252 lines
8.4 KiB
C
252 lines
8.4 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 - 2005, All Rights Reserved. */
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/* */
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/* PROPRIETARY AND CONFIDENTIAL */
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/* */
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/* MODULE NAME : rq_init.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 requester portion of the initiate */
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/* operation. It decodes the initiate response (confirm) & */
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/* encodes the initiate request. */
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/* This module makes use of common functions in mmsinit.c */
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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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/* 02/28/05 EJV 04 Elim Linux warnings in if (a=b) */
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/* Fixed thisFileName for MMS-EASE */
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/* 03/11/04 GLB 03 Cleaned up "thisFileName" */
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/* 12/20/01 JRB 02 Converted to use ASN1R (re-entrant ASN1) */
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/* 09/13/99 MDE 01 Added SD_CONST modifiers */
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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 "glbsem.h"
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#include "mmsdefs.h"
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#include "mms_pcon.h"
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#ifndef MMS_LITE
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#include "mms_ms.h"
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#endif
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#include "asn1defs.h"
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/************************************************************************/
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/* For debug version, use a static pointer to avoid duplication of */
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/* __FILE__ strings. */
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#if defined(DEBUG_SISCO) && (defined(S_MT_SUPPORT) || !defined(MMS_LITE))
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SD_CONST static ST_CHAR *SD_CONST thisFileName = __FILE__;
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#endif
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/************************************************************************/
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/************************************************************************/
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/* mms_init_rsp */
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/* Function called to decode an Initiate response PDU after the PDU */
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/* type has been determined. Sets request to false, and calls the */
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/* common initiate decode function. */
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/* */
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/* NOTE : This functionality has been moved to mmsinit.c, because the */
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/* request and response are identical. The call to mms_init_rsp was */
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/* put back to better support MMSEASE-LITE. */
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/************************************************************************/
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ST_VOID mms_init_rsp (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("decode initiate response");
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_mms_init_dec (aCtx, SD_FALSE);
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}
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#ifndef MMS_LITE
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/************************************************************************/
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/************************************************************************/
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/* mp_init */
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/* create and send an initiate request. */
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/************************************************************************/
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MMSREQ_PEND *mp_init (ST_INT chan, ST_CHAR *partner, INIT_INFO *info_ptr)
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{
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ST_UCHAR *msg_ptr;
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MMSREQ_PEND *reqptr;
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LLP_ADDR_INFO add_llp_info;
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ST_INT i;
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ST_INT num_ui;
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INIT_UI *ui;
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INIT_UI *ui_ptr;
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ST_UCHAR *buf;
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ST_INT16 pend_req_save;
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ST_INT num_cs;
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ST_INT cs_count;
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CS_INIT_INFO *cs_info_ptr;
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ST_UCHAR *cs_build_bufs[MAX_INIT_CONTEXTS];
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ST_INT req_count;
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ASN1_ENC_CTXT localEncCtx; /* For readability, use "aCtx" to access this.*/
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ASN1_ENC_CTXT *aCtx = &localEncCtx;
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if (info_ptr->num_cs_init > MAX_INIT_CONTEXTS)
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{
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mms_op_err = ME_TOO_MANY_CONTEXTS;
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return ((MMSREQ_PEND *) 0);
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}
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/* Make sure this channel is IDLE */
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if (mms_chan_info[chan].ctxt.chan_state != M_IDLE)
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{
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mms_op_err = ME_CHAN_STATE;
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return ((MMSREQ_PEND *) 0);
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}
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S_LOCK_COMMON_RESOURCES ();
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/* Flush all pending requests (should be 0 already, check anyway) */
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req_count = ms_count_req_pend (chan);
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if (req_count)
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{
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MLOG_ERR2 ("%d Pending Requests on Idle Channel %d ",
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req_count,
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(ST_INT) chan);
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}
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ms_disconn_pend_req (chan);
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/* Need to save the max pending request count (could be 0) before */
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/* getting the request control pointer. */
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pend_req_save = mms_chan_info[chan].maxpend_req;
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mms_chan_info[chan].maxpend_req = 1;
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reqptr = _ms_get_req_ptr (chan,MMSOP_INITIATE,(ST_CHAR *)info_ptr);
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/* restore max pending request for initiate request */
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mms_chan_info[chan].maxpend_req = pend_req_save;
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if (reqptr)
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{
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_mms_pend_init[chan].req = reqptr; /* save INITIATE request ctrl */
