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ruanhaishen
redis
Commits
db7a5f23
Commit
db7a5f23
authored
Jan 31, 2018
by
antirez
Browse files
CG: RDB saving part 2, consumers.
parent
8fb6048e
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/rdb.c
View file @
db7a5f23
...
@@ -682,6 +682,44 @@ ssize_t rdbSaveStreamPEL(rio *rdb, rax *pel, int nacks) {
...
@@ -682,6 +682,44 @@ ssize_t rdbSaveStreamPEL(rio *rdb, rax *pel, int nacks) {
return
nwritten
;
return
nwritten
;
}
}
/* Serialize the consumers of a stream consumer group into the RDB. Helper
* function for the stream data type serialization. What we do here is to
* persist the consumer metadata, and it's PEL, for each consumer. */
size_t
rdbSaveStreamConsumers
(
rio
*
rdb
,
streamCG
*
cg
)
{
ssize_t
n
,
nwritten
=
0
;
/* Number of consumers in this consumer group. */
if
((
n
=
rdbSaveLen
(
rdb
,
raxSize
(
cg
->
consumers
)))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
/* Save each consumer. */
raxIterator
ri
;
raxStart
(
&
ri
,
cg
->
consumers
);
raxSeek
(
&
ri
,
"^"
,
NULL
,
0
);
while
(
raxNext
(
&
ri
))
{
streamConsumer
*
consumer
=
ri
.
data
;
/* Consumer name. */
if
((
n
=
rdbSaveRawString
(
rdb
,
ri
.
key
,
ri
.
key_len
))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
/* Last seen time. */
if
((
n
=
rdbSaveMillisecondTime
(
rdb
,
consumer
->
seen_time
))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
/* Consumer PEL, without the ACKs (see last parameter of the function
* passed with value of 0), at loading time we'll lookup the ID
* in the consumer group global PEL and will put a reference in the
* consumer local PEL. */
if
((
n
=
rdbSaveStreamPEL
(
rdb
,
consumer
->
pel
,
0
))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
}
raxStop
(
&
ri
);
return
nwritten
;
}
/* Save a Redis object.
/* Save a Redis object.
* Returns -1 on error, number of bytes written on success. */
* Returns -1 on error, number of bytes written on success. */
ssize_t
rdbSaveObject
(
rio
*
rdb
,
robj
*
o
)
{
ssize_t
rdbSaveObject
(
rio
*
rdb
,
robj
*
o
)
{
...
@@ -853,7 +891,7 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
...
@@ -853,7 +891,7 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
while
(
raxNext
(
&
ri
))
{
while
(
raxNext
(
&
ri
))
{
streamCG
*
cg
=
ri
.
data
;
streamCG
*
cg
=
ri
.
data
;
/* Save the
consumer
group name. */
/* Save the group name. */
if
((
n
=
rdbSaveRawString
(
rdb
,
ri
.
key
,
ri
.
key_len
))
==
-
1
)
return
-
1
;
if
((
n
=
rdbSaveRawString
(
rdb
,
ri
.
key
,
ri
.
key_len
))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
nwritten
+=
n
;
...
@@ -868,6 +906,8 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
...
@@ -868,6 +906,8 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
nwritten
+=
n
;
nwritten
+=
n
;
/* Save the consumers of this group. */
/* Save the consumers of this group. */
if
((
n
=
rdbSaveStreamPEL
(
rdb
,
cg
->
pel
,
1
))
==
-
1
)
return
-
1
;
nwritten
+=
n
;
}
}
raxStop
(
&
ri
);
raxStop
(
&
ri
);
}
else
if
(
o
->
type
==
OBJ_MODULE
)
{
}
else
if
(
o
->
type
==
OBJ_MODULE
)
{
...
...
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