serviceOptions.c

   1 /**
   2  * @file serviceOptions.c
   3  *
   4  * @brief
   5  *
   6  * @author Copyright (C) 2004 - 2010 CERN. Georgievskiy Yury <ygeorgie@cern.ch>
   7  *
   8  * @date Created on 27/02/2004
   9  *
  10  * @section license_sec License
  11  *          Released under the GPL
  12  */
  13 #include "serviceOptions.h"
  14 #include "driverGen.h"
  15
  16 static srvopt_c srv_opt_c;      /* container that holds command line args */
  17
  18 /**
  19  * @brief Arguments amount and their forman supposed to be correct! No
  20  *        checking is performed.
  21  *
  22  * @param cur_arg -
  23  * @param ...     -
  24  *
  25  * @return 0 - all OK
  26  * @return 1 - error occurs.
  27  */
  28 int SetSrvOptArgs(srvarg cur_arg, ...)
  29 {
  30         va_list ap;
  31
  32         va_start(ap, cur_arg);
  33
  34         switch (cur_arg) {
  35         case SRV_VF_DRVR:
  36         case SRV_VF_SIM:
  37                 vsnprintf(srv_opt_c.srv_vf_dir, sizeof(srv_opt_c.srv_vf_dir),
  38                           "%s", ap);
  39                 break;
  40         default:
  41                 break;
  42         }
  43
  44         va_end(ap);
  45
  46         return 0; /* OK */
  47 }
  48
  49 /**
  50  * @brief All service driverGen options are processed here.
  51  *
  52  * @param cur_arg --
  53  * @param pn      -- prog name
  54  *
  55  * To call service option you should call dgII with -srv option:
  56  * dgII -srv [args]
  57  *
  58  * Supported service options are:
  59  * 1. Creating of the version file within already existing driver directory.
  60  *    Arguments are:
  61  *    a. drvrvers/simvers
  62  *    b. driver directory, where to create versioin files.
  63  *
  64  * @return 0              - all OK
  65  * @return negative value - error occurs.
  66  */
  67 int ProcessSrvOpt(srvarg cur_arg, char *pn)
  68 {
  69         struct stat status;
  70         FILE *file;
  71         char file_path[128];
  72         char *file_name;
  73         FILETYPE cur_ft;        /* current file type */
  74         rstat cc;               /* driverGen error codes */
  75
  76         switch (cur_arg) {
  77         case SRV_VF_DRVR:
  78         case SRV_VF_SIM:
  79                 /* version files will be created only if appropriate destanation
  80                    directory already exist and version file is not yet created.
  81                    Existing version files will not be corrupted in this case.
  82
  83                    Parameters for this service command are:
  84                    1. Module name
  85                    2. Bus type
  86                    3. Driver directory  */
  87                 if (cur_arg == SRV_VF_DRVR) {
  88                         cur_ft = DRIVER_FT;
  89                         TranslationSetDriverType("DRVR");
  90                         TranslationSetFancyString("Driver");
  91                 } else {
  92                         cur_ft = SIM_FT;
  93                         TranslationSetDriverType("SIM");
  94                         TranslationSetFancyString("Simulator");
  95                 }
  96
  97                 /* first, check if driver directory exist */
  98                 snprintf(file_path, sizeof(file_path), "%s/%s", get_mid(NULL),
  99                          srv_opt_c.srv_vf_dir);
 100                 if (stat(file_path, &status)) {
 101                         fprintf(stderr, "[%s] %s: Module driver directory"
 102                                 " doesn't exist!\n", pn, file_path);
 103                         return -1; /* fail */
 104                 }
 105
 106                 /* second, check if expected user directory is in the place */
 107                 snprintf(file_path, sizeof(file_path), "%s/%s/%s/%s",
 108                          get_mid(NULL), srv_opt_c.srv_vf_dir, LOCAL_INCL_DIR,
 109                          LOCAL_USER_DIR);
 110                 cc = MakeSafeDir(file_path);
 111                 if (cc < 0)
 112                         return cc;
 113
 114                 /* now check if version file is already exist */
 115                 GenerateFilename(cur_ft, file_path, "Version", ".h", file_path);
 116                 file_name = rindex(file_path, '/');
 117                 ++file_name;
 118                 if (!stat(file_path, &status)) {
 119                         fprintf(stderr, "%s Version file (%s) already exist!\n",
 120                                 (cur_arg == SRV_VF_DRVR) ? "Driver" :
 121                                 "Simulator", file_name);
 122                         return -1; /* error */
 123                 }
 124
 125                 /* ok - we are cool. Proceed... */
 126                 file = fopen(file_path, "w");   /* create version file */
 127                 Translate(file, "common", "driver/userPart/uepVers.h");
 128                 fclose(file);
 129                 break;
 130         default:
 131                 break;
 132         }
 133
 134         return 0; /* success */
 135 }