rust: add BootstrapConfiguration struct

Signed-off-by: Nicolas Buffon <[email protected]>

rust/examples/config.ini

@@ -2,6 +2,14 @@
 id="ora_opensource"
 type="mec_application"
 
+#[bootstrap]
+#host="mydomain.com"
+#port="8080"
+#path="/bootstrap"
+#role="external-app"
+#username="login"
+#password="password"
+
 [mqtt]
 host="test.mosquitto.org"
 port=8886

rust/src/client/configuration.rs

@@ -39,6 +39,7 @@ use crate::client::configuration::{
 #[cfg(feature = "geo_routing")]
 use crate::client::configuration::geo_configuration::{GeoConfiguration, GEO_SECTION};
 
+pub(crate) mod bootstrap_configuration;
 pub mod configuration_error;
 #[cfg(feature = "geo_routing")]
 pub mod geo_configuration;

rust/src/client/configuration/bootstrap_configuration.rs

@@ -0,0 +1,34 @@
+use crate::client::configuration::configuration_error::ConfigurationError;
+use crate::client::configuration::get_mandatory_field;
+use ini::Properties;
+
+pub struct BootstrapConfiguration {
+    pub endpoint: String,
+    pub station_id: String,
+    pub username: String,
+    pub password: String,
+    pub role: String,
+}
+
+impl TryFrom<&Properties> for BootstrapConfiguration {
+    type Error = ConfigurationError;
+
+    fn try_from(properties: &Properties) -> Result<Self, Self::Error> {
+        let section = ("bootstrap", properties);
+
+        let endpoint = format!(
+            "http://{}:{}{}",
+            get_mandatory_field::<String>("host", section)?,
+            get_mandatory_field::<u16>("port", section)?,
+            get_mandatory_field::<String>("path", section)?,
+        );
+
+        Ok(Self {
+            endpoint,
+            station_id: get_mandatory_field::<String>("station_id", section)?,
+            username: get_mandatory_field::<String>("username", section)?,
+            password: get_mandatory_field::<String>("password", section)?,
+            role: get_mandatory_field::<String>("role", section)?,
+        })
+    }
+}