-
Notifications
You must be signed in to change notification settings - Fork 1.1k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
275 additions
and
38 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,233 @@ | ||
| package itest | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
| "sync/atomic" | ||
| "testing" | ||
| "time" | ||
|
|
||
| rcmgr "github.com/libp2p/go-libp2p-resource-manager" | ||
|
|
||
| "github.com/libp2p/go-libp2p" | ||
| "github.com/libp2p/go-libp2p-core/peer" | ||
| ) | ||
|
|
||
| func makeRcmgrOption(t *testing.T, limiter *rcmgr.BasicLimiter) func() libp2p.Option { | ||
| return func() libp2p.Option { | ||
| mgr, err := rcmgr.NewResourceManager(limiter) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| return libp2p.ResourceManager(mgr) | ||
| } | ||
| } | ||
|
|
||
| func TestResourceManagerConnInbound(t *testing.T) { | ||
| // this test checks that we can not exceed the inbound conn limit at system level | ||
| // we specify: 1 conn per peer, 3 conns total, and we try to create 4 conns | ||
| limiter := rcmgr.NewDefaultLimiter() | ||
| limiter.SystemLimits = limiter.SystemLimits.WithConnLimit(3, 1024, 1024) | ||
| limiter.DefaultPeerLimits = limiter.DefaultPeerLimits.WithConnLimit(1, 16, 16) | ||
|
|
||
| echos := createEchos(t, 5, makeRcmgrOption(t, limiter)) | ||
| defer closeEchos(echos) | ||
|
|
||
| for i := 1; i < 4; i++ { | ||
| err := echos[i].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[0].Host.ID()}) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| time.Sleep(10 * time.Millisecond) | ||
| } | ||
|
|
||
| for i := 1; i < 4; i++ { | ||
| count := len(echos[i].Host.Network().ConnsToPeer(echos[0].Host.ID())) | ||
| if count != 1 { | ||
| t.Fatalf("expected %d connections to peer, got %d", 1, count) | ||
| } | ||
| } | ||
|
|
||
| err := echos[4].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[0].Host.ID()}) | ||
| if err == nil { | ||
| t.Fatal("expected ResourceManager to block incoming connection") | ||
| } | ||
| } | ||
|
|
||
| func TestResourceManagerConnOutbound(t *testing.T) { | ||
| // this test checks that we can not exceed the inbound conn limit at system level | ||
| // we specify: 1 conn per peer, 3 conns total, and we try to create 4 conns | ||
| limiter := rcmgr.NewDefaultLimiter() | ||
| limiter.SystemLimits = limiter.SystemLimits.WithConnLimit(1024, 3, 1024) | ||
| limiter.DefaultPeerLimits = limiter.DefaultPeerLimits.WithConnLimit(16, 1, 16) | ||
| echos := createEchos(t, 5, makeRcmgrOption(t, limiter)) | ||
| defer closeEchos(echos) | ||
|
|
||
| for i := 1; i < 4; i++ { | ||
| err := echos[0].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[i].Host.ID()}) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| time.Sleep(10 * time.Millisecond) | ||
| } | ||
|
|
||
| for i := 1; i < 4; i++ { | ||
| count := len(echos[i].Host.Network().ConnsToPeer(echos[0].Host.ID())) | ||
| if count != 1 { | ||
| t.Fatalf("expected %d connections to peer, got %d", 1, count) | ||
| } | ||
| } | ||
|
|
||
| err := echos[0].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[4].Host.ID()}) | ||
| if err == nil { | ||
| t.Fatal("expected ResourceManager to block incoming connection") | ||
| } | ||
| } | ||
|
|
||
| func TestResourceManagerServiceInbound(t *testing.T) { | ||
| // this test checks that we can not exceed the inbound stream limit at service level | ||
| // we specify: 3 streams for the service, and we try to create 4 streams | ||
| limiter := rcmgr.NewDefaultLimiter() | ||
| limiter.DefaultServiceLimits = limiter.DefaultServiceLimits.WithStreamLimit(3, 1024, 1024) | ||
| echos := createEchos(t, 5, makeRcmgrOption(t, limiter)) | ||
