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Code Issues Releases Wiki Activity

Optimize API connection memory with tagged pointers (#9203)

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This commit is contained in:
J. Nick Koston
2025-06-26 03:55:12 +02:00
committed by GitHub
parent c74e5e0f04
commit 79e3d2b2d7
2 changed files with 64 additions and 54 deletions
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35
esphome/components/api/api_connection.cpp
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@@ -1432,7 +1432,7 @@ void APIConnection::alarm_control_panel_command(const AlarmControlPanelCommandRe
#ifdef USE_EVENT
void APIConnection::send_event(event::Event *event, const std::string &event_type) {
this->schedule_message_(event, MessageCreator(event_type, EventResponse::MESSAGE_TYPE), EventResponse::MESSAGE_TYPE);
this->schedule_message_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE);
}
void APIConnection::send_event_info(event::Event *event) {
this->schedule_message_(event, &APIConnection::try_send_event_info, ListEntitiesEventResponse::MESSAGE_TYPE);
@@ -1787,7 +1787,8 @@ void APIConnection::process_batch_() {
const auto &item = this->deferred_batch_.items[0];
// Let the creator calculate size and encode if it fits
uint16_t payload_size = item.creator(item.entity, this, std::numeric_limits<uint16_t>::max(), true);
uint16_t payload_size =
item.creator(item.entity, this, std::numeric_limits<uint16_t>::max(), true, item.message_type);
if (payload_size > 0 &&
this->send_buffer(ProtoWriteBuffer{&this->parent_->get_shared_buffer_ref()}, item.message_type)) {
@@ -1837,7 +1838,7 @@ void APIConnection::process_batch_() {
for (const auto &item : this->deferred_batch_.items) {
// Try to encode message
// The creator will calculate overhead to determine if the message fits
uint16_t payload_size = item.creator(item.entity, this, remaining_size, false);
uint16_t payload_size = item.creator(item.entity, this, remaining_size, false, item.message_type);
if (payload_size == 0) {
// Message won't fit, stop processing
@@ -1900,21 +1901,23 @@ void APIConnection::process_batch_() {
}
uint16_t APIConnection::MessageCreator::operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
bool is_single) const {
switch (message_type_) {
case 0: // Function pointer
return data_.ptr(entity, conn, remaining_size, is_single);
bool is_single, uint16_t message_type) const {
if (has_tagged_string_ptr_()) {
// Handle string-based messages
switch (message_type) {
#ifdef USE_EVENT
case EventResponse::MESSAGE_TYPE: {
auto *e = static_cast<event::Event *>(entity);
return APIConnection::try_send_event_response(e, *data_.string_ptr, conn, remaining_size, is_single);
}
case EventResponse::MESSAGE_TYPE: {
auto *e = static_cast<event::Event *>(entity);
return APIConnection::try_send_event_response(e, *get_string_ptr_(), conn, remaining_size, is_single);
}
#endif
default:
// Should not happen, return 0 to indicate no message
return 0;
default:
// Should not happen, return 0 to indicate no message
return 0;
}
} else {
// Function pointer case
return data_.ptr(entity, conn, remaining_size, is_single);
}
}