314 lines
13 KiB
C
314 lines
13 KiB
C
/******************************************************************************
|
|
* $Id$
|
|
*
|
|
* Copyright (c) 2005-2006 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.
|
|
*****************************************************************************/
|
|
|
|
#ifndef TR_TRANSMISSION_H
|
|
#define TR_TRANSMISSION_H 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "version.h"
|
|
|
|
#include <inttypes.h>
|
|
#ifndef PRIu64
|
|
# define PRIu64 "lld"
|
|
#endif
|
|
|
|
#define SHA_DIGEST_LENGTH 20
|
|
#ifdef __BEOS__
|
|
# include <StorageDefs.h>
|
|
# define MAX_PATH_LENGTH B_FILE_NAME_LENGTH
|
|
#else
|
|
# define MAX_PATH_LENGTH 1024
|
|
#endif
|
|
|
|
#define TR_DEFAULT_PORT 9090
|
|
#define TR_NOERROR 0
|
|
|
|
/***********************************************************************
|
|
* tr_init
|
|
***********************************************************************
|
|
* Initializes a libtransmission instance. Returns a obscure handle to
|
|
* be passed to all functions below.
|
|
**********************************************************************/
|
|
typedef struct tr_handle_s tr_handle_t;
|
|
tr_handle_t * tr_init();
|
|
|
|
/***********************************************************************
|
|
* tr_getPrefsDirectory
|
|
***********************************************************************
|
|
* Returns the full path to a directory which can be used to store
|
|
* preferences. The string belongs to libtransmission, do not free it.
|
|
**********************************************************************/
|
|
char * tr_getPrefsDirectory();
|
|
|
|
/***********************************************************************
|
|
* tr_setBindPort
|
|
***********************************************************************
|
|
* Sets a "start" port: everytime we start a torrent, we try to bind
|
|
* this port, then the next one and so on until we are successful.
|
|
**********************************************************************/
|
|
void tr_setBindPort( tr_handle_t *, int );
|
|
|
|
/***********************************************************************
|
|
* tr_setUploadLimit
|
|
***********************************************************************
|
|
* Sets the total upload rate limit in KB/s
|
|
**********************************************************************/
|
|
void tr_setUploadLimit( tr_handle_t *, int );
|
|
|
|
/***********************************************************************
|
|
* tr_setDownloadLimit
|
|
***********************************************************************
|
|
* Sets the total download rate limit in KB/s
|
|
**********************************************************************/
|
|
void tr_setDownloadLimit( tr_handle_t *, int );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentCount
|
|
***********************************************************************
|
|
* Returns the count of open torrents
|
|
**********************************************************************/
|
|
int tr_torrentCount( tr_handle_t * h );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentIterate
|
|
***********************************************************************
|
|
* Iterates on open torrents
|
|
**********************************************************************/
|
|
typedef struct tr_torrent_s tr_torrent_t;
|
|
typedef void (*tr_callback_t) ( tr_torrent_t *, void * );
|
|
void tr_torrentIterate( tr_handle_t *, tr_callback_t, void * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentRates
|
|
***********************************************************************
|
|
* Gets the total download and upload rates
|
|
**********************************************************************/
|
|
void tr_torrentRates( tr_handle_t *, float *, float * );
|
|
|
|
/***********************************************************************
|
|
* tr_close
|
|
***********************************************************************
|
|
* Frees memory allocated by tr_init.
|
|
**********************************************************************/
|
|
void tr_close( tr_handle_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentInit
|
|
***********************************************************************
|
|
* Opens and parses torrent file at 'path'. If the file exists and is a
|
|
* valid torrent file, returns an handle and adds it to the list of
|
|
* torrents (but doesn't start it). Returns NULL and sets *error
|
|
* otherwise. If the TR_FSAVEPRIVATE flag is passed then a private copy
|
|
* of the torrent file will be saved.
|
|
**********************************************************************/
|
|
#define TR_EINVALID 1
|
|
#define TR_EUNSUPPORTED 2
|
|
#define TR_EDUPLICATE 3
|
|
#define TR_EOTHER 666
|
|
tr_torrent_t * tr_torrentInit( tr_handle_t *, const char * path,
|
|
int flags, int * error );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentInitSaved
|
|
***********************************************************************
|
|
* Opens and parses a torrent file as with tr_torrentInit, only taking
|
|
* the hash string of a saved torrent file instead of a filename. There
|
|
* are currently no valid flags for this function.
|
|
**********************************************************************/
|
|
tr_torrent_t * tr_torrentInitSaved( tr_handle_t *, const char * hashStr,
|
|
int flags, int * error );
|
|
|
|
typedef struct tr_info_s tr_info_t;
|
|
tr_info_t * tr_torrentInfo( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentScrape
|
|
***********************************************************************
|
|
* Asks the tracker for the count of seeders and leechers. Returns 0
|
|
* and fills 's' and 'l' if successful. Otherwise returns 1 if the
|
|
* tracker doesn't support the scrape protocol, is unreachable or
|
|
* replied with some error. tr_torrentScrape may block up to 20 seconds
|
|
* before returning.
|
|
**********************************************************************/
|
|
int tr_torrentScrape( tr_torrent_t *, int * s, int * l );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentStart
|
|
***********************************************************************
|
|
* Starts downloading. The download is launched in a seperate thread,
|
|
* therefore tr_torrentStart returns immediately.
