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Signed-off-by: renxiangyu <[email protected]>
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renxiangyu
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Dec 5, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync" | ||
| ) | ||
|
|
||
| type GoroutinePool struct { | ||
| pool chan int | ||
| funcChan chan RoutineFunc | ||
| waitGroup *sync.WaitGroup | ||
| } | ||
|
|
||
| type RoutineFunc struct { | ||
| f interface{} | ||
| args []interface{} | ||
| } | ||
|
|
||
| func NewGoroutinePool(size int) *GoroutinePool { | ||
| return &GoroutinePool{ | ||
| pool: make(chan int, size), | ||
| funcChan: make(chan RoutineFunc, size), | ||
| waitGroup: &sync.WaitGroup{}, | ||
| } | ||
| } | ||
|
|
||
| func (g *GoroutinePool) Submit(f interface{}, args ...interface{}) { | ||
| g.funcChan <- RoutineFunc{f: f, args: args} | ||
| g.pool <- 1 | ||
| g.waitGroup.Add(1) | ||
|
|
||
| go func() { | ||
| task := <-g.funcChan | ||
| switch f := task.f.(type) { | ||
| case func(): | ||
| f() | ||
| case func(args ...interface{}): | ||
| f(task.args...) | ||
| default: | ||
| fmt.Println("Invalid task type") | ||
| } | ||
| defer g.Done() | ||
| }() | ||
| } | ||
|
|
||
| func (g *GoroutinePool) Wait() { | ||
| g.waitGroup.Wait() | ||
| } | ||
|
|
||
| func (g *GoroutinePool) Done() { | ||
| <-g.pool | ||
| g.waitGroup.Done() | ||
| } | ||
|
|
||
| func (g *GoroutinePool) Shutdown() { | ||
| close(g.pool) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| func TestGoroutinePool_Submit(t *testing.T) { | ||
| type fields struct { | ||
| pool chan int | ||
| funcChan chan RoutineFunc | ||
| waitGroup *sync.WaitGroup | ||
| } | ||
| type args struct { | ||
| f interface{} | ||
| args []interface{} | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| fields fields | ||
| args []args | ||
| }{ | ||
| // func has no parameters | ||
| {"Test1", fields{ | ||
| pool: make(chan int, 5), | ||
| funcChan: make(chan RoutineFunc, 5), | ||
| waitGroup: &sync.WaitGroup{}, | ||
| }, []args{ | ||
| { | ||
| f: func() { | ||
| for i := 0; i < 10; i++ { | ||
| fmt.Println(i) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: nil, | ||
| }, { | ||
| f: func() { | ||
| for i := 10; i < 20; i++ { | ||
| fmt.Println(i) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: nil, | ||
| }, | ||
| }}, | ||
| // func has parameters | ||
| {"Test2", fields{ | ||
| pool: make(chan int, 5), | ||
| funcChan: make(chan RoutineFunc, 5), | ||
| waitGroup: &sync.WaitGroup{}, | ||
| }, []args{ | ||
| { | ||
| f: func(args ...interface{}) { | ||
| for _, arg := range args { | ||
| fmt.Println(arg) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: []interface{}{"a", "b", "c", "d"}, | ||
| }, { | ||
| f: func(args ...interface{}) { | ||
| for _, arg := range args { | ||
| fmt.Println(arg) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: []interface{}{"e", "f", "g", "h"}, | ||
| }, | ||
| }}, | ||
| // the thread capacity is 1 | ||
| {"Test3", fields{ | ||
| pool: make(chan int, 1), | ||
| funcChan: make(chan RoutineFunc, 1), | ||
| waitGroup: &sync.WaitGroup{}, | ||
| }, []args{ | ||
| { | ||
| f: func() { | ||
| for i := 0; i < 10; i++ { | ||
| fmt.Println(i) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: nil, | ||
| }, { | ||
| f: func() { | ||
| for i := 10; i < 20; i++ { | ||
| fmt.Println(i) | ||
| time.Sleep(1000) | ||
| } | ||
| }, | ||
| args: nil, | ||
| }, | ||
| }}, | ||
| //incorrect func parameter | ||
| {"Test4", fields{ | ||
| pool: make(chan int, 5), | ||
| funcChan: make(chan RoutineFunc, 5), | ||
| waitGroup: &sync.WaitGroup{}, | ||
| }, []args{ | ||
| { | ||
| f: func(a int) { | ||
| fmt.Println(a) | ||
| }, | ||
| args: []interface{}{"hello"}, | ||
| }, | ||
| }}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| g := &GoroutinePool{ | ||
| pool: tt.fields.pool, | ||
| funcChan: tt.fields.funcChan, | ||
| waitGroup: tt.fields.waitGroup, | ||
| } | ||
| for _, arg := range tt.args { | ||
| g.Submit(arg.f, arg.args...) | ||
| } | ||
| g.Wait() | ||
| g.Shutdown() | ||
| fmt.Println("success!") | ||
| }) | ||
| } | ||
| } |