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* don't use pointers to resume_data and file_priorities in add_torrent_params
* allow moving files to absolute paths, out of the download directory
* make move_storage more generic to allow both overwriting files as well as taking existing ones
* fix choking issue at high upload rates
* optimized rate limiter
* make disk cache pool allocator configurable
* fix library ABI to not depend on logging being enabled
* use hex encoding instead of base32 in create_magnet_uri
* include name, save_path and torrent_file in torrent_status, for improved performance
* separate anonymous mode and force-proxy mode, and tighten it up a bit
* add per-tracker scrape information to announce_entry
* report errors in read_piece_alert
* DHT memory optimization
* improve DHT lookup speed
* improve support for windows XP and earlier
* introduce global connection priority for improved swarm performance
* make files deleted alert non-discardable
* make built-in sha functions not conflict with libcrypto
* improve web seed hash failure case
* improve DHT lookup times
* uTP path MTU discovery improvements
* optimized the torrent creator optimizer to scale significantly better with more files
* fix uTP edge case where udp socket buffer fills up
* fix nagle implementation in uTP
* improve time-critical pieces feature (streaming)
* introduce bandwidth exhaustion attack-mitigation in allowed-fast pieces
* python binding fix issue where torrent_info objects where destructing when their torrents were deleted
* added missing field to scrape_failed_alert in python bindings
* GCC 4.8 fix
* fix proxy failure semantics with regards to anonymous mode
* fix round-robin seed-unchoke algorithm
* add bootstrap.sh to generage configure script and run configure
* fix bug in SOCK5 UDP support
* fix issue where torrents added by URL would not be started immediately
0.16.10 release
* fix encryption level handle invalid values
* add a number of missing functions to the python binding
* fix typo in Jamfile for building shared libraries
* prevent tracker exchange for magnet links before metadata is received
* fix crash in make_magnet_uri when generating links longer than 1024 characters
* fix hanging issue when closing files on windows (completing a download)
* fix piece picking edge case that could cause torrents to get stuck at hash failure
* try unencrypted connections first, and fall back to encryption if it fails (performance improvement)
* add missing functions to python binding (flush_cache(), remap_files() and orig_files())
* improve handling of filenames that are invalid on windows
* support 'implied_port' in DHT announce_peer
* don't use pool allocator for disk blocks (cache may now return pages to the kernel)
0.16.9 release
* fix long filename truncation on windows
* distinguish file open mode when checking files and downloading/seeding with bittorrent. updates storage interface
* improve file_storage::map_file when dealing with invalid input
* improve handling of invalid utf-8 sequences in strings in torrent files
* handle more cases of broken .torrent files
* fix bug filename collision resolver
* fix bug in filename utf-8 verification
* make need_save_resume() a bit more robust
* fixed sparse flag manipulation on windows
* fixed streaming piece picking issue
0.16.8 release
* make rename_file create missing directories for new filename
* added missing python function: parse_magnet_uri
* fix alerts.all_categories in python binding
* fix torrent-abort issue which would cancel name lookups of other torrents
* make torrent file parser reject invalid path elements earlier
* fixed piece picker bug when using pad-files
* fix read-piece response for cancelled deadline-pieces
* fixed file priority vector-overrun
* fix potential packet allocation alignment issue in utp
* make 'close_redudnant_connections' cover more cases
* set_piece_deadline() also unfilters the piece (if its priority is 0)
* add work-around for bug in windows vista and earlier in GetOverlappedResult
* fix traversal algorithm leak in DHT
* fix string encoding conversions on windows
* take torrent_handle::query_pieces into account in torrent_handle::statue()
* honor trackers responding with 410
* fixed merkle tree torrent creation bug
* fixed crash with empty url-lists in torrent files
* added missing max_connections() function to python bindings
0.16.7 release
* fix string encoding in error messages
* handle error in read_piece and set_piece_deadline when torrent is removed
* DHT performance improvement
* attempt to handle ERROR_CANT_WAIT disk error on windows
* improve peers exchanged over PEX
* fixed rare crash in ut_metadata extension
* fixed files checking issue
* added missing pop_alerts() to python bindings
* fixed typos in configure script, inversing some feature-enable/disable flags
* added missing flag_update_subscribe to python bindings
* active_dht_limit, active_tracker_limit and active_lsd_limit now interpret -1 as infinite
0.16.6 release
* fixed verbose log error for NAT holepunching
* fix a bunch of typos in python bindings
* make get_settings available in the python binding regardless of deprecated functions
* fix typo in python settings binding
* fix possible dangling pointer use in peer list
* fix support for storing arbitrary data in the DHT
* fixed bug in uTP packet circle buffer
* fix potential crash when using torrent_handle::add_piece
* added missing add_torrent_alert to python binding
0.16.5 release
* udp socket refcounter fix
* added missing async_add_torrent to python bindings
* raised the limit for bottled http downloads to 2 MiB
* add support for magnet links and URLs in python example client
* fixed typo in python bindings' add_torrent_params
* introduce a way to add built-in plugins from python
* consistently disconnect the same peer when two peers simultaneously connect
* fix local endpoint queries for uTP connections
* small optimization to local peer discovery to ignore our own broadcasts
* try harder to bind the udp socket (uTP, DHT, UDP-trackers, LSD) to the same port as TCP
* relax file timestamp requirements for accepting resume data
* fix performance issue in web seed downloader (coalescing of blocks sometimes wouldn't work)
