1916 lines
59 KiB
C++
1916 lines
59 KiB
C++
/*
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Copyright (c) 2003-2013, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_ALERT_TYPES_HPP_INCLUDED
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#define TORRENT_ALERT_TYPES_HPP_INCLUDED
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#include "libtorrent/alert.hpp"
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#include "libtorrent/torrent_handle.hpp"
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#include "libtorrent/socket.hpp"
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#include "libtorrent/config.hpp"
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#include "libtorrent/assert.hpp"
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#include "libtorrent/identify_client.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/stat.hpp"
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#include "libtorrent/rss.hpp" // for feed_handle
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// lines reserved for future includes
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// the type-ids of the alert types
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// are derived from the line on which
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// they are declared
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namespace libtorrent
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{
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// user defined alerts should use IDs greater than this
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const static int user_alert_id = 10000;
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// This is a base class for alerts that are associated with a
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// specific torrent. It contains a handle to the torrent.
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struct TORRENT_EXPORT torrent_alert: alert
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{
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// internal
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torrent_alert(torrent_handle const& h)
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: handle(h)
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{}
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// internal
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const static int alert_type = 1;
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virtual std::string message() const;
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// The torrent_handle pointing to the torrent this
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// alert is associated with.
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torrent_handle handle;
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};
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// The peer alert is a base class for alerts that refer to a specific peer. It includes all
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// the information to identify the peer. i.e. ``ip`` and ``peer-id``.
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struct TORRENT_EXPORT peer_alert: torrent_alert
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{
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// internal
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peer_alert(torrent_handle const& h, tcp::endpoint const& i
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, peer_id const& pi)
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: torrent_alert(h)
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, ip(i)
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, pid(pi)
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{}
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const static int alert_type = 2;
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const static int static_category = alert::peer_notification;
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virtual int category() const { return static_category; }
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virtual std::string message() const;
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// The peer's IP address and port.
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tcp::endpoint ip;
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// the peer ID, if known.
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peer_id pid;
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};
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// This is a base class used for alerts that are associated with a
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// specific tracker. It derives from torrent_alert since a tracker
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// is also associated with a specific torrent.
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struct TORRENT_EXPORT tracker_alert: torrent_alert
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{
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// internal
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tracker_alert(torrent_handle const& h
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, std::string const& u)
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: torrent_alert(h)
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, url(u)
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{}
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const static int alert_type = 3;
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const static int static_category = alert::tracker_notification;
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virtual int category() const { return static_category; }
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virtual std::string message() const;
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// The tracker URL
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std::string url;
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};
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#define TORRENT_DEFINE_ALERT(name) \
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const static int alert_type = __LINE__; \
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virtual int type() const { return alert_type; } \
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virtual std::auto_ptr<alert> clone() const \
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{ return std::auto_ptr<alert>(new name(*this)); } \
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virtual int category() const { return static_category; } \
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virtual char const* what() const { return #name; }
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// The ``torrent_added_alert`` is posted once every time a torrent is successfully
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// added. It doesn't contain any members of its own, but inherits the torrent handle
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// from its base class.
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// It's posted when the ``status_notification`` bit is set in the alert_mask.
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struct TORRENT_EXPORT torrent_added_alert: torrent_alert
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{
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// internal
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torrent_added_alert(torrent_handle const& h)
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: torrent_alert(h)
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{}
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TORRENT_DEFINE_ALERT(torrent_added_alert);
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const static int static_category = alert::status_notification;
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virtual std::string message() const;
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};
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// The ``torrent_removed_alert`` is posted whenever a torrent is removed. Since
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// the torrent handle in its baseclass will always be invalid (since the torrent
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// is already removed) it has the info hash as a member, to identify it.
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// It's posted when the ``status_notification`` bit is set in the alert_mask.
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//
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// Even though the ``handle`` member doesn't point to an existing torrent anymore,
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// it is still useful for comparing to other handles, which may also no
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// longer point to existing torrents, but to the same non-existing torrents.
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//
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// The ``torrent_handle`` acts as a ``weak_ptr``, even though its object no
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// longer exists, it can still compare equal to another weak pointer which
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// points to the same non-existent object.
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struct TORRENT_EXPORT torrent_removed_alert: torrent_alert
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{
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// internal
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torrent_removed_alert(torrent_handle const& h, sha1_hash const& ih)
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: torrent_alert(h)
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, info_hash(ih)
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{}
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TORRENT_DEFINE_ALERT(torrent_removed_alert);
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const static int static_category = alert::status_notification;
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virtual std::string message() const;
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sha1_hash info_hash;
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};
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// This alert is posted when the asynchronous read operation initiated by
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// a call to torrent_handle::read_piece() is completed. If the read failed, the torrent
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// is paused and an error state is set and the buffer member of the alert
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// is 0. If successful, ``buffer`` points to a buffer containing all the data
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// of the piece. ``piece`` is the piece index that was read. ``size`` is the
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// number of bytes that was read.
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//
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// If the operation fails, ec will indicat what went wrong.
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struct TORRENT_EXPORT read_piece_alert: torrent_alert
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{
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// internal
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read_piece_alert(torrent_handle const& h
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, int p, boost::shared_array<char> d, int s)
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: torrent_alert(h)
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, buffer(d)
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, piece(p)
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, size(s)
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{}
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read_piece_alert(torrent_handle h, int p, error_code e)
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: torrent_alert(h)
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, ec(e)
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, piece(p)
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, size(0)
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{}
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TORRENT_DEFINE_ALERT(read_piece_alert);
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const static int static_category = alert::storage_notification;
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virtual std::string message() const;
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virtual bool discardable() const { return false; }
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error_code ec;
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boost::shared_array<char> buffer;
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int piece;
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int size;
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};
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// This is posted whenever an individual file completes its download. i.e.
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// All pieces overlapping this file have passed their hash check.
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struct TORRENT_EXPORT file_completed_alert: torrent_alert
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{
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// internal
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file_completed_alert(torrent_handle const& h
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, int idx)
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: torrent_alert(h)
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, index(idx)
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{}
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TORRENT_DEFINE_ALERT(file_completed_alert);
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const static int static_category = alert::progress_notification;
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virtual std::string message() const;
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// refers to the index of the file that completed.
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int index;
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};
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// This is posted as a response to a torrent_handle::rename_file() call, if the rename
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// operation succeeds.
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struct TORRENT_EXPORT file_renamed_alert: torrent_alert
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{
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// internal
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file_renamed_alert(torrent_handle const& h
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, std::string const& n
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, int idx)
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: torrent_alert(h)
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, name(n)
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, index(idx)
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{}
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TORRENT_DEFINE_ALERT(file_renamed_alert);
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const static int static_category = alert::storage_notification;
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virtual std::string message() const;
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virtual bool discardable() const { return false; }
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std::string name;
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// refers to the index of the file that was renamed,
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// ``name`` is the new name of the file.
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int index;
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};
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// This is posted as a response to a torrent_handle::rename_file() call, if the rename
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// operation failed.
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struct TORRENT_EXPORT file_rename_failed_alert: torrent_alert
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{
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// internal
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file_rename_failed_alert(torrent_handle const& h
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, int idx
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, error_code ec)
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: torrent_alert(h)
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, index(idx)
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, error(ec)
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{}
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TORRENT_DEFINE_ALERT(file_rename_failed_alert);
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const static int static_category = alert::storage_notification;
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virtual std::string message() const;
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virtual bool discardable() const { return false; }
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// refers to the index of the file that was supposed to be renamed,
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// ``error`` is the error code returned from the filesystem.
