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Levin Zimmermann
neoppod
Commits
c17c904b
Commit
c17c904b
authored
Feb 18, 2021
by
Kirill Smelkov
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parent
54137dd2
Changes
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3 changed files
with
12 additions
and
15 deletions
+12
-15
go/neo/client.go
go/neo/client.go
+2
-2
go/neo/master.go
go/neo/master.go
+9
-12
go/neo/storage.go
go/neo/storage.go
+1
-1
No files found.
go/neo/client.go
View file @
c17c904b
...
...
@@ -325,7 +325,7 @@ func (c *Client) Load(ctx context.Context, xid zodb.Xid) (buf *mem.Buf, serial z
if
len
(
storv
)
==
0
{
// XXX recheck it adds traceback to log -> XXX it does not -> add our Bugf which always forces +v on such error print
return
nil
,
0
,
errors
.
Errorf
(
"internal inconsistency: cluster is operational, but no storages alive for oid %
v
"
,
xid
.
Oid
)
return
nil
,
0
,
errors
.
Errorf
(
"internal inconsistency: cluster is operational, but no storages alive for oid %
s
"
,
xid
.
Oid
)
}
// XXX vvv temp stub -> TODO pick up 3 random storages and send load
...
...
@@ -371,7 +371,7 @@ func (c *Client) Load(ctx context.Context, xid zodb.Xid) (buf *mem.Buf, serial z
udata
,
err
:=
xzlib
.
Decompress
(
buf
.
Data
)
buf
.
Release
()
if
err
!=
nil
{
return
nil
,
0
,
fmt
.
Errorf
(
"data corrupt: %
v
"
,
err
)
return
nil
,
0
,
fmt
.
Errorf
(
"data corrupt: %
s
"
,
err
)
}
buf2
.
Data
=
udata
buf
=
buf2
...
...
go/neo/master.go
View file @
c17c904b
...
...
@@ -1047,10 +1047,9 @@ func (m *Master) updateNodeState(ctx context.Context, peer *xneo.PeerNode, state
m
.
updateNodeTab
(
ctx
,
nodei
)
}
// notifyAll notifies all peers about event.
// XXX
place
// notifyAll notifies all peers about
δstate
event.
// XXX
move close to _MasteredPeer.notify
func
(
m
*
Master
)
notifyAll
(
ctx
context
.
Context
,
event
_ΔClusterState
)
{
// XXX locking
for
nid
,
peer
:=
range
m
.
peerTab
{
// TODO change limiting by buffer size to limiting by time -
// - i.e. detach peer if event queue grows more than 30s of time.
...
...
@@ -1077,9 +1076,7 @@ func (m *Master) notifyAll(ctx context.Context, event _ΔClusterState) {
//
// If node identification is accepted .nodeTab and .peerTab are updated and
// corresponding peer entry is returned. New task is spawned to reply with
// either accept or reject.
//
// XXX If the peer is accepted (run something after initial accept completes)
// either reject or accept + notify.
func
(
m
*
Master
)
identify
(
ctx
context
.
Context
,
n
nodeCome
)
(
peer
*
_MasteredPeer
,
ok
bool
)
{
// XXX also verify ? :
// - NodeType valid
...
...
@@ -1096,18 +1093,18 @@ func (m *Master) identify(ctx context.Context, n nodeCome) (peer *_MasteredPeer,
if
nid
==
0
||
nid
==
proto
.
NID
(
n
.
idReq
.
NodeType
,
0
)
/* XXX <- stub for "temp" check */
{
nid
=
m
.
allocNID
(
nodeType
)
}
//
XXX
nid < 0 (temporary) -> reallocate if conflict ?
//
XXX
check nid matches NodeType
//
TODO
nid < 0 (temporary) -> reallocate if conflict ?
//
TODO
check nid matches NodeType
node
:=
m
.
node
.
State
.
NodeTab
.
Get
(
nid
)
if
node
!=
nil
{
// reject - nid is already occupied by someone else
//
XXX
check also for down state - it could be the same node reconnecting
return
&
proto
.
Error
{
proto
.
PROTOCOL_ERROR
,
fmt
.
Sprintf
(
"nid %
v
already used by another node"
,
nid
)}
//
TODO
check also for down state - it could be the same node reconnecting
return
&
proto
.
Error
{
proto
.
PROTOCOL_ERROR
,
fmt
.
Sprintf
(
"nid %
s
already used by another node"
,
nid
)}
}
// accept only certain kind of nodes depending on .clusterState, e.g.
//
XXX ok to have this logic inside identify? (better provide from outside ?)
//
TODO caller should pass this logic to identify
switch
nodeType
{
case
proto
.
CLIENT
:
if
m
.
node
.
State
.
Code
!=
proto
.
ClusterRunning
{
...
...
@@ -1119,7 +1116,7 @@ func (m *Master) identify(ctx context.Context, n nodeCome) (peer *_MasteredPeer,
// TODO +master, admin
default
:
return
&
proto
.
Error
{
proto
.
PROTOCOL_ERROR
,
fmt
.
Sprintf
(
"not accepting node type %
v
"
,
nodeType
)}
return
&
proto
.
Error
{
proto
.
PROTOCOL_ERROR
,
fmt
.
Sprintf
(
"not accepting node type %
s
"
,
nodeType
)}
}
return
nil
...
...
go/neo/storage.go
View file @
c17c904b
...
...
@@ -93,7 +93,7 @@ func (stor *Storage) Run(ctx context.Context, l xnet.Listener) (err error) {
// XXX move -> SetNumReplicas handler
// // NumReplicas: neo/py meaning for n(replica) = `n(real-replica) - 1`
// if !(accept.NumPartitions == 1 && accept.NumReplicas == 0) {
// return fmt.Errorf("TODO for 1-storage POC: Npt: %
v Nreplica: %v
", accept.NumPartitions, accept.NumReplicas)
// return fmt.Errorf("TODO for 1-storage POC: Npt: %
d Nreplica: %d
", accept.NumPartitions, accept.NumReplicas)
// }
// let master initialize us. If successful this ends with StartOperation command.
...
...
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