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Code Issues Releases Wiki Activity

Implement zero-copy API for zwave_proxy (#10836)

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Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
J. Nick Koston
2025-09-23 15:12:54 -05:00
committed by GitHub
parent e9c2e211ef
commit 365e3afa9b
5 changed files with 15 additions and 14 deletions
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2
esphome/components/api/api.proto
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@@ -2292,7 +2292,7 @@ message ZWaveProxyFrame {
option (ifdef) = "USE_ZWAVE_PROXY";
option (no_delay) = true;
bytes data = 1 [(fixed_array_size) = 257];
bytes data = 1 [(pointer_to_buffer) = true];
}
enum ZWaveProxyRequestType {

9
esphome/components/api/api_pb2.cpp
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@@ -3035,12 +3035,9 @@ bool UpdateCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
bool ZWaveProxyFrame::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
switch (field_id) {
case 1: {
const std::string &data_str = value.as_string();
this->data_len = data_str.size();
if (this->data_len > 257) {
this->data_len = 257;
}
memcpy(this->data, data_str.data(), this->data_len);
// Use raw data directly to avoid allocation
this->data = value.data();
this->data_len = value.size();
break;
}
default:

4
esphome/components/api/api_pb2.h
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@@ -2931,11 +2931,11 @@ class UpdateCommandRequest final : public CommandProtoMessage {
class ZWaveProxyFrame final : public ProtoDecodableMessage {
public:
static constexpr uint8_t MESSAGE_TYPE = 128;
static constexpr uint8_t ESTIMATED_SIZE = 33;
static constexpr uint8_t ESTIMATED_SIZE = 19;
#ifdef HAS_PROTO_MESSAGE_DUMP
const char *message_name() const override { return "z_wave_proxy_frame"; }
#endif
uint8_t data[257]{};
const uint8_t *data{nullptr};
uint16_t data_len{0};
void encode(ProtoWriteBuffer buffer) const override;
void calculate_size(ProtoSize &size) const override;