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authorClaudius "keldu" Holeksa <mail@keldu.de>2023-07-20 17:02:05 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2023-07-20 17:02:05 +0200
commitfac9e8bec1983fa9dff8f447fef106e427dfec26 (patch)
tree2221d4216873fa8250dd5ff45f00d0d6b46eab26 /src/async/async.tmpl.h
parent398164432abcf599eaa51ebc4088024b7f46b97f (diff)
c++: Renamed src to c++
Diffstat (limited to 'src/async/async.tmpl.h')
-rw-r--r--src/async/async.tmpl.h767
1 files changed, 0 insertions, 767 deletions
diff --git a/src/async/async.tmpl.h b/src/async/async.tmpl.h
deleted file mode 100644
index 9569f60..0000000
--- a/src/async/async.tmpl.h
+++ /dev/null
@@ -1,767 +0,0 @@
-#pragma once
-
-#include <forstio/core/common.h>
-#include <forstio/core/error.h>
-
-#include <cassert>
-// Template inlining
-
-namespace saw {
-
-template <typename Func> conveyor_result<Func, void> execLater(Func &&func) {
- conveyor<void> conveyor{fix_void<void>{}};
- return conveyor.then(std::move(func));
-}
-
-template <typename T>
-conveyor<T>::conveyor(fix_void<T> value) : conveyor_base(nullptr) {
- // Is there any way to do this?
- // @todo new conveyor_base constructor for Immediate values
-
- own<immediate_conveyor_node<fix_void<T>>> immediate =
- heap<immediate_conveyor_node<fix_void<T>>>(std::move(value));
-
- if (!immediate) {
- return;
- }
-
- node_ = std::move(immediate);
-}
-
-template <typename T>
-conveyor<T>::conveyor(error &&err) : conveyor_base(nullptr) {
- own<immediate_conveyor_node<fix_void<T>>> immediate =
- heap<immediate_conveyor_node<fix_void<T>>>(std::move(err));
-
- if (!immediate) {
- return;
- }
-
- node_ = std::move(immediate);
-}
-
-template <typename T>
-conveyor<T>::conveyor(own<conveyor_node> node_p)
- : conveyor_base{std::move(node_p)} {}
-
-template <typename T>
-template <typename Func, typename ErrorFunc>
-conveyor_result<Func, T> conveyor<T>::then(Func &&func,
- ErrorFunc &&error_func) {
- own<conveyor_node> conversion_node =
- heap<convert_conveyor_node<fix_void<return_type<Func, T>>, fix_void<T>,
- Func, ErrorFunc>>(
- std::move(node_), std::move(func), std::move(error_func));
-
- return conveyor<remove_error_or<return_type<Func, T>>>::to_conveyor(
- std::move(conversion_node));
-}
-
-template <typename T> conveyor<T> conveyor<T>::buffer(size_t size) {
- SAW_ASSERT(node_) { return conveyor<T>{own<conveyor_node>{nullptr}}; }
- conveyor_storage *storage = node_->next_storage();
- SAW_ASSERT(storage) { return conveyor<T>{own<conveyor_node>{nullptr}}; }
-
- own<queue_buffer_conveyor_node<fix_void<T>>> storage_node =
- heap<queue_buffer_conveyor_node<fix_void<T>>>(std::move(node_), size);
-
- conveyor_storage *storage_ptr =
- static_cast<conveyor_storage *>(storage_node.get());
-
- storage->set_parent(storage_ptr);
- return conveyor<T>{std::move(storage_node)};
-}
-
-template <typename T>
-template <typename... Args>
-conveyor<T> conveyor<T>::attach(Args &&...args) {
- own<attach_conveyor_node<Args...>> attach_node =
- heap<attach_conveyor_node<Args...>>(std::move(node_),
- std::move(args...));
- return conveyor<T>{std::move(attach_node)};
-}
-
-template <typename T>
-std::pair<conveyor<T>, merge_conveyor<T>> conveyor<T>::merge() {
- our<merge_conveyor_node_data<T>> data =
- share<merge_conveyor_node_data<T>>();
-
- own<merge_conveyor_node<T>> merge_node = heap<merge_conveyor_node<T>>(data);
-
- SAW_ASSERT(node_) {
