//**********************************************************************
//
// Copyright (C) 2005-2007 Zhang bao yuan(bolidezhang@gmail.com).
// All rights reserved.
//
// This copy of Socketlib is licensed to you under the terms described 
// in the LICENSE.txt file included in this distribution.
//
//**********************************************************************

#pragma once
#include "config.h"

namespace SL
{

#define DEFAULT_BUFFER_SIZE       8192
#define RECV_BUFFER_SIZE          8192
#define SEND_BUFFER_SIZE          8192
#define MAX_SOCKET_CONNECTNUM   500000
#define MAX_SOCKET_FREENUM      500000
#define MAX_LOGBUFFER_LENGTH      1024

//IPV4地址的最大長度,如192.168.128.210
#define MAX_IPADDR_LENGTH       15  

enum IOCP_OPERTYPE
{
	RECV_POSTED = 1,
	SEND_POSTED = 2,
	ACCEPT_POSTED = 3
};

//單句柄數(shù)據(jù)
class CSocketSource;
typedef struct _PER_HANDLE_DATA
{
	SOCKET		    hSocket;
	CSocketSource  *pSocketSource;  //SocketSource指針
	void		   *pAttachInfo;	//上層附加信息指針
}PER_HANDLE_DATA,*PPER_HANDLE_DATA;

//單I/O數(shù)據(jù)基礎結(jié)構(gòu)
typedef struct _PER_IO_OPERATION_BASE
{
	//重疊結(jié)構(gòu)
	OVERLAPPED Overlapped;

	//操作類型表示
	IOCP_OPERTYPE OperType;

	//資源鎖
	CRITICAL_SECTION IoLock;

	//數(shù)據(jù)緩沖區(qū)
	WSABUF SocketBuf;
}PER_IO_OPERATION_BASE,*PPER_IO_OPERATION_BASE;

//帶緩沖區(qū)單句柄I/O數(shù)據(jù)
typedef struct _PER_IO_OPERATION_DATA
{
	//重疊結(jié)構(gòu)
	OVERLAPPED Overlapped;

	//操作類型表示
	IOCP_OPERTYPE OperType;

	//資源鎖
	//CRITICAL_SECTION IoLock;

	//數(shù)據(jù)緩沖區(qū)
	WSABUF SocketBuf;
	char   *szDataBuffer;
}PER_IO_OPERATION_DATA,*PPER_IO_OPERATION_DATA;

//單個Socket會話結(jié)構(gòu)
typedef struct _SOCKET_SESSION
{
	PER_HANDLE_DATA		   PerHandle;   //單句柄數(shù)據(jù)
	PER_IO_OPERATION_DATA  PerIoRecv;   //接收(I/O)
	PER_IO_OPERATION_BASE  PerIoSend;   //發(fā)送(I/O)
}SOCKET_SESSION,*PSOCKET_SESSION;


// UDP完成端口的兩個結(jié)構(gòu)

//單I/O數(shù)據(jù)基礎結(jié)構(gòu)
typedef struct _PER_IO_OPERATION_BASE_UDP
{
	//重疊結(jié)構(gòu)
	OVERLAPPED Overlapped;

	//操作類型表示
	IOCP_OPERTYPE OperType;

	//資源鎖
	//CRITICAL_SECTION IoLock;

	//數(shù)據(jù)緩沖區(qū)
	WSABUF SocketBuf;
}PER_IO_OPERATION_BASE_UDP,*PPER_IO_OPERATION_BASE_UDP;

//帶緩沖區(qū)單句柄I/O數(shù)據(jù)
typedef struct _PER_IO_OPERATION_DATA_UDP
{
	//重疊結(jié)構(gòu)
	OVERLAPPED Overlapped;

	//操作類型表示
	IOCP_OPERTYPE OperType;

	//資源鎖
	//CRITICAL_SECTION IoLock;

	//發(fā)送方地址
    SOCKADDR_IN		 addr;
    int              addrlen;

	//數(shù)據(jù)緩沖區(qū)
	WSABUF SocketBuf;
	char   *szDataBuffer;
}PER_IO_OPERATION_DATA_UDP,*PPER_IO_OPERATION_DATA_UDP;

};