acl/lib_acl_cpp/include/acl_cpp/stream/socket_stream.hpp

#pragma once
#include "../acl_cpp_define.hpp"
#if defined(_WIN32) || defined(_WIN64)
#include <WinSock2.h>
#endif
#include <string>
#include "istream.hpp"
#include "ostream.hpp"

struct ACL_VSTREAM;

namespace acl {

class ACL_CPP_API socket_stream
	: public istream
	, public ostream
{
public:
	socket_stream(void);
	virtual ~socket_stream(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ִ򿪵<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param fd <EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD>
	 * @param udp_mode {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD> UDP <EFBFBD><EFBFBD>ʽ
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
#if defined(_WIN32) || defined(_WIN64)
	bool open(SOCKET fd, bool udp_mode = false);
#else
	bool open(int fd, bool udp_mode = false);
#endif

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> ACL_VSTREAM <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param vstream {ACL_VSTREAM*}
	 * @param udp_mode {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD> UDP <EFBFBD><EFBFBD>ʽ
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool open(ACL_VSTREAM* vstream, bool udp_mode = false);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>̷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param addr {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽ӿڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>UNIXƽ̨),
	 *  <EFBFBD><EFBFBD><EFBFBD>׽ӵ<EFBFBD>ַ<EFBFBD><EFBFBD>/tmp/test.sock; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>TCP<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ʽΪ:
	 *  [${local_ip}@]${remote_addr}, <EFBFBD><EFBFBD>: 60.28.250.199@www.sina.com:80,
	 *  <EFBFBD><EFBFBD>˼<EFBFBD>ǰ󶨱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ: 60.28.250.199, Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> www.sina.com <EFBFBD><EFBFBD> 80,
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OS<EFBFBD>Զ<EFBFBD><EFBFBD>󶨱<EFBFBD><EFBFBD><EFBFBD> IP <EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>дΪ<EFBFBD><EFBFBD>www.sina.com:80
	 * @param conn_timeout {int} <EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱʱ<EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>)
	 * @param rw_timeout {int} <EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>)
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool open(const char* addr, int conn_timeout, int rw_timeout);

	/**
	 * <EFBFBD>󶨱<EFBFBD><EFBFBD><EFBFBD> UDP <EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> UDP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param addr {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ip:port
	 * @param rw_timeout {int} <EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ʱʱ<EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>)
	 * @param flag {unsigned}
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ɹ<EFBFBD>
	 */
	bool bind_udp(const char* addr, int rw_timeout = 0, unsigned flag = 0);

	/**
	 * <EFBFBD>ر<EFBFBD><EFBFBD>׽ӿڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool}
	 */
	bool shutdown_read(void);

	/**
	 * <EFBFBD>ر<EFBFBD><EFBFBD>׽ӿ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool}
	 */
	bool shutdown_write(void);

	/**
	 * <EFBFBD>ر<EFBFBD><EFBFBD>׽ӿڶ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {bool}
	 */
	bool shutdown_readwrite(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӿ<EFBFBD><EFBFBD><EFBFBD>
	 * @return {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> - 1(UNIX ƽ̨)
	 *  <EFBFBD><EFBFBD> INVALID_SOCKET(win32ƽ̨)
	 */
#if defined(_WIN32) || defined(_WIN64)
	SOCKET sock_handle(void) const;
#else
	int   sock_handle(void) const;
#endif

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ󶨹<EFBFBD>ϵ<EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֵĹ<EFBFBD><EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>رո<EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>ӹܸ<EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뽫<EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> close/open <EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {ACL_SOCKET} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> ACL_SOCKET_INVALID <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  <EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD>
	 */
#if defined(_WIN32) || defined(_WIN64)
	SOCKET unbind_sock(void);
#else
	int    unbind_sock(void);
#endif

