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-rw-r--r--Makefile4
-rw-r--r--opentracker.c142
-rw-r--r--scan_urlencoded_query.c6
-rw-r--r--scan_urlencoded_query.h5
-rw-r--r--trackerlogic.c111
-rw-r--r--trackerlogic.h48
6 files changed, 219 insertions, 97 deletions
diff --git a/Makefile b/Makefile
index a85ab2b..21689e5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
1CC?=gcc 1CC?=gcc
2CFLAGS+=-I../libowfat -Wall -pipe -g -ggdb 2CFLAGS+=-I../libowfat -Wall -pipe -O2
3LDFLAGS+=-L../libowfat/ -lowfat 3LDFLAGS+=-L../libowfat/ -lowfat -s
4 4
5SOURCES=opentracker.c trackerlogic.c scan_urlencoded_query.c 5SOURCES=opentracker.c trackerlogic.c scan_urlencoded_query.c
6 6
diff --git a/opentracker.c b/opentracker.c
index bd8f5ca..6858f37 100644
--- a/opentracker.c
+++ b/opentracker.c
@@ -106,13 +106,12 @@ const char* http_header(struct http_data* r,const char* h)
106 106
107void httpresponse(struct http_data* h,int64 s) 107void httpresponse(struct http_data* h,int64 s)
108{ 108{
109 char *c, *d, *data, *reply = NULL; 109 char *c, *d, *data, *reply = NULL;
110 struct ot_peer peer; 110 ot_peer peer;
111 ot_torrent torrent; 111 ot_torrent *torrent;
112 ot_hash *hash = NULL; 112 ot_hash *hash = NULL;
113 unsigned long numwant; 113 int numwant, tmp, scanon;
114 int compact, scanon; 114 size_t reply_size = 0;
115 size_t reply_size = 0;
116 115
117 array_cat0(&h->r); 116 array_cat0(&h->r);
118 117
@@ -137,14 +136,57 @@ e400:
137 case 6: /* scrape ? */ 136 case 6: /* scrape ? */
138 if (byte_diff(data,6,"scrape")) 137 if (byte_diff(data,6,"scrape"))
139 goto e404; 138 goto e404;
139 scanon = 1;
140
141 while( scanon ) {
142 switch( scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_PARAM ) ) {
143 case -2: /* terminator */
144 scanon = 0;
145 break;
146 case -1: /* error */
147 goto e404;
148 case 9:
149 if(byte_diff(data,9,"info_hash")) {
150 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE );
151 continue;
152 }
153 /* ignore this, when we have less than 20 bytes */
154 switch( scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE ) ) {
155 case -1:
156 goto e404;
157 case 20:
158 hash = (ot_hash*)data; /* Fall through intended */
159 default:
160 continue;
161 }
162 default:
163 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE );
164 break;
165 }
166 }
167
168 /* Scanned whole query string, wo */
169 if( !hash ) {
170 httperror(h,"400 Invalid Request","This server only serves specific scrapes.");
171 goto bailout;
172 }
173
174 // Enough for whole scrape string
175 reply = malloc( 128 );
176 if( reply )
177 reply_size = return_scrape_for_torrent( hash, reply );
178 if( !reply || ( reply_size < 0 ) ) {
179 if( reply ) free( reply );
180 goto e500;
181 }
140 break; 182 break;
141 case 8: 183 case 8:
142 if( byte_diff(data,8,"announce")) 184 if( byte_diff(data,8,"announce"))
143 goto e404; 185 goto e404;
186
144 peer.ip = h->ip; 187 peer.ip = h->ip;
145 peer.port_flags = 6881 << 16; 188 peer.port_flags = 6881 << 16;
146 numwant = 50; 189 numwant = 50;
147 compact = 1;
148 scanon = 1; 190 scanon = 1;
149 191
150 while( scanon ) { 192 while( scanon ) {
@@ -155,19 +197,44 @@ e400:
155 case -1: /* error */ 197 case -1: /* error */
156 goto e404; 198 goto e404;
157 case 4: 199 case 4:
158 if(!byte_diff(data,4,"port")) 200 if(!byte_diff(data,4,"port")) {
159 /* scan int */ c; 201 size_t len = scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE );