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num_ui = num_cs = info_ptr->num_cs_init;
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if (info_ptr->mms_p_context_pres)
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num_ui++;
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ui = ui_ptr = (INIT_UI *) chk_calloc (num_ui, sizeof (INIT_UI));
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cs_count = 0;
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cs_info_ptr = (CS_INIT_INFO *) (info_ptr + 1);
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for (i = 0; i < num_ui; ++i, ++ui_ptr)
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{
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/* build the core initiate, if used and position reached or if no */
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/* companion standard initiates are to be sent */
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if ((info_ptr->mms_p_context_pres && i == info_ptr->core_position) ||
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!info_ptr->num_cs_init)
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{
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msg_ptr = _ms_mk_init (aCtx, m_build_buf,mms_max_msgsize,info_ptr,MMSINITREQ,SD_FALSE);
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ui_ptr->context = MMS_PCI;
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ui_ptr->ui_len = M_BUILD_BUF_END - msg_ptr;
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ui_ptr->ui_ptr = msg_ptr;
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}
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else /* build a CS Initiate PDU */
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{
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buf = cs_build_bufs[cs_count++] = (ST_UCHAR *)
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chk_calloc (1,M_INIT_BUILD_LEN);
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msg_ptr = _ms_mk_init (aCtx, buf,M_INIT_BUILD_LEN,
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(INIT_INFO *) cs_info_ptr,MMSINITREQ,SD_TRUE);
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ui_ptr->context = cs_info_ptr->p_context;
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ui_ptr->ui_len = (buf + M_INIT_BUILD_LEN) - msg_ptr;
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ui_ptr->ui_ptr = msg_ptr;
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++cs_info_ptr;
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}
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}
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add_llp_info.i.LLC.use_rem_addr = SD_FALSE;
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add_llp_info.i.LLC.req_ptr = (ST_CHAR *)reqptr;
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add_llp_info.i.LLC.send_type = INITIATE_REQ_PDU;
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/* If a request logging function is installed, call it */
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if (m_log_req_info_fun && (mms_debug_sel & MMS_LOG_REQ))
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(*m_log_req_info_fun) (reqptr, info_ptr);
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if ((mms_op_err = _mllp_init_req (chan, partner, reqptr->context,
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num_ui, ui,&add_llp_info)) != 0)
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{
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_ms_deact_pend_req (reqptr);
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chk_free (ui);
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S_UNLOCK_COMMON_RESOURCES ();
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return ((MMSREQ_PEND *) 0);
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}
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chk_free (ui);
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for (i = 0; i < num_cs; ++i) /* free CS build buffers */
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chk_free (cs_build_bufs[i]);
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}
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S_UNLOCK_COMMON_RESOURCES ();
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return (reqptr); /* return request control ptr */
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}
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#else
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/************************************************************************/
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/************************************************************************/
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/* mpl_init */
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/* create a core initiate request. */
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/************************************************************************/
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ST_RET mpl_init (INIT_INFO *info_ptr)
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{
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ST_RET ret;
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ASN1_ENC_CTXT localEncCtx; /* For readability, use "aCtx" to access this.*/
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ASN1_ENC_CTXT *aCtx = &localEncCtx;
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S_LOCK_COMMON_RESOURCES ();
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mmsl_msg_start = _ms_mk_init (aCtx, mmsl_enc_buf, mmsl_enc_buf_size,
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info_ptr,MMSINITREQ,SD_FALSE);
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mmsl_msg_len = (mmsl_enc_buf + mmsl_enc_buf_size) - mmsl_msg_start;
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if (!aCtx->asn1r_encode_overrun) /* Check for encode overrun */
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ret = SD_SUCCESS;
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else
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ret = ME_ASN1_ENCODE_OVERRUN;
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S_UNLOCK_COMMON_RESOURCES ();
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return (ret);
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}
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#ifdef CS_SUPPORT
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/************************************************************************/
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/************************************************************************/
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/* mpl_cs_init */
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/* create a companion standard initiate request. */
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/************************************************************************/
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ST_INT16 mpl_cs_init (CS_INIT_INFO *info_ptr)
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{
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ASN1_ENC_CTXT localEncCtx; /* For readability, use "aCtx" to access this.*/
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ASN1_ENC_CTXT *aCtx = &localEncCtx;
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mmsl_msg_start = _ms_mk_init (aCtx, mmsl_enc_buf, mmsl_enc_buf_size,
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(INIT_INFO *) info_ptr,MMSINITREQ,SD_TRUE);
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mmsl_msg_len = (mmsl_enc_buf + mmsl_enc_buf_size) - mmsl_msg_start;
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if (aCtx->asn1r_encode_overrun) /* Check for encode overrun */
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return (ME_ASN1_ENCODE_OVERRUN);
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return (SD_SUCCESS);
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}
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#endif
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#endif
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/************************************************************************/
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/* mk_initiate */
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/* Note that there is only one mk_initiate function, and it is listed */
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/* in the mmsinit.c module. */
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/************************************************************************/
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