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memcached: generate SHA1 for records and store blob once
author
Adam Dickmeiss
<adam@indexdata.dk>
Tue, 4 Feb 2014 11:32:16 +0000
(12:32 +0100)
committer
Adam Dickmeiss
<adam@indexdata.dk>
Tue, 4 Feb 2014 11:32:16 +0000
(12:32 +0100)
src/zoom-memcached.c
patch
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diff --git
a/src/zoom-memcached.c
b/src/zoom-memcached.c
index
e2cd76e
..
d92758e
100644
(file)
--- a/
src/zoom-memcached.c
+++ b/
src/zoom-memcached.c
@@
-189,6
+189,7
@@
void ZOOM_memcached_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
!diag && npr->which == Z_NamePlusRecord_databaseRecord)
{
WRBUF k = wrbuf_alloc();
!diag && npr->which == Z_NamePlusRecord_databaseRecord)
{
WRBUF k = wrbuf_alloc();
+ WRBUF rec_sha1 = wrbuf_alloc();
uint32_t flags = 0;
memcached_return_t rc;
time_t expiration = 36000;
uint32_t flags = 0;
memcached_return_t rc;
time_t expiration = 36000;
@@
-204,16
+205,30
@@
void ZOOM_memcached_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
syntax ? syntax : "",
elementSetName ? elementSetName : "",
schema ? schema : "");
syntax ? syntax : "",
elementSetName ? elementSetName : "",
schema ? schema : "");
+
+ wrbuf_sha1_write(rec_sha1, rec_buf, rec_len, 1);
+
rc = memcached_set(r->connection->mc_st,
rc = memcached_set(r->connection->mc_st,
- wrbuf_buf(k),wrbuf_len(k),
+ wrbuf_buf(k), wrbuf_len(k),
+ wrbuf_buf(rec_sha1), wrbuf_len(rec_sha1),
+ expiration, flags);
+
+ yaz_log(YLOG_LOG, "Store record key=%s val=%s rc=%u %s",
+ wrbuf_cstr(k), wrbuf_cstr(rec_sha1), (unsigned) rc,
+ memcached_last_error_message(r->connection->mc_st));
+
+ rc = memcached_add(r->connection->mc_st,
+ wrbuf_buf(rec_sha1), wrbuf_len(rec_sha1),
rec_buf, rec_len,
expiration, flags);
rec_buf, rec_len,
expiration, flags);
- yaz_log(YLOG_LOG, "Store record lkey=%s len=%d rc=%u %s",
- wrbuf_cstr(k), rec_len, (unsigned) rc,
+ yaz_log(YLOG_LOG, "Add record key=%s rec_len=%d rc=%u %s",
+ wrbuf_cstr(rec_sha1), rec_len, (unsigned) rc,
memcached_last_error_message(r->connection->mc_st));
memcached_last_error_message(r->connection->mc_st));
+
odr_destroy(odr);
wrbuf_destroy(k);
odr_destroy(odr);
wrbuf_destroy(k);
+ wrbuf_destroy(rec_sha1);
}
#endif
}
}
#endif
}
@@
-227,8
+242,8
@@
Z_NamePlusRecord *ZOOM_memcached_lookup(ZOOM_resultset r, int pos,
if (r->connection && r->connection->mc_st)
{
WRBUF k = wrbuf_alloc();
if (r->connection && r->connection->mc_st)
{
WRBUF k = wrbuf_alloc();
- size_t v_len;
- char *v_buf;
+ char *sha1_buf;
+ size_t sha1_len;
uint32_t flags;
memcached_return_t rc;
uint32_t flags;
memcached_return_t rc;
@@
-239,19
+254,31
@@
Z_NamePlusRecord *ZOOM_memcached_lookup(ZOOM_resultset r, int pos,
schema ? schema : "");
yaz_log(YLOG_LOG, "Lookup record %s", wrbuf_cstr(k));
schema ? schema : "");
yaz_log(YLOG_LOG, "Lookup record %s", wrbuf_cstr(k));
- v_buf = memcached_get(r->connection->mc_st, wrbuf_buf(k), wrbuf_len(k),
- &v_len, &flags, &rc);
+ sha1_buf = memcached_get(r->connection->mc_st,
+ wrbuf_buf(k), wrbuf_len(k),
+ &sha1_len, &flags, &rc);
+
wrbuf_destroy(k);
wrbuf_destroy(k);
- if (v_buf)
+ if (sha1_buf)
{
{
- Z_NamePlusRecord *npr = 0;
+ size_t v_len;
+ char *v_buf;
- odr_setbuf(r->odr, v_buf, v_len, 0);
- z_NamePlusRecord(r->odr, &npr, 0, 0);
- free(v_buf);
- if (npr)
- yaz_log(YLOG_LOG, "returned memcached copy");
- return npr;
+ yaz_log(YLOG_LOG, "Lookup record %.*s", (int) sha1_len, sha1_buf);
+ v_buf = memcached_get(r->connection->mc_st, sha1_buf, sha1_len,
+ &v_len, &flags, &rc);
+ free(sha1_buf);
+ if (v_buf)
+ {
+ Z_NamePlusRecord *npr = 0;
+
+ odr_setbuf(r->odr, v_buf, v_len, 0);
+ z_NamePlusRecord(r->odr, &npr, 0, 0);
+ free(v_buf);
+ if (npr)
+ yaz_log(YLOG_LOG, "returned memcached copy");
+ return npr;
+ }
}
}
#endif
}
}
#endif