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@ -8,6 +8,7 @@
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#include <pthread.h>
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/* Libowfat */
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#include "textcode.h"
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/* Opentracker */
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#include "trackerlogic.h"
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@ -25,7 +26,11 @@
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#define OT_FULLSCRAPE_MAXENTRYLEN 100
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/* Forward declaration */
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static void fullscrape_make( int *iovec_entries, struct iovec **iovector );
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static void fullscrape_make( int *iovec_entries, struct iovec **iovector, ot_tasktype mode );
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/* Converter function from memory to human readable hex strings
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XXX - Duplicated from ot_stats. Needs fix. */
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static char*to_hex(char*d,ot_byte*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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/* This is the entry point into this worker thread
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It grabs tasks from mutex_tasklist and delivers results back
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@ -37,8 +42,9 @@ static void * fullscrape_worker( void * args) {
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args = args;
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while( 1 ) {
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ot_taskid taskid = mutex_workqueue_poptask( OT_TASKTYPE_FULLSCRAPE );
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fullscrape_make( &iovec_entries, &iovector );
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ot_tasktype tasktype = TASK_FULLSCRAPE;
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ot_taskid taskid = mutex_workqueue_poptask( &tasktype );
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fullscrape_make( &iovec_entries, &iovector, tasktype );
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if( mutex_workqueue_pushresult( taskid, iovec_entries, iovector ) )
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iovec_free( &iovec_entries, &iovector );
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}
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@ -50,11 +56,11 @@ void fullscrape_init( ) {
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pthread_create( &thread_id, NULL, fullscrape_worker, NULL );
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}
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void fullscrape_deliver( int64 socket ) {
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mutex_workqueue_pushtask( socket, OT_TASKTYPE_FULLSCRAPE );
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void fullscrape_deliver( int64 socket, ot_tasktype tasktype ) {
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mutex_workqueue_pushtask( socket, tasktype );
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}
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static void fullscrape_make( int *iovec_entries, struct iovec **iovector ) {
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static void fullscrape_make( int *iovec_entries, struct iovec **iovector, ot_tasktype mode ) {
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int bucket;
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char *r, *re;
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@ -68,8 +74,11 @@ static void fullscrape_make( int *iovec_entries, struct iovec **iovector ) {
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This works as a low watermark */
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re = r + OT_SCRAPE_CHUNK_SIZE;
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/* Start reply dictionary */
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memmove( r, "d5:filesd", 9 ); r += 9;
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/* Reply dictionary only needed for bencoded fullscrape */
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if( mode == TASK_FULLSCRAPE ) {
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memmove( r, "d5:filesd", 9 );
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r += 9;
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}
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/* For each bucket... */
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for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
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@ -83,15 +92,29 @@ static void fullscrape_make( int *iovec_entries, struct iovec **iovector ) {
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ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[tor_offset] ).peer_list;
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ot_hash *hash =&( ((ot_torrent*)(torrents_list->data))[tor_offset] ).hash;
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/* If torrent has peers or download count, its interesting */
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if( peer_list->peer_count || peer_list->down_count ) {
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switch( mode ) {
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case TASK_FULLSCRAPE:
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default:
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/* push hash as bencoded string */
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*r++='2'; *r++='0'; *r++=':';
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memmove( r, hash, 20 ); r+=20;
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/* push rest of the scrape string */
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r += sprintf( r, "d8:completei%zde10:downloadedi%zde10:incompletei%zdee", peer_list->seed_count, peer_list->down_count, peer_list->peer_count-peer_list->seed_count );
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break;
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case TASK_FULLSCRAPE_TPB_ASCII:
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to_hex( r, *hash ); r+=40;
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r += sprintf( r, ":%zd:%zd\n", peer_list->seed_count, peer_list->peer_count-peer_list->seed_count );
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break;
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case TASK_FULLSCRAPE_TPB_BINARY:
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memmove( r, hash, 20 ); r+=20;
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*(ot_dword*)r++ = htonl( (uint32_t)peer_list->seed_count );
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*(ot_dword*)r++ = htonl( (uint32_t)( peer_list->peer_count-peer_list->seed_count) );
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break;
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case TASK_FULLSCRAPE_TPB_URLENCODED:
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r += fmt_urlencoded( r, (char *)*hash, 20 );
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r += sprintf( r, ":%zd:%zd\n", peer_list->seed_count, peer_list->peer_count-peer_list->seed_count );
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break;
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}
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/* If we reached our low watermark in buffer... */
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@ -120,8 +143,10 @@ static void fullscrape_make( int *iovec_entries, struct iovec **iovector ) {
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mutex_bucket_unlock( bucket );
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}
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/* Close bencoded scrape dictionary */
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/* Close bencoded scrape dictionary if necessary */
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if( mode == TASK_FULLSCRAPE ) {
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*r++='e'; *r++='e';
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}
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/* Release unused memory in current output buffer */
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iovec_fixlast( iovec_entries, iovector, OT_SCRAPE_CHUNK_SIZE - ( re - r ) );
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