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class HttpServer
{
//开始监听服务
public void StartHttpServer()
{
try
{
Console.WriteLine("检查操作系统:" + DateTime.Now.ToString());
if (!HttpListener.IsSupported)
{
Console.WriteLine("无法在当前系统上运行服务(Windows XP SP2 or Server 2003)。" + DateTime.Now.ToString());
return;
}
//需要监听的URL前缀
string svrName = string.Format("http://127.0.0.1:2222/");
HttpListener listener = new HttpListener();
//匿名访问
listener.AuthenticationSchemes = AuthenticationSchemes.Anonymous;
listener.Prefixes.Add(svrName);
//开始监听
listener.Start();
#region
//int maxThread;
//int portThread;
//int minThread;
//int minPortThread;
////线程池最大线程和最小线程空闲数
//ThreadPool.GetMaxThreads(out maxThread,out portThread);
//ThreadPool.GetMinThreads(out minThread,out minPortThread);
//Console.WriteLine("最大线程数:{0}",maxThread);
//Console.WriteLine("最小线程空闲数:{0}", minPortThread);
#endregion
//异步处理请求
listener.BeginGetContext(new AsyncCallback(GetContextCallBack), listener);
Console.WriteLine("{0}", "服务启动成功。");
Console.WriteLine("{0}", svrName);
}
catch(Exception e)
{
Console.WriteLine(e.Message);
}
}
private void GetContextCallBack(IAsyncResult ar)
{
try
{
HttpListener listener = ar.AsyncState as HttpListener;
ClientUser userInfo;
HttpListenerContext context = listener.EndGetContext(ar);
listener.BeginGetContext(new AsyncCallback(GetContextCallBack),listener);
if (context.Request.HttpMethod.ToLower().ToString() == "get")
{
using (Stream inputStream = context.Request.InputStream)
{
byte[] b = new byte[1024];
int jL = inputStream.Read(b, 0, b.Length);
string json = Encoding.UTF8.GetString(b,0,jL);
}
Console.WriteLine("GET Request...");
//就不返回数据了
}
else if (context.Request.HttpMethod.ToLower().ToString() == "post")
{
//读取客户端发送过来的数据
using (Stream inputStream = context.Request.InputStream)
{
byte[] buffer = new byte[1024];
//读取用户发送过来的正文
int jsonLength = inputStream.Read(buffer, 0, buffer.Length);
if (jsonLength <= 0) return;
//将其转为字符串
string json = Encoding.UTF8.GetString(buffer, 0, jsonLength);
userInfo = Newtonsoft.Json.JsonConvert.DeserializeObject<ClientUser>(json);
//验证数据库
//返回登录结果
using (Stream outputStream = context.Response.OutputStream)
{
string response = "{\"LoginState\":{\"1\"}}";
byte[] bf = Encoding.UTF8.GetBytes(response);
outputStream.Write(bf, 0, bf.Length);
}
}
}
context.Response.OutputStream.Close();
Console.WriteLine("关闭会话。" + DateTime.Now.ToString());
}
catch(Exception ex)
{
Console.WriteLine("验证用户信息失败:" + ex.Message);
}
}
}
/// <summary>
/// 该类用于连接服务器
/// </summary>
public class ConnectServer
{
private const string SERVER_URL = "http://127.0.0.1:2222/";
private AutoResetEvent _done = new AutoResetEvent(false);
public void RequestConnect(string user,string password)
{
//创建用户登录Json
string loginJson = CreateJson(user,password);
//定义头信息
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(SERVER_URL);
request.Method = "POST";
//request.AllowWriteStreamBuffering = true;
RequestState requestState = new RequestState
{
UserJson = loginJson,
Request = request
};
//开始对用来写入数据的 Stream 对象的异步请求
request.BeginGetRequestStream(new AsyncCallback(BeginRequest), requestState);
}
/// <summary>
/// 创建登录Json
/// </summary>
/// <param name="user">用户名</param>
/// <param name="password">密码</param>
/// <returns>string</returns>
private string CreateJson(string user, string password)
{
return "{\"UserInfo\":{\"user\":\"" + user + "\",\"password\":\"" + password + "\"}}";
}
/// <summary>
/// 开始回调读取方法
/// </summary>
/// <param name="ar"></param>
private void BeginRequest(IAsyncResult ar)
{
RequestState requestState = ar.AsyncState as RequestState;
using (StreamWriter sw = new StreamWriter(requestState.Request.EndGetRequestStream(ar)))
{
sw.Write(requestState.UserJson);
sw.Flush();
sw.Close();
}
//开始对 Internet 资源的异步请求。
requestState.Request.BeginGetResponse(new AsyncCallback(BeginResponse), requestState);
//等待释放信号
_done.WaitOne();
}
//开始对 Internet 资源的异步请求。
private void BeginResponse(IAsyncResult ar)
{
try
{
//RequestState requestState = ar.AsyncState as RequestState;
HttpWebRequest requestState = ar.AsyncState as HttpWebRequest;
WebResponse response = requestState.EndGetResponse(ar);
using (Stream responseStream = response.GetResponseStream())
{
StreamReader streamReader = new StreamReader(responseStream);
string context = streamReader.ReadToEnd();
}
//关闭响应
response.GetResponseStream().Close();
//发送释放信号
_done.Set();
}
catch
{
MessageBox.Show("登录失败。", "提示", MessageBoxButton.OK);
}
}
}