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int index;
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error_code error;
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};
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// This alert is generated when a limit is reached that might have a negative impact on
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// upload or download rate performance.
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struct TORRENT_EXPORT performance_alert: torrent_alert
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{
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enum performance_warning_t
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{
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// This warning means that the number of bytes queued to be written to disk
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// exceeds the max disk byte queue setting (``session_settings::max_queued_disk_bytes``).
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// This might restrict the download rate, by not queuing up enough write jobs
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// to the disk I/O thread. When this alert is posted, peer connections are
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// temporarily stopped from downloading, until the queued disk bytes have fallen
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// below the limit again. Unless your ``max_queued_disk_bytes`` setting is already
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// high, you might want to increase it to get better performance.
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outstanding_disk_buffer_limit_reached,
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// This is posted when libtorrent would like to send more requests to a peer,
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// but it's limited by ``session_settings::max_out_request_queue``. The queue length
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// libtorrent is trying to achieve is determined by the download rate and the
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// assumed round-trip-time (``session_settings::request_queue_time``). The assumed
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// rount-trip-time is not limited to just the network RTT, but also the remote disk
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// access time and message handling time. It defaults to 3 seconds. The target number
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// of outstanding requests is set to fill the bandwidth-delay product (assumed RTT
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// times download rate divided by number of bytes per request). When this alert
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// is posted, there is a risk that the number of outstanding requests is too low
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// and limits the download rate. You might want to increase the ``max_out_request_queue``
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// setting.
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outstanding_request_limit_reached,
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// This warning is posted when the amount of TCP/IP overhead is greater than the
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// upload rate limit. When this happens, the TCP/IP overhead is caused by a much
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// faster download rate, triggering TCP ACK packets. These packets eat into the
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// rate limit specified to libtorrent. When the overhead traffic is greater than
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// the rate limit, libtorrent will not be able to send any actual payload, such
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// as piece requests. This means the download rate will suffer, and new requests
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// can be sent again. There will be an equilibrium where the download rate, on
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// average, is about 20 times the upload rate limit. If you want to maximize the
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// download rate, increase the upload rate limit above 5% of your download capacity.
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upload_limit_too_low,
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// This is the same warning as ``upload_limit_too_low`` but referring to the download
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// limit instead of upload. This suggests that your download rate limit is mcuh lower
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// than your upload capacity. Your upload rate will suffer. To maximize upload rate,
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// make sure your download rate limit is above 5% of your upload capacity.
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download_limit_too_low,
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// We're stalled on the disk. We want to write to the socket, and we can write
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// but our send buffer is empty, waiting to be refilled from the disk.
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// This either means the disk is slower than the network connection
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// or that our send buffer watermark is too small, because we can
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// send it all before the disk gets back to us.
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// The number of bytes that we keep outstanding, requested from the disk, is calculated
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// as follows::
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//
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// min(512, max(upload_rate * send_buffer_watermark_factor / 100, send_buffer_watermark))
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//
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// If you receive this alert, you migth want to either increase your ``send_buffer_watermark``
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// or ``send_buffer_watermark_factor``.
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send_buffer_watermark_too_low,
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// If the half (or more) of all upload slots are set as optimistic unchoke slots, this
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// warning is issued. You probably want more regular (rate based) unchoke slots.
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too_many_optimistic_unchoke_slots,
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// If the disk write queue ever grows larger than half of the cache size, this warning
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// is posted. The disk write queue eats into the total disk cache and leaves very little
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// left for the actual cache. This causes the disk cache to oscillate in evicting large
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// portions of the cache before allowing peers to download any more, onto the disk write
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// queue. Either lower ``max_queued_disk_bytes`` or increase ``cache_size``.
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too_high_disk_queue_limit,
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bittyrant_with_no_uplimit,
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// This is generated if outgoing peer connections are failing because of *address in use*
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// errors, indicating that ``session_settings::outgoing_ports`` is set and is too small of
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// a range. Consider not using the ``outgoing_ports`` setting at all, or widen the range to
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// include more ports.
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too_few_outgoing_ports,
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too_few_file_descriptors,
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num_warnings
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};
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// internal
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performance_alert(torrent_handle const& h
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, performance_warning_t w)
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: torrent_alert(h)
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, warning_code(w)
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{}
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TORRENT_DEFINE_ALERT(performance_alert);
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const static int static_category = alert::performance_warning;
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virtual std::string message() const;
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performance_warning_t warning_code;
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};
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// Generated whenever a torrent changes its state.
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struct TORRENT_EXPORT state_changed_alert: torrent_alert
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{
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// internal
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state_changed_alert(torrent_handle const& h
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, torrent_status::state_t st
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, torrent_status::state_t prev_st)
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: torrent_alert(h)
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, state(st)
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, prev_state(prev_st)
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{}
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TORRENT_DEFINE_ALERT(state_changed_alert);
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const static int static_category = alert::status_notification;
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virtual std::string message() const;
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// the new state of the torrent.
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torrent_status::state_t state;
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// the previous state.
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torrent_status::state_t prev_state;
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};
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// This alert is generated on tracker time outs, premature disconnects, invalid response or
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// a HTTP response other than "200 OK". From the alert you can get the handle to the torrent
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// the tracker belongs to.
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//
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// The ``times_in_row`` member says how many times in a row this tracker has failed.
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// ``status_code`` is the code returned from the HTTP server. 401 means the tracker needs
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// authentication, 404 means not found etc. If the tracker timed out, the code will be set
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// to 0.
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struct TORRENT_EXPORT tracker_error_alert: tracker_alert
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{
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// internal
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tracker_error_alert(torrent_handle const& h
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, int times
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, int status
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, std::string const& u
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, error_code const& e
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, std::string const& m)
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: tracker_alert(h, u)
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, times_in_row(times)
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, status_code(status)
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, error(e)
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, msg(m)
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{
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TORRENT_ASSERT(!url.empty());
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}
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TORRENT_DEFINE_ALERT(tracker_error_alert);
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const static int static_category = alert::tracker_notification | alert::error_notification;
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virtual std::string message() const;
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int times_in_row;
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int status_code;
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error_code error;
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std::string msg;
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};
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// This alert is triggered if the tracker reply contains a warning field. Usually this
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// means that the tracker announce was successful, but the tracker has a message to
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// the client.
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struct TORRENT_EXPORT tracker_warning_alert: tracker_alert
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{
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// internal
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tracker_warning_alert(torrent_handle const& h
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, std::string const& u
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, std::string const& m)
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: tracker_alert(h, u)
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, msg(m)
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{ TORRENT_ASSERT(!url.empty()); }
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TORRENT_DEFINE_ALERT(tracker_warning_alert);
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const static int static_category = alert::tracker_notification | alert::error_notification;
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virtual std::string message() const;
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// contains the warning message from the tracker.
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std::string msg;
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};
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// This alert is generated when a scrape request succeeds.