- return std::make_pair(conveyor<T>{own<conveyor_node>{nullptr}},
- merge_conveyor<T>{});
- }
- conveyor_storage *storage = node_->next_storage();
- SAW_ASSERT(storage) {
- return std::make_pair(conveyor<T>{own<conveyor_node>{nullptr}},
- merge_conveyor<T>{});
- }
-
- data->attach(conveyor<T>::to_conveyor(std::move(node_)));
-
- merge_conveyor<T> node_ref{data};
-
- return std::make_pair(conveyor<T>{std::move(merge_node)},
- std::move(node_ref));
-}
-
-template <>
-template <typename ErrorFunc>
-conveyor_sink conveyor<void>::sink(ErrorFunc &&error_func) {
- conveyor_storage *storage = node_->next_storage();
- SAW_ASSERT(storage) { return conveyor_sink{}; }
-
- own<sink_conveyor_node> sink_node =
- heap<sink_conveyor_node>(std::move(node_));
- conveyor_storage *storage_ptr =
- static_cast<conveyor_storage *>(sink_node.get());
-
- storage->set_parent(storage_ptr);
-
- return conveyor_sink{std::move(sink_node)};
-}
-
-void detach_conveyor(conveyor<void> &&conveyor);
-
-template <typename T>
-template <typename ErrorFunc>
-void conveyor<T>::detach(ErrorFunc &&func) {
- detach_conveyor(std::move(then([](T &&) {}, std::move(func))));
-}
-
-template <>
-template <typename ErrorFunc>
-void conveyor<void>::detach(ErrorFunc &&func) {
- detach_conveyor(std::move(then([]() {}, std::move(func))));
-}
-
-template <typename T>
-conveyor<T> conveyor<T>::to_conveyor(own<conveyor_node> node) {
- return conveyor<T>{std::move(node)};
-}
-
-template <typename T>
-own<conveyor_node> conveyor<T>::from_conveyor(conveyor<T> conveyor) {
- return std::move(conveyor.node_);
-}
-
-template <typename T> error_or<fix_void<T>> conveyor<T>::take() {
- SAW_ASSERT(node_) {
- return error_or<fix_void<T>>{
- make_error<err::invalid_state>("conveyor in invalid state")};
- }
- conveyor_storage *storage = node_->next_storage();
- if (storage) {
- if (storage->queued() > 0) {
- error_or<fix_void<T>> result;
- node_->get_result(result);
- return result;
- } else {
- return error_or<fix_void<T>>{
- make_error<err::buffer_exhausted>("conveyor buffer has no elements")};
- }
- } else {
- return error_or<fix_void<T>>{
- make_error<err::invalid_state>("conveyor node has no child storage")};
- }
-}
-
-template <typename T> conveyor_and_feeder<T> new_conveyor_and_feeder() {
- own<adapt_conveyor_feeder<fix_void<T>>> feeder =
- heap<adapt_conveyor_feeder<fix_void<T>>>();
- own<adapt_conveyor_node<fix_void<T>>> node =
- heap<adapt_conveyor_node<fix_void<T>>>();
-
- feeder->set_feedee(node.get());
- node->set_feeder(feeder.get());
-
- return conveyor_and_feeder<T>{std::move(feeder),
- conveyor<T>::to_conveyor(std::move(node))};
-}
-
-// QueueBuffer
-template <typename T> void queue_buffer_conveyor_node<T>::fire() {
- if (child_mixin_.child) {
- if (!storage_.empty()) {
- if (storage_.front().is_error()) {
- if (storage_.front().get_error().is_critical()) {
- child_mixin_.child = nullptr;
- }
- }
- }
- }
-
- bool has_space_before_fire = space() > 0;
-
- if (parent_) {
- parent_->child_has_fired();
- if (!storage_.empty() && parent_->space() > 0) {
- arm_later();
- }
- }
-
- if (!child_mixin_.child) {
- while (!storage_.empty()) {
- storage_.pop();
- }
- return;
- }
-
- conveyor_storage *ch_storage = child_mixin_.child->next_storage();
- if (ch_storage && !has_space_before_fire) {
- ch_storage->parent_has_fired();
- }
-}
-
-template <typename T>
-void queue_buffer_conveyor_node<T>::get_result(error_or_value &eov) noexcept {