* web seed fixes (better support for torrents without trailing / in web seeds)
* fix some issues with SSL over uTP connections
* fix UDP trackers trying all endpoints behind the hostname
0.16.4 release
* raise the default number of torrents allowed to announce to trackers to 1600
* improve uTP slow start behavior
* fixed UDP socket error causing it to fail on Win7
* update use of boost.system to not use deprecated functions
* fix GIL issue in python bindings. Deprecated extension support in python
* fixed bug where setting upload slots to -1 would not mean infinite
* extend the UDP tracker protocol to include the request string from the tracker URL
* fix mingw build for linux crosscompiler
0.16.3 release
* fix python binding backwards compatibility in replace_trackers
* fix possible starvation in metadata extension
* fix crash when creating torrents and optimizing file order with pad files
* disable support for large MTUs in uTP until it is more reliable
* expose post_torrent_updates and state_update_alert to python bindings
* fix incorrect SSL error messages
* fix windows build of shared library with openssl
* fix race condition causing shutdown hang
0.16.2 release
* fix permissions issue on linux with noatime enabled for non-owned files
* use random peer IDs in anonymous mode
* fix move_storage bugs
* fix unnecessary dependency on boost.date_time when building boost.asio as separate compilation
* always use SO_REUSEADDR and deprecate the flag to turn it on
* add python bindings for SSL support
* minor uTP tweaks
* fix end-game mode issue when some files are selected to not be downloaded
* improve uTP slow start
* make uTP less aggressive resetting cwnd when idle
0.16.1 release
* fixed crash when providing corrupt resume data
* fixed support for boost-1.44
* fixed reversed semantics of queue_up() and queue_down()
* added missing functions to python bindings (file_priority(), set_dht_settings())
* fixed low_prio_disk support on linux
* fixed time critical piece accounting in the request queue
* fixed semantics of rate_limit_utp to also ignore per-torrent limits
* fixed piece sorting bug of deadline pieces
* fixed python binding build on Mac OS and BSD
* fixed UNC path normalization (on windows, unless UNC paths are disabled)
* fixed possible crash when enabling multiple connections per IP
* fixed typo in win vista specific code, breaking the build
* change default of rate_limit_utp to true
* fixed DLL export issue on windows (when building a shared library linking statically against boost)
* fixed FreeBSD build
* fixed web seed performance issue with pieces > 1 MiB
* fixed unchoke logic when using web seeds
* fixed compatibility with older versions of boost (down to boost 1.40)
0.16 release
* support torrents with more than 262000 pieces
* make tracker back-off configurable
* don't restart the swarm after downloading metadata from magnet links
* lower the default tracker retry intervals
* support banning web seeds sending corrupt data
* don't let hung outgoing connection attempts block incoming connections
* improve SSL torrent support by using SNI and a single SSL listen socket
* improved peer exchange performance by sharing incoming connections which advertize listen port
* deprecate set_ratio(), and per-peer rate limits
* add web seed support for torrents with pad files
* introduced a more scalable API for torrent status updates (post_torrent_updates()) and updated client_test to use it
* updated the API to add_torrent_params turning all bools into flags of a flags field
* added async_add_torrent() function to significantly improve performance when
adding many torrents
* change peer_states to be a bitmask (bw_limit, bw_network, bw_disk)
* changed semantics of send_buffer_watermark_factor to be specified as a percentage
* add incoming_connection_alert for logging all successful incoming connections
* feature to encrypt peer connections with a secret AES-256 key stored in .torrent file
* deprecated compact storage allocation
* close files in separate thread on systems where close() may block (Mac OS X for instance)
* don't create all directories up front when adding torrents
* support DHT scrape
* added support for fadvise/F_RDADVISE for improved disk read performance
* introduced pop_alerts() which pops the entire alert queue in a single call
* support saving metadata in resume file, enable it by default for magnet links
* support for receiving multi announce messages for local peer discovery
* added session::listen_no_system_port flag to prevent libtorrent from ever binding the listen socket to port 0
* added option to not recheck on missing or incomplete resume data
* extended stats logging with statistics=on builds
* added new session functions to more efficiently query torrent status
* added alerts for added and removed torrents
* expanded plugin interface to support session wide states
* made the metadata block requesting algorithm more robust against hash check failures
* support a separate option to use proxies for peers or not
* pausing the session now also pauses checking torrents
* moved alert queue size limit into session_settings
* added support for DHT rss feeds (storing only)
* added support for RSS feeds
* fixed up some edge cases in DHT routing table and improved unit test of it
* added error category and error codes for HTTP errors
* made the DHT implementation slightly more robust against routing table poisoning and node ID spoofing
* support chunked encoding in http downloads (http_connection)
* support adding torrents by url to the .torrent file
* support CDATA tags in xml parser
* use a python python dictionary for settings instead of session_settings object (in python bindings)
* optimized metadata transfer (magnet link) startup time (shaved off about 1 second)
* optimized swarm startup time (shaved off about 1 second)
* support DHT name lookup
* optimized memory usage of torrent_info and file_storage, forcing some API changes
around file_storage and file_entry
* support trackerid tracker extension
* graceful peer disconnect mode which finishes transactions before disconnecting peers
* support chunked encoding for web seeds
* uTP protocol support
* resistance towards certain flood attacks
