using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net.NetworkInformation;
using System.Threading;

namespace AGVSystem
{
    public partial class APTest : Form
    {
        private ClsDBConn_sql db = new ClsDBConn_sql();
        private System.Data.DataSet ds = new System.Data.DataSet();
        private Ping ping = new Ping();
        public APTest()
        {
            InitializeComponent();
            ds = db.connDt("select id as 编号, ipaddress as ip地址 , ssid ,'' as 网络状态  from AP_Site");
            if (ds.Tables.Count > 0)
            {
                dataGridView1.DataSource = ds.Tables[0];
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            button1.Enabled = false;
            Thread newth = new Thread(pingnet);
            newth.Start();
        }

        private delegate void PingNet();
        private void pingnet()
        {
            if (InvokeRequired)
            {
                this.Invoke(new PingNet(pingnet));
            }
            else
            {
                if (dataGridView1.RowCount > 0)
                {                    
                    for (int row = 0; row < dataGridView1.RowCount; row++)
                    {
                        try
                        {
                            if (ping.Send(dataGridView1.Rows[row].Cells["ip地址"].Value.ToString(),1000).Status == IPStatus.Success)
                            {
                                dataGridView1.Rows[row].Cells["网络状态"].Value = "[" + DateTime.Now.ToLongTimeString() + "]:ok";
                            }
                            else
                            {
                                dataGridView1.Rows[row].Cells["网络状态"].Value = "[" + DateTime.Now.ToLongTimeString() + "]:网络异常";
                            }
                        }
                        catch
                        {
                            dataGridView1.Rows[row].Cells["网络状态"].Value = "[" + DateTime.Now.ToLongTimeString() + "]:网络异常";
                        }
                    }
                    button1.Enabled = true;
                }
            }
        }
    }
}