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549 lines
18 KiB
C
549 lines
18 KiB
C
/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
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It is considered beerware. Prost. Skol. Cheers or whatever.
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$id$ */
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/* System */
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#include <stdlib.h>
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#include <arpa/inet.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <sys/mman.h>
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#include <stdio.h>
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#include <string.h>
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/* Libowfat */
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#include "byte.h"
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#include "io.h"
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/* Opentracker */
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#include "trackerlogic.h"
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#include "ot_mutex.h"
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#include "ot_stats.h"
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#ifndef NO_FULLSCRAPE_LOGGING
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#define LOG_TO_STDERR( ... ) fprintf( stderr, __VA_ARGS__ )
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#else
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#define LOG_TO_STDERR( ... )
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#endif
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/* Clumsy counters... to be rethought */
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static unsigned long long ot_overall_tcp_connections = 0;
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static unsigned long long ot_overall_udp_connections = 0;
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static unsigned long long ot_overall_tcp_successfulannounces = 0;
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static unsigned long long ot_overall_udp_successfulannounces = 0;
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static unsigned long long ot_overall_tcp_successfulscrapes = 0;
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static unsigned long long ot_overall_udp_successfulscrapes = 0;
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static unsigned long long ot_overall_tcp_connects = 0;
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static unsigned long long ot_overall_udp_connects = 0;
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static unsigned long long ot_full_scrape_count = 0;
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static unsigned long long ot_full_scrape_request_count = 0;
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static unsigned long long ot_full_scrape_size = 0;
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static unsigned long long ot_failed_request_counts[CODE_HTTPERROR_COUNT];
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static time_t ot_start_time;
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#ifdef WANT_LOG_NETWORKS
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#define STATS_NETWORK_NODE_BITWIDTH 8
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#define STATS_NETWORK_NODE_MAXDEPTH 3
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#define STATS_NETWORK_NODE_BITMASK ((1<<STATS_NETWORK_NODE_BITWIDTH)-1)
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#define STATS_NETWORK_NODE_COUNT (1<<STATS_NETWORK_NODE_BITWIDTH)
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typedef union stats_network_node stats_network_node;
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union stats_network_node {
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int counters[STATS_NETWORK_NODE_COUNT];
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stats_network_node *children[STATS_NETWORK_NODE_COUNT];
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};
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static stats_network_node *stats_network_counters_root = NULL;
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static int stat_increase_network_count( stats_network_node **node, int depth, uint32_t ip ) {
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int foo = ( ip >> ( 32 - STATS_NETWORK_NODE_BITWIDTH * ( ++depth ) ) ) & STATS_NETWORK_NODE_BITMASK;
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if( !*node ) {
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*node = malloc( sizeof( stats_network_node ) );
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if( !*node )
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return -1;
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memset( *node, 0, sizeof( stats_network_node ) );
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}
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if( depth < STATS_NETWORK_NODE_MAXDEPTH )
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return stat_increase_network_count( &(*node)->children[ foo ], depth, ip );
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(*node)->counters[ foo ]++;
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return 0;
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}
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static int stats_shift_down_network_count( stats_network_node **node, int depth, int shift ) {
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int i, rest = 0;
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if( !*node ) return 0;
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if( ++depth == STATS_NETWORK_NODE_MAXDEPTH )
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for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
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rest += ((*node)->counters[i]>>=shift);
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return rest;
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}
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for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
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stats_network_node **childnode = &(*node)->children[i];
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int rest_val;
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if( !*childnode ) continue;
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rest += rest_val = stats_shift_down_network_count( childnode, depth, shift );
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if( rest_val ) continue;
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free( (*node)->children[i] );