|
|
**********************************************************************/
|
|
void tr_torrentSetFolder( tr_torrent_t *, const char * );
|
|
char * tr_torrentGetFolder( tr_torrent_t * );
|
|
void tr_torrentStart( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentStop
|
|
***********************************************************************
|
|
* Stops downloading and notices the tracker that we are leaving. The
|
|
* thread keeps running while doing so.
|
|
* The thread will eventually be joined, either:
|
|
* - by tr_torrentStat when the tracker has been successfully noticed,
|
|
* - by tr_torrentStat if the tracker could not be noticed within 60s,
|
|
* - by tr_torrentClose if you choose to remove the torrent without
|
|
* waiting any further.
|
|
**********************************************************************/
|
|
void tr_torrentStop( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_getFinished
|
|
***********************************************************************
|
|
* The first call after a torrent is completed returns 1. Returns 0
|
|
* in other cases.
|
|
**********************************************************************/
|
|
int tr_getFinished( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentStat
|
|
***********************************************************************
|
|
* Returns a pointer to an tr_stat_t structure with updated information
|
|
* on the torrent. The structure belongs to libtransmission (do not
|
|
* free it) and is guaranteed to be unchanged until the next call to
|
|
* tr_torrentStat.
|
|
* The interface should call this function every second or so in order
|
|
* to update itself.
|
|
**********************************************************************/
|
|
typedef struct tr_stat_s tr_stat_t;
|
|
tr_stat_t * tr_torrentStat( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentAvailability
|
|
***********************************************************************
|
|
* Use this to draw an advanced progress bar which is 'size' pixels
|
|
* wide. Fills 'tab' which you must have allocated: each byte is set
|
|
* to either -1 if we have the piece, otherwise it is set to the number
|
|
* of connected peers who have the piece.
|
|
**********************************************************************/
|
|
void tr_torrentAvailability( tr_torrent_t *, int8_t * tab, int size );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentRemoveSaved
|
|
***********************************************************************
|
|
* Removes the private saved copy of a torrent file for torrents which
|
|
* the TR_FSAVEPRIVATE flag is set.
|
|
**********************************************************************/
|
|
void tr_torrentRemoveSaved( tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_torrentClose
|
|
***********************************************************************
|
|
* Frees memory allocated by tr_torrentInit. If the torrent was running,
|
|
* you must call tr_torrentStop() before closing it.
|
|
**********************************************************************/
|
|
void tr_torrentClose( tr_handle_t *, tr_torrent_t * );
|
|
|
|
/***********************************************************************
|
|
* tr_info_s
|
|
**********************************************************************/
|
|
typedef struct tr_file_s
|
|
{
|
|
uint64_t length; /* Length of the file, in bytes */
|
|
char name[MAX_PATH_LENGTH]; /* Path to the file */
|
|
}
|
|
tr_file_t;
|
|
struct tr_info_s
|
|
{
|
|
/* Path to torrent */
|
|
char torrent[MAX_PATH_LENGTH];
|
|
|
|
/* General info */
|
|
uint8_t hash[SHA_DIGEST_LENGTH];
|
|
char hashString[2*SHA_DIGEST_LENGTH+1];
|
|
char name[MAX_PATH_LENGTH];
|
|
|
|
/* Flags */
|
|
#define TR_FSAVEPRIVATE 0x01 /* save a private copy of the torrent */
|
|
int flags;
|
|
|
|
/* Tracker info */
|
|
char trackerAddress[256];
|
|
int trackerPort;
|
|
char trackerAnnounce[MAX_PATH_LENGTH];
|
|
|
|
/* Pieces info */
|
|
int pieceSize;
|
|
int pieceCount;
|
|
uint64_t totalSize;
|
|
uint8_t * pieces;
|
|
|
|
/* Files info */
|
|
int multifile;
|
|
int fileCount;
|
|
tr_file_t * files;
|
|
};
|
|
|
|
/***********************************************************************
|
|
* tr_stat_s
|
|
**********************************************************************/
|
|
struct tr_stat_s
|
|
{
|
|
#define TR_STATUS_CHECK 0x001 /* Checking files */
|
|
#define TR_STATUS_DOWNLOAD 0x002 /* Downloading */
|
|
#define TR_STATUS_SEED 0x004 /* Seeding */
|
|
#define TR_STATUS_STOPPING 0x008 /* Sending 'stopped' to the tracker */
|
|
#define TR_STATUS_STOPPED 0x010 /* Sent 'stopped' but thread still
|
|
running (for internal use only) */
|
|
#define TR_STATUS_PAUSE 0x020 /* Paused */
|
|
|
|
#define TR_STATUS_ACTIVE (TR_STATUS_CHECK|TR_STATUS_DOWNLOAD|TR_STATUS_SEED)
|
|
#define TR_STATUS_INACTIVE (TR_STATUS_STOPPING|TR_STATUS_STOPPED|TR_STATUS_PAUSE)
|
|
int status;
|
|
|
|
#define TR_ETRACKER 1
|
|
#define TR_EINOUT 2
|
|
int error;
|
|
char trackerError[128];
|
|
|
|
float progress;
|
|
float rateDownload;
|
|
float rateUpload;
|
|
int eta;
|
|
int peersTotal;
|
|
int peersUploading;
|
|
int peersDownloading;
|
|
int seeders;
|
|
int leechers;
|
|
|
|
uint64_t downloaded;
|
|
uint64_t uploaded;
|
|
};
|
|
|
|
#ifdef __TRANSMISSION__
|
|
# include "internal.h"
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|