- error_or<T> &err_or_val = eov.as<T>();
- err_or_val = std::move(storage_.front());
- storage_.pop();
-}
-
-template <typename T> size_t queue_buffer_conveyor_node<T>::space() const {
- return max_store_ - storage_.size();
-}
-
-template <typename T> size_t queue_buffer_conveyor_node<T>::queued() const {
- return storage_.size();
-}
-
-template <typename T> void queue_buffer_conveyor_node<T>::child_has_fired() {
- if (child_mixin_.child && storage_.size() < max_store_) {
- error_or<T> eov;
- child_mixin_.child->get_result(eov);
-
- if (eov.is_error()) {
- if (eov.get_error().is_critical()) {
- }
- }
-
- storage_.push(std::move(eov));
- if (!is_armed()) {
- arm_later();
- }
- }
-}
-
-template <typename T> void queue_buffer_conveyor_node<T>::parent_has_fired() {
- SAW_ASSERT(parent_) { return; }
-
- if (parent_->space() == 0) {
- return;
- }
-
- if (queued() > 0) {
- arm_later();
- }
-}
-
-template <typename T>
-immediate_conveyor_node<T>::immediate_conveyor_node(fix_void<T> &&val)
- : value_{std::move(val)}, retrieved_{0} {}
-
-template <typename T>
-immediate_conveyor_node<T>::immediate_conveyor_node(error &&error)
- : value_{std::move(error)}, retrieved_{0} {}
-
-template <typename T> size_t immediate_conveyor_node<T>::space() const {
- return 0;
-}
-
-template <typename T> size_t immediate_conveyor_node<T>::queued() const {
- return retrieved_ > 1 ? 0 : 1;
-}
-
-template <typename T> void immediate_conveyor_node<T>::child_has_fired() {
- // Impossible case
- assert(false);
-}
-
-template <typename T> void immediate_conveyor_node<T>::parent_has_fired() {
- SAW_ASSERT(parent_) { return; }
- assert(parent_->space() > 0);
-
- if (queued() > 0) {
- arm_next();
- }
-}
-
-template <typename T> void immediate_conveyor_node<T>::fire() {
-
- if (parent_) {
- parent_->child_has_fired();
- if (queued() > 0 && parent_->space() > 0) {
- arm_last();
- }
- }
-}
-
-template <typename T>
-merge_conveyor<T>::merge_conveyor(lent<merge_conveyor_node_data<T>> d)
- : data_{std::move(d)} {}
-
-template <typename T> merge_conveyor<T>::~merge_conveyor() {}
-
-template <typename T> void merge_conveyor<T>::attach(conveyor<T> conveyor) {
- auto sp = data_.lock();
- SAW_ASSERT(sp) { return; }
-
- sp->attach(std::move(conveyor));
-}
-
-template <typename T>
-merge_conveyor_node<T>::merge_conveyor_node(our<merge_conveyor_node_data<T>> d)
- : data_{d} {
- SAW_ASSERT(data_) { return; }
-
- data_->merger = this;
-}
-
-template <typename T> merge_conveyor_node<T>::~merge_conveyor_node() {}
-
-template <typename T>
-error_or<own<conveyor_node>>
-merge_conveyor_node<T>::swap_child(own<conveyor_node> &&swapee_) noexcept {
- (void)swapee_;
- return make_error<err::invalid_state>(
- "merge_conveyor_node<T>::appendage should block calls to this class");
-}
-
-template <typename T>
-void merge_conveyor_node<T>::get_result(error_or_value &eov) noexcept {
- error_or<fix_void<T>> &err_or_val = eov.as<fix_void<T>>();
-
- SAW_ASSERT(data_) { return; }
-
- /// @todo search appendages for result
-
- auto &appendages = data_->appendages;
- next_appendage_ = std::min(appendages.size(), next_appendage_);
-
- for (size_t i = next_appendage_; i < appendages.size(); ++i) {
- if (appendages[i]->queued() > 0) {
- err_or_val = std::move(appendages[i]->error_or_value_.value());
- appendages[i]->error_or_value_ = std::nullopt;
- next_appendage_ = i + 1;
- return;
