From 6790c22c4a9d7e95e2f1e81a68879c1dd85aa3ff Mon Sep 17 00:00:00 2001
From: tali <iitalics@gmail.com>
Date: Thu, 1 Feb 2024 13:28:31 -0500
Subject: [PATCH] load MOTD from file

---
 bin/main.ml               | 10 ++++++++--
 lib/server/server.ml      | 30 ++++++++++++++++++++++--------
 lib/server/server_info.ml | 23 +++++++++--------------
 talircd.service           |  1 +
 4 files changed, 40 insertions(+), 24 deletions(-)

diff --git a/bin/main.ml b/bin/main.ml
index 6400c27..3f1d70a 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -23,6 +23,8 @@ let () =
       ~timestamp:(not no_timestamp)
       ~namespace:(not no_namespace)
 
+(* TODO: s-exp/json/toml config format *)
+
 let port =
   try
     let port = int_of_string (Sys.getenv "IRC_PORT") in
@@ -36,14 +38,18 @@ let hostname =
   | Some x -> x
   | None -> "irc.tali.software"
 
+let motd_file =
+  match Sys.getenv_opt "IRC_MOTD" with
+  | Some x -> x
+  | None -> "./motd.txt"
+
 let config : Server.config = {
   port;
   hostname;
   listen_backlog = 8;
   ping_interval = 60;
   whowas_history_len = 1000;
-
-  (* TODO: motd *)
+  motd_file;
 }
 
 let () =
diff --git a/lib/server/server.ml b/lib/server/server.ml
index 048c068..987bdbb 100644
--- a/lib/server/server.ml
+++ b/lib/server/server.ml
@@ -10,7 +10,7 @@ let listener ~(port : int) ~(listen_backlog : int) : (fd * sockaddr) Lwt_stream.
   let sock : fd Lwt.t =
     let fd = Lwt_unix.socket PF_INET SOCK_STREAM 0 in
     Lwt_unix.setsockopt fd SO_KEEPALIVE false;
-    Lwt_unix.setsockopt fd SO_REUSEPORT true;
+    Lwt_unix.setsockopt fd SO_REUSEPORT false;
     let srv_adr = Unix.ADDR_INET (Unix.inet_addr_any, port) in
     let* () = Lwt_unix.bind fd srv_adr in
     Lwt_unix.listen fd listen_backlog;
@@ -98,18 +98,32 @@ type config = {
   ping_interval : int;
   whowas_history_len : int;
   hostname : string;
-  (* TODO: motd *)
+  motd_file : string;
 }
 
-let run { port; listen_backlog; ping_interval;
-          whowas_history_len; hostname } : unit Lwt.t
+let run { port; listen_backlog; ping_interval; whowas_history_len;
+          hostname; motd_file } : unit Lwt.t
   =
-  let server_info =
-    Server_info.make
-      ~hostname
-      (* ~motd *)
+  debug (fun m -> m "ping interval:@ %ds" ping_interval);
+  debug (fun m -> m "whowas history:@ %d" whowas_history_len);
+
+  let* motd =
+    let* file = Lwt_io.open_file motd_file ~mode:Input in
+    let* lines = Lwt_io.read_lines file |> Lwt_stream.to_list in
+    let+ () = Lwt_io.close file in
+    debug (fun m -> m "motd file:@ %d lines" (List.length lines));
+    lines
   in
 
+  let server_info =
+    Server_info.make ()
+      ~hostname
+      ~motd
+  in
+  info (fun m -> m "hostname:@ %s" server_info.hostname);
+  info (fun m -> m "version:@ %s" server_info.version);
+  info (fun m -> m "created:@ %s" server_info.created);
+
   let router : Router.t =
     Router.make
       ~whowas_history_len
diff --git a/lib/server/server_info.ml b/lib/server/server_info.ml
index f26f2d7..45bc0a6 100644
--- a/lib/server/server_info.ml
+++ b/lib/server/server_info.ml
@@ -37,22 +37,17 @@ let default_conf = {
   init_cmode = Mode.Set.of_list [`n; `s; `t];
 }
 
-let make ~hostname = {
-  version =
-    (* TODO: generate version string at build time? *)
-    "0.0.0";
+let admin_info = "the admin of this server is @iitalics@octodon.social"
+let version = "0.0.0"
+(* TODO: generate version string at build time? *)
+
+let make ?(conf = default_conf) ~hostname ~motd () = {
+  version = version;
   created = Fmt.str "%a" pp_time (Ptime_clock.now ());
   hostname;
-  admin_info =
-    (* TODO: make configurable *)
-    "the admin of this server is @iitalics@octodon.social";
-  motd = [
-    (* TODO: load from file *)
-    "MEOW MEOW MEOW MEOW MEOW";
-    "meow meow meow meow meow";
-    "meowmeowmeowmeowmeowmeow";
-  ];
-  conf = default_conf;
+  admin_info;
+  motd;
+  conf;
 }
 
 let prefix t = Msg.Server_prefix t.hostname
diff --git a/talircd.service b/talircd.service
index 9ef0e0a..cac8450 100644
--- a/talircd.service
+++ b/talircd.service
@@ -3,6 +3,7 @@ Description=tali IRCd
 
 [Service]
 Environment=IRC_HOSTNAME=irc.tali.software
+Environment=IRC_MOTD=/usr/local/share/talircd/motd
 #Environment=IRC_PORT=6667
 #Environment=LOG_LEVEL=DEBUG
 ExecStart=/usr/local/bin/talircd