From 3d516a3ca45ea1745467d61fe8c4ba155bf75756 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 4 Aug 2024 17:21:29 -0600
Subject: sys/ns: implement SRV records

---
 sys/ns/rr.nix | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

(limited to 'sys')

diff --git a/sys/ns/rr.nix b/sys/ns/rr.nix
index f1c6aca..3ccbd55 100644
--- a/sys/ns/rr.nix
+++ b/sys/ns/rr.nix
@@ -37,12 +37,13 @@ in
           });
         };
 
-        rrConfig = { rrs, type, format }: (map
+        rrConfig = { rrs, type, format, applyName ? (rr: rr.name) }: (map
           (rr: {
             inherit type;
-            inherit (rr) name ttl;
+            inherit (rr) ttl;
 
             data = format rr;
+            name = applyName rr;
           })
           rrs);
       in
@@ -168,6 +169,30 @@ in
             host = nameOption;
           };
 
+          srv = rrType {
+            host = nameOption;
+
+            port = mkOption {
+              type = port;
+            };
+
+            priority = mkOption {
+              type = int;
+            };
+
+            proto = mkOption {
+              type = enum [ "tcp" "udp" ];
+            };
+
+            service = mkOption {
+              type = str;
+            };
+
+            weight = mkOption {
+              type = int;
+            };
+          };
+
           txt = rrType {
             text = mkOption {
               type = strMatching "[^\"\n\\]*\n?";
@@ -234,6 +259,14 @@ in
               format = rr: [ rr.priority rr.host ];
             })
 
+            (rrConfig {
+              rrs = config.srv;
+              type = "SRV";
+
+              format = rr: [ rr.priority rr.weight rr.port rr.host ];
+              applyName = rr: "_${rr.service}._${rr.proto}.${rr.name}";
+            })
+
             (rrConfig {
               rrs = config.txt;
               type = "TXT";
-- 
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