opentracker – An open and free bittorrent tracker
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/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
It is considered beerware. Prost. Skol. Cheers or whatever.
$id$ */
/* System */
#include <stdlib.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/mman.h>
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <inttypes.h>
/* Libowfat */
#include "byte.h"
#include "io.h"
#include "ip4.h"
#include "ip6.h"
/* Opentracker */
#include "trackerlogic.h"
#include "ot_mutex.h"
#include "ot_iovec.h"
#include "ot_stats.h"
#include "ot_accesslist.h"
#ifndef NO_FULLSCRAPE_LOGGING
#define LOG_TO_STDERR( ... ) fprintf( stderr, __VA_ARGS__ )
#else
#define LOG_TO_STDERR( ... )
#endif
/* Forward declaration */
static void stats_make( int *iovec_entries, struct iovec **iovector, ot_tasktype mode );
#define OT_STATS_TMPSIZE 8192
/* Clumsy counters... to be rethought */
static unsigned long long ot_overall_tcp_connections = 0;
static unsigned long long ot_overall_udp_connections = 0;
static unsigned long long ot_overall_tcp_successfulannounces = 0;
static unsigned long long ot_overall_udp_successfulannounces = 0;
static unsigned long long ot_overall_tcp_successfulscrapes = 0;
static unsigned long long ot_overall_udp_successfulscrapes = 0;
static unsigned long long ot_overall_tcp_connects = 0;
static unsigned long long ot_overall_udp_connects = 0;
static unsigned long long ot_overall_completed = 0;
static unsigned long long ot_full_scrape_count = 0;
static unsigned long long ot_full_scrape_request_count = 0;
static unsigned long long ot_full_scrape_size = 0;
static unsigned long long ot_failed_request_counts[CODE_HTTPERROR_COUNT];
static char * ot_failed_request_names[] = { "302 Redirect", "400 Parse Error", "400 Invalid Parameter", "400 Invalid Parameter (compact=0)", "403 Access Denied", "404 Not found", "500 Internal Server Error" };
static unsigned long long ot_renewed[OT_PEER_TIMEOUT];
static unsigned long long ot_overall_sync_count;
static unsigned long long ot_overall_stall_count;
static time_t ot_start_time;
#define STATS_NETWORK_NODE_BITWIDTH 4
#define STATS_NETWORK_NODE_COUNT (1<<STATS_NETWORK_NODE_BITWIDTH)
#define __BYTE(P,D) (((uint8_t*)P)[D/8])
#define __MSK (STATS_NETWORK_NODE_COUNT-1)
#define __SHFT(D) ((D^STATS_NETWORK_NODE_BITWIDTH)&STATS_NETWORK_NODE_BITWIDTH)
#define __LDR(P,D) ((__BYTE((P),(D))>>__SHFT((D)))&__MSK)
#define __STR(P,D,V) __BYTE((P),(D))=(__BYTE((P),(D))&~(__MSK<<__SHFT((D))))|((V)<<__SHFT((D)))
#ifdef WANT_V6
#define STATS_NETWORK_NODE_MAXDEPTH (68-STATS_NETWORK_NODE_BITWIDTH)
#define STATS_NETWORK_NODE_LIMIT (48-STATS_NETWORK_NODE_BITWIDTH)
#else
#define STATS_NETWORK_NODE_MAXDEPTH (28-STATS_NETWORK_NODE_BITWIDTH)
#define STATS_NETWORK_NODE_LIMIT (24-STATS_NETWORK_NODE_BITWIDTH)
#endif
typedef union stats_network_node stats_network_node;
union stats_network_node {
size_t counters[STATS_NETWORK_NODE_COUNT];
stats_network_node *children[STATS_NETWORK_NODE_COUNT];
};
#ifdef WANT_LOG_NETWORKS
static stats_network_node *stats_network_counters_root;
#endif
static int stat_increase_network_count( stats_network_node **pnode, int depth, uintptr_t ip ) {
int foo = __LDR(ip,depth);
stats_network_node *node;
if( !*pnode ) {
*pnode = malloc( sizeof( stats_network_node ) );
if( !*pnode )
