本文整理汇总了Golang中github.com/youtube/vitess/go/vt/topo.Server.ActionEventLoop方法的典型用法代码示例。如果您正苦于以下问题：Golang Server.ActionEventLoop方法的具体用法？Golang Server.ActionEventLoop怎么用？Golang Server.ActionEventLoop使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/youtube/vitess/go/vt/topo.Server的用法示例。
在下文中一共展示了Server.ActionEventLoop方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: CheckActions
func CheckActions(t *testing.T, ts topo.Server) {
cell := getLocalCell(t, ts)
tablet := &topo.Tablet{
Cell: cell,
Uid: 1,
Parent: topo.TabletAlias{},
Addr: "localhost:3333",
Keyspace: "test_keyspace",
Type: topo.TYPE_MASTER,
State: topo.STATE_READ_WRITE,
KeyRange: newKeyRange("-10"),
}
if err := ts.CreateTablet(tablet); err != nil {
t.Fatalf("CreateTablet: %v", err)
}
tabletAlias := topo.TabletAlias{cell, 1}
actionPath, err := ts.WriteTabletAction(tabletAlias, "contents1")
if err != nil {
t.Fatalf("WriteTabletAction: %v", err)
}
interrupted := make(chan struct{}, 1)
if _, err := ts.WaitForTabletAction(actionPath, time.Second/100, interrupted); err != topo.ErrTimeout {
t.Errorf("WaitForTabletAction returned %v", err)
}
go func() {
time.Sleep(time.Second / 10)
close(interrupted)
}()
if _, err := ts.WaitForTabletAction(actionPath, time.Second*5, interrupted); err != topo.ErrInterrupted {
t.Errorf("WaitForTabletAction returned %v", err)
}
wg := sync.WaitGroup{}
// wait for the result in one thread
wg.Add(1)
go func() {
interrupted := make(chan struct{}, 1)
result, err := ts.WaitForTabletAction(actionPath, time.Second*10, interrupted)
if err != nil {
t.Errorf("WaitForTabletAction returned %v", err)
}
if result != "contents3" {
t.Errorf("WaitForTabletAction returned bad result: %v", result)
}
wg.Done()
}()
// process the action in another thread
done := make(chan struct{}, 1)
wg.Add(1)
go ts.ActionEventLoop(tabletAlias, func(ap, data string) error {
// the actionPath sent back to the action processor
// is the exact one we have in normal cases,
// but for the tee, we add extra information.
if ap != actionPath && !strings.HasSuffix(ap, actionPath) {
t.Errorf("Bad action path: %v", ap)
}
if data != "contents1" {
t.Errorf("Bad data: %v", data)
}
ta, contents, version, err := ts.ReadTabletActionPath(ap)
if err != nil {
t.Errorf("Error from ReadTabletActionPath: %v", err)
}
if contents != data {
t.Errorf("Bad contents: %v", contents)
}
if ta != tabletAlias {
t.Errorf("Bad tablet alias: %v", ta)
}
if err := ts.UpdateTabletAction(ap, "contents2", version); err != nil {
t.Errorf("UpdateTabletAction failed: %v", err)
}
if err := ts.StoreTabletActionResponse(ap, "contents3"); err != nil {
t.Errorf("StoreTabletActionResponse failed: %v", err)
}
if err := ts.UnblockTabletAction(ap); err != nil {
t.Errorf("UnblockTabletAction failed: %v", err)
}
wg.Done()
return nil
}, done)
close(done)
wg.Wait()
}示例2: CheckActions
func CheckActions(t *testing.T, ts topo.Server) {
cell := getLocalCell(t, ts)
tablet := &topo.Tablet{
Alias: topo.TabletAlias{Cell: cell, Uid: 1},
Hostname: "localhost",
IPAddr: "10.11.12.13",
Portmap: map[string]int{
"vt": 3333,
"mysql": 3334,
},
Parent: topo.TabletAlias{},
Keyspace: "test_keyspace",
Type: topo.TYPE_MASTER,
State: topo.STATE_READ_WRITE,
KeyRange: newKeyRange("-10"),
}
if err := ts.CreateTablet(tablet); err != nil {
t.Fatalf("CreateTablet: %v", err)
}
tabletAlias := topo.TabletAlias{Cell: cell, Uid: 1}
actionPath, err := ts.WriteTabletAction(tabletAlias, "contents1")
if err != nil {
t.Fatalf("WriteTabletAction: %v", err)
}
interrupted := make(chan struct{}, 1)
if _, err := ts.WaitForTabletAction(actionPath, time.Second/100, interrupted); err != topo.ErrTimeout {
t.Errorf("WaitForTabletAction returned %v", err)
}
go func() {
time.Sleep(time.Second / 10)
close(interrupted)
}()
if _, err := ts.WaitForTabletAction(actionPath, time.Second*5, interrupted); err != topo.ErrInterrupted {
t.Errorf("WaitForTabletAction returned %v", err)
}
// wait for the result in one thread
wg1 := sync.WaitGroup{}
wg1.Add(1)
go func() {
defer wg1.Done()
interrupted := make(chan struct{}, 1)
var err error
for i := 0; i <= 30; i++ {
var result string
result, err = ts.WaitForTabletAction(actionPath, time.Second, interrupted)
if err == topo.ErrTimeout {
// we waited for one second, didn't see the
// result, try again up to 30 seconds.
t.Logf("WaitForTabletAction timed out at try %v/30", i)
continue
}
if err != nil {
t.Errorf("WaitForTabletAction returned: %v", err)
}
if result != "contents3" {
t.Errorf("WaitForTabletAction returned bad result: %v", result)
}
return
}
t.Errorf("WaitForTabletAction timed out: %v", err)
}()
// process the action in another thread
done := make(chan struct{}, 1)
wg2 := sync.WaitGroup{}
wg2.Add(1)
go ts.ActionEventLoop(tabletAlias, func(ap, data string) error {
// the actionPath sent back to the action processor
// is the exact one we have in normal cases,
// but for the tee, we add extra information.
if ap != actionPath && !strings.HasSuffix(ap, actionPath) {
t.Errorf("Bad action path: %v", ap)
}
if data != "contents1" {
t.Errorf("Bad data: %v", data)
}
ta, contents, version, err := ts.ReadTabletActionPath(ap)
if err != nil {
t.Errorf("Error from ReadTabletActionPath: %v", err)
}
if contents != data {
t.Errorf("Bad contents: %v", contents)
}
if ta != tabletAlias {
t.Errorf("Bad tablet alias: %v", ta)
}
if err := ts.UpdateTabletAction(ap, "contents2", version); err != nil {
t.Errorf("UpdateTabletAction failed: %v", err)
}
if err := ts.StoreTabletActionResponse(ap, "contents3"); err != nil {
t.Errorf("StoreTabletActionResponse failed: %v", err)
}
if err := ts.UnblockTabletAction(ap); err != nil {
t.Errorf("UnblockTabletAction failed: %v", err)
}
//.........这里部分代码省略.........