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Code Issues Releases Wiki Activity

Allow disabling API batch delay for real-time state updates (#9298)

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This commit is contained in:
J. Nick Koston
2025-07-02 21:50:53 -05:00
committed by GitHub
parent 798eef41b9
commit 34db02661c
7 changed files with 261 additions and 75 deletions
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60
esphome/components/api/api_connection.h
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@@ -18,6 +18,8 @@ namespace api {
// Keepalive timeout in milliseconds
static constexpr uint32_t KEEPALIVE_TIMEOUT_MS = 60000;
// Maximum number of entities to process in a single batch during initial state/info sending
static constexpr size_t MAX_INITIAL_PER_BATCH = 20;
class APIConnection : public APIServerConnection {
public:
@@ -296,6 +298,20 @@ class APIConnection : public APIServerConnection {
static uint16_t encode_message_to_buffer(ProtoMessage &msg, uint16_t message_type, APIConnection *conn,
uint32_t remaining_size, bool is_single);
// Helper method to process multiple entities from an iterator in a batch
template<typename Iterator> void process_iterator_batch_(Iterator &iterator) {
size_t initial_size = this->deferred_batch_.size();
while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < MAX_INITIAL_PER_BATCH) {
iterator.advance();
}
// If the batch is full, process it immediately
// Note: iterator.advance() already calls schedule_batch_() via schedule_message_()
if (this->deferred_batch_.size() >= MAX_INITIAL_PER_BATCH) {
this->process_batch_();
}
}
#ifdef USE_BINARY_SENSOR
static uint16_t try_send_binary_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
bool is_single);
@@ -582,7 +598,8 @@ class APIConnection : public APIServerConnection {
uint8_t service_call_subscription : 1;
uint8_t next_close : 1;
uint8_t batch_scheduled : 1;
uint8_t batch_first_message : 1; // For batch buffer allocation
uint8_t batch_first_message : 1; // For batch buffer allocation
uint8_t should_try_send_immediately : 1; // True after initial states are sent
#ifdef HAS_PROTO_MESSAGE_DUMP
uint8_t log_only_mode : 1;
#endif
@@ -609,11 +626,50 @@ class APIConnection : public APIServerConnection {
bool schedule_batch_();
void process_batch_();
void clear_batch_() {
this->deferred_batch_.clear();
this->flags_.batch_scheduled = false;
}
#ifdef HAS_PROTO_MESSAGE_DUMP
void log_batch_item_(const DeferredBatch::BatchItem &item);
// Helper to log a proto message from a MessageCreator object
void log_proto_message_(EntityBase *entity, const MessageCreator &creator, uint16_t message_type) {
this->flags_.log_only_mode = true;
creator(entity, this, MAX_PACKET_SIZE, true, message_type);
this->flags_.log_only_mode = false;
}
void log_batch_item_(const DeferredBatch::BatchItem &item) {
// Use the helper to log the message
this->log_proto_message_(item.entity, item.creator, item.message_type);
}
#endif
// Helper method to send a message either immediately or via batching
bool send_message_smart_(EntityBase *entity, MessageCreatorPtr creator, uint16_t message_type) {
// Try to send immediately if:
// 1. We should try to send immediately (should_try_send_immediately = true)
// 2. Batch delay is 0 (user has opted in to immediate sending)
// 3. Buffer has space available
if (this->flags_.should_try_send_immediately && this->get_batch_delay_ms_() == 0 &&
this->helper_->can_write_without_blocking()) {
// Now actually encode and send
if (creator(entity, this, MAX_PACKET_SIZE, true) &&
this->send_buffer(ProtoWriteBuffer{&this->parent_->get_shared_buffer_ref()}, message_type)) {
#ifdef HAS_PROTO_MESSAGE_DUMP
// Log the message in verbose mode
this->log_proto_message_(entity, MessageCreator(creator), message_type);
#endif
return true;
}
// If immediate send failed, fall through to batching
}
// Fall back to scheduled batching
return this->schedule_message_(entity, creator, message_type);
}
// Helper function to schedule a deferred message with known message type
bool schedule_message_(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
this->deferred_batch_.add_item(entity, std::move(creator), message_type);