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struct TORRENT_EXPORT scrape_reply_alert: tracker_alert
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{
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// internal
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scrape_reply_alert(torrent_handle const& h
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, int incomp
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, int comp
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, std::string const& u)
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: tracker_alert(h, u)
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, incomplete(incomp)
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, complete(comp)
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{ TORRENT_ASSERT(!url.empty()); }
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TORRENT_DEFINE_ALERT(scrape_reply_alert);
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virtual std::string message() const;
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// the data returned in the scrape response. These numbers
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// may be -1 if the reponse was malformed.
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int incomplete;
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int complete;
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};
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// If a scrape request fails, this alert is generated. This might be due
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// to the tracker timing out, refusing connection or returning an http response
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// code indicating an error.
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struct TORRENT_EXPORT scrape_failed_alert: tracker_alert
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{
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// internal
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scrape_failed_alert(torrent_handle const& h
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, std::string const& u
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, error_code const& e)
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: tracker_alert(h, u)
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, msg(convert_from_native(e.message()))
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{ TORRENT_ASSERT(!url.empty()); }
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scrape_failed_alert(torrent_handle const& h
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, std::string const& u
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, std::string const& m)
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: tracker_alert(h, u)
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, msg(m)
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{ TORRENT_ASSERT(!url.empty()); }
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|
TORRENT_DEFINE_ALERT(scrape_failed_alert);
|
|
|
|
const static int static_category = alert::tracker_notification | alert::error_notification;
|
|
virtual std::string message() const;
|
|
|
|
// contains a message describing the error.
|
|
std::string msg;
|
|
};
|
|
|
|
// This alert is only for informational purpose. It is generated when a tracker announce
|
|
// succeeds. It is generated regardless what kind of tracker was used, be it UDP, HTTP or
|
|
// the DHT.
|
|
struct TORRENT_EXPORT tracker_reply_alert: tracker_alert
|
|
{
|
|
// internal
|
|
tracker_reply_alert(torrent_handle const& h
|
|
, int np
|
|
, std::string const& u)
|
|
: tracker_alert(h, u)
|
|
, num_peers(np)
|
|
{ TORRENT_ASSERT(!url.empty()); }
|
|
|
|
TORRENT_DEFINE_ALERT(tracker_reply_alert);
|
|
|
|
virtual std::string message() const;
|
|
|
|
// tells how many peers the tracker returned in this response. This is
|
|
// not expected to be more thant the ``num_want`` settings. These are not necessarily
|
|
// all new peers, some of them may already be connected.
|
|
int num_peers;
|
|
};
|
|
|
|
// This alert is generated each time the DHT receives peers from a node. ``num_peers``
|
|
// is the number of peers we received in this packet. Typically these packets are
|
|
// received from multiple DHT nodes, and so the alerts are typically generated
|
|
// a few at a time.
|
|
struct TORRENT_EXPORT dht_reply_alert: tracker_alert
|
|
{
|
|
// internal
|
|
dht_reply_alert(torrent_handle const& h
|
|
, int np)
|
|
: tracker_alert(h, "")
|
|
, num_peers(np)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(dht_reply_alert);
|
|
|
|
virtual std::string message() const;
|
|
|
|
int num_peers;
|
|
};
|
|
|
|
// This alert is generated each time a tracker announce is sent (or attempted to be sent).
|
|
// There are no extra data members in this alert. The url can be found in the base class
|
|
// however.
|
|
struct TORRENT_EXPORT tracker_announce_alert: tracker_alert
|
|
{
|
|
// internal
|
|
tracker_announce_alert(torrent_handle const& h
|
|
, std::string const& u, int e)
|
|
: tracker_alert(h, u)
|
|
, event(e)
|
|
{ TORRENT_ASSERT(!url.empty()); }
|
|
|
|
TORRENT_DEFINE_ALERT(tracker_announce_alert);
|
|
|
|
virtual std::string message() const;
|
|
|
|
// specifies what event was sent to the tracker. It is defined as:
|
|
//
|
|
// 0. None
|
|
// 1. Completed
|
|
// 2. Started
|
|
// 3. Stopped
|
|
int event;
|
|
};
|
|
|
|
// This alert is generated when a finished piece fails its hash check. You can get the handle
|
|
// to the torrent which got the failed piece and the index of the piece itself from the alert.
|
|
struct TORRENT_EXPORT hash_failed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
hash_failed_alert(
|
|
torrent_handle const& h
|
|
, int index)
|
|
: torrent_alert(h)
|
|
, piece_index(index)
|
|
{ TORRENT_ASSERT(index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(hash_failed_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a peer is banned because it has sent too many corrupt pieces
|
|
// to us. ``ip`` is the endpoint to the peer that was banned.
|
|
struct TORRENT_EXPORT peer_ban_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_ban_alert(torrent_handle h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id)
|
|
: peer_alert(h, ep, peer_id)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_ban_alert);
|
|
|
|
virtual std::string message() const;
|
|
};
|
|
|
|
// This alert is generated when a peer is unsnubbed. Essentially when it was snubbed for stalling
|
|
// sending data, and now it started sending data again.
|
|
struct TORRENT_EXPORT peer_unsnubbed_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_unsnubbed_alert(torrent_handle h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id)
|
|
: peer_alert(h, ep, peer_id)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_unsnubbed_alert);
|
|
|
|
virtual std::string message() const;
|
|
};
|
|
|
|
// This alert is generated when a peer is snubbed, when it stops sending data when we request
|
|
// it.
|
|
struct TORRENT_EXPORT peer_snubbed_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_snubbed_alert(torrent_handle h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id)
|
|
: peer_alert(h, ep, peer_id)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_snubbed_alert);
|
|
|
|
virtual std::string message() const;
|
|
};
|
|
|
|
// This alert is generated when a peer sends invalid data over the peer-peer protocol. The peer
|
|
// will be disconnected, but you get its ip address from the alert, to identify it.
|
|
struct TORRENT_EXPORT peer_error_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_error_alert(torrent_handle const& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, error_code const& e)
|
|
: peer_alert(h, ep, peer_id)
|
|
, error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_error_alert);
|
|
|
|
const static int static_category = alert::peer_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return peer_alert::message() + " peer error: " + convert_from_native(error.message());
|
|
}
|
|
|
|
// tells you what error caused this alert.
|
|
error_code error;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is posted every time an outgoing peer connect attempts succeeds.
|
|
struct TORRENT_EXPORT peer_connect_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_connect_alert(torrent_handle h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, int type)
|
|
: peer_alert(h, ep, peer_id)
|
|
, socket_type(type)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_connect_alert);
|
|
|
|
const static int static_category = alert::debug_notification;
|
|
virtual std::string message() const;;
|
|
|
|
int socket_type;
|
|
};
|
|
|
|
// This alert is generated when a peer is disconnected for any reason (other than the ones
|
|
// covered by peer_error_alert ).
|
|
struct TORRENT_EXPORT peer_disconnected_alert: peer_alert
|
|
{
|
|
// internal
|
|
peer_disconnected_alert(torrent_handle const& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, error_code const& e)
|
|
: peer_alert(h, ep, peer_id)
|
|
, error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_disconnected_alert);
|
|
|
|
const static int static_category = alert::debug_notification;
|
|
virtual std::string message() const;
|
|
|
|
// tells you what error caused peer to disconnect.
|
|
error_code error;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This is a debug alert that is generated by an incoming invalid piece request.
|
|
// ``ip`` is the address of the peer and the ``request`` is the actual incoming
|
|
// request from the peer. See peer_request for more info.