return -1;
memset( *pnode, 0, sizeof( stats_network_node ) );
}
node = *pnode;
if( depth < STATS_NETWORK_NODE_MAXDEPTH )
return stat_increase_network_count( node->children + foo, depth+STATS_NETWORK_NODE_BITWIDTH, ip );
node->counters[ foo ]++;
return 0;
}
static int stats_shift_down_network_count( stats_network_node **node, int depth, int shift ) {
int i, rest = 0;
if( !*node )
return 0;
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
if( depth < STATS_NETWORK_NODE_MAXDEPTH )
rest += stats_shift_down_network_count( (*node)->children + i, depth+STATS_NETWORK_NODE_BITWIDTH, shift );
else
rest += (*node)->counters[i] >>= shift;
if( !rest ) {
free( *node );
*node = NULL;
}
return rest;
}
static size_t stats_get_highscore_networks( stats_network_node *node, int depth, ot_ip6 node_value, size_t *scores, ot_ip6 *networks, int network_count, int limit ) {
size_t score = 0;
int i;
if( !node ) return 0;
if( depth < limit ) {
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
if( node->children[i] ) {
__STR(node_value,depth,i);
score += stats_get_highscore_networks( node->children[i], depth+STATS_NETWORK_NODE_BITWIDTH, node_value, scores, networks, network_count, limit );
}
return score;
}
if( depth > limit && depth < STATS_NETWORK_NODE_MAXDEPTH ) {
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
if( node->children[i] )
score += stats_get_highscore_networks( node->children[i], depth+STATS_NETWORK_NODE_BITWIDTH, node_value, scores, networks, network_count, limit );
return score;
}
if( depth > limit && depth == STATS_NETWORK_NODE_MAXDEPTH ) {
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
score += node->counters[i];
return score;
}
/* if( depth == limit ) */
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
int j=1;
size_t node_score;
if( depth == STATS_NETWORK_NODE_MAXDEPTH )
node_score = node->counters[i];
else
node_score = stats_get_highscore_networks( node->children[i], depth+STATS_NETWORK_NODE_BITWIDTH, node_value, scores, networks, network_count, limit );
score += node_score;
if( node_score <= scores[0] ) continue;
__STR(node_value,depth,i);
while( j < network_count && node_score > scores[j] ) ++j;
--j;
memcpy( scores, scores + 1, j * sizeof( *scores ) );
memcpy( networks, networks + 1, j * sizeof( *networks ) );
scores[ j ] = node_score;
memcpy( networks + j, node_value, sizeof( *networks ) );
}
return score;
}
static size_t stats_return_busy_networks( char * reply, stats_network_node *tree, int amount, int limit ) {
ot_ip6 networks[amount];
ot_ip6 node_value;
size_t scores[amount];
int i;
char * r = reply;
memset( scores, 0, sizeof( scores ) );
memset( networks, 0, sizeof( networks ) );
memset( node_value, 0, sizeof( node_value ) );
stats_get_highscore_networks( tree, 0, node_value, scores, networks, amount, limit );
r += sprintf( r, "Networks, limit /%d:\n", limit+STATS_NETWORK_NODE_BITWIDTH );
for( i=amount-1; i>=0; --i) {
if( scores[i] ) {
r += sprintf( r, "%08zd: ", scores[i] );
#ifdef WANT_V6
r += fmt_ip6c( r, networks[i] );
#else
r += fmt_ip4( r, networks[i]);
#endif
*r++ = '\n';
}
}
*r++ = '\n';
return r - reply;
}
static size_t stats_slash24s_txt( char *reply, size_t amount ) {
stats_network_node *slash24s_network_counters_root = NULL;
char *r=reply;
int bucket;
size_t i;
for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
