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timeinfo.c

/*
    timeinfo.c - NWTime* funcs demo
    Copyright (C) 2000  Petr Vandrovec

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


    Revision history:

      1.00  2000, May 11            Petr Vandrovec <vandrove@vc.cvut.cz>
            Initial revision.

 */

#ifndef N_PLAT_LINUX
#include <windows.h>    /* for Sleep() */

#include <nwcalls.h>
#include <nwnet.h>
#include <nwclxcon.h>

#include <stdlib.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>

#include "getopt.h"

#define _(X) X

typedef unsigned int u_int32_t;
typedef unsigned long NWObjectID;
typedef u_int32_t Time_T;
#else
#include <ncp/nwcalls.h>
#include <ncp/nwnet.h>

#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <wchar.h>
#include <string.h>

#include "private/libintl.h"
#define _(X) gettext(X)
#endif

static char *progname;

static void
usage(void)
{
      fprintf(stderr, _("usage: %s [options]\n"), progname);
}

static void
help(void)
{
      printf(_("\n"
               "usage: %s [options]\n"), progname);
      printf(_("\n"
             "-h              Print this help text\n"
             "-v value        Context DCK_FLAGS value (default 0)\n"
             "-c context_name Name of current context (default [Root])\n"
             "-C confidence   DCK_CONFIDENCE value (default 0)\n"
             "-S server       NDS Server name (default CDROM.VC.CVUT.CZ)\n"
             "\n"));
}

nuint8 rpbuff[1024];
NW_FRAGMENT rp[1];
nuint8 rqbuff[100000];
NW_FRAGMENT rq[1];

static void InitBuff(void) {
      memset(rpbuff, 0xDB, sizeof(rpbuff));
      rp[0].fragAddress = rpbuff;
      rp[0].fragSize = sizeof(rpbuff);
      rq[0].fragAddress = rqbuff;
      rq[0].fragSize = 3;
      /* buffer length */
      rqbuff[0] = 0;
      rqbuff[1] = 1;
      /* subfunction... caller will fill it */
      rqbuff[2] = 0;
}

#ifdef N_PLAT_LINUX
#define MyNWRequest NWRequest
#else
NWCCODE MyNWRequest(NWCONN_HANDLE conn, int fn, size_t rqfrags, NW_FRAGMENT *rq, size_t rpfrags, NW_FRAGMENT *rp) {
      NWCCODE err;
      
      err = NWRequest(conn, fn, rqfrags, rq, rpfrags, rp);
      if (err)
            return err;
      if (rp->fragSize == sizeof(rpbuff)) {
            size_t i;

            /* API did not returned real data length, so... try guessing it */
            for (i = sizeof(rpbuff); i > 0 && rpbuff[i-1] == 0xDB; i--);
            rp->fragSize = i;
      }
      return 0;
}

#endif

#ifndef N_PLAT_LINUX
char* strnwerror(int err) {
      static char errc[200];

      sprintf(errc, "error %u / %d / 0x%X", err, err, err);
      return errc;
}
#endif

static void DemoGetTime(NWCONN_HANDLE conn) {
      NWCCODE err;
      
      InitBuff();
      rqbuff[2] = 1;
      printf("GetUTCTime:\n");
      err = MyNWRequest(conn, 114, 1, rq, 1, rp);
      if (err) {
            fprintf(stderr, "NCP 114.1 failed with %s\n", strnwerror(err));
            return;
      }
      printf("Returned data length (at least 28): %u\n", rp->fragSize);
      printf("Seconds:   %u\n", *(u_int32_t*)rpbuff);
      printf("Fractions: 0x%08X (%u)\n", *(u_int32_t*)(rpbuff + 4), *(u_int32_t*)(rpbuff + 4));
      printf("Flags:     0x%08X\n", *(u_int32_t*)(rpbuff + 8));
      printf("An event stamps: %08X %08X %08X %08X\n",
            *(u_int32_t*)(rpbuff + 12),
            *(u_int32_t*)(rpbuff + 16),
            *(u_int32_t*)(rpbuff + 20),
            *(u_int32_t*)(rpbuff + 24));
}

static void DemoGetVersion(NWCONN_HANDLE conn) {
      NWCCODE err;
      
      InitBuff();
      rqbuff[2] = 12;
      printf("GetTimeVersion:\n");
      err = MyNWRequest(conn, 114, 1, rq, 1, rp);
      if (err) {
            fprintf(stderr, "NCP 114.12 failed with %s\n", strnwerror(err));
            return;
      }
      printf("Returned data length (at least 4): %u\n", rp->fragSize);
      printf("Version:   0x%08X (%u)\n", *(u_int32_t*)rpbuff, *(u_int32_t*)rpbuff);
}

static void DemoGetGarbage(NWCONN_HANDLE conn) {
      NWCCODE err;
      size_t i;
      