160 else if(!byte_diff(data,4,"left")) 202 if( ( len <= 0 ) || scan_fixed_int( data, len, &tmp ) || (tmp > 65536) ) goto e404;
161 /* scan int */ c; 203 peer.port_flags = ( tmp << 16 ) | ( peer.port_flags & 0xffff );
162 else 204 } else if(!byte_diff(data,4,"left")) {
205 size_t len = scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE );
206 if( ( len <= 0 ) || scan_fixed_int( data, len, &tmp ) ) goto e404;
207 if( !tmp ) peer.port_flags |= PEER_FLAG_SEEDING;
208 } else
163 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE ); 209 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE );
164 break; 210 break;
211 case 5:
212 if(byte_diff(data,5,"event"))
213 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE );
214 else switch( scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE ) ) {
215 case -1:
216 goto e404;
217 case 7:
218 if(!byte_diff(data,7,"stopped")) peer.port_flags |= PEER_FLAG_STOPPED;
219 break;
220 case 9:
221 if(!byte_diff(data,9,"complete")) peer.port_flags |= PEER_FLAG_COMPLETED;
222 default: // Fall through intended
223 break;
224 }
225 break;
165 case 7: 226 case 7:
166 if(!byte_diff(data,7,"numwant")) 227 if(!byte_diff(data,7,"numwant")) {
167 /* scan int */ c; 228 size_t len = scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE );
168 else if(!byte_diff(data,7,"compact")) 229 if( ( len <= 0 ) || scan_fixed_int( data, len, &numwant ) ) goto e404;
169 /* scan flag */ c; 230 } else if(!byte_diff(data,7,"compact")) {
170 else 231 size_t len = scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE );
232 if( ( len <= 0 ) || scan_fixed_int( data, len, &tmp ) ) goto e404;
233 if( !tmp ) {
234 httperror(h,"400 Invalid Request","This server only delivers compact results.");
235 goto bailout;
236 }
237 } else
171 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE ); 238 scan_urlencoded_query( &c, NULL, SCAN_SEARCHPATH_VALUE );
172 break; 239 break;
173 case 9: 240 case 9:
@@ -180,9 +247,8 @@ e400:
180 case -1: 247 case -1:
181 goto e404; 248 goto e404;
182 case 20: 249 case 20:
183 hash = (ot_hash*)data; /* Fall through intended */ 250 hash = (ot_hash*)data;
184 printf("hash: %s\n",*hash); 251 default: // Fall through intended
185 default:
186 continue; 252 continue;
187 } 253 }
188 default: 254 default:
@@ -192,20 +258,25 @@ e400:
192 } 258 }
193 259
194 /* Scanned whole query string */ 260 /* Scanned whole query string */
195 if( !hash || ( compact == 0 ) ) goto e404; 261 if( !hash ) goto e404;
196 262
197 torrent = add_peer_to_torrent( hash, &peer ); 263 if( peer.port_flags & PEER_FLAG_STOPPED ) {
198 if( !torrent ) { 264 remove_peer_from_torrent( hash, &peer );
265 reply = strdup( "d15:warning message4:Okaye" ); reply_size = 26;
266 } else {
267 torrent = add_peer_to_torrent( hash, &peer );
268 if( !torrent ) {
199e500: 269e500:
200 httperror(h,"500 Internal Server Error","A server error has occured. Please retry later."); 270 httperror(h,"500 Internal Server Error","A server error has occured. Please retry later.");
201 goto bailout; 271 goto bailout;
202 } 272 }
203 reply = malloc( numwant*6+24 ); 273 reply = malloc( numwant*6+64 ); // peerlist + seeder, peers and lametta
204 if( reply ) 274 if( reply )
205 reply_size = return_peers_for_torrent( torrent, numwant, reply ); 275 reply_size = return_peers_for_torrent( torrent, numwant, reply );
206 if( !reply || ( reply_size < 0 ) ) { 276 if( !reply || ( reply_size < 0 ) ) {
