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memory optimzations

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This commit is contained in:
proddy
2026-01-23 19:37:21 +01:00
parent 9088651e53
commit bfbb18655d
3 changed files with 34 additions and 26 deletions
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14
src/web/WebSchedulerService.cpp
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@@ -248,18 +248,24 @@ void WebSchedulerService::publish(const bool force) {
snprintf(val_obj, sizeof(val_obj), "value_json['%s']", scheduleItem.name);
snprintf(val_cond, sizeof(val_cond), "%s is defined", val_obj);
// Optimized: use stack buffer instead of string concatenation to avoid heap allocations
char val_tpl[150];
if (Mqtt::discovery_type() == Mqtt::discoveryType::HOMEASSISTANT) {
config["val_tpl"] = (std::string) "{{" + val_obj + " if " + val_cond + "}}";
snprintf(val_tpl, sizeof(val_tpl), "{{%s if %s}}", val_obj, val_cond);
} else {
config["val_tpl"] = (std::string) "{{" + val_obj + "}}"; // omit value conditional Jinja2 template code
snprintf(val_tpl, sizeof(val_tpl), "{{%s}}", val_obj); // omit value conditional Jinja2 template code
}
config["val_tpl"] = val_tpl;
char uniq_s[70];
snprintf(uniq_s, sizeof(uniq_s), "%s_%s", F_(scheduler), scheduleItem.name);
config["uniq_id"] = uniq_s;
config["name"] = (const char *)scheduleItem.name;
config["def_ent_id"] = std::string("switch.") + uniq_s;
// Optimized: use stack buffer instead of string concatenation
char def_ent_id[80];
snprintf(def_ent_id, sizeof(def_ent_id), "switch.%s", uniq_s);
config["def_ent_id"] = def_ent_id;
char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
char command_topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
@@ -331,7 +337,7 @@ bool WebSchedulerService::command(const char * name, const std::string & command
int httpResult = 0;
if (value.length() || method == "post") { // we have all lowercase
if (value.find_first_of('{') != std::string::npos) {
http.addHeader("Content-Type", "application/json"); // auto-set to JSON
http.addHeader(asyncsrv::T_Content_Type, asyncsrv::T_application_json, false); // auto-set to JSON
}
httpResult = http.POST(value.c_str());
} else {