bab4474274* Network selector * Make sure network option is checked before working path is called (migration). Also remove bool assignment from error. * Formatting * Fix merge error * Use network_params for RPC port config (rebase) * Formatting * Rebase * Rebase (debug_opencl, merge fix) * Rebase fix * post-rebase update
407 lines
12 KiB
C++
407 lines
12 KiB
C++
#pragma once
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#include <nano/lib/config.hpp>
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#include <nano/lib/interface.h>
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#include <nano/secure/common.hpp>
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#include <boost/asio.hpp>
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#include <bitset>
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#include <crypto/xxhash/xxhash.h>
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namespace nano
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{
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using endpoint = boost::asio::ip::udp::endpoint;
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bool parse_port (std::string const &, uint16_t &);
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bool parse_address_port (std::string const &, boost::asio::ip::address &, uint16_t &);
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using tcp_endpoint = boost::asio::ip::tcp::endpoint;
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bool parse_endpoint (std::string const &, nano::endpoint &);
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bool parse_tcp_endpoint (std::string const &, nano::tcp_endpoint &);
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bool reserved_address (nano::endpoint const &, bool = false);
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}
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namespace
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{
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uint64_t endpoint_hash_raw (nano::endpoint const & endpoint_a)
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{
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assert (endpoint_a.address ().is_v6 ());
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nano::uint128_union address;
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address.bytes = endpoint_a.address ().to_v6 ().to_bytes ();
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XXH64_state_t * const state = XXH64_createState ();
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XXH64_reset (state, 0);
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XXH64_update (state, address.bytes.data (), address.bytes.size ());
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auto port (endpoint_a.port ());
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XXH64_update (state, &port, sizeof (port));
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auto result (XXH64_digest (state));
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XXH64_freeState (state);
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return result;
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}
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uint64_t endpoint_hash_raw (nano::tcp_endpoint const & endpoint_a)
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{
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assert (endpoint_a.address ().is_v6 ());
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nano::uint128_union address;
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address.bytes = endpoint_a.address ().to_v6 ().to_bytes ();
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XXH64_state_t * const state = XXH64_createState ();
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XXH64_reset (state, 0);
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XXH64_update (state, address.bytes.data (), address.bytes.size ());
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auto port (endpoint_a.port ());
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XXH64_update (state, &port, sizeof (port));
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auto result (XXH64_digest (state));
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XXH64_freeState (state);
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return result;
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}
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uint64_t ip_address_hash_raw (boost::asio::ip::address const & ip_a)
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{
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assert (ip_a.is_v6 ());
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nano::uint128_union bytes;
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bytes.bytes = ip_a.to_v6 ().to_bytes ();
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auto result (XXH64 (bytes.bytes.data (), bytes.bytes.size (), 0));
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return result;
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}
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template <size_t size>
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struct endpoint_hash
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{
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};
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template <>
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struct endpoint_hash<8>
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{
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size_t operator() (nano::endpoint const & endpoint_a) const
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{
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return endpoint_hash_raw (endpoint_a);
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}
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size_t operator() (nano::tcp_endpoint const & endpoint_a) const
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{
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return endpoint_hash_raw (endpoint_a);
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}
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};
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template <>
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struct endpoint_hash<4>
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{
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size_t operator() (nano::endpoint const & endpoint_a) const
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{
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uint64_t big (endpoint_hash_raw (endpoint_a));
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uint32_t result (static_cast<uint32_t> (big) ^ static_cast<uint32_t> (big >> 32));
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return result;
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}
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size_t operator() (nano::tcp_endpoint const & endpoint_a) const
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{
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uint64_t big (endpoint_hash_raw (endpoint_a));
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uint32_t result (static_cast<uint32_t> (big) ^ static_cast<uint32_t> (big >> 32));
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return result;
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}
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};
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template <size_t size>
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struct ip_address_hash
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{
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};
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template <>
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struct ip_address_hash<8>
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{
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size_t operator() (boost::asio::ip::address const & ip_address_a) const
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{
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return ip_address_hash_raw (ip_address_a);
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}
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};
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template <>
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struct ip_address_hash<4>
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{
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size_t operator() (boost::asio::ip::address const & ip_address_a) const
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{
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uint64_t big (ip_address_hash_raw (ip_address_a));
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uint32_t result (static_cast<uint32_t> (big) ^ static_cast<uint32_t> (big >> 32));
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return result;
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}
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};
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}
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namespace std
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{
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template <>
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struct hash<::nano::endpoint>
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{
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size_t operator() (::nano::endpoint const & endpoint_a) const
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{
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endpoint_hash<sizeof (size_t)> ehash;
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return ehash (endpoint_a);
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}
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};
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template <>
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struct hash<::nano::tcp_endpoint>
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{
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size_t operator() (::nano::tcp_endpoint const & endpoint_a) const
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{
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endpoint_hash<sizeof (size_t)> ehash;
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return ehash (endpoint_a);
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}
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};
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template <>
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struct hash<boost::asio::ip::address>
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{
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size_t operator() (boost::asio::ip::address const & ip_a) const
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{
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ip_address_hash<sizeof (size_t)> ihash;
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return ihash (ip_a);
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}
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};
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}
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namespace boost
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{
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template <>
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struct hash<::nano::endpoint>
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{
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size_t operator() (::nano::endpoint const & endpoint_a) const
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{
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std::hash<::nano::endpoint> hash;
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return hash (endpoint_a);
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}
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};
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}
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namespace nano
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{
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/**
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* Message types are serialized to the network and existing values must thus never change as
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* types are added, removed and reordered in the enum.
