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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <error.h>
include <ctype.h>
include <fmlfstat.h>
include <mach.h>
include "fmset.h"
# ZZDEBUG.X -- Debug routines for the FMIO package.
task create = t_create,
enter = t_enter,
extract = t_extract,
mkfile = t_mkfile,
type = t_type,
show = t_show,
copy = t_copy,
rebuild = t_rebuild,
fcache = t_fcache
# CREATE -- Create a new, empty datafile.
procedure t_create()
pointer fm
char datafile[SZ_FNAME]
int pagesize, nlfiles, maxptpages
int clgeti()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
pagesize = clgeti ("pagesize")
nlfiles = clgeti ("nlfiles")
maxptpages = clgeti ("maxptpages")
fm = fm_open (datafile, NEW_FILE)
if (pagesize > 0)
call fm_seti (fm, FM_PAGESIZE, pagesize)
if (nlfiles > 0)
call fm_seti (fm, FM_MAXLFILES, nlfiles)
if (maxptpages > 0)
call fm_seti (fm, FM_MAXPTPAGES, maxptpages)
call fm_close (fm)
end
# ENTER -- Copy a regular disk file into an lfile.
procedure t_enter()
pointer fm
int lfile, type, fd, lf
char datafile[SZ_FNAME], fname[SZ_FNAME]
int clgeti(), open(), fm_fopen(), access()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
call clgstr ("fname", fname, SZ_FNAME)
lfile = clgeti ("lfile")
if (access (fname, 0, TEXT_FILE) == YES)
type = TEXT_FILE
else
type = BINARY_FILE
fm = fm_open (datafile, READ_WRITE)
fd = open (fname, READ_ONLY, type)
lf = fm_fopen (fm, lfile, NEW_FILE, type)
call fcopyo (fd, lf)
call close (lf)
call close (fd)
call fm_close (fm)
end
# EXTRACT -- Copy an lfile out into a disk file.
procedure t_extract()
pointer fm
int lfstat[LEN_LFSTAT]
int lfile, type, fd, lf
char datafile[SZ_FNAME], fname[SZ_FNAME]
int clgeti(), open(), fm_fopen(), fm_lfstat()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
call clgstr ("fname", fname, SZ_FNAME)
lfile = clgeti ("lfile")
fm = fm_open (datafile, READ_ONLY)
if (fm_lfstat (fm, lfile, lfstat) == ERR)
call error (1, "cannot stat lfile")
else if (and (LFU_FLAGS(lfstat), LFB_TEXTFILE) != 0)
type = TEXT_FILE
else
type = BINARY_FILE
lf = fm_fopen (fm, lfile, READ_ONLY, type)
fd = open (fname, NEW_FILE, type)
call fcopyo (lf, fd)
call close (lf)
call close (fd)
call fm_close (fm)
end
# MKFILE -- Create a file of the given size (in kilobytes) containing all
# zero data.
procedure t_mkfile()
pointer fm
int lfile, lf, kb, i
char datafile[SZ_FNAME], buf[1024/SZB_CHAR]
int clgeti(), fm_fopen()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
lfile = clgeti ("lfile")
kb = clgeti ("kb")
fm = fm_open (datafile, READ_WRITE)
lf = fm_fopen (fm, lfile, NEW_FILE, BINARY_FILE)
do i = 1, kb
iferr (call write (lf, buf, 1024/SZB_CHAR)) {
call erract (EA_WARN)
break
}
call close (lf)
call fm_close (fm)
end
# TYPE -- Print the contents of an lfile on the standard output.
procedure t_type()
pointer fm
int lfile, fd
char datafile[SZ_FNAME]
int clgeti(), fm_fopen()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
lfile = clgeti ("lfile")
fm = fm_open (datafile, READ_WRITE)
fd = fm_fopen (fm, lfile, READ_ONLY, TEXT_FILE)
call fcopyo (fd, STDOUT)
call close (fd)
call fm_close (fm)
end
# SHOW -- Print the datafile status.
procedure t_show()
pointer fm
char datafile[SZ_FNAME]
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
fm = fm_open (datafile, READ_WRITE)
call fm_debug (fm, STDOUT, FMD_ALL)
call fm_close (fm)
end
# COPY -- Copy a datafile.
procedure t_copy()
char df_src[SZ_FNAME]
char df_dst[SZ_FNAME]
begin
call clgstr ("source", df_src, SZ_FNAME)
call clgstr ("destination", df_dst, SZ_FNAME)
call fm_copy (df_src, df_dst)
end
# REBUILD -- Rebuild a datafile.
procedure t_rebuild()
char datafile[SZ_FNAME]
begin
call clgstr ("datafile", datafile, SZ_FNAME)
call fm_rebuild (datafile)
end
# Test the file cache package.
# -------------------------------
define GETFD 1
define RETFD 2
define LOCKOUT 3
define UNLOCK 4
define LOCKED 5
define SYNC 6
define DEBUG 7
#
define FCDEBUG 9
define PFILE 10
define BYE 11
define KEYWORDS "|getfd|retfd|lockout|unlock|locked|sync|debug|\
|fcdebug|pfile|bye|"
# FCACHE -- Test the file cache package.
procedure t_fcache()
pointer fm
int lfile, mode, type, fd
char datafile[SZ_FNAME], keyword[SZ_FNAME], junk[SZ_FNAME]
int strdic(), fscan(), fm_getfd()
bool fm_locked()
pointer fm_open()
begin
call clgstr ("datafile", datafile, SZ_FNAME)
fm = fm_open (datafile, READ_WRITE)
call printf ("* ")
call flush (STDOUT)
while (fscan (STDIN) != EOF) {
call gargwrd (keyword, SZ_FNAME)
if (IS_ALPHA(keyword[1]))
switch (strdic (keyword, junk, SZ_FNAME, KEYWORDS)) {
case GETFD:
call gargi (lfile)
call gargi (mode)
call gargi (type)
iferr (fd = fm_getfd (fm, lfile, mode, type))
call erract (EA_WARN)
else {
call printf ("fd = %d\n")
call pargi (fd)
}
case RETFD:
call gargi (lfile)
call fm_retfd (fm, lfile)
case LOCKOUT:
call gargi (lfile)
iferr (call fm_lockout (fm, lfile))
call erract (EA_WARN)
case UNLOCK:
call gargi (lfile)
iferr (call fm_unlock (fm, lfile))
call erract (EA_WARN)
case LOCKED:
call gargi (lfile)
call printf ("locked = %b\n")
call pargb (fm_locked (fm, lfile))
case SYNC:
call fm_fcsync (fm)
case DEBUG:
call fm_debug (fm, STDOUT, FMD_ALL)
case FCDEBUG:
call fm_fcdebug (fm, STDOUT, FCD_ALL)
case PFILE:
call gargi (lfile)
fd = fm_getfd (fm, lfile, READ_ONLY, TEXT_FILE)
iferr (call fcopyo (fd, STDOUT))
call erract (EA_WARN)
call fm_retfd (fm, lfile)
case BYE:
break
default:
call eprintf ("commands: %s\n")
call pargstr (KEYWORDS)
}
call printf ("* ")
call flush (STDOUT)
}
call fm_close (fm)
end
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