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Merge branch 'pr2633' into dev

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This commit is contained in:
Thomas Basler
2025-04-09 17:15:54 +02:00
parent c3ce0b8d9a e6e1f3a42a
commit b70af57bd2
2 changed files with 8 additions and 2 deletions
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2
platformio.ini
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@@ -42,7 +42,7 @@ build_unflags =
-std=gnu++11 -std=gnu++11
lib_deps = lib_deps =
ESP32Async/ESPAsyncWebServer @ 3.7.4 ESP32Async/ESPAsyncWebServer @ 3.7.6
bblanchon/ArduinoJson @ 7.3.1 bblanchon/ArduinoJson @ 7.3.1
https://github.com/bertmelis/espMqttClient.git#v1.7.0 https://github.com/bertmelis/espMqttClient.git#v1.7.0
nrf24/RF24 @ 1.4.11 nrf24/RF24 @ 1.4.11

8
src/WebApi_prometheus.cpp
View File

@@ -20,12 +20,14 @@ void WebApiPrometheusClass::init(AsyncWebServer& server, Scheduler& scheduler)
void WebApiPrometheusClass::onPrometheusMetricsGet(AsyncWebServerRequest* request) void WebApiPrometheusClass::onPrometheusMetricsGet(AsyncWebServerRequest* request)
{ {
static size_t initialResponseBufferSize = 1024;
if (!WebApi.checkCredentialsReadonly(request)) { if (!WebApi.checkCredentialsReadonly(request)) {
return; return;
} }
try { try {
auto stream = request->beginResponseStream("text/plain; charset=utf-8", 40960); auto stream = request->beginResponseStream("text/plain; charset=utf-8", initialResponseBufferSize);
stream->print("# HELP opendtu_build Build info\n"); stream->print("# HELP opendtu_build Build info\n");
stream->print("# TYPE opendtu_build gauge\n"); stream->print("# TYPE opendtu_build gauge\n");
@@ -109,6 +111,10 @@ void WebApiPrometheusClass::onPrometheusMetricsGet(AsyncWebServerRequest* reques
} }
} }
stream->addHeader("Cache-Control", "no-cache"); stream->addHeader("Cache-Control", "no-cache");
if (stream->available() > initialResponseBufferSize) {
initialResponseBufferSize = stream->available();
MessageOutput.printf("Increased /api/prometheus/metrics initialResponseBufferSize to %" PRIu32 " bytes\r\n", initialResponseBufferSize);
}
request->send(stream); request->send(stream);
} catch (std::bad_alloc& bad_alloc) { } catch (std::bad_alloc& bad_alloc) {