207 if( reply ) free( reply ); 277 if( reply ) free( reply );
208 goto e500; 278 goto e500;
279 }
209 } 280 }
210 break; 281 break;
211 default: /* neither scrape nor announce */ 282 default: /* neither scrape nor announce */
@@ -213,6 +284,7 @@ e404:
213 httperror(h,"404 Not Found","No such file or directory."); 284 httperror(h,"404 Not Found","No such file or directory.");
214 goto bailout; 285 goto bailout;
215 } 286 }
287
216 c=h->hdrbuf=(char*)malloc(500); 288 c=h->hdrbuf=(char*)malloc(500);
217 c+=fmt_str(c,"HTTP/1.1 200 OK\r\nContent-Type: text/plain"); 289 c+=fmt_str(c,"HTTP/1.1 200 OK\r\nContent-Type: text/plain");
218 c+=fmt_str(c,"\r\nContent-Length: "); 290 c+=fmt_str(c,"\r\nContent-Length: ");
@@ -239,7 +311,6 @@ void graceful( int s ) {
239int main() 311int main()
240{ 312{
241 int s=socket_tcp4(); 313 int s=socket_tcp4();
242 uint32 scope_id;
243 unsigned long ip; 314 unsigned long ip;
244 uint16 port; 315 uint16 port;
245 316
@@ -284,7 +355,6 @@ int main()
284 io_close(n); 355 io_close(n);
285 } else 356 } else
286 io_close(n); 357 io_close(n);
287 buffer_putnlflush(buffer_2);
288 } 358 }
289 if (errno==EAGAIN) 359 if (errno==EAGAIN)
290 io_eagain(s); 360 io_eagain(s);
diff --git a/scan_urlencoded_query.c b/scan_urlencoded_query.c
index 3ac01cd..7bd5ee1 100644
--- a/scan_urlencoded_query.c
+++ b/scan_urlencoded_query.c
@@ -49,3 +49,9 @@ size_t scan_urlencoded_query(char **string, char *deststring, int flags) {
49 *string = (char *)s; 49 *string = (char *)s;
50 return d - (unsigned char*)deststring; 50 return d - (unsigned char*)deststring;
51} 51}
52
53size_t scan_fixed_int( char *data, size_t len, int *tmp ) {
54 *tmp = 0;
55 while( (len > 0) && (*data >= '0') && (*data <= '9') ) { --len; *tmp = 10**tmp + *data++-'0'; }
56 return len;
57}
diff --git a/scan_urlencoded_query.h b/scan_urlencoded_query.h
index 1e59745..c87dbee 100644
--- a/scan_urlencoded_query.h
+++ b/scan_urlencoded_query.h
@@ -12,4 +12,9 @@
12// or -1 for parse error 12// or -1 for parse error
13size_t scan_urlencoded_query(char **string, char *deststring, int flags); 13size_t scan_urlencoded_query(char **string, char *deststring, int flags);
14 14
15// data pointer to len chars of string
16// len length of chars in data to parse
17// number number to receive result
18size_t scan_fixed_int( char *data, size_t len, int *number );
19
15#endif 20#endif
diff --git a/trackerlogic.c b/trackerlogic.c
index 9b8c541..0207fad 100644
--- a/trackerlogic.c
+++ b/trackerlogic.c
@@ -19,13 +19,14 @@
19// 19//
20int compare_hash( const void *hash1, const void *hash2 ) { return memcmp( hash1, hash2, sizeof( ot_hash )); } 20int compare_hash( const void *hash1, const void *hash2 ) { return memcmp( hash1, hash2, sizeof( ot_hash )); }
21int compare_ip_port( const void *peer1, const void *peer2 ) { 21int compare_ip_port( const void *peer1, const void *peer2 ) {
22if( ((ot_peer)peer1)->ip != ((ot_peer)peer2)->ip ) return ((ot_peer)peer1)->ip - ((ot_peer)peer2)->ip; 22if( ((ot_peer*)peer1)->ip != ((ot_peer*)peer2)->ip ) return ((ot_peer*)peer1)->ip - ((ot_peer*)peer2)->ip;
23return ((ot_peer)peer1)->port_flags - ((ot_peer)peer2)->port_flags; } 23return ((ot_peer*)peer1)->port_flags - ((ot_peer*)peer2)->port_flags; }
24 24
25void *binary_search( const void *key, const void *base, 25static void *binary_search( const void *key, const void *base,
