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ruanhaishen
redis
Commits
e27b9b1c
Commit
e27b9b1c
authored
Feb 01, 2016
by
antirez
Browse files
Merge branch 'cluster-docker' into unstable
parents
cdbe8a6a
d0a8512e
Changes
5
Hide whitespace changes
Inline
Side-by-side
src/cluster.c
View file @
e27b9b1c
...
...
@@ -168,7 +168,13 @@ int clusterLoadConfig(char *filename) {
if
((
p
=
strrchr
(
argv
[
1
],
':'
))
==
NULL
)
goto
fmterr
;
*
p
=
'\0'
;
memcpy
(
n
->
ip
,
argv
[
1
],
strlen
(
argv
[
1
])
+
1
);
this_is_broken
();
char
*
busp
=
strchr
(
p
+
1
,
':'
);
if
(
busp
)
*
busp
=
'\0'
;
n
->
port
=
atoi
(
p
+
1
);
/* In older versions of nodes.conf the bus port is missing. In this case
* we set it to the default offset of 10000 from the base port. */
n
->
cport
=
busp
?
atoi
(
busp
+
1
)
:
n
->
port
+
CLUSTER_PORT_INCR
;
/* Parse flags */
p
=
s
=
argv
[
2
];
...
...
@@ -469,9 +475,14 @@ void clusterInit(void) {
/* The slots -> keys map is a sorted set. Init it. */
server
.
cluster
->
slots_to_keys
=
zslCreate
();
/* Set myself->port to my listening port, we'll just need to
discover
* the IP address via MEET messages. */
/* Set myself->port
/ cport
to my listening port
s
, we'll just need to
*
discover
the IP address via MEET messages. */
myself
->
port
=
server
.
port
;
myself
->
cport
=
server
.
port
+
CLUSTER_PORT_INCR
;
if
(
server
.
cluster_announce_port
)
myself
->
port
=
server
.
cluster_announce_port
;
if
(
server
.
cluster_announce_bus_port
)
myself
->
cport
=
server
.
cluster_announce_bus_port
;
server
.
cluster
->
mf_end
=
0
;
resetManualFailover
();
...
...
@@ -670,6 +681,7 @@ clusterNode *createClusterNode(char *nodename, int flags) {
node
->
link
=
NULL
;
memset
(
node
->
ip
,
0
,
sizeof
(
node
->
ip
));
node
->
port
=
0
;
node
->
cport
=
0
;
node
->
fail_reports
=
listCreate
();
node
->
voted_time
=
0
;
node
->
orphaned_time
=
0
;
...
...
@@ -1212,7 +1224,7 @@ void clearNodeFailureIfNeeded(clusterNode *node) {
/* Return true if we already have a node in HANDSHAKE state matching the
* specified ip address and port number. This function is used in order to
* avoid adding a new handshake node for the same address multiple times. */
int
clusterHandshakeInProgress
(
char
*
ip
,
int
port
)
{
int
clusterHandshakeInProgress
(
char
*
ip
,
int
port
,
int
cport
)
{
dictIterator
*
di
;
dictEntry
*
de
;
...
...
@@ -1221,7 +1233,9 @@ int clusterHandshakeInProgress(char *ip, int port) {
clusterNode
*
node
=
dictGetVal
(
de
);
if
(
!
nodeInHandshake
(
node
))
continue
;
if
(
!
strcasecmp
(
node
->
ip
,
ip
)
&&
node
->
port
==
port
)
break
;
if
(
!
strcasecmp
(
node
->
ip
,
ip
)
&&
node
->
port
==
port
&&
node
->
cport
==
cport
)
break
;
}
dictReleaseIterator
(
di
);
return
de
!=
NULL
;
...
...
@@ -1234,7 +1248,7 @@ int clusterHandshakeInProgress(char *ip, int port) {
*
* EAGAIN - There is already an handshake in progress for this address.
* EINVAL - IP or port are not valid. */
int
clusterStartHandshake
(
char
*
ip
,
int
port
)
{
int
clusterStartHandshake
(
char
*
ip
,
int
port
,
int
cport
)
{
clusterNode
*
n
;
char
norm_ip
[
NET_IP_STR_LEN
];
struct
sockaddr_storage
sa
;
...
...
@@ -1254,7 +1268,7 @@ int clusterStartHandshake(char *ip, int port) {
}
/* Port sanity check */
if
(
port
<=
0
||
port
>
(
65535
-
CLUSTER_PORT_INCR
)
)
{
if
(
port
<=
0
||
port
>
65535
||
cport
<=
0
||
cport
>
65535
)
{
errno
=
EINVAL
;
return
0
;
}
...