      InitBuff();
      rqbuff[2] = 6;
      printf("GetTimeGarbage:\n");
      err = MyNWRequest(conn, 114, 1, rq, 1, rp);
      if (err) {
            fprintf(stderr, "NCP 114.6 failed with %s\n", strnwerror(err));
            return;
      }
      printf("Returned data length: %u\n", rp->fragSize);
      printf("Data: ");
      for (i = 0; i < rp->fragSize; i++)
            printf(" %02X", rpbuff[i]);
      printf("\n");
}

int main(int argc, char *argv[]) {
      NWDSCCODE dserr;
      NWDSContextHandle ctx;
      NWCONN_HANDLE conn;
      const char* context = "[Root]";
      const char* server = "CDROM.VC.CVUT.CZ";
      int opt;
      u_int32_t ctxflag = 0;
      u_int32_t confidence = 0;

#ifdef N_PLAT_LINUX
      setlocale(LC_ALL, "");
      bindtextdomain(NCPFS_PACKAGE, LOCALEDIR);
      textdomain(NCPFS_PACKAGE);
#endif

      progname = argv[0];

      NWCallsInit(NULL, NULL);

      dserr = NWDSCreateContextHandle(&ctx);
      if (dserr) {
            fprintf(stderr, "NWDSCretateContextHandle failed with %s\n", strnwerror(dserr));
            return 123;
      }
      while ((opt = getopt(argc, argv, "h?o:c:v:S:C:t:")) != EOF)
      {
            switch (opt)
            {
            case 'C':
                  confidence = strtoul(optarg, NULL, 0);
                  break;
            case 'c':
                  context = optarg;
                  break;
            case 'v':
                  ctxflag = strtoul(optarg, NULL, 0);
                  break;
            case 'h':
            case '?':
                  help();
                  goto finished;
            case 'S':
                  server = optarg;
                  break;
            default:
                  usage();
                  goto finished;
            }
      }

      ctxflag |= DCV_XLATE_STRINGS;
      
      dserr = NWDSSetContext(ctx, DCK_FLAGS, &ctxflag);
      if (dserr) {
            fprintf(stderr, "NWDSSetContext(DCK_FLAGS) failed: %s\n",
                  strnwerror(dserr));
            return 123;
      }
      dserr = NWDSSetContext(ctx, DCK_NAME_CONTEXT, context);
      if (dserr) {
            fprintf(stderr, "NWDSSetContext(DCK_NAME_CONTEXT) failed: %s\n",
                  strnwerror(dserr));
            return 122;
      }
      dserr = NWDSSetContext(ctx, DCK_CONFIDENCE, &confidence);
      if (dserr) {
            fprintf(stderr, "NWDSSetContext(DCK_CONFIDENCE) failed: %s\n",
                  strnwerror(dserr));
            return 122;
      }
#ifdef N_PLAT_LINUX
      {
            static const u_int32_t add[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
            dserr = NWDSSetTransport(ctx, 16, add);
            if (dserr) {
                  fprintf(stderr, "NWDSSetTransport failed: %s\n",
                        strnwerror(dserr));
                  return 124;
            }
      }
      if (server[0] == '/') {
            dserr = ncp_open_mount(server, &conn);
            if (dserr) {
                  fprintf(stderr, "ncp_open_mount failed with %s\n",
                        strnwerror(dserr));
                  return 111;
            }
      } else {
            struct ncp_conn_spec connsp;
            long err;
            
            memset(&connsp, 0, sizeof(connsp));
            strcpy(connsp.server, server);
            conn = ncp_open(&connsp, &err);
            if (!conn) {
                  fprintf(stderr, "ncp_open failed with %s\n",
                        strnwerror(err));
                  return 111;
            }
      }
      dserr = NWDSAddConnection(ctx, conn);
#else 
      dserr = NWDSOpenConnToNDSServer(ctx, server, &conn);
#endif
      if (dserr) {
            fprintf(stderr, "Cannot bind connection to context: %s\n",
                  strnwerror(dserr));
      }
      DemoGetTime(conn);
      printf("Waiting 500 ms\n"); 
#ifdef N_PLAT_LINUX
      usleep(500000);
#else
      Sleep(500);
#endif
      DemoGetTime(conn);
      DemoGetVersion(conn);
      DemoGetGarbage(conn);
      NWCCCloseConn(conn);
      dserr = NWDSFreeContext(ctx);
      if (dserr) {
            fprintf(stderr, "NWDSFreeContext failed with %s\n", strnwerror(dserr));
            return 121;
      }
finished:
      return 0;
}
      

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