* file named AUTHORS, in the root directory of this distribution.
*/
/*
- * $Id: amtape.c,v 1.22.2.6.4.5.2.4.2.1 2005/09/20 21:31:52 jrjackson Exp $
+ * $Id: amtape.c,v 1.40 2006/01/14 04:37:19 paddy_s Exp $
*
* tape changer interface program
*/
#include "amanda.h"
#include "conffile.h"
#include "tapefile.h"
+#include "taperscan.h"
#include "tapeio.h"
#include "clock.h"
#include "changer.h"
void load_label P((int argc, char **argv));
void show_slots P((int argc, char **argv));
void show_current P((int argc, char **argv));
-void taper_scan P((int argc, char **argv));
+void amtape_taper_scan P((int argc, char **argv));
void show_device P((int argc, char **argv));
-int scan_init P((int rc, int ns, int bk));
-int loadlabel_slot P((int rc, char *slotstr, char *device));
-int show_init P((int rc, int ns, int bk));
-int show_init_all P((int rc, int ns, int bk));
-int show_init_current P((int rc, int ns, int bk));
-int show_slot P((int rc, char *slotstr, char *device));
-int taperscan_slot P((int rc, char *slotstr, char *device));
-int update_one_slot P((int rc, char *slotstr, char *device));
-void update_labeldb P((int argc, char **argv));
+int loadlabel_slot P((void *ud, int rc, char *slotstr, char *device));
+int show_init P((void *ud, int rc, int ns, int bk, int s));
+int show_init_all P((void *ud, int rc, int ns, int bk, int s));
+int show_init_current P((void *ud, int rc, int ns, int bk, int s));
+int show_slot P((void *ud, int rc, char *slotstr, char *device));
+
+static const struct {
+ const char *name;
+ void (*fn) P((int, char **));
+ const char *usage;
+} cmdtab[] = {
+ { "reset", reset_changer,
+ "reset Reset changer to known state" },
+ { "eject", eject_tape,
+ "eject Eject current tape from drive" },
+ { "clean", clean_tape,
+ "clean Clean the drive" },
+ { "show", show_slots,
+ "show Show contents of all slots" },
+ { "current", show_current,
+ "current Show contents of current slot" },
+ { "slot" , load_slot,
+ "slot <slot #> load tape from slot <slot #>" },
+ { "slot" , load_slot,
+ "slot current load tape from current slot" },
+ { "slot" , load_slot,
+ "slot prev load tape from previous slot" },
+ { "slot" , load_slot,
+ "slot next load tape from next slot" },
+ { "slot" , load_slot,
+ "slot advance advance to next slot but do not load" },
+ { "slot" , load_slot,
+ "slot first load tape from first slot" },
+ { "slot" , load_slot,
+ "slot last load tape from last slot" },
+ { "label", load_label,
+ "label <label> find and load labeled tape" },
+ { "taper", amtape_taper_scan,
+ "taper perform taper's scan alg." },
+ { "device", show_device,
+ "device show current tape device" },
+};
+#define NCMDS (sizeof(cmdtab) / sizeof(cmdtab[0]))
void usage()
{
+ int i;
+
fprintf(stderr, "Usage: amtape%s <conf> <command>\n", versionsuffix());
fprintf(stderr, "\tValid commands are:\n");
- fprintf(stderr, "\t\treset Reset changer to known state\n");
- fprintf(stderr, "\t\teject Eject current tape from drive\n");
- fprintf(stderr, "\t\tclean Clean the drive\n");
- fprintf(stderr, "\t\tshow Show contents of all slots\n");
- fprintf(stderr, "\t\tcurrent Show contents of current slot\n");
- fprintf(stderr, "\t\tslot <slot #> load tape from slot <slot #>\n");
- fprintf(stderr, "\t\tslot current load tape from current slot\n");
- fprintf(stderr, "\t\tslot prev load tape from previous slot\n");
- fprintf(stderr, "\t\tslot next load tape from next slot\n");
- fprintf(stderr, "\t\tslot advance advance to next slot but do not load\n");
- fprintf(stderr, "\t\tslot first load tape from first slot\n");
- fprintf(stderr, "\t\tslot last load tape from last slot\n");
- fprintf(stderr, "\t\tlabel <label> find and load labeled tape\n");
- fprintf(stderr, "\t\ttaper perform taper's scan alg.\n");
- fprintf(stderr, "\t\tdevice show current tape device\n");
- fprintf(stderr, "\t\tupdate update the label matchingdatabase\n");
-
+ for (i = 0; i < NCMDS; i++)
+ fprintf(stderr, "\t\t%s\n", cmdtab[i].usage);
exit(1);
}
char *argv0 = argv[0];
