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Stefane Fermigier
neo
Commits
e6fbafe8
Commit
e6fbafe8
authored
Aug 31, 2017
by
Kirill Smelkov
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.
parent
620df4c7
Changes
3
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3 changed files
with
283 additions
and
307 deletions
+283
-307
go/neo/client/client.go
go/neo/client/client.go
+2
-2
go/neo/nodetab.go
go/neo/nodetab.go
+252
-249
go/neo/server/master.go
go/neo/server/master.go
+29
-56
No files found.
go/neo/client/client.go
View file @
e6fbafe8
...
...
@@ -272,7 +272,7 @@ func (c *Client) recvMaster(ctx context.Context, mlink *neo.NodeLink) error {
// XXX msg.IdTimestamp ?
for
_
,
nodeInfo
:=
range
msg
.
NodeList
{
log
.
Infof
(
ctx
,
"rx node update: %v"
,
nodeInfo
)
c
.
node
.
NodeTab
.
Update
(
nodeInfo
,
/*XXX conn should not be here*/
nil
)
c
.
node
.
NodeTab
.
Update
(
nodeInfo
)
}
// FIXME logging under lock
...
...
@@ -399,7 +399,7 @@ func (c *Client) Load(ctx context.Context, xid zodb.Xid) (data []byte, serial zo
// retry from the beginning if all are found to fail?
stor
:=
storv
[
rand
.
Intn
(
len
(
storv
))]
slink
,
err
:=
stor
.
Link
(
)
slink
,
err
:=
stor
.
Dial
(
ctx
)
if
err
!=
nil
{
return
nil
,
0
,
err
// XXX err ctx
}
...
...
go/neo/nodetab.go
View file @
e6fbafe8
This diff is collapsed.
Click to expand it.
go/neo/server/master.go
View file @
e6fbafe8
...
...
@@ -176,7 +176,7 @@ func (m *Master) Run(ctx context.Context) (err error) {
}
// update nodeTab with self
m
.
node
.
NodeTab
.
Update
(
m
.
node
.
MyInfo
,
nil
/*XXX ok? we are not connecting to self*/
)
m
.
node
.
NodeTab
.
Update
(
m
.
node
.
MyInfo
)
// accept incoming connections and pass them to main driver
...
...
@@ -368,13 +368,8 @@ loop:
log
.
Error
(
ctx
,
r
.
err
)
if
!
xcontext
.
Canceled
(
errors
.
Cause
(
r
.
err
))
{
// XXX dup wrt vvv (loop2)
log
.
Infof
(
ctx
,
"%v: closing link"
,
r
.
stor
.
Link
)
// close stor link / update .nodeTab
lclose
(
ctx
,
r
.
stor
.
Link
)
// r.stor.SetState(neo.DOWN)
m
.
node
.
NodeTab
.
SetNodeState
(
r
.
stor
,
neo
.
DOWN
)
r
.
stor
.
CloseLink
(
ctx
)
r
.
stor
.
SetState
(
neo
.
DOWN
)
}
}
else
{
...
...
@@ -457,12 +452,8 @@ loop2:
log
.
Error
(
ctx
,
r
.
err
)
if
!
xcontext
.
Canceled
(
errors
.
Cause
(
r
.
err
))
{
// XXX -> r.stor.CloseLink(ctx) ?
log
.
Infof
(
ctx
,
"%v: closing link"
,
r
.
stor
.
Link
)
// close stor link / update .nodeTab
lclose
(
ctx
,
r
.
stor
.
Link
)
m
.
node
.
NodeTab
.
SetNodeState
(
r
.
stor
,
neo
.
DOWN
)
r
.
stor
.
CloseLink
(
ctx
)
r
.
stor
.
SetState
(
neo
.
DOWN
)
}
case
<-
done
:
...
...
@@ -480,7 +471,7 @@ loop2:
// XXX recheck logic is ok for when starting existing cluster
for
_
,
stor
:=
range
m
.
node
.
NodeTab
.
StorageList
()
{
if
stor
.
State
==
neo
.
PENDING
{
m
.
node
.
NodeTab
.
SetNodeState
(
stor
,
neo
.
RUNNING
)
stor
.