ot_vector *torrents_list = mutex_bucket_lock( bucket );
for( i=0; i<torrents_list->size; ++i ) {
ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[i] ).peer_list;
ot_vector *bucket_list = &peer_list->peers;
int num_buckets = 1;
if( OT_PEERLIST_HASBUCKETS( peer_list ) ) {
num_buckets = bucket_list->size;
bucket_list = (ot_vector *)bucket_list->data;
}
while( num_buckets-- ) {
ot_peer *peers = (ot_peer*)bucket_list->data;
size_t numpeers = bucket_list->size;
while( numpeers-- )
if( stat_increase_network_count( &slash24s_network_counters_root, 0, (uintptr_t)(peers++) ) )
goto bailout_unlock;
++bucket_list;
}
}
mutex_bucket_unlock( bucket, 0 );
if( !g_opentracker_running )
goto bailout_error;
}
/* The tree is built. Now analyze */
r += stats_return_busy_networks( r, slash24s_network_counters_root, amount, STATS_NETWORK_NODE_MAXDEPTH );
r += stats_return_busy_networks( r, slash24s_network_counters_root, amount, STATS_NETWORK_NODE_LIMIT );
goto success;
bailout_unlock:
mutex_bucket_unlock( bucket, 0 );
bailout_error:
r = reply;
success:
stats_shift_down_network_count( &slash24s_network_counters_root, 0, sizeof(int)*8-1 );
return r-reply;
}
#ifdef WANT_SPOT_WOODPECKER
static stats_network_node *stats_woodpeckers_tree;
static pthread_mutex_t g_woodpeckers_mutex = PTHREAD_MUTEX_INITIALIZER;
static size_t stats_return_woodpeckers( char * reply, int amount ) {
char * r = reply;
pthread_mutex_lock( &g_woodpeckers_mutex );
r += stats_return_busy_networks( r, stats_woodpeckers_tree, amount, STATS_NETWORK_NODE_MAXDEPTH );
pthread_mutex_unlock( &g_woodpeckers_mutex );
return r-reply;
}
#endif
typedef struct {
unsigned long long torrent_count;
unsigned long long peer_count;
unsigned long long seed_count;
} torrent_stats;
static int torrent_statter( ot_torrent *torrent, uintptr_t data ) {
torrent_stats *stats = (torrent_stats*)data;
stats->torrent_count++;
stats->peer_count += torrent->peer_list->peer_count;
stats->seed_count += torrent->peer_list->seed_count;
return 0;
}
/* Converter function from memory to human readable hex strings */
static char*to_hex(char*d,uint8_t*s){char*m="0123456789ABCDEF";char *t=d;char*e=d+40;while(d<e){*d++=m[*s>>4];*d++=m[*s++&15];}*d=0;return t;}
typedef struct { size_t val; ot_torrent * torrent; } ot_record;
/* Fetches stats from tracker */
size_t stats_top10_txt( char * reply ) {
size_t j;
ot_record top10s[10], top10c[10];
char *r = reply, hex_out[42];
int idx, bucket;
byte_zero( top10s, sizeof( top10s ) );
byte_zero( top10c, sizeof( top10c ) );
for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
ot_vector *torrents_list = mutex_bucket_lock( bucket );
for( j=0; j<torrents_list->size; ++j ) {
ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[j] ).peer_list;
int idx = 9; while( (idx >= 0) && ( peer_list->peer_count > top10c[idx].val ) ) --idx;
if ( idx++ != 9 ) {
memmove( top10c + idx + 1, top10c + idx, ( 9 - idx ) * sizeof( ot_record ) );
top10c[idx].val = peer_list->peer_count;
top10c[idx].torrent = (ot_torrent*)(torrents_list->data) + j;
}
idx = 9; while( (idx >= 0) && ( peer_list->seed_count > top10s[idx].val ) ) --idx;
if ( idx++ != 9 ) {
memmove( top10s + idx + 1, top10s + idx, ( 9 - idx ) * sizeof( ot_record ) );
top10s[idx].val = peer_list->seed_count;
top10s[idx].torrent = (ot_torrent*)(torrents_list->data) + j;