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(*node)->children[i] = NULL;
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}
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return rest;
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}
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static void stats_get_highscore_networks( stats_network_node *node, int depth, uint32_t node_value, int *scores, uint32_t *networks, int network_count ) {
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int i;
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if( !node ) return;
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if( !depth++ ) {
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memset( scores, 0, sizeof( *scores ) * network_count );
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memset( networks, 0, sizeof( *networks ) * network_count );
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}
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if( depth < STATS_NETWORK_NODE_MAXDEPTH ) {
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for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
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if( node->children[i] )
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stats_get_highscore_networks( node->children[i], depth, node_value | ( i << ( 32 - depth * STATS_NETWORK_NODE_BITWIDTH ) ), scores, networks, network_count );
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} else
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for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
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int j=1;
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if( node->counters[i] <= scores[0] ) continue;
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while( (j<network_count) && (node->counters[i]>scores[j] ) ) ++j;
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--j;
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memmove( scores, scores + 1, j * sizeof( *scores ) );
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memmove( networks, networks + 1, j * sizeof( *networks ) );
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scores[ j ] = node->counters[ i ];
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networks[ j ] = node_value | ( i << ( 32 - depth * STATS_NETWORK_NODE_BITWIDTH ) );
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}
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}
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static size_t stats_return_busy_networks( char * reply ) {
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uint32_t networks[16];
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int scores[16];
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int i;
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char * r = reply;
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stats_get_highscore_networks( stats_network_counters_root, 0, 0, scores, networks, 16 );
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for( i=15; i>=0; ++i)
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r += sprintf( r, "%08i: %d.%d.%d.0/24\n", scores[i], (networks[i]>>24)&0xff, (networks[i]>>16)&0xff, (networks[i]>>8)&0xff );
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return r - reply;
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}
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#endif
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/* Converter function from memory to human readable hex strings */
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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;}
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typedef struct { size_t val; ot_torrent * torrent; } ot_record;
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/* Fetches stats from tracker */
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size_t stats_top5_txt( char * reply ) {
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size_t j;
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ot_record top5s[5], top5c[5];
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char *r = reply, hex_out[42];
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int idx, bucket;
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byte_zero( top5s, sizeof( top5s ) );
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byte_zero( top5c, sizeof( top5c ) );
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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for( j=0; j<torrents_list->size; ++j ) {
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ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[j] ).peer_list;
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int idx = 4; while( (idx >= 0) && ( peer_list->peer_count > top5c[idx].val ) ) --idx;
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if ( idx++ != 4 ) {
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memmove( top5c + idx + 1, top5c + idx, ( 4 - idx ) * sizeof( ot_record ) );
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top5c[idx].val = peer_list->peer_count;
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top5c[idx].torrent = (ot_torrent*)(torrents_list->data) + j;
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}
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idx = 4; while( (idx >= 0) && ( peer_list->seed_count > top5s[idx].val ) ) --idx;
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if ( idx++ != 4 ) {
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memmove( top5s + idx + 1, top5s + idx, ( 4 - idx ) * sizeof( ot_record ) );
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top5s[idx].val = peer_list->seed_count;
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top5s[idx].torrent = (ot_torrent*)(torrents_list->data) + j;
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}
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}
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mutex_bucket_unlock( bucket );
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}
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r += sprintf( r, "Top5 torrents by peers:\n" );
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for( idx=0; idx<5; ++idx )
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if( top5c[idx].torrent )
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r += sprintf( r, "\t%zd\t%s\n", top5c[idx].val, to_hex( hex_out, top5c[idx].torrent->hash) );
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r += sprintf( r, "Top5 torrents by seeds:\n" );
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for( idx=0; idx<5; ++idx )
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if( top5s[idx].torrent )