* support chunked encoding for web seeds (only for BEP 19, web seeds)
* optimized session startup time
* support SSL for web seeds, through all proxies
* support extending web seeds with custom authorization and extra headers
* settings that are not changed from the default values are not saved
in the session state
* made seeding choking algorithm configurable
* deprecated setters for max connections, max half-open, upload and download
rates and unchoke slots. These are now set through session_settings
* added functions to query an individual peer's upload and download limit
* full support for BEP 21 (event=paused)
* added share-mode feature for improving share ratios
* merged all proxy settings into a single one
* improved SOCKS5 support by proxying hostname lookups
* improved support for multi-homed clients
* added feature to not count downloaded bytes from web seeds in stats
* added alert for incoming local service discovery messages
* added option to set file priorities when adding torrents
* removed the session mutex for improved performance
* added upload and download activity timer stats for torrents
* made the reuse-address flag configurable on the listen socket
* moved UDP trackers over to use a single socket
* added feature to make asserts log to a file instead of breaking the process
(production asserts)
* optimized disk I/O cache clearing
* added feature to ask a torrent if it needs to save its resume data or not
* added setting to ignore file modification time when loading resume files
* support more fine-grained torrent states between which peer sources it
announces to
* supports calculating sha1 file-hashes when creating torrents
* made the send_buffer_watermark performance warning more meaningful
* supports complete_ago extension
* dropped zlib as a dependency and builds using puff.c instead
* made the default cache size depend on available physical RAM
* added flags to torrent::status() that can filter which values are calculated
* support 'explicit read cache' which keeps a specific set of pieces
in the read cache, without implicitly caching other pieces
* support sending suggest messages based on what's in the read cache
* clear sparse flag on files that complete on windows
* support retry-after header for web seeds
* replaced boost.filesystem with custom functions
* replaced dependency on boost.thread by asio's internal thread primitives
* added support for i2p torrents
* cleaned up usage of MAX_PATH and related macros
* made it possible to build libtorrent without RTTI support
* added support to build with libgcrypt and a shipped version of libtommath
* optimized DHT routing table memory usage
* optimized disk cache to work with large caches
* support variable number of optimistic unchoke slots and to dynamically
adjust based on the total number of unchoke slots
* support for BitTyrant choker algorithm
* support for automatically start torrents when they receive an
incoming connection
* added more detailed instrumentation of the disk I/O thread
0.15.11 release
* fixed web seed bug, sometimes causing infinite loops
* fixed race condition when setting session_settings immediately after creating session
* give up immediately when failing to open a listen socket (report the actual error)
* restored ABI compatibility with 0.15.9
* added missing python bindings for create_torrent and torrent_info
0.15.10 release
* fix 'parameter incorrect' issue when using unbuffered IO on windows
* fixed UDP socket error handling on windows
* fixed peer_tos (type of service) setting
* fixed crash when loading resume file with more files than the torrent in it
* fix invalid-parameter error on windows when disabling filesystem disk cache
* fix connection queue issue causing shutdown delays
* fixed mingw build
* fix overflow bug in progress_ppm field
* don't filter local peers received from a non-local tracker
* fix python deadlock when using python extensions
* fixed small memory leak in DHT
0.15.9 release
* added some functions missing from the python binding
* fixed rare piece picker bug
* fixed invalid torrent_status::finished_time
* fixed bugs in dont-have and upload-only extension messages
* don't open files in random-access mode (speeds up hashing)
0.15.8 release
* allow NULL to be passed to create_torrent::set_comment and create_torrent::set_creator
* fix UPnP issue for routers with multiple PPPoE connections
* fix issue where event=stopped announces wouldn't be sent when closing session
* fix possible hang in file::readv() on windows
* fix CPU busy loop issue in tracker announce logic
* honor IOV_MAX when using writev and readv
* don't post 'operation aborted' UDP errors when changing listen port
* fix tracker retry logic, where in some configurations the next tier would not be tried
* fixed bug in http seeding logic (introduced in 0.15.7)
* add support for dont-have extension message
* fix for set_piece_deadline
* add reset_piece_deadline function
* fix merkle tree torrent assert
0.15.7 release
* exposed set_peer_id to python binding
* improve support for merkle tree torrent creation
* exposed comparison operators on torrent_handle to python
* exposed alert error_codes to python
* fixed bug in announce_entry::next_announce_in and min_announce_in
* fixed sign issue in set_alert_mask signature
* fixed unaligned disk access for unbuffered I/O in windows
* support torrents whose name is empty
* fixed connection limit to take web seeds into account as well
* fixed bug when receiving a have message before having the metadata
* fixed python bindings build with disabled DHT support
* fixed BSD file allocation issue
* fixed bug in session::delete_files option to remove_torrent
0.15.6 release
* fixed crash in udp trackers when using SOCKS5 proxy
* fixed reconnect delay when leaving upload only mode
* fixed default values being set incorrectly in add_torrent_params through add_magnet_uri in python bindings
* implemented unaligned write (for unbuffered I/O)
* fixed broadcast_lsd option
* fixed udp-socket race condition when using a proxy
* end-game mode optimizations
* fixed bug in udp_socket causing it to issue two simultaneous async. read operations
* fixed mingw build
* fixed minor bug in metadata block requester (for magnet links)
* fixed race condition in iconv string converter
