1 files changed, 62 insertions, 54 deletions

diff --git a/ot_sync.c b/ot_sync.c
index cd66a46..259d4de 100644
--- a/ot_sync.c
+++ b/ot_sync.c
@@ -4,64 +4,66 @@
    $id$ */
 
 /* System */
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/uio.h>
+#include <pthread.h>
 #include <stdio.h>
 #include <string.h>
-#include <pthread.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/uio.h>
 
 /* Libowfat */
-#include "scan.h"
 #include "byte.h"
 #include "io.h"
+#include "scan.h"
 
 /* Opentracker */
-#include "trackerlogic.h"
+#include "ot_iovec.h"
 #include "ot_mutex.h"
-#include "ot_sync.h"
 #include "ot_stats.h"
-#include "ot_iovec.h"
+#include "ot_sync.h"
+#include "trackerlogic.h"
 
 #ifdef WANT_SYNC_BATCH
 
-#define OT_SYNC_CHUNK_SIZE (512*1024)
+#define OT_SYNC_CHUNK_SIZE (512 * 1024)
 
 /* Import Changeset from an external authority
    format: d4:syncd[..]ee
    [..]:   ( 20:01234567890abcdefghij16:XXXXYYYY )+
 */
-int add_changeset_to_tracker( uint8_t *data, size_t len ) {
-  ot_hash    *hash;
-  uint8_t    *end = data + len;
-  unsigned long      peer_count;
+int add_changeset_to_tracker(uint8_t *data, size_t len) {
+  ot_hash      *hash;
+  uint8_t      *end = data + len;
+  unsigned long peer_count;
 
   /* We do know, that the string is \n terminated, so it cant
      overflow */
-  if( byte_diff( data, 8, "d4:syncd" ) ) return -1;
+  if (byte_diff(data, 8, "d4:syncd"))
+    return -1;
   data += 8;
 
-  while( 1 ) {
-    if( byte_diff( data, 3, "20:" ) ) {
-      if( byte_diff( data, 2, "ee" ) )
+  while (1) {
+    if (byte_diff(data, 3, "20:")) {
+      if (byte_diff(data, 2, "ee"))
         return -1;
       return 0;
     }
     data += 3;
-    hash = (ot_hash*)data;
-    data += sizeof( ot_hash );
+    hash  = (ot_hash *)data;
+    data += sizeof(ot_hash);
 
     /* Scan string length indicator */
-    data += ( len = scan_ulong( (char*)data, &peer_count ) );
+    data += (len = scan_ulong((char *)data, &peer_count));
 
     /* If no long was scanned, it is not divisible by 8, it is not
        followed by a colon or claims to need to much memory, we fail */
-    if( !len || !peer_count || ( peer_count & 7 ) || ( *data++ != ':' ) || ( data + peer_count > end ) )
+    if (!len || !peer_count || (peer_count & 7) || (*data++ != ':') || (data + peer_count > end))
       return -1;
 
-    while( peer_count > 0 ) {
-      add_peer_to_torrent( hash, (ot_peer*)data, 1 );
-      data += 8; peer_count -= 8;
+    while (peer_count > 0) {
+      add_peer_to_torrent(hash, (ot_peer *)data, 1);
+      data       += 8;
+      peer_count -= 8;
     }
   }
   return 0;
@@ -70,80 +72,86 @@ int add_changeset_to_tracker( uint8_t *data, size_t len ) {
 /* Proposed output format
    d4:syncd20:<info_hash>8*N:(xxxxyyyy)*Nee
 */
-static void sync_make( int *iovec_entries, struct iovec **iovector ) {
-  int    bucket;
-  char  *r, *re;
+static void sync_make(int *iovec_entries, struct iovec **iovector) {
+  int   bucket;
+  char *r, *re;
 
   /* Setup return vector... */
   *iovec_entries = 0;
-  *iovector = NULL;
-  if( !( r = iovec_increase( iovec_entries, iovector, OT_SYNC_CHUNK_SIZE ) ) )
+  *iovector      = NULL;
+  if (!(r = iovec_increase(iovec_entries, iovector, OT_SYNC_CHUNK_SIZE)))
     return;
 
   /* ... and pointer to end of current output buffer.
      This works as a low watermark */
   re = r + OT_SYNC_CHUNK_SIZE;
 
-  memmove( r, "d4:syncd", 8 ); r += 8;
+  memmove(r, "d4:syncd", 8);
+  r += 8;
 