...
@@ -1271,7 +1285,7 @@ int clusterStartHandshake(char *ip, int port) {
(
void
*
)
&
(((
struct
sockaddr_in6
*
)
&
sa
)
->
sin6_addr
),
norm_ip
,
NET_IP_STR_LEN
);
if
(
clusterHandshakeInProgress
(
norm_ip
,
port
))
{
if
(
clusterHandshakeInProgress
(
norm_ip
,
port
,
cport
))
{
errno
=
EAGAIN
;
return
0
;
}
...
...
@@ -1282,6 +1296,7 @@ int clusterStartHandshake(char *ip, int port) {
n
=
createClusterNode
(
NULL
,
CLUSTER_NODE_HANDSHAKE
|
CLUSTER_NODE_MEET
);
memcpy
(
n
->
ip
,
norm_ip
,
sizeof
(
n
->
ip
));
n
->
port
=
port
;
n
->
cport
=
cport
;
clusterAddNode
(
n
);
return
1
;
}
...
...
@@ -1301,10 +1316,11 @@ void clusterProcessGossipSection(clusterMsg *hdr, clusterLink *link) {
sds
ci
;
ci
=
representClusterNodeFlags
(
sdsempty
(),
flags
);
serverLog
(
LL_DEBUG
,
"GOSSIP %.40s %s:%d %s"
,
serverLog
(
LL_DEBUG
,
"GOSSIP %.40s %s:%d
:%d
%s"
,
g
->
nodename
,
g
->
ip
,
ntohs
(
g
->
port
),
ntohs
(
g
->
cport
),
ci
);
sdsfree
(
ci
);
...
...
@@ -1338,11 +1354,14 @@ void clusterProcessGossipSection(clusterMsg *hdr, clusterLink *link) {
if
(
node
->
flags
&
(
CLUSTER_NODE_FAIL
|
CLUSTER_NODE_PFAIL
)
&&
!
(
flags
&
CLUSTER_NODE_NOADDR
)
&&
!
(
flags
&
(
CLUSTER_NODE_FAIL
|
CLUSTER_NODE_PFAIL
))
&&
(
strcasecmp
(
node
->
ip
,
g
->
ip
)
||
node
->
port
!=
ntohs
(
g
->
port
)))
(
strcasecmp
(
node
->
ip
,
g
->
ip
)
||
node
->
port
!=
ntohs
(
g
->
port
)
||
node
->
cport
!=
ntohs
(
g
->
cport
)))
{
if
(
node
->
link
)
freeClusterLink
(
node
->
link
);
memcpy
(
node
->
ip
,
g
->
ip
,
NET_IP_STR_LEN
);
node
->
port
=
ntohs
(
g
->
port
);
node
->
cport
=
ntohs
(
g
->
cport
);
node
->
flags
&=
~
CLUSTER_NODE_NOADDR
;
}
}
else
{
...
...
@@ -1356,7 +1375,7 @@ void clusterProcessGossipSection(clusterMsg *hdr, clusterLink *link) {
!
(
flags
&
CLUSTER_NODE_NOADDR
)
&&
!
clusterBlacklistExists
(
g
->
nodename
))
{
clusterStartHandshake
(
g
->
ip
,
ntohs
(
g
->
port
));
clusterStartHandshake
(
g
->
ip
,
ntohs
(
g
->
port
)
,
ntohs
(
g
->
cport
)
);
}
}
...
...
@@ -1365,23 +1384,36 @@ void clusterProcessGossipSection(clusterMsg *hdr, clusterLink *link) {
}
}
/* IP -> string conversion. 'buf' is supposed to at least be 46 bytes. */
void
nodeIp2String
(
char
*
buf
,
clusterLink
*
link
)
{
anetPeerToString
(
link
->
fd
,
buf
,
NET_IP_STR_LEN
,
NULL
);
/* IP -> string conversion. 'buf' is supposed to at least be 46 bytes.
* If 'announced_ip' length is non-zero, it is used instead of extracting
* the IP from the socket peer address. */
void
nodeIp2String
(
char
*
buf
,
clusterLink
*
link
,
char
*
announced_ip
)
{
if
(
announced_ip
[
0
]
!=
'\0'
)
{
memcpy
(
buf
,
announced_ip
,
NET_IP_STR_LEN
);
buf
[
NET_IP_STR_LEN
-
1
]
=
'\0'
;
/* We are not sure the input is sane. */
}
else
{
anetPeerToString
(
link
->
fd
,
buf
,
NET_IP_STR_LEN
,
NULL
);
}
}
/* Update the node address to the IP address that can be extracted
* from link->fd, and at the specified port.
