acl/lib_acl_cpp/include/acl_cpp/stdlib/dns_service.hpp

#pragma once
#include "acl_cpp/acl_cpp_define.hpp"
#include <list>
#include "acl_cpp/ipc/ipc_service.hpp"
#include "acl_cpp/stdlib/string.hpp"
#include "acl_cpp/stream/aio_handle.hpp"
#include "acl_cpp/stream/aio_delay_free.hpp"

namespace acl
{

class ACL_CPP_API dns_res
{
public:
	dns_res(const char* domain) : domain_(domain) {}
	~dns_res() { ips_.clear(); }

	string domain_;
	std::list<string> ips_;
protected:
private:
};

class ACL_CPP_API dns_result_callback
{
public:
	dns_result_callback(const char* domain) : domain_(domain) {}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̻<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> destroy <EFBFBD>ӿڣ<EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸýӿ<EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD>һЩ<EFBFBD>ͷŹ<EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䵱<EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ڸú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> delete this <EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>տ϶<EFBFBD>
	 * <EFBFBD>ᱻ<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>಻Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ط<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void destroy(void) {}

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ִ˽ӿڣ<EFBFBD><EFBFBD>Ի<EFBFBD><EFBFBD>ò<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> res.ips_.size() == 0
	 * <EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>
	 * @param domain {const char*} <EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param res {const dns_res&} <EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  ע<EFBFBD><EFBFBD><EFBFBD>ڸûص<EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD> dns_service <EFBFBD><EFBFBD><EFBFBD>󣬷<EFBFBD><EFBFBD>򽫻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *      <EFBFBD>ڴ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ûص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> dns_service <EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD>õģ<EFBFBD>
	 *      <EFBFBD>ڸú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>غ<EFBFBD> dns_service <EFBFBD><EFBFBD><EFBFBD>󻹻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>
	 */
	virtual void on_result(const char* domain, const dns_res& res) = 0;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	 */
	const string& get_domain() const { return (domain_); }
protected:
	virtual ~dns_result_callback() {}
private:
	string domain_;
};

class ipc_client;

class ACL_CPP_API dns_service
	: public ipc_service
	, public aio_delay_free
{
public:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
	 * @param nthread {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ > 1 <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳߳أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>
	 * @param win32_gui {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD>Ǵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD>
	 *  ͨѶģʽ<EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> WIN32 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD>õ<EFBFBD><EFBFBD>׽<EFBFBD>
	 *  <EFBFBD><EFBFBD>ͨѶ<EFBFBD><EFBFBD>ʽ
	 */
	dns_service(int nthread = 1, bool win32_gui = false);
	~dns_service();

	/**
	 * <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param callback {dns_result_callback*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϻ<EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  <EFBFBD>Ļص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> on_result
	 */
	void lookup(dns_result_callback* callback);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪ͨ<EFBFBD><EFBFBD><EFBFBD>̵߳IJ<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD>󣬸ò<EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param res {const dns_res&} <EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	void on_result(const dns_res& res);
protected:
	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>麯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD>
	 * @param client {aio_socket_stream*} <EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µĿͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void on_accept(aio_socket_stream* client);

#ifdef WIN32
	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>麯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵߳<EFBFBD> win32 <EFBFBD><EFBFBD>Ϣʱ<EFBFBD>Ļص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param hWnd {HWND} <EFBFBD><EFBFBD><EFBFBD>ھ<EFBFBD><EFBFBD><EFBFBD>
	 * @param msg {UINT} <EFBFBD>û<EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
	 * @param wParam {WPARAM} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param lParam {LPARAM} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	virtual void win32_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
#endif
private:
	std::list<dns_result_callback*> callbacks_;
};

}