26 unsigned long member_count, const unsigned long member_size, 26 unsigned long member_count, const unsigned long member_size,
27 int (*compar) (const void *, const void *), 27 int (*compar) (const void *, const void *),
28 int *exactmatch ) { 28 int *exactmatch )
29{
29 ot_byte *lookat = ((ot_byte*)base) + member_size * (member_count >> 1); 30 ot_byte *lookat = ((ot_byte*)base) + member_size * (member_count >> 1);
30 *exactmatch = 1; 31 *exactmatch = 1;
31 32
@@ -51,9 +52,9 @@ char ths[1+2*20];char*to_hex(ot_byte*s){char*m="0123456789ABCDEF";char*e=ths+40;
51 52
52// GLOBAL VARIABLES 53// GLOBAL VARIABLES
53// 54//
54struct ot_vector all_torrents[256]; 55static ot_vector all_torrents[256];
55 56
56void *vector_find_or_insert( ot_vector vector, void *key, size_t member_size, int(*compare_func)(const void*, const void*), int *exactmatch ) { 57static void *vector_find_or_insert( ot_vector *vector, void *key, size_t member_size, int(*compare_func)(const void*, const void*), int *exactmatch ) {
57 ot_byte *match = BINARY_FIND( key, vector->data, vector->size, member_size, compare_func, exactmatch ); 58 ot_byte *match = BINARY_FIND( key, vector->data, vector->size, member_size, compare_func, exactmatch );
58 59
59 if( *exactmatch ) return match; 60 if( *exactmatch ) return match;
@@ -72,22 +73,22 @@ void *vector_find_or_insert( ot_vector vector, void *key, size_t member_size, in
72 vector->size++; 73 vector->size++;
73 return match; 74 return match;
74} 75}
75 76
76int vector_remove_peer( ot_vector vector, ot_peer peer ) { 77static int vector_remove_peer( ot_vector *vector, ot_peer *peer ) {
77 int exactmatch; 78 int exactmatch;
78 ot_peer match; 79 ot_peer *match;
79 80
80 if( !vector->size ) return 0; 81 if( !vector->size ) return 0;
81 match = BINARY_FIND( peer, vector->data, vector->size, sizeof( struct ot_peer ), compare_ip_port, &exactmatch ); 82 match = BINARY_FIND( peer, vector->data, vector->size, sizeof( ot_peer ), compare_ip_port, &exactmatch );
82 83
83 if( !exactmatch ) return 0; 84 if( !exactmatch ) return 0;
84 exactmatch = match->port_flags & PEER_FLAG_SEEDING ? 2 : 1; 85 exactmatch = match->port_flags & PEER_FLAG_SEEDING ? 2 : 1;
85 MEMMOVE( match, match + 1, ((ot_peer)vector->data) + vector->size - match - 1 ); 86 MEMMOVE( match, match + 1, ((ot_peer*)vector->data) + vector->size - match - 1 );
86 vector->size--; 87 vector->size--;
87 return exactmatch; 88 return exactmatch;
88} 89}
89 90
90void free_peerlist( ot_peerlist peer_list ) { 91static void free_peerlist( ot_peerlist *peer_list ) {
91 int i; 92 int i;
92 for( i=0; i<OT_POOLS_COUNT; ++i ) 93 for( i=0; i<OT_POOLS_COUNT; ++i )
93 if( peer_list->peers[i].data ) 94 if( peer_list->peers[i].data )
@@ -95,10 +96,10 @@ void free_peerlist( ot_peerlist peer_list ) {
95 free( peer_list ); 96 free( peer_list );
96} 97}
97 98
98int vector_remove_torrent( ot_vector vector, ot_hash *hash ) { 99static int vector_remove_torrent( ot_vector *vector, ot_hash *hash ) {
99 int exactmatch; 100 int exactmatch;
100 ot_torrent end = ((ot_torrent)vector->data) + vector->size; 101 ot_torrent *end = ((ot_torrent*)vector->data) + vector->size;
101 ot_torrent match = BINARY_FIND( hash, vector->data, vector->size, sizeof( struct ot_torrent ), compare_hash, &exactmatch ); 102 ot_torrent *match = BINARY_FIND( hash, vector->data, vector->size, sizeof( ot_torrent ), compare_hash, &exactmatch );
102 103
103 if( !exactmatch ) return -1; 104 if( !exactmatch ) return -1;
