354 lines
10 KiB
C++
354 lines
10 KiB
C++
/*
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Copyright (c) 2008-2015, 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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#include <boost/version.hpp>
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#include "libtorrent/config.hpp"
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/string_util.hpp" // for to_string()
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#include "libtorrent/aux_/escape_string.hpp" // for convert_to_native
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namespace libtorrent
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{
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struct libtorrent_error_category : boost::system::error_category
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{
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virtual const char* name() const BOOST_SYSTEM_NOEXCEPT;
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virtual std::string message(int ev) const BOOST_SYSTEM_NOEXCEPT;
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virtual boost::system::error_condition default_error_condition(int ev) const BOOST_SYSTEM_NOEXCEPT
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{ return boost::system::error_condition(ev, *this); }
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};
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const char* libtorrent_error_category::name() const BOOST_SYSTEM_NOEXCEPT
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{
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return "libtorrent";
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}
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std::string libtorrent_error_category::message(int ev) const BOOST_SYSTEM_NOEXCEPT
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{
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static char const* msgs[] =
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{
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"no error",
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"torrent file collides with file from another torrent",
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"hash check failed",
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"torrent file is not a dictionary",
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"missing or invalid 'info' section in torrent file",
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"'info' entry is not a dictionary",
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"invalid or missing 'piece length' entry in torrent file",
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"missing name in torrent file",
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"invalid 'name' of torrent (possible exploit attempt)",
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"invalid length of torrent",
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"failed to parse files from torrent file",
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"invalid or missing 'pieces' entry in torrent file",
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"incorrect number of piece hashes in torrent file",
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"too many pieces in torrent",
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"invalid metadata received from swarm",
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"invalid bencoding",
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"no files in torrent",
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"invalid escaped string",
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"session is closing",
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"torrent already exists in session",
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"invalid torrent handle used",
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"invalid type requested from entry",
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"missing info-hash from URI",
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"file too short",
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"unsupported URL protocol",
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"failed to parse URL",
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"peer sent 0 length piece",
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"parse failed",
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"invalid file format tag",
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"missing info-hash",
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"mismatching info-hash",
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"invalid hostname",
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"invalid port",
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"port blocked by port-filter",
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"expected closing ] for address",
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"destructing torrent",
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"timed out",
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"upload to upload connection",
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"uninteresting upload-only peer",
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"invalid info-hash",
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"torrent paused",
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"'have'-message with higher index than the number of pieces",
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"bitfield of invalid size",
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"too many piece requests while choked",
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"invalid piece packet",
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"out of memory",
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"torrent aborted",
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"connected to ourselves",
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"invalid piece size",
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"timed out: no interest",
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"timed out: inactivity",
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"timed out: no handshake",
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"timed out: no request",
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"invalid choke message",
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"invalid unchoke message",
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"invalid interested message",
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"invalid not-interested message",
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"invalid request message",
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"invalid hash list",
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"invalid hash piece message",
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"invalid cancel message",
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"invalid dht-port message",
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"invalid suggest piece message",
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"invalid have-all message",
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"invalid have-none message",
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"invalid reject message",
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"invalid allow-fast message",
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"invalid extended message",
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"invalid message",
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"sync hash not found",
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"unable to verify encryption constant",
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"plaintext mode not provided",
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"rc4 mode not provided",
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"unsupported encryption mode",
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"peer selected unsupported encryption mode",
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"invalid encryption pad size",
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"invalid encryption handshake",
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"incoming encrypted connections disabled",
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"incoming regular connections disabled",
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"duplicate peer-id",
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"torrent removed",
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"packet too large",
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"",
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"HTTP error",
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"missing location header",
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"invalid redirection",
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"redirecting",
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"invalid HTTP range",
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"missing content-length",
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"banned by IP filter",
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"too many connections",
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"peer banned",
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"stopping torrent",
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"too many corrupt pieces",
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"torrent is not ready to accept peers",
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"peer is not properly constructed",
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"session is closing",
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"optimistic disconnect",
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"torrent finished",
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"no router found",
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"metadata too large",
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"invalid metadata request",
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"invalid metadata size",
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"invalid metadata offset",
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"invalid metadata message",
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"pex message too large",
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"invalid pex message",
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"invalid lt_tracker message",
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"pex messages sent too frequent (possible attack)",
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"torrent has no metadata",
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"invalid dont-have message",
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"SSL connection required",
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"invalid SSL certificate",
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"not an SSL torrent",
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"banned by port filter",
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"",
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"",