* fixed error handling in torrent_info constructor
* fixed bug in torrent_info::remap_files
* fix python binding for wait_for_alert
* only apply privileged port filter to DHT-only peers
0.15.5 release
* support DHT extension to report external IPs
* fixed rare crash in http_connection's error handling
* avoid connecting to peers listening on ports < 1024
* optimized piece picking to not cause busy loops in some end-game modes
* fixed python bindings for tcp::endpoint
* fixed edge case of pad file support
* limit number of torrents tracked by DHT
* fixed bug when allow_multiple_connections_per_ip was enabled
* potential WOW64 fix for unbuffered I/O (windows)
* expose set_alert_queue_size_limit to python binding
* support dht nodes in magnet links
* support 100 Continue HTTP responses
* changed default choker behavior to use 8 unchoke slots (instead of being rate based)
* fixed error reporting issue in disk I/O thread
* fixed file allocation issues on linux
* fixed filename encoding and decoding issue on platforms using iconv
* reports redundant downloads to tracker, fixed downloaded calculation to
be more stable when not including redundant. Improved redundant data accounting
to be more accurate
* fixed bugs in http seed connection and added unit test for it
* fixed error reporting when fallocate fails
* deprecate support for separate proxies for separate kinds of connections
0.15.4 release
* fixed piece picker issue triggered by hash failure and timed out requests to the piece
* fixed optimistic unchoke issue when setting per torrent unchoke limits
* fixed UPnP shutdown issue
* fixed UPnP DeletePortmapping issue
* fixed NAT-PMP issue when adding the same mapping multiple times
* no peers from tracker when stopping is no longer an error
* improved web seed retry behavior
* fixed announce issue
0.15.3 release
* fixed announce bug where event=completed would not be sent if it violated the
min-announce of the tracker
* fixed limitation in rate limiter
* fixed build error with boost 1.44
0.15.2 release
* updated compiler to msvc 2008 for python binding
* restored default fail_limit to unlimited on all trackers
* fixed rate limit bug for DHT
* fixed SOCKS5 bug for routing UDP packets
* fixed bug on windows when verifying resume data for a torrent where
one of its directories had been removed
* fixed race condition in peer-list with DHT
* fix force-reannounce and tracker retry issue
0.15.1 release
* fixed rare crash when purging the peer list
* fixed race condition around m_abort in session_impl
* fixed bug in web_peer_connection which could cause a hang when downloading
from web servers
* fixed bug in metadata extensions combined with encryption
* refactored socket reading code to not use async. operations unnecessarily
* some timer optimizations
* removed the reuse-address flag on the listen socket
* fixed bug where local peer discovery and DHT wouldn't be announced to without trackers
* fixed bug in bdecoder when decoding invalid messages
* added build warning when building with UNICODE but the standard library
doesn't provide std::wstring
* fixed add_node python binding
* fixed issue where trackers wouldn't tried immediately when the previous one failed
* fixed synchronization issue between download queue and piece picker
* fixed bug in udp tracker scrape response parsing
* fixed bug in the disk thread that could get triggered under heavy load
* fixed bug in add_piece() that would trigger asserts
* fixed vs 2010 build
* recognizes more clients in identify_client()
* fixed bug where trackers wouldn't be retried if they failed
* slight performance fix in disk elevator algorithm
* fixed potential issue where a piece could be checked twice
* fixed build issue on windows related to GetCompressedSize()
* fixed deadlock when starting torrents with certain invalid tracker URLs
* fixed iterator bug in disk I/O thread
* fixed FIEMAP support on linux
* fixed strict aliasing warning on gcc
* fixed inconsistency when creating torrents with symlinks
* properly detect windows version to initialize half-open connection limit
* fixed bug in url encoder where $ would not be encoded
0.15 release
* introduced a session state save mechanism. load_state() and save_state().
this saves all session settings and state (except torrents)
* deprecated dht_state functions and merged it with the session state
* added support for multiple trackers in magnet links
* added support for explicitly flushing the disk cache
* added torrent priority to affect bandwidth allocation for its peers
* reduced the number of floating point operations (to better support
systems without FPU)
* added new alert when individual files complete
* added support for storing symbolic links in .torrent files
* added support for uTorrent interpretation of multi-tracker torrents
* handle torrents with duplicate filenames
* piece timeouts are adjusted to download rate limits
* encodes urls in torrent files that needs to be encoded
* fixed not passing &supportcrypto=1 when encryption is disabled
* introduced an upload mode, which torrents are switched into when
it hits a disk write error, instead of stopping the torrent.
this lets libtorrent keep uploading the parts it has when it
encounters a disk-full error for instance
* improved disk error handling and expanded use of error_code in
error reporting. added a bandwidth state, bw_disk, when waiting
for the disk io thread to catch up writing buffers
* improved read cache memory efficiency
* added another cache flush algorithm to write the largest
contiguous blocks instead of the least recently used
* introduced a mechanism to be lighter on the disk when checking torrents
* applied temporary memory storage optimization to when checking
a torrent as well
* removed hash_for_slot() from storage_interface. It is now implemented
by using the readv() function from the storage implementation
* improved IPv6 support by announcing twice when necessary
* added feature to set a separate global rate limit for local peers
* added preset settings for low memory environments and seed machines
min_memory_usage() and high_performance_seeder()
* optimized overall memory usage for DHT nodes and requests, peer
entries and disk buffers