* Also disconnect the node link so that we'll connect again to the new
* address.
* from link->fd, or if hdr->myip is non empty, to the address the node
* is announcing us. The port is taken from the packet header as well.
*
* If the address or port changed, disconnect the node link so that we'll
* connect again to the new address.
*
* If the ip/port pair are already correct no operation is performed at
* all.
*
* The function returns 0 if the node address is still the same,
* otherwise 1 is returned. */
int
nodeUpdateAddressIfNeeded
(
clusterNode
*
node
,
clusterLink
*
link
,
int
port
)
{
int
nodeUpdateAddressIfNeeded
(
clusterNode
*
node
,
clusterLink
*
link
,
clusterMsg
*
hdr
)
{
char
ip
[
NET_IP_STR_LEN
]
=
{
0
};
int
port
=
ntohs
(
hdr
->
port
);
int
cport
=
ntohs
(
hdr
->
cport
);
/* We don't proceed if the link is the same as the sender link, as this
* function is designed to see if the node link is consistent with the
...
...
@@ -1391,12 +1423,14 @@ int nodeUpdateAddressIfNeeded(clusterNode *node, clusterLink *link, int port) {
* it is safe to call during packet processing. */
if
(
link
==
node
->
link
)
return
0
;
nodeIp2String
(
ip
,
link
);
if
(
node
->
port
==
port
&&
strcmp
(
ip
,
node
->
ip
)
==
0
)
return
0
;
nodeIp2String
(
ip
,
link
,
hdr
->
myip
);
if
(
node
->
port
==
port
&&
node
->
cport
==
cport
&&
strcmp
(
ip
,
node
->
ip
)
==
0
)
return
0
;
/* IP / port is different, update it. */
memcpy
(
node
->
ip
,
ip
,
sizeof
(
ip
));
node
->
port
=
port
;
node
->
cport
=
cport
;
if
(
node
->
link
)
freeClusterLink
(
node
->
link
);
node
->
flags
&=
~
CLUSTER_NODE_NOADDR
;
serverLog
(
LL_WARNING
,
"Address updated for node %.40s, now %s:%d"
,
...
...
@@ -1635,7 +1669,7 @@ int clusterProcessPacket(clusterLink *link) {
/* We use incoming MEET messages in order to set the address
* for 'myself', since only other cluster nodes will send us
* MEET messag
s
es on handshakes, when the cluster joins, or
* MEET messages on handshakes, when the cluster joins, or
* later if we changed address, and those nodes will use our
* official address to connect to us. So by obtaining this address
* from the socket is a simple way to discover / update our own
...
...
@@ -1644,7 +1678,9 @@ int clusterProcessPacket(clusterLink *link) {
* However if we don't have an address at all, we update the address
* even with a normal PING packet. If it's wrong it will be fixed
* by MEET later. */
if
(
type
==
CLUSTERMSG_TYPE_MEET
||
myself
->
ip
[
0
]
==
'\0'
)
{
if
((
type
==
CLUSTERMSG_TYPE_MEET
||
myself
->
ip
[
0
]
==
'\0'
)
&&
server
.
cluster_announce_ip
==
NULL
)
{
char
ip
[
NET_IP_STR_LEN
];
if
(
anetSockName
(
link
->
fd
,
ip
,
sizeof
(
ip
),
NULL
)
!=
-
1
&&
...
...
@@ -1665,8 +1701,9 @@ int clusterProcessPacket(clusterLink *link) {
clusterNode
*
node
;
node
=
createClusterNode
(
NULL
,
CLUSTER_NODE_HANDSHAKE
);
nodeIp2String
(
node
->
ip
,
link
);
nodeIp2String
(
node
->
ip
,
link
,
hdr
->
myip
);
node
->
port
=
ntohs
(
hdr
->
port
);
node
->
cport
=
ntohs
(
hdr
->
cport
);
clusterAddNode
(
node
);
clusterDoBeforeSleep
(
CLUSTER_TODO_SAVE_CONFIG
);
}
...
...
@@ -1696,7 +1733,7 @@ int clusterProcessPacket(clusterLink *link) {
serverLog
(
LL_VERBOSE
,
"Handshake: we already know node %.40s, "
"updating the address if needed."
