356 lines
10 KiB
C
356 lines
10 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#define ZAREQUEST_SENT 16
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#define LREQUEST_SENT 8
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#define REQUEST_PENDING 4
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#define REMOTE_ZALLOCATES 2
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#define REMOTE_LOCKS 1
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#define REMOTE_CLR_MASK (ZAREQUEST_SENT + LREQUEST_SENT + REMOTE_ZALLOCATES + REMOTE_LOCKS)
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#define CM_BUFFER_OVERHEAD 20
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#define CM_BLKPASS 40
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#define CMM_PROTOCOL_TYPE "GCM"
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#define S_PROTOCOL "VAXVMSGTM023GCM010 "
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#define S_HDRSIZE 1
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#define S_PROTSIZE 33
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#define S_REGINSIZE 6
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#define S_LAFLAGSIZE 1
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#define S_SUBLISTSIZE 1
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#define CM_MINBUFSIZE 512 + CM_BUFFER_OVERHEAD
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#define CMLCK_REQUEUE 0
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#define CM_LOCKS 0
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#define CM_ZALLOCATES 0x80
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#define CM_NOLKCANCEL 256
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#define CM_WRITE 1
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#define CM_READ 0
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#define CM_NOOP 2
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#define CMMS_E_ERROR 1 /* [0x01] */
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#define CMMS_L_LKCANALL 2 /* [0x02] */
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#define CMMS_L_LKCANCEL 3 /* [0x03] */
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#define CMMS_L_LKDELETE 4 /* [0x04] */
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#define CMMS_L_LKREQIMMED 5 /* [0x05] */
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#define CMMS_L_LKREQNODE 6 /* [0x06] */
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#define CMMS_L_LKREQUEST 7 /* [0x07] */
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#define CMMS_L_LKRESUME 8 /* [0x08] */
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#define CMMS_L_LKACQUIRE 9 /* [0x09] */
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#define CMMS_L_LKSUSPEND 10 /* [0x0A] */
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#define CMMS_M_LKABORT 11 /* [0x0B] */
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#define CMMS_M_LKBLOCKED 12 /* [0x0C] */
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#define CMMS_M_LKGRANTED 13 /* [0x0D] */
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#define CMMS_M_LKDELETED 14 /* [0x0E] */
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#define CMMS_M_LKSUSPENDED 15 /* [0x0F] */
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#define CMMS_Q_DATA 16 /* [0x10] */
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#define CMMS_Q_GET 17 /* [0x11] */
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#define CMMS_Q_KILL 18 /* [0x12] */
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#define CMMS_Q_ORDER 19 /* [0x13] */
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#define CMMS_Q_PREV 20 /* [0x14] */
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#define CMMS_Q_PUT 21 /* [0x15] */
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#define CMMS_Q_QUERY 22 /* [0x16] */
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#define CMMS_Q_ZWITHDRAW 23 /* [0x17] */
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#define CMMS_R_DATA 24 /* [0x18] */
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#define CMMS_R_GET 25 /* [0x19] */
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#define CMMS_R_KILL 26 /* [0x1A] */
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#define CMMS_R_ORDER 27 /* [0x1B] */
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#define CMMS_R_PREV 28 /* [0x1C] */
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#define CMMS_R_PUT 29 /* [0x1D] */
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#define CMMS_R_QUERY 30 /* [0x1E] */
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#define CMMS_R_ZWITHDRAW 31 /* [0x1F] */
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#define CMMS_R_UNDEF 32 /* [0x20] */
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#define CMMS_S_INITPROC 33 /* [0x21] */
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#define CMMS_S_INITREG 34 /* [0x22] */
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#define CMMS_S_TERMINATE 35 /* [0x23] */
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#define CMMS_S_INTERRUPT 36 /* [0x24] */
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#define CMMS_T_INITPROC 37 /* [0x25] */
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#define CMMS_T_REGNUM 38 /* [0x26] */
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#define CMMS_X_INQPROC 39 /* [0x27] */
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#define CMMS_X_INQPRRG 40 /* [0x28] */
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#define CMMS_X_INQREG 41 /* [0x29] */
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#define CMMS_Y_STATPROCREC 42 /* [0x2A] */
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#define CMMS_Y_STATPRRGREC 43 /* [0x2B] */
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#define CMMS_Y_STATREGREC 44 /* [0x2C] */
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#define CMMS_U_LKEDELETE 45 /* [0x2D] */
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#define CMMS_U_LKESHOW 46 /* [0x2E] */
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#define CMMS_V_LKESHOW 47 /* [0x2F] */
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#define CMMS_E_TERMINATE 48 /* [0x30] */
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#define CMMS_B_BUFRESIZE 49 /* [0x31] */
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#define CMMS_B_BUFFLUSH 50 /* [0x32] */
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#define CMMS_C_BUFRESIZE 51 /* [0x33] */
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#define CMMS_C_BUFFLUSH 52 /* [0x34] */
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#define CMMS_Q_INCREMENT 53 /* [0x35] */ /* Opcode for message type sent from client (to server) */
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#define CMMS_R_INCREMENT 54 /* [0x36] */ /* Opcode for message type received by client (from server) */
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#define CMM_QUERYGET_MIN_LEVEL "200" /* $query works as queryget only from version "V200" onwards */
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#define CMM_INCREMENT_MIN_LEVEL "210" /* $INCREMENT works only from version "V210" onwards */
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#define CMM_STDNULLCOLL_MIN_LEVEL "210" /* Standard null collation works only from version "V210" onwards */
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#define CMM_LONGNAMES_MIN_LEVEL "210" /* long name works only from protocol "V210" onwards */
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typedef struct cm_region_list_struct
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{
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que_ent regque;
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struct cm_region_list_struct *next;
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unsigned char regnum;
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unsigned char oper;
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unsigned short lks_this_cmd;
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bool reqnode;
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char filler[3];
