//构思
// 生成Json格式的返回
//统一Json返回格式，方便使用
public static JObject JResult(string returnCode, string returnMsg)//返回x
{
ErrorRootobject JMsg = new ErrorRootobject()
{
ReturnCode = returnCode,
msg = returnMsg
};
string serial = JsonConvert.SerializeObject(JMsg);
JObject result = (JObject)JsonConvert.DeserializeObject(serial);
return(result);
}
//配置HTTP请求管道
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddConsole(LogLevel.Debug);
loggerFactory.AddDebug(LogLevel.Debug);
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
app.UseBrowserLink();
}
// app.UseRequestIP();//添加自定义的中间件
app.UseAuthentication(); //添加身份验证中间件
app.UseWebSockets(); //添加webSocket中间件
#if UseOptions
#region UseWebSocketsOptions
var webSocketOptions = new WebSocketOptions()
{
KeepAliveInterval = TimeSpan.FromSeconds(120),
ReceiveBufferSize = 4 * 1024
};
app.UseWebSockets(webSocketOptions);
#endregion
#endif
#region AcceptWebSocket
app.Use(async(context, next) =>
{
if (context.Request.Path == "/subserver/ws")//这里可以定义路径的格式
{
if (context.WebSockets.IsWebSocketRequest)
{
WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync();
var buffer = new byte[1024 * 4];
WebSocketReceiveResult webSocketReceiveResult = await webSocket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
string restring = Encoding.ASCII.GetString(buffer);
JObject jObject = (JObject)JsonConvert.DeserializeObject(restring);//序列化结果
// string PiToken = jObject["PiToken"].ToString();
//验证PiToken
string subserverId = jObject["SubserverID"].ToString();
macAvailable = true;
ErrorRootobject error = new ErrorRootobject
{
ReturnCode = "1001",
msg = "JSON format error"
};
string serial = JsonConvert.SerializeObject(error);
result = (JObject)JsonConvert.DeserializeObject(serial);
if (macAvailable)
{
var conn = new MySqlConnection(Configuration.GetConnectionString("DefaultConnection"));
conn.Open();
var command = conn.CreateCommand();
string query = "SELECT Username"
+ " FROM UserToSubserver "
+ "WHERE SubserverID = '" + subserverId + "'";
command.CommandText = query;
DbDataReader BindedReader = await command.ExecuteReaderAsync();
if (BindedReader.HasRows)
{
//如果查询到被绑定
//我担心会查出一个MAC地址绑定了多个用户的情况
//后期可以设置让MAC地址为主键
BindedReader.Read();
string buser = BindedReader["Username"].ToString();
error.ReturnCode = "1005";
error.msg = " This Subserver is owned by " + buser;
serial = JsonConvert.SerializeObject(error);
result = (JObject)JsonConvert.DeserializeObject(serial);
var buffer1 = Encoding.ASCII.GetBytes(serial);
//将
await webSocket.SendAsync(new ArraySegment <byte>(buffer1), webSocketReceiveResult.MessageType, webSocketReceiveResult.EndOfMessage, CancellationToken.None);
conn.Close();//关闭连接
//加入到字典中
WebsocketClient.AddToDictionary(subserverId, webSocket);
}
else
{
var buffer1 = new byte[1024 * 4];
error.ReturnCode = "1006";
error.msg = " SubserverID is not bound ";
serial = JsonConvert.SerializeObject(error);
result = (JObject)JsonConvert.DeserializeObject(serial);
buffer1 = Encoding.ASCII.GetBytes(serial);
//将
int a = result.Count;
await webSocket.SendAsync(new ArraySegment <byte>(buffer1), webSocketReceiveResult.MessageType, webSocketReceiveResult.EndOfMessage, CancellationToken.None);
}
conn.Close();
}
//启动监听
await ListenToSubserver(context, webSocket);
}
else
{
context.Response.StatusCode = 400;
}
}
else
{
await next();//调用下一个中间件
}
});
#endregion
app.UseFileServer();//文件服务器中间件
app.UseStaticFiles();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
}