|
|
struct TORRENT_EXPORT invalid_request_alert: peer_alert
|
|
{
|
|
// internal
|
|
invalid_request_alert(torrent_handle const& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, peer_request const& r)
|
|
: peer_alert(h, ep, peer_id)
|
|
, request(r)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(invalid_request_alert);
|
|
|
|
virtual std::string message() const;
|
|
|
|
peer_request request;
|
|
};
|
|
|
|
// This alert is generated when a torrent switches from being a downloader to a seed.
|
|
// It will only be generated once per torrent. It contains a torrent_handle to the
|
|
// torrent in question.
|
|
struct TORRENT_EXPORT torrent_finished_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_finished_alert(
|
|
const torrent_handle& h)
|
|
: torrent_alert(h)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_finished_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " torrent finished downloading"; }
|
|
};
|
|
|
|
// this alert is posted every time a piece completes downloading
|
|
// and passes the hash check. This alert derives from torrent_alert
|
|
// which contains the torrent_handle to the torrent the piece belongs to.
|
|
struct TORRENT_EXPORT piece_finished_alert: torrent_alert
|
|
{
|
|
// internal
|
|
piece_finished_alert(
|
|
const torrent_handle& h
|
|
, int piece_num)
|
|
: torrent_alert(h)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(piece_index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(piece_finished_alert);
|
|
|
|
const static int static_category = alert::progress_notification;
|
|
virtual std::string message() const;
|
|
|
|
// the index of the piece that finished
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a peer rejects or ignores a piece request.
|
|
struct TORRENT_EXPORT request_dropped_alert: peer_alert
|
|
{
|
|
// internal
|
|
request_dropped_alert(const torrent_handle& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, int block_num, int piece_num)
|
|
: peer_alert(h, ep, peer_id)
|
|
, block_index(block_num)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(block_index >= 0 && piece_index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(request_dropped_alert);
|
|
|
|
const static int static_category = alert::progress_notification
|
|
| alert::peer_notification;
|
|
virtual std::string message() const;
|
|
|
|
int block_index;
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a block request times out.
|
|
struct TORRENT_EXPORT block_timeout_alert: peer_alert
|
|
{
|
|
// internal
|
|
block_timeout_alert(const torrent_handle& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, int block_num, int piece_num)
|
|
: peer_alert(h, ep, peer_id)
|
|
, block_index(block_num)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(block_index >= 0 && piece_index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(block_timeout_alert);
|
|
|
|
const static int static_category = alert::progress_notification
|
|
| alert::peer_notification;
|
|
virtual std::string message() const;
|
|
|
|
int block_index;
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a block request receives a response.
|
|
struct TORRENT_EXPORT block_finished_alert: peer_alert
|
|
{
|
|
// internal
|
|
block_finished_alert(const torrent_handle& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, int block_num, int piece_num)
|
|
: peer_alert(h, ep, peer_id)
|
|
, block_index(block_num)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(block_index >= 0 && piece_index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(block_finished_alert);
|
|
|
|
const static int static_category = alert::progress_notification;
|
|
virtual std::string message() const;
|
|
|
|
int block_index;
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a block request is sent to a peer.
|
|
struct TORRENT_EXPORT block_downloading_alert: peer_alert
|
|
{
|
|
// internal
|
|
block_downloading_alert(const torrent_handle& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, char const* speedmsg, int block_num, int piece_num)
|
|
: peer_alert(h, ep, peer_id)
|
|
, peer_speedmsg(speedmsg)
|
|
, block_index(block_num)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(block_index >= 0 && piece_index >= 0); }
|
|
|
|
TORRENT_DEFINE_ALERT(block_downloading_alert);
|
|
|
|
const static int static_category = alert::progress_notification;
|
|
virtual std::string message() const;
|
|
|
|
char const* peer_speedmsg;
|
|
int block_index;
|
|
int piece_index;
|
|
};
|
|
|
|
// This alert is generated when a block is received that was not requested or
|
|
// whose request timed out.
|
|
struct TORRENT_EXPORT unwanted_block_alert: peer_alert
|
|
{
|
|
// internal
|
|
unwanted_block_alert(const torrent_handle& h, tcp::endpoint const& ep
|
|
, peer_id const& peer_id, int block_num, int piece_num)
|
|
: peer_alert(h, ep, peer_id)
|
|
, block_index(block_num)
|
|
, piece_index(piece_num)
|
|
{ TORRENT_ASSERT(block_index >= 0 && piece_index >= 0);}
|
|
|
|
TORRENT_DEFINE_ALERT(unwanted_block_alert);
|
|
|
|
virtual std::string message() const;
|
|
|
|
int block_index;
|
|
int piece_index;
|
|
};
|
|
|
|
// The ``storage_moved_alert`` is generated when all the disk IO has completed and the
|
|
// files have been moved, as an effect of a call to ``torrent_handle::move_storage``. This
|
|
// is useful to synchronize with the actual disk. The ``path`` member is the new path of
|
|
// the storage.
|
|
struct TORRENT_EXPORT storage_moved_alert: torrent_alert
|
|
{
|
|
// internal
|
|
storage_moved_alert(torrent_handle const& h, std::string const& p)
|
|
: torrent_alert(h)
|
|
, path(p)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(storage_moved_alert);
|
|
|
|
const static int static_category = alert::storage_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " moved storage to: "
|
|
+ path;
|
|
}
|
|
|
|
std::string path;
|
|
};
|
|
|
|
// The ``storage_moved_failed_alert`` is generated when an attempt to move the storage,
|
|
// via torrent_handle::move_storage(), fails.
|
|
struct TORRENT_EXPORT storage_moved_failed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
storage_moved_failed_alert(torrent_handle const& h, error_code const& e)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(storage_moved_failed_alert);
|
|
|
|
const static int static_category = alert::storage_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " storage move failed: "
|
|
+ convert_from_native(error.message());
|
|
}
|
|
|
|
error_code error;
|
|
};
|
|
|
|
// This alert is generated when a request to delete the files of a torrent complete.
|
|
//
|
|
// The ``info_hash`` is the info-hash of the torrent that was just deleted. Most of
|
|
// the time the torrent_handle in the ``torrent_alert`` will be invalid by the time
|
|
// this alert arrives, since the torrent is being deleted. The ``info_hash`` member
|
|
// is hence the main way of identifying which torrent just completed the delete.
|
|
//
|
|
// This alert is posted in the ``storage_notification`` category, and that bit
|
|
// needs to be set in the alert_mask.
|
|
struct TORRENT_EXPORT torrent_deleted_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_deleted_alert(torrent_handle const& h, sha1_hash const& ih)
|
|
: torrent_alert(h)
|
|
{ info_hash = ih; }
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_deleted_alert);
|
|
|
|
const static int static_category = alert::storage_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " deleted"; }
|
|
virtual bool discardable() const { return false; }
|
|
|
|
sha1_hash info_hash;
|
|
};
|
|
|
|
// This alert is generated when a request to delete the files of a torrent fails.
|
|
// Just removing a torrent from the session cannot fail
|
|
struct TORRENT_EXPORT torrent_delete_failed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_delete_failed_alert(torrent_handle const& h, error_code const& e, sha1_hash const& ih)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
, info_hash(ih)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_delete_failed_alert);
|
|
|
|
const static int static_category = alert::storage_notification
|
|
| alert::error_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " torrent deletion failed: "
|
|
+convert_from_native(error.message());
|
|
}
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// tells you why it failed.
