eculocate

commit de25493840571f57e687f52debf2e8f596e70206
parent 1f10f50402eaae36c81db3eef4cadff73e96a36f
Author: Daniel Barlow <dan@telent.net>
Date:   Fri, 26 Dec 2025 00:13:27 +0000

add RData::Ptr

Diffstat:
M
ecu-esp32/src/wifi.rs
 | 
20
+++++++++++++++++---

1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/ecu-esp32/src/wifi.rs b/ecu-esp32/src/wifi.rs
@@ -68,7 +68,8 @@ const CACHE_FLUSH : u16 = 1<<15;
 
 enum RData {
     Raw(Vec<u8>),
-    Srv { target: String, port: u16, priority: u16, weight: u16 }
+    Srv { target: String, port: u16, priority: u16, weight: u16 },
+    Ptr(String)
 }
 
 impl RData {
@@ -93,6 +94,19 @@ impl RData {
 		    out[6+i] = *l;
 		}
 		&out[..(6 + label.len())]
+	    },
+	    RData::Ptr(name) => {
+		let mut offset = 0;
+		for l in name.split('.') {
+		    out[offset] = (l.len() & 0xff) as u8;
+		    offset += 1;
+		    for c in l.as_bytes().iter() {
+			out[offset] = *c;
+			offset += 1;
+		    }
+		}
+		out[offset] = 0;
+		&out[..offset+1]
 	    }
 	}
     }
@@ -156,12 +170,12 @@ impl DnsResource {
 	    Self::new(
 		"_keihin._udp.local",
 		ResourceType::Ptr,
-		RData::Raw(alloc_ptr_data(&["Bike", "_keihin", "_udp", "local"]))
+		RData::Ptr("Bike._keihin._udp.local".into())
 	    ),
 	    Self::new(
 		"_services._dns-sd._udp.local",
 		ResourceType::Ptr,
-		RData::Raw(alloc_ptr_data(&["_keihin", "_udp", "local"]))
+		RData::Ptr("_keihin._udp.local".into())
 	    )
 	];
 	Vec::from(static_records)