Files
esphome/esphome/components/api/api_connection_buffer.h
2026-05-21 14:06:18 -05:00

55 lines
2.1 KiB
C++

#pragma once
#include "esphome/core/defines.h"
#ifdef USE_API
// Inline APIConnection methods that need APIServer complete. Include this
// instead of api_connection.h when calling encode_to_buffer or get_batch_delay_ms_.
#include "api_connection.h"
#include "api_server.h"
namespace esphome::api {
inline uint16_t ESPHOME_ALWAYS_INLINE APIConnection::encode_to_buffer(uint32_t calculated_size,
MessageEncodeFn encode_fn, const void *msg,
APIConnection *conn, uint32_t remaining_size) {
#ifdef HAS_PROTO_MESSAGE_DUMP
if (conn->flags_.log_only_mode) {
auto *proto_msg = static_cast<const ProtoMessage *>(msg);
DumpBuffer dump_buf;
conn->log_send_message_(proto_msg->message_name(), proto_msg->dump_to(dump_buf));
return 1;
}
#endif
const uint8_t footer_size = conn->helper_->frame_footer_size();
// First message uses max padding (already in buffer), subsequent use exact header size
size_t to_add;
if (conn->flags_.batch_first_message) {
conn->flags_.batch_first_message = false;
conn->batch_header_size_ = conn->helper_->frame_header_padding();
to_add = calculated_size;
} else {
conn->batch_header_size_ = conn->helper_->frame_header_size(calculated_size, conn->batch_message_type_);
to_add = calculated_size + conn->batch_header_size_ + footer_size;
}
// Check if it fits (using actual header size, not max padding)
uint16_t total_calculated_size = calculated_size + conn->batch_header_size_ + footer_size;
if (total_calculated_size > remaining_size)
return 0;
auto &shared_buf = conn->parent_->get_shared_buffer_ref();
shared_buf.resize(shared_buf.size() + to_add);
ProtoWriteBuffer buffer{&shared_buf, shared_buf.size() - calculated_size};
encode_fn(msg, buffer PROTO_ENCODE_DEBUG_INIT(&shared_buf));
return total_calculated_size;
}
inline uint32_t APIConnection::get_batch_delay_ms_() const { return this->parent_->get_batch_delay(); }
} // namespace esphome::api
#endif