343 lines
14 KiB
C
343 lines
14 KiB
C
/************************************************************************/
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/* SISCO SOFTWARE MODULE HEADER *****************************************/
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/************************************************************************/
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/* (c) Copyright Systems Integration Specialists Company, Inc., */
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/* 1986 - 2001, All Rights Reserved. */
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/* */
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/* PROPRIETARY AND CONFIDENTIAL */
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/* */
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/* MODULE NAME : rs_takectrl.c */
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/* PRODUCT(S) : MMSEASE, MMSEASE-LITE */
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/* */
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/* MODULE DESCRIPTION : */
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/* This module contains the responder portion of take semaphore */
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/* control. It decodes the take control request (indication) and */
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/* encodes the take control response. */
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/* */
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/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
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/* */
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/* MODIFICATION LOG : */
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/* Date Who Rev Comments */
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/* -------- --- ------ ------------------------------------------- */
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/* 03/11/04 GLB 08 Remove "thisFileName" */
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/* 08/28/03 EJV 07 Corr spelling for 'receive'. */
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/* 12/20/01 JRB 06 Converted to use ASN1R (re-entrant ASN1) */
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/* 09/13/99 MDE 05 Added SD_CONST modifiers */
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/* 03/23/99 MDE 04 Changes to decode buffer allocation scheme */
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/* 06/15/98 MDE 03 Changes to allow compile under C++ */
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/* 07/03/97 MDE 02 Op-specific info buffer handling changes */
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/* 06/09/97 MDE 01 Changed op specific buffer allocation */
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/* 04/02/97 DTL 7.00 MMSEASE 7.0 release. See MODL70.DOC for */
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/* history. */
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/************************************************************************/
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#include "glbtypes.h"
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#include "sysincs.h"
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#include "mmsdefs.h"
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#include "mms_psem.h"
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#include "asn1defs.h"
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/************************************************************************/
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/* variables global to the DECODE portion : */
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static TAKECTRL_REQ_INFO *req_info;
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/************************************************************************/
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/* variables global to the ENCODE portion : NONE */
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static ST_VOID takectrl_get_priority (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_get_acc_delay (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_get_ctrl_timeout (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_get_abrt_timeout (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_get_rel_conn_lost (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_app_preempt_cstr (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_get_named_token (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_sem_name_cstr_done (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_objname_done (ASN1_DEC_CTXT *aCtx);
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static ST_VOID takectrl_sem_name_cstr (ASN1_DEC_CTXT *aCtx);
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static ST_VOID app_preempt_cstr_done (ASN1_DEC_CTXT *aCtx);
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static ST_UCHAR *ar_start;
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/************************************************************************/
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/************************************************************************/
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/* mms_takectrl_req */
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/* This function is called from mmsdec when the opcode for this */
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/* operation is decoded. Setup state machine function pointers, etc. */
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/************************************************************************/
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ST_VOID mms_takectrl_req (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("Take Control Request");
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req_info = (TAKECTRL_REQ_INFO *) _m_get_dec_buf (aCtx, sizeof (TAKECTRL_REQ_INFO));
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ASN1R_TAG_ADD (aCtx, CTX |CONSTR, 0, takectrl_sem_name_cstr);
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}
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/************************************************************************/
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/* takectrl_sem_name_cstr */
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/* Decoding take control request: semaphore name constructor was */
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/* encountered. */
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/************************************************************************/
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static ST_VOID takectrl_sem_name_cstr (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_sem_name_cstr");
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/* get storage for request information */
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req_info->priority = MMS_NORM_PRIORITY;
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req_info->rel_conn_lost = SD_TRUE;
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_ms_get_mms_objname (aCtx, &req_info->sem_name, takectrl_objname_done);
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}
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/************************************************************************/
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/* takectrl_objname_done */
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/* Decoding take control request: Semaphore name has been obtained */
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/************************************************************************/
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static ST_VOID takectrl_objname_done (ASN1_DEC_CTXT *aCtx)
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{
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aCtx->asn1r_c_done_fun [aCtx->asn1r_msg_level] = takectrl_sem_name_cstr_done;
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}
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/************************************************************************/
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/* takectrl_sem_name_cstr_done */
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/* Decoding take control request: semaphore name contructor done was */
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/* encountered. */
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/************************************************************************/
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static ST_VOID takectrl_sem_name_cstr_done (ASN1_DEC_CTXT *aCtx)
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{
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ASN1R_TAG_ADD (aCtx, CTX, 1, takectrl_get_named_token );
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ASN1R_TAG_ADD (aCtx, CTX, 2, takectrl_get_priority );
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ASN1R_TAG_ADD (aCtx, CTX, 3, takectrl_get_acc_delay );
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ASN1R_TAG_ADD (aCtx, CTX, 4, takectrl_get_ctrl_timeout );
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ASN1R_TAG_ADD (aCtx, CTX, 5, takectrl_get_abrt_timeout);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_named_token */
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/* Decoding take control request: named token name was encountered. */
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/************************************************************************/
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static ST_VOID takectrl_get_named_token (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_named_token");
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req_info->named_token_pres = SD_TRUE; /* set named token present */
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/* read named token from received message */
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if (asn1r_get_identifier (aCtx, req_info->named_token))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX, 2, takectrl_get_priority );
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ASN1R_TAG_ADD (aCtx, CTX, 3, takectrl_get_acc_delay );
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ASN1R_TAG_ADD (aCtx, CTX, 4, takectrl_get_ctrl_timeout );
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ASN1R_TAG_ADD (aCtx, CTX, 5, takectrl_get_abrt_timeout);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_priority */
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/* Take control request: decode the priority */
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/************************************************************************/
