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include <mach.h>
include <fset.h>
include <pkg/cq.h>
define DEF_SZPARS 15
define DEF_SZBUF 28800
# T_ADUMPIM -- Image survey access debugging routines.
procedure t_adumpim()
pointer sp, imsurvey, output, ra, dec, size, imdb, query, buf, str
pointer qpname, qpvalue, qpunits, qpformats, cq
int i, fd, ofd, nqpars, parno, nchars
bool done
pointer cq_map()
int cq_setcat(), ndopen(), open(), cq_nqpars(), cq_gqparn(), strlen()
int getline(), read()
bool streq()
errchk cq_fgeti()
begin
# Allocate some working space.
call smark (sp)
call salloc (imsurvey, SZ_FNAME, TY_CHAR)
call salloc (output, SZ_FNAME, TY_CHAR)
call salloc (imdb, SZ_FNAME, TY_CHAR)
call salloc (ra, DEF_SZPARS, TY_CHAR)
call salloc (dec, DEF_SZPARS, TY_CHAR)
call salloc (size, DEF_SZPARS, TY_CHAR)
call salloc (query, SZ_LINE, TY_CHAR)
call salloc (qpname, CQ_SZ_QPNAME, TY_CHAR)
call salloc (qpvalue, CQ_SZ_QPVALUE, TY_CHAR)
call salloc (qpunits, CQ_SZ_QPUNITS, TY_CHAR)
call salloc (qpformats, CQ_SZ_QPFMTS, TY_CHAR)
call salloc (buf, 2*DEF_SZBUF, TY_CHAR)
call salloc (str, SZ_LINE, TY_CHAR)
# Get the parameters.
call clgstr ("imsurvey", Memc[imsurvey], SZ_FNAME)
call clgstr ("output", Memc[output], SZ_FNAME)
call clgstr ("ra", Memc[ra], DEF_SZPARS)
call clgstr ("dec", Memc[dec], DEF_SZPARS)
call clgstr ("size", Memc[size], DEF_SZPARS)
call clgstr ("imdb", Memc[imdb], SZ_FNAME)
# Map the image surfvey configuration file.
cq = cq_map (Memc[imdb], READ_ONLY)
if (cq == NULL) {
call eprintf ("Cannot open image survey configuration file %s\n")
call pargstr (Memc[imdb])
call sfree (sp)
return
}
# Locate the image survey record.
if (cq_setcat (cq, Memc[imsurvey]) <= 0) {
call eprintf ("Cannot locate image survey record %s\n")
call pargstr (Memc[imsurvey])
call cq_unmap (cq)
call sfree (sp)
return
}
# Connect to the HTTP server.
call cq_fgwrd (cq, "address", Memc[str], SZ_LINE)
iferr (fd = ndopen (Memc[str], READ_WRITE)) {
call eprintf ("Cannot access image server %s at host %s\n")
call pargstr (Memc[imsurvey])
call pargstr (Memc[str])
call cq_unmap (cq)
call sfree (sp)
return
}
# Open the output file.
#ofd = open (Memc[output], NEW_FILE, BINARY_FILE)
ofd = open (Memc[output], NEW_FILE, TEXT_FILE)
# Format the query without worrying about coordinate systems,
# or formats. Just assume that the user types in ra, dec, and
# size in the form expected by the server.
call cq_fgstr (cq, "query", Memc[query], SZ_LINE)
nqpars = cq_nqpars (cq)
call sprintf (Memc[str], SZ_LINE, Memc[query])
do i = 1, nqpars {
# Get description of each query parameter.
parno = cq_gqparn (cq, i, Memc[qpname], CQ_SZ_QPNAME,
Memc[qpvalue], CQ_SZ_QPVALUE, Memc[qpunits], CQ_SZ_QPUNITS,
Memc[qpformats], CQ_SZ_QPFMTS)
# Pass the parameters to the query string.
if (streq (Memc[qpname], "ra")) {
call pargstr (Memc[ra])
} else if (streq (Memc[qpname], "dec")) {
call pargstr (Memc[dec])
} else if (streq (Memc[qpname], "width")) {
call pargstr (Memc[size])
} else if (streq (Memc[qpname], "xwidth")) {
call pargstr (Memc[size])
} else if (streq (Memc[qpname], "ywidth")) {
call pargstr (Memc[size])
} else if (streq (Memc[qpname], "radius")) {
call pargstr (Memc[size])
} else {
call pargstr (Memc[qpvalue])
}
}
# Send the query. Note that since the communication mode and output
# file type are binary the command must be converted from IRAF chars
# type byte chars. Leave as text for now since it works for FITS
# files.
nchars = strlen (Memc[str])
#call chrpak (Memc[str], 1, Memc[str], 1, nchars)
#call awriteb (fd, Memc[str], nchars, 1)
#nread = awaitb (fd)
call write (fd, Memc[str], nchars)
call flush (fd)
call fseti (fd, F_CANCEL, OK)
# Read the reply. Skip the HTTP header assuming it ends with a \n or
# a \r\n.
call cq_fgstr (cq, "protocol", Memc[str], SZ_LINE)
if (streq (Memc[str], "http")) {
repeat {
nchars = getline (fd, Memc[buf])
if (nchars <= 0)
break
Memc[buf+nchars] = EOS
} until ((Memc[buf] == '\r' && Memc[buf+1] == '\n') ||
(Memc[buf] == '\n'))
}
repeat {
nchars = read (fd, Memc[buf], DEF_SZBUF)
if (nchars > 0) {
Memc[buf+nchars] = EOS
call write (ofd, Memc[buf], nchars)
done = false
} else {
done =true
}
} until (done)
call flush (ofd)
# Close the output image.
call close (ofd)
# Close the network connection.
call close (fd)
# Unmap the database.
call cq_unmap (cq)
call sfree (sp)
end
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