text: /*
  
  Copyright (c) 2008-2012, Arvid Norberg
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  
      * Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
      * Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in
        the documentation and/or other materials provided with the distribution.
      * Neither the name of the author nor the names of its
        contributors may be used to endorse or promote products derived
        from this software without specific prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.
  
  */
  
  #ifndef TORRENT_ERROR_CODE_HPP_INCLUDED
  #define TORRENT_ERROR_CODE_HPP_INCLUDED
  
  #include <boost/version.hpp>
  #include "libtorrent/config.hpp"
  
  #if defined TORRENT_WINDOWS || defined TORRENT_CYGWIN
  // asio assumes that the windows error codes are defined already
  #include <winsock2.h>
  #endif
  
  #if BOOST_VERSION < 103500
  #include <asio/error_code.hpp>
  #else
  #include <boost/system/error_code.hpp>
  #endif
  
  #include "libtorrent/string_util.hpp" // for allocate_string_copy
  #include <stdlib.h> // free
  
  namespace libtorrent
  {
  
  	namespace errors
  	{
  		enum error_code_enum
  		{
  			no_error = 0,
  			file_collision,
  			failed_hash_check,
  			torrent_is_no_dict,
  			torrent_missing_info,
  			torrent_info_no_dict,
  			torrent_missing_piece_length,
  			torrent_missing_name,
  			torrent_invalid_name,
  			torrent_invalid_length,
  			torrent_file_parse_failed,
  			torrent_missing_pieces,
  			torrent_invalid_hashes,
  			too_many_pieces_in_torrent,
  			invalid_swarm_metadata,
  			invalid_bencoding,
  			no_files_in_torrent,
  			invalid_escaped_string,
  			session_is_closing,
  			duplicate_torrent,
  			invalid_torrent_handle,
  			invalid_entry_type,
  			missing_info_hash_in_uri,
  			file_too_short,
  			unsupported_url_protocol,
  			url_parse_error,
  			peer_sent_empty_piece,
  			parse_failed,
  			invalid_file_tag,
  			missing_info_hash,
  			mismatching_info_hash,
  			invalid_hostname,
  			invalid_port,
  			port_blocked,
  			expected_close_bracket_in_address,
  			destructing_torrent,
  			timed_out,
  			upload_upload_connection,
  			uninteresting_upload_peer,
  			invalid_info_hash,
  			torrent_paused,
  			invalid_have,
  			invalid_bitfield_size,
  			too_many_requests_when_choked,
  			invalid_piece,
  			no_memory,
  			torrent_aborted,
  			self_connection,
  			invalid_piece_size,
  			timed_out_no_interest,
  			timed_out_inactivity,
  			timed_out_no_handshake,
  			timed_out_no_request,
  			invalid_choke,
  			invalid_unchoke,
  			invalid_interested,
  			invalid_not_interested,
  			invalid_request,
  			invalid_hash_list,
  			invalid_hash_piece,
  			invalid_cancel,
  			invalid_dht_port,
  			invalid_suggest,
  			invalid_have_all,
  			invalid_have_none,
  			invalid_reject,
  			invalid_allow_fast,
  			invalid_extended,
  			invalid_message,
  			sync_hash_not_found,
  			invalid_encryption_constant,
  			no_plaintext_mode,
  			no_rc4_mode,
  			unsupported_encryption_mode,
  			unsupported_encryption_mode_selected,
  			invalid_pad_size,
  			invalid_encrypt_handshake,
  			no_incoming_encrypted,
  			no_incoming_regular,
  			duplicate_peer_id,
  			torrent_removed,
  			packet_too_large,
  			reserved,
  			http_error,
  			missing_location,
  			invalid_redirection,
  			redirecting,
  			invalid_range,
  			no_content_length,
  			banned_by_ip_filter,
  			too_many_connections,
  			peer_banned,
  			stopping_torrent,
  			too_many_corrupt_pieces,
  			torrent_not_ready,
  			peer_not_constructed,
  			session_closing,
  			optimistic_disconnect,
  			torrent_finished,
  			no_router,
  			metadata_too_large,
  			invalid_metadata_request,
  			invalid_metadata_size,
  			invalid_metadata_offset,
  			invalid_metadata_message,
  			pex_message_too_large,
  			invalid_pex_message,
  			invalid_lt_tracker_message,
  			too_frequent_pex,
  			no_metadata,
  			invalid_dont_have,
  			requires_ssl_connection,
  			invalid_ssl_cert,
  			reserved113,
  			reserved114,
  			reserved115,
  			reserved116,
  			reserved117,
  			reserved118,
  			reserved119,
  
  // natpmp errors
  			unsupported_protocol_version, // 120
  			natpmp_not_authorized,
  			network_failure,
  			no_resources,
  			unsupported_opcode,
  			reserved125,
  			reserved126,
  			reserved127,
  			reserved128,
  			reserved129,
  