| defer closeEchos(echos) | ||
|
|
||
| ready := new(chan struct{}) | ||
| echos[0].BeforeDone = waitForChannel(ready, time.Minute) | ||
|
|
||
| for i := 1; i < 5; i++ { | ||
| err := echos[i].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[0].Host.ID()}) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| time.Sleep(10 * time.Millisecond) | ||
| } | ||
|
|
||
| *ready = make(chan struct{}) | ||
|
|
||
| var once sync.Once | ||
| var wg sync.WaitGroup | ||
| for i := 1; i < 5; i++ { | ||
| wg.Add(1) | ||
| go func(i int) { | ||
| defer wg.Done() | ||
|
|
||
| err := echos[i].Echo(echos[0].Host.ID(), "hello libp2p") | ||
| if err != nil { | ||
| t.Log(err) | ||
| once.Do(func() { | ||
| close(*ready) | ||
| }) | ||
| } | ||
| }(i) | ||
| } | ||
| wg.Wait() | ||
|
|
||
| checkEchoStatus(t, echos[0], EchoStatus{ | ||
| StreamsIn: 4, | ||
| EchosIn: 3, | ||
| EchosOut: 3, | ||
| ResourceServiceErrors: 1, | ||
| }) | ||
| } | ||
|
|
||
| func TestResourceManagerServicePeerInbound(t *testing.T) { | ||
| // this test checks that we cannot exceed the per peer inbound stream limit at service level | ||
| // we specify: 2 streams per peer for echo, and we try to create 3 streams | ||
| limiter := rcmgr.NewDefaultLimiter() | ||
| limiter.ServicePeerLimits = map[string]rcmgr.Limit{ | ||
| EchoService: limiter.DefaultPeerLimits.WithStreamLimit(2, 1024, 1024), | ||
| } | ||
| echos := createEchos(t, 5, makeRcmgrOption(t, limiter)) | ||
| defer closeEchos(echos) | ||
|
|
||
| count := new(int32) | ||
| ready := new(chan struct{}) | ||
| echos[0].BeforeDone = waitForBarrier(count, ready, time.Minute) | ||
|
|
||
| for i := 1; i < 5; i++ { | ||
| err := echos[i].Host.Connect(context.Background(), peer.AddrInfo{ID: echos[0].Host.ID()}) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| time.Sleep(10 * time.Millisecond) | ||
| } | ||
|
|
||
| *count = 4 | ||
| *ready = make(chan struct{}) | ||
|
|
||
| var wg sync.WaitGroup | ||
| for i := 1; i < 5; i++ { | ||
| wg.Add(1) | ||
| go func(i int) { | ||
| defer wg.Done() | ||
|
|
||
| err := echos[i].Echo(echos[0].Host.ID(), "hello libp2p") | ||
| if err != nil { | ||
| t.Log(err) | ||
| } | ||
| }(i) | ||
| } | ||
| wg.Wait() | ||
|
|
||
| checkEchoStatus(t, echos[0], EchoStatus{ | ||
| StreamsIn: 4, | ||
| EchosIn: 4, | ||
| EchosOut: 4, | ||
| ResourceServiceErrors: 0, | ||
| }) | ||
|
|
||
| *ready = make(chan struct{}) | ||
| echos[0].BeforeDone = waitForChannel(ready, time.Minute) | ||
|
|
||
| var once sync.Once | ||
| for i := 0; i < 3; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
|
|
||
| err := echos[2].Echo(echos[0].Host.ID(), "hello libp2p") | ||
| if err != nil { | ||
| t.Log(err) | ||
| once.Do(func() { | ||
| close(*ready) | ||
| }) | ||
| } | ||
| }() | ||
| } | ||
| wg.Wait() | ||
|
|
||
| checkEchoStatus(t, echos[0], EchoStatus{ | ||
| StreamsIn: 7, | ||
| EchosIn: 6, | ||
| EchosOut: 6, | ||
| ResourceServiceErrors: 1, | ||
| }) | ||
| } | ||
|
|
||
| func waitForBarrier(count *int32, ready *chan struct{}, timeout time.Duration) func() error { | ||
| return func() error { | ||
| if atomic.AddInt32(count, -1) == 0 { | ||
| close(*ready) | ||
| } | ||
|
|
||
| select { | ||
| case <-*ready: | ||
| return nil | ||
| case <-time.After(timeout): | ||
| return fmt.Errorf("timeout") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func waitForChannel(ready *chan struct{}, timeout time.Duration) func() error { | ||
| return func() error { | ||
| select { | ||
| case <-*ready: | ||
| return nil | ||
| case <-time.After(timeout): | ||
| return fmt.Errorf("timeout") | ||
| } | ||
| } | ||
| } |