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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "fmset.h"
include "fmio.h"
# FM_DEBUG -- Print debug info on the contents of a datafile.
#
# Flags:
# FMD_HEADER general header parameters
# FMD_FTABLE summarize file table contents
# FMD_PTINDEX print page table index
# FMD_PTABLE print page table
# FMD_ALL print everything
procedure fm_debug (fm, out, what)
pointer fm #I FMIO descriptor
int out #I output file
int what #I what to print
pointer ft, lf
bool deleted
int nlfiles, nlfdeleted, nlfinuse, i
int szbpage, spaceinuse, filesize, freespace
long clktime()
errchk fmio_bind
define end_header_ 91
define end_ftable_ 92
define end_ptindex_ 93
define end_ptable_ 94
begin
call fmio_bind (fm)
ft = FM_FTABLE(fm)
nlfiles = FM_NLFILES(fm)
szbpage = FM_SZBPAGE(fm)
# Print header and summary information?
if (and (what, FMD_HEADER) == 0)
goto end_header_
# Scan the file table and compute some important statistics.
spaceinuse = 0
nlfdeleted = 0
nlfinuse = 0
do i = 0, nlfiles {
lf = ft + i * LEN_FTE
deleted = (and (LF_FLAGS(lf), LFF_DELETED) != 0)
if (deleted)
nlfdeleted = nlfdeleted + 1
if (!deleted) {
if (LF_FSIZE(lf) > 0)
spaceinuse = spaceinuse + LF_FSIZE(lf)
if (and (LF_FLAGS(lf), LFF_ALLOCATED) != 0)
nlfinuse = nlfinuse + 1
}
}
filesize = FM_PTNPTE(fm) * szbpage + FM_DATASTART(fm) - 1
freespace = max (0, filesize - spaceinuse - (FM_DATASTART(fm)-1))
call fprintf (out,
"FMIO V%d.%d: datafile=%s, pagesize=%d, nlfiles=%d\n")
call pargi (FM_DFVERSION(fm) / 100)
call pargi (mod(FM_DFVERSION(fm),100))
call pargstr (FM_DFNAME(fm))
call pargi (szbpage)
call pargi (nlfiles)
call fprintf (out,
"nlfinuse=%d, nlfdeleted=%d, nlffree=%d, ftoff=%d, ftlastnf=%d\n")
call pargi (nlfinuse)
call pargi (nlfdeleted)
call pargi (nlfiles - nlfinuse)
call pargi (FM_FTOFF(fm))
call pargi (FM_FTLASTNF(fm))
call fprintf (out,
"headersize=%d, filesize=%d, freespace=%d bytes (%d%%)\n")
call pargi (FM_DATASTART(fm) - 1)
call pargi (filesize)
call pargi (freespace)
if (freespace <= 0)
call pargi (0)
else
call pargi (freespace * 100 / filesize)
call fprintf (out,
"fm=%xX, chan=%d, mode=%d, time since last sync=%d seconds\n")
call pargi (fm)
call pargi (FM_CHAN(fm))
call pargi (FM_MODE(fm))
call pargi (clktime (FM_LSYNCTIME(fm)))
call fprintf (out,
"datastart=%d, devblksize=%d, optbufsize=%d, maxbufsize=%d\n")
call pargi (FM_DATASTART(fm))
call pargi (FM_DEVBLKSIZE(fm))
call pargi (FM_OPTBUFSIZE(fm))
call pargi (FM_MAXBUFSIZE(fm))
call fprintf (out, "ptioff=%d, ptilen=%d, npti=%d, ")
call pargi (FM_PTIOFF(fm))
call pargi (FM_PTILEN(fm))
call pargi (FM_PTINPTI(fm))
call fprintf (out, "ptlen=%d, npte=%d, lupte=%d\n")
call pargi (FM_PTLEN(fm))
call pargi (FM_PTNPTE(fm))
call pargi (FM_PTLUPTE(fm))
end_header_
# Print file table?
if (and (what, FMD_FTABLE) == 0)
goto end_ftable_
call fprintf (out,
"====================== file table =======================\n")
do i = 0, nlfiles {
lf = ft + i * LEN_FTE
if (LF_FSIZE(lf) == 0)
next
call fprintf (out, " %4d size=%d")
call pargi (i)
call pargi (LF_FSIZE(lf))
if (i == 0)
call fprintf (out, " [page table]")
if (LF_PAGEMAP(lf) != NULL) {
call fprintf (out, " npages=%d pmlen=%d")
call pargi (LF_NPAGES(lf))
call pargi (LF_PMLEN(lf))
}
if (and (LF_FLAGS(lf), LFF_ALLOCATED) != 0)
call fprintf (out, " allocated")
if (and (LF_FLAGS(lf), LFF_DELETED) != 0)
call fprintf (out, " deleted")
if (and (LF_FLAGS(lf), LFF_TEXTFILE) != 0)
call fprintf (out, " textfile")
call fprintf (out, "\n")
}
end_ftable_
# Print page table index?
if (and (what, FMD_PTINDEX) == 0)
goto end_ptindex_
call fprintf (out,
"=================== page table index ====================\n")
do i = 0, FM_PTINPTI(fm) - 1 {
call fprintf (out, " %4d")
call pargi (Memi[FM_PTINDEX(fm)+i])
if (mod (i+1, 15) == 0)
call fprintf (out, "\n")
}
if (mod (FM_PTINPTI(fm), 15) != 0)
call fprintf (out, "\n")
end_ptindex_
# Print page table?
if (and (what, FMD_PTABLE) == 0)
goto end_ptable_
call fprintf (out,
"====================== page table =======================\n")
do i = 0, FM_PTNPTE(fm) - 1 {
call fprintf (out, " %4d")
call pargs (Mems[FM_PTABLE(fm)+i])
if (mod (i+1, 15) == 0)
call fprintf (out, "\n")
}
if (mod (FM_PTINPTI(fm), 15) != 0)
call fprintf (out, "\n")
end_ptable_
call flush (out)
end
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