Green Sky
92373d34f7
fix missing ft event on reset (oops) hard assert sending transfers can not time out higher level
131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
#pragma once
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// solanaceae port of sha1 fts for NGCFT1
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#include <solanaceae/object_store/object_store.hpp>
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#include <solanaceae/contact/contact_model3.hpp>
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#include <solanaceae/message3/registry_message_model.hpp>
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#include <solanaceae/tox_contacts/tox_contact_model2.hpp>
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#include <solanaceae/ngc_ft1/ngcft1.hpp>
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#include "./ft1_sha1_info.hpp"
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#include "./receiving_transfers.hpp"
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#include <entt/entity/registry.hpp>
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#include <entt/entity/handle.hpp>
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#include <entt/container/dense_map.hpp>
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#include <variant>
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#include <random>
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#include <atomic>
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#include <mutex>
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#include <list>
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class SHA1_NGCFT1 : public ToxEventI, public RegistryMessageModelEventI, public NGCFT1EventI, public NGCEXTEventI {
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ObjectStore2& _os;
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// TODO: backend abstraction
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Contact3Registry& _cr;
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RegistryMessageModel& _rmm;
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NGCFT1& _nft;
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ToxContactModel2& _tcm;
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ToxEventProviderI& _tep;
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NGCEXTEventProvider& _neep;
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std::minstd_rand _rng {1337*11};
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// limit this to each group?
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entt::dense_map<SHA1Digest, ObjectHandle> _info_to_content;
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// sha1 chunk index
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// TODO: optimize lookup
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// TODO: multiple contents. hashes might be unique, but data is not
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entt::dense_map<SHA1Digest, ObjectHandle> _chunks;
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// group_number, peer_number, content, chunk_hash, timer
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std::deque<std::tuple<uint32_t, uint32_t, ObjectHandle, SHA1Digest, float>> _queue_requested_chunk;
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//void queueUpRequestInfo(uint32_t group_number, uint32_t peer_number, const SHA1Digest& hash);
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void queueUpRequestChunk(uint32_t group_number, uint32_t peer_number, ObjectHandle content, const SHA1Digest& hash);
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struct SendingTransfer {
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struct Info {
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// copy of info data
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// too large?
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std::vector<uint8_t> info_data;
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};
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struct Chunk {
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ObjectHandle content;
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size_t chunk_index; // <.< remove offset_into_file
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//uint64_t offset_into_file;
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// or data?
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// if memmapped, this would be just a pointer
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};
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std::variant<Info, Chunk> v;
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float time_since_activity {0.f};
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};
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// key is groupid + peerid
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entt::dense_map<uint64_t, entt::dense_map<uint8_t, SendingTransfer>> _sending_transfers;
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ReceivingTransfers _receiving_transfers;
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// makes request rotate around open content
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std::deque<ObjectHandle> _queue_content_want_info;
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// workaround missing contact events
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// only used to remove participation on peer exit
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entt::dense_map<uint64_t, Contact3Handle> _tox_peer_to_contact;
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std::atomic_bool _info_builder_dirty {false};
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std::mutex _info_builder_queue_mutex;
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using InfoBuilderEntry = std::function<void(void)>;
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std::list<InfoBuilderEntry> _info_builder_queue;
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void updateMessages(ObjectHandle ce);
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std::optional<std::pair<uint32_t, uint32_t>> selectPeerForRequest(ObjectHandle ce);
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public: // TODO: config
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bool _udp_only {false};
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size_t _max_concurrent_in {4}; // info only
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size_t _max_concurrent_out {3*4}; // HACK: allow ideal number for 4 peers
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public:
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SHA1_NGCFT1(
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ObjectStore2& os,
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Contact3Registry& cr,
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RegistryMessageModel& rmm,
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NGCFT1& nft,
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ToxContactModel2& tcm,
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ToxEventProviderI& tep,
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NGCEXTEventProvider& neep
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);
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float iterate(float delta);
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protected: // rmm events (actions)
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bool onEvent(const Message::Events::MessageUpdated&) override;
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protected: // events
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bool onEvent(const Events::NGCFT1_recv_request&) override;
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bool onEvent(const Events::NGCFT1_recv_init&) override;
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bool onEvent(const Events::NGCFT1_recv_data&) override;
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bool onEvent(const Events::NGCFT1_send_data&) override; // const?
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bool onEvent(const Events::NGCFT1_recv_done&) override;
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bool onEvent(const Events::NGCFT1_send_done&) override;
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bool onEvent(const Events::NGCFT1_recv_message&) override;
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bool sendFilePath(const Contact3 c, std::string_view file_name, std::string_view file_path) override;
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bool onToxEvent(const Tox_Event_Group_Peer_Exit* e) override;
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bool onEvent(const Events::NGCEXT_ft1_have&) override;
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bool onEvent(const Events::NGCEXT_ft1_bitset&) override;
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bool onEvent(const Events::NGCEXT_pc1_announce&) override;
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};
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