* change in API for block_info in partial_piece_info, instead of
accessing 'peer', call 'peer()'
* added support for fully automatic unchoker (no need to specify
number of upload slots). This is on by default
* added support for changing socket buffer sizes through
session_settings
* added support for merkle hash tree torrents (.merkle.torrent)
* added 'seed mode', which assumes that all files are complete
and checks hashes lazily, as blocks are requested
* added new extension for file attributes (executable and hidden)
* added support for unbuffered I/O for aligned files
* added workaround for sparse file issue on Windows Vista
* added new lt_trackers extension to exchange trackers between
peers
* added support for BEP 17 http seeds
* added read_piece() to read pieces from torrent storage
* added option for udp tracker preference
* added super seeding
* added add_piece() function to inject data from external sources
* add_tracker() function added to torrent_handle
* if there is no working tracker, current_tracker is the
tracker that is currently being tried
* torrents that are checking can now be paused, which will
pause the checking
* introduced another torrent state, checking_resume_data, which
the torrent is in when it's first added, and is comparing
the files on disk with the resume data
* DHT bandwidth usage optimizations
* rate limited DHT send socket
* tracker connections are now also subject to IP filtering
* improved optimistic unchoke logic
* added monitoring of the DHT lookups
* added bandwidth reports for estimated TCP/IP overhead and DHT
* includes DHT traffic in the rate limiter
* added support for bitcomet padding files
* improved support for sparse files on windows
* added ability to give seeding torrents preference to active slots
* added torrent_status::finished_time
* automatically caps files and connections by default to rlimit
* added session::is_dht_running() function
* added torrent_handle::force_dht_announce()
* added torrent_info::remap_files()
* support min_interval tracker extension
* added session saving and loading functions
* added support for min-interval in tracker responses
* only keeps one outstanding duplicate request per peer
reduces waste download, specifically when streaming
* added support for storing per-peer rate limits across reconnects
* improved fallocate support
* fixed magnet link issue when using resume data
* support disk I/O priority settings
* added info_hash to torrent_deleted_alert
* improved LSD performance and made the interval configurable
* improved UDP tracker support by caching connect tokens
* fast piece optimization
release 0.14.10
* fixed udp tracker race condition
* added support for torrents with odd piece sizes
* fixed issue with disk read cache not being cleared when removing torrents
* made the DHT socket bind to the same interface as the session
* fixed issue where an http proxy would not be used on redirects
* Solaris build fixes
* disabled buggy disconnect_peers feature
release 0.14.9
* disabled feature to drop requests after having been skipped too many times
* fixed range request bug for files larger than 2 GB in web seeds
* don't crash when trying to create torrents with 0 files
* fixed big_number __init__ in python bindings
* fixed optimistic unchoke timer
* fixed bug where torrents with incorrectly formatted web seed URLs would be
connected multiple times
* fixed MinGW support
* fixed DHT bootstrapping issue
* fixed UDP over SOCKS5 issue
* added support for "corrupt" tracker announce
* made end-game mode less aggressive
release 0.14.8
* ignore unkown metadata messages
* fixed typo that would sometimes prevent queued torrents to be checked
* fixed bug in auto-manager where active_downloads and active_seeds would
sometimes be used incorrectly
* force_recheck() no longer crashes on torrents with no metadata
* fixed broadcast socket regression from 0.14.7
* fixed hang in NATPMP when shut down while waiting for a response
* fixed some more error handling in bdecode
release 0.14.7
* fixed deadlock in natpmp
* resume data alerts are always posted, regardless of alert mask
* added wait_for_alert to python binding
* improved invalid filename character replacement
* improved forward compatibility in DHT
* added set_piece_hashes that takes a callback to the python binding
* fixed division by zero in get_peer_info()
* fixed bug where pieces may have been requested before the metadata
was received
* fixed incorrect error when deleting files from a torrent where
not all files have been created
* announces torrents immediately to the DHT when it's started
* fixed bug in add_files that would fail to recurse if the path
ended with a /
* fixed bug in error handling when parsing torrent files
* fixed file checking bug when renaming a file before checking the torrent
* fixed race conditon when receiving metadata from swarm
* fixed assert in ut_metadata plugin
* back-ported some fixes for building with no exceptions
* fixed create_torrent when passing in a path ending with /
* fixed move_storage when source doesn't exist
* fixed DHT state save bug for node-id
* fixed typo in python binding session_status struct
* broadcast sockets now join every network interface (used for UPnP and
local peer discovery)
release 0.14.6
* various missing include fixes to be buildable with boost 1.40
* added missing functions to python binding related to torrent creation
* fixed to add filename on web seed urls that lack it
* fixed BOOST_ASIO_HASH_MAP_BUCKETS define for boost 1.39
* fixed checking of fast and suggest messages when used with magnet links
* fixed bug where web seeds would not disconnect if being resolved when
the torrent was paused
* fixed download piece performance bug in piece picker
* fixed bug in connect candidate counter
* replaces invalid filename characters with .
* added --with-libgeoip option to configure script to allow building and
linking against system wide library
* fixed potential pure virtual function call in extensions on shutdown
* fixed disk buffer leak in smart_ban extension
release 0.14.5
* fixed bug when handling malformed webseed urls and an http proxy
* fixed bug when setting unlimited upload or download rates for torrents
* fix to make torrent_status::list_peers more accurate.