,
sender
->
name
);
if
(
nodeUpdateAddressIfNeeded
(
sender
,
link
,
ntohs
(
hdr
->
port
)
))
if
(
nodeUpdateAddressIfNeeded
(
sender
,
link
,
hdr
))
{
clusterDoBeforeSleep
(
CLUSTER_TODO_SAVE_CONFIG
|
CLUSTER_TODO_UPDATE_STATE
);
...
...
@@ -1728,6 +1765,7 @@ int clusterProcessPacket(clusterLink *link) {
link
->
node
->
flags
|=
CLUSTER_NODE_NOADDR
;
link
->
node
->
ip
[
0
]
=
'\0'
;
link
->
node
->
port
=
0
;
link
->
node
->
cport
=
0
;
freeClusterLink
(
link
);
clusterDoBeforeSleep
(
CLUSTER_TODO_SAVE_CONFIG
);
return
0
;
...
...
@@ -1737,7 +1775,7 @@ int clusterProcessPacket(clusterLink *link) {
/* Update the node address if it changed. */
if
(
sender
&&
type
==
CLUSTERMSG_TYPE_PING
&&
!
nodeInHandshake
(
sender
)
&&
nodeUpdateAddressIfNeeded
(
sender
,
link
,
ntohs
(
hdr
->
port
)
))
nodeUpdateAddressIfNeeded
(
sender
,
link
,
hdr
))
{
clusterDoBeforeSleep
(
CLUSTER_TODO_SAVE_CONFIG
|
CLUSTER_TODO_UPDATE_STATE
);
...
...
@@ -2134,11 +2172,28 @@ void clusterBuildMessageHdr(clusterMsg *hdr, int type) {
hdr
->
type
=
htons
(
type
);
memcpy
(
hdr
->
sender
,
myself
->
name
,
CLUSTER_NAMELEN
);
/* If cluster-announce-ip option is enabled, force the receivers of our
* packets to use the specified address for this node. Otherwise if the
* first byte is zero, they'll do auto discovery. */
memset
(
hdr
->
myip
,
0
,
NET_IP_STR_LEN
);
if
(
server
.
cluster_announce_ip
)
{
strncpy
(
hdr
->
myip
,
server
.
cluster_announce_ip
,
NET_IP_STR_LEN
);
hdr
->
myip
[
NET_IP_STR_LEN
-
1
]
=
'\0'
;
}
/* Handle cluster-announce-port as well. */
int
announced_port
=
server
.
cluster_announce_port
?
server
.
cluster_announce_port
:
server
.
port
;
int
announced_cport
=
server
.
cluster_announce_bus_port
?
server
.
cluster_announce_bus_port
:
(
server
.
port
+
CLUSTER_PORT_INCR
);
memcpy
(
hdr
->
myslots
,
master
->
slots
,
sizeof
(
hdr
->
myslots
));
memset
(
hdr
->
slaveof
,
0
,
CLUSTER_NAMELEN
);
if
(
myself
->
slaveof
!=
NULL
)
memcpy
(
hdr
->
slaveof
,
myself
->
slaveof
->
name
,
CLUSTER_NAMELEN
);
hdr
->
port
=
htons
(
server
.
port
);
hdr
->
port
=
htons
(
announced_port
);
hdr
->
cport
=
htons
(
announced_cport
);
hdr
->
flags
=
htons
(
myself
->
flags
);
hdr
->
state
=
server
.
cluster
->
state
;
...
...
@@ -2274,9 +2329,9 @@ void clusterSendPing(clusterLink *link, int type) {
gossip
->
pong_received
=
htonl
(
this
->
pong_received
);
memcpy
(
gossip
->
ip
,
this
->
ip
,
sizeof
(
this
->
ip
));
gossip
->
port
=
htons
(
this
->
port
);
gossip
->
cport
=
htons
(
this
->
cport
);
gossip
->
flags
=
htons
(
this
->
flags
);
gossip
->
notused1
=
0
;
gossip
->
notused2
=
0
;
gossipcount
++
;
}
...
...
@@ -3073,6 +3128,31 @@ void clusterCron(void) {
iteration
++
;
/* Number of times this function was called so far. */
/* We want to take myself->ip in sync with the cluster-announce-ip option.