unsigned long malloc_hist_1, malloc_size_1;
unsigned long malloc_hist_2, malloc_size_2;
+ int i;
int have_changer;
uid_t uid_me;
uid_t uid_dumpuser;
safe_cd();
set_pname("amtape");
- dbopen();
+
+ /* Don't die when child closes pipe */
+ signal(SIGPIPE, SIG_IGN);
malloc_size_1 = malloc_inuse(&malloc_hist_1);
if (read_conffile(conffile)) {
error("errors processing config file \"%s\"", conffile);
}
+
conf_tapelist = getconf_str(CNF_TAPELIST);
if (*conf_tapelist == '/') {
conf_tapelist = stralloc(conf_tapelist);
/* switch on command name */
argc -= 2; argv += 2;
- if(strcmp(argv[0], "reset") == 0) reset_changer(argc, argv);
- else if(strcmp(argv[0], "clean") == 0) clean_tape(argc, argv);
- else if(strcmp(argv[0], "eject") == 0) eject_tape(argc, argv);
- else if(strcmp(argv[0], "slot") == 0) load_slot(argc, argv);
- else if(strcmp(argv[0], "label") == 0) load_label(argc, argv);
- else if(strcmp(argv[0], "current") == 0) show_current(argc, argv);
- else if(strcmp(argv[0], "show") == 0) show_slots(argc, argv);
- else if(strcmp(argv[0], "taper") == 0) taper_scan(argc, argv);
- else if(strcmp(argv[0], "device") == 0) show_device(argc, argv);
- else if(strcmp(argv[0], "update") == 0) update_labeldb(argc, argv);
- else {
+ for (i = 0; i < NCMDS; i++)
+ if (strcmp(argv[0], cmdtab[i].name) == 0) {
+ (*cmdtab[i].fn)(argc, argv);
+ break;
+ }
+ if (i == NCMDS) {
fprintf(stderr, "%s: unknown command \"%s\"\n", argv0, argv[0]);
usage();
}
malloc_list(fileno(stderr), malloc_hist_1, malloc_hist_2);
}
- dbclose();
return 0;
}
char *searchlabel, *labelstr;
tape_t *tp;
-int scan_init(rc, ns, bk)
-int rc, ns, bk;
+static int
+scan_init(ud, rc, ns, bk, s)
+ void *ud;
+ int rc, ns, bk, s;
{
if(rc)
error("could not get changer info: %s", changer_resultstr);
return 0;
}
-int loadlabel_slot(rc, slotstr, device)
+int loadlabel_slot(ud, rc, slotstr, device)
+ void *ud;
int rc;
char *slotstr;
char *device;
found = 0;
- changer_find(scan_init, loadlabel_slot, searchlabel);
+ changer_find(NULL, scan_init, loadlabel_slot, searchlabel);
if(found)
fprintf(stderr, "%s: label %s is now loaded.\n",
/* ---------------------------- */
-int show_init(rc, ns, bk)
-int rc, ns, bk;
+int show_init(ud, rc, ns, bk, s)
+ void *ud;
+int rc, ns, bk, s;
{
if(rc)
error("could not get changer info: %s", changer_resultstr);
return 0;
}
-int show_init_all(rc, ns, bk)
-int rc, ns, bk;
+int show_init_all(ud, rc, ns, bk, s)
+ void *ud;
+int rc, ns, bk, s;
{
- int ret = show_init(rc, ns, bk);
+ int ret = show_init(NULL, rc, ns, bk, s);
fprintf(stderr, "%s: scanning all %d slots in tape-changer rack:\n",
get_pname(), nslots);
return ret;
}
-int show_init_current(rc, ns, bk)
-int rc, ns, bk;
+int show_init_current(ud, rc, ns, bk, s)
+ void *ud;
+int rc, ns, bk, s;
{
- int ret = show_init(rc, ns, bk);
+ int ret = show_init(NULL, rc, ns, bk, s);
fprintf(stderr, "%s: scanning current slot in tape-changer rack:\n",
get_pname());
return ret;
}
-int update_one_slot(rc, slotstr, device)
-int rc;
-char *slotstr, *device;
-{
- char *errstr;
-
- if(rc > 1)
- error("could not load slot %s: %s", slotstr, changer_resultstr);
- else if(rc == 1)
- fprintf(stderr, "slot %s: %s\n", slotstr, changer_resultstr);
- else if((errstr = tape_rdlabel(device, &datestamp, &label)) != NULL)
- fprintf(stderr, "slot %s: %s\n", slotstr, errstr);
- else {
- fprintf(stderr, "slot %s: date %-8s label %s\n",
- slotstr, datestamp, label);
- changer_label(slotstr,label);
- }
- amfree(datestamp);
- amfree(label);
- return 0;
-}
-
-int show_slot(rc, slotstr, device)
+int show_slot(ud, rc, slotstr, device)
+ void *ud;
int rc;
char *slotstr, *device;
{
if(argc != 1)
usage();
- changer_current(show_init_current, show_slot);
-}
-
-void update_labeldb(argc, argv)
-int argc;
-char **argv;
-{
- if(argc != 1)
- usage();
-
- changer_scan(show_init_all, update_one_slot);
+ changer_current(NULL, show_init_current, show_slot);
}
void show_slots(argc, argv)
if(argc != 1)
usage();
- changer_scan(show_init_all, show_slot);
