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update 2026-09-26 11:07:27
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@@ -1,221 +0,0 @@
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#!/bin/sh
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. /usr/share/passwall/utils.sh
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APP_FILE=${APP_PATH}/app.sh
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flag=0
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check_process() {
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while busybox pgrep -af "${CONFIG}/" | grep -E 'app\.sh.*(start|stop)|nftables\.sh|iptables\.sh|subscribe\.lua' >/dev/null; do
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sleep 6s
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done
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}
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test_url() {
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local url="$1"
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local try="${2:-1}"
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local timeout="${3:-2}"
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local extra_params="$4"
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local repeat="$5"
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if [ -z "$curl_retry_all_errors" ]; then
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if /usr/bin/curl --help all | grep -q "\-\-retry-all-errors"; then
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curl_retry_all_errors=1
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fi
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fi
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[ "$curl_retry_all_errors" = "1" ] && extra_params="--retry-all-errors ${extra_params}"
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local max_time=$((timeout * (try + 1) + try + 3))
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curl_test() {
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/usr/bin/curl -skIL -o /dev/null ${extra_params} --max-time ${max_time} --connect-timeout ${timeout} --retry ${try} --retry-delay 1 -w "%{http_code}" "$url"
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}
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local status=$(curl_test)
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[ "$status" = "204" ] && status=200
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if [ "$status" = "200" ] && [ "$repeat" = "1" ]; then
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sleep 3s
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status=$(curl_test)
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[ "$status" = "204" ] && status=200
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fi
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echo $status
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}
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test_proxy() {
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local result=0
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local status=$(test_url "${probe_url}" ${retry_num} ${connect_timeout} "-x socks5h://127.0.0.1:${socks_port}")
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if [ "$status" = "200" ]; then
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result=0
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else
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local status2=$(test_url "https://www.baidu.com" ${retry_num} ${connect_timeout})
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if [ "$status2" = "200" ]; then
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result=1
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else
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result=2
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ping -c 3 -W 1 223.5.5.5 > /dev/null 2>&1
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[ $? -eq 0 ] && {
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result=1
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}
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fi
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fi
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echo $result
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}
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test_node() {
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local node_id=$1
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local _type=$(echo $(config_n_get ${node_id} type) | tr 'A-Z' 'a-z')
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[ -n "${_type}" ] && {
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check_process
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local _tmp_port=$(get_new_port 48800 tcp,udp)
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NO_REC_PROCESS=1 $APP_FILE run_socks flag="test_node_${node_id}" node=${node_id} bind=127.0.0.1 socks_port=${_tmp_port} config_file=test_node_${node_id}.json
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sleep 2s
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local curlx="socks5h://127.0.0.1:${_tmp_port}"
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local _proxy_status=$(test_url "${probe_url}" ${retry_num} ${connect_timeout} "-x $curlx" 1)
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# 结束 SS 插件进程
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local pid_file="${TMP_PATH}/test_node_${node_id}_plugin.pid"
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[ -s "$pid_file" ] && kill -9 "$(head -n 1 "$pid_file")" >/dev/null 2>&1
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busybox pgrep -af "test_node_${node_id}" | awk '! /socks_auto_switch\.sh/{print $1}' | xargs kill -9 >/dev/null 2>&1
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rm -rf ${TMP_PATH}/test_node_${node_id}*.*
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if [ "${_proxy_status}" -eq 200 ]; then
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return 0
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fi
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}
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return 1
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}
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try_switch_backup() {
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local b_nodes="$1"
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local now_node="$2"
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local total tried
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local new_node msg
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local first_node found node
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# 只有一个后备节点时，与主节点轮询
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if [ "$backup_node_num" -eq 1 ]; then
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b_nodes="$b_nodes $main_node"
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fi
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total=$(printf "%s\n" "$b_nodes" | wc -w)
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tried=0
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while [ "$tried" -lt "$total" ]; do
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new_node=""
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first_node=""
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found=""
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for node in $b_nodes; do
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[ -z "$first_node" ] && first_node="$node" # 记录第一个节点
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[ "$found" = "1" ] && { new_node="$node"; break; } # 找到当前节点后取下一个
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[ "$node" = "$now_node" ] && found=1 # 标记找到当前节点
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done
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# 如果没找到当前节点，或者当前节点是最后一个，就取第一个节点
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[ -z "$new_node" ] && new_node="$first_node"
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local node_role node_type node_remarks