* fixed memory leak in disk io thread when not using the cache
* fixed bug in connect candidate counter
* allow 0 upload slots
* fixed bug in rename_file(). The new name would not always be saved in
the resume data
* fixed resume data compatibility with 0.13
* fixed rare piece-picker bug
* fixed bug where one allowed-fast message would be sent even when
disabled
* fixed race condition in UPnP which could lead to crash
* fixed inversed seed_time ratio logic
* added get_ip_filter() to session
release 0.14.4
* connect candidate calculation fix
* tightened up disk cache memory usage
* fixed magnet link parser to accept hex-encoded info-hashes
* fixed inverted logic when picking which peers to connect to
(should mean a slight performance improvement)
* fixed a bug where a failed rename_file() would leave the storage
in an error state which would pause the torrent
* fixed case when move_storage() would fail. Added a new alert
to be posted when it does
* fixed crash bug when shutting down while checking a torrent
* fixed handling of web seed urls that didn't end with a
slash for multi-file torrents
* lowered the default connection speed to 10 connection attempts
per second
* optimized memory usage when checking files fails
* fixed bug when checking a torrent twice
* improved handling of out-of-memory conditions in disk I/O thread
* fixed bug when force-checking a torrent with partial pieces
* fixed memory leak in disk cache
* fixed torrent file path vulnerability
* fixed upnp
* fixed bug when dealing with clients that drop requests (i.e. BitComet)
fixes assert as well
release 0.14.3
* added python binding for create_torrent
* fixed boost-1.38 build
* fixed bug where web seeds would be connected before the files
were checked
* fixed filename bug when using wide characters
* fixed rare crash in peer banning code
* fixed potential HTTP compatibility issue
* fixed UPnP crash
* fixed UPnP issue where the control url contained the base url
* fixed a replace_trackers bug
* fixed bug where the DHT port mapping would not be removed when
changing DHT port
* fixed move_storage bug when files were renamed to be moved out
of the root directory
* added error handling for set_piece_hashes
* fixed missing include in enum_if.cpp
* fixed dual IP stack issue
* fixed issue where renamed files were sometimes not saved in resume data
* accepts tracker responses with no 'peers' field, as long as 'peers6'
is present
* fixed CIDR-distance calculation in the precense of IPv6 peers
* save partial resume data for torrents that are queued for checking
or checking, to maintain stats and renamed files
* Don't try IPv6 on windows if it's not installed
* move_storage fix
* fixed potential crash on shutdown
* fixed leaking exception from bdecode on malformed input
* fixed bug where connection would hang when receiving a keepalive
* fixed bug where an asio exception could be thrown when resolving
peer countries
* fixed crash when shutting down while checking a torrent
* fixed potential crash in connection_queue when a peer_connection
fail to open its socket
release 0.14.2
* added missing functions to the python bindings torrent_info::map_file,
torrent_info::map_block and torrent_info::file_at_offset.
* removed support for boost-1.33 and earlier (probably didn't work)
* fixed potential freezes issues at shutdown
* improved error message for python setup script
* fixed bug when torrent file included announce-list, but no valid
tracker urls
* fixed bug where the files requested from web seeds would be the
renamed file names instead of the original file names in the torrent.
* documentation fix of queing section
* fixed potential issue in udp_socket (affected udp tracker support)
* made name, comment and created by also be subject to utf-8 error
correction (filenames already were)
* fixed dead-lock when settings DHT proxy
* added missing export directives to lazy_entry
* fixed disk cache expiry settings bug (if changed, it would be set
to the cache size)
* fixed bug in http_connection when binding to a particular IP
* fixed typo in python binding (torrent_handle::piece_prioritize should
be torrent_handle::piece_priorities)
* fixed race condition when saving DHT state
* fixed bugs related to lexical_cast being locale dependent
* added support for SunPro C++ compiler
* fixed bug where messeges sometimes could be encrypted in the
wrong order, for encrypted connections.
* fixed race condition where torrents could get stuck waiting to
get checked
* fixed mapped files bug where it wouldn't be properly restored
from resume data properly
* removed locale dependency in xml parser (caused asserts on windows)
* fixed bug when talking to https 1.0 servers
* fixed UPnP bug that could cause stack overflow
release 0.14.1
* added converter for python unicode strings to utf-8 paths
* fixed bug in http downloader where the host field did not
include the port number
* fixed headers to not depend on NDEBUG, which would prohibit
linking a release build of libtorrent against a debug application
* fixed bug in disk I/O thread that would make the thread
sometimes quit when an error occurred
* fixed DHT bug
* fixed potential shutdown crash in disk_io_thread
* fixed usage of deprecated boost.filsystem functions
* fixed http_connection unit test
* fixed bug in DHT when a DHT state was loaded
* made rate limiter change in 0.14 optional (to take estimated
TCP/IP overhead into account)
* made the python plugin buildable through the makefile
* fixed UPnP bug when url base ended with a slash and
path started with a slash
* fixed various potentially leaking exceptions
* fixed problem with removing torrents that are checking
* fixed documentation bug regarding save_resume_data()
* added missing documentation on torrent creation
* fixed bugs in python client examples
* fixed missing dependency in package-config file
* fixed shared geoip linking in Jamfile
* fixed python bindings build on windows and made it possible
to generate a windows installer
* fixed bug in NAT-PMP implementation
release 0.14
* deprecated add_torrent() in favor of a new add_torrent()
that takes a struct with parameters instead. Torrents
are paused and auto managed by default.
* removed 'connecting_to_tracker' torrent state. This changes
the enum values for the other states.
* Improved seeding and choking behavior.
* Fixed rare buffer overrun bug when calling get_download_queue
* Fixed rare bug where torrent could be put back into downloading
state even though it was finished, after checking files.
* Fixed rename_file to work before the file on disk has been
created.
* Fixed bug in tracker connections in case of errors caused
in the connection constructor.
* Updated alert system to be filtered by category instead of
severity level. Alerts can generate a message through
alert::message().
* Session constructor will now start dht, upnp, natpmp, lsd by
default. Flags can be passed in to the constructor to not
do this, if these features are to be enabled and disabled
at a later point.
* Removed 'connecting_to_tracker' torrent state
* Fix bug where FAST pieces were cancelled on choke
* Fixed problems with restoring piece states when hash failed.
* Minimum peer reconnect time fix. Peers with no failures would
reconnect immediately.
* Improved web seed error handling
* DHT announce fixes and off-by-one loop fix
* Fixed UPnP xml parse bug where it would ignore the port number
for the control url.