104 free_peerlist( match->peer_list ); 105 free_peerlist( match->peer_list );
@@ -111,11 +112,12 @@ int vector_remove_torrent( ot_vector vector, ot_hash *hash ) {
111 return 0; 112 return 0;
112} 113}
113 114
114void clean_peerlist( ot_peerlist peer_list ) { 115// Returns 1, if torrent is gone, 0 otherwise
116static int clean_peerlist( ot_peerlist *peer_list ) {
115 long timedout = NOW-peer_list->base; 117 long timedout = NOW-peer_list->base;
116 int i; 118 int i;
117 119
118 if( !timedout ) return; 120 if( !timedout ) return 0;
119 if( timedout > OT_POOLS_COUNT ) timedout = OT_POOLS_COUNT; 121 if( timedout > OT_POOLS_COUNT ) timedout = OT_POOLS_COUNT;
120 122
121 for( i=OT_POOLS_COUNT-timedout; i<OT_POOLS_COUNT; ++i ) 123 for( i=OT_POOLS_COUNT-timedout; i<OT_POOLS_COUNT; ++i )
@@ -128,39 +130,40 @@ void clean_peerlist( ot_peerlist peer_list ) {
128 byte_zero( peer_list->seed_count, sizeof( unsigned long ) * timedout ); 130 byte_zero( peer_list->seed_count, sizeof( unsigned long ) * timedout );
129 131
130 peer_list->base = NOW; 132 peer_list->base = NOW;
133 return timedout == OT_POOLS_COUNT;
131} 134}
132 135
133ot_torrent add_peer_to_torrent( ot_hash *hash, ot_peer peer ) { 136ot_torrent *add_peer_to_torrent( ot_hash *hash, ot_peer *peer ) {
134 int exactmatch; 137 int exactmatch;
135 ot_torrent torrent; 138 ot_torrent *torrent;
136 ot_peer peer_dest; 139 ot_peer *peer_dest;
137 ot_vector torrents_list = all_torrents + *hash[0], peer_pool; 140 ot_vector *torrents_list = &all_torrents[*hash[0]], *peer_pool;
138 141
139 torrent = vector_find_or_insert( torrents_list, (void*)hash, sizeof( struct ot_torrent ), compare_hash, &exactmatch ); 142 torrent = vector_find_or_insert( torrents_list, (void*)hash, sizeof( ot_torrent ), compare_hash, &exactmatch );
140 if( !torrent ) return NULL; 143 if( !torrent ) return NULL;
141 144
142 if( !exactmatch ) { 145 if( !exactmatch ) {
143 // Create a new torrent entry, then 146 // Create a new torrent entry, then
144 torrent->peer_list = malloc( sizeof (struct ot_peerlist) ); 147 torrent->peer_list = malloc( sizeof (ot_peerlist) );
145 if( !torrent->peer_list ) { 148 if( !torrent->peer_list ) {
146 vector_remove_torrent( torrents_list, hash ); 149 vector_remove_torrent( torrents_list, hash );
147 return NULL; 150 return NULL;
148 } 151 }
149 MEMMOVE( &torrent->hash, hash, sizeof( ot_hash ) ); 152 MEMMOVE( &torrent->hash, hash, sizeof( ot_hash ) );
150 153
151 byte_zero( torrent->peer_list, sizeof( struct ot_peerlist )); 154 byte_zero( torrent->peer_list, sizeof( ot_peerlist ));
152 torrent->peer_list->base = NOW; 155 torrent->peer_list->base = NOW;
153 } else 156 } else
154 clean_peerlist( torrent->peer_list ); 157 clean_peerlist( torrent->peer_list );
155 158
156 peer_pool = &torrent->peer_list->peers[0]; 159 peer_pool = &torrent->peer_list->peers[0];
157 peer_dest = vector_find_or_insert( peer_pool, (void*)peer, sizeof( struct ot_peer ), compare_ip_port, &exactmatch ); 160 peer_dest = vector_find_or_insert( peer_pool, (void*)peer, sizeof( ot_peer ), compare_ip_port, &exactmatch );
158 161
159 // If we hadn't had a match in current pool, create peer there and 162 // If we hadn't had a match in current pool, create peer there and
160 // remove it from all older pools 163 // remove it from all older pools
161 if( !exactmatch ) { 164 if( !exactmatch ) {
162 int i; 165 int i;