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*/
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enum class message_type : uint8_t
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{
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invalid = 0x0,
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not_a_type = 0x1,
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keepalive = 0x2,
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publish = 0x3,
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confirm_req = 0x4,
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confirm_ack = 0x5,
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bulk_pull = 0x6,
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bulk_push = 0x7,
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frontier_req = 0x8,
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/* deleted 0x9 */
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node_id_handshake = 0x0a,
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bulk_pull_account = 0x0b
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};
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enum class bulk_pull_account_flags : uint8_t
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{
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pending_hash_and_amount = 0x0,
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pending_address_only = 0x1,
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pending_hash_amount_and_address = 0x2
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};
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class message_visitor;
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class message_header
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{
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public:
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message_header (nano::message_type);
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message_header (bool &, nano::stream &);
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void serialize (nano::stream &) const;
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bool deserialize (nano::stream &);
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nano::block_type block_type () const;
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void block_type_set (nano::block_type);
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uint8_t version_max;
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uint8_t version_using;
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uint8_t version_min;
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nano::message_type type;
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std::bitset<16> extensions;
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static size_t constexpr bulk_pull_count_present_flag = 0;
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bool bulk_pull_is_count_present () const;
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/** Size of the payload in bytes. For some messages, the payload size is based on header flags. */
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size_t payload_length_bytes () const;
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static std::bitset<16> constexpr block_type_mask = std::bitset<16> (0x0f00);
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};
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class message
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{
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public:
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message (nano::message_type);
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message (nano::message_header const &);
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virtual ~message () = default;
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virtual void serialize (nano::stream &) const = 0;
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virtual void visit (nano::message_visitor &) const = 0;
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virtual std::shared_ptr<std::vector<uint8_t>> to_bytes () const
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{
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std::shared_ptr<std::vector<uint8_t>> bytes (new std::vector<uint8_t>);
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nano::vectorstream stream (*bytes);
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serialize (stream);
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return bytes;
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}
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nano::message_header header;
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};
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class work_pool;
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class message_parser
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{
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public:
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enum class parse_status
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{
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success,
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insufficient_work,
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invalid_header,
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invalid_message_type,
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invalid_keepalive_message,
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invalid_publish_message,
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invalid_confirm_req_message,
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invalid_confirm_ack_message,
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invalid_node_id_handshake_message,
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outdated_version,
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invalid_magic,
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invalid_network
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};
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message_parser (nano::block_uniquer &, nano::vote_uniquer &, nano::message_visitor &, nano::work_pool &);
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void deserialize_buffer (uint8_t const *, size_t);
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void deserialize_keepalive (nano::stream &, nano::message_header const &);
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void deserialize_publish (nano::stream &, nano::message_header const &);
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void deserialize_confirm_req (nano::stream &, nano::message_header const &);
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void deserialize_confirm_ack (nano::stream &, nano::message_header const &);
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void deserialize_node_id_handshake (nano::stream &, nano::message_header const &);
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bool at_end (nano::stream &);
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nano::block_uniquer & block_uniquer;
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nano::vote_uniquer & vote_uniquer;
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nano::message_visitor & visitor;
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nano::work_pool & pool;
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parse_status status;
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std::string status_string ();
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static const size_t max_safe_udp_message_size;
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};
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class keepalive : public message
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{
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public:
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keepalive (bool &, nano::stream &, nano::message_header const &);
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keepalive ();
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void visit (nano::message_visitor &) const override;
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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bool operator== (nano::keepalive const &) const;
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std::array<nano::endpoint, 8> peers;
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static size_t constexpr size = 8 * (16 + 2);
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};
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class publish : public message
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{
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public:
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publish (bool &, nano::stream &, nano::message_header const &, nano::block_uniquer * = nullptr);
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publish (std::shared_ptr<nano::block>);
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void visit (nano::message_visitor &) const override;
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &, nano::block_uniquer * = nullptr);
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bool operator== (nano::publish const &) const;
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std::shared_ptr<nano::block> block;
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};
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class confirm_req : public message
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{
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public:
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confirm_req (bool &, nano::stream &, nano::message_header const &, nano::block_uniquer * = nullptr);
