From 9545949b2ff144b3da291b146805b19cfddebb74 Mon Sep 17 00:00:00 2001
From: fliqqs <dox.is.op@gmail.com>
Date: Thu, 9 Jan 2025 14:40:57 +1000
Subject: [PATCH] ospf: show ospf hostnames cmd

---
 src/internal_commands.rs  | 24 ++++++++++++++++++++++++
 src/internal_commands.xml |  4 ++++
 src/token_xml.rs          |  1 +
 3 files changed, 29 insertions(+)

diff --git a/src/internal_commands.rs b/src/internal_commands.rs
index cc36296..7fba924 100644
--- a/src/internal_commands.rs
+++ b/src/internal_commands.rs
@@ -875,6 +875,8 @@ const XPATH_OSPF_INTERFACE: &str = "interfaces/interface";
 const XPATH_OSPF_NEIGHBOR: &str = "neighbors/neighbor";
 const XPATH_OSPF_RIB: &str = "ietf-ospf:ospf/local-rib/route";
 const XPATH_OSPF_NEXTHOP: &str = "next-hops/next-hop";
+const XPATH_OSPF_HOSTNAMES: &str =
+    "ietf-ospf:ospf/holo-ospf:hostnames/hostname";
 
 pub(crate) fn cmd_show_ospf_interface(
     _commands: &Commands,
@@ -1146,6 +1148,28 @@ pub(crate) fn cmd_show_ospf_route(
     Ok(false)
 }
 
+pub(crate) fn cmd_show_ospf_hostnames(
+    _commands: &Commands,
+    session: &mut Session,
+    mut args: ParsedArgs,
+) -> Result<bool, String> {
+    let protocol = match get_arg(&mut args, "protocol").as_str() {
+        "ospfv2" => PROTOCOL_OSPFV2,
+        "ospfv3" => PROTOCOL_OSPFV3,
+        _ => unreachable!(),
+    };
+
+    YangTableBuilder::new(session, DataType::State)
+        .xpath(XPATH_PROTOCOL)
+        .filter_list_key("type", Some(protocol))
+        .column_leaf("Instance", "name")
+        .xpath(XPATH_OSPF_HOSTNAMES)
+        .filter_list_key("prefix", get_opt_arg(&mut args, "router-id"))
+        .column_leaf("Router ID", "router-id")
+        .column_leaf("Hostname", "hostname")
+        .show()?;
+    Ok(false)
+}
 // ===== RIP "show" commands =====
 
 const PROTOCOL_RIPV2: &str = "ietf-rip:ripv2";
diff --git a/src/internal_commands.xml b/src/internal_commands.xml
index c1a53a1..fc6b13c 100644
--- a/src/internal_commands.xml
+++ b/src/internal_commands.xml
@@ -52,6 +52,8 @@
             <token name="detail" help="Detailed information" argument="detail" cmd="cmd_show_ospf_neighbor_detail"/>
           </token>
         </token>
+        <token name="hostnames" help="Router Hostnames" cmd="cmd_show_ospf_hostnames">
+        </token>
         <token name="route" help="Route information" cmd="cmd_show_ospf_route">
           <token name="prefix" help="IPv4 prefix" argument="prefix" kind="string" cmd="cmd_show_ospf_route"/>
         </token>
@@ -72,6 +74,8 @@
         <token name="route" help="Route information" cmd="cmd_show_ospf_route">
           <token name="prefix" help="IPv4 prefix" argument="prefix" kind="string" cmd="cmd_show_ospf_route"/>
         </token>
+        <token name="hostnames" help="Router Hostnames" cmd="cmd_show_ospf_hostnames">
+        </token>
       </token>
       <!-- RIP show commands -->
       <token name="ripv2" argument="protocol" help="RIPv2 information">
diff --git a/src/token_xml.rs b/src/token_xml.rs
index 038eb1c..2568b37 100644
--- a/src/token_xml.rs
+++ b/src/token_xml.rs
@@ -96,6 +96,7 @@ fn parse_tag_token(
             internal_commands::cmd_show_ospf_neighbor_detail
         }
         "cmd_show_ospf_route" => internal_commands::cmd_show_ospf_route,
+        "cmd_show_ospf_hostnames" => internal_commands::cmd_show_ospf_hostnames,
         "cmd_show_rip_interface" => internal_commands::cmd_show_rip_interface,
         "cmd_show_rip_interface_detail" => {
             internal_commands::cmd_show_rip_interface_detail