Version: 2.0.11

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storage_error

Declared in "libtorrent/error_code.hpp"

used by storage to return errors also includes which underlying file the error happened on

struct storage_error
{
   explicit operator bool () const;
   file_index_t file () const;
   void file (file_index_t f);

   error_code ec;
   operation_t operation;
};
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bool()

explicit operator bool () const;

explicitly converts to true if this object represents an error, and false if it does not.

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file()

file_index_t file () const;
void file (file_index_t f);

set and query the index (in the torrent) of the file this error occurred on. This may also have special values defined in torrent_status.

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ec
the error that occurred
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operation
A code from operation_t enum, indicating what kind of operation failed.
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gzip_category()

Declared in "libtorrent/gzip.hpp"

boost::system::error_category& gzip_category ();

get the error_category for zip errors

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pcp_category()

Declared in "libtorrent/natpmp.hpp"

boost::system::error_category& pcp_category ();
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bdecode_category()

Declared in "libtorrent/bdecode.hpp"

boost::system::error_category& bdecode_category ();
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libtorrent_category()

Declared in "libtorrent/error_code.hpp"

boost::system::error_category& libtorrent_category ();

return the instance of the libtorrent_error_category which maps libtorrent error codes to human readable error messages.

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http_category()

Declared in "libtorrent/error_code.hpp"

boost::system::error_category& http_category ();

returns the error_category for HTTP errors

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i2p_category()

Declared in "libtorrent/i2p_stream.hpp"

boost::system::error_category& i2p_category ();

returns the error category for I2P errors

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socks_category()

Declared in "libtorrent/socks5_stream.hpp"

boost::system::error_category& socks_category ();

returns the error_category for SOCKS5 errors

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upnp_category()

Declared in "libtorrent/upnp.hpp"

boost::system::error_category& upnp_category ();

the boost.system error category for UPnP errors

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enum error_code_enum

Declared in "libtorrent/gzip.hpp"

name value description
no_error 0 Not an error
invalid_gzip_header 1 the supplied gzip buffer has invalid header
inflated_data_too_large 2 the gzip buffer would inflate to more bytes than the specified maximum size, and was rejected.
data_did_not_terminate 3 available inflate data did not terminate
space_exhausted 4 output space exhausted before completing inflate
invalid_block_type 5 invalid block type (type == 3)
invalid_stored_block_length 6 stored block length did not match one's complement
too_many_length_or_distance_codes 7 dynamic block code description: too many length or distance codes
code_lengths_codes_incomplete 8 dynamic block code description: code lengths codes incomplete
repeat_lengths_with_no_first_length 9 dynamic block code description: repeat lengths with no first length
repeat_more_than_specified_lengths 10 dynamic block code description: repeat more than specified lengths
invalid_literal_length_code_lengths 11 dynamic block code description: invalid literal/length code lengths
invalid_distance_code_lengths 12 dynamic block code description: invalid distance code lengths
invalid_literal_code_in_block 13 invalid literal/length or distance code in fixed or dynamic block
distance_too_far_back_in_block 14 distance is too far back in fixed or dynamic block
unknown_gzip_error 15 an unknown error occurred during gzip inflation
error_code_max 16 the number of error codes
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enum pcp_errors

Declared in "libtorrent/natpmp.hpp"

name value description
pcp_success 0  
pcp_unsupp_version 1  
pcp_not_authorized 2  
pcp_malformed_request 3  
pcp_unsupp_opcode 4  
pcp_unsupp_option 5  
pcp_malformed_option 6  
pcp_network_failure 7  
pcp_no_resources 8  
pcp_unsupp_protocol 9  
pcp_user_ex_quota 10  
pcp_cannot_provide_external 11  
pcp_address_mismatch 12  
pcp_excessive_remote_peers 13  
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enum error_code_enum

Declared in "libtorrent/bdecode.hpp"

name value description
no_error 0 Not an error
expected_digit 1 expected digit in bencoded string
expected_colon 2 expected colon in bencoded string
unexpected_eof 3 unexpected end of file in bencoded string
expected_value 4 expected value (list, dict, int or string) in bencoded string
depth_exceeded 5 bencoded recursion depth limit exceeded
limit_exceeded 6 bencoded item count limit exceeded
overflow 7 integer overflow
error_code_max 8 the number of error codes
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enum error_code_enum