* The option can be set at runtime via CONFIG SET, so we periodically check
* if the option changed to reflect this into myself->ip. */
{
static
char
*
prev_ip
=
NULL
;
char
*
curr_ip
=
server
.
cluster_announce_ip
;
int
changed
=
0
;
if
(
prev_ip
==
NULL
&&
curr_ip
!=
NULL
)
changed
=
1
;
if
(
prev_ip
!=
NULL
&&
curr_ip
==
NULL
)
changed
=
1
;
if
(
prev_ip
&&
curr_ip
&&
strcmp
(
prev_ip
,
curr_ip
))
changed
=
1
;
if
(
changed
)
{
prev_ip
=
curr_ip
;
if
(
prev_ip
)
prev_ip
=
zstrdup
(
prev_ip
);
if
(
curr_ip
)
{
strncpy
(
myself
->
ip
,
server
.
cluster_announce_ip
,
NET_IP_STR_LEN
);
myself
->
ip
[
NET_IP_STR_LEN
-
1
]
=
'\0'
;
}
else
{
myself
->
ip
[
0
]
=
'\0'
;
/* Force autodetection. */
}
}
}
/* The handshake timeout is the time after which a handshake node that was
* not turned into a normal node is removed from the nodes. Usually it is
* just the NODE_TIMEOUT value, but when NODE_TIMEOUT is too small we use
...
...
@@ -3100,7 +3180,7 @@ void clusterCron(void) {
clusterLink
*
link
;
fd
=
anetTcpNonBlockBindConnect
(
server
.
neterr
,
node
->
ip
,
node
->
port
+
CLUSTER_PORT_INCR
,
NET_FIRST_BIND_ADDR
);
node
->
c
port
,
NET_FIRST_BIND_ADDR
);
if
(
fd
==
-
1
)
{
/* We got a synchronous error from connect before
* clusterSendPing() had a chance to be called.
...
...
@@ -3110,8 +3190,7 @@ void clusterCron(void) {
if
(
node
->
ping_sent
==
0
)
node
->
ping_sent
=
mstime
();
serverLog
(
LL_DEBUG
,
"Unable to connect to "
"Cluster Node [%s]:%d -> %s"
,
node
->
ip
,
node
->
port
+
CLUSTER_PORT_INCR
,
server
.
neterr
);
node
->
cport
,
server
.
neterr
);
continue
;
}
link
=
createClusterLink
(
node
);
...
...
@@ -3142,7 +3221,7 @@ void clusterCron(void) {
node
->
flags
&=
~
CLUSTER_NODE_MEET
;
serverLog
(
LL_DEBUG
,
"Connecting with Node %.40s at %s:%d"
,
node
->
name
,
node
->
ip
,
node
->
port
+
CLUSTER_PORT_INCR
);
node
->
name
,
node
->
ip
,
node
->
c
port
);
}
}
dictReleaseIterator
(
di
);
...
...
@@ -3663,10 +3742,11 @@ sds clusterGenNodeDescription(clusterNode *node) {
sds
ci
;
/* Node coordinates */
ci
=
sdscatprintf
(
sdsempty
(),
"%.40s %s:%d "
,
ci
=
sdscatprintf
(
sdsempty
(),
"%.40s %s:%d
:%d
"
,
node
->
name
,
node
->
ip
,
node
->
port
);
node
->
port
,
node
->
cport
);
/* Flags */
ci
=
representClusterNodeFlags
(
ci
,
node
->
flags
);
...
...
@@ -3849,16 +3929,27 @@ void clusterCommand(client *c) {
return
;
}
if
(
!
strcasecmp
(
c
->
argv
[
1
]
->
ptr
,
"meet"
)
&&
c
->
argc
==
4
)
{
long
long
port
;
if
(
!
strcasecmp
(
c
->
argv
[
1
]
->
ptr
,
"meet"
)
&&
(
c
->
argc
==
4
||
c
->
argc
==
5
))
{
/* CLUSTER MEET <ip> <port> [cport] */
long
long
port
,
cport
;
if
(
getLongLongFromObject
(
c
->
argv
[
3
],
&
port
)
!=
C_OK
)
{
addReplyErrorFormat
(
c
,
"Invalid TCP port specified: %s"
,
addReplyErrorFormat
(
c
,
"Invalid TCP
base
port specified: %s"
,
(
char
*
)
c
->
argv
[
3
]
->
ptr
);
return
;
}
if
(
clusterStartHandshake
(
c
->
argv
[
2
]
->
ptr
,
port
)
==
0
&&
if
(
c
->
argc
==
5
)
{
if
(
getLongLongFromObject
(
c
->
argv
[
4
],
&
cport
)
!=
C_OK
)
{
addReplyErrorFormat
(
c
,
"Invalid TCP bus port specified: %s"
,
(
char
*
)
c
->
argv
[
4
]
->
ptr
);
return
;
}
}
else
{
cport
=
port
+
CLUSTER_PORT_INCR
;
}
if
(
clusterStartHandshake
(
c
->
argv
[
2
]
->
ptr
,
port
,
cport
)
==
0
&&
errno
==
EINVAL
)
{
addReplyErrorFormat
(
c
,
"Invalid node address specified: %s:%s"
,
...