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struct cm_region_head_struct *reghead;
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struct cs_struct *cs;
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struct mlk_pvtblk_struct *blkd;
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struct mlk_pvtblk_struct *lockdata;
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uint4 pini_addr;
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} cm_region_list;
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typedef struct cs_struct
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{
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que_ent qent;
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cm_region_list *region_root;
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cm_region_list *current_region;
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struct CLB *clb_ptr;
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unsigned char state;
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unsigned char new_msg;
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unsigned char maxregnum;
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bool waiting_in_queue;
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#ifdef UNIX
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struct timeval connect; /* Debugging tool -- time connection was established */
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time_t lastact; /* Debugging tool -- time of last server action */
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#else
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uint4 connect[2]; /* Debugging tool -- time connection was established */
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uint4 lastact[2]; /* Debugging tool -- time of last server action */
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#endif
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uint4 stats;
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unsigned short procnum;
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unsigned short transnum;
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unsigned short lk_cancel;
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unsigned short last_cancelled; /* hold transnum of last cancelled lock request */
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struct /* hold info from interrupt cancel msg */
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{ /* laflag can be 0, x40, x80 */
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unsigned char laflag; /* + 1 if valid */
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unsigned char transnum; /* for lk_cancel */
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} int_cancel;
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struct jnl_process_vector_struct *pvec;
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boolean_t query_is_queryget; /* based on client/server protocol levels, query == queryget */
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boolean_t err_compat; /* based on client/server protocol levels (and platform type),
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* rts_error mechanism b/n client and server might be different */
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boolean_t cli_supp_allowexisting_stdnullcoll;/* decided based on client's protocol levels */
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boolean_t client_supports_long_names; /* based on client's levels */
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cm_region_list *region_array[256]; /* [UCHAR_MAX + 1] speed up gtcm_find_region */
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} connection_struct;
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typedef struct cm_region_head_struct
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{
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relque head;
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struct cm_region_head_struct *next;
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struct cm_region_head_struct *last;
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connection_struct *connect_ptr;
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struct gd_region_struct *reg;
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uint4 refcnt;
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uint4 wakeup;
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hash_table_mname *reg_hash;
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} cm_region_head;
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typedef struct cm_lk_response_struct
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{
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struct cm_lk_response_struct *next;
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struct CLB *response;
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} cm_lk_response;
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typedef struct link_info_struct
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{
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unsigned char neterr;
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unsigned char lck_info;
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unsigned char lnk_active;
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char filler;
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struct mlk_pvtblk_struct *netlocks;
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unsigned short procnum;
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unsigned short buffered_count;
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unsigned short buffer_size;
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unsigned short buffer_used;
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unsigned char *buffer;
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boolean_t convert_byteorder;
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boolean_t query_is_queryget; /* based on client/server protocol levels, query == queryget */
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boolean_t err_compat; /* based on client/server protocol levels (and platform type),
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* rts_error mechanism b/n client and server might be different */
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cm_lk_response lk_response;
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boolean_t server_supports_dollar_incr; /* decided based on server protocol levels */
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boolean_t server_supports_std_null_coll; /* decided based on server protocol levels */
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boolean_t server_supports_long_names; /* decided based on server protocol levels */
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} link_info;
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typedef struct
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{
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char code;
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char rnum;
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bool all;
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bool interactive;
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int4 pid;
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char nodelength;
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char node[32];
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} clear_request;
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typedef struct
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{
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char code;
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char filler[3];
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int4 status;
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int4 locknamelength;
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char lockname[256];
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} clear_reply;
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typedef struct
