mirror of
https://github.com/transmission/transmission
synced 2024-12-26 01:27:28 +00:00
250 lines
6.9 KiB
C
250 lines
6.9 KiB
C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2007 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef TR_INTERNAL_H
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#define TR_INTERNAL_H 1
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/* Standard headers used here and there.
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That is probably ugly to put them all here, but it is sooo
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convenient */
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#if ( defined( __unix__ ) || defined( unix ) ) && !defined( USG )
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#include <sys/param.h>
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#endif
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#include <stdio.h>
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#ifdef SYS_BEOS
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/* BeOS doesn't declare vasprintf in its headers, but actually
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* implements it */
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int vasprintf( char **, const char *, va_list );
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#ifndef __AMIGAOS4__
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#include <sys/resource.h>
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#endif
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#include <assert.h>
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#ifdef SYS_BEOS
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# define socklen_t uint32_t
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#endif
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#ifdef BEOS_NETSERVER
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# define in_port_t uint16_t
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#else
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# include <arpa/inet.h>
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#endif
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#define TR_NAME "Transmission"
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#ifndef INADDR_NONE
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#define INADDR_NONE 0xffffffff
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#endif
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#ifdef __GNUC__
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# define UNUSED __attribute__((unused))
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# define PRINTF( fmt, args ) __attribute__((format (printf, fmt, args)))
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#else
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# define UNUSED
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# define PRINTF( fmt, args )
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#endif
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/* We use OpenSSL whenever possible, since it is likely to be more
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optimized and it is ok to use it with a MIT-licensed application.
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Otherwise, we use the included implementation by vi@nwr.jp. */
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#ifdef HAVE_OPENSSL
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# undef SHA_DIGEST_LENGTH
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# include <openssl/sha.h>
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#else
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# include "sha1.h"
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# define SHA1(p,i,h) \
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{ \
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sha1_state_s pms; \
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sha1_init( &pms ); \
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sha1_update( &pms, (sha1_byte_t *) p, i ); \
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sha1_finish( &pms, (sha1_byte_t *) h ); \
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}
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#endif
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/* Convenient macros to perform uint32_t endian conversions with
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char pointers */
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#define TR_NTOHL(p,a) (a) = tr_ntohl((p))
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#define TR_HTONL(a,p) tr_htonl((a), ( uint8_t * )(p))
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static inline uint32_t tr_ntohl( uint8_t * p )
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{
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uint32_t u;
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memcpy( &u, p, sizeof( uint32_t ) );
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return ntohl( u );
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}
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static inline void tr_htonl( uint32_t a, uint8_t * p )
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{
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uint32_t u;
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u = htonl( a );
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memcpy ( p, &u, sizeof( uint32_t ) );
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}
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/* Sometimes the system defines MAX/MIN, sometimes not. In the latter
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case, define those here since we will use them */
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a)>(b)?(b):(a))
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#endif
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#define TR_MAX_PEER_COUNT 60
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typedef struct tr_completion_s tr_completion_t;
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typedef struct tr_shared_s tr_shared_t;
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typedef struct tr_bitfield_s tr_bitfield_t;
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typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
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#include "platform.h"
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#include "tracker.h"
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#include "peer.h"
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#include "inout.h"
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#include "ratecontrol.h"
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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void tr_peerIdNew ( char* buf, int buflen );
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void tr_torrentResetTransferStats( tr_torrent_t * );
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int tr_torrentAddCompact( tr_torrent_t * tor, int from,
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uint8_t * buf, int count );
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int tr_torrentAttachPeer( tr_torrent_t * tor, tr_peer_t * peer );
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void tr_torrentSetHasPiece( tr_torrent_t * tor, int pieceIndex, int has );
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void tr_torrentReaderLock ( const tr_torrent_t * );
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void tr_torrentReaderUnlock ( const tr_torrent_t * );
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void tr_torrentWriterLock ( tr_torrent_t * );
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void tr_torrentWriterUnlock ( tr_torrent_t * );
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typedef enum
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{
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TR_RUN_CHECKING = (1<<0), /* checking files' checksums */
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TR_RUN_RUNNING = (1<<1), /* seeding or leeching */
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TR_RUN_STOPPING = (1<<2), /* stopping */
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TR_RUN_STOPPING_NET_WAIT = (1<<3), /* waiting on network -- we're
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telling tracker we've stopped */
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TR_RUN_STOPPED = (1<<4) /* stopped */
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}
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run_status_t;
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#define TR_ID_LEN 20
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#define TR_KEY_LEN 20
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struct tr_torrent_s
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{
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tr_handle_t * handle;
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tr_info_t info;
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int customUploadLimit;
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int customDownloadLimit;
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tr_ratecontrol_t * upload;
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tr_ratecontrol_t * download;
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tr_ratecontrol_t * swarmspeed;
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int error;
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char errorString[128];
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int hasChangedState;
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char peer_id[TR_ID_LEN+1];
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char * key;
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uint8_t * azId;
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int publicPort;
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/* An escaped string used to include the hash in HTTP queries */
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char escapedHashString[3*SHA_DIGEST_LENGTH+1];
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/* Where to download */
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char * destination;
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/* How many bytes we ask for per request */
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int blockSize;
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int blockCount;
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tr_completion_t * completion;
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volatile char dieFlag;
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volatile char recheckFlag;
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run_status_t runStatus;
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cp_status_t cpStatus;
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tr_thread_t thread;
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tr_rwlock_t lock;
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tr_tracker_t * tracker;
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tr_io_t * io;
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uint64_t startDate;
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uint64_t stopDate;
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int ioLoaded;
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int peerCount;
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tr_peer_t * peers[TR_MAX_PEER_COUNT];
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uint64_t downloadedCur;
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uint64_t downloadedPrev;
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uint64_t uploadedCur;
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uint64_t uploadedPrev;
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uint64_t activityDate;
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uint8_t pexDisabled;
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tr_stat_t stats[2];
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int statCur;
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tr_torrent_t * next;
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};
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#include "utils.h"
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#include "completion.h"
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struct tr_handle_s
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{
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int torrentCount;
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tr_torrent_t * torrentList;
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char * tag;
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int isPortSet;
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tr_ratecontrol_t * upload;
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tr_ratecontrol_t * download;
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tr_shared_t * shared;
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char key[TR_KEY_LEN+1];
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tr_handle_status_t stats[2];
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int statCur;
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#define TR_AZ_ID_LEN 20
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uint8_t azId[TR_AZ_ID_LEN];
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};
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#endif
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