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"",
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"",
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"",
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// natpmp errors
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"unsupported protocol version",
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"not authorized to create port map (enable NAT-PMP on your router)",
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"network failure",
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"out of resources",
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"unsupported opcode",
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"",
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"",
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"",
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"",
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"",
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// fastresume errors
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"missing or invalid 'file sizes' entry",
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"no files in resume data",
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"missing 'slots' and 'pieces' entry",
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"mismatching number of files",
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"mismatching file size",
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"mismatching file timestamp",
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"not a dictionary",
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"invalid 'blocks per piece' entry",
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"missing slots list",
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"file has more slots than torrent",
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"invalid entry type in slot list",
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"invalid piece index in slot list",
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"pieces needs to be reordered",
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"fastresume not modified since last save",
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"",
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"",
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"",
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"",
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"",
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"",
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// HTTP errors
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"Invalid HTTP header",
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"missing Location header in HTTP redirect",
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"failed to decompress HTTP response",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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// i2p errors
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"no i2p router is set up",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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// tracker errors
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"scrape not available on tracker",
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"invalid tracker response",
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"invalid peer dictionary entry",
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"tracker sent a failure message",
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"missing or invalid 'files' entry",
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"missing or invalid 'hash' entry",
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"missing or invalid 'peers' and 'peers6' entry",
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"udp tracker response packet has invalid size",
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"invalid transaction id in udp tracker response",
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"invalid action field in udp tracker response",
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#ifndef TORRENT_NO_DEPRECATE
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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"",
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// bdecode errors
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"expected string in bencoded string",
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"expected colon in bencoded string",
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"unexpected end of file in bencoded string",
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"expected value (list, dict, int or string) in bencoded string",
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"bencoded nesting depth exceeded",
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"bencoded item count limit exceeded",
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"integer overflow",
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#endif
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};
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if (ev < 0 || ev >= int(sizeof(msgs)/sizeof(msgs[0])))
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return "Unknown error";
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return msgs[ev];
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}
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boost::system::error_category& get_libtorrent_category()
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{
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static libtorrent_error_category libtorrent_category;
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return libtorrent_category;
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}
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struct TORRENT_EXPORT http_error_category : boost::system::error_category
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{
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virtual const char* name() const BOOST_SYSTEM_NOEXCEPT
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{ return "http error"; }
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virtual std::string message(int ev) const BOOST_SYSTEM_NOEXCEPT
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{
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std::string ret;
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ret += to_string(ev).elems;
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ret += " ";
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switch (ev)
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{
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case errors::cont: ret += "Continue"; break;
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case errors::ok: ret += "OK"; break;
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case errors::created: ret += "Created"; break;
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case errors::accepted: ret += "Accepted"; break;
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case errors::no_content: ret += "No Content"; break;
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case errors::multiple_choices: ret += "Multiple Choices"; break;
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case errors::moved_permanently: ret += "Moved Permanently"; break;
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case errors::moved_temporarily: ret += "Moved Temporarily"; break;
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case errors::not_modified: ret += "Not Modified"; break;
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case errors::bad_request: ret += "Bad Request"; break;
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case errors::unauthorized: ret += "Unauthorized"; break;
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case errors::forbidden: ret += "Forbidden"; break;
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case errors::not_found: ret += "Not Found"; break;
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case errors::internal_server_error: ret += "Internal Server Error"; break;
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case errors::not_implemented: ret += "Not Implemented"; break;
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case errors::bad_gateway: ret += "Bad Gateway"; break;
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case errors::service_unavailable: ret += "Service Unavailable"; break;
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default: ret += "(unknown HTTP error)"; break;
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}
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return ret;
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}
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virtual boost::system::error_condition default_error_condition(
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int ev) const BOOST_SYSTEM_NOEXCEPT
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{ return boost::system::error_condition(ev, *this); }
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};
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boost::system::error_category& get_http_category()
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{
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static http_error_category http_category;
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return http_category;
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}
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#ifndef BOOST_NO_EXCEPTIONS
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const char* libtorrent_exception::what() const TORRENT_EXCEPTION_THROW_SPECIFIER
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{
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if (!m_msg)
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{
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std::string msg = convert_from_native(m_error.message());
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m_msg = allocate_string_copy(msg.c_str());
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}
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return m_msg;
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}
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libtorrent_exception::~libtorrent_exception() TORRENT_EXCEPTION_THROW_SPECIFIER
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{
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free(m_msg);
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}
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#endif
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namespace errors
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{
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// hidden
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boost::system::error_code make_error_code(error_code_enum e)
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{
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return boost::system::error_code(e, get_libtorrent_category());
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}
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}
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}
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