163 MEMMOVE( peer_dest, peer, sizeof( struct ot_peer ) ); 166 MEMMOVE( peer_dest, peer, sizeof( ot_peer ) );
164 if( peer->port_flags & PEER_FLAG_SEEDING ) 167 if( peer->port_flags & PEER_FLAG_SEEDING )
165 torrent->peer_list->seed_count[0]++; 168 torrent->peer_list->seed_count[0]++;
166 for( i=1; i<OT_POOLS_COUNT; ++i ) { 169 for( i=1; i<OT_POOLS_COUNT; ++i ) {
@@ -176,6 +179,8 @@ ot_torrent add_peer_to_torrent( ot_hash *hash, ot_peer peer ) {
176 if( !(peer_dest->port_flags & PEER_FLAG_SEEDING ) && (peer->port_flags & PEER_FLAG_SEEDING ) ) 179 if( !(peer_dest->port_flags & PEER_FLAG_SEEDING ) && (peer->port_flags & PEER_FLAG_SEEDING ) )
177 torrent->peer_list->seed_count[0]++; 180 torrent->peer_list->seed_count[0]++;
178 } 181 }
182 if( peer->port_flags & PEER_FLAG_COMPLETED )
183 torrent->peer_list->downloaded++;
179 184
180 return torrent; 185 return torrent;
181} 186}
@@ -186,7 +191,7 @@ ot_torrent add_peer_to_torrent( ot_hash *hash, ot_peer peer ) {
186// * RANDOM may return huge values 191// * RANDOM may return huge values
187// * does not yet check not to return self 192// * does not yet check not to return self
188// 193//
189size_t return_peers_for_torrent( ot_torrent torrent, unsigned long amount, char *reply ) { 194size_t return_peers_for_torrent( ot_torrent *torrent, unsigned long amount, char *reply ) {
190 char *r = reply; 195 char *r = reply;
191 unsigned long peer_count, index; 196 unsigned long peer_count, index;
192 signed long pool_offset = -1, pool_index = 0; 197 signed long pool_offset = -1, pool_index = 0;
@@ -214,6 +219,48 @@ size_t return_peers_for_torrent( ot_torrent torrent, unsigned long amount, char
214 return r - reply; 219 return r - reply;
215} 220}
216 221
222// Fetches scrape info for a specific torrent
223size_t return_scrape_for_torrent( ot_hash *hash, char *reply ) {
224 char *r = reply;
225 int exactmatch, peers = 0, seeds = 0, i;
226 ot_vector *torrents_list = &all_torrents[*hash[0]];
227 ot_torrent *torrent = BINARY_FIND( hash, torrents_list->data, torrents_list->size, sizeof( ot_torrent ), compare_hash, &exactmatch );
228
229 if( !exactmatch ) return 0;
230 clean_peerlist( torrent->peer_list );
231
232 for( i=0; i<OT_POOLS_COUNT; ++i ) {
233 peers += torrent->peer_list->peers[i].size;
234 seeds += torrent->peer_list->seed_count[i];
235 }
236
237 MEMMOVE( r, "d5:filesd20:", 12 ); MEMMOVE( r+12, hash, 20 );
238 r += FORMAT_FORMAT_STRING( r+32, "d8:completei%de10:downloadedi%lde10:incompletei%deeee", seeds, torrent->peer_list->downloaded, peers-seeds ) + 32;
239
240 return r - reply;
241}
242
243void remove_peer_from_torrent( ot_hash *hash, ot_peer *peer ) {
244 int exactmatch, i;
245 ot_vector *torrents_list = &all_torrents[*hash[0]];
246 ot_torrent *torrent = BINARY_FIND( hash, torrents_list->data, torrents_list->size, sizeof( ot_torrent ), compare_hash, &exactmatch );
247
248 if( !exactmatch ) return;
249
250 for( i=0; i<OT_POOLS_COUNT; ++i )
251 switch( vector_remove_peer( &torrent->peer_list->peers[i], peer ) ) {
252 case 0: continue;
253 case 2: torrent->peer_list->seed_count[i]--;
254 case 1: default: return;
255 }
256
257 clean_peerlist( torrent->peer_list );
258}
259
260void cleanup_torrents( void ) {
261
262}
263
217int init_logic( char *directory ) { 264int init_logic( char *directory ) {
218 glob_t globber; 265 glob_t globber;
219 int i; 266 int i;
@@ -257,7 +304,7 @@ void deinit_logic( ) {
257 // Free all torrents... 304 // Free all torrents...