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static ST_VOID takectrl_get_priority (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_priorit");
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/* read the priority from the received message */
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if (asn1r_get_u8 (aCtx, &(req_info->priority)))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX, 3, takectrl_get_acc_delay );
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ASN1R_TAG_ADD (aCtx, CTX, 4, takectrl_get_ctrl_timeout );
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ASN1R_TAG_ADD (aCtx, CTX, 5, takectrl_get_abrt_timeout);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_acc_delay */
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/* Take control request: decode acceptable delay */
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/************************************************************************/
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static ST_VOID takectrl_get_acc_delay (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_acc_dela");
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req_info->acc_delay_pres = SD_TRUE; /* set acceptable delay present */
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/* read acceptable delay from message */
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if (asn1r_get_u32 (aCtx, &(req_info->acc_delay)))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX, 4, takectrl_get_ctrl_timeout );
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ASN1R_TAG_ADD (aCtx, CTX, 5, takectrl_get_abrt_timeout);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_ctrl_timeout */
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/* Take control request: decode the relinquish timeout */
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/************************************************************************/
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static ST_VOID takectrl_get_ctrl_timeout (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_ctrl_timeou");
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req_info->ctrl_timeout_pres = SD_TRUE; /* set relinquish timeout pres */
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/* read relinquish timeout from message */
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if (asn1r_get_u32 (aCtx, &(req_info->ctrl_timeout)))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX, 5, takectrl_get_abrt_timeout);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_abrt_timeout */
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/* Take control request: decode the relinquish if connection lost */
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/************************************************************************/
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static ST_VOID takectrl_get_abrt_timeout (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_abrt_timeout");
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/* read access key from message */
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req_info->abrt_on_timeout_pres = SD_TRUE;
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if (asn1r_get_bool (aCtx, &(req_info->abrt_on_timeout)))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX, 6, takectrl_get_rel_conn_lost);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_get_rel_conn_lost */
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/* Take control request: decode the relinquish if connection lost */
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/************************************************************************/
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static ST_VOID takectrl_get_rel_conn_lost (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_get_rel_conn_lost");
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/* read access key from message */
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if (asn1r_get_bool (aCtx, &(req_info->rel_conn_lost)))
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asn1r_set_dec_err (aCtx, REQ_BAD_VALUE);
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 7, takectrl_app_preempt_cstr );
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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ar_start = aCtx->asn1r_field_ptr;
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}
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/************************************************************************/
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/* takectrl_app_preempt_cstr */
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/* Decoding take control request: application to preempt constr was */
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/* encountered. */
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/************************************************************************/
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static ST_VOID takectrl_app_preempt_cstr (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("takectrl_app_preempt_cstr");
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req_info->app_preempt_pres = SD_TRUE; /* set app preempt present */
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req_info->app_preempt = ar_start; /* save_start */
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*ar_start = '\x30'; /* change tag */
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if (aCtx->asn1r_elmnt_len)
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asn1r_parse_cstr_contents (aCtx, app_preempt_cstr_done);
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else
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aCtx->asn1r_c_done_fun[ aCtx->asn1r_msg_level ] = app_preempt_cstr_done;
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}
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/************************************************************************/
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/* app_preempt_cstr_done */
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/* Decoding take control request: application preempt was encountered. */
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/************************************************************************/
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static ST_VOID app_preempt_cstr_done (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("app_preempt_cstr_done");
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req_info->app_len = aCtx->asn1r_field_ptr - ar_start;
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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}
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#ifndef MMS_LITE
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/************************************************************************/
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/************************************************************************/
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/* mp_takectrl_resp */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE and send the take control response. */
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/************************************************************************/
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ST_RET mp_takectrl_resp (MMSREQ_IND *indptr, TAKECTRL_RESP_INFO *info_ptr)
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{
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return (_mms_resp_send (MMSOP_TAKE_CONTROL,indptr,
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M_CAST_MK_FUN (_ms_mk_takectrl_resp),
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(ST_CHAR *)info_ptr));
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}
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#else
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/************************************************************************/
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/************************************************************************/
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/* mpl_takectrl_resp */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE the take control response. */
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/************************************************************************/
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ST_RET mpl_takectrl_resp (ST_UINT32 invoke_id,
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TAKECTRL_RESP_INFO *info_ptr)
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{
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return (_mms_resp_fin (MMSOP_TAKE_CONTROL,invoke_id,
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M_CAST_MK_FUN (_ms_mk_takectrl_resp),
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(ST_CHAR *)info_ptr));
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}
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#endif
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/************************************************************************/
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/************************************************************************/
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/* _ms_mk_takectrl_resp */
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/* Construct a take control response. */
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/************************************************************************/
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ST_VOID _ms_mk_takectrl_resp (ASN1_ENC_CTXT *aCtx, TAKECTRL_RESP_INFO *info)
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{
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if (info->resp_tag == SD_FALSE)
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{ /* response is NULL */
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asn1r_fin_prim (aCtx, 0,CTX);
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}
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else if (info->resp_tag == SD_TRUE)
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{ /* response is a named token */
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asn1r_wr_vstr (aCtx, info->named_token); /* write the named token */
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asn1r_fin_prim (aCtx, 1,CTX);
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}
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/* write the context specific explicit tag for this opcode. */
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asn1r_fin_constr (aCtx, MMSOP_TAKE_CONTROL,CTX,DEF); /* tag = opcode, ctx constr */
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}
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