parent
dc043d541d
commit
ff54d8f020
@ -0,0 +1,70 @@
|
||||
/*
|
||||
Copyright (c) 2021 Sogou, Inc.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
Authors: Liu Kai (liukaidx@sogou-inc.com)
|
||||
*/
|
||||
|
||||
#ifndef _WFDNSSERVER_H_
|
||||
#define _WFDNSSERVER_H_
|
||||
|
||||
#include "DnsMessage.h" // 引入 DNS 消息相关的头文件
|
||||
#include "WFServer.h" // 引入服务器功能的头文件
|
||||
#include "WFTaskFactory.h" // 引入任务工厂以创建 DNS 任务
|
||||
|
||||
// 定义一个 dns_process_t 类型,它是一个接受 WFDnsTask 指针并返回 void 的函数对象
|
||||
using dns_process_t = std::function<void (WFDnsTask *)>;
|
||||
|
||||
// 定义 WFDnsServer 类型,基于 WFServer 模板类,使用 DnsRequest 和 DnsResponse 作为协议
|
||||
using WFDnsServer = WFServer<protocol::DnsRequest, protocol::DnsResponse>;
|
||||
|
||||
// 设置 DNS 服务器的默认参数
|
||||
static constexpr struct WFServerParams DNS_SERVER_PARAMS_DEFAULT =
|
||||
{
|
||||
.transport_type = TT_UDP, // 传输类型为 UDP
|
||||
.max_connections = 2000, // 最大连接数
|
||||
.peer_response_timeout = 10 * 1000, // 对端响应超时时间
|
||||
.receive_timeout = -1, // 接收超时时间,-1 表示不超时
|
||||
.keep_alive_timeout = 300 * 1000, // 保持连接的超时时间
|
||||
.request_size_limit = (size_t)-1, // 请求大小限制,-1 表示无限制
|
||||
.ssl_accept_timeout = 5000, // SSL 接受超时时间
|
||||
};
|
||||
|
||||
// WFDnsServer 构造函数的特化模板
|
||||
template<> inline
|
||||
WFDnsServer::WFServer(dns_process_t proc) :
|
||||
WFServerBase(&DNS_SERVER_PARAMS_DEFAULT), // 调用基类构造函数,传入默认参数
|
||||
process(std::move(proc)) // 移动构造函数以提高性能
|
||||
{
|
||||
}
|
||||
|
||||
// 创建新的会话,重写基类方法
|
||||
template<> inline
|
||||
CommSession *WFDnsServer::new_session(long long seq, CommConnection *conn)
|
||||
{
|
||||
WFDnsTask *task;
|
||||
|
||||
// 使用任务工厂创建一个新的 DNS 任务
|
||||
task = WFServerTaskFactory::create_dns_task(this, this->process);
|
||||
// 设置保持连接的超时时间
|
||||
task->set_keep_alive(this->params.keep_alive_timeout);
|
||||
// 设置接收超时时间
|
||||
task->set_receive_timeout(this->params.receive_timeout);
|
||||
// 设置请求大小限制
|
||||
task->get_req()->set_size_limit(this->params.request_size_limit);
|
||||
|
||||
return task; // 返回创建的任务
|
||||
}
|
||||
|
||||
#endif // _WFDNSSERVER_H_
|
Loading…
Reference in new issue