...
src/cluster.h
View file @
e27b9b1c
...
...
@@ -100,7 +100,8 @@ typedef struct clusterNode {
mstime_t
orphaned_time
;
/* Starting time of orphaned master condition */
long
long
repl_offset
;
/* Last known repl offset for this node. */
char
ip
[
NET_IP_STR_LEN
];
/* Latest known IP address of this node */
int
port
;
/* Latest known port of this node */
int
port
;
/* Latest known clients port of this node */
int
cport
;
/* Latest known cluster port of this node. */
clusterLink
*
link
;
/* TCP/IP link with this node */
list
*
fail_reports
;
/* List of nodes signaling this as failing */
}
clusterNode
;
...
...
@@ -171,10 +172,10 @@ typedef struct {
uint32_t
ping_sent
;
uint32_t
pong_received
;
char
ip
[
NET_IP_STR_LEN
];
/* IP address last time it was seen */
uint16_t
port
;
/* port last time it was seen */
uint16_t
port
;
/* base port last time it was seen */
uint16_t
cport
;
/* cluster port last time it was seen */
uint16_t
flags
;
/* node->flags copy */
uint16_t
notused1
;
/* Some room for future improvements. */
uint32_t
notused2
;
uint32_t
notused1
;
}
clusterMsgDataGossip
;
typedef
struct
{
...
...
@@ -219,13 +220,13 @@ union clusterMsgData {
}
update
;
};
#define CLUSTER_PROTO_VER
0
/* Cluster bus protocol version. */
#define CLUSTER_PROTO_VER
1
/* Cluster bus protocol version. */
typedef
struct
{
char
sig
[
4
];
/* Siganture "RCmb" (Redis Cluster message bus). */
uint32_t
totlen
;
/* Total length of this message */
uint16_t
ver
;
/* Protocol version, currently set to 0. */
uint16_t
notused0
;
/* 2 bytes not used
. */
uint16_t
port
;
/* TCP base port number
. */
uint16_t
type
;
/* Message type */
uint16_t
count
;
/* Only used for some kind of messages. */
uint64_t
currentEpoch
;
/* The epoch accordingly to the sending node. */
...
...
@@ -237,9 +238,10 @@ typedef struct {
char
sender
[
CLUSTER_NAMELEN
];
/* Name of the sender node */
unsigned
char
myslots
[
CLUSTER_SLOTS
/
8
];
char
slaveof
[
CLUSTER_NAMELEN
];
char
notused1
[
32
];
/* 32 bytes reserved for future usage. */
uint16_t
port
;
/* Sender TCP base port */
uint16_t
flags
;
/* Sender node flags */
char
myip
[
NET_IP_STR_LEN
];
/* Sender IP, if not all zeroed. */
char
notused1
[
34
];
/* 34 bytes reserved for future usage. */
uint16_t
cport
;
/* Sender TCP cluster bus port */
uint16_t
flags
;
/* Sender node flags */
unsigned
char
state
;
/* Cluster state from the POV of the sender */
unsigned
char
mflags
[
3
];
/* Message flags: CLUSTERMSG_FLAG[012]_... */
union
clusterMsgData
data
;
...
...
src/config.c
View file @
e27b9b1c
...
...
@@ -514,6 +514,25 @@ void loadServerConfigFromString(char *config) {
}
else
if
(
!
strcasecmp
(
argv
[
0
],
"cluster-config-file"
)
&&
argc
==
2
)
{
zfree
(
server
.
cluster_configfile
);
server
.
cluster_configfile
=
zstrdup
(
argv
[
1
]);
}
else
if
(
!
strcasecmp
(
argv
[
0
],
"cluster-announce-ip"
)
&&
argc
==
2
)
{
zfree
(
server
.
cluster_announce_ip
);
server
.
cluster_announce_ip
=
zstrdup
(
argv
[
1
]);
}
else
if
(
!
strcasecmp
(
argv
[
0
],
"cluster-announce-port"
)
&&
argc
==
2
)
{
server
.