Declared in "libtorrent/error_code.hpp"

name value description
no_error 0 Not an error
file_collision 1 Two torrents has files which end up overwriting each other
failed_hash_check 2 A piece did not match its piece hash
torrent_is_no_dict 3 The .torrent file does not contain a bencoded dictionary at its top level
torrent_missing_info 4 The .torrent file does not have an info dictionary
torrent_info_no_dict 5 The .torrent file's info entry is not a dictionary
torrent_missing_piece_length 6 The .torrent file does not have a piece length entry
torrent_missing_name 7 The .torrent file does not have a name entry
torrent_invalid_name 8 The .torrent file's name entry is invalid
torrent_invalid_length 9 The length of a file, or of the whole .torrent file is invalid. Either negative or not an integer
torrent_file_parse_failed 10 Failed to parse a file entry in the .torrent
torrent_missing_pieces 11 The pieces field is missing or invalid in the .torrent file
torrent_invalid_hashes 12 The pieces string has incorrect length
too_many_pieces_in_torrent 13 The .torrent file has more pieces than is supported by libtorrent
invalid_swarm_metadata 14 The metadata (.torrent file) that was received from the swarm matched the info-hash, but failed to be parsed
invalid_bencoding 15 The file or buffer is not correctly bencoded
no_files_in_torrent 16 The .torrent file does not contain any files
invalid_escaped_string 17 The string was not properly url-encoded as expected
session_is_closing 18 Operation is not permitted since the session is shutting down
duplicate_torrent 19 There's already a torrent with that info-hash added to the session
invalid_torrent_handle 20 The supplied torrent_handle is not referring to a valid torrent
invalid_entry_type 21 The type requested from the entry did not match its type
missing_info_hash_in_uri 22 The specified URI does not contain a valid info-hash
file_too_short 23 One of the files in the torrent was unexpectedly small. This might be caused by files being changed by an external process
unsupported_url_protocol 24 The URL used an unknown protocol. Currently http and https (if built with openssl support) are recognized. For trackers udp is recognized as well.
url_parse_error 25 The URL did not conform to URL syntax and failed to be parsed
peer_sent_empty_piece 26 The peer sent a piece message of length 0
parse_failed 27 A bencoded structure was corrupt and failed to be parsed
invalid_file_tag 28 The fast resume file was missing or had an invalid file version tag
missing_info_hash 29 The fast resume file was missing or had an invalid info-hash
mismatching_info_hash 30 The info-hash did not match the torrent
invalid_hostname 31 The URL contained an invalid hostname
invalid_port 32 The URL had an invalid port
port_blocked 33 The port is blocked by the port-filter, and prevented the connection
expected_close_bracket_in_address 34 The IPv6 address was expected to end with "]"
destructing_torrent 35 The torrent is being destructed, preventing the operation to succeed
timed_out 36 The connection timed out
upload_upload_connection 37 The peer is upload only, and we are upload only. There's no point in keeping the connection
uninteresting_upload_peer 38 The peer is upload only, and we're not interested in it. There's no point in keeping the connection
invalid_info_hash 39 The peer sent an unknown info-hash
torrent_paused 40 The torrent is paused, preventing the operation from succeeding
invalid_have 41 The peer sent an invalid have message, either wrong size or referring to a piece that doesn't exist in the torrent
invalid_bitfield_size 42 The bitfield message had the incorrect size
too_many_requests_when_choked 43 The peer kept requesting pieces after it was choked, possible abuse attempt.
invalid_piece 44 The peer sent a piece message that does not correspond to a piece request sent by the client
no_memory 45 memory allocation failed
torrent_aborted 46 The torrent is aborted, preventing the operation to succeed
self_connection 47 The peer is a connection to ourself, no point in keeping it
invalid_piece_size 48 The peer sent a piece message with invalid size, either negative or greater than one block
timed_out_no_interest 49 The peer has not been interesting or interested in us for too long, no point in keeping it around
timed_out_inactivity 50 The peer has not said anything in a long time, possibly dead
timed_out_no_handshake 51 The peer did not send a handshake within a reasonable amount of time, it might not be a bittorrent peer
timed_out_no_request 52 The peer has been unchoked for too long without requesting any data. It might be lying about its interest in us
invalid_choke 53 The peer sent an invalid choke message
invalid_unchoke 54 The peer send an invalid unchoke message
invalid_interested 55 The peer sent an invalid interested message
invalid_not_interested 56 The peer sent an invalid not-interested message
invalid_request 57 The peer sent an invalid piece request message
invalid_hash_list 58 The peer sent an invalid hash-list message (this is part of the merkle-torrent extension)
invalid_hash_piece 59 The peer sent an invalid hash-piece message (this is part of the merkle-torrent extension)
invalid_cancel 60 The peer sent an invalid cancel message
invalid_dht_port 61 The peer sent an invalid DHT port-message
invalid_suggest 62 The peer sent an invalid suggest piece-message
invalid_have_all 63 The peer sent an invalid have all-message
invalid_have_none 64 The peer sent an invalid have none-message
invalid_reject 65 The peer sent an invalid reject message
invalid_allow_fast 66 The peer sent an invalid allow fast-message
invalid_extended 67 The peer sent an invalid extension message ID
invalid_message 68 The peer sent an invalid message ID
sync_hash_not_found 69 The synchronization hash was not found in the encrypted handshake
invalid_encryption_constant 70 The encryption constant in the handshake is invalid
no_plaintext_mode 71 The peer does not support plain text, which is the selected mode
no_rc4_mode 72 The peer does not support RC4, which is the selected mode
unsupported_encryption_mode 73 The peer does not support any of the encryption modes that the client supports
unsupported_encryption_mode_selected 74 The peer selected an encryption mode that the client did not advertise and does not support
invalid_pad_size 75 The pad size used in the encryption handshake is of invalid size
invalid_encrypt_handshake 76 The encryption handshake is invalid
no_incoming_encrypted 77 The client is set to not support incoming encrypted connections and this is an encrypted connection
no_incoming_regular 78 The client is set to not support incoming regular bittorrent connections, and this is a regular connection
duplicate_peer_id 79 The client is already connected to this peer-ID
torrent_removed 80 Torrent was removed
packet_too_large 81 The packet size exceeded the upper sanity check-limit