* Fixed bug in torrent writer where the private flag was added
outside of the info dictionary
* Made the torrent file parser less strict of what goes in the
announce-list entry
* Fixed type overflow bug where some statistics was incorrectly
reported for file larger than 2 GB
* boost-1.35 support
* Fixed bug in statistics from web server peers where it sometimes
could report too many bytes downloaded.
* Fixed bug where statistics from the last second was lost when
disconnecting a peer.
* receive buffer optimizations (memcpy savings and memory savings)
* Support for specifying the TOS byte for peer traffic.
* Basic support for queueing of torrents.
* Better bias to give connections to downloading torrents
with fewer peers.
* Optimized resource usage (removed the checking thread)
* Support to bind outgoing connections to specific ports
* Disk cache support.
* New, more memory efficient, piece picker with sequential download
support (instead of the more complicated sequential download threshold).
* Auto Upload slots. Automtically opens up more slots if
upload limit is not met.
* Improved NAT-PMP support by querying the default gateway
* Improved UPnP support by ignoring routers not on the clients subnet.
release 0.13
* Added scrape support
* Added add_extension() to torrent_handle. Can instantiate
extensions for torrents while downloading
* Added support for remove_torrent to delete the files as well
* Fixed issue with failing async_accept on windows
* DHT improvements, proper error messages are now returned when
nodes sends bad packets
* Optimized the country table used to resolve country of peers
* Copying optimization for sending data. Data is no longer copied from
the disk I/O buffer to the send buffer.
* Buffer optimization to use a raw buffer instead of std::vector<char>
* Improved file storage to use sparse files
* Updated python bindings
* Added more clients to the identifiable clients list.
* Torrents can now be started in paused state (to better support queuing)
* Improved IPv6 support (support for IPv6 extension to trackers and
listens on both IPv6 and IPv4 interfaces).
* Improved asserts used. Generates a stacktrace on linux
* Piece picker optimizations and improvements
* Improved unchoker, connection limit and rate limiter
* Support for FAST extension
* Fixed invalid calculation in DHT node distance
* Fixed bug in URL parser that failed to parse IPv6 addresses
* added peer download rate approximation
* added port filter for outgoing connection (to prevent
triggering firewalls)
* made most parameters configurable via session_settings
* added encryption support
* added parole mode for peers whose data fails the hash check.
* optimized heap usage in piece-picker and web seed downloader.
* fixed bug in DHT where older write tokens weren't accepted.
* added support for sparse files.
* introduced speed categories for peers and pieces, to separate
slow and fast peers.
* added a half-open tcp connection limit that takes all connections
in to account, not just peer connections.
* added alerts for filtered IPs.
* added support for SOCKS4 and 5 proxies and HTTP CONNECT proxies.
* fixed proper distributed copies calculation.
* added option to use openssl for sha-1 calculations.
* optimized the piece picker in the case where a peer is a seed.
* added support for local peer discovery
* removed the dependency on the compiled boost.date_time library
* deprecated torrent_info::print()
* added UPnP support
* fixed problem where peer interested flags were not updated correctly
when pieces were filtered
* improvements to ut_pex messages, including support for seed flag
* prioritizes upload bandwidth to peers that might send back data
* the following functions have been deprecated:
void torrent_handle::filter_piece(int index, bool filter) const;
void torrent_handle::filter_pieces(std::vector<bool> const& pieces) const;
bool torrent_handle::is_piece_filtered(int index) const;
std::vector<bool> torrent_handle::filtered_pieces() const;
void torrent_handle::filter_files(std::vector<bool> const& files) const;
instead, use the piece_priority functions.
* added support for NAT-PMP
* added support for piece priorities. Piece filtering is now set as
a priority
* Fixed crash when last piece was smaller than one block and reading
fastresume data for that piece
* Makefiles should do a better job detecting boost
* Fixed crash when all tracker urls are removed
* Log files can now be created at user supplied path
* Log files failing to create is no longer fatal
* Fixed dead-lock in torrent_handle
* Made it build with boost 1.34 on windows
* Fixed bug in URL parser that failed to parse IPv6 addresses
* Fixed bug in DHT, related to IPv6 nodes
* DHT accepts transaction IDs that have garbage appended to them
* DHT logs messages that it fails to decode
release 0.12
* fixes to make the DHT more compatible
* http seed improvements including error reporting and url encoding issues.
* fixed bug where directories would be left behind when moving storage
in some cases.
* fixed crashing bug when restarting or stopping the DHT.
* added python binding, using boost.python
* improved character conversion on windows when strings are not utf-8.
* metadata extension now respects the private flag in the torrent.
* made the DHT to only be used as a fallback to trackers by default.
* added support for HTTP redirection support for web seeds.
* fixed race condition when accessing a torrent that was checking its
fast resume data.
* fixed a bug in the DHT which could be triggered if the network was
dropped or extremely rare cases.
* if the download rate is limited, web seeds will now only use left-over
bandwidth after all bt peers have used up as much bandwidth as they can.
* added the possibility to have libtorrent resolve the countries of
the peers in torrents.
* improved the bandwidth limiter (it now implements a leaky bucket/node bucket).
* improved the HTTP seed downloader to report accurate progress.
* added more client peer-id signatures to be recognized.
* added support for HTTP servers that skip the CR before the NL at line breaks.
* fixed bug in the HTTP code that only accepted headers case sensitive.
* fixed bug where one of the session constructors didn't initialize boost.filesystem.
* fixed bug when the initial checking of a torrent fails with an exception.
* fixed bug in DHT code which would send incorrect announce messages.
* fixed bug where the http header parser was case sensitive to the header
names.
* Implemented an optmization which frees the piece_picker once a torrent
turns into a seed.
