#!/bin/bash
# 修复版服务器 - 绑定所有接口

SERVER_PORT=25555
LOG_FILE="/tmp/server_fixed.log"

echo "启动修复版服务器（绑定所有接口）..."

while true; do
    echo "$(date): 等待客户端连接 0.0.0.0:$SERVER_PORT..." | tee -a "$LOG_FILE"
    
    # 使用-l 和 -k 参数，绑定所有接口并保持监听
    nc -l -k -p $SERVER_PORT -s 0.0.0.0 -c '
        client_ip=$(echo $SSH_CLIENT | awk "{print \$1}")
        if [[ -z "$client_ip" ]]; then
            client_ip="unknown"
        fi
        
        read -r data
        timestamp=$(date "+%Y-%m-%d %H:%M:%S")
        
        echo "收到来自 $client_ip 的数据: $data" | tee -a /tmp/server_debug.log
        
        if echo "$data" | grep -q "HEARTBEAT|"; then
            IFS="|" read -r heartbeat serial hostname system <<< "$data"
            
            # 记录到临时文件
            echo "$serial|$client_ip|$hostname|$system|$timestamp" >> /tmp/clients_debug.txt
            
            echo "ACK:OK"
            echo "✅ 客户端 $serial 连接成功 - $hostname ($client_ip)" | tee -a "$LOG_FILE"
        else
            echo "ACK:UNKNOWN_COMMAND"
        fi
    '
    
    sleep 1
done