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r += sprintf( r, "\t%zd\t%s\n", top5s[idx].val, to_hex( hex_out, top5s[idx].torrent->hash) );
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return r - reply;
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}
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/* This function collects 4096 /24s in 4096 possible
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malloc blocks
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*/
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static size_t stats_slash24s_txt( char * reply, size_t amount, uint32_t thresh ) {
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#define NUM_TOPBITS 12
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#define NUM_LOWBITS (24-NUM_TOPBITS)
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#define NUM_BUFS (1<<NUM_TOPBITS)
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#define NUM_S24S (1<<NUM_LOWBITS)
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#define MSK_S24S (NUM_S24S-1)
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uint32_t *counts[ NUM_BUFS ];
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uint32_t slash24s[amount*2]; /* first dword amount, second dword subnet */
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int bucket;
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size_t i, j, k, l;
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char *r = reply;
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byte_zero( counts, sizeof( counts ) );
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byte_zero( slash24s, amount * 2 * sizeof(uint32_t) );
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r += sprintf( r, "Stats for all /24s with more than %u announced torrents:\n\n", thresh );
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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for( j=0; j<torrents_list->size; ++j ) {
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ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[j] ).peer_list;
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for( k=0; k<OT_POOLS_COUNT; ++k ) {
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ot_peer *peers = peer_list->peers[k].data;
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size_t numpeers = peer_list->peers[k].size;
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for( l=0; l<numpeers; ++l ) {
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uint32_t s24 = ntohl(*(uint32_t*)(peers+l)) >> 8;
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uint32_t *count = counts[ s24 >> NUM_LOWBITS ];
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if( !count ) {
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count = malloc( sizeof(uint32_t) * NUM_S24S );
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if( !count ) {
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mutex_bucket_unlock( bucket );
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goto bailout_cleanup;
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}
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byte_zero( count, sizeof( uint32_t ) * NUM_S24S );
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counts[ s24 >> NUM_LOWBITS ] = count;
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}
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count[ s24 & MSK_S24S ]++;
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}
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}
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}
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mutex_bucket_unlock( bucket );
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}
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k = l = 0; /* Debug: count allocated bufs */
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for( i=0; i < NUM_BUFS; ++i ) {
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uint32_t *count = counts[i];
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if( !counts[i] )
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continue;
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++k; /* Debug: count allocated bufs */
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for( j=0; j < NUM_S24S; ++j ) {
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if( count[j] > thresh ) {
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/* This subnet seems to announce more torrents than the last in our list */
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int insert_pos = amount - 1;
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while( ( insert_pos >= 0 ) && ( count[j] > slash24s[ 2 * insert_pos ] ) )
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--insert_pos;
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++insert_pos;
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memmove( slash24s + 2 * ( insert_pos + 1 ), slash24s + 2 * ( insert_pos ), 2 * sizeof( uint32_t ) * ( amount - insert_pos - 1 ) );
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slash24s[ 2 * insert_pos ] = count[j];
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slash24s[ 2 * insert_pos + 1 ] = ( i << NUM_TOPBITS ) + j;
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if( slash24s[ 2 * amount - 2 ] > thresh )
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thresh = slash24s[ 2 * amount - 2 ];
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}
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if( count[j] ) ++l;
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}
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free( count );
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}
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r += sprintf( r, "Allocated bufs: %zd, used s24s: %zd\n", k, l );
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for( i=0; i < amount; ++i )
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if( slash24s[ 2*i ] >= thresh ) {
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uint32_t ip = slash24s[ 2*i +1 ];
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r += sprintf( r, "% 10ld %d.%d.%d.0/24\n", (long)slash24s[ 2*i ], (int)(ip >> 16), (int)(255 & ( ip >> 8 )), (int)(ip & 255) );
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}
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return r - reply;
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bailout_cleanup:
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for( i=0; i < NUM_BUFS; ++i )
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free( counts[i] );
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return 0;
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}
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static unsigned long events_per_time( unsigned long long events, time_t t ) {
