motcp.h

MONA是为数不多的C++语言编写的一个很小的操作系统

/*!
    \file  MoTcp.h
    \brief TCP僾儘僩僐儖幚憰僋儔僗 僿僢僟

    Copyright (c) 2004 Yamami
    All rights reserved.
    License=MIT/X Licnese

    \author  Yamami 
    \version $Revision: 1.1 $
    \date   create:2004/10/11 update:$Date: 2004/10/31 14:29:43 $
*/
#ifndef _MONA_MOTCP_
#define _MONA_MOTCP_

#include <sys/types.h>
#include <sys/HashMap.h>
#include <monapi.h>

#include "MoPacUtl.h"
#include "MonesDefine.h"
#include "AbstractMonic.h"



/* TCP憌 */
#define tcphdr_src_port     0           /* 2 */
#define tcphdr_dest_port    (tcphdr_src_port+2) /* 2 */
#define tcphdr_seq      (tcphdr_dest_port+2)    /* 4 */
#define tcphdr_ack      (tcphdr_seq+4)      /* 4 */
#define tcphdr_len      (tcphdr_ack+4)      /* 1 */
#define tcphdr_flag     (tcphdr_len+1)      /* 1 */
#define tcphdr_win      (tcphdr_flag+1)     /* 2 */
#define tcphdr_chksum       (tcphdr_win+2)      /* 2 */
#define tcphdr_urg      (tcphdr_chksum+2)   /* 2 */
#define tcphdr_opt_mss      (tcphdr_urg+2)      /* 4 */
#define SIZEOF_TCPHDR       (tcphdr_opt_mss+4)



/*! 
 *  \struct T_TSOCK
 *  \brief 僜働僢僩峔憿懱
 */
typedef struct t_socket {
    unsigned char   status;
    unsigned long       ip;
    unsigned int    myport;
    unsigned int    youport;
    unsigned long   seq;    /* 帺暘偐傜偺僔乕働儞僗斣崋 */
    unsigned long   ack;    /* 憡庤偐傜偺僔乕働儞僗斣崋 */
} T_TSOCK;

/* TCP 忬懺慗堏 */
#define     CLOSED      0
#define     LISTEN      0
#define     SYN_RCVD    1
#define     SYN_SENT    1
#define     ESTABLISHED 2
#define     FIN_WAIT_1  4
#define     CLOSE_WAIT  4
#define     LAST_ACK    4
#define     FIN_WAIT_2  5
//#define       TIME_WAIT       6

/* TCP header flag bit */
#define TCP_FLAG_FIN 0x01
#define TCP_FLAG_SYN 0x02
#define TCP_FLAG_RST 0x04
#define TCP_FLAG_PSH 0x08
#define TCP_FLAG_ACK 0x10
#define TCP_FLAG_URG 0x20


//Yamami????
/*! 
 *  \struct Packet
 *  \brief Packet峔憿懱
 */
struct Packet {
    char buffer[1518];
    unsigned int size;
    char *ptr;
    char flag;
};

/* flag bit for Packet.flag */
#define PKT_ARP_WAIT 0x01
#define PKT_IP_REQUEST 0x02
#define PKT_SYN_WAIT 0x10


/*!
    MoTcp class
*/
class MoTcp
{
    
  public:
    
    //僐儞僗僩儔僋僞
    MoTcp();
    ~MoTcp();
    void initTcp(AbstractMonic*);

    void send_tcp(T_TSOCK *sock, char flags, struct Packet *packet, char *data, dword size);

  private:

    //NIC僪儔僀僶
    AbstractMonic* insAbstractNic;

};

#endif