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opentracker
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Major rewrite of live bad network logging. You can now limit logging to any netmask. HTTP interface for that coming soon.

dynamic-accesslists
erdgeist 16 years ago
parent
d113912101
commit
6c19143bc1
1 changed files with 155 additions and 142 deletions
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  1. 297
      ot_stats.c

297
ot_stats.c
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@ -17,6 +17,7 @@
/* Libowfat */ /* Libowfat */
#include "byte.h" #include "byte.h"
#include "io.h" #include "io.h"
#include "ip4.h"
#include "ip6.h" #include "ip6.h"
/* Opentracker */ /* Opentracker */
@ -56,28 +57,36 @@ static unsigned long long ot_overall_stall_count;
static time_t ot_start_time; static time_t ot_start_time;
#ifdef WANT_LOG_NETWORKS #define STATS_NETWORK_NODE_BITWIDTH 4
#define STATS_NETWORK_NODE_BITWIDTH 8 #define STATS_NETWORK_NODE_COUNT (1<<STATS_NETWORK_NODE_BITWIDTH)
#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 #ifdef WANT_V6
#define STATS_NETWORK_NODE_MAXDEPTH (48/8-1) #define STATS_NETWORK_NODE_MAXDEPTH (68-STATS_NETWORK_NODE_BITWIDTH)
#define STATS_NETWORK_NODE_LIMIT (48-STATS_NETWORK_NODE_BITWIDTH)
#else #else
#define STATS_NETWORK_NODE_MAXDEPTH (12+24/8-1) #define STATS_NETWORK_NODE_MAXDEPTH (28-STATS_NETWORK_NODE_BITWIDTH)
#define STATS_NETWORK_NODE_LIMIT (24-STATS_NETWORK_NODE_BITWIDTH)
#endif #endif
typedef union stats_network_node stats_network_node; typedef union stats_network_node stats_network_node;
union stats_network_node { union stats_network_node {
int counters[STATS_NETWORK_NODE_COUNT]; int counters[STATS_NETWORK_NODE_COUNT];
stats_network_node *children[STATS_NETWORK_NODE_COUNT]; stats_network_node *children[STATS_NETWORK_NODE_COUNT];
}; };
#ifdef WANT_LOG_NETWORKS
static stats_network_node *stats_network_counters_root = NULL; static stats_network_node *stats_network_counters_root = NULL;
#endif
static int stat_increase_network_count( stats_network_node **node, int depth, uintptr_t ip ) { static int stat_increase_network_count( stats_network_node **node, int depth, uintptr_t ip ) {
uint8_t *_ip = (uint8_t*)ip; int foo = __LDR(ip,depth);
int foo = _ip[depth];
if( !*node ) { if( !*node ) {
*node = malloc( sizeof( stats_network_node ) ); *node = malloc( sizeof( stats_network_node ) );
@ -87,7 +96,7 @@ static int stat_increase_network_count( stats_network_node **node, int depth, ui
} }
if( depth < STATS_NETWORK_NODE_MAXDEPTH ) if( depth < STATS_NETWORK_NODE_MAXDEPTH )
return stat_increase_network_count( &(*node)->children[ foo ], depth+1, ip ); return stat_increase_network_count( &(*node)->children[ foo ], depth+STATS_NETWORK_NODE_BITWIDTH, ip );
(*node)->counters[ foo ]++; (*node)->counters[ foo ]++;
return 0; return 0;
@ -97,11 +106,12 @@ static int stats_shift_down_network_count( stats_network_node **node, int depth,
int i, rest = 0; int i, rest = 0;
if( !*node ) return 0; if( !*node ) return 0;
if( ++depth == STATS_NETWORK_NODE_MAXDEPTH ) depth += STATS_NETWORK_NODE_BITWIDTH;
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) { if( depth == STATS_NETWORK_NODE_MAXDEPTH ) {
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
rest += ((*node)->counters[i]>>=shift); rest += ((*node)->counters[i]>>=shift);
return rest; return rest;
} }
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) { for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
stats_network_node **childnode = &(*node)->children[i]; stats_network_node **childnode = &(*node)->children[i];
@ -120,56 +130,155 @@ static int stats_shift_down_network_count( stats_network_node **node, int depth,