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return events / ( (unsigned int)t ? (unsigned int)t : 1 );
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}
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static size_t stats_connections_mrtg( char * reply ) {
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ot_time t = time( NULL ) - ot_start_time;
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return sprintf( reply,
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"%llu\n%llu\n%i seconds (%i hours)\nopentracker connections, %lu conns/s :: %lu success/s.",
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ot_overall_tcp_connections+ot_overall_udp_connections,
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ot_overall_tcp_successfulannounces+ot_overall_udp_successfulannounces+ot_overall_udp_connects,
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(int)t,
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(int)(t / 3600),
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events_per_time( ot_overall_tcp_connections+ot_overall_udp_connections, t ),
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events_per_time( ot_overall_tcp_successfulannounces+ot_overall_udp_successfulannounces+ot_overall_udp_connects, t )
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);
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}
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static size_t stats_udpconnections_mrtg( char * reply ) {
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ot_time t = time( NULL ) - ot_start_time;
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return sprintf( reply,
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"%llu\n%llu\n%i seconds (%i hours)\nopentracker udp4 stats, %lu conns/s :: %lu success/s.",
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ot_overall_udp_connections,
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ot_overall_udp_successfulannounces+ot_overall_udp_connects,
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(int)t,
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(int)(t / 3600),
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events_per_time( ot_overall_udp_connections, t ),
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events_per_time( ot_overall_udp_successfulannounces+ot_overall_udp_connects, t )
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);
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}
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static size_t stats_tcpconnections_mrtg( char * reply ) {
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time_t t = time( NULL ) - ot_start_time;
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return sprintf( reply,
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"%llu\n%llu\n%i seconds (%i hours)\nopentracker tcp4 stats, %lu conns/s :: %lu success/s.",
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ot_overall_tcp_connections,
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ot_overall_tcp_successfulannounces,
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(int)t,
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(int)(t / 3600),
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events_per_time( ot_overall_tcp_connections, t ),
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events_per_time( ot_overall_tcp_successfulannounces, t )
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);
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}
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static size_t stats_scrape_mrtg( char * reply ) {
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time_t t = time( NULL ) - ot_start_time;
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return sprintf( reply,
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"%llu\n%llu\n%i seconds (%i hours)\nopentracker scrape stats, %lu scrape/s (tcp and udp)",
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ot_overall_tcp_successfulscrapes,
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ot_overall_udp_successfulscrapes,
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(int)t,
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(int)(t / 3600),
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events_per_time( (ot_overall_tcp_successfulscrapes+ot_overall_udp_successfulscrapes), t )
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);
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}
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static size_t stats_fullscrapes_mrtg( char * reply ) {
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ot_time t = time( NULL ) - ot_start_time;
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return sprintf( reply,
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"%llu\n%llu\n%i seconds (%i hours)\nopentracker full scrape stats, %lu conns/s :: %lu bytes/s.",
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ot_full_scrape_count * 1000,
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ot_full_scrape_size,
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(int)t,
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(int)(t / 3600),
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events_per_time( ot_full_scrape_count, t ),
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events_per_time( ot_full_scrape_size, t )
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);
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}
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static size_t stats_peers_mrtg( char * reply ) {
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size_t torrent_count = 0, peer_count = 0, seed_count = 0, j;
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int bucket;
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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torrent_count += torrents_list->size;
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for( j=0; j<torrents_list->size; ++j ) {
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ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[j] ).peer_list;
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peer_count += peer_list->peer_count; seed_count += peer_list->seed_count;
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}
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mutex_bucket_unlock( bucket );
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}
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return sprintf( reply, "%zd\n%zd\nopentracker serving %zd torrents\nopentracker",
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peer_count,
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seed_count,
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torrent_count