   /* For each bucket... */
-  for( bucket=0; bucket<OT_BUCKET_COUNT; ++bucket ) {
+  for (bucket = 0; bucket < OT_BUCKET_COUNT; ++bucket) {
     /* Get exclusive access to that bucket */
-    ot_vector *torrents_list = mutex_bucket_lock( bucket );
-    size_t tor_offset;
+    ot_vector *torrents_list = mutex_bucket_lock(bucket);
+    size_t     tor_offset;
 
     /* For each torrent in this bucket.. */
-    for( tor_offset=0; tor_offset<torrents_list->size; ++tor_offset ) {
+    for (tor_offset = 0; tor_offset < torrents_list->size; ++tor_offset) {
       /* Address torrents members */
-      ot_peerlist *peer_list = ( ((ot_torrent*)(torrents_list->data))[tor_offset] ).peer_list;
-      ot_hash     *hash      =&( ((ot_torrent*)(torrents_list->data))[tor_offset] ).hash;
+      ot_peerlist *peer_list  = (((ot_torrent *)(torrents_list->data))[tor_offset]).peer_list;
+      ot_hash     *hash       = &(((ot_torrent *)(torrents_list->data))[tor_offset]).hash;
       const size_t byte_count = sizeof(ot_peer) * peer_list->changeset.size;
 
       /* If we reached our low watermark in buffer... */
-      if( re - r <= (ssize_t)(/* strlen( "20:" ) == */ 3 + sizeof( ot_hash ) + /* strlen_max( "%zd" ) == */ 12 + byte_count ) ) {
+      if (re - r <= (ssize_t)(/* strlen( "20:" ) == */ 3 + sizeof(ot_hash) + /* strlen_max( "%zd" ) == */ 12 + byte_count)) {
 
         /* Allocate a fresh output buffer at the end of our buffers list
            release bucket and return, if that fails */
-        if( !( r = iovec_fix_increase_or_free( iovec_entries, iovector, r, OT_SYNC_CHUNK_SIZE ) ) )
-          return mutex_bucket_unlock( bucket );
+        if (!(r = iovec_fix_increase_or_free(iovec_entries, iovector, r, OT_SYNC_CHUNK_SIZE)))
+          return mutex_bucket_unlock(bucket);
 
         /* Adjust new end of output buffer */
         re = r + OT_SYNC_CHUNK_SIZE;
       }
 
-      *r++ = '2'; *r++ = '0'; *r++ = ':';
-      memmove( r, hash, sizeof( ot_hash ) ); r += sizeof( ot_hash );
-      r += sprintf( r, "%zd:", byte_count );
-      memmove( r, peer_list->changeset.data, byte_count ); r += byte_count;
+      *r++ = '2';
+      *r++ = '0';
+      *r++ = ':';
+      memmove(r, hash, sizeof(ot_hash));
+      r += sizeof(ot_hash);
+      r += sprintf(r, "%zd:", byte_count);
+      memmove(r, peer_list->changeset.data, byte_count);
+      r += byte_count;
     }
 
     /* All torrents done: release lock on currenct bucket */
-    mutex_bucket_unlock( bucket );
+    mutex_bucket_unlock(bucket);
   }
 
   /* Close bencoded sync dictionary */
-  *r++='e'; *r++='e';
+  *r++ = 'e';
+  *r++ = 'e';
 
   /* Release unused memory in current output buffer */
-  iovec_fixlast( iovec_entries, iovector, r );
+  iovec_fixlast(iovec_entries, iovector, r);
 }
 
 /* This is the entry point into this worker thread
    It grabs tasks from mutex_tasklist and delivers results back
 */
-static void * sync_worker( void * args) {
-  int iovec_entries;
+static void *sync_worker(void *args) {
+  int           iovec_entries;
   struct iovec *iovector;
 
   args = args;
 
-  while( 1 ) {
+  while (1) {
     ot_tasktype tasktype = TASK_SYNC_OUT;
-    ot_taskid   taskid   = mutex_workqueue_poptask( &tasktype );
-    sync_make( &iovec_entries, &iovector );
-    stats_issue_event( EVENT_SYNC_OUT, FLAG_TCP, iovec_length( &iovec_entries, &iovector) );
-    if( mutex_workqueue_pushresult( taskid, iovec_entries, iovector ) )
-      iovec_free( &iovec_entries, &iovector );
+    ot_taskid   taskid   = mutex_workqueue_poptask(&tasktype);
+    sync_make(&iovec_entries, &iovector);
+    stats_issue_event(EVENT_SYNC_OUT, FLAG_TCP, iovec_length(&iovec_entries, &iovector));
+    if (mutex_workqueue_pushresult(taskid, iovec_entries, iovector))
+      iovec_free(&iovec_entries, &iovector);
   }
   return NULL;
 }