transmission/libtransmission/internal.h

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/******************************************************************************
* $Id$
*
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* Copyright (c) 2005-2006 Transmission authors and contributors
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*
* 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_INTERNAL_H
#define TR_INTERNAL_H 1
/* Standard headers used here and there.
That is probably ugly to put them all here, but it is sooo
convenient */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/resource.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <assert.h>
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#ifdef BEOS_NETSERVER
# define in_port_t uint16_t
#else
# include <arpa/inet.h>
#endif
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#ifdef __GNUC__
# define UNUSED __attribute__((unused))
#else
# define UNUSED
#endif
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/* We use OpenSSL whenever possible, since it is likely to be more
optimized and it is ok to use it with a MIT-licensed application.
Otherwise, we use the included implementation by vi@nwr.jp. */
#ifdef HAVE_OPENSSL
# undef SHA_DIGEST_LENGTH
# include <openssl/sha.h>
#else
# include "sha1.h"
# define SHA1(p,i,h) \
{ \
sha1_state_s pms; \
sha1_init( &pms ); \
sha1_update( &pms, (sha1_byte_t *) p, i ); \
sha1_finish( &pms, (sha1_byte_t *) h ); \
}
#endif
/* Convenient macros to perform uint32_t endian conversions with
char pointers */
#define TR_NTOHL(p,a) (a) = tr_ntohl((p))
#define TR_HTONL(a,p) tr_htonl((a), (p))
static inline uint32_t tr_ntohl( uint8_t * p )
{
uint32_t u;
memcpy( &u, p, sizeof( uint32_t ) );
return ntohl( u );
}
static inline void tr_htonl( uint32_t a, uint8_t * p )
{
uint32_t u;
u = htonl( a );
memcpy ( p, &u, sizeof( uint32_t ) );
}
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/* Sometimes the system defines MAX/MIN, sometimes not. In the latter
case, define those here since we will use them */
#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
#ifndef MIN
#define MIN(a,b) ((a)>(b)?(b):(a))
#endif
#define TR_MAX_PEER_COUNT 60
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typedef struct tr_completion_s tr_completion_t;
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#include "platform.h"
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#include "bencode.h"
#include "metainfo.h"
#include "tracker.h"
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#include "fdlimit.h"
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#include "peer.h"
#include "net.h"
#include "inout.h"
#include "ratecontrol.h"
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#include "clients.h"
#include "choking.h"
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struct tr_torrent_s
{
tr_info_t info;
tr_ratecontrol_t * globalUpload;
tr_ratecontrol_t * globalDownload;
tr_ratecontrol_t * upload;
tr_ratecontrol_t * download;
tr_fd_t * fdlimit;
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int status;
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int error;
char trackerError[128];
int finished;
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char * id;
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char * key;
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int * bindPort;
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/* An escaped string used to include the hash in HTTP queries */
char hashString[3*SHA_DIGEST_LENGTH+1];
char scrape[MAX_PATH_LENGTH];
/* Where to download */
char * destination;
/* How many bytes we ask for per request */
int blockSize;
int blockCount;
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tr_completion_t * completion;
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volatile char die;
tr_thread_t thread;
tr_lock_t lock;
tr_tracker_t * tracker;
tr_io_t * io;
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uint64_t stopDate;
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int peerCount;
tr_peer_t * peers[TR_MAX_PEER_COUNT];
uint64_t date;
uint64_t downloaded;
uint64_t uploaded;
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tr_stat_t stats[2];
int statCur;
tr_torrent_t * prev;
tr_torrent_t * next;
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};
#include "utils.h"
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#include "completion.h"
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struct tr_handle_s
{
int torrentCount;
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tr_torrent_t * torrentList;
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tr_ratecontrol_t * upload;
tr_ratecontrol_t * download;
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tr_fd_t * fdlimit;
tr_choking_t * choking;
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int bindPort;
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int bindSocket;
int acceptPeerCount;
tr_peer_t * acceptPeers[TR_MAX_PEER_COUNT];
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char id[21];
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char key[21];
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volatile char acceptDie;
tr_thread_t acceptThread;
tr_lock_t acceptLock;
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};
#endif