- }
- }
- for (size_t i = 0; i < next_appendage_; ++i) {
- if (appendages[i]->queued() > 0) {
- err_or_val = std::move(appendages[i]->error_or_value_.value());
- appendages[i]->error_or_value_ = std::nullopt;
- next_appendage_ = i + 1;
- return;
- }
- }
-
- err_or_val = make_error<err::invalid_state>("No value in Merge appendages");
-}
-
-template <typename T> void merge_conveyor_node<T>::fire() {
- SAW_ASSERT(queued() > 0) { return; }
-
- if (parent_) {
- parent_->child_has_fired();
-
- if (queued() > 0 && parent_->space() > 0) {
- arm_later();
- }
- }
-}
-
-template <typename T> size_t merge_conveyor_node<T>::space() const { return 0; }
-
-template <typename T> size_t merge_conveyor_node<T>::queued() const {
- SAW_ASSERT(data_) { return 0; }
-
- size_t queue_count = 0;
-
- for (auto &iter : data_->appendages) {
- queue_count += iter->queued();
- }
-
- return queue_count;
-}
-
-template <typename T> void merge_conveyor_node<T>::child_has_fired() {
- /// This can never happen
- assert(false);
-}
-
-template <typename T> void merge_conveyor_node<T>::parent_has_fired() {
- SAW_ASSERT(parent_) { return; }
- if (queued() > 0) {
- if (parent_->space() > 0) {
- arm_later();
- }
- }
-}
-
-/**
- * merge_conveyor_node<T>::Apendage
- */
-
-template <typename T>
-error_or<own<conveyor_node>>
-merge_conveyor_node<T>::appendage::swap_child(own<conveyor_node> &&swapee_) {
- own<conveyor_node> old_child = std::move(child);
-
- child = std::move(swapee_);
-
- // This case should never happen
- SAW_ASSERT(old_child) { return make_error<err::invalid_state>("No child exists"); }
-
- return old_child;
-}
-
-template <typename T>
-void merge_conveyor_node<T>::appendage::get_result(error_or_value &eov) {
- error_or<fix_void<T>> &err_or_val = eov.as<fix_void<T>>();
-
- SAW_ASSERT(queued() > 0) {
- err_or_val =
- make_error<err::invalid_state>("No element queued in Merge appendage Node");
- return;
- }
-
- err_or_val = std::move(error_or_value_.value());
- error_or_value_ = std::nullopt;
-}
-
-template <typename T> size_t merge_conveyor_node<T>::appendage::space() const {
- SAW_ASSERT(merger) { return 0; }
-
- if (error_or_value_.has_value()) {
- return 0;
- }
-
- return 1;
-}
-
-template <typename T> size_t merge_conveyor_node<T>::appendage::queued() const {
- SAW_ASSERT(merger) { return 0; }
-
- if (error_or_value_.has_value()) {
- return 1;
- }
-
- return 0;
-}
-
-/// @todo delete this function. Replaced by the regular get_result
-template <typename T>
-void merge_conveyor_node<T>::appendage::get_appendage_result(
- error_or_value &eov) {
- error_or<fix_void<T>> &err_or_val = eov.as<fix_void<T>>();
-
- SAW_ASSERT(queued() > 0) {
- err_or_val =
- make_error<err::invalid_state>("No element queued in Merge appendage Node");
- return;
- }
-
- err_or_val = std::move(error_or_value_.value());
- error_or_value_ = std::nullopt;
-}
-
-template <typename T>
-void merge_conveyor_node<T>::appendage::child_has_fired() {
- SAW_ASSERT(!error_or_value_.has_value()) { return; }
- error_or<fix_void<T>> eov;
- child->get_result(eov);
-
- error_or_value_ = std::move(eov);
-
- if (!merger->is_armed()) {
- merger->arm_later();
- }
-}
-
-template <typename T>
-void merge_conveyor_node<T>::appendage::parent_has_fired() {
- conveyor_storage *child_storage = child->next_storage();
- if (child_storage) {
- child_storage->parent_has_fired();
- }
-}
-
-template <typename T>
