* University of Maryland at College Park
*/
/*
- * $Id: driverio.h,v 1.32 2005/12/03 13:27:43 martinea Exp $
+ * $Id: driverio.h,v 1.35 2006/05/25 01:47:19 johnfranks Exp $
*
* driver-related helper functions
*/
+#ifndef DRIVERIO_H
+#define DRIVERIO_H
#include "event.h"
+#include "amanda.h"
#include "holding.h"
#include "server_util.h"
-#define MAX_DUMPERS 63
-
#ifndef GLOBAL
#define GLOBAL extern
#endif
typedef struct chunker_s {
char *name; /* name of this chunker */
- int pid; /* its pid */
+ pid_t pid; /* its pid */
int down; /* state */
int fd; /* read/write */
int result;
typedef struct dumper_s {
char *name; /* name of this dumper */
- int pid; /* its pid */
+ pid_t pid; /* its pid */
int busy, down; /* state */
int fd; /* read/write */
int result;
chunker_t *chunker;
} dumper_t;
+/* holding disk reservation structure; this is built as a list parallel
+ * to the configuration's linked list of holding disks. */
+
+typedef struct holdalloc_s {
+ struct holdalloc_s *next;
+ holdingdisk_t *hdisk;
+
+ off_t disksize;
+ int allocated_dumpers;
+ off_t allocated_space;
+} holdalloc_t;
+
typedef struct assignedhd_s {
- holdingdisk_t *disk;
- long used;
- long reserved;
+ holdalloc_t *disk;
+ off_t used;
+ off_t reserved;
char *destname;
} assignedhd_t;
/* schedule structure */
typedef struct sched_s {
- int attempted, priority;
+ int dump_attempted;
+ int taper_attempted;
+ int priority;
int level, degr_level;
- long est_time, degr_time;
- unsigned long est_size, degr_size, act_size;
- unsigned long origsize, dumpsize;
- unsigned long dumptime, tapetime;
+ unsigned long est_time, degr_time;
+ off_t est_nsize, est_csize, est_size;
+ off_t degr_nsize, degr_csize, act_size;
+ off_t origsize, dumpsize;
+ time_t dumptime, tapetime;
char *dumpdate, *degr_dumpdate;
- int est_kps, degr_kps;
+ unsigned long est_kps, degr_kps;
char *destname; /* file/port name */
dumper_t *dumper;
assignedhd_t **holdp;
#define sched(dp) ((sched_t *) (dp)->up)
-/* holding disk reservation structure */
-
-typedef struct holdalloc_s {
- int allocated_dumpers;
- long allocated_space;
-} holdalloc_t;
-
-#define holdalloc(hp) ((holdalloc_t *) (hp)->up)
-
GLOBAL dumper_t dmptable[MAX_DUMPERS];
GLOBAL chunker_t chktable[MAX_DUMPERS];
/* command/result tokens */
-GLOBAL int taper, taper_busy, taper_pid;
+typedef enum {
+ TAPER_STATE_DEFAULT = 0,
+ TAPER_STATE_DUMP_TO_TAPE = (1 << 0), // if taper is doing a dump to tape
+ TAPER_STATE_WAIT_FOR_TAPE = (1 << 1), // if taper wait for a tape, after a
+ // REQUEST-NEW-TAPE
+ TAPER_STATE_TAPE_STARTED = (1 << 2) // taper already started to write to
+ // a tape.
+} TaperState;
+
+GLOBAL int taper, taper_busy;
+GLOBAL int taper_sendresult;
+GLOBAL char *taper_input_error;
+GLOBAL char *taper_tape_error;
+GLOBAL pid_t taper_pid;
+GLOBAL int taper_result;
+GLOBAL dumper_t *taper_dumper;
GLOBAL event_handle_t *taper_ev_read;
-
-void init_driverio P((void));
-void startup_tape_process P((char *taper_program));
-void startup_dump_process P((dumper_t *dumper, char *dumper_program));
-void startup_dump_processes P((char *dumper_program, int inparallel));
-void startup_chunk_process P((chunker_t *chunker, char *chunker_program));
-
-cmd_t getresult P((int fd, int show, int *result_argc, char **result_argv, int max_arg));
-int taper_cmd P((cmd_t cmd, void *ptr, char *destname, int level, char *datestamp));
-int dumper_cmd P((dumper_t *dumper, cmd_t cmd, disk_t *dp));
-int chunker_cmd P((chunker_t *chunker, cmd_t cmd, disk_t *dp));
-disk_t *serial2disk P((char *str));
-void free_serial P((char *str));
-void free_serial_dp P((disk_t *dp));
-void check_unfree_serial P(());
-char *disk2serial P((disk_t *dp));
-void update_info_dumper P((disk_t *dp, long origsize, long dumpsize, long dumptime));
-void update_info_taper P((disk_t *dp, char *label, int filenum, int level));
-void free_assignedhd P((assignedhd_t **holdp));
+GLOBAL char *taper_first_label;
+GLOBAL off_t taper_first_fileno;
+GLOBAL TaperState taper_state;
+GLOBAL off_t taper_written; // Number of kb already written to tape
+ // for the DLE.
+
+void init_driverio(void);
+void startup_tape_process(char *taper_program);
+void startup_dump_process(dumper_t *dumper, char *dumper_program);
+void startup_dump_processes(char *dumper_program, int inparallel, char *timestamp);
+void startup_chunk_process(chunker_t *chunker, char *chunker_program);
+
+disk_t *serial2disk(char *str);
+void free_serial(char *str);
+void free_serial_dp(disk_t *dp);
+void check_unfree_serial(void);
+char *disk2serial(disk_t *dp);
+void update_info_dumper(disk_t *dp, off_t origsize, off_t dumpsize, time_t dumptime);
+void update_info_taper(disk_t *dp, char *label, off_t filenum, int level);
+void free_assignedhd(assignedhd_t **holdp);
+#endif /* !DRIVERIO_H */
projects / debian / amanda / blobdiff