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);
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}
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static size_t stats_startstop_mrtg( char * reply )
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{
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size_t torrent_count = 0;
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int bucket;
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket )
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{
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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torrent_count += torrents_list->size;
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mutex_bucket_unlock( bucket );
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}
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return sprintf( reply, "%zd\n%zd\nopentracker handling %zd torrents\nopentracker",
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(size_t)0,
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(size_t)0,
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torrent_count
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);
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}
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static size_t stats_toraddrem_mrtg( char * reply )
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{
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size_t peer_count = 0, j;
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int bucket;
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket )
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{
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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for( j=0; j<torrents_list->size; ++j )
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{
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ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[j] ).peer_list;
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peer_count += peer_list->peer_count;
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}
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mutex_bucket_unlock( bucket );
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}
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return sprintf( reply, "%zd\n%zd\nopentracker handling %zd peers\nopentracker",
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(size_t)0,
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(size_t)0,
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peer_count
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);
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}
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static size_t stats_torrents_mrtg( char * reply )
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{
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size_t torrent_count = 0;
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int bucket;
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket )
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{
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ot_vector *torrents_list = mutex_bucket_lock( bucket );
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torrent_count += torrents_list->size;
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mutex_bucket_unlock( bucket );
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}
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return sprintf( reply, "%zd\n%zd\nopentracker serving %zd torrents\nopentracker",
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torrent_count,
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(size_t)0,
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torrent_count
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);
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}
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|
|
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] );
|
|
}
|
|
|
|
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_sync_c, *g_version_udp_c, *g_version_vector_c,
|
|
*g_version_scan_urlencoded_query_c, *g_version_trackerlogic_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_sync_c, g_version_udp_c, g_version_vector_c,
|
|
g_version_scan_urlencoded_query_c, g_version_trackerlogic_c );
|
|
}
|
|
|
|
size_t return_stats_for_tracker( char *reply, int mode, int format ) {
|
|
format = format;
|
|
switch( mode ) {
|
|
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_PEERS:
|
|
return stats_peers_mrtg( reply );
|
|
case TASK_STATS_TORRENTS:
|
|
return stats_torrents_mrtg( reply );
|
|
case TASK_STATS_TORADDREM:
|
|
return stats_toraddrem_mrtg( reply );
|
|
case TASK_STATS_STARTSTOP:
|
|
return stats_startstop_mrtg( reply );
|
|
case TASK_STATS_SLASH24S:
|
|
return stats_slash24s_txt( reply, 25, 16 );
|
|
case TASK_STATS_TOP5:
|
|
return stats_top5_txt( reply );
|
|
case TASK_STATS_FULLSCRAPE:
|
|
return stats_fullscrapes_mrtg( reply );
|
|
case TASK_STATS_HTTPERRORS:
|
|
return stats_httperrors_txt( reply );
|
|
case TASK_STATS_VERSION:
|
|
return stats_return_tracker_version( reply );
|
|
#ifdef WANT_LOG_NETWORKS
|
|
case TASK_STATS_BUSY_NETWORKS:
|
|
return stats_return_busy_networks( reply );
|
|
#endif
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void stats_issue_event( ot_status_event event, int is_tcp, uint32_t event_data ) {
|
|
switch( event ) {
|
|
case EVENT_ACCEPT:
|
|
if( is_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( is_tcp ) ot_overall_tcp_successfulannounces++; else ot_overall_udp_successfulannounces++;
|
|
break;
|
|
case EVENT_CONNECT:
|
|
if( is_tcp ) ot_overall_tcp_connects++; else ot_overall_udp_connects++;
|
|
break;
|
|
case EVENT_SCRAPE:
|
|
if( is_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:
|
|
{
|
|
unsigned char ip[4]; *(int*)ip = is_tcp; /* ugly hack to transfer ip to stats */
|
|
LOG_TO_STDERR( "[%08d] scrp: %d.%d.%d.%d - FULL SCRAPE\n", (unsigned int)(g_now - ot_start_time), ip[0], ip[1], ip[2], ip[3] );
|
|
ot_full_scrape_request_count++;
|
|
}
|
|
break;
|
|
case EVENT_FULLSCRAPE_REQUEST_GZIP:
|
|
{
|
|
unsigned char ip[4]; *(int*)ip = is_tcp; /* ugly hack to transfer ip to stats */
|
|
LOG_TO_STDERR( "[%08d] scrp: %d.%d.%d.%d - FULL SCRAPE GZIP\n", (unsigned int)(g_now - ot_start_time), ip[0], ip[1], ip[2], ip[3] );
|
|
ot_full_scrape_request_count++;
|
|
}
|
|
break;
|
|
case EVENT_FAILED:
|
|
ot_failed_request_counts[event_data]++;
|
|
break;
|
|
case EVENT_SYNC_IN_REQUEST:
|
|
case EVENT_SYNC_IN:
|
|
case EVENT_SYNC_OUT_REQUEST:
|
|
case EVENT_SYNC_OUT:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void stats_init( ) {
|
|
ot_start_time = g_now;
|
|
}
|
|
|
|
void stats_deinit( ) {
|
|
|
|
}
|
|
|
|
const char *g_version_stats_c = "$Source$: $Revision$\n";
|