From c5abfd698adec48ce2b3d87f58a2b2eccacfcb52 Mon Sep 17 00:00:00 2001
From: anlicheng <244108715@qq.com>
Date: Tue, 17 Mar 2026 15:11:02 +0800
Subject: [PATCH] fix network

---
 apps/sdlan/src/sdlan_network.erl | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/apps/sdlan/src/sdlan_network.erl b/apps/sdlan/src/sdlan_network.erl
index 3723c44..243bfc3 100644
--- a/apps/sdlan/src/sdlan_network.erl
+++ b/apps/sdlan/src/sdlan_network.erl
@@ -18,9 +18,6 @@
 %% broadcast, "FF-FF-FF-FF-FF-FF"
 -define(BROADCAST_MAC, <<16#FF,16#FF,16#FF,16#FF,16#FF,16#FF>>).
 
-%% 分区salt
--define(REGION_SALT, "salt_fG7xQp2BzH9L").
-
 %% API
 -export([start_link/2]).
 -export([get_name/1, get_pid/1, lookup_pid/1, peer_info/3, unregister/3, debug_info/1, get_network_id/1, attach/6, arp_request/2]).
@@ -232,7 +229,7 @@ handle_call({attach, ChannelPid, ClientId, Mac, Ip, Hostname}, _From,
         client_id = ClientId, mac = Mac, ip = Ip, hostname = Hostname, session_token = SessionToken, last_seen = erlang:monotonic_time(second)},
 
     %% 生成对应的分区id
-    RegionId = gen_region_id(Ip, ?REGION_SALT),
+    RegionId = gen_region_id(Ip),
 
     {reply, {ok, Algorithm, Key, RegionId, SessionToken}, State#state{endpoints = maps:put(Mac, Endpoint, Endpoints)}};
 
@@ -412,7 +409,7 @@ handle_info({'DOWN', _MRef, process, ChannelPid, Reason}, State = #state{network
 %% necessary cleaning up. When it returns, the gen_server terminates
 %% with Reason. The return value is ignored.
 -spec(terminate(Reason :: (normal | shutdown | {shutdown, term()} | term()),
-    State :: #state{}) -> term()).
+    State :: #state{}) -> none()).
 terminate(Reason, #state{network_id = NetworkId, endpoints = Endpoints}) ->
     broadcast(fun(#endpoint{channel_pid = ChannelPid}) ->
         case is_process_alive(ChannelPid) of
@@ -541,12 +538,12 @@ gen_key(<<"aes">>) ->
 gen_key(<<"chacha20">>) ->
     sdlan_util:rand_byte(32).
 
--spec gen_region_id(IpInt :: integer(), Salt :: string()) -> integer().
-gen_region_id(IpInt, Salt) ->
+-spec gen_region_id(IpInt :: integer()) -> integer().
+gen_region_id(IpInt) ->
     %% 把整数 IP 转成字符串
     IpStr = integer_to_list(IpInt),
     %% 拼接盐
-    FullStr = Salt ++ IpStr,
+    FullStr = "salt_fG7xQp2BzH9L" ++ IpStr,
     time33(FullStr, 5381).
 
 %% 核心Time33算法