return rest; return rest;
} }
static void stats_get_highscore_networks( stats_network_node *node, int depth, ot_ip6 node_value, int *scores, ot_ip6 *networks, int network_count ) { 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 ) {
uint8_t *_node_value = (uint8_t*)node_value; size_t score = 0;
int i; int i;
if( !node ) return; if( !node ) return 0;
if( depth < STATS_NETWORK_NODE_MAXDEPTH ) { if( depth < limit ) {
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i )
if( node->children[i] ) { if( node->children[i] ) {
_node_value[depth] = i; __STR(node_value,depth,i);
stats_get_highscore_networks( node->children[i], depth+1, node_value, scores, networks, network_count ); score += stats_get_highscore_networks( node->children[i], depth+STATS_NETWORK_NODE_BITWIDTH, node_value, scores, networks, network_count, limit );
}
} else
for( i=0; i<STATS_NETWORK_NODE_COUNT; ++i ) {
int j=1;
if( node->counters[i] <= scores[0] ) continue;
_node_value[depth] = i;
while( (j<network_count) && (node->counters[i]>scores[j] ) ) ++j;
--j;
memcpy( scores, scores + 1, j * sizeof( *scores ) );
memcpy( networks, networks + 1, j * sizeof( *networks ) );
scores[ j ] = node->counters[ i ];
memcpy( networks + j, _node_value, sizeof( *networks ) );
} }
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 ) { static size_t stats_return_busy_networks( char * reply, stats_network_node *tree, int amount ) {
ot_ip6 networks[256]; ot_ip6 networks[amount];
ot_ip6 node_value; ot_ip6 node_value;
int scores[256]; size_t scores[amount];
int i; int i;
char * r = reply; char * r = reply;
memset( scores, 0, sizeof( *scores ) * 256 ); memset( scores, 0, sizeof( scores ) );
memset( networks, 0, sizeof( *networks ) * 256 ); memset( networks, 0, sizeof( networks ) );
memset( node_value, 0, sizeof( node_value ) );
stats_get_highscore_networks( tree, 0, node_value, scores, networks, amount, STATS_NETWORK_NODE_MAXDEPTH );
r += sprintf( r, "Networks, limit /%d:\n", STATS_NETWORK_NODE_MAXDEPTH+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';
}
}
memset( scores, 0, sizeof( scores ) );
memset( networks, 0, sizeof( networks ) );
memset( node_value, 0, sizeof( node_value ) );
stats_get_highscore_networks( stats_network_counters_root, 0, node_value, scores, networks, 256 ); stats_get_highscore_networks( tree, 0, node_value, scores, networks, amount, STATS_NETWORK_NODE_LIMIT );
for( i=255; i>=0; --i) { r += sprintf( r, "\nNetworks, limit /%d:\n", STATS_NETWORK_NODE_LIMIT+STATS_NETWORK_NODE_BITWIDTH );
r += sprintf( r, "%08i: ", scores[i] ); for( i=amount-1; i>=0; --i) {
r += fmt_ip6c( r, networks[i] ); if( scores[i] ) {
*r++ = '\n'; 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';
}
} }
return r - reply; return r - reply;
} }
#endif 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 );
goto success;
bailout_unlock:
mutex_bucket_unlock( bucket, 0 );
bailout_error:
r = reply;
success:
stats_shift_down_network_count( &slash24s_network_counters_root, 0, STATS_NETWORK_NODE_MAXDEPTH*STATS_NETWORK_NODE_BITWIDTH );
if( slash24s_network_counters_root )
free( slash24s_network_counters_root );
return r-reply;
}
typedef struct { typedef struct {
unsigned long long torrent_count; unsigned long long torrent_count;
@ -234,98 +343,6 @@ size_t stats_top10_txt( char * reply ) {
return r - reply; return r - reply;
} }
/* This function collects 4096 /24s in 4096 possible
malloc blocks
*/
static size_t stats_slash24s_txt( char * reply, size_t amount, uint32_t thresh ) {
#define NUM_TOPBITS 12
#define NUM_LOWBITS (24-NUM_TOPBITS)
#define NUM_BUFS (1<<NUM_TOPBITS)
#define NUM_S24S (1<<NUM_LOWBITS)
#define MSK_S24S (NUM_S24S-1)
uint32_t *counts[ NUM_BUFS ];