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> socket <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>У<EFBFBD>AF_INET, AF_INT6, AF_UNIX<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> -1
	 */
	int sock_type(void) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵĵ<EFBFBD>ַ
	 * @param full {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IP:PORT<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>
	 *  Ϊ false<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IP<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> IP:PORT
	 * @return {const char*} Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ == '\0' <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	 *  <EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ַ
	 */
	const char* get_peer(bool full = false) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD> IP <EFBFBD><EFBFBD>ַ
	 * @return {const char*} Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ == '\0' <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	 *  <EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>ַ
	 */
	const char* get_peer_ip(void) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD><EFBFBD><EFBFBD>䷽ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD>
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>̶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>UDP <EFBFBD><EFBFBD><EFBFBD>䷽ʽʱ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>̵<EFBFBD>ַ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD>
	 * <EFBFBD>ſ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param addr {const char*} Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ip:port
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool set_peer(const char* addr);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵı<EFBFBD><EFBFBD>ص<EFBFBD>ַ
	 * @param full {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IP:PORT<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>
	 *  Ϊ false<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> IP<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> IP:PORT
	 * @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵı<EFBFBD><EFBFBD>ص<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ == "" <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	 *  <EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD>ص<EFBFBD>ַ
	 */
	const char* get_local(bool full = false) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵı<EFBFBD><EFBFBD><EFBFBD> IP <EFBFBD><EFBFBD>ַ
	 * @return {const char*} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵı<EFBFBD><EFBFBD>ص<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ == "" <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
	 *  <EFBFBD>޷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD>ص<EFBFBD>ַ
	 */
	const char* get_local_ip(void) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD>ñ<EFBFBD><EFBFBD>ص<EFBFBD>ַ
	 * @param addr {const char*} <EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ip:port
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool set_local(const char* addr);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵĴ<EFBFBD><EFBFBD><EFBFBD>״̬(<EFBFBD>ڲ<EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD>˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD><EFBFBD>)
	 * @return {bool} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD>򿪻<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD>ر<EFBFBD>ʱ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> false<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> true
	 */
	bool alive(void) const;

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵ<EFBFBD> nodelay <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param on {bool} true <EFBFBD><EFBFBD>ʾ<EFBFBD>򿪣<EFBFBD>false <EFBFBD><EFBFBD>ʾ<EFBFBD>ر<EFBFBD>
	 * @return {socket_stream&}
	 */
	socket_stream& set_tcp_nodelay(bool on);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵ<EFBFBD> SO_LINGER ѡ<EFBFBD><EFBFBD>
	 * @param on {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SO_LINGER ѡ<EFBFBD><EFBFBD>
	 * @param linger {int} <EFBFBD><EFBFBD>SO_LINGER<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD> timed_wait <EFBFBD><EFBFBD>ʱ<EFBFBD>䣬<EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD>
	 * @return {socket_stream&}
	 */
	socket_stream& set_tcp_solinger(bool on, int linger);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 * @param size {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>С
	 * @return {socket_stream&}
	 */
	socket_stream& set_tcp_sendbuf(int size);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 * @param size {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>С
	 * @return {socket_stream&}
	 */
	socket_stream& set_tcp_recvbuf(int size);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
	 * @param on {bool} <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ true ʱ<EFBFBD><EFBFBD>
	 *  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׽<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
	 * @return {socket_stream&}
	 */
	socket_stream& set_tcp_non_blocking(bool on);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> nodelay ѡ<EFBFBD><EFBFBD>
	 * @return {bool} true <EFBFBD><EFBFBD>ʾ<EFBFBD>򿪣<EFBFBD>false <EFBFBD><EFBFBD>ʾ<EFBFBD>ر<EFBFBD>
	 */
	bool get_tcp_nodelay(void);

	/**
	 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵ<EFBFBD> linger ֵ
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD> -1 <EFBFBD><EFBFBD>ʾδ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> linger ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>>= 0
	 *  <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> linger ѡ<EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD>ֵ<EFBFBD><EFBFBD>ʾ<EFBFBD>׽<EFBFBD><EFBFBD>ֹرպ<EFBFBD><EFBFBD><EFBFBD> TCP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD>
	 *  ά<EFBFBD><EFBFBD> TIME_WAIT ״̬<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>)
	 */
	int get_tcp_solinger(void);

	/**
	 * <EFBFBD><EFBFBD>ȡ TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 */
	int get_tcp_sendbuf(void);

	/**
	 * <EFBFBD><EFBFBD>ȡ TCP <EFBFBD>׽<EFBFBD><EFBFBD>ֵĶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 * @return {int} <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
	 */
	int get_tcp_recvbuf(void);

	/**
	 * <EFBFBD>жϵ<EFBFBD>ǰ<EFBFBD>׽<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
	 * @return {bool}
	 * ע<EFBFBD><EFBFBD><EFBFBD>÷<EFBFBD><EFBFBD><EFBFBD>Ŀǰ<EFBFBD><EFBFBD>֧<EFBFBD><EFBFBD> UNIX ƽ̨
	 */
	bool get_tcp_non_blocking(void);

private:
	std::string ipbuf_;
	const char* get_ip(const char* addr, std::string& out);
};

} // namespace acl