|
|
error_code error;
|
|
|
|
// the info hash of the torrent whose files failed to be deleted
|
|
sha1_hash info_hash;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is generated as a response to a ``torrent_handle::save_resume_data`` request.
|
|
// It is generated once the disk IO thread is done writing the state for this torrent.
|
|
struct TORRENT_EXPORT save_resume_data_alert: torrent_alert
|
|
{
|
|
// internal
|
|
save_resume_data_alert(boost::shared_ptr<entry> const& rd
|
|
, torrent_handle const& h)
|
|
: torrent_alert(h)
|
|
, resume_data(rd)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(save_resume_data_alert);
|
|
|
|
const static int static_category = alert::storage_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " resume data generated"; }
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// points to the resume data.
|
|
boost::shared_ptr<entry> resume_data;
|
|
};
|
|
|
|
// This alert is generated instead of ``save_resume_data_alert`` if there was an error
|
|
// generating the resume data. ``error`` describes what went wrong.
|
|
struct TORRENT_EXPORT save_resume_data_failed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
save_resume_data_failed_alert(torrent_handle const& h
|
|
, error_code const& e)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(save_resume_data_failed_alert);
|
|
|
|
const static int static_category = alert::storage_notification
|
|
| alert::error_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " resume data was not generated: "
|
|
+ convert_from_native(error.message());
|
|
}
|
|
virtual bool discardable() const { return false; }
|
|
|
|
error_code error;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is generated as a response to a ``torrent_handle::pause`` request. It is
|
|
// generated once all disk IO is complete and the files in the torrent have been closed.
|
|
// This is useful for synchronizing with the disk.
|
|
struct TORRENT_EXPORT torrent_paused_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_paused_alert(torrent_handle const& h)
|
|
: torrent_alert(h)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_paused_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " paused"; }
|
|
};
|
|
|
|
// This alert is generated as a response to a torrent_handle::resume() request. It is
|
|
// generated when a torrent goes from a paused state to an active state.
|
|
struct TORRENT_EXPORT torrent_resumed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_resumed_alert(torrent_handle const& h)
|
|
: torrent_alert(h) {}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_resumed_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " resumed"; }
|
|
};
|
|
|
|
// This alert is posted when a torrent completes checking. i.e. when it transitions
|
|
// out of the ``checking files`` state into a state where it is ready to start downloading
|
|
struct TORRENT_EXPORT torrent_checked_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_checked_alert(torrent_handle const& h)
|
|
: torrent_alert(h)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_checked_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " checked"; }
|
|
};
|
|
|
|
// This alert is generated when a HTTP seed name lookup fails.
|
|
struct TORRENT_EXPORT url_seed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
url_seed_alert(
|
|
torrent_handle const& h
|
|
, std::string const& u
|
|
, error_code const& e)
|
|
: torrent_alert(h)
|
|
, url(u)
|
|
, msg(convert_from_native(e.message()))
|
|
{}
|
|
url_seed_alert(
|
|
torrent_handle const& h
|
|
, std::string const& u
|
|
, std::string const& m)
|
|
: torrent_alert(h)
|
|
, url(u)
|
|
, msg(m)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(url_seed_alert);
|
|
|
|
const static int static_category = alert::peer_notification | alert::error_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " url seed ("
|
|
+ url + ") failed: " + msg;
|
|
}
|
|
|
|
// the HTTP seed that failed
|
|
std::string url;
|
|
|
|
// the error message, potentially from the server
|
|
std::string msg;
|
|
};
|
|
|
|
// If the storage fails to read or write files that it needs access to, this alert is
|
|
// generated and the torrent is paused.
|
|
struct TORRENT_EXPORT file_error_alert: torrent_alert
|
|
{
|
|
// internal
|
|
file_error_alert(
|
|
std::string const& f
|
|
, torrent_handle const& h
|
|
, error_code const& e)
|
|
: torrent_alert(h)
|
|
, file(f)
|
|
, error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(file_error_alert);
|
|
|
|
const static int static_category = alert::status_notification
|
|
| alert::error_notification
|
|
| alert::storage_notification;
|
|
virtual std::string message() const
|
|
{
|
|
return torrent_alert::message() + " file (" + file + ") error: "
|
|
+ convert_from_native(error.message());
|
|
}
|
|
|
|
// the path to the file that was accessed when the error occurred.
|
|
std::string file;
|
|
|
|
// the error code describing the error.
|
|
error_code error;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is generated when the metadata has been completely received and the info-hash
|
|
// failed to match it. i.e. the metadata that was received was corrupt. libtorrent will
|
|
// automatically retry to fetch it in this case. This is only relevant when running a
|
|
// torrent-less download, with the metadata extension provided by libtorrent.
|
|
struct TORRENT_EXPORT metadata_failed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
metadata_failed_alert(const torrent_handle& h, error_code e)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(metadata_failed_alert);
|
|
|
|
const static int static_category = alert::error_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " invalid metadata received"; }
|
|
|
|
// the error that occurred
|
|
error_code error;
|
|
};
|
|
|
|
// This alert is generated when the metadata has been completely received and the torrent
|
|
// can start downloading. It is not generated on torrents that are started with metadata, but
|
|
// only those that needs to download it from peers (when utilizing the libtorrent extension).
|
|
//
|
|
// There are no additional data members in this alert.
|
|
//
|
|
// Typically, when receiving this alert, you would want to save the torrent file in order
|
|
// to load it back up again when the session is restarted. Here's an example snippet of
|
|
// code to do that::
|
|
//
|
|
// torrent_handle h = alert->handle();
|
|
// if (h.is_valid()) {
|
|
// boost::intrusive_ptr<torrent_info const> ti = h.torrent_file();
|
|
// create_torrent ct(*ti);
|
|
// entry te = ct.generate();
|
|
// std::vector<char> buffer;
|
|
// bencode(std::back_inserter(buffer), te);
|
|
// FILE* f = fopen((to_hex(ti->info_hash().to_string()) + ".torrent").c_str(), "wb+");
|
|
// if (f) {
|
|
// fwrite(&buffer[0], 1, buffer.size(), f);
|
|
// fclose(f);
|
|
// }
|
|
// }
|
|
//
|
|
struct TORRENT_EXPORT metadata_received_alert: torrent_alert
|
|
{
|
|
// internal
|
|
metadata_received_alert(
|
|
const torrent_handle& h)
|
|
: torrent_alert(h)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(metadata_received_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " metadata successfully received"; }
|
|
};
|
|
|
|
// This alert is posted when there is an error on the UDP socket. The
|
|
// UDP socket is used for all uTP, DHT and UDP tracker traffic. It's
|
|
// global to the session.
|
|
struct TORRENT_EXPORT udp_error_alert: alert
|
|
{
|
|
// internal
|
|
udp_error_alert(
|
|
udp::endpoint const& ep
|
|
, error_code const& ec)
|
|
: endpoint(ep)
|
|
, error(ec)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(udp_error_alert);
|
|
|
|
const static int static_category = alert::error_notification;
|
|
virtual std::string message() const
|
|
{
|
|
error_code ec;
|
|
return "UDP error: " + convert_from_native(error.message()) + " from: " + endpoint.address().to_string(ec);
|
|
}
|
|
|
|
// the source address associated with the error (if any)
|
|
udp::endpoint endpoint;
|
|
|
|
// the error code describing the error
|
|
error_code error;
|
|
};
|
|
|
|
// Whenever libtorrent learns about the machines external IP, this alert is
|
|
// generated. The external IP address can be acquired from the tracker (if it
|
|
// supports that) or from peers that supports the extension protocol.
