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client: drop unnecessary Nodes type

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This commit is contained in:
Brian Waldon 2015-01-27 11:47:08 -08:00 committed by Yicheng Qin
parent 7ff84351f5
commit 3d4e1f59dc
3 changed files with 17 additions and 18 deletions
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11
client/keys.go
View File

@ -95,13 +95,12 @@ type Response struct {
Index uint64
}
type Nodes []*Node
type Node struct {
Key string `json:"key"`
Value string `json:"value"`
Nodes Nodes `json:"nodes"`
ModifiedIndex uint64 `json:"modifiedIndex"`
CreatedIndex uint64 `json:"createdIndex"`
Key string `json:"key"`
Value string `json:"value"`
Nodes []*Node `json:"nodes"`
ModifiedIndex uint64 `json:"modifiedIndex"`
CreatedIndex uint64 `json:"createdIndex"`
}
func (n *Node) String() string {

16
discovery/discovery.go
View File

@ -195,7 +195,7 @@ func (d *discovery) createSelf(contents string) error {
return err
}
func (d *discovery) checkCluster() (client.Nodes, int, uint64, error) {
func (d *discovery) checkCluster() ([]*client.Node, int, uint64, error) {
configKey := path.Join("/", d.cluster, "_config")
ctx, cancel := context.WithTimeout(context.Background(), client.DefaultRequestTimeout)
// find cluster size
@ -224,7 +224,7 @@ func (d *discovery) checkCluster() (client.Nodes, int, uint64, error) {
}
return nil, 0, 0, err
}
nodes := make(client.Nodes, 0)
nodes := make([]*client.Node, 0)
// append non-config keys to nodes
for _, n := range resp.Node.Nodes {
if !(path.Base(n.Key) == path.Base(configKey)) {
@ -254,7 +254,7 @@ func (d *discovery) logAndBackoffForRetry(step string) {
d.clock.Sleep(retryTime)
}
func (d *discovery) checkClusterRetry() (client.Nodes, int, uint64, error) {
func (d *discovery) checkClusterRetry() ([]*client.Node, int, uint64, error) {
if d.retries < nRetries {
d.logAndBackoffForRetry("cluster status check")
return d.checkCluster()
@ -262,7 +262,7 @@ func (d *discovery) checkClusterRetry() (client.Nodes, int, uint64, error) {
return nil, 0, 0, ErrTooManyRetries
}
func (d *discovery) waitNodesRetry() (client.Nodes, error) {
func (d *discovery) waitNodesRetry() ([]*client.Node, error) {
if d.retries < nRetries {
d.logAndBackoffForRetry("waiting for other nodes")
nodes, n, index, err := d.checkCluster()
@ -274,13 +274,13 @@ func (d *discovery) waitNodesRetry() (client.Nodes, error) {
return nil, ErrTooManyRetries
}
func (d *discovery) waitNodes(nodes client.Nodes, size int, index uint64) (client.Nodes, error) {
func (d *discovery) waitNodes(nodes []*client.Node, size int, index uint64) ([]*client.Node, error) {
if len(nodes) > size {
nodes = nodes[:size]
}
// watch from the next index
w := d.c.Watcher(d.cluster, &client.WatcherOptions{WaitIndex: index + 1, Recursive: true})
all := make(client.Nodes, len(nodes))
all := make([]*client.Node, len(nodes))
copy(all, nodes)
for _, n := range all {
if path.Base(n.Key) == path.Base(d.selfKey()) {
@ -311,7 +311,7 @@ func (d *discovery) selfKey() string {
return path.Join("/", d.cluster, d.id.String())
}
func nodesToCluster(ns client.Nodes) string {
func nodesToCluster(ns []*client.Node) string {
s := make([]string, len(ns))
for i, n := range ns {
s[i] = n.Value
@ -319,7 +319,7 @@ func nodesToCluster(ns client.Nodes) string {
return strings.Join(s, ",")
}
type sortableNodes struct{ client.Nodes }
type sortableNodes struct{ Nodes []*client.Node }
func (ns sortableNodes) Len() int { return len(ns.Nodes) }
func (ns sortableNodes) Less(i, j int) bool {

8
discovery/discovery_test.go
View File

@ -226,14 +226,14 @@ func TestCheckCluster(t *testing.T) {
}
func TestWaitNodes(t *testing.T) {
all := client.Nodes{
all := []*client.Node{
0: {Key: "/1000/1", CreatedIndex: 2},
1: {Key: "/1000/2", CreatedIndex: 3},
2: {Key: "/1000/3", CreatedIndex: 4},
}
tests := []struct {
nodes client.Nodes
nodes []*client.Node
rs []*client.Response
}{
{
@ -341,7 +341,7 @@ func TestCreateSelf(t *testing.T) {
}
func TestNodesToCluster(t *testing.T) {
nodes := client.Nodes{
nodes := []*client.Node{
0: {Key: "/1000/1", Value: "1=1.1.1.1", CreatedIndex: 1},
1: {Key: "/1000/2", Value: "2=2.2.2.2", CreatedIndex: 2},
2: {Key: "/1000/3", Value: "3=3.3.3.3", CreatedIndex: 3},
@ -355,7 +355,7 @@ func TestNodesToCluster(t *testing.T) {
}
func TestSortableNodes(t *testing.T) {
ns := client.Nodes{
ns := []*client.Node{
0: {CreatedIndex: 5},
1: {CreatedIndex: 1},
2: {CreatedIndex: 3},