}
}
mutex_bucket_unlock( bucket, 0 );
if( !g_opentracker_running )
return 0;
}
r += sprintf( r, "Top 10 torrents by peers:\n" );
for( idx=0; idx<10; ++idx )
if( top10c[idx].torrent )
r += sprintf( r, "\t%zd\t%s\n", top10c[idx].val, to_hex( hex_out, top10c[idx].torrent->hash) );
r += sprintf( r, "Top 10 torrents by seeds:\n" );
for( idx=0; idx<10; ++idx )
if( top10s[idx].torrent )
r += sprintf( r, "\t%zd\t%s\n", top10s[idx].val, to_hex( hex_out, top10s[idx].torrent->hash) );
return r - reply;
}
static unsigned long events_per_time( unsigned long long events, time_t t ) {
return events / ( (unsigned int)t ? (unsigned int)t : 1 );
}
static size_t stats_connections_mrtg( char * reply ) {
ot_time t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker connections, %lu conns/s :: %lu success/s.",
ot_overall_tcp_connections+ot_overall_udp_connections,
ot_overall_tcp_successfulannounces+ot_overall_udp_successfulannounces+ot_overall_udp_connects,
(int)t,
(int)(t / 3600),
events_per_time( ot_overall_tcp_connections+ot_overall_udp_connections, t ),
events_per_time( ot_overall_tcp_successfulannounces+ot_overall_udp_successfulannounces+ot_overall_udp_connects, t )
);
}
static size_t stats_udpconnections_mrtg( char * reply ) {
ot_time t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker udp4 stats, %lu conns/s :: %lu success/s.",
ot_overall_udp_connections,
ot_overall_udp_successfulannounces+ot_overall_udp_connects,
(int)t,
(int)(t / 3600),
events_per_time( ot_overall_udp_connections, t ),
events_per_time( ot_overall_udp_successfulannounces+ot_overall_udp_connects, t )
);
}
static size_t stats_tcpconnections_mrtg( char * reply ) {
time_t t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker tcp4 stats, %lu conns/s :: %lu success/s.",
ot_overall_tcp_connections,
ot_overall_tcp_successfulannounces,
(int)t,
(int)(t / 3600),
events_per_time( ot_overall_tcp_connections, t ),
events_per_time( ot_overall_tcp_successfulannounces, t )
);
}
static size_t stats_scrape_mrtg( char * reply ) {
time_t t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker scrape stats, %lu scrape/s (tcp and udp)",
ot_overall_tcp_successfulscrapes,
ot_overall_udp_successfulscrapes,
(int)t,
(int)(t / 3600),
events_per_time( (ot_overall_tcp_successfulscrapes+ot_overall_udp_successfulscrapes), t )
);
}
static size_t stats_fullscrapes_mrtg( char * reply ) {
ot_time t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker full scrape stats, %lu conns/s :: %lu bytes/s.",
ot_full_scrape_count * 1000,
ot_full_scrape_size,
(int)t,
(int)(t / 3600),
events_per_time( ot_full_scrape_count, t ),
events_per_time( ot_full_scrape_size, t )
);
}
static size_t stats_peers_mrtg( char * reply ) {
torrent_stats stats = {0,0,0};
iterate_all_torrents( torrent_statter, (uintptr_t)&stats );
return sprintf( reply, "%llu\n%llu\nopentracker serving %llu torrents\nopentracker",
stats.peer_count,
stats.seed_count,
stats.torrent_count
);
}
static size_t stats_torrents_mrtg( char * reply )
{
size_t torrent_count = mutex_get_torrent_count();
return sprintf( reply, "%zd\n%zd\nopentracker serving %zd torrents\nopentracker",
torrent_count,
(size_t)0,
torrent_count
);
}
static size_t stats_httperrors_txt ( char * reply ) {
return sprintf( reply, "302 RED %llu\n400 ... %llu\n400 PAR %llu\n400 COM %llu\n403 IP %llu\n404 INV %llu\n500 SRV %llu\n",