uint32_t slash24s[amount*2]; /* first dword amount, second dword subnet */
size_t i, j, k, l;
char *r = reply;
byte_zero( counts, sizeof( counts ) );
byte_zero( slash24s, amount * 2 * sizeof(uint32_t) );
r += sprintf( r, "Stats for all /24s with more than %u announced torrents:\n\n", thresh );
#if 0
/* XXX: TOOD: Doesn't work yet with new peer storage model */
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;
for( k=0; k<OT_POOLS_COUNT; ++k ) {
ot_peer *peers = peer_list->peers[k].data;
size_t numpeers = peer_list->peers[k].size;
for( l=0; l<numpeers; ++l ) {
uint32_t s24 = ntohl(*(uint32_t*)(peers+l)) >> 8;
uint32_t *count = counts[ s24 >> NUM_LOWBITS ];
if( !count ) {
count = malloc( sizeof(uint32_t) * NUM_S24S );
if( !count ) {
mutex_bucket_unlock( bucket, 0 );
goto bailout_cleanup;
}
byte_zero( count, sizeof( uint32_t ) * NUM_S24S );
counts[ s24 >> NUM_LOWBITS ] = count;
}
count[ s24 & MSK_S24S ]++;
}
}
}
mutex_bucket_unlock( bucket, 0 );
if( !g_opentracker_running )
goto bailout_cleanup;
}
#endif
k = l = 0; /* Debug: count allocated bufs */
for( i=0; i < NUM_BUFS; ++i ) {
uint32_t *count = counts[i];
if( !counts[i] )
continue;
++k; /* Debug: count allocated bufs */
for( j=0; j < NUM_S24S; ++j ) {
if( count[j] > thresh ) {
/* This subnet seems to announce more torrents than the last in our list */
int insert_pos = amount - 1;
while( ( insert_pos >= 0 ) && ( count[j] > slash24s[ 2 * insert_pos ] ) )
--insert_pos;
++insert_pos;
memcpy( slash24s + 2 * ( insert_pos + 1 ), slash24s + 2 * ( insert_pos ), 2 * sizeof( uint32_t ) * ( amount - insert_pos - 1 ) );
slash24s[ 2 * insert_pos ] = count[j];
slash24s[ 2 * insert_pos + 1 ] = ( i << NUM_TOPBITS ) + j;
if( slash24s[ 2 * amount - 2 ] > thresh )
thresh = slash24s[ 2 * amount - 2 ];
}
if( count[j] ) ++l;
}
free( count );
}
r += sprintf( r, "Allocated bufs: %zd, used s24s: %zd\n", k, l );
for( i=0; i < amount; ++i )
if( slash24s[ 2*i ] >= thresh ) {
uint32_t ip = slash24s[ 2*i +1 ];
r += sprintf( r, "% 10ld %d.%d.%d.0/24\n", (long)slash24s[ 2*i ], (int)(ip >> 16), (int)(255 & ( ip >> 8 )), (int)(ip & 255) );
}
return r - reply;
for( i=0; i < NUM_BUFS; ++i )
free( counts[i] );
return 0;
}
static unsigned long events_per_time( unsigned long long events, time_t t ) { static unsigned long events_per_time( unsigned long long events, time_t t ) {
return events / ( (unsigned int)t ? (unsigned int)t : 1 ); return events / ( (unsigned int)t ? (unsigned int)t : 1 );
} }
@ -532,10 +549,6 @@ size_t return_stats_for_tracker( char *reply, int mode, int format ) {
return stats_return_renew_bucket( reply ); return stats_return_renew_bucket( reply );
case TASK_STATS_SYNCS: case TASK_STATS_SYNCS:
return stats_return_sync_mrtg( reply ); return stats_return_sync_mrtg( reply );
#ifdef WANT_LOG_NETWORKS
case TASK_STATS_BUSY_NETWORKS:
return stats_return_busy_networks( reply );
#endif
default: default:
return 0; return 0;
} }
@ -552,7 +565,7 @@ static void stats_make( int *iovec_entries, struct iovec **iovector, ot_tasktype
switch( mode & TASK_TASK_MASK ) { switch( mode & TASK_TASK_MASK ) {
case TASK_STATS_TORRENTS: r += stats_torrents_mrtg( r ); break; case TASK_STATS_TORRENTS: r += stats_torrents_mrtg( r ); break;
case TASK_STATS_PEERS: r += stats_peers_mrtg( r ); break; case TASK_STATS_PEERS: r += stats_peers_mrtg( r ); break;
case TASK_STATS_SLASH24S: r += stats_slash24s_txt( r, 25, 16 ); 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_TOP10: r += stats_top10_txt( r ); break;
case TASK_STATS_EVERYTHING: r += stats_return_everything( r ); break; case TASK_STATS_EVERYTHING: r += stats_return_everything( r ); break;
default: default:

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