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{
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char code;
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bool clear;
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} clear_confirm;
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typedef struct
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{
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char code;
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char rnum;
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bool all;
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bool wait;
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int4 pid;
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char nodelength;
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char node[32];
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} show_request;
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typedef struct
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{
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char code;
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char line[256];
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} show_reply;
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#define CM_CPU_OFFSET 0
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#define CM_OS_OFFSET 3
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#define CM_IMPLEMENTATION_OFFSET 6
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#define CM_VERSION_OFFSET 9
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#define CM_TYPE_OFFSET 12
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#define CM_LEVEL_OFFSET 15
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#define CM_ENDIAN_OFFSET 18
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#define CM_FILLER_SIZE 14
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typedef struct
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{
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char msg[S_PROTSIZE];
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} protocol_msg;
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#define CM_PUT_USHORT(PTR, USVAL, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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unsigned short val = GTM_BYTESWAP_16(USVAL); \
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PUT_USHORT(PTR, val); \
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} \
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else \
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PUT_USHORT(PTR, USVAL); \
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}
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#define CM_PUT_SHORT(PTR, SVAL, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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short val = GTM_BYTESWAP_16(SVAL); \
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PUT_SHORT(PTR, val); \
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} \
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else \
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PUT_SHORT(PTR, SVAL); \
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}
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#define CM_PUT_ULONG(PTR, ULVAL, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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uint4 val = GTM_BYTESWAP_32(ULVAL); \
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PUT_ULONG(PTR, val); \
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} \
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else \
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PUT_ULONG(PTR, ULVAL); \
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}
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#define CM_PUT_LONG(PTR, LVAL, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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int4 val = GTM_BYTESWAP_32(LVAL); \
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PUT_LONG(PTR, val); \
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} \
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else \
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PUT_LONG(PTR, LVAL); \
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}
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#define CM_GET_USHORT(USVAR, PTR, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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unsigned short val; \
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GET_USHORT(val, (PTR)); \
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USVAR = GTM_BYTESWAP_16(val); \
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} \
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else \
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GET_USHORT((USVAR), (PTR)); \
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}
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#define CM_GET_SHORT(SVAR, PTR, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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short val; \
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GET_SHORT(val, (PTR)); \
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SVAR = GTM_BYTESWAP_16(val); \
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} \
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else \
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GET_SHORT((SVAR), (PTR)); \
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}
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#define CM_GET_ULONG(ULVAR, PTR, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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uint4 val; \
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GET_ULONG(val, (PTR)); \
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ULVAR = GTM_BYTESWAP_32(val); \
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} \
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else \
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GET_ULONG((ULVAR), (PTR)); \
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}
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#define CM_GET_LONG(LVAR, PTR, CONVFLAG) \
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{ \
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if (CONVFLAG) \
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{ \
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int4 val; \
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GET_LONG(val, (PTR)); \
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LVAR = GTM_BYTESWAP_32(val); \
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} \
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else \
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GET_LONG((LVAR), (PTR)); \
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}
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#define CM_GET_GVCURRKEY(PTR, LEN) \
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/* fetch gvcurrkey fields from message buffer; side effect : PTR is modified \
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* to point to the byte after gv_currkey */ \
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/* if we want to keep gv_currkey->top, why bother changing it; vinu Jul 17, 2000 */ \
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/* top = gv_currkey->top; */ \
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/* GET_USHORT(gv_currkey->top, ptr); */ \
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(PTR) += SIZEOF(unsigned short); \
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GET_USHORT(gv_currkey->end, (PTR)); \
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(PTR) += SIZEOF(unsigned short); \
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GET_USHORT(gv_currkey->prev, (PTR)); \
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(PTR) += SIZEOF(unsigned short); \
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memcpy(gv_currkey->base, (PTR), (LEN) - 6); \
|
||
|
|
(PTR) += ((LEN) - 6); \
|
||
|
|
/* gv_currkey->top = top; */
|