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Annotation of embedaddon/mpd/src/ccp.h, revision 1.1

1.1     ! misho       1: 
        !             2: /*
        !             3:  * ccp.h
        !             4:  *
        !             5:  * Written by Archie Cobbs <archie@freebsd.org>
        !             6:  * Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
        !             7:  * See ``COPYRIGHT.whistle''
        !             8:  */
        !             9: 
        !            10: #ifndef _CCP_H_
        !            11: #define        _CCP_H_
        !            12: 
        !            13: #include "defs.h"
        !            14: #include "fsm.h"
        !            15: #include "mbuf.h"
        !            16: #include "comp.h"
        !            17: #include "console.h"
        !            18: #include "command.h"
        !            19: #include "log.h"
        !            20: 
        !            21: #ifdef CCP_PRED1
        !            22: #include "ccp_pred1.h"
        !            23: #endif
        !            24: #ifdef CCP_DEFLATE
        !            25: #include "ccp_deflate.h"
        !            26: #endif
        !            27: #ifdef CCP_MPPC
        !            28: #include "ccp_mppc.h"
        !            29: #endif
        !            30: 
        !            31: #include <netgraph/ng_message.h>
        !            32: 
        !            33: /*
        !            34:  * DEFINITIONS
        !            35:  */
        !            36: 
        !            37:   /* Compression types */
        !            38:   #define CCP_TY_OUI           0       /* OUI */
        !            39:   #define CCP_TY_PRED1         1       /* Predictor type 1 */
        !            40:   #define CCP_TY_PRED2         2       /* Predictor type 2 */
        !            41:   #define CCP_TY_PUDDLE                3       /* Puddle Jumper */
        !            42:   #define CCP_TY_HWPPC         16      /* Hewlett-Packard PPC */
        !            43:   #define CCP_TY_STAC          17      /* Stac Electronics LZS */
        !            44:   #define CCP_TY_MPPC          18      /* Microsoft PPC */
        !            45:   #define CCP_TY_GAND          19      /* Gandalf FZA */
        !            46:   #define CCP_TY_V42BIS                20      /* V.42bis compression */
        !            47:   #define CCP_TY_BSD           21      /* BSD LZW Compress */
        !            48:   #define CCP_TY_LZS_DCP       23      /* LZS-DCP Compression Protocol */
        !            49:   #define CCP_TY_DEFLATE24     24      /* Gzip "deflate" compression WRONG! */
        !            50:   #define CCP_TY_DCE           25      /* Data Compression in Data Circuit-Terminating Equipment */
        !            51:   #define CCP_TY_DEFLATE       26      /* Gzip "deflate" compression */
        !            52:   #define CCP_TY_V44           27      /* V.44/LZJH Compression Protocol */
        !            53: 
        !            54:   #define CCP_OVERHEAD         2
        !            55: 
        !            56:   /* CCP state */
        !            57:   struct ccpstate {
        !            58:     struct fsm         fsm;            /* CCP FSM */
        !            59:     struct optinfo     options;        /* configured protocols */
        !            60:     CompType           xmit;           /* xmit protocol */
        !            61:     CompType           recv;           /* recv protocol */
        !            62:     uint32_t           self_reject;    /* types rejected by me */
        !            63:     uint32_t           peer_reject;    /* types rejected by peer */
        !            64: #ifdef CCP_PRED1
        !            65:     struct pred1info   pred1;          /* Predictor-1 state */
        !            66: #endif
        !            67: #ifdef CCP_DEFLATE
        !            68:     struct deflateinfo deflate;        /* Deflate state */
        !            69: #endif
        !            70: #ifdef CCP_MPPC
        !            71:     struct mppcinfo    mppc;           /* MPPC/MPPE state */
        !            72: #endif
        !            73:     ng_ID_t            comp_node_id;   /* compressor node id */
        !            74:     ng_ID_t            decomp_node_id; /* decompressor node id */
        !            75:     uint32_t           recv_resets;    /* Number of ResetReq we have got from other side */
        !            76:     uint32_t           xmit_resets;    /* Number of ResetReq we have sent to other side */
        !            77:     u_char             crypt_check;    /* We checked for required encryption */
        !            78:   };
        !            79:   typedef struct ccpstate      *CcpState;
        !            80: 
        !            81:   #define CCP_PEER_REJECTED(p,x)       ((p)->peer_reject & (1<<(x)))
        !            82:   #define CCP_SELF_REJECTED(p,x)       ((p)->self_reject & (1<<(x)))
        !            83: 
        !            84:   #define CCP_PEER_REJ(p,x)    do{(p)->peer_reject |= (1<<(x));}while(0)
        !            85:   #define CCP_SELF_REJ(p,x)    do{(p)->self_reject |= (1<<(x));}while(0)
        !            86: 
        !            87: /*
        !            88:  * VARIABLES
        !            89:  */
        !            90: 
        !            91:   extern const struct cmdtab   CcpSetCmds[];
        !            92: 
        !            93:   extern int           gCcpCsock;              /* Socket node control socket */
        !            94:   extern int           gCcpDsock;              /* Socket node data socket */
        !            95: 
        !            96: /*
        !            97:  * FUNCTIONS
        !            98:  */
        !            99: 
        !           100:   extern int   CcpsInit(void);
        !           101:   extern void  CcpsShutdown(void);
        !           102: 
        !           103:   extern void  CcpInit(Bund b);
        !           104:   extern void  CcpInst(Bund b, Bund bt);
        !           105:   extern void  CcpUp(Bund b);
        !           106:   extern void  CcpDown(Bund b);
        !           107:   extern void  CcpOpen(Bund b);
        !           108:   extern void  CcpClose(Bund b);
        !           109:   extern int   CcpOpenCmd(Context ctx);
        !           110:   extern int   CcpCloseCmd(Context ctx);
        !           111:   extern void  CcpInput(Bund b, Mbuf bp);
        !           112:   extern Mbuf  CcpDataInput(Bund b, Mbuf bp);
        !           113:   extern Mbuf  CcpDataOutput(Bund b, Mbuf bp);
        !           114:   extern int   CcpSubtractBloat(Bund b, int size);
        !           115:   extern void  CcpSendResetReq(Bund b);
        !           116:   extern void  CcpRecvMsg(Bund b, struct ng_mesg *msg, int len);
        !           117:   extern int   CcpStat(Context ctx, int ac, char *av[], void *arg);
        !           118: 
        !           119: #endif
        !           120: