Parse NW filters XML structure

virtweb_backend/src/actors/libvirt_actor.rs

@@ -1,5 +1,7 @@
 use crate::app_config::AppConfig;
-use crate::libvirt_lib_structures::{DomainState, DomainXML, NetworkXML, XMLUuid};
+use crate::libvirt_lib_structures::{
+    DomainState, DomainXML, NetworkFilterXML, NetworkXML, XMLUuid,
+};
 use crate::libvirt_rest_structures::*;
 use actix::{Actor, Context, Handler, Message};
 use image::ImageOutputFormat;
@@ -7,6 +9,7 @@ use std::io::Cursor;
 use virt::connect::Connect;
 use virt::domain::Domain;
 use virt::network::Network;
+use virt::nwfilter::NWFilter;
 use virt::stream::Stream;
 use virt::sys;
 use virt::sys::VIR_DOMAIN_XML_SECURE;
@@ -549,3 +552,39 @@ impl Handler<StopNetwork> for LibVirtActor {
         Ok(())
     }
 }
+
+#[derive(Message)]
+#[rtype(result = "anyhow::Result<Vec<XMLUuid>>")]
+pub struct GetNWFiltersListReq;
+
+impl Handler<GetNWFiltersListReq> for LibVirtActor {
+    type Result = anyhow::Result<Vec<XMLUuid>>;
+
+    fn handle(&mut self, _msg: GetNWFiltersListReq, _ctx: &mut Self::Context) -> Self::Result {
+        log::debug!("Get full list of network filters");
+        let networks = self.m.list_all_nw_filters(0)?;
+        let mut ids = Vec::with_capacity(networks.len());
+
+        for d in networks {
+            ids.push(XMLUuid::parse_from_str(&d.get_uuid_string()?)?);
+        }
+
+        Ok(ids)
+    }
+}
+
+#[derive(Message)]
+#[rtype(result = "anyhow::Result<NetworkFilterXML>")]
+pub struct GetNWFilterXMLReq(pub XMLUuid);
+
+impl Handler<GetNWFilterXMLReq> for LibVirtActor {
+    type Result = anyhow::Result<NetworkFilterXML>;
+
+    fn handle(&mut self, msg: GetNWFilterXMLReq, _ctx: &mut Self::Context) -> Self::Result {
+        log::debug!("Get network filter XML:\n{}", msg.0.as_string());
+        let filter = NWFilter::lookup_by_uuid_string(&self.m, &msg.0.as_string())?;
+        let xml = filter.get_xml_desc(0)?;
+        log::debug!("XML = {}", xml);
+        NetworkFilterXML::parse_xml(xml)
+    }
+}