fix: optimize port occupancy detection

script/clashctl.sh

@@ -2,7 +2,7 @@
 # shellcheck disable=SC2155
 
 function clashon() {
-    _get_kernel_port
+    _get_proxy_port
     sudo systemctl start "$BIN_KERNEL_NAME" && _okcat '已开启代理环境' ||
         _failcat '启动失败: 执行 "clashstatus" 查看日志' || return 1
 
@@ -56,7 +56,7 @@ function clashstatus() {
 function clashui() {
     # 防止tun模式强制走代理获取不到真实公网ip
     clashoff >&/dev/null
-    _get_kernel_port
+    _get_ui_port
     # 公网ip
     # ifconfig.me
     local query_url='api64.ipify.org'

script/common.sh

@@ -119,15 +119,10 @@ _get_random_port() {
     _get_random_port
 }
 
-function _get_kernel_port() {
+function _get_proxy_port() {
     local mixed_port=$(sudo "$BIN_YQ" '.mixed-port // ""' $CLASH_CONFIG_RUNTIME)
-    local ext_addr=$(sudo "$BIN_YQ" '.external-controller // ""' $CLASH_CONFIG_RUNTIME)
-    local ext_port=${ext_addr##*:}
-
     MIXED_PORT=${mixed_port:-7890}
-    UI_PORT=${ext_port:-9090}
 
-    # 端口占用场景
     _is_already_in_use "$MIXED_PORT" "$BIN_KERNEL_NAME" && {
         local newPort=$(_get_random_port)
         local msg="端口占用：${MIXED_PORT} 🎲 随机分配：$newPort"
@@ -135,6 +130,13 @@ function _get_kernel_port() {
         MIXED_PORT=$newPort
         _failcat '🎯' "$msg"
     }
+}
+
+function _get_ui_port() {
+    local ext_addr=$(sudo "$BIN_YQ" '.external-controller // ""' $CLASH_CONFIG_RUNTIME)
+    local ext_port=${ext_addr##*:}
+    UI_PORT=${ext_port:-9090}
+
     _is_already_in_use "$UI_PORT" "$BIN_KERNEL_NAME" && {
         local newPort=$(_get_random_port)
         local msg="端口占用：${UI_PORT} 🎲 随机分配：$newPort"