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fixup: remove one extra allocation

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Use a callback to iterate OrbisInfo instead of
returning a vector with all OrbisInfo. This way,
we save one extra allocation.
This commit is contained in:
Unai Uribarri 2025-01-14 02:29:39 +01:00
parent 6010e1c26a
commit 36ca2cc990
No known key found for this signature in database
4 changed files with 6 additions and 29 deletions
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25
esphome/components/sml/sml.cpp
View File

@ -67,31 +67,12 @@ void Sml::add_on_data_callback(std::function<void(std::vector<uint8_t>, bool)> &
}
void Sml::process_sml_file_(const byte_span &sml_data) {
SmlFile sml_file = SmlFile(sml_data);
std::vector<ObisInfo> obis_info = sml_file.get_obis_info();
this->publish_obis_info_(obis_info);
this->log_obis_info_(obis_info);
}
void Sml::log_obis_info_(const std::vector<ObisInfo> &obis_info_vec) {
ESP_LOGD(TAG, "OBIS info:");
for (auto const &obis_info : obis_info_vec) {
std::string info;
info += " (" + bytes_repr(obis_info.server_id) + ") ";
info += obis_info.code_repr();
info += " [0x" + bytes_repr(obis_info.value) + "]";
ESP_LOGD(TAG, "%s", info.c_str());
}
}
void Sml::publish_obis_info_(const std::vector<ObisInfo> &obis_info_vec) {
for (auto const &obis_info : obis_info_vec) {
this->publish_value_(obis_info);
}
SmlFile(sml_data).for_each_obis_info([this](const ObisInfo &obis_info) { this->publish_value_(obis_info); });
}
void Sml::publish_value_(const ObisInfo &obis_info) {
ESP_LOGD(TAG, "OBIS (%s) %s [0x%s]", bytes_repr(obis_info.server_id).c_str(), obis_info.code_repr().c_str(),
bytes_repr(obis_info.value).c_str());
for (auto const &sml_listener : sml_listeners_) {
if ((!sml_listener->server_id.empty()) && (bytes_repr(obis_info.server_id) != sml_listener->server_id))
continue;

2
esphome/components/sml/sml.h
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@ -28,8 +28,6 @@ class Sml : public Component, public uart::UARTDevice {
protected:
void process_sml_file_(const byte_span &sml_data);
void log_obis_info_(const std::vector<ObisInfo> &obis_info_vec);
void publish_obis_info_(const std::vector<ObisInfo> &obis_info_vec);
char check_start_end_bytes_(uint8_t byte);
void publish_value_(const ObisInfo &obis_info);

6
esphome/components/sml/sml_parser.cpp
View File

@ -75,8 +75,7 @@ bool SmlFile::setup_node(std::vector<SmlNode> &nodes) {
return true;
}
std::vector<ObisInfo> SmlFile::get_obis_info() {
std::vector<ObisInfo> obis_info;
void SmlFile::for_each_obis_info(const std::function<void(const ObisInfo &)> &callback) {
for (auto const &message : messages) {
auto message_body = message.nodes[3];
auto message_type = bytes_to_uint(message_body.nodes[0].value_bytes);
@ -88,10 +87,9 @@ std::vector<ObisInfo> SmlFile::get_obis_info() {
auto val_list = get_list_response.nodes[4];
for (auto const &val_list_entry : val_list.nodes) {
obis_info.emplace_back(server_id, val_list_entry);
callback(ObisInfo(server_id, val_list_entry));
}
}
return obis_info;
}
std::string bytes_repr(const byte_span &buffer) {

2
esphome/components/sml/sml_parser.h
View File

@ -41,7 +41,7 @@ class SmlFile {
SmlFile(byte_span const &buffer);
bool setup_node(std::vector<SmlNode> &nodes);
std::vector<SmlNode> messages;
std::vector<ObisInfo> get_obis_info();
void for_each_obis_info(const std::function<void(const ObisInfo &)> &callback);
protected:
const byte_span buffer_;