* Added support for uT peer exchange extension, implemented by Massaroddel.
* Modified the quota management to offer better bandwidth balancing
between peers.
* logging now supports multiple sessions (different sessions now log
to different directories).
* fixed random number generator seed problem, generating the same
peer-id for sessions constructed the same second.
* added an option to accept multiple connections from the same IP.
* improved tracker logging.
* moved the file_pool into session. The number of open files is now
limited per session.
* fixed uninitialized private flag in torrent_info
* fixed long standing issue with file.cpp on windows. Replaced the low level
io functions used on windows.
* made it possible to associate a name with torrents without metadata.
* improved http-downloading performance by requesting entire pieces via
http.
* added plugin interface for extensions. And changed the interface for
enabling extensions.
release 0.11
* added support for incorrectly encoded paths in torrent files
(assumes Latin-1 encoding and converts to UTF-8).
* added support for destructing session objects asynchronously.
* fixed bug with file_progress() with files = 0 bytes
* fixed a race condition bug in udp_tracker_connection that could
cause a crash.
* fixed bug occuring when increasing the sequenced download threshold
with max availability lower than previous threshold.
* fixed an integer overflow bug occuring when built with gcc 4.1.x
* fixed crasing bug when closing while checking a torrent
* fixed bug causing a crash with a torrent with piece length 0
* added an extension to the DHT network protocol to support the
exchange of nodes with IPv6 addresses.
* modified the ip_filter api slightly to support IPv6
* modified the api slightly to make sequenced download threshold
a per torrent-setting.
* changed the address type to support IPv6
* fixed bug in piece picker which would not behave as
expected with regard to sequenced download threshold.
* fixed bug with file_progress() with files > 2 GB.
* added --enable-examples option to configure script.
* fixed problem with the resource distribution algorithm
(controlling e.g upload/download rates).
* fixed incorrect asserts in storage related to torrents with
zero-sized files.
* added support for trackerless torrents (with kademlia DHT).
* support for torrents with the private flag set.
* support for torrents containing bootstrap nodes for the
DHT network.
* fixed problem with the configure script on FreeBSD.
* limits the pipelining used on url-seeds.
* fixed problem where the shutdown always would delay for
session_settings::stop_tracker_timeout seconds.
* session::listen_on() won't reopen the socket in case the port and
interface is the same as the one currently in use.
* added http proxy support for web seeds.
* fixed problem where upload and download stats could become incorrect
in case of high cpu load.
* added more clients to the identifiable list.
* fixed fingerprint parser to cope with latest Mainline versions.
release 0.10
* fixed a bug where the requested number of peers in a tracker request could
be too big.
* fixed a bug where empty files were not created in full allocation mode.
* fixed a bug in storage that would, in rare cases, fail to do a
complete check.
* exposed more settings for tweaking parameters in the piece-picker,
downloader and uploader (http_settings replaced by session_settings).
* tweaked default settings to improve high bandwidth transfers.
* improved the piece picker performance and made it possible to download
popular pieces in sequence to improve disk performance.
* added the possibility to control upload and download limits per peer.
* fixed problem with re-requesting skipped pieces when peer was sending pieces
out of fifo-order.
* added support for http seeding (the GetRight protocol)
* renamed identifiers called 'id' in the public interface to support linking
with Objective.C++
* changed the extensions protocol to use the new one, which is also
implemented by uTorrent.
* factorized the peer_connection and added web_peer_connection which is
able to download from http-sources.
* converted the network code to use asio (resulted in slight api changes
dealing with network addresses).
* made libtorrent build in vc7 (patches from Allen Zhao)
* fixed bug caused when binding outgoing connections to a non-local interface.
* add_torrent() will now throw if called while the session object is
being closed.
* added the ability to limit the number of simultaneous half-open
TCP connections. Flags in peer_info has been added.
release 0.9.1
* made the session disable file name checks within the boost.filsystem library
* fixed race condition in the sockets
* strings that are invalid utf-8 strings are now decoded with the
local codepage on windows
* added the ability to build libtorrent both as a shared library
* client_test can now monitor a directory for torrent files and automatically
start and stop downloads while running
* fixed problem with file_size() when building on windows with unicode support
* added a new torrent state, allocating
* added a new alert, metadata_failed_alert
* changed the interface to session::add_torrent for some speed optimizations.
* greatly improved the command line control of the example client_test.
* fixed bug where upload rate limit was not being applied.
* files that are being checked will no longer stall files that don't need
checking.
* changed the way libtorrent identifies support for its excentions
to look for 'ext' at the end of the peer-id.
* improved performance by adding a circle buffer for the send buffer.
* fixed bugs in the http tracker connection when using an http proxy.
* fixed problem with storage's file pool when creating torrents and then
starting to seed them.
* hard limit on remote request queue and timeout on requests (a timeout
triggers rerequests). This makes libtorrent work much better with
"broken" clients like BitComet which may ignore requests.
Initial release 0.9
* multitracker support
* serves multiple torrents on a single port and a single thread
* supports http proxies and proxy authentication
* gzipped tracker-responses
* block level piece picker
* queues torrents for file check, instead of checking all of them in parallel
* uses separate threads for checking files and for main downloader
* upload and download rate limits
* piece-wise, unordered, incremental file allocation
* fast resume support
* supports files > 2 gigabytes
* supports the no_peer_id=1 extension
* support for udp-tracker protocol
* number of connections limit
* delays sending have messages
* can resume pieces downloaded in any order
* adjusts the length of the request queue depending on download rate
* supports compact=1
* selective downloading
* ip filter
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