ot_failed_request_counts[0], ot_failed_request_counts[1], ot_failed_request_counts[2],
ot_failed_request_counts[3], ot_failed_request_counts[4], ot_failed_request_counts[5],
ot_failed_request_counts[6] );
}
static size_t stats_return_renew_bucket( char * reply ) {
char *r = reply;
int i;
for( i=0; i<OT_PEER_TIMEOUT; ++i )
r+=sprintf(r,"%02i %llu\n", i, ot_renewed[i] );
return r - reply;
}
static size_t stats_return_sync_mrtg( char * reply ) {
ot_time t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker connections, %lu conns/s :: %lu success/s.",
ot_overall_sync_count,
0LL,
(int)t,
(int)(t / 3600),
events_per_time( ot_overall_tcp_connections+ot_overall_udp_connections, t ),
events_per_time( ot_overall_tcp_successfulannounces+ot_overall_udp_successfulannounces+ot_overall_udp_connects, t )
);
}
static size_t stats_return_completed_mrtg( char * reply ) {
ot_time t = time( NULL ) - ot_start_time;
return sprintf( reply,
"%llu\n%llu\n%i seconds (%i hours)\nopentracker, %lu completed/h.",
ot_overall_completed,
0LL,
(int)t,
(int)(t / 3600),
events_per_time( ot_overall_completed, t / 3600 )
);
}
#ifdef WANT_LOG_NUMWANT
extern unsigned long long numwants[201];
static size_t stats_return_numwants( char * reply ) {
char * r = reply;
int i;
for( i=0; i<=200; ++i )
r += sprintf( r, "%03d => %lld\n", i, numwants[i] );
return r-reply;
}
#endif
#ifdef WANT_FULLLOG_NETWORKS
static void stats_return_fulllog( int *iovec_entries, struct iovec **iovector, char *r ) {
ot_log *loglist = g_logchain_first, *llnext;
char * re = r + OT_STATS_TMPSIZE;
g_logchain_first = g_logchain_last = 0;
while( loglist ) {
if( r + ( loglist->size + 64 ) >= re ) {
r = iovec_fix_increase_or_free( iovec_entries, iovector, r, 32 * OT_STATS_TMPSIZE );
if( !r ) return;
re = r + 32 * OT_STATS_TMPSIZE;
}
r += sprintf( r, "%08ld: ", loglist->time );
r += fmt_ip6c( r, loglist->ip );
*r++ = '\n';
memcpy( r, loglist->data, loglist->size );
r += loglist->size;
*r++ = '\n';
*r++ = '*';
*r++ = '\n';
*r++ = '\n';
llnext = loglist->next;
free( loglist->data );
free( loglist );
loglist = llnext;
}
iovec_fixlast( iovec_entries, iovector, r );
}
#endif
static size_t stats_return_everything( char * reply ) {
torrent_stats stats = {0,0,0};
int i;
char * r = reply;
iterate_all_torrents( torrent_statter, (uintptr_t)&stats );
r += sprintf( r, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
r += sprintf( r, "<stats>\n" );
r += sprintf( r, " <tracker_id>%" PRIu32 "</tracker_id>\n", g_tracker_id );
r += sprintf( r, " <version>\n" ); r += stats_return_tracker_version( r ); r += sprintf( r, " </version>\n" );
r += sprintf( r, " <uptime>%llu</uptime>\n", (unsigned long long)(time( NULL ) - ot_start_time) );
r += sprintf( r, " <torrents>\n" );
r += sprintf( r, " <count_mutex>%zd</count_mutex>\n", mutex_get_torrent_count() );
r += sprintf( r, " <count_iterator>%llu</count_iterator>\n", stats.torrent_count );
r += sprintf( r, " </torrents>\n" );
r += sprintf( r, " <peers>\n <count>%llu</count>\n </peers>\n", stats.peer_count );
r += sprintf( r, " <seeds>\n <count>%llu</count>\n </seeds>\n", stats.seed_count );
r += sprintf( r, " <completed>\n <count>%llu</count>\n </completed>\n", ot_overall_completed );
r += sprintf( r, " <connections>\n" );
