#!/bin/bash
# 测试公网连接脚本

echo "=========================================="
echo "测试公网IP连接"
echo "=========================================="
echo ""

SERVER_IP="101.43.95.130"
PORT="8039"

echo "服务器: $SERVER_IP:$PORT"
echo ""

# 测试1: 检查端口是否可达
echo "1. 检查端口连通性..."
if timeout 3 bash -c "echo >/dev/tcp/$SERVER_IP/$PORT" 2>/dev/null; then
    echo "✓ 端口 $PORT 可达"
else
    echo "✗ 端口 $PORT 不可达"
    echo "  可能原因:"
    echo "  - 云服务器安全组未配置"
    echo "  - 服务器本地防火墙未开放"
    echo "  - 网络路由问题"
fi
echo ""

# 测试2: 测试HTTP连接
echo "2. 测试HTTP连接..."
response=$(curl -s -w "\nHTTP_CODE:%{http_code}" --connect-timeout 5 \
    "http://$SERVER_IP:$PORT/appLogin" \
    -X POST \
    -H "Content-Type: application/x-www-form-urlencoded" \
    -d "username=admin&password=admin123" 2>&1)

http_code=$(echo "$response" | grep "HTTP_CODE" | cut -d: -f2)
body=$(echo "$response" | sed '/HTTP_CODE/d')

if [ "$http_code" = "200" ]; then
    echo "✓ HTTP连接成功 (状态码: $http_code)"
    echo "响应内容:"
    echo "$body" | python3 -m json.tool 2>/dev/null | head -10 || echo "$body" | head -5
elif [ -n "$http_code" ]; then
    echo "⚠️  HTTP连接返回状态码: $http_code"
    echo "响应内容:"
    echo "$body" | head -5
else
    echo "✗ 无法连接到服务器"
    echo "错误信息: $response"
fi
echo ""

# 测试3: 检查服务器本地防火墙
echo "3. 检查服务器本地防火墙..."
if command -v firewall-cmd &> /dev/null; then
    if sudo firewall-cmd --list-ports 2>/dev/null | grep -q "8039/tcp"; then
        echo "✓ 本地防火墙已开放8039端口"
    else
        echo "⚠️  本地防火墙未开放8039端口"
        echo "执行以下命令开放端口:"
        echo "  sudo firewall-cmd --permanent --add-port=8039/tcp"
        echo "  sudo firewall-cmd --reload"
    fi
else
    echo "⚠️  未检测到firewalld，请检查iptables或其他防火墙"
fi
echo ""

echo "=========================================="
echo "总结"
echo "=========================================="
echo "如果端口不可达，请检查:"
echo "1. 云服务器控制台 → 防火墙 → 已配置8039端口规则 ✓"
echo "2. 服务器本地防火墙 → 需要开放8039端口"
echo "3. 服务器是否正在运行"
echo ""