setup_metrics_exporter

Cargo.toml

@@ -41,12 +41,15 @@ tokio = { version = "1.36.0", optional = true }
 hostname = { version = "0.3.1", optional = true }
 env_logger = "0.11.3"
 log = "0.4.21"
+metrics-exporter-prometheus = { version = "0.14.0", optional = true }
+metrics = { version = "0.22.3", optional = true }
 
 [features]
-eapi = ["eva-common", "eva-sdk", "busrt", "tokio", "hostname"]
-modbus = ["rmodbus"]
+eapi = ["dep:eva-common", "dep:eva-sdk", "dep:busrt", "dep:tokio", "dep:hostname"]
+modbus = ["dep:rmodbus"]
 openssl-vendored = ["busrt/openssl-vendored", "eva-common/openssl-vendored"]
-full = ["eapi", "modbus"]
+metrics = ["dep:metrics", "dep:metrics-exporter-prometheus"]
+full = ["eapi", "modbus", "metrics"]
 
 [dev-dependencies]
 insta = "1.36.1"

src/lib.rs

@@ -10,6 +10,9 @@ use thread_rt::{RTParams, Scheduling};
 pub use log::LevelFilter;
 pub use roboplc_derive::DataPolicy;
 
+#[cfg(feature = "metrics")]
+pub use metrics;
+
 /// Event buffers
 pub mod buf;
 /// Reliable TCP/Serial communications
@@ -251,6 +254,12 @@ pub fn suicide(delay: Duration, warn: bool) {
     };
 }
 
+#[cfg(feature = "metrics")]
+pub fn setup_metrics_exporter() -> Result<()> {
+    let builder = metrics_exporter_prometheus::PrometheusBuilder::new();
+    builder.install().map_err(Error::io)
+}
+
 /// Sets panic handler to immediately kill the process and its childs with SIGKILL
 pub fn setup_panic() {
     std::panic::set_hook(Box::new(move |info: &PanicInfo| {