|
|
// The address can be accessed through the ``external_address`` member.
|
|
struct TORRENT_EXPORT external_ip_alert: alert
|
|
{
|
|
// internal
|
|
external_ip_alert(address const& ip)
|
|
: external_address(ip)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(external_ip_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const
|
|
{
|
|
error_code ec;
|
|
return "external IP received: " + external_address.to_string(ec);
|
|
}
|
|
|
|
// the IP address that is believed to be our external IP
|
|
address external_address;
|
|
};
|
|
|
|
// This alert is generated when none of the ports, given in the port range, to
|
|
// session can be opened for listening. The ``endpoint`` member is the
|
|
// interface and port that failed, ``error`` is the error code describing
|
|
// the failure.
|
|
//
|
|
// libtorrent may sometimes try to listen on port 0, if all other ports failed.
|
|
// Port 0 asks the operating system to pick a port that's free). If that fails
|
|
// you may see a listen_failed_alert with port 0 even if you didn't ask to
|
|
// listen on it.
|
|
struct TORRENT_EXPORT listen_failed_alert: alert
|
|
{
|
|
enum socket_type_t { tcp, tcp_ssl, udp, i2p, socks5 };
|
|
|
|
// internal
|
|
listen_failed_alert(
|
|
tcp::endpoint const& ep
|
|
, int op
|
|
, error_code const& ec
|
|
, socket_type_t t)
|
|
: endpoint(ep)
|
|
, error(ec)
|
|
, operation(op)
|
|
, sock_type(t)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(listen_failed_alert);
|
|
|
|
const static int static_category = alert::status_notification | alert::error_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// the endpoint libtorrent attempted to listen on
|
|
tcp::endpoint endpoint;
|
|
|
|
// the error the system returned
|
|
error_code error;
|
|
|
|
enum op_t
|
|
{
|
|
parse_addr, open, bind, listen, get_peer_name, accept
|
|
};
|
|
|
|
// the specific low level operation that failed. See op_t.
|
|
int operation;
|
|
|
|
// the type of listen socket this alert refers to.
|
|
socket_type_t sock_type;
|
|
};
|
|
|
|
// This alert is posted when the listen port succeeds to be opened on a
|
|
// particular interface. ``endpoint`` is the endpoint that successfully
|
|
// was opened for listening.
|
|
struct TORRENT_EXPORT listen_succeeded_alert: alert
|
|
{
|
|
enum socket_type_t { tcp, tcp_ssl, udp };
|
|
|
|
// internal
|
|
listen_succeeded_alert(tcp::endpoint const& ep, socket_type_t t)
|
|
: endpoint(ep)
|
|
, sock_type(t)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(listen_succeeded_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// the endpoint libtorrent ended up listening on. The address
|
|
// refers to the local interface and the port is the listen port.
|
|
tcp::endpoint endpoint;
|
|
|
|
// the type of listen socket this alert refers to.
|
|
socket_type_t sock_type;
|
|
};
|
|
|
|
// This alert is generated when a NAT router was successfully found but some
|
|
// part of the port mapping request failed. It contains a text message that
|
|
// may help the user figure out what is wrong. This alert is not generated in
|
|
// case it appears the client is not running on a NAT:ed network or if it
|
|
// appears there is no NAT router that can be remote controlled to add port
|
|
// mappings.
|
|
struct TORRENT_EXPORT portmap_error_alert: alert
|
|
{
|
|
// internal
|
|
portmap_error_alert(int i, int t, error_code const& e)
|
|
: mapping(i), map_type(t), error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(portmap_error_alert);
|
|
|
|
const static int static_category = alert::port_mapping_notification
|
|
| alert::error_notification;
|
|
virtual std::string message() const;
|
|
|
|
// refers to the mapping index of the port map that failed, i.e.
|
|
// the index returned from add_mapping().
|
|
int mapping;
|
|
|
|
// is 0 for NAT-PMP and 1 for UPnP.
|
|
int map_type;
|
|
|
|
// tells you what failed.
|
|
error_code error;
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is generated when a NAT router was successfully found and
|
|
// a port was successfully mapped on it. On a NAT:ed network with a NAT-PMP
|
|
// capable router, this is typically generated once when mapping the TCP
|
|
// port and, if DHT is enabled, when the UDP port is mapped.
|
|
struct TORRENT_EXPORT portmap_alert: alert
|
|
{
|
|
// internal
|
|
portmap_alert(int i, int port, int t)
|
|
: mapping(i), external_port(port), map_type(t)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(portmap_alert);
|
|
|
|
const static int static_category = alert::port_mapping_notification;
|
|
virtual std::string message() const;
|
|
|
|
// refers to the mapping index of the port map that failed, i.e.
|
|
// the index returned from add_mapping().
|
|
int mapping;
|
|
|
|
// the external port allocated for the mapping.
|
|
int external_port;
|
|
|
|
// 0 for NAT-PMP and 1 for UPnP.
|
|
int map_type;
|
|
};
|
|
|
|
// This alert is generated to log informational events related to either
|
|
// UPnP or NAT-PMP. They contain a log line and the type (0 = NAT-PMP
|
|
// and 1 = UPnP). Displaying these messages to an end user is only useful
|
|
// for debugging the UPnP or NAT-PMP implementation.
|
|
struct TORRENT_EXPORT portmap_log_alert: alert
|
|
{
|
|
// internal
|
|
portmap_log_alert(int t, std::string const& m)
|
|
: map_type(t), msg(m)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(portmap_log_alert);
|
|
|
|
const static int static_category = alert::port_mapping_notification;
|
|
virtual std::string message() const;
|
|
|
|
int map_type;
|
|
std::string msg;
|
|
};
|
|
|
|
// This alert is generated when a fastresume file has been passed to add_torrent() but the
|
|
// files on disk did not match the fastresume file. The error_code explains the reason why the
|
|
// resume file was rejected.
|
|
struct TORRENT_EXPORT fastresume_rejected_alert: torrent_alert
|
|
{
|
|
// internal
|
|
fastresume_rejected_alert(torrent_handle const& h
|
|
, error_code const& e)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
{
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
msg = convert_from_native(error.message());
|
|
#endif
|
|
}
|
|
|
|
TORRENT_DEFINE_ALERT(fastresume_rejected_alert);
|
|
|
|
const static int static_category = alert::status_notification
|
|
| alert::error_notification;
|
|
virtual std::string message() const
|
|
{ return torrent_alert::message() + " fast resume rejected: " + convert_from_native(error.message()); }
|
|
|
|
error_code error;
|
|
|
|
#ifndef TORRENT_NO_DEPRECATE
|
|
std::string msg;
|
|
#endif
|
|
};
|
|
|
|
// This alert is posted when an incoming peer connection, or a peer that's about to be added
|
|
// to our peer list, is blocked for some reason. This could be any of:
|
|
//
|
|
// * the IP filter
|
|
// * i2p mixed mode restrictions (a normal peer is not allowed on an i2p swarm)
|
|
// * the port filter
|
|
// * the peer has a low port and ``no_connect_privileged_ports`` is enabled
|
|
// * the protocol of the peer is blocked (uTP/TCP blocking)
|
|
struct TORRENT_EXPORT peer_blocked_alert: torrent_alert
|
|
{
|
|
// internal
|
|
peer_blocked_alert(torrent_handle const& h, address const& i)
|
|
: torrent_alert(h)
|
|
, ip(i)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(peer_blocked_alert);
|
|
|
|
const static int static_category = alert::ip_block_notification;
|
|
virtual std::string message() const
|
|
{
|
|
error_code ec;
|
|
return torrent_alert::message() + ": blocked peer: " + ip.to_string(ec);
|
|
}
|
|
|
|
// the address that was blocked.