reserved 82  
http_error 83 The web server responded with an error
missing_location 84 The web server response is missing a location header
invalid_redirection 85 The web seed redirected to a path that no longer matches the .torrent directory structure
redirecting 86 The connection was closed because it redirected to a different URL
invalid_range 87 The HTTP range header is invalid
no_content_length 88 The HTTP response did not have a content length
banned_by_ip_filter 89 The IP is blocked by the IP filter
too_many_connections 90 At the connection limit
peer_banned 91 The peer is marked as banned
stopping_torrent 92 The torrent is stopping, causing the operation to fail
too_many_corrupt_pieces 93 The peer has sent too many corrupt pieces and is banned
torrent_not_ready 94 The torrent is not ready to receive peers
peer_not_constructed 95 The peer is not completely constructed yet
session_closing 96 The session is closing, causing the operation to fail
optimistic_disconnect 97 The peer was disconnected in order to leave room for a potentially better peer
torrent_finished 98 The torrent is finished
no_router 99 No UPnP router found
metadata_too_large 100 The metadata message says the metadata exceeds the limit
invalid_metadata_request 101 The peer sent an invalid metadata request message
invalid_metadata_size 102 The peer advertised an invalid metadata size
invalid_metadata_offset 103 The peer sent a message with an invalid metadata offset
invalid_metadata_message 104 The peer sent an invalid metadata message
pex_message_too_large 105 The peer sent a peer exchange message that was too large
invalid_pex_message 106 The peer sent an invalid peer exchange message
invalid_lt_tracker_message 107 The peer sent an invalid tracker exchange message
too_frequent_pex 108 The peer sent an pex messages too often. This is a possible attempt of and attack
no_metadata 109 The operation failed because it requires the torrent to have the metadata (.torrent file) and it doesn't have it yet. This happens for magnet links before they have downloaded the metadata, and also torrents added by URL.
invalid_dont_have 110 The peer sent an invalid dont_have message. The don't have message is an extension to allow peers to advertise that the no longer has a piece they previously had.
requires_ssl_connection 111 The peer tried to connect to an SSL torrent without connecting over SSL.
invalid_ssl_cert 112 The peer tried to connect to a torrent with a certificate for a different torrent.
not_an_ssl_torrent 113 the torrent is not an SSL torrent, and the operation requires an SSL torrent
banned_by_port_filter 114 peer was banned because its listen port is within a banned port range, as specified by the port_filter.
invalid_session_handle 115 The session_handle is not referring to a valid session_impl
invalid_listen_socket 116 the listen socket associated with this request was closed
invalid_hash_request 117  
invalid_hashes 118  
invalid_hash_reject 119  
deprecated_120 120  
deprecated_121 121  
deprecated_122 122  
deprecated_123 123  
deprecated_124 124  
missing_file_sizes 130 The resume data file is missing the file sizes entry
no_files_in_resume_data 131 The resume data file file sizes entry is empty
missing_pieces 132 The resume data file is missing the pieces and slots entry
mismatching_number_of_files 133 The number of files in the resume data does not match the number of files in the torrent
mismatching_file_size 134 One of the files on disk has a different size than in the fast resume file
mismatching_file_timestamp 135 One of the files on disk has a different timestamp than in the fast resume file
not_a_dictionary 136 The resume data file is not a dictionary
invalid_blocks_per_piece 137 The blocks per piece entry is invalid in the resume data file
missing_slots 138 The resume file is missing the slots entry, which is required for torrents with compact allocation. DEPRECATED
too_many_slots 139 The resume file contains more slots than the torrent
invalid_slot_list 140 The slot entry is invalid in the resume data
invalid_piece_index 141 One index in the slot list is invalid
pieces_need_reorder 142 The pieces on disk needs to be re-ordered for the specified allocation mode. This happens if you specify sparse allocation and the files on disk are using compact storage. The pieces needs to be moved to their right position. DEPRECATED
resume_data_not_modified 143 this error is returned when asking to save resume data and specifying the flag to only save when there's anything new to save (torrent_handle::only_if_modified) and there wasn't anything changed.
invalid_save_path 144 the save_path in add_torrent_params is not valid
http_parse_error 150 The HTTP header was not correctly formatted
http_missing_location 151 The HTTP response was in the 300-399 range but lacked a location header
http_failed_decompress 152 The HTTP response was encoded with gzip or deflate but decompressing it failed
no_i2p_router 160 The URL specified an i2p address, but no i2p router is configured
no_i2p_endpoint 161 i2p acceptor is not available yet, can't announce without endpoint
scrape_not_available 170 The tracker URL doesn't support transforming it into a scrape URL. i.e. it doesn't contain "announce.
invalid_tracker_response 171 invalid tracker response
invalid_peer_dict 172 invalid peer dictionary entry. Not a dictionary
tracker_failure 173 tracker sent a failure message
invalid_files_entry 174 missing or invalid files entry
invalid_hash_entry 175 missing or invalid hash entry
invalid_peers_entry 176 missing or invalid peers and peers6 entry
invalid_tracker_response_length 177 UDP tracker response packet has invalid size
invalid_tracker_transaction_id 178 invalid transaction id in UDP tracker response
invalid_tracker_action 179 invalid action field in UDP tracker response
announce_skipped 180 skipped announce (because it's assumed to be unreachable over the given source network interface)
no_entropy 200 random number generation failed
ssrf_mitigation 201 blocked by SSRF mitigation
blocked_by_idna 202 blocked because IDNA host names are banned
torrent_unknown_version 210 the torrent file has an unknown meta version
torrent_missing_file_tree 211 the v2 torrent file has no file tree
torrent_missing_meta_version 212 the torrent contains v2 keys but does not specify meta version 2
torrent_inconsistent_files 213 the v1 and v2 file metadata does not match
torrent_missing_piece_layer 214 one or more files are missing piece layer hashes
torrent_invalid_piece_layer 215 a piece layer has the wrong size or failed hash check
torrent_missing_pieces_root 216 a v2 file entry has no root hash
torrent_inconsistent_hashes 217 the v1 and v2 hashes do not describe the same data
torrent_invalid_pad_file 218 a file in the v2 metadata has the pad attribute set
error_code_max 219 the number of error codes
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enum http_errors

