source: trunk/libtransmission/internal.h @ 1600

Last change on this file since 1600 was 1600, checked in by joshe, 15 years ago

Unbreak azureus peer protocol.
Add more peer debug messages.
Fix pex interval.

  • Property svn:keywords set to Date Rev Author Id
File size: 6.3 KB
Line 
1/******************************************************************************
2 * $Id: internal.h 1600 2007-03-28 06:28:34Z joshe $
3 *
4 * Copyright (c) 2005-2007 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#ifndef TR_INTERNAL_H
26#define TR_INTERNAL_H 1
27
28/* Standard headers used here and there.
29   That is probably ugly to put them all here, but it is sooo
30   convenient */
31#if ( defined( __unix__ ) || defined( unix ) ) && !defined( USG )
32#include <sys/param.h>
33#endif
34#include <stdio.h>
35#include <stdarg.h>
36#ifdef SYS_BEOS
37/* BeOS doesn't declare vasprintf in its headers, but actually
38 * implements it */
39int vasprintf( char **, const char *, va_list );
40#endif
41#include <stdlib.h>
42#include <string.h>
43#include <unistd.h>
44#include <errno.h>
45#include <limits.h>
46#include <signal.h>
47#include <time.h>
48#include <sys/time.h>
49#include <sys/types.h>
50#include <sys/stat.h>
51#ifndef __AMIGAOS4__
52#include <sys/resource.h>
53#endif
54#include <netdb.h>
55#include <sys/socket.h>
56#include <netinet/in.h>
57#include <fcntl.h>
58#include <assert.h>
59#ifdef SYS_BEOS
60#  define socklen_t uint32_t
61#endif
62#ifdef BEOS_NETSERVER
63#  define in_port_t uint16_t
64#else
65#  include <arpa/inet.h>
66#endif
67
68#define TR_NAME                 "Transmission"
69
70#ifndef INADDR_NONE
71#define INADDR_NONE             0xffffffff
72#endif
73
74#ifdef __GNUC__
75#  define UNUSED __attribute__((unused))
76#  define PRINTF( fmt, args ) __attribute__((format (printf, fmt, args)))
77#else
78#  define UNUSED
79#  define PRINTF( fmt, args )
80#endif
81
82/* We use OpenSSL whenever possible, since it is likely to be more
83   optimized and it is ok to use it with a MIT-licensed application.
84   Otherwise, we use the included implementation by vi@nwr.jp. */
85#ifdef HAVE_OPENSSL
86#  undef SHA_DIGEST_LENGTH
87#  include <openssl/sha.h>
88#else
89#  include "sha1.h"
90#  define SHA1(p,i,h) \
91   { \
92     sha1_state_s pms; \
93     sha1_init( &pms ); \
94     sha1_update( &pms, (sha1_byte_t *) p, i ); \
95     sha1_finish( &pms, (sha1_byte_t *) h ); \
96   }
97#endif
98
99/* Convenient macros to perform uint32_t endian conversions with
100   char pointers */
101#define TR_NTOHL(p,a) (a) = tr_ntohl((p))
102#define TR_HTONL(a,p) tr_htonl((a), ( uint8_t * )(p))
103static inline uint32_t tr_ntohl( uint8_t * p )
104{
105        uint32_t u;
106        memcpy( &u, p, sizeof( uint32_t ) );
107        return ntohl( u );
108}
109static inline void tr_htonl( uint32_t a, uint8_t * p )
110{
111        uint32_t u;
112        u = htonl( a );
113        memcpy ( p, &u, sizeof( uint32_t ) );
114}
115
116/* Sometimes the system defines MAX/MIN, sometimes not. In the latter
117   case, define those here since we will use them */
118#ifndef MAX
119#define MAX(a,b) ((a)>(b)?(a):(b))
120#endif
121#ifndef MIN
122#define MIN(a,b) ((a)>(b)?(b):(a))
123#endif
124
125#define TR_MAX_PEER_COUNT 60
126
127typedef struct tr_completion_s tr_completion_t;
128typedef struct tr_shared_s tr_shared_t;
129typedef struct tr_bitfield_s tr_bitfield_t;
130
131typedef enum { TR_NET_OK, TR_NET_ERROR, TR_NET_WAIT } tr_tristate_t;
132
133#include "platform.h"
134#include "bencode.h"
135#include "metainfo.h"
136#include "tracker.h"
137#include "fdlimit.h"
138#include "peer.h"
139#include "net.h"
140#include "inout.h"
141#include "ratecontrol.h"
142#include "clients.h"
143#include "choking.h"
144#include "natpmp.h"
145#include "upnp.h"
146#include "http.h"
147#include "xml.h"
148
149void tr_torrentAddCompact( tr_torrent_t * tor, int from,
150                           uint8_t * buf, int count );
151void tr_torrentAttachPeer( tr_torrent_t * tor, tr_peer_t * peer );
152
153struct tr_torrent_s
154{
155    tr_handle_t * handle;
156    tr_info_t info;
157
158    int                customUploadLimit;
159    int                customDownloadLimit;
160    tr_ratecontrol_t * upload;
161    tr_ratecontrol_t * download;
162    tr_ratecontrol_t * swarmspeed;
163
164    int               status;
165    int               error;
166    char              errorString[128];
167    int               finished;
168
169    char            * id;
170    char            * key;
171    uint8_t         * azId;
172    int               publicPort;
173
174    /* An escaped string used to include the hash in HTTP queries */
175    char              escapedHashString[3*SHA_DIGEST_LENGTH+1];
176
177    /* Where to download */
178    char            * destination;
179   
180    /* How many bytes we ask for per request */
181    int               blockSize;
182    int               blockCount;
183   
184    tr_completion_t * completion;
185
186    volatile char     die;
187    tr_thread_t       thread;
188    tr_lock_t         lock;
189    tr_cond_t         cond;
190
191    tr_tracker_t    * tracker;
192    tr_io_t         * io;
193    uint64_t          stopDate;
194
195    int               peerCount;
196    tr_peer_t       * peers[TR_MAX_PEER_COUNT];
197
198    uint64_t          date;
199    uint64_t          downloadedCur;
200    uint64_t          downloadedPrev;
201    uint64_t          uploadedCur;
202    uint64_t          uploadedPrev;
203
204    tr_stat_t         stats[2];
205    int               statCur;
206
207    tr_torrent_t    * prev;
208    tr_torrent_t    * next;
209};
210
211#include "utils.h"
212#include "completion.h"
213
214struct tr_handle_s
215{
216    int            torrentCount;
217    tr_torrent_t * torrentList;
218
219    char         * tag;
220    int            isPortSet;
221    int            uploadLimit;
222    int            downloadLimit;
223    tr_shared_t  * shared;
224
225#define TR_ID_LEN               20
226    char           id[TR_ID_LEN+1];
227#define TR_KEY_LEN              20
228    char           key[TR_KEY_LEN+1];
229
230    tr_handle_status_t stats[2];
231    int                statCur;
232#define TR_AZ_ID_LEN            20
233    uint8_t        azId[TR_AZ_ID_LEN];
234};
235
236#endif
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