|
|
address ip;
|
|
};
|
|
|
|
// This alert is generated when a DHT node announces to an info-hash on our DHT node. It belongs
|
|
// to the ``dht_notification`` category.
|
|
struct TORRENT_EXPORT dht_announce_alert: alert
|
|
{
|
|
// internal
|
|
dht_announce_alert(address const& i, int p
|
|
, sha1_hash const& ih)
|
|
: ip(i)
|
|
, port(p)
|
|
, info_hash(ih)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(dht_announce_alert);
|
|
|
|
const static int static_category = alert::dht_notification;
|
|
virtual std::string message() const;
|
|
|
|
address ip;
|
|
int port;
|
|
sha1_hash info_hash;
|
|
};
|
|
|
|
// This alert is generated when a DHT node sends a ``get_peers`` message to our DHT node.
|
|
// It belongs to the ``dht_notification`` category.
|
|
struct TORRENT_EXPORT dht_get_peers_alert: alert
|
|
{
|
|
// internal
|
|
dht_get_peers_alert(sha1_hash const& ih)
|
|
: info_hash(ih)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(dht_get_peers_alert);
|
|
|
|
const static int static_category = alert::dht_notification;
|
|
virtual std::string message() const;
|
|
|
|
sha1_hash info_hash;
|
|
};
|
|
|
|
// This alert is posted approximately once every second, and it contains
|
|
// byte counters of most statistics that's tracked for torrents. Each active
|
|
// torrent posts these alerts regularly.
|
|
struct TORRENT_EXPORT stats_alert: torrent_alert
|
|
{
|
|
// internal
|
|
stats_alert(torrent_handle const& h, int interval
|
|
, stat const& s);
|
|
|
|
TORRENT_DEFINE_ALERT(stats_alert);
|
|
|
|
const static int static_category = alert::stats_notification;
|
|
virtual std::string message() const;
|
|
|
|
enum stats_channel
|
|
{
|
|
upload_payload,
|
|
upload_protocol,
|
|
download_payload,
|
|
download_protocol,
|
|
#ifndef TORRENT_DISABLE_FULL_STATS
|
|
upload_ip_protocol,
|
|
upload_dht_protocol,
|
|
upload_tracker_protocol,
|
|
download_ip_protocol,
|
|
download_dht_protocol,
|
|
download_tracker_protocol,
|
|
#endif
|
|
num_channels
|
|
};
|
|
|
|
// an array of samples. The enum describes what each
|
|
// sample is a measurement of. All of these are raw, and not smoothing is performed.
|
|
int transferred[num_channels];
|
|
|
|
// the number of milliseconds during which these stats
|
|
// were collected. This is typically just above 1000, but if CPU is
|
|
// limited, it may be higher than that.
|
|
int interval;
|
|
};
|
|
|
|
// This alert is posted when the disk cache has been flushed for a specific torrent
|
|
// as a result of a call to torrent_handle::flush_cache(). This alert belongs to the
|
|
// ``storage_notification`` category, which must be enabled to let this alert through.
|
|
// The alert is also posted when removing a torrent from the session, once the outstanding
|
|
// cache flush is complete and the torrent does no longer have any files open.
|
|
struct TORRENT_EXPORT cache_flushed_alert: torrent_alert
|
|
{
|
|
// internal
|
|
cache_flushed_alert(torrent_handle const& h);
|
|
|
|
TORRENT_DEFINE_ALERT(cache_flushed_alert);
|
|
|
|
const static int static_category = alert::storage_notification;
|
|
};
|
|
|
|
// This alert is posted when a bittorrent feature is blocked because of the
|
|
// anonymous mode. For instance, if the tracker proxy is not set up, no
|
|
// trackers will be used, because trackers can only be used through proxies
|
|
// when in anonymous mode.
|
|
struct TORRENT_EXPORT anonymous_mode_alert: torrent_alert
|
|
{
|
|
// internal
|
|
anonymous_mode_alert(torrent_handle const& h
|
|
, int k, std::string const& s)
|
|
: torrent_alert(h)
|
|
, kind(k)
|
|
, str(s)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(anonymous_mode_alert);
|
|
|
|
const static int static_category = alert::error_notification;
|
|
virtual std::string message() const;
|
|
|
|
enum kind_t
|
|
{
|
|
// means that there's no proxy set up for tracker
|
|
// communication and the tracker will not be contacted.
|
|
// The tracker which this failed for is specified in the ``str`` member.
|
|
tracker_not_anonymous = 0
|
|
};
|
|
|
|
// specifies what error this is, see kind_t.
|
|
int kind;
|
|
std::string str;
|
|
};
|
|
|
|
// This alert is generated when we receive a local service discovery message from a peer
|
|
// for a torrent we're currently participating in.
|
|
struct TORRENT_EXPORT lsd_peer_alert: peer_alert
|
|
{
|
|
// internal
|
|
lsd_peer_alert(torrent_handle const& h
|
|
, tcp::endpoint const& i)
|
|
: peer_alert(h, i, peer_id(0))
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(lsd_peer_alert);
|
|
|
|
const static int static_category = alert::peer_notification;
|
|
virtual std::string message() const;
|
|
};
|
|
|
|
// This alert is posted whenever a tracker responds with a ``trackerid``. The tracker ID
|
|
// is like a cookie. The libtorrent will store the tracker ID for this tracker and
|
|
// repeat it in subsequent announces.
|
|
struct TORRENT_EXPORT trackerid_alert: tracker_alert
|
|
{
|
|
// internal
|
|
trackerid_alert(torrent_handle const& h
|
|
, std::string const& u
|
|
, const std::string& id)
|
|
: tracker_alert(h, u)
|
|
, trackerid(id)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(trackerid_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
|
|
// The tracker ID returned by the tracker
|
|
std::string trackerid;
|
|
};
|
|
|
|
// This alert is posted when the initial DHT bootstrap is done.
|
|
struct TORRENT_EXPORT dht_bootstrap_alert: alert
|
|
{
|
|
// internal
|
|
dht_bootstrap_alert() {}
|
|
|
|
TORRENT_DEFINE_ALERT(dht_bootstrap_alert);
|
|
|
|
const static int static_category = alert::dht_notification;
|
|
virtual std::string message() const;
|
|
};
|
|
|
|
// This alert is posted on RSS feed events such as start of RSS feed updates,
|
|
// successful completed updates and errors during updates.
|
|
//
|
|
// This alert is only posted if the ``rss_notifications`` category is enabled
|
|
// in the alert_mask.
