RTorrent release version 0.15.0

libtorrent

Stability Improvements

1. Resolved a crash with Handshake buffer resizing.

   • rakshasa/libtorrent#254 by @rakshasa
   • rakshasa/libtorrent#264 by @slingamn

2. Respect failure intervals for trackers.

   • rakshasa/libtorrent#260 by @rakshasa and @kannibalox

3. Fix file truncation on resume with fallocate enabled

   • rakshasa/libtorrent#261 by @rakshasa and @jmakovicka

4. Change _sync* to std::atomic for cross platform compatibility.

   • rakshasa/libtorrent#266 by @rakshasa
   • rakshasa/libtorrent#267 by @rakshasa

5. Resolve Wclass-memaccess compile warning with std::memset.

   • rakshasa/libtorrent#280 by @neheb

Performance Improvements

1. Only write uncertain_pieces.timestamp when necessary.

   • rakshasa/libtorrent#257 by @kannibalox

2. Use emplace instead of push for std::array objects.

   • rakshasa/libtorrent#279 by @neheb

Code Cleanup

1. rakshasa/libtorrent#263 by @kannibalox
2. rakshasa/libtorrent#262 by @kannibalox
3. rakshasa/libtorrent#273 by @kannibalox
4. rakshasa/libtorrent#274 by @kannibalox
5. rakshasa/libtorrent#277 by @kannibalox
6. rakshasa/libtorrent#277 by @neheb
7. rakshasa/libtorrent#282 by @rakshasa
8. rakshasa/libtorrent#281 by @neheb

rTorrent

Stability Improvements

1. Resolved scgi software crash with SIGPIPE exception.

   • #1310 by @stickz
   • #1329 by @stickz

2. Various build stability improvements.

   • #1317 by @PPN-SD

3. Change _sync* to std::atomic for cross platform compatibility.

   • #1324 by @kannibalox

4. Resolved a crash with the curl stack during shutdown.

   • #1338 by @rakshasa

5. Resolve Wclass-memaccess compile warning with std::memset.

   • #1344 by @rakshasa

6. Fixed d.group.name returning the wrong value.

   • #1326 by @trim21

7. Fixed compatibility checks for file types.

   • #1327 by @kannibalox and @rakshasa

Tinyxml2 to replace xmlrpc-c

• #1322 by @kannibalox and @rakshasa
• #1331 by @kannibalox
• #1348 by @kannibalox
• #1347 by @stickz

Please configure rTorrent with --with-xmlrpc-tinyxml2 to enable tinyxml2. It contains 2-3 times performance improvements for small responses and up to 30 times performance improvements for large responses. This is a significant reduction in overhead!

xmlrpc-c:

Benchmark               Time             CPU   Iterations
---------------------------------------------------------
small_response       3417 ns         3413 ns       204332
large_response   46159260 ns     46074301 ns           15

tinyxml2:

Benchmark               Time             CPU   Iterations
---------------------------------------------------------
small_response       1595 ns         1593 ns       462388
large_response    1512614 ns      1509299 ns          463

Code Cleanup

1. #1311 by @kannibalox
2. #1312 by @kannibalox
3. #1314 by @rakshasa
4. #1340 by @rakshasa
5. #1343 by @kannibalox
6. #1345 by @rakshasa