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[scheduler] Make core timer ID collisions impossible with type-safe internal IDs (#13882)

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Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2026-02-09 13:16:22 -06:00
committed by GitHub
co-authored by Jonathan Swoboda
parent 6c6da8a3cd
commit e0712cc53b
10 changed files with 359 additions and 43 deletions
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esphome/components/binary_sensor/automation.cpp
+21 -13
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@@ -5,6 +5,14 @@ namespace esphome::binary_sensor {
static const char *const TAG = "binary_sensor.automation";
// MultiClickTrigger timeout IDs.
// MultiClickTrigger is its own Component instance, so the scheduler scopes
// IDs by component pointer — no risk of collisions between instances.
constexpr uint32_t MULTICLICK_TRIGGER_ID = 0;
constexpr uint32_t MULTICLICK_COOLDOWN_ID = 1;
constexpr uint32_t MULTICLICK_IS_VALID_ID = 2;
constexpr uint32_t MULTICLICK_IS_NOT_VALID_ID = 3;
void MultiClickTrigger::on_state_(bool state) {
// Handle duplicate events
if (state == this->last_state_) {
@@ -27,7 +35,7 @@ void MultiClickTrigger::on_state_(bool state) {
evt.min_length, evt.max_length);
this->at_index_ = 1;
if (this->timing_.size() == 1 && evt.max_length == 4294967294UL) {
this->set_timeout("trigger", evt.min_length, [this]() { this->trigger_(); });
this->set_timeout(MULTICLICK_TRIGGER_ID, evt.min_length, [this]() { this->trigger_(); });
} else {
this->schedule_is_valid_(evt.min_length);
this->schedule_is_not_valid_(evt.max_length);
@@ -57,13 +65,13 @@ void MultiClickTrigger::on_state_(bool state) {
this->schedule_is_not_valid_(evt.max_length);
} else if (*this->at_index_ + 1 != this->timing_.size()) {
ESP_LOGV(TAG, "B i=%zu min=%" PRIu32, *this->at_index_, evt.min_length); // NOLINT
this->cancel_timeout("is_not_valid");
this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
this->schedule_is_valid_(evt.min_length);
} else {
ESP_LOGV(TAG, "C i=%zu min=%" PRIu32, *this->at_index_, evt.min_length); // NOLINT
this->is_valid_ = false;
this->cancel_timeout("is_not_valid");
this->set_timeout("trigger", evt.min_length, [this]() { this->trigger_(); });
this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
this->set_timeout(MULTICLICK_TRIGGER_ID, evt.min_length, [this]() { this->trigger_(); });
}
*this->at_index_ = *this->at_index_ + 1;
@@ -71,14 +79,14 @@ void MultiClickTrigger::on_state_(bool state) {
void MultiClickTrigger::schedule_cooldown_() {
ESP_LOGV(TAG, "Multi Click: Invalid length of press, starting cooldown of %" PRIu32 " ms", this->invalid_cooldown_);
this->is_in_cooldown_ = true;
this->set_timeout("cooldown", this->invalid_cooldown_, [this]() {
this->set_timeout(MULTICLICK_COOLDOWN_ID, this->invalid_cooldown_, [this]() {
ESP_LOGV(TAG, "Multi Click: Cooldown ended, matching is now enabled again.");
this->is_in_cooldown_ = false;
});
this->at_index_.reset();
this->cancel_timeout("trigger");
this->cancel_timeout("is_valid");
this->cancel_timeout("is_not_valid");
this->cancel_timeout(MULTICLICK_TRIGGER_ID);
this->cancel_timeout(MULTICLICK_IS_VALID_ID);
this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
}
void MultiClickTrigger::schedule_is_valid_(uint32_t min_length) {
if (min_length == 0) {
@@ -86,13 +94,13 @@ void MultiClickTrigger::schedule_is_valid_(uint32_t min_length) {
return;
}
this->is_valid_ = false;
this->set_timeout("is_valid", min_length, [this]() {
this->set_timeout(MULTICLICK_IS_VALID_ID, min_length, [this]() {
ESP_LOGV(TAG, "Multi Click: You can now %s the button.", this->parent_->state ? "RELEASE" : "PRESS");
this->is_valid_ = true;
});
}
void MultiClickTrigger::schedule_is_not_valid_(uint32_t max_length) {
this->set_timeout("is_not_valid", max_length, [this]() {
this->set_timeout(MULTICLICK_IS_NOT_VALID_ID, max_length, [this]() {
ESP_LOGV(TAG, "Multi Click: You waited too long to %s.", this->parent_->state ? "RELEASE" : "PRESS");
this->is_valid_ = false;
this->schedule_cooldown_();
@@ -106,9 +114,9 @@ void MultiClickTrigger::cancel() {
void MultiClickTrigger::trigger_() {
ESP_LOGV(TAG, "Multi Click: Hooray, multi click is valid. Triggering!");
this->at_index_.reset();
this->cancel_timeout("trigger");
this->cancel_timeout("is_valid");
this->cancel_timeout("is_not_valid");
this->cancel_timeout(MULTICLICK_TRIGGER_ID);
this->cancel_timeout(MULTICLICK_IS_VALID_ID);
this->cancel_timeout(MULTICLICK_IS_NOT_VALID_ID);
this->trigger();
}