*
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* If the file isn't checked out, it's fsync ()ed and close ()d immediately.
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* If the file is currently checked out, it will be closed upon its return.
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*
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* @see tr_fdFileCheckout
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*/
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void tr_fdFileClose (tr_session * session,
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const tr_torrent * tor,
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tr_file_index_t file_num);
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/**
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* Closes all the files associated with a given torrent id
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*/
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void tr_fdTorrentClose (tr_session * session, int torrentId);
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/***********************************************************************
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* Sockets
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**********************************************************************/
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tr_socket_t tr_fdSocketCreate (tr_session * session,
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int domain,
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int type);
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tr_socket_t tr_fdSocketAccept (tr_session * session,
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tr_socket_t listening_sockfd,
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tr_address * addr,
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tr_port * port);
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void tr_fdSocketClose (tr_session * session,
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tr_socket_t s);
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/***********************************************************************
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* tr_fdClose
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***********************************************************************
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* Frees resources allocated by tr_fdInit.
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**********************************************************************/
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void tr_fdClose (tr_session * session);
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/* @} */
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