cluster_announce_port
=
atoi
(
argv
[
1
]);
if
(
server
.
cluster_announce_port
<
0
||
server
.
cluster_announce_port
>
65535
)
{
err
=
"Invalid port"
;
goto
loaderr
;
}
}
else
if
(
!
strcasecmp
(
argv
[
0
],
"cluster-announce-bus-port"
)
&&
argc
==
2
)
{
server
.
cluster_announce_bus_port
=
atoi
(
argv
[
1
]);
if
(
server
.
cluster_announce_bus_port
<
0
||
server
.
cluster_announce_bus_port
>
65535
)
{
err
=
"Invalid port"
;
goto
loaderr
;
}
}
else
if
(
!
strcasecmp
(
argv
[
0
],
"cluster-require-full-coverage"
)
&&
argc
==
2
)
{
...
...
@@ -745,6 +764,9 @@ void configSetCommand(client *c) {
}
config_set_special_field
(
"masterauth"
)
{
zfree
(
server
.
masterauth
);
server
.
masterauth
=
((
char
*
)
o
->
ptr
)[
0
]
?
zstrdup
(
o
->
ptr
)
:
NULL
;
}
config_set_special_field
(
"cluster-announce-ip"
)
{
zfree
(
server
.
cluster_announce_ip
);
server
.
cluster_announce_ip
=
((
char
*
)
o
->
ptr
)[
0
]
?
zstrdup
(
o
->
ptr
)
:
NULL
;
}
config_set_special_field
(
"maxclients"
)
{
int
orig_value
=
server
.
maxclients
;
...
...
@@ -963,6 +985,10 @@ void configSetCommand(client *c) {
refreshGoodSlavesCount
();
}
config_set_numerical_field
(
"cluster-node-timeout"
,
server
.
cluster_node_timeout
,
0
,
LLONG_MAX
)
{
}
config_set_numerical_field
(
"cluster-announce-port"
,
server
.
cluster_announce_port
,
0
,
65535
)
{
}
config_set_numerical_field
(
"cluster-announce-bus-port"
,
server
.
cluster_announce_bus_port
,
0
,
65535
)
{
}
config_set_numerical_field
(
"cluster-migration-barrier"
,
server
.
cluster_migration_barrier
,
0
,
LLONG_MAX
){
}
config_set_numerical_field
(
...
...
@@ -1067,6 +1093,7 @@ void configGetCommand(client *c) {
config_get_string_field
(
"dbfilename"
,
server
.
rdb_filename
);
config_get_string_field
(
"requirepass"
,
server
.
requirepass
);
config_get_string_field
(
"masterauth"
,
server
.
masterauth
);
config_get_string_field
(
"cluster-announce-ip"
,
server
.
cluster_announce_ip
);
config_get_string_field
(
"unixsocket"
,
server
.
unixsocket
);
config_get_string_field
(
"logfile"
,
server
.
logfile
);
config_get_string_field
(
"pidfile"
,
server
.
pidfile
);
...
...
@@ -1103,6 +1130,8 @@ void configGetCommand(client *c) {
config_get_numerical_field
(
"slowlog-max-len"
,
server
.
slowlog_max_len
);
config_get_numerical_field
(
"port"
,
server
.
port
);
config_get_numerical_field
(
"cluster-announce-port"
,
server
.
cluster_announce_port
);
config_get_numerical_field
(
"cluster-announce-bus-port"
,
server
.
cluster_announce_bus_port
);
config_get_numerical_field
(
"tcp-backlog"
,
server
.
tcp_backlog
);
config_get_numerical_field
(
"databases"
,
server
.
dbnum
);
config_get_numerical_field
(
"repl-ping-slave-period"
,
server
.
repl_ping_slave_period
);
...
...
@@ -1792,6 +1821,8 @@ int rewriteConfig(char *path) {
rewriteConfigYesNoOption
(
state
,
"daemonize"
,
server
.
daemonize
,
0
);
rewriteConfigStringOption
(
state
,
"pidfile"
,
server
.
pidfile
,
CONFIG_DEFAULT_PID_FILE
);
rewriteConfigNumericalOption
(
state
,
"port"
,
server
.
port
,
CONFIG_DEFAULT_SERVER_PORT
);
rewriteConfigNumericalOption
(
state
,
"cluster-announce-port"
,
server
.
cluster_announce_port
,
CONFIG_DEFAULT_CLUSTER_ANNOUNCE_PORT
);
rewriteConfigNumericalOption
(
state
,
"cluster-announce-bus-port"
,
server
.
cluster_announce_bus_port
,
CONFIG_DEFAULT_CLUSTER_ANNOUNCE_BUS_PORT
);
rewriteConfigNumericalOption
(
state
,
"tcp-backlog"
,
server
.
tcp_backlog
,
CONFIG_DEFAULT_TCP_BACKLOG
);
rewriteConfigBindOption
(
state
);
rewriteConfigStringOption
(
state
,
"unixsocket"
,
server
.
unixsocket
,
NULL
);
...