-void merge_conveyor_node<T>::appendage::set_parent(conveyor_storage *par) {
- SAW_ASSERT(merger) { return; }
-
- SAW_ASSERT(child) { return; }
-
- parent_ = par;
-}
-
-template <typename T>
-void merge_conveyor_node_data<T>::attach(conveyor<T> conv) {
- auto nas = conveyor<T>::from_conveyor(std::move(conv));
- SAW_ASSERT(nas) { return; }
- conveyor_storage *storage = nas->next_storage();
- SAW_ASSERT(storage) { return; }
-
- auto merge_node_appendage =
- heap<typename merge_conveyor_node<T>::appendage>(std::move(nas),
- *merger);
- auto merge_node_appendage_ptr = merge_node_appendage.get();
-
- storage->set_parent(merge_node_appendage.get());
-
- SAW_ASSERT(merger) { return; }
-
- conveyor_storage *mrg_storage = merger->next_storage();
- SAW_ASSERT(mrg_storage) { return; }
-
- merge_node_appendage->set_parent(mrg_storage);
-
- appendages.push_back(std::move(merge_node_appendage));
-
- /// @todo return this. necessary? maybe for the weird linking setup
- /// maybe not
- // return merge_node_appendage_ptr;
-}
-
-template <typename T>
-void merge_conveyor_node_data<T>::governing_node_destroyed() {
- appendages.clear();
- merger = nullptr;
-}
-
-template <typename T> adapt_conveyor_feeder<T>::~adapt_conveyor_feeder() {
- if (feedee_) {
- feedee_->set_feeder(nullptr);
- feedee_ = nullptr;
- }
-}
-
-template <typename T>
-void adapt_conveyor_feeder<T>::set_feedee(adapt_conveyor_node<T> *feedee_p) {
- feedee_ = feedee_p;
-}
-
-template <typename T> void adapt_conveyor_feeder<T>::feed(T &&value) {
- if (feedee_) {
- feedee_->feed(std::move(value));
- }
-}
-
-template <typename T> void adapt_conveyor_feeder<T>::fail(error &&error) {
- if (feedee_) {
- feedee_->fail(std::move(error));
- }
-}
-
-template <typename T> size_t adapt_conveyor_feeder<T>::queued() const {
- if (feedee_) {
- return feedee_->queued();
- }
- return 0;
-}
-
-template <typename T> size_t adapt_conveyor_feeder<T>::space() const {
- if (feedee_) {
- return feedee_->space();
- }
- return 0;
-}
-
-template <typename T>
-error adapt_conveyor_feeder<T>::swap(conveyor<T> &&conv) noexcept {
- SAW_ASSERT(feedee_) { return make_error<err::invalid_state>("No feedee connected"); }
-
- auto node = conveyor<T>::from_conveyor(std::move(conv));
-
- feedee_->swap_child(std::move(node));
-
- return no_error();
-}
-
-template <typename T>
-adapt_conveyor_node<T>::adapt_conveyor_node() : conveyor_event_storage{} {}
-
-template <typename T> adapt_conveyor_node<T>::~adapt_conveyor_node() {
- if (feeder_) {
- feeder_->set_feedee(nullptr);
- feeder_ = nullptr;
- }
-}
-
-template <typename T>
-error_or<own<conveyor_node>>
-adapt_conveyor_node<T>::swap_child(own<conveyor_node> &&swapee) noexcept {
- // This should return the owning pointer of this instance
- auto myself_err = parent_node_.swap_child_of_parent(std::move(swapee));
-
- if (myself_err.is_error()) {
- return myself_err;
- }
-
- auto &myself = myself_err.get_value();
-
- assert(myself.get() == this);
-
- return myself_err;
-}
-
-template <typename T>
-conveyor_storage *adapt_conveyor_node<T>::next_storage() noexcept {
- return static_cast<conveyor_storage *>(this);
-}
-
-template <typename T>
-void adapt_conveyor_node<T>::notify_parent_attached(
- conveyor_node &par) noexcept {
- parent_node_.change_parent(&par);
-}
-
-template <typename T>
-void adapt_conveyor_node<T>::set_feeder(adapt_conveyor_feeder<T> *feeder_p) {
- feeder_ = feeder_p;
-}
-
