// construct a method from the type and a stream with properties
// the stream is supposed to consist of lines of the "property_name property_value" form.
nKrawall::nMethod::nMethod( char const * method_, std::istream & properties )
{
method = method_;
while ( !properties.eof() )
{
tString property;
properties >> property;
tToLower( property );
std::ws( properties );
if ( property == "prefix" )
{
prefix.ReadLine( properties );
}
else if ( property == "suffix" )
{
suffix.ReadLine( properties );
}
}
}
static int parse_cmdline(int argc, char *argv[])
{
int c, ndx = 0;
tString tmp;
struct option options[] = { { "version", 0, 0, LONGONLYOPT_VERSION },
{ "help", 0, 0, LONGONLYOPT_HELP },
{ "user", 1, 0, 'u' },
{ "group", 1, 0, 'g' },
{ "label", 1, 0, 'l' },
{ "pool", 1, 0, LONGONLYOPT_POOL },
{ 0, 0, 0, 0 } };
cmdl.print_version = false;
cmdl.print_help = false;
cmdl.command = 0;
cmdl.slot = 0;
cmdl.drive = 0;
cmdl.mag_bay = 0;
cmdl.count = 0;
cmdl.label_prefix.clear();
cmdl.pool.clear();
cmdl.runas_user.clear();
cmdl.runas_group.clear();
cmdl.config_file.clear();
cmdl.archive_device.clear();
/* process the command line */
for (;;) {
c = getopt_long(argc ,argv, "u:g:l:", options, NULL);
if (c == -1) break;
switch (c) {
case LONGONLYOPT_VERSION:
cmdl.print_version = true;
cmdl.print_help = false;
return 0;
case LONGONLYOPT_HELP:
cmdl.print_version = false;
cmdl.print_help = true;
return 0;
case 'u':
cmdl.runas_user = optarg;
break;
case 'g':
cmdl.runas_group = optarg;
break;
case 'l':
cmdl.label_prefix = optarg;
break;
case LONGONLYOPT_POOL:
cmdl.pool = optarg;
break;
default:
fprintf(stderr, "unknown option %s\n", optarg);
return -1;
}
}
/* process positional params */
ndx = optind;
/* First parameter is the vchanger config file path */
if (ndx >= argc) {
fprintf(stderr, "missing parameter 1 (config_file)\n");
return -1;
}
cmdl.config_file = argv[ndx];
/* Second parameter is the command */
++ndx;
if (ndx >= argc) {
fprintf(stderr, "missing parameter 2 (command)\n");
return -1;
}
tmp = argv[ndx];
tToLower(tStrip(tmp));
for (cmdl.command = 0; cmdl.command < NUM_AUTOCHANGER_COMMANDS; cmdl.command++) {
if (tmp == autochanger_command[cmdl.command]) break;
}
if (cmdl.command >= NUM_AUTOCHANGER_COMMANDS) {
fprintf(stderr, "'%s' is not a recognized command", argv[ndx]);
return -1;
}
/* Make sure only CREATEVOLS command has -l flag */
if (!cmdl.label_prefix.empty() && cmdl.command != CMD_CREATEVOLS) {
fprintf(stderr, "flag -l not valid for this command\n");
return -1;
}
/* Make sure only CREATEVOLS command has --pool flag */
if (!cmdl.pool.empty() && cmdl.command != CMD_CREATEVOLS) {
fprintf(stderr, "flag --pool not valid for this command\n");
return -1;
}
/* Check param 3 exists */
++ndx;
if (ndx >= argc) {
/* Only 2 parameters given */
switch (cmdl.command) {
case CMD_LIST:
case CMD_LISTALL:
case CMD_SLOTS:
case CMD_LISTMAGS:
case CMD_REFRESH:
return 0; /* OK, because these commands only need 2 parameters */
case CMD_CREATEVOLS:
fprintf(stderr, "missing parameter 3 (magazine index)\n");
break;
default:
fprintf(stderr, "missing parameter 3 (slot number)\n");
break;
}
return -1;
}
/* Process parameter 3 */
switch (cmdl.command) {
case CMD_LIST:
case CMD_LISTALL:
case CMD_SLOTS:
case CMD_LISTMAGS:
case CMD_REFRESH:
return 0; /* These commands only need 2 params, so ignore extraneous */
case CMD_CREATEVOLS:
/* Param 3 for CREATEVOLS command is magazine index */
cmdl.mag_bay = (int)strtol(argv[ndx], NULL, 10);
if (cmdl.mag_bay < 0) {
fprintf(stderr, "invalid magazine index in parameter 3\n");
return -1;
}
break;
case CMD_LOADED:
/* slot is ignored for LOADED command, so just set to 1 */
cmdl.slot = 1;
break;
default:
/* Param 3 for all other commands is the slot number */
cmdl.slot = (int)strtol(argv[ndx], NULL, 10);
if (cmdl.slot < 1) {
fprintf(stderr, "invalid slot number in parameter 3\n");
return -1;
}
break;
}
/* Check param 4 exists */
++ndx;
if (ndx >= argc) {
/* Only 3 parameters given */
switch (cmdl.command) {
case CMD_CREATEVOLS:
fprintf(stderr, "missing parameter 4 (count)\n");
break;
default:
fprintf(stderr, "missing parameter 4 (archive device)\n");
break;
}
return -1;
}
/* Process param 4 */
switch (cmdl.command) {
case CMD_CREATEVOLS:
/* Param 4 for CREATEVOLS command is volume count */
cmdl.count = (int)strtol(argv[ndx], NULL, 10);
if (cmdl.count <= 0 ) {
fprintf(stderr, "invalid count in parameter 4\n");
return -1;
}
break;
default:
/* Param 4 for all other commands is the archive device path */
cmdl.archive_device = argv[ndx];
break;
}
/* Check param 5 exists */
++ndx;
if (ndx >= argc) {
/* Only 4 parameters given */
switch (cmdl.command) {
case CMD_CREATEVOLS:
cmdl.slot = -1;
return 0; /* OK, because parameter 5 optional */
default:
fprintf(stderr, "missing parameter 5 (drive index)\n");
break;
}
return -1;
}
switch (cmdl.command) {
case CMD_CREATEVOLS:
cmdl.slot = (int)strtol(argv[ndx], NULL, 10);
if (cmdl.slot < 0) cmdl.slot = -1;
break;
default:
/* Param 5 for all other commands is drive index number */
if (!isdigit(argv[ndx][0])) {
fprintf(stderr, "invalid drive index in parameter 5\n");
return -1;
}
cmdl.drive = (int)strtol(argv[ndx], NULL, 10);
if (cmdl.drive < 0) {
fprintf(stderr, "invalid drive index in parameter 5\n");
return -1;
}
break;
}
/* note that any extraneous parameters are simply ignored */
return 0;
}
