Green-Sky/tmp_solplug_ngcft1
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refactor to chunk index and harden sender to not send on already sending transfers

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Green Sky 2023-08-18 20:01:54 +02:00
parent 96669e0202
commit 04875e999f
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2 changed files with 42 additions and 21 deletions
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33
src/sha1_ngcft1.cpp
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@ -335,6 +335,23 @@ void SHA1_NGCFT1::iterate(float delta) {
auto chunk_idx_opt = ce.get<Components::FT1ChunkSHA1Cache>().chunkIndex(chunk_hash);
if (chunk_idx_opt.has_value()) {
// check if already sending
bool already_sending_to_this_peer = false;
if (_sending_transfers.count(combineIds(group_number, peer_number))) {
for (const auto& [_2, t] : _sending_transfers.at(combineIds(group_number, peer_number))) {
if (std::holds_alternative<SendingTransfer::Chunk>(t.v)) {
const auto& v = std::get<SendingTransfer::Chunk>(t.v);
if (v.content == ce && v.chunk_index == chunk_idx_opt.value()) {
// already sending
already_sending_to_this_peer = true;
break;
}
}
}
}
if (!already_sending_to_this_peer) {
const auto& info = ce.get<Components::FT1InfoSHA1>();
uint8_t transfer_id {0};
@ -348,8 +365,9 @@ void SHA1_NGCFT1::iterate(float delta) {
_sending_transfers
[combineIds(group_number, peer_number)]
[transfer_id] // TODO: also save index?
.v = SendingTransfer::Chunk{ce, chunk_idx_opt.value() * info.chunk_size};
.v = SendingTransfer::Chunk{ce, chunk_idx_opt.value()};
}
} // else just remove from queue
}
// remove from queue regardless
_queue_requested_chunk.pop_front();
@ -640,14 +658,14 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_init& e) {
assert(idx_opt.has_value());
const auto& info = ce.get<Components::FT1InfoSHA1>();
uint64_t offset_into_file = uint64_t(info.chunk_size) * idx_opt.value();
// TODO: check e.file_size
assert(e.file_size == info.chunkSize(idx_opt.value()));
_receiving_transfers
[combineIds(e.group_number, e.peer_number)]
[e.transfer_id]
.v = ReceivingTransfer::Chunk{ce, offset_into_file};
.v = ReceivingTransfer::Chunk{ce, idx_opt.value()};
e.accept = true;
@ -676,8 +694,8 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_data& e) {
info_data[i+e.data_offset] = e.data[i];
}
} else if (std::holds_alternative<ReceivingTransfer::Chunk>(tv)) {
const auto offset_into_file = std::get<ReceivingTransfer::Chunk>(tv).offset_into_file;
auto ce = std::get<ReceivingTransfer::Chunk>(tv).content;
const auto offset_into_file = std::get<ReceivingTransfer::Chunk>(tv).chunk_index * ce.get<Components::FT1InfoSHA1>().chunk_size;
assert(ce.all_of<Message::Components::Transfer::File>());
auto* file = ce.get<Message::Components::Transfer::File>().get();
@ -717,8 +735,9 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_send_data& e) {
}
} else if (std::holds_alternative<SendingTransfer::Chunk>(transfer.v)) {
auto& chunk_transfer = std::get<SendingTransfer::Chunk>(transfer.v);
const auto& info = chunk_transfer.content.get<Components::FT1InfoSHA1>();
// TODO: should we really use file?
const auto data = chunk_transfer.content.get<Message::Components::Transfer::File>()->read(chunk_transfer.offset_into_file + e.data_offset, e.data_size);
const auto data = chunk_transfer.content.get<Message::Components::Transfer::File>()->read((chunk_transfer.chunk_index * info.chunk_size) + e.data_offset, e.data_size);
// TODO: optimize
for (size_t i = 0; i < e.data_size && i < data.size(); i++) {
@ -796,12 +815,12 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_done& e) {
updateMessages(ce);
} else if (std::holds_alternative<ReceivingTransfer::Chunk>(tv)) {
const auto offset_into_file = std::get<ReceivingTransfer::Chunk>(tv).offset_into_file;
auto ce = std::get<ReceivingTransfer::Chunk>(tv).content;
const auto& info = ce.get<Components::FT1InfoSHA1>();
auto& cc = ce.get<Components::FT1ChunkSHA1Cache>();
const auto chunk_index = std::get<ReceivingTransfer::Chunk>(tv).chunk_index;
const auto offset_into_file = chunk_index * info.chunk_size;
const auto chunk_index = offset_into_file/info.chunk_size;
assert(chunk_index < info.chunks.size());
const auto chunk_size = info.chunkSize(chunk_index);
assert(offset_into_file+chunk_size <= info.file_size);

6
src/sha1_ngcft1.hpp
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@ -53,7 +53,8 @@ class SHA1_NGCFT1 : public RegistryMessageModelEventI, public NGCFT1EventI {
struct Chunk {
ContentHandle content;
uint64_t offset_into_file;
size_t chunk_index; // <.< remove offset_into_file
//uint64_t offset_into_file;
// or data?
// if memmapped, this would be just a pointer
};
@ -75,7 +76,8 @@ class SHA1_NGCFT1 : public RegistryMessageModelEventI, public NGCFT1EventI {
struct Chunk {
ContentHandle content;
uint64_t offset_into_file;
size_t chunk_index;
//uint64_t offset_into_file;
// or data?
// if memmapped, this would be just a pointer
};