-template <typename T> void adapt_conveyor_node<T>::feed(T &&value) {
- storage_.push(std::move(value));
- arm_next();
-}
-
-template <typename T> void adapt_conveyor_node<T>::fail(error &&error) {
- storage_.push(std::move(error));
- arm_next();
-}
-
-template <typename T> size_t adapt_conveyor_node<T>::queued() const {
- return storage_.size();
-}
-
-template <typename T> size_t adapt_conveyor_node<T>::space() const {
- return std::numeric_limits<size_t>::max() - storage_.size();
-}
-
-template <typename T>
-void adapt_conveyor_node<T>::get_result(error_or_value &err_or_val) {
- if (!storage_.empty()) {
- err_or_val.as<T>() = std::move(storage_.front());
- storage_.pop();
- } else {
- err_or_val.as<T>() = make_error<err::invalid_state>(
- "Signal for retrieval of storage sent even though no "
- "data is present");
- }
-}
-
-template <typename T> void adapt_conveyor_node<T>::child_has_fired() {
- // Adapt node has no children
- assert(false);
-}
-
-template <typename T> void adapt_conveyor_node<T>::parent_has_fired() {
- SAW_ASSERT(parent_) { return; }
-
- if (parent_->space() == 0) {
- return;
- }
-}
-
-template <typename T> void adapt_conveyor_node<T>::fire() {
- if (parent_) {
- parent_->child_has_fired();
-
- if (storage_.size() > 0) {
- arm_later();
- }
- }
-}
-
-template <typename T> one_time_conveyor_feeder<T>::~one_time_conveyor_feeder() {
- if (feedee_) {
- feedee_->set_feeder(nullptr);
- feedee_ = nullptr;
- }
-}
-
-template <typename T>
-void one_time_conveyor_feeder<T>::set_feedee(
- one_time_conveyor_node<T> *feedee_p) {
- feedee_ = feedee_p;
-}
-
-template <typename T> void one_time_conveyor_feeder<T>::feed(T &&value) {
- if (feedee_) {
- feedee_->feed(std::move(value));
- }
-}
-
-template <typename T> void one_time_conveyor_feeder<T>::fail(error &&error) {
- if (feedee_) {
- feedee_->fail(std::move(error));
- }
-}
-
-template <typename T> size_t one_time_conveyor_feeder<T>::queued() const {
- if (feedee_) {
- return feedee_->queued();
- }
- return 0;
-}
-
-template <typename T> size_t one_time_conveyor_feeder<T>::space() const {
- if (feedee_) {
- return feedee_->space();
- }
- return 0;
-}
-
-template <typename T> one_time_conveyor_node<T>::~one_time_conveyor_node() {
- if (feeder_) {
- feeder_->set_feedee(nullptr);
- feeder_ = nullptr;
- }
-}
-
-template <typename T>
-void one_time_conveyor_node<T>::set_feeder(
- one_time_conveyor_feeder<T> *feeder_p) {
- feeder_ = feeder_p;
-}
-
-template <typename T> void one_time_conveyor_node<T>::feed(T &&value) {
- storage_ = std::move(value);
- arm_next();
-}
-
-template <typename T> void one_time_conveyor_node<T>::fail(error &&error) {
- storage_ = std::move(error);
- arm_next();
-}
-
-template <typename T> size_t one_time_conveyor_node<T>::queued() const {
- return storage_.has_value() ? 1 : 0;
-}
-
-template <typename T> size_t one_time_conveyor_node<T>::space() const {
- return passed_ ? 0 : 1;
-}
-
-template <typename T>
-void one_time_conveyor_node<T>::get_result(error_or_value &err_or_val) {
- if (storage_.has_value()) {
- err_or_val.as<T>() = std::move(storage_.value());
- storage_ = std::nullopt;
- } else {
- err_or_val.as<T>() = make_error<err::invalid_state>(
- "Signal for retrieval of storage sent even though no "
- "data is present");
- }
-}
-
-template <typename T> void one_time_conveyor_node<T>::fire() {
- if (parent_) {
- parent_->child_has_fired();
- }
-}
-
-} // namespace saw