From 8900cc0dd980cb08a0af957a1d0dd849bf3c2ac6 Mon Sep 17 00:00:00 2001
From: erdgeist <>
Date: Tue, 6 Nov 2007 11:58:32 +0000
Subject: No one can get access to buckets now without locking them. Also split
 up the trackerlogic.c-monster in functional sub-units. HEADS UP: this code is
 untested and not considered stable.

---
 ot_mutex.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'ot_mutex.c')

diff --git a/ot_mutex.c b/ot_mutex.c
index 5c14e45..bb82f46 100644
--- a/ot_mutex.c
+++ b/ot_mutex.c
@@ -1,11 +1,19 @@
 /* This software was written by Dirk Engling <erdgeist@erdgeist.org>
    It is considered beerware. Prost. Skol. Cheers or whatever. */
 
+/* System */
 #include <pthread.h>
 #include <stdio.h>
 
+/* Libowfat */
+#include "byte.h"
+
+/* Opentracker */
 #include "trackerlogic.h"
-#include "mutex.h"
+#include "ot_mutex.h"
+
+/* Our global all torrents list */
+static ot_vector all_torrents[OT_BUCKET_COUNT];
 
 static int bucket_locklist[ OT_MAX_THREADS ];
 static int bucket_locklist_count = 0;
@@ -51,12 +59,23 @@ static void bucket_remove( int bucket ) {
   --bucket_locklist_count;
 }
 
-void mutex_bucket_lock( int bucket ) {
+ot_vector *mutex_bucket_lock( int bucket ) {
   pthread_mutex_lock( &bucket_mutex );
   while( bucket_check( bucket ) )
     pthread_cond_wait( &bucket_being_unlocked, &bucket_mutex );
   bucket_push( bucket );
   pthread_mutex_unlock( &bucket_mutex );
+  return all_torrents + bucket;
+}
+
+ot_vector *mutex_bucket_lock_by_hash( ot_hash *hash ) {
+  unsigned char *local_hash = hash[0];
+  int bucket = ( local_hash[0] << 2 ) | ( local_hash[1] >> 6 );
+
+  /* Can block */
+  mutex_bucket_lock( bucket );
+
+  return all_torrents + bucket;
 }
 
 void mutex_bucket_unlock( int bucket ) {
@@ -66,12 +85,20 @@ void mutex_bucket_unlock( int bucket ) {
   pthread_mutex_unlock( &bucket_mutex );
 }   
 
+void mutex_bucket_unlock_by_hash( ot_hash *hash ) {
+  unsigned char *local_hash = hash[0];
+  int bucket = ( local_hash[0] << 2 ) | ( local_hash[1] >> 6 );
+  mutex_bucket_unlock( bucket );
+}
+
 void mutex_init( ) {
   pthread_mutex_init(&bucket_mutex, NULL);
   pthread_cond_init (&bucket_being_unlocked, NULL);
+  byte_zero( all_torrents, sizeof( all_torrents ) );
 }
 
 void mutex_deinit( ) {
   pthread_mutex_destroy(&bucket_mutex);
   pthread_cond_destroy(&bucket_being_unlocked);
+  byte_zero( all_torrents, sizeof( all_torrents ) );
 }
-- 
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