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confirm_req (std::shared_ptr<nano::block>);
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confirm_req (std::vector<std::pair<nano::block_hash, nano::block_hash>> const &);
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confirm_req (nano::block_hash const &, nano::block_hash const &);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &, nano::block_uniquer * = nullptr);
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void visit (nano::message_visitor &) const override;
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bool operator== (nano::confirm_req const &) const;
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std::shared_ptr<nano::block> block;
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std::vector<std::pair<nano::block_hash, nano::block_hash>> roots_hashes;
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std::string roots_string () const;
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};
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class confirm_ack : public message
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{
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public:
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confirm_ack (bool &, nano::stream &, nano::message_header const &, nano::vote_uniquer * = nullptr);
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confirm_ack (std::shared_ptr<nano::vote>);
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void serialize (nano::stream &) const override;
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void visit (nano::message_visitor &) const override;
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bool operator== (nano::confirm_ack const &) const;
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std::shared_ptr<nano::vote> vote;
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};
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class frontier_req : public message
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{
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public:
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frontier_req ();
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frontier_req (bool &, nano::stream &, nano::message_header const &);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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void visit (nano::message_visitor &) const override;
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bool operator== (nano::frontier_req const &) const;
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nano::account start;
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uint32_t age;
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uint32_t count;
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static size_t constexpr size = sizeof (start) + sizeof (age) + sizeof (count);
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};
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class bulk_pull : public message
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{
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public:
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typedef uint32_t count_t;
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bulk_pull ();
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bulk_pull (bool &, nano::stream &, nano::message_header const &);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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void visit (nano::message_visitor &) const override;
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nano::uint256_union start;
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nano::block_hash end;
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count_t count;
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bool is_count_present () const;
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void set_count_present (bool);
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static size_t constexpr count_present_flag = nano::message_header::bulk_pull_count_present_flag;
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static size_t constexpr extended_parameters_size = 8;
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static size_t constexpr size = sizeof (start) + sizeof (end);
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};
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class bulk_pull_account : public message
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{
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public:
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bulk_pull_account ();
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bulk_pull_account (bool &, nano::stream &, nano::message_header const &);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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void visit (nano::message_visitor &) const override;
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nano::uint256_union account;
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nano::uint128_union minimum_amount;
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bulk_pull_account_flags flags;
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static size_t constexpr size = sizeof (account) + sizeof (minimum_amount) + sizeof (bulk_pull_account_flags);
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};
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class bulk_push : public message
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{
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public:
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bulk_push ();
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bulk_push (nano::message_header const &);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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void visit (nano::message_visitor &) const override;
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};
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class node_id_handshake : public message
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{
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public:
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node_id_handshake (bool &, nano::stream &, nano::message_header const &);
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node_id_handshake (boost::optional<nano::block_hash>, boost::optional<std::pair<nano::account, nano::signature>>);
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void serialize (nano::stream &) const override;
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bool deserialize (nano::stream &);
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void visit (nano::message_visitor &) const override;
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bool operator== (nano::node_id_handshake const &) const;
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bool is_query_flag () const;
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void set_query_flag (bool);
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bool is_response_flag () const;
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void set_response_flag (bool);
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boost::optional<nano::uint256_union> query;
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boost::optional<std::pair<nano::account, nano::signature>> response;
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static size_t constexpr query_flag = 0;
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static size_t constexpr response_flag = 1;
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};
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class message_visitor
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{
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public:
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virtual void keepalive (nano::keepalive const &) = 0;
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virtual void publish (nano::publish const &) = 0;
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virtual void confirm_req (nano::confirm_req const &) = 0;
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virtual void confirm_ack (nano::confirm_ack const &) = 0;
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virtual void bulk_pull (nano::bulk_pull const &) = 0;
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virtual void bulk_pull_account (nano::bulk_pull_account const &) = 0;
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virtual void bulk_push (nano::bulk_push const &) = 0;
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virtual void frontier_req (nano::frontier_req const &) = 0;
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virtual void node_id_handshake (nano::node_id_handshake const &) = 0;
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virtual ~message_visitor ();
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};
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/**
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* Returns seconds passed since unix epoch (posix time)
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*/
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inline uint64_t seconds_since_epoch ()
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{
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return std::chrono::duration_cast<std::chrono::seconds> (std::chrono::system_clock::now ().time_since_epoch ()).count ();
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}
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}
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