mirror of
https://github.com/moby/moby.git
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303ed3c830
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
150 lines
2.9 KiB
Go
150 lines
2.9 KiB
Go
package portallocator
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import (
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"github.com/dotcloud/docker/pkg/collections"
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"testing"
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)
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func reset() {
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lock.Lock()
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defer lock.Unlock()
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allocatedPorts = portMappings{}
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availablePorts = portMappings{}
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allocatedPorts["udp"] = collections.NewOrderedIntSet()
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availablePorts["udp"] = collections.NewOrderedIntSet()
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allocatedPorts["tcp"] = collections.NewOrderedIntSet()
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availablePorts["tcp"] = collections.NewOrderedIntSet()
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}
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func TestRequestNewPort(t *testing.T) {
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defer reset()
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port, err := RequestPort("tcp", 0)
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if err != nil {
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t.Fatal(err)
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}
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if expected := BeginPortRange; port != expected {
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t.Fatalf("Expected port %d got %d", expected, port)
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}
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}
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func TestRequestSpecificPort(t *testing.T) {
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defer reset()
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port, err := RequestPort("tcp", 5000)
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if err != nil {
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t.Fatal(err)
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}
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if port != 5000 {
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t.Fatalf("Expected port 5000 got %d", port)
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}
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}
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func TestReleasePort(t *testing.T) {
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defer reset()
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port, err := RequestPort("tcp", 5000)
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if err != nil {
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t.Fatal(err)
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}
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if port != 5000 {
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t.Fatalf("Expected port 5000 got %d", port)
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}
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if err := ReleasePort("tcp", 5000); err != nil {
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t.Fatal(err)
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}
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}
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func TestReuseReleasedPort(t *testing.T) {
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defer reset()
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port, err := RequestPort("tcp", 5000)
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if err != nil {
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t.Fatal(err)
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}
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if port != 5000 {
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t.Fatalf("Expected port 5000 got %d", port)
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}
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if err := ReleasePort("tcp", 5000); err != nil {
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t.Fatal(err)
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}
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port, err = RequestPort("tcp", 5000)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestReleaseUnreadledPort(t *testing.T) {
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defer reset()
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port, err := RequestPort("tcp", 5000)
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if err != nil {
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t.Fatal(err)
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}
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if port != 5000 {
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t.Fatalf("Expected port 5000 got %d", port)
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}
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port, err = RequestPort("tcp", 5000)
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if err != ErrPortAlreadyAllocated {
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t.Fatalf("Expected error %s got %s", ErrPortAlreadyAllocated, err)
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}
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}
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func TestUnknowProtocol(t *testing.T) {
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defer reset()
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if _, err := RequestPort("tcpp", 0); err != ErrUnknownProtocol {
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t.Fatalf("Expected error %s got %s", ErrUnknownProtocol, err)
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}
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}
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func TestAllocateAllPorts(t *testing.T) {
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defer reset()
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for i := 0; i <= EndPortRange-BeginPortRange; i++ {
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port, err := RequestPort("tcp", 0)
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if err != nil {
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t.Fatal(err)
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}
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if expected := BeginPortRange + i; port != expected {
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t.Fatalf("Expected port %d got %d", expected, port)
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}
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}
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if _, err := RequestPort("tcp", 0); err != ErrPortExceedsRange {
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t.Fatalf("Expected error %s got %s", ErrPortExceedsRange, err)
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}
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_, err := RequestPort("udp", 0)
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if err != nil {
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t.Fatal(err)
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}
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}
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func BenchmarkAllocatePorts(b *testing.B) {
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defer reset()
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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for i := 0; i <= EndPortRange-BeginPortRange; i++ {
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port, err := RequestPort("tcp", 0)
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if err != nil {
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b.Fatal(err)
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}
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if expected := BeginPortRange + i; port != expected {
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b.Fatalf("Expected port %d got %d", expected, port)
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}
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}
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reset()
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}
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b.StopTimer()
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}
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