libxdas_import.c

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/*----------------------------------------------------------------------------
 * Copyright (c) 2006, Novell, Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright 
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in the 
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Novell nor the names of its contributors 
 *       may be used to endorse or promote products derived from this 
 *       software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *--------------------------------------------------------------------------*/

#include <xdas.h>
#include <xdasd.h>
#include <xdas_buf.h>
#include <xdas_wire.h>
#include <xdas_util.h>

#include "libxdas_impl.h"

static char * xdas_strstr(const char * sp, const char * ep, const char * ssp)
{
   size_t ssplen = strlen(ssp);

   ep -= ssplen - 1;
   while (sp < ep)
   {
      if (*sp == *ssp  && strncmp(sp, ssp, ssplen) == 0)
         return (char *)sp;
      sp++;
   }
   return 0;
}

static int xdas_send_import_record(int * minorp, xdas_session * xs, 
      const char * recp, const char * ep)
{
   xdas_buffer req;
   size_t reclen = ep - recp;
   size_t reqsz = 5 * sizeof(uint32_t) + reclen;

   /* resize request buffer */
   if ((req = xdas_buffer_realloc(xs->req, reqsz)) == 0)
      return (*minorp = OXDAS_MS_OUT_OF_MEMORY), XDAS_S_FAILURE;
   req->curpos = req->start;
   xs->req = req;

   /* put header and data request fields */
   xdas_buffer_put_uint32(req, reqsz);
   xdas_buffer_put_uint32(req, XDASD_REQ_EVENT);
   xdas_buffer_put_uint32(req, XDASD_EVT_SRQ_SUBMIT);
   xdas_buffer_put_uint32(req, 1);  /* import */
   xdas_buffer_put_uint32(req, reclen);
   memcpy(req->curpos, recp, reclen);
   req->curpos += reclen;

   /* Send request, return status. */
   return xdas_req_rsp(minorp, xs);
}

int xdas_internal_import_event_records(int * minor, 
      xdas_session * xs, xdas_buffer_t bufp, size_t * bufposp)
{
   int rv;

   char * bp = bufp->value;
   char * ep = bp + bufp->length;
   char * cp = bp;

   while (cp < ep)
   {
      char * cep;
      char * flds[33];

      *bufposp = cp - bufp->value;

      if (strncmp(cp, "HDR:", 4) != 0
            || (cep = xdas_strstr(cp, ep, ":END")) == 0)
         return XDAS_S_RECORD_SYNTAX_ERROR;

      cep += 4;   /* skip past ":END" */
      if ((rv = xdas_send_import_record(minor, xs, cp, cep)) != 0)
         break;

      cp = cep;
   }
   return rv;
}