SetState
(
neo
.
RUNNING
)
}
}
...
...
@@ -513,28 +504,19 @@ func storCtlRecovery(ctx context.Context, stor *neo.Node, res chan storRecovery)
// on error provide feedback to storRecovery chan
res
<-
storRecovery
{
stor
:
stor
,
err
:
err
}
}()
defer
task
.
Runningf
(
&
ctx
,
"%s: stor recovery"
,
stor
.
Link
.
RemoteAddr
())(
&
err
)
conn
:=
stor
.
Conn
// conn, err := stor.Link.NewConn()
// if err != nil {
// return
// }
// defer func() {
// err2 := conn.Close()
// err = xerr.First(err, err2)
// }()
slink
:=
stor
.
Link
()
defer
task
.
Runningf
(
&
ctx
,
"%s: stor recovery"
,
slink
.
RemoteAddr
())(
&
err
)
// XXX cancel on ctx
recovery
:=
neo
.
AnswerRecovery
{}
err
=
conn
.
Ask
(
&
neo
.
Recovery
{},
&
recovery
)
err
=
slink
.
Ask1
(
&
neo
.
Recovery
{},
&
recovery
)
if
err
!=
nil
{
return
}
resp
:=
neo
.
AnswerPartitionTable
{}
err
=
conn
.
Ask
(
&
neo
.
AskPartitionTable
{},
&
resp
)
err
=
slink
.
Ask1
(
&
neo
.
AskPartitionTable
{},
&
resp
)
if
err
!=
nil
{
return
}
...
...
@@ -621,7 +603,7 @@ loop:
}()
case
n
:=
<-
m
.
nodeLeave
:
m
.
node
.
NodeTab
.
SetNodeState
(
n
.
node
,
neo
.
DOWN
)
n
.
node
.
SetState
(
neo
.
DOWN
)
// if cluster became non-operational - we cancel verification
if
!
m
.
node
.
PartTab
.
OperationalWith
(
m
.
node
.
NodeTab
)
{
...
...
@@ -643,12 +625,8 @@ loop:
log
.
Error
(
ctx
,
v
.
err
)
if
!
xcontext
.
Canceled
(
errors
.
Cause
(
v
.
err
))
{
// XXX dup wrt recovery ^^^
log
.
Infof
(
ctx
,
"%s: closing link"
,
v
.
stor
.
Link
)
// mark storage as non-working in nodeTab
lclose
(
ctx
,
v
.
stor
.
Link
)
m
.
node
.
NodeTab
.
SetNodeState
(
v
.
stor
,
neo
.
DOWN
)
v
.
stor
.
CloseLink
(
ctx
)
v
.
stor
.
SetState
(
neo
.
DOWN
)
}
// check partTab is still operational
...
...
@@ -696,11 +674,8 @@ loop2:
log
.
Error
(
ctx
,
v
.
err
)
if
!
xcontext
.
Canceled
(
errors
.
Cause
(
v
.
err
))
{
log
.
Infof
(
ctx
,
"%v: closing link"
,
v
.
stor
.
Link
)
// close stor link / update .nodeTab
lclose
(
ctx
,
v
.
stor
.
Link
)
m
.
node
.
NodeTab
.
SetNodeState
(
v
.
stor
,
neo
.
DOWN
)
v
.
stor
.
CloseLink
(
ctx
)
v
.
stor
.
SetState
(
neo
.
DOWN
)
}
case
<-
done
:
...
...
@@ -730,12 +705,11 @@ func storCtlVerify(ctx context.Context, stor *neo.Node, pt *neo.PartitionTable,
res
<-
storVerify
{
stor
:
stor
,
err
:
err
}
}
}()
defer
task
.
Runningf
(
&
ctx
,
"%s: stor verify"
,
stor
.
Link
)(
&
err
)
conn
:=
stor
.
Conn
slink
:=
stor
.
Link
()
defer
task
.
Runningf
(
&
ctx
,
"%s: stor verify"
,
slink
)(
&
err
)
// send just recovered parttab so storage saves it
err
=
conn
.
Send
(
&
neo
.
NotifyPartitionTable
{
err
=
slink
.
Send1
(
&
neo
.
