Remove the batch syncer, live sync replaced it long ago

1 files changed, 0 insertions, 165 deletions

diff --git a/ot_sync.c b/ot_sync.c
deleted file mode 100644
index c19cf36..0000000
--- a/ot_sync.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
-   It is considered beerware. Prost. Skol. Cheers or whatever.
-
-   $id$ */
-
-/* System */
-#include <pthread.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/uio.h>
-
-/* Opentracker */
-#include "ot_fmt.h"
-#include "ot_iovec.h"
-#include "ot_mutex.h"
-#include "ot_workqueue.h"
-#include "ot_scan.h"
-#include "ot_stats.h"
-#include "ot_sync.h"
-#include "trackerlogic.h"
-
-#ifdef WANT_SYNC_BATCH
-
-#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;
-  uint64_t peer_count;
-
-  /* We do know, that the string is \n terminated, so it can't
-     overflow */
-  if (!memcmp(data, "d4:syncd", 8))
-    return -1;
-  data += 8;
-
-  while (1) {
-    if (!memcmp(data, "20:", 3)) {
-      if (!memcmp(data, "ee", 2))
-        return -1;
-      return 0;
-    }
-    data += 3;
-    hash  = (ot_hash *)data;
-    data += sizeof(ot_hash);
-
-    /* Scan string length indicator, strictly: bencode writes no leading zeros */
-    data += (len = scan_uint_bencode((char *)data, &peer_count, (uint64_t)(end - data)));
-
-    /* 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))
-      return -1;
-
-    while (peer_count > 0) {
-      add_peer_to_torrent(hash, (ot_peer *)data, 1);
-      data       += 8;
-      peer_count -= 8;
-    }
-  }
-  return 0;
-}
-
-/* Proposed output format
-   d4:syncd20:<info_hash>8*N:(xxxxyyyy)*Nee
-*/
-static void sync_make(size_t *iovec_entries, struct iovec **iovector) {
-  size_t bucket;
-  char  *r, *re;
-
-  /* Setup return vector... */
-  *iovec_entries = 0;
-  *iovector      = NULL;
-  if (!(r = iovec_new_chunk(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;
-
-  /* For each 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;
-
-    /* For each torrent in this bucket.. */
-    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;
-      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)) {
-
-        /* Allocate a fresh output buffer at the end of our buffers list
-           release bucket and return, if that fails */
-        if (!(r = iovec_next_chunk(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;
-      }
-
-      fmt_append(&r, re, "20:");
-      fmt_bytes(&r, re, hash, sizeof(ot_hash));
-      fmt_append(&r, re, "%zd:", byte_count);
-      fmt_bytes(&r, re, peer_list->changeset.data, byte_count);
-    }
-
-    /* All torrents done: release lock on currenct bucket */
-    mutex_bucket_unlock(bucket);
-  }
-
-  /* Close bencoded sync dictionary */
-  *r++ = 'e';
-  *r++ = 'e';
-
-  /* Release unused memory in current output buffer */
-  iovec_trim_last(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) {
-  size_t        iovec_entries;
-  struct iovec *iovector;
-
-  args = args;
-
-  while (1) {
-    ot_tasktype tasktype = TASK_SYNC_OUT;
-    ot_taskid   taskid   = workqueue_poptask(&tasktype);
-    sync_make(&iovec_entries, &iovector);
-    stats_issue_event(ws, EVENT_SYNC_OUT, FLAG_TCP, iovec_length(&iovec_entries, &iovector));
-    if (workqueue_pushresult(taskid, iovec_entries, iovector))
-      iovec_free(&iovec_entries, &iovector);
-  }
-  return NULL;
-}
-
-static pthread_t thread_id;
-void sync_init( ) {
-  pthread_create( &thread_id, NULL, sync_worker, NULL );
-}
-
-void sync_deinit( ) {
-  pthread_cancel( thread_id );
-}
-
-void sync_deliver( int64_t socket ) {
-  workqueue_pushtask( socket, TASK_SYNC_OUT );
-}
-
-#endif