|
|
struct TORRENT_EXPORT rss_alert: alert
|
|
{
|
|
// internal
|
|
rss_alert(feed_handle h, std::string const& u, int s, error_code const& ec)
|
|
: handle(h), url(u), state(s), error(ec)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(rss_alert);
|
|
|
|
const static int static_category = alert::rss_notification;
|
|
virtual std::string message() const;
|
|
|
|
enum state_t
|
|
{
|
|
// An update of this feed was just initiated, it will either succeed
|
|
// or fail soon.
|
|
state_updating,
|
|
|
|
// The feed just completed a successful update, there may be new items
|
|
// in it. If you're adding torrents manually, you may want to request
|
|
// the feed status of the feed and look through the ``items`` vector.
|
|
state_updated,
|
|
|
|
// An error just occurred. See the ``error`` field for information on
|
|
// what went wrong.
|
|
state_error
|
|
};
|
|
|
|
// the handle to the feed which generated this alert.
|
|
feed_handle handle;
|
|
|
|
// a short cut to access the url of the feed, without
|
|
// having to call feed_handle::get_settings().
|
|
std::string url;
|
|
|
|
// one of the values from rss_alert::state_t.
|
|
int state;
|
|
|
|
// an error code used for when an error occurs on the feed.
|
|
error_code error;
|
|
};
|
|
|
|
// This is posted whenever a torrent is transitioned into the error state.
|
|
struct TORRENT_EXPORT torrent_error_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_error_alert(torrent_handle const& h
|
|
, error_code const& e)
|
|
: torrent_alert(h)
|
|
, error(e)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_error_alert);
|
|
|
|
const static int static_category = alert::error_notification | alert::status_notification;
|
|
virtual std::string message() const;
|
|
|
|
// specifies which error the torrent encountered.
|
|
error_code error;
|
|
};
|
|
|
|
// This is always posted for SSL torrents. This is a reminder to the client that
|
|
// the torrent won't work unless torrent_handle::set_ssl_certificate() is called with
|
|
// a valid certificate. Valid certificates MUST be signed by the SSL certificate
|
|
// in the .torrent file.
|
|
struct TORRENT_EXPORT torrent_need_cert_alert: torrent_alert
|
|
{
|
|
// internal
|
|
torrent_need_cert_alert(torrent_handle const& h)
|
|
: torrent_alert(h)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_need_cert_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
error_code error;
|
|
};
|
|
|
|
// The incoming connection alert is posted every time we successfully accept
|
|
// an incoming connection, through any mean. The most straigh-forward ways
|
|
// of accepting incoming connections are through the TCP listen socket and
|
|
// the UDP listen socket for uTP sockets. However, connections may also be
|
|
// accepted ofer a Socks5 or i2p listen socket, or via a torrent specific
|
|
// listen socket for SSL torrents.
|
|
struct TORRENT_EXPORT incoming_connection_alert: alert
|
|
{
|
|
// internal
|
|
incoming_connection_alert(int t, tcp::endpoint const& i)
|
|
: socket_type(t)
|
|
, ip(i)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(incoming_connection_alert);
|
|
|
|
const static int static_category = alert::peer_notification;
|
|
virtual std::string message() const;
|
|
|
|
// tells you what kind of socket the connection was accepted
|
|
// as:
|
|
//
|
|
// 0. none (no socket instantiated)
|
|
// 1. TCP
|
|
// 2. Socks5
|
|
// 3. HTTP
|
|
// 4. uTP
|
|
// 5. i2p
|
|
// 6. SSL/TCP
|
|
// 7. SSL/Socks5
|
|
// 8. HTTPS (SSL/HTTP)
|
|
// 9. SSL/uTP
|
|
//
|
|
int socket_type;
|
|
|
|
// is the IP address and port the connection came from.
|
|
tcp::endpoint ip;
|
|
};
|
|
|
|
// This alert is always posted when a torrent was attempted to be added
|
|
// and contains the return status of the add operation. The torrent handle of the new
|
|
// torrent can be found in the base class' ``handle`` member. If adding
|
|
// the torrent failed, ``error`` contains the error code.
|
|
struct TORRENT_EXPORT add_torrent_alert : torrent_alert
|
|
{
|
|
// internal
|
|
add_torrent_alert(torrent_handle h, add_torrent_params const& p, error_code ec)
|
|
: torrent_alert(h)
|
|
, params(p)
|
|
, error(ec)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(add_torrent_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// a copy of the parameters used when adding the torrent, it can be used
|
|
// to identify which invocation to ``async_add_torrent()`` caused this alert.
|
|
add_torrent_params params;
|
|
|
|
// set to the error, if one occurred while adding the torrent.
|
|
error_code error;
|
|
};
|
|
|
|
// This alert is only posted when requested by the user, by calling session::post_torrent_updates()
|
|
// on the session. It contains the torrent status of all torrents that changed
|
|
// since last time this message was posted. Its category is ``status_notification``, but
|
|
// it's not subject to filtering, since it's only manually posted anyway.
|
|
struct TORRENT_EXPORT state_update_alert : alert
|
|
{
|
|
TORRENT_DEFINE_ALERT(state_update_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// contains the torrent status of all torrents that changed since last time
|
|
// this message was posted. Note that you can map a torrent status to a specific torrent
|
|
// via its ``handle`` member. The receiving end is suggested to have all torrents sorted
|
|
// by the torrent_handle or hashed by it, for efficient updates.
|
|
std::vector<torrent_status> status;
|
|
};
|
|
|
|
// When a torrent changes its info-hash, this alert is posted. This only happens in very
|
|
// specific cases. For instance, when a torrent is downloaded from a URL, the true info
|
|
// hash is not known immediately. First the .torrent file must be downloaded and parsed.
|
|
//
|
|
// Once this download completes, the ``torrent_update_alert`` is posted to notify the client
|
|
// of the info-hash changing.
|
|
struct TORRENT_EXPORT torrent_update_alert : torrent_alert
|
|
{
|
|
// internal
|
|
torrent_update_alert(torrent_handle h, sha1_hash const& old_hash, sha1_hash const& new_hash)
|
|
: torrent_alert(h)
|
|
, old_ih(old_hash)
|
|
, new_ih(new_hash)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(torrent_update_alert);
|
|
|
|
const static int static_category = alert::status_notification;
|
|
virtual std::string message() const;
|
|
virtual bool discardable() const { return false; }
|
|
|
|
// ``old_ih`` and ``new_ih`` are the previous and new info-hash for the torrent, respectively.
|
|
sha1_hash old_ih;
|
|
sha1_hash new_ih;
|
|
};
|
|
|
|
// This alert is posted every time a new RSS item (i.e. torrent) is received
|
|
// from an RSS feed.
|
|
//
|
|
// It is only posted if the ``rss_notifications`` category is enabled in the
|
|
// alert_mask.
|
|
struct TORRENT_EXPORT rss_item_alert : alert
|
|
{
|
|
// internal
|
|
rss_item_alert(feed_handle h, feed_item const& item)
|
|
: handle(h)
|
|
, item(item)
|
|
{}
|
|
|
|
TORRENT_DEFINE_ALERT(rss_item_alert);
|
|
|
|
const static int static_category = alert::rss_notification;
|
|
virtual std::string message() const;
|
|
|
|
feed_handle handle;
|
|
feed_item item;
|
|
};
|
|
|
|
|
|
#undef TORRENT_DEFINE_ALERT
|
|
|
|
}
|
|
|
|
|
|
#endif
|