Declared in "libtorrent/error_code.hpp"

name value description
cont 100  
ok 200  
created 201  
accepted 202  
no_content 204  
multiple_choices 300  
moved_permanently 301  
moved_temporarily 302  
not_modified 304  
bad_request 400  
unauthorized 401  
forbidden 403  
not_found 404  
internal_server_error 500  
not_implemented 501  
bad_gateway 502  
service_unavailable 503  
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enum i2p_error_code

Declared in "libtorrent/i2p_stream.hpp"

name value description
no_error 0  
parse_failed 1  
cant_reach_peer 2  
i2p_error 3  
invalid_key 4  
invalid_id 5  
timeout 6  
key_not_found 7  
duplicated_id 8  
num_errors 9  
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enum socks_error_code

Declared in "libtorrent/socks5_stream.hpp"

name value description
no_error 0  
unsupported_version 1  
unsupported_authentication_method 2  
unsupported_authentication_version 3  
authentication_error 4  
username_required 5  
general_failure 6  
command_not_supported 7  
no_identd 8  
identd_error 9  
num_errors 10  
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enum error_code_enum

Declared in "libtorrent/upnp.hpp"

name value description
no_error 0 No error
invalid_argument 402 One of the arguments in the request is invalid
action_failed 501 The request failed
value_not_in_array 714 The specified value does not exist in the array
source_ip_cannot_be_wildcarded 715 The source IP address cannot be wild-carded, but must be fully specified
external_port_cannot_be_wildcarded 716 The external port cannot be a wildcard, but must be specified
port_mapping_conflict 718 The port mapping entry specified conflicts with a mapping assigned previously to another client
internal_port_must_match_external 724 Internal and external port value must be the same
only_permanent_leases_supported 725 The NAT implementation only supports permanent lease times on port mappings
remote_host_must_be_wildcard 726 RemoteHost must be a wildcard and cannot be a specific IP address or DNS name
external_port_must_be_wildcard 727 ExternalPort must be a wildcard and cannot be a specific port