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dsstream.c

/*
    dsstream.c - NWDSOpenStream() API demo
    Copyright (C) 1999, 2000, 2002  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  2002, January 20              Petr Vandrovec <vandrove@vc.cvut.cz>
            Initial revision, copied from readattr.c.

*/

#ifdef N_PLAT_MSW4
#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 <fcntl.h>
#include <errno.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"
             "-o object_name  Name of object (default [Root])\n"
             "-c context_name Name of current context (default OrgUnit.Org.Country)\n"
             "-C confidence   DCK_CONFIDENCE value (default 0)\n"
             "-S server       Server to start with (default CDROM)\n"
             "-a attrname     Stream name\n"
             "-q flags        Open flags\n"
             "-w filename     Write file to stream\n"
             "\n"));
}

#ifdef N_PLAT_MSW4
char* strnwerror(int err) {
      static char errc[200];

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

int main(int argc, char *argv[]) {
      NWDSCCODE dserr;
      NWDSContextHandle ctx;
      NWCONN_HANDLE conn;
      const char* objectname = "[Root]";
      const char* context = "OrgUnit.Org.Country";
      const char* server = "CDROM";
      const char* streamname = "Login Script";
      int writefile = -1;
      int opt;
      u_int32_t ctxflag = 0;
      u_int32_t confidence = 0;
      u_int32_t req = 0;

#ifndef N_PLAT_MSW4
      setlocale(LC_ALL, "");
      bindtextdomain(NCPFS_PACKAGE, LOCALEDIR);
      textdomain(NCPFS_PACKAGE);
#endif

      progname = argv[0];

      NWCallsInit(NULL, NULL);
#ifndef N_PLAT_MSW4
      NWDSInitRequester();
#endif

      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:a:q:w:")) != EOF)
      {
            switch (opt)
            {
            case 'w':
                  writefile = open(optarg, O_RDONLY);
                  if (writefile == -1) {
                        fprintf(stderr, "Cannot open %s: %s\n", optarg, strerror(errno));
                        return 111;
                  }
                  break;
            case 'a':
                  streamname = optarg;
                  break;
            case 'q':
                  req = strtoul(optarg, NULL, 0);
                  break;
            case 'C':
                  confidence = strtoul(optarg, NULL, 0);
                  break;
            case 'o':
                  objectname = optarg;
                  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;
      }
#ifndef N_PLAT_MSW4
      {
            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;
            }
      }
#endif
#ifdef N_PLAT_MSW4
      dserr = NWDSOpenConnToNDSServer(ctx, server, &conn);
#else
      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);
#endif
      if (dserr) {
            fprintf(stderr, "Cannot bind connection to context: %s\n",
                  strnwerror(dserr));
      }
      {
            nuint8 hndl[6];
            NWCONN_HANDLE fileConn;
            ncp_off64_t fileSize;

            dserr = __NWDSOpenStream(ctx, objectname, streamname, req, &fileConn, hndl, &fileSize); 
            if (dserr) {
                  fprintf(stderr, "Read failed with %s\n", 
                        strnwerror(dserr));
            } else {
                  char buff[1000];
                  off_t off = 0;
                  int rd;

                  printf("File handle: %02X%02X:%02X%02X%02X%02X, size=%llu\n",
                        hndl[0], hndl[1], hndl[2], hndl[3], hndl[4], hndl[5], fileSize);
                  if (writefile == -1) {
                        do {
                              rd = ncp_read(fileConn, hndl, off, sizeof(buff), buff);
                              if (rd > 0) {
                                    long l;
                                    l = write(1, buff, rd);
                                    if (l < 0) {
                                          fprintf(stderr, "Cannot print stream content: %s\n", strerror(errno));
                                    } else if (l != rd) {
                                          fprintf(stderr, "Printing resulted in short write\n");
                                    }
                                    off += rd;
                              } else if (rd == 0) {
                                    printf("\nEnd of stream\n");
                              } else {
                                    fprintf(stderr, "Read error: %s\n", strnwerror(rd));
                              }
                        } while (rd > 0);
                  } else {
                        do {
                              rd = read(writefile, buff, sizeof(buff));
                              if (rd > 0) {
                                    long l;
                                    l = ncp_write(fileConn, hndl, off, rd, buff);
                                    if (l < 0) {
                                          fprintf(stderr, "Write to stream failed: %s\n", strnwerror(l));
                                    } else if (l != rd) {
                                          fprintf(stderr, "Write to stream resulted in short write\n");
                                    }
                                    off += rd;
                              }
                        } while (rd > 0);
                  }
                  ncp_close_file(fileConn, hndl);
                  NWCCCloseConn(fileConn);
            }
      };
      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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