r += sprintf( r, " <tcp>\n <accept>%llu</accept>\n <announce>%llu</announce>\n <scrape>%llu</scrape>\n </tcp>\n", ot_overall_tcp_connections, ot_overall_tcp_successfulannounces, ot_overall_udp_successfulscrapes );
r += sprintf( r, " <udp>\n <overall>%llu</overall>\n <connect>%llu</connect>\n <announce>%llu</announce>\n <scrape>%llu</scrape>\n </udp>\n", ot_overall_udp_connections, ot_overall_udp_connects, ot_overall_udp_successfulannounces, ot_overall_udp_successfulscrapes );
r += sprintf( r, " <livesync>\n <count>%llu</count>\n </livesync>\n", ot_overall_sync_count );
r += sprintf( r, " </connections>\n" );
r += sprintf( r, " <debug>\n" );
r += sprintf( r, " <renew>\n" );
for( i=0; i<OT_PEER_TIMEOUT; ++i )
r += sprintf( r, " <count interval=\"%02i\">%llu</count>\n", i, ot_renewed[i] );
r += sprintf( r, " </renew>\n" );
r += sprintf( r, " <http_error>\n" );
for( i=0; i<CODE_HTTPERROR_COUNT; ++i )
r += sprintf( r, " <count code=\"%s\">%llu</count>\n", ot_failed_request_names[i], ot_failed_request_counts[i] );
r += sprintf( r, " </http_error>\n" );
r += sprintf( r, " <mutex_stall>\n <count>%llu</count>\n </mutex_stall>\n", ot_overall_stall_count );
r += sprintf( r, " </debug>\n" );
r += sprintf( r, "</stats>" );
return r - reply;
}
extern const char
*g_version_opentracker_c, *g_version_accesslist_c, *g_version_clean_c, *g_version_fullscrape_c, *g_version_http_c,
*g_version_iovec_c, *g_version_mutex_c, *g_version_stats_c, *g_version_udp_c, *g_version_vector_c,
*g_version_scan_urlencoded_query_c, *g_version_trackerlogic_c, *g_version_livesync_c;
size_t stats_return_tracker_version( char *reply ) {
return sprintf( reply, "%s%s%s%s%s%s%s%s%s%s%s%s%s",
g_version_opentracker_c, g_version_accesslist_c, g_version_clean_c, g_version_fullscrape_c, g_version_http_c,
g_version_iovec_c, g_version_mutex_c, g_version_stats_c, g_version_udp_c, g_version_vector_c,
g_version_scan_urlencoded_query_c, g_version_trackerlogic_c, g_version_livesync_c );
}
size_t return_stats_for_tracker( char *reply, int mode, int format ) {
format = format;
switch( mode & TASK_TASK_MASK ) {
case TASK_STATS_CONNS:
return stats_connections_mrtg( reply );
case TASK_STATS_SCRAPE:
return stats_scrape_mrtg( reply );
case TASK_STATS_UDP:
return stats_udpconnections_mrtg( reply );
case TASK_STATS_TCP:
return stats_tcpconnections_mrtg( reply );
case TASK_STATS_FULLSCRAPE:
return stats_fullscrapes_mrtg( reply );
case TASK_STATS_COMPLETED:
return stats_return_completed_mrtg( reply );
case TASK_STATS_HTTPERRORS:
return stats_httperrors_txt( reply );
case TASK_STATS_VERSION:
return stats_return_tracker_version( reply );
case TASK_STATS_RENEW:
return stats_return_renew_bucket( reply );
case TASK_STATS_SYNCS:
return stats_return_sync_mrtg( reply );
#ifdef WANT_LOG_NUMWANT
case TASK_STATS_NUMWANTS:
return stats_return_numwants( reply );
#endif
default:
return 0;
}
}
static void stats_make( int *iovec_entries, struct iovec **iovector, ot_tasktype mode ) {
char *r;
*iovec_entries = 0;
*iovector = NULL;
if( !( r = iovec_increase( iovec_entries, iovector, OT_STATS_TMPSIZE ) ) )
return;
switch( mode & TASK_TASK_MASK ) {
case TASK_STATS_TORRENTS: r += stats_torrents_mrtg( r ); break;
case TASK_STATS_PEERS: r += stats_peers_mrtg( r ); break;
case TASK_STATS_SLASH24S: r += stats_slash24s_txt( r, 128 ); break;