258 for(i=0; i<256; ++i ) { 305 for(i=0; i<256; ++i ) {
259 if( all_torrents[i].size ) { 306 if( all_torrents[i].size ) {
260 ot_torrent torrents_list = (ot_torrent)all_torrents[i].data; 307 ot_torrent *torrents_list = (ot_torrent*)all_torrents[i].data;
261 for( j=0; j<all_torrents[i].size; ++j ) 308 for( j=0; j<all_torrents[i].size; ++j )
262 free_peerlist( torrents_list[j].peer_list ); 309 free_peerlist( torrents_list[j].peer_list );
263 free( all_torrents[i].data ); 310 free( all_torrents[i].data );
diff --git a/trackerlogic.h b/trackerlogic.h
index 3243eb7..44bd744 100644
--- a/trackerlogic.h
+++ b/trackerlogic.h
@@ -32,40 +32,31 @@ typedef time_t ot_time;
32#define OT_POOLS_TIMEOUT 300 32#define OT_POOLS_TIMEOUT 300
33#define NOW (time(NULL)/OT_POOLS_TIMEOUT) 33#define NOW (time(NULL)/OT_POOLS_TIMEOUT)
34 34
35typedef struct ot_vector { 35typedef struct {
36 void *data; 36 void *data;
37 size_t size; 37 size_t size;
38 size_t space; 38 size_t space;
39} *ot_vector; 39} ot_vector;
40 40
41typedef struct ot_peer { 41typedef struct {
42 ot_ip ip; 42 ot_ip ip;
43 ot_dword port_flags; 43 ot_dword port_flags;
44} *ot_peer; 44} ot_peer;
45static const ot_byte PEER_FLAG_SEEDING = 0x80; 45static const ot_byte PEER_FLAG_SEEDING = 0x80;
46static const ot_byte PEER_FLAG_COMPLETED = 0x40;
47static const ot_byte PEER_FLAG_STOPPED = 0x20;
46 48
47typedef struct ot_peerlist { 49typedef struct {
48 ot_time base; 50 ot_time base;
49 unsigned long seed_count[ OT_POOLS_COUNT ]; 51 unsigned long seed_count[ OT_POOLS_COUNT ];
50 struct ot_vector peers[ OT_POOLS_COUNT ]; 52 unsigned long downloaded;
51} *ot_peerlist; 53 ot_vector peers[ OT_POOLS_COUNT ];
54} ot_peerlist;
52 55
53typedef struct ot_torrent { 56typedef struct {
54 ot_hash hash; 57 ot_hash hash;
55 ot_peerlist peer_list; 58 ot_peerlist *peer_list;
56} *ot_torrent; 59} ot_torrent;
57
58void *map_file( char *file_name, size_t map_size );
59void unmap_file( char *file_name, void *map, size_t mapped_size, unsigned long real_size );
60
61// This behaves quite like bsearch but allows to find
62// the insertion point for inserts after unsuccessful searches
63// in this case exactmatch is 0 on exit
64//
65void *binary_search( const void *key, const void *base,
66 const unsigned long member_count, const unsigned long member_size,
67 int (*compar) (const void *, const void *),
68 int *exactmatch );
69 60
70// 61//
71// Exported functions 62// Exported functions
@@ -74,7 +65,10 @@ void *binary_search( const void *key, const void *base,
74int init_logic( char *chdir_directory ); 65int init_logic( char *chdir_directory );
75void deinit_logic( ); 66void deinit_logic( );
76 67
77ot_torrent add_peer_to_torrent( ot_hash *hash, ot_peer peer ); 68ot_torrent *add_peer_to_torrent( ot_hash *hash, ot_peer *peer );
78size_t return_peers_for_torrent( ot_torrent torrent, unsigned long amount, char *reply ); 69size_t return_peers_for_torrent( ot_torrent *torrent, unsigned long amount, char *reply );
70size_t return_scrape_for_torrent( ot_hash *hash, char *reply );
71void remove_peer_from_torrent( ot_hash *hash, ot_peer *peer );
72void cleanup_torrents( void );
79 73
80#endif 74#endif