...
@@ -1812,6 +1843,7 @@ int rewriteConfig(char *path) {
rewriteConfigDirOption
(
state
);
rewriteConfigSlaveofOption
(
state
);
rewriteConfigStringOption
(
state
,
"masterauth"
,
server
.
masterauth
,
NULL
);
rewriteConfigStringOption
(
state
,
"cluster-announce-ip"
,
server
.
cluster_announce_ip
,
NULL
);
rewriteConfigYesNoOption
(
state
,
"slave-serve-stale-data"
,
server
.
repl_serve_stale_data
,
CONFIG_DEFAULT_SLAVE_SERVE_STALE_DATA
);
rewriteConfigYesNoOption
(
state
,
"slave-read-only"
,
server
.
repl_slave_ro
,
CONFIG_DEFAULT_SLAVE_READ_ONLY
);
rewriteConfigNumericalOption
(
state
,
"repl-ping-slave-period"
,
server
.
repl_ping_slave_period
,
CONFIG_DEFAULT_REPL_PING_SLAVE_PERIOD
);
...
...
src/server.c
View file @
e27b9b1c
...
...
@@ -1523,6 +1523,9 @@ void initServerConfig(void) {
server
.
cluster_slave_validity_factor
=
CLUSTER_DEFAULT_SLAVE_VALIDITY
;
server
.
cluster_require_full_coverage
=
CLUSTER_DEFAULT_REQUIRE_FULL_COVERAGE
;
server
.
cluster_configfile
=
zstrdup
(
CONFIG_DEFAULT_CLUSTER_CONFIG_FILE
);
server
.
cluster_announce_ip
=
CONFIG_DEFAULT_CLUSTER_ANNOUNCE_IP
;
server
.
cluster_announce_port
=
CONFIG_DEFAULT_CLUSTER_ANNOUNCE_PORT
;
server
.
cluster_announce_bus_port
=
CONFIG_DEFAULT_CLUSTER_ANNOUNCE_BUS_PORT
;
server
.
migrate_cached_sockets
=
dictCreate
(
&
migrateCacheDictType
,
NULL
);
server
.
next_client_id
=
1
;
/* Client IDs, start from 1 .*/
server
.
loading_process_events_interval_bytes
=
(
1024
*
1024
*
2
);
...
...
src/server.h
View file @
e27b9b1c
...
...
@@ -108,6 +108,9 @@ typedef long long mstime_t; /* millisecond time type. */
#define CONFIG_DEFAULT_PID_FILE "/var/run/redis.pid"
#define CONFIG_DEFAULT_SYSLOG_IDENT "redis"
#define CONFIG_DEFAULT_CLUSTER_CONFIG_FILE "nodes.conf"
#define CONFIG_DEFAULT_CLUSTER_ANNOUNCE_IP NULL
/* Auto detect. */
#define CONFIG_DEFAULT_CLUSTER_ANNOUNCE_PORT 0
/* Use server.port */
#define CONFIG_DEFAULT_CLUSTER_ANNOUNCE_BUS_PORT 0
/* Use +10000 offset. */
#define CONFIG_DEFAULT_DAEMONIZE 0
#define CONFIG_DEFAULT_UNIX_SOCKET_PERM 0
#define CONFIG_DEFAULT_TCP_KEEPALIVE 0
...
...
@@ -947,6 +950,9 @@ struct redisServer {
int
cluster_slave_validity_factor
;
/* Slave max data age for failover. */
int
cluster_require_full_coverage
;
/* If true, put the cluster down if
there is at least an uncovered slot.*/
char
*
cluster_announce_ip
;
/* IP address to announce on cluster bus. */
int
cluster_announce_port
;
/* base port to announce on cluster bus. */
int
cluster_announce_bus_port
;
/* bus port to announce on cluster bus. */
/* Scripting */
lua_State
*
lua
;
/* The Lua interpreter. We use just one for all clients */
client
*
lua_client
;
/* The "fake client" to query Redis from Lua */
...
...
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