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if [ "$new_node" = "$main_node" ]; then
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node_role="主节点"
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else
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node_role="后备节点"
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fi
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node_type=$(config_n_get $new_node type)
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node_remarks=$(config_n_get $new_node remarks)
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echolog "Socks切换检测：端口[${socks_port}] 尝试${node_role}【${node_type}：[$node_remarks]】"
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if test_node ${new_node}; then
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check_process
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echolog "Socks切换检测：端口[${socks_port}]【${node_type}：[$node_remarks]】正常，切换到此节点！"
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NO_REC_PROCESS=1 $APP_FILE socks_node_switch flag=${id} new_node=${new_node}
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[ $? -eq 0 ] && {
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echolog "Socks切换检测：端口[${socks_port}] 节点切换完毕！"
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}
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return 0
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fi
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echolog "Socks切换检测：端口[${socks_port}]【${node_type}：[$node_remarks]】异常。"
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now_node="$new_node"
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tried=$((tried + 1))
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done
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echolog "Socks切换检测：端口[${socks_port}] 所有节点均不可用！"
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return 1
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}
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test_auto_switch() {
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flag=$((flag + 1))
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local b_nodes=$1
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local now_node=$2
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[ -z "$now_node" ] && {
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if [ -n "$(get_cache_var "${id}")" ]; then
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now_node=$(get_cache_var "${id}")
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else
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#echolog "Socks切换检测：未知错误"
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return 1
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fi
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}
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[ $flag -le 1 ] && main_node=$now_node
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local status=$(test_proxy)
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if [ "$status" = "2" ]; then
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echolog "Socks切换检测：无法连接到网络，请检查网络是否正常！"
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return 2
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fi
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#检测主节点是否能使用
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if [ "$restore_switch" = "1" ] && [ -n "$main_node" ] && [ "$now_node" != "$main_node" ]; then
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test_node ${main_node}
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[ $? -eq 0 ] && {
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check_process
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echolog "Socks切换检测：端口[${socks_port}] 主节点【$(config_n_get $main_node type)：[$(config_n_get $main_node remarks)]】正常，切换到主节点！"
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NO_REC_PROCESS=1 $APP_FILE socks_node_switch flag=${id} new_node=${main_node}
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[ $? -eq 0 ] && echolog "Socks切换检测：端口[${socks_port}] 节点切换完毕！"
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return 0
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}
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fi
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[ "$status" = "0" ] && {
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#echolog "Socks切换检测：${id}【$(config_n_get $now_node type)：[$(config_n_get $now_node remarks)]】正常。"
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return 0
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}
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echolog "Socks切换检测：端口[${socks_port}]【$(config_n_get $now_node type)：[$(config_n_get $now_node remarks)]】异常。"
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try_switch_backup "$b_nodes" "$now_node"
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return $?
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}
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start() {
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id=$1
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LOCK_FILE=${LOCK_PATH}/${CONFIG}_socks_auto_switch_${id}.lock
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main_node=$(config_n_get $id node)
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socks_port=$(config_n_get $id port 0)
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delay=$(config_n_get $id autoswitch_testing_time 30)
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connect_timeout=$(config_n_get $id autoswitch_connect_timeout 3)
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retry_num=$(config_n_get $id autoswitch_retry_num 1)
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restore_switch=$(config_n_get $id autoswitch_restore_switch 0)
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probe_url=$(config_n_get $id autoswitch_probe_url "https://www.google.com/generate_204")
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backup_node=$(lua_api "get_socks_backup_nodes(\"${id}\")")
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if [ -n "$backup_node" ]; then
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backup_node_num=$(printf "%s\n" "$backup_node" | wc -w)
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echolog " - Socks切换检测：端口[${socks_port}] 后备节点数量：${backup_node_num}"
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if [ "$backup_node_num" -eq 1 ]; then
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[ "$main_node" = "$backup_node" ] && return
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elif [ "$backup_node_num" -gt 1 ]; then
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[ "$restore_switch" != "1" ] && {
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[ -z "$(echo $backup_node | grep -F "$main_node")" ] && backup_node="${backup_node} ${main_node}"
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}
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fi
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else
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echolog " - Socks切换检测：端口[${socks_port}] 后备节点数量：0"
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return
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fi
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while [ -n "$backup_node" ]; do
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[ -f "$LOCK_FILE" ] && {
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sleep 6s
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continue
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}
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check_process
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touch $LOCK_FILE
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test_auto_switch "$backup_node"
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rm -f $LOCK_FILE
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sleep ${delay}
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done
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}
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start $@
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