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This commit is contained in:
J. Nick Koston
2025-06-05 17:54:03 +01:00
parent 99e98f5655
commit 50310fe494
1 changed files with 6 additions and 3 deletions
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9
esphome/components/api/api_connection.cpp
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@@ -1741,12 +1741,15 @@ void APIConnection::process_batch_() {
size_t total_size = 0;
size_t processed_count = 0;
// Create initial buffer with estimated size
ProtoWriteBuffer batch_buffer = this->create_buffer(MAX_BATCH_SIZE_BYTES);
// Conservative estimate for minimum packet size: 6 byte header + 100 bytes minimum message + footer
const uint16_t min_next_packet_size = 106 + this->helper_->frame_footer_size();
// Create initial buffer with estimated size based on number of items
// Use min of (estimated total size, MAX_BATCH_SIZE_BYTES)
uint32_t estimated_size = std::min(static_cast<uint32_t>(min_next_packet_size * this->deferred_batch_.items.size()),
static_cast<uint32_t>(MAX_BATCH_SIZE_BYTES));
ProtoWriteBuffer batch_buffer = this->create_buffer(estimated_size);
for (size_t i = 0; i < this->deferred_batch_.items.size(); i++) {
const auto &item = this->deferred_batch_.items[i];