* Sebastian Hammer, Adam Dickmeiss
*
* $Log: retrieve.c,v $
- * Revision 1.12 2000-03-15 15:00:30 adam
+ * Revision 1.13 2000-03-20 19:08:36 adam
+ * Added remote record import using Z39.50 extended services and Segment
+ * Requests.
+ *
+ * Revision 1.12 2000/03/15 15:00:30 adam
* First work on threaded version.
*
* Revision 1.11 1999/10/29 10:00:00 adam
#include "zebrasdr.h"
#endif
-struct fetch_control {
- int record_offset;
- int record_int_pos;
- char *record_int_buf;
- int record_int_len;
- int fd;
-};
-
-static int record_ext_read (void *fh, char *buf, size_t count)
+int zebra_record_ext_read (void *fh, char *buf, size_t count)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
return read (fc->fd, buf, count);
}
-static off_t record_ext_seek (void *fh, off_t offset)
+off_t zebra_record_ext_seek (void *fh, off_t offset)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
return lseek (fc->fd, offset + fc->record_offset, SEEK_SET);
}
-static off_t record_ext_tell (void *fh)
+off_t zebra_record_ext_tell (void *fh)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
return lseek (fc->fd, 0, SEEK_CUR) - fc->record_offset;
}
-static off_t record_int_seek (void *fh, off_t offset)
+off_t zebra_record_int_seek (void *fh, off_t offset)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
return (off_t) (fc->record_int_pos = offset);
}
-static off_t record_int_tell (void *fh)
+off_t zebra_record_int_tell (void *fh)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
return (off_t) fc->record_int_pos;
}
-static int record_int_read (void *fh, char *buf, size_t count)
+int zebra_record_int_read (void *fh, char *buf, size_t count)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
int l = fc->record_int_len - fc->record_int_pos;
if (l <= 0)
return 0;
return l;
}
+void zebra_record_int_end (void *fh, off_t off)
+{
+ struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh;
+ fc->offset_end = off;
+}
+
int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream,
oid_value input_format, Z_RecordComposition *comp,
oid_value *output_format, char **rec_bufp,
RecType rt;
struct recRetrieveCtrl retrieveCtrl;
char subType[128];
- struct fetch_control fc;
+ struct zebra_fetch_control fc;
RecordAttr *recordAttr;
void *clientData;
fc.fd = -1;
if (rec->size[recInfo_storeData] > 0)
{
- retrieveCtrl.readf = record_int_read;
- retrieveCtrl.seekf = record_int_seek;
- retrieveCtrl.tellf = record_int_tell;
+ retrieveCtrl.readf = zebra_record_int_read;
+ retrieveCtrl.seekf = zebra_record_int_seek;
+ retrieveCtrl.tellf = zebra_record_int_tell;
fc.record_int_len = rec->size[recInfo_storeData];
fc.record_int_buf = rec->info[recInfo_storeData];
fc.record_int_pos = 0;
logf (LOG_DEBUG, "Internal retrieve. %d bytes", fc.record_int_len);
}
-#if ZEBRASDR
- else if (*fname == '%')
- {
- ZebraSdrHandle h;
- int segment = 0, r;
- char *cp, xname[128];
- unsigned char *buf;
-
- logf (LOG_DEBUG, "SDR");
- strcpy (xname, fname+1);
- if ((cp = strrchr (xname, '.')))
- {
- *cp++ = 0;
- segment = atoi(cp);
- }
- h = zebraSdr_open (xname);
- if (!h)
- {
- logf (LOG_WARN, "sdr open %s", xname);
- return 0;
- }
- if (zebraSdr_segment (h, &segment) < 0)
- {
- logf (LOG_WARN, "zebraSdr_segment fail segment=%d",
- segment);
- rec_rm (&rec);
- return 14;
- }
- r = zebraSdr_read (h, &buf);
- if (r < 1)
- {
- logf (LOG_WARN, "zebraSdr_read fail segment=%d",
- segment);
- rec_rm (&rec);
- return 14;
- }
- zebraSdr_close (h);
-
- fc.record_int_len = recordAttr->recordSize;
- fc.record_int_buf = buf + recordAttr->recordOffset;
- fc.record_int_pos = 0;
-
- logf (LOG_LOG, "segment = %d len=%d off=%d",
- segment,
- recordAttr->recordSize,
- recordAttr->recordOffset);
- if (fc.record_int_len > 180)
- {
- logf (LOG_LOG, "%.70s", fc.record_int_buf);
- logf (LOG_LOG, "%.70s", fc.record_int_buf +
- (fc.record_int_len - 70));
- }
- else
- logf (LOG_LOG, "%.*s",
- fc.record_int_len, fc.record_int_buf);
-
- /* the following two lines makes rec_rm delete buf */
- rec->size[recInfo_storeData] = r;
- rec->info[recInfo_storeData] = buf;
-
- retrieveCtrl.readf = record_int_read;
- retrieveCtrl.seekf = record_int_seek;
- retrieveCtrl.tellf = record_int_tell;
- }
-#endif
else
{
if ((fc.fd = open (fname, O_BINARY|O_RDONLY)) == -1)
}
fc.record_offset = recordAttr->recordOffset;
- retrieveCtrl.readf = record_ext_read;
- retrieveCtrl.seekf = record_ext_seek;
- retrieveCtrl.tellf = record_ext_tell;
+ retrieveCtrl.readf = zebra_record_ext_read;
+ retrieveCtrl.seekf = zebra_record_ext_seek;
+ retrieveCtrl.tellf = zebra_record_ext_tell;
- record_ext_seek (retrieveCtrl.fh, 0);
+ zebra_record_ext_seek (retrieveCtrl.fh, 0);
}
retrieveCtrl.subType = subType;
retrieveCtrl.localno = sysno;
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