case TASK_STATS_TOP10: r += stats_top10_txt( r ); break;
case TASK_STATS_EVERYTHING: r += stats_return_everything( r ); break;
#ifdef WANT_SPOT_WOODPECKER
case TASK_STATS_WOODPECKERS: r += stats_return_woodpeckers( r, 128 ); break;
#endif
#ifdef WANT_FULLLOG_NETWORKS
case TASK_STATS_FULLLOG: stats_return_fulllog( iovec_entries, iovector, r );
return;
#endif
default:
iovec_free(iovec_entries, iovector);
return;
}
iovec_fixlast( iovec_entries, iovector, r );
}
void stats_issue_event( ot_status_event event, PROTO_FLAG proto, uintptr_t event_data ) {
switch( event ) {
case EVENT_ACCEPT:
if( proto == FLAG_TCP ) ot_overall_tcp_connections++; else ot_overall_udp_connections++;
#ifdef WANT_LOG_NETWORKS
stat_increase_network_count( &stats_network_counters_root, 0, event_data );
#endif
break;
case EVENT_ANNOUNCE:
if( proto == FLAG_TCP ) ot_overall_tcp_successfulannounces++; else ot_overall_udp_successfulannounces++;
break;
case EVENT_CONNECT:
if( proto == FLAG_TCP ) ot_overall_tcp_connects++; else ot_overall_udp_connects++;
break;
case EVENT_COMPLETED:
ot_overall_completed++;
break;
case EVENT_SCRAPE:
if( proto == FLAG_TCP ) ot_overall_tcp_successfulscrapes++; else ot_overall_udp_successfulscrapes++;
case EVENT_FULLSCRAPE:
ot_full_scrape_count++;
ot_full_scrape_size += event_data;
break;
case EVENT_FULLSCRAPE_REQUEST:
{
ot_ip6 *ip = (ot_ip6*)event_data; /* ugly hack to transfer ip to stats */
char _debug[512];
int off = snprintf( _debug, sizeof(_debug), "[%08d] scrp: ", (unsigned int)(g_now_seconds - ot_start_time)/60 );
off += fmt_ip6c( _debug+off, *ip );
off += snprintf( _debug+off, sizeof(_debug)-off, " - FULL SCRAPE\n" );
write( 2, _debug, off );
ot_full_scrape_request_count++;
}
break;
case EVENT_FULLSCRAPE_REQUEST_GZIP:
{
ot_ip6 *ip = (ot_ip6*)event_data; /* ugly hack to transfer ip to stats */
char _debug[512];
int off = snprintf( _debug, sizeof(_debug), "[%08d] scrp: ", (unsigned int)(g_now_seconds - ot_start_time)/60 );
off += fmt_ip6c(_debug+off, *ip );
off += snprintf( _debug+off, sizeof(_debug)-off, " - FULL SCRAPE\n" );
write( 2, _debug, off );
ot_full_scrape_request_count++;
}
break;
case EVENT_FAILED:
ot_failed_request_counts[event_data]++;
break;
case EVENT_RENEW:
ot_renewed[event_data]++;
break;
case EVENT_SYNC:
ot_overall_sync_count+=event_data;
break;
case EVENT_BUCKET_LOCKED:
ot_overall_stall_count++;
break;
#ifdef WANT_SPOT_WOODPECKER
case EVENT_WOODPECKER:
pthread_mutex_lock( &g_woodpeckers_mutex );
stat_increase_network_count( &stats_woodpeckers_tree, 0, event_data );
pthread_mutex_unlock( &g_woodpeckers_mutex );
break;
#endif
default:
break;
}
}
static void * stats_worker( void * args ) {
int iovec_entries;
struct iovec *iovector;
args = args;
while( 1 ) {
ot_tasktype tasktype = TASK_STATS;
ot_taskid taskid = mutex_workqueue_poptask( &tasktype );
stats_make( &iovec_entries, &iovector, tasktype );
if( mutex_workqueue_pushresult( taskid, iovec_entries, iovector ) )
iovec_free( &iovec_entries, &iovector );
}
return NULL;
}
void stats_deliver( int64 sock, int tasktype ) {
mutex_workqueue_pushtask( sock, tasktype );
}
static pthread_t thread_id;
void stats_init( ) {
ot_start_time = g_now_seconds;
pthread_create( &thread_id, NULL, stats_worker, NULL );
}
void stats_deinit( ) {
pthread_cancel( thread_id );
}
const char *g_version_stats_c = "$Source$: $Revision$\n";