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ruanhaishen
redis
Commits
45d64f22
Commit
45d64f22
authored
Jun 29, 2019
by
antirez
Browse files
Client side caching: fields and flags for tracking mode.
parent
a28d7918
Changes
2
Hide whitespace changes
Inline
Side-by-side
src/networking.c
View file @
45d64f22
...
...
@@ -158,6 +158,7 @@ client *createClient(int fd) {
c
->
pubsub_patterns
=
listCreate
();
c
->
peerid
=
NULL
;
c
->
client_list_node
=
NULL
;
c
->
client_tracking_redirection
=
0
;
listSetFreeMethod
(
c
->
pubsub_patterns
,
decrRefCountVoid
);
listSetMatchMethod
(
c
->
pubsub_patterns
,
listMatchObjects
);
if
(
fd
!=
-
1
)
linkClient
(
c
);
...
...
@@ -966,6 +967,9 @@ void unlinkClient(client *c) {
listDelNode
(
server
.
unblocked_clients
,
ln
);
c
->
flags
&=
~
CLIENT_UNBLOCKED
;
}
/* Clear the tracking status. */
if
(
c
->
flags
&
CLIENT_TRACKING
)
disableTracking
(
c
);
}
void
freeClient
(
client
*
c
)
{
...
...
@@ -1849,6 +1853,7 @@ sds catClientInfoString(sds s, client *client) {
if
(
client
->
flags
&
CLIENT_PUBSUB
)
*
p
++
=
'P'
;
if
(
client
->
flags
&
CLIENT_MULTI
)
*
p
++
=
'x'
;
if
(
client
->
flags
&
CLIENT_BLOCKED
)
*
p
++
=
'b'
;
if
(
client
->
flags
&
CLIENT_TRACKING
)
*
p
++
=
't'
;
if
(
client
->
flags
&
CLIENT_DIRTY_CAS
)
*
p
++
=
'd'
;
if
(
client
->
flags
&
CLIENT_CLOSE_AFTER_REPLY
)
*
p
++
=
'c'
;
if
(
client
->
flags
&
CLIENT_UNBLOCKED
)
*
p
++
=
'u'
;
...
...
src/server.h
View file @
45d64f22
...
...
@@ -254,8 +254,8 @@ typedef long long mstime_t; /* millisecond time type. */
#define AOF_WAIT_REWRITE 2
/* AOF waits rewrite to start appending */
/* Client flags */
#define CLIENT_SLAVE (1<<0)
/* This client is a
slave server
*/
#define CLIENT_MASTER (1<<1)
/* This client is a master
server
*/
#define CLIENT_SLAVE (1<<0)
/* This client is a
repliaca
*/
#define CLIENT_MASTER (1<<1)
/* This client is a master */
#define CLIENT_MONITOR (1<<2)
/* This client is a slave monitor, see MONITOR */
#define CLIENT_MULTI (1<<3)
/* This client is in a MULTI context */
#define CLIENT_BLOCKED (1<<4)
/* The client is waiting in a blocking operation */
...
...
@@ -289,7 +289,12 @@ typedef long long mstime_t; /* millisecond time type. */
#define CLIENT_PENDING_READ (1<<29)
/* The client has pending reads and was put
in the list of clients we can read
from. */
#define CLIENT_PENDING_COMMAND (1<<30)
/* */
#define CLIENT_PENDING_COMMAND (1<<30)
/* Used in threaded I/O to signal after
we return single threaded that the
client has already pending commands
to be executed. */
#define CLIENT_TRACKING (1<<31)
/* Client enabled keys tracking in order to
perform client side caching. */
/* Client block type (btype field in client structure)
* if CLIENT_BLOCKED flag is set. */
...
...
@@ -845,6 +850,11 @@ typedef struct client {
sds
peerid
;
/* Cached peer ID. */
listNode
*
client_list_node
;
/* list node in client list */
/* If this client is in tracking mode and this field is non zero,
* invalidation messages for keys fetched by this client will be send to
* the specified client ID. */
uint64_t
client_tracking_redirection
;
/* Response buffer */
int
bufpos
;
char
buf
[
PROTO_REPLY_CHUNK_BYTES
];
...
...
@@ -1286,6 +1296,8 @@ struct redisServer {
unsigned
int
blocked_clients_by_type
[
BLOCKED_NUM
];
list
*
unblocked_clients
;
/* list of clients to unblock before next loop */
list
*
ready_keys
;
/* List of readyList structures for BLPOP & co */
/* Client side caching. */
unsigned
int
tracking_clients
;
/* # of clients with tracking enabled.*/
/* Sort parameters - qsort_r() is only available under BSD so we
* have to take this state global, in order to pass it to sortCompare() */
int
sort_desc
;
...
...
@@ -1602,6 +1614,9 @@ void addReplyErrorFormat(client *c, const char *fmt, ...);
void
addReplyStatusFormat
(
client
*
c
,
const
char
*
fmt
,
...);
#endif
/* Client side caching (tracking mode) */
void
disableTracking
(
client
*
c
);
/* List data type */
void
listTypeTryConversion
(
robj
*
subject
,
robj
*
value
);
void
listTypePush
(
robj
*
subject
,
robj
*
value
,
int
where
);
...
...
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