public HttpHandlerBase(HttpServer server, CometCommand command)
{
if (server == null)
{
throw new Exception("HttpServer cannot be null.");
}
if (command == null)
{
throw new Exception("CometCommand cannot be null.");
}
Server = server;
Command = command;
}
/// <summary>
/// 初始化服务器支持的协议
/// </summary>
/// <param name="commandList"></param>
public void InitCommand(List <string> commandList)
{
string commandJson = string.Empty;
ComandList = new List <CometCommand>(commandList.Count);
for (int i = 0; i < commandList.Count; i++)
{
commandJson = commandList[i];
try
{
CometCommand command = JsonHelper.JsonToObj <CometCommand>(commandJson);
if (command != null)
{
ComandList.Add(command);
}
}
catch { }
}
}
/// <summary>
/// 注册Handler
/// </summary>
/// <param name="command"></param>
/// <param name="cmdHandler"></param>
public void RegistCommandHandler(CometCommand command, Handler.IHttpHandler cmdHandler)
{
if (command == null || cmdHandler == null || _CometCommands == null)
{
return;
}
CometCommandHandlerPipeline handlers = null;
if (_CometCommands.ContainsKey(command.CommandID))
{
handlers = _CometCommands[command.CommandID];
handlers.RegistHandler(cmdHandler);
}
else
{
handlers = new CometCommandHandlerPipeline(this, command);
handlers.RegistHandler(cmdHandler);
_CometCommands[command.CommandID] = handlers;
}
}
/// <summary>
/// 根据命令实例化管道处理命令类
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
private IHttpHandler ParseCometCommand(CometCommand cmd)
{
string currAssemblyName = Process.GetCurrentProcess().MainModule.FileName;
currAssemblyName = currAssemblyName.Substring(currAssemblyName.LastIndexOf("\\") + 1).Replace(".vshost", "");
Assembly assembly = Assembly.LoadFrom(currAssemblyName);
Type[] assemblyAllTypes = assembly.GetTypes();
Type currCommand = null;
foreach (Type type in assemblyAllTypes)
{
if (type.Name == cmd.ToString())
{
currCommand = type;
break;
}
}
IHttpHandler commandHandler = Activator.CreateInstance(currCommand) as IHttpHandler;
return(commandHandler);
}
public ValidationUserKey(HttpServer server, CometCommand command) : base(server, command)
{
}
public Default(HttpServer server, CometCommand command) : base(server, command)
{
}
/// <summary>
/// 处理用户请求
/// </summary>
/// <param name="clmngr"></param>
/// <param name="message"></param>
/// <returns></returns>
public override bool HandleRequest(ClientManager clmngr, ISocketMessage message)
{
bool goRecieving = false;
HttpContext context = null;
try
{
_RequestTimes++;
HttpRequest request = HttpRequest.ParseFromRawMessage(this, message.ToString());
if (!request.IsRequestError)
{
//检查主机头是否符合设置
if (!CheckRequestHost(request))
{
//shutdown client
ShutdownClient(clmngr);
return(goRecieving);
}
//获取该request的handlers
CometCommandHandlerPipeline handlePipeline = GetRegistedCommandHandlers(request);
if (handlePipeline == null)
{
//shutdown client
ShutdownClient(clmngr);
return(goRecieving);
}
context = new HttpContext(this, clmngr, request);
CometCommand cometCmd = handlePipeline.Command;
request.Command = cometCmd;
if (!clmngr.IsAuthedUser)
{
RegistUser(clmngr, request);
}
//如果要求长连接
if (cometCmd.RequireKeepAlive)
{
//登记本次请求事务
if (RegistKeepAliveRequestContext(clmngr, request) == null)
{
//shutdown client
ShutdownClient(clmngr);
return(goRecieving);
}
}
//执行处理管道
if (handlePipeline.Count > 0)
{
foreach (Handler.IHttpHandler handler in handlePipeline.Handlers)
{
if (handler != null)
{
handler.HandleRequest(clmngr, context);
}
}
}
}
else
{
HandleErrorRequest(clmngr, request);
}
}
catch (Exception ex)
{
if (ex is BussinessException)
{
ExceptionResult result = new ExceptionResult()
{
ErrorCode = "B10001",
ErrorMessage = ex.Message
};
context.Response.Write(Common.Utility.Json.JsonHelper.ObjToJson(result));
}
else
{
ShutdownClient(clmngr);
Console.WriteLine(string.Format("Error occured when HandleRequest:{0} ", ex.Message));
}
}
finally { }
return(goRecieving);
}
/// <summary>
/// 找到与Request匹配的处理管道
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private CometCommandHandlerPipeline GetRegistedCommandHandlers(HttpRequest request)
{
CometCommand command = CometCommand.ParseFromRequest(request);
return(GetRegistedCommandHandlers(command.CommandID));
}