+ changer_find(NULL, show_init_all, show_slot, NULL);
}
/* ---------------------------- */
-
-int taperscan_slot(rc, slotstr, device)
-int rc;
-char *slotstr;
-char *device;
-{
- char *errstr;
-
- if(rc == 2)
- error("could not load slot %s: %s", slotstr, changer_resultstr);
- else if(rc == 1)
- fprintf(stderr, "%s: slot %s: %s\n",
- get_pname(), slotstr, changer_resultstr);
- else {
- if((errstr = tape_rdlabel(device, &datestamp, &label)) != NULL) {
- fprintf(stderr, "%s: slot %s: %s\n", get_pname(), slotstr, errstr);
- } else {
- /* got an amanda tape */
- fprintf(stderr, "%s: slot %s: date %-8s label %s",
- get_pname(), slotstr, datestamp, label);
- if(searchlabel != NULL
- && (strcmp(label, FAKE_LABEL) == 0
- || strcmp(label, searchlabel) == 0)) {
- /* it's the one we are looking for, stop here */
- fprintf(stderr, " (exact label match)\n");
- found = 1;
- amfree(datestamp);
- amfree(label);
- return 1;
- }
- else if(!match(labelstr, label))
- fprintf(stderr, " (no match)\n");
- else {
- /* not an exact label match, but a labelstr match */
- /* check against tape list */
- tp = lookup_tapelabel(label);
- if(tp == NULL)
- fprintf(stderr, " (not in tapelist)\n");
- else if(!reusable_tape(tp))
- fprintf(stderr, " (active tape)\n");
- else if(got_match == 0 && tp->datestamp == 0) {
- got_match = 1;
- first_match = newstralloc(first_match, slotstr);
- first_match_label = newstralloc(first_match_label, label);
- fprintf(stderr, " (new tape)\n");
- found = 3;
- amfree(datestamp);
- amfree(label);
- return 1;
- }
- else if(got_match)
- fprintf(stderr, " (labelstr match)\n");
- else {
- got_match = 1;
- first_match = newstralloc(first_match, slotstr);
- first_match_label = newstralloc(first_match_label, label);
- fprintf(stderr, " (first labelstr match)\n");
- if(!backwards || !searchlabel) {
- found = 2;
- amfree(datestamp);
- amfree(label);
- return 1;
- }
- }
- }
- }
- }
- amfree(datestamp);
- amfree(label);
- return 0;
-}
-
-void taper_scan(argc, argv)
+void amtape_taper_scan(argc, argv)
int argc;
char **argv;
{
- char *slotstr = NULL, *device = NULL;
+ char *device = NULL;
+ char *label = NULL, *errmsg = NULL;
if((tp = lookup_last_reusable_tape(0)) == NULL)
searchlabel = NULL;
if(searchlabel) fprintf(stderr, "tape label %s or ", searchlabel);
fprintf(stderr, "a new tape.\n");
- if (searchlabel != NULL)
- changer_find(scan_init, taperscan_slot, searchlabel);
- else
- changer_scan(scan_init, taperscan_slot);
-
- if(found == 3) {
- fprintf(stderr, "%s: settling for new tape\n", get_pname());
- searchlabel = newstralloc(searchlabel, first_match_label);
- }
- else if(found == 2) {
- fprintf(stderr, "%s: %s: settling for first labelstr match\n",
- get_pname(),
- searchlabel? "gravity stacker": "looking only for new tape");
- searchlabel = newstralloc(searchlabel, first_match_label);
- }
- else if(!found && got_match) {
- fprintf(stderr,
- "%s: %s not found, going back to first labelstr match %s\n",
- get_pname(), searchlabel, first_match_label);
- searchlabel = newstralloc(searchlabel, first_match_label);
- if(changer_loadslot(first_match, &slotstr, &device) == 0) {
- found = 1;
- } else {
- fprintf(stderr, "%s: could not load labelstr match in slot %s: %s\n",
- get_pname(), first_match, changer_resultstr);
- }
- amfree(device);
- amfree(slotstr);
- }
- else if(!found) {
- fprintf(stderr, "%s: could not find ", get_pname());
- if(searchlabel) fprintf(stderr, "tape %s or ", searchlabel);
- fprintf(stderr, "a new tape in the tape rack.\n");
+ if (taper_scan(searchlabel, &label, &datestamp, &errmsg, &device) <= 0) {
+ fprintf(stderr, "%s\n", errmsg);
}
- if(found)
- fprintf(stderr, "%s: label %s is now loaded.\n",
- get_pname(), searchlabel);
+ fprintf(stderr, "%s: label %s is now loaded.\n",
+ get_pname(), label);
- amfree(searchlabel);
- amfree(first_match);
- amfree(first_match_label);
+ amfree(label);
+ amfree(datestamp);
+ amfree(errmsg);
+ amfree(device);
}
/* ---------------------------- */
projects / debian / amanda / blobdiff