NotifyPartitionTable
{
PTid
:
pt
.
PTid
,
RowList
:
pt
.
Dump
(),
})
...
...
@@ -744,7 +718,7 @@ func storCtlVerify(ctx context.Context, stor *neo.Node, pt *neo.PartitionTable,
}
locked
:=
neo
.
AnswerLockedTransactions
{}
err
=
conn
.
Ask
(
&
neo
.
LockedTransactions
{},
&
locked
)
err
=
slink
.
Ask1
(
&
neo
.
LockedTransactions
{},
&
locked
)
if
err
!=
nil
{
return
}
...
...
@@ -756,7 +730,7 @@ func storCtlVerify(ctx context.Context, stor *neo.Node, pt *neo.PartitionTable,
}
last
:=
neo
.
AnswerLastIDs
{}
err
=
conn
.
Ask
(
&
neo
.
LastIDs
{},
&
last
)
err
=
slink
.
Ask1
(
&
neo
.
LastIDs
{},
&
last
)
if
err
!=
nil
{
return
}
...
...
@@ -850,7 +824,7 @@ loop:
// XXX who sends here?
case
n
:=
<-
m
.
nodeLeave
:
m
.
node
.
NodeTab
.
SetNodeState
(
n
.
node
,
neo
.
DOWN
)
n
.
node
.
SetState
(
neo
.
DOWN
)
// if cluster became non-operational - cancel service
if
!
m
.
node
.
PartTab
.
OperationalWith
(
m
.
node
.
NodeTab
)
{
...
...
@@ -884,15 +858,14 @@ loop:
// storCtlService drives a storage node during cluster service state
func
storCtlService
(
ctx
context
.
Context
,
stor
*
neo
.
Node
)
(
err
error
)
{
defer
task
.
Runningf
(
&
ctx
,
"%s: stor service"
,
stor
.
Link
.
RemoteAddr
())(
&
err
)
conn
:=
stor
.
Conn
slink
:=
stor
.
Link
()
defer
task
.
Runningf
(
&
ctx
,
"%s: stor service"
,
slink
.
RemoteAddr
())(
&
err
)
// XXX send nodeTab ?
// XXX send clusterInformation ?
ready
:=
neo
.
NotifyReady
{}
err
=
conn
.
Ask
(
&
neo
.
StartOperation
{
Backup
:
false
},
&
ready
)
err
=
slink
.
Ask1
(
&
neo
.
StartOperation
{
Backup
:
false
},
&
ready
)
if
err
!=
nil
{
return
err
}
...
...
@@ -915,12 +888,11 @@ func storCtlService(ctx context.Context, stor *neo.Node) (err error) {
// serveClient serves incoming client link
func
(
m
*
Master
)
serveClient
(
ctx
context
.
Context
,
cli
*
neo
.
Node
)
(
err
error
)
{
defer
task
.
Runningf
(
&
ctx
,
"%s: client service"
,
cli
.
Link
.
RemoteAddr
())(
&
err
)
clink
:=
cli
.
Link
()
defer
task
.
Runningf
(
&
ctx
,
"%s: client service"
,
clink
.
RemoteAddr
())(
&
err
)
wg
,
ctx
:=
errgroup
.
WithContext
(
ctx
)
clink
:=
cli
.
Link
defer
xio
.
CloseWhenDone
(
ctx
,
clink
)()
defer
xio
.
CloseWhenDone
(
ctx
,
clink
)()
// XXX -> cli.CloseLink?
// M -> C notifications about cluster state
wg
.
Go
(
func
()
error
{
...
...
@@ -1128,7 +1100,8 @@ func (m *Master) identify(ctx context.Context, n nodeCome) (node *neo.Node, resp
IdTimestamp
:
m
.
monotime
(),
}
node
=
m
.
node
.
NodeTab
.
Update
(
nodeInfo
,
n
.
conn
)
// NOTE this notifies all nodeTab subscribers
node
=
m
.
node
.
NodeTab
.
Update
(
nodeInfo
)
// NOTE this notifies all nodeTab subscribers
node
.
SetLink
(
n
.
conn
.
Link
())
return
node
,
accept
}
...
...
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