  // fastresume errors
  			missing_file_sizes, // 130
  			no_files_in_resume_data,
  			missing_pieces,
  			mismatching_number_of_files,
  			mismatching_file_size,
  			mismatching_file_timestamp,
  			not_a_dictionary,
  			invalid_blocks_per_piece,
  			missing_slots,
  			too_many_slots,
  			invalid_slot_list,
  			invalid_piece_index,
  			pieces_need_reorder,
  			reserved143,
  			reserved144,
  			reserved145,
  			reserved146,
  			reserved147,
  			reserved148,
  			reserved149,
  
  // HTTP errors
  			http_parse_error, // 150
  			http_missing_location,
  			http_failed_decompress,
  			reserved153,
  			reserved154,
  			reserved155,
  			reserved156,
  			reserved157,
  			reserved158,
  			reserved159,
  
  // i2p errors
  			no_i2p_router, // 160
  			reserved161,
  			reserved162,
  			reserved163,
  			reserved164,
  			reserved165,
  			reserved166,
  			reserved167,
  			reserved168,
  			reserved169,
  
  // tracker errors
  			scrape_not_available, // 170
  			invalid_tracker_response,
  			invalid_peer_dict,
  			tracker_failure,
  			invalid_files_entry,
  			invalid_hash_entry,
  			invalid_peers_entry,
  			invalid_tracker_response_length,
  			invalid_tracker_transaction_id,
  			invalid_tracker_action,
  			reserved180,
  			reserved181,
  			reserved182,
  			reserved183,
  			reserved184,
  			reserved185,
  			reserved186,
  			reserved187,
  			reserved188,
  			reserved189,
  
  // bdecode errors
  			expected_string, // 190
  			expected_colon,
  			unexpected_eof,
  			expected_value,
  			depth_exceeded,
  			limit_exceeded,
  
  			error_code_max
  		};
  
  		enum http_errors
  		{
  			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
  		};
  	}
  }
  
  #if BOOST_VERSION >= 103500
  
  namespace boost { namespace system {
  
  	template<> struct is_error_code_enum<libtorrent::errors::error_code_enum>
  	{ static const bool value = true; };
  
  	template<> struct is_error_condition_enum<libtorrent::errors::error_code_enum>
  	{ static const bool value = true; };
  } }
  
  #endif
  
  namespace libtorrent
  {
  
  #if BOOST_VERSION < 103500
  	typedef asio::error_code error_code;
  	// hidden
  	inline asio::error::error_category get_posix_category() { return asio::error::system_category; }
  	// hidden
  	inline asio::error::error_category get_system_category() { return asio::error::system_category; }
  
  	// hidden
  	boost::system::error_category const& get_libtorrent_category()
  	{
  		static ::asio::error::error_category libtorrent_category(20);
  		return libtorrent_category;
  	}
  
  	// hidden
  	boost::system::error_category const& get_http_category()
  	{
  		static ::asio::error::error_category http_category(21);
  		return http_category;
  	}
  
  #else
  
  	struct TORRENT_EXPORT libtorrent_error_category : boost::system::error_category
  	{
  		virtual const char* name() const throw();
  		virtual std::string message(int ev) const throw();
  		virtual boost::system::error_condition default_error_condition(int ev) const throw()
  		{ return boost::system::error_condition(ev, *this); }
  	};
  
  	struct TORRENT_EXPORT http_error_category : boost::system::error_category
  	{
  		virtual const char* name() const throw();
  		virtual std::string message(int ev) const throw();
  		virtual boost::system::error_condition default_error_condition(int ev) const throw()
  		{ return boost::system::error_condition(ev, *this); }
  	};
  
  	TORRENT_EXPORT boost::system::error_category& get_libtorrent_category();
  	TORRENT_EXPORT boost::system::error_category& get_http_category();
  
  	namespace errors
  	{
  		// hidden
  		inline boost::system::error_code make_error_code(error_code_enum e)
  		{
  			return boost::system::error_code(e, get_libtorrent_category());
  		}
  	}
  
  	using boost::system::error_code;
  
  	// hidden
  	inline boost::system::error_category const& get_system_category()
  #if BOOST_VERSION < 104400
  	{ return boost::system::get_system_category(); }
  #else
  	{ return boost::system::system_category(); }
  #endif
  
  	// hidden
  	inline boost::system::error_category const& get_posix_category()
  #if BOOST_VERSION < 103600
  	{ return boost::system::get_posix_category(); }
  #elif BOOST_VERSION < 104400
  	{ return boost::system::get_generic_category(); }
  #else
  	{ return boost::system::generic_category(); }
  #endif // BOOST_VERSION < 103600
  #endif // BOOST_VERSION < 103500
  
  #ifndef BOOST_NO_EXCEPTIONS
  	struct TORRENT_EXPORT libtorrent_exception: std::exception
  	{
  		libtorrent_exception(error_code const& s): m_error(s), m_msg(0) {}
  		virtual const char* what() const throw();
  		virtual ~libtorrent_exception() throw();
  		error_code error() const { return m_error; }
  	private:
  		error_code m_error;
  		mutable char* m_msg;
  	};
  #endif
  }
  
  #endif
  
  