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add BackpressureBuffer, see #3253

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- also make a Write’s “ack” be a Tcp.Event (to suit pipelines)
- add stress test for BackpressureBuffer
- add it to SslTlsSupportSpec
- add it to the docs
This commit is contained in:
Roland 2013-05-26 10:58:55 +02:00
parent 025a91ecc2
commit ea5b79e562
15 changed files with 764 additions and 248 deletions
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42
akka-actor-tests/src/test/scala/akka/io/TcpConnectionSpec.scala
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@ -140,7 +140,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
"write data to network (and acknowledge)" in new EstablishedConnectionTest() {
run {
object Ack
object Ack extends Event
val writer = TestProbe()
// directly acknowledge an empty write
@ -172,7 +172,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
"write data after not acknowledged data" in new EstablishedConnectionTest() {
run {
object Ack
object Ack extends Event
val writer = TestProbe()
writer.send(connectionActor, Write(ByteString(42.toByte)))
writer.expectNoMsg(500.millis)
@ -197,7 +197,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
// maximum of 100 MB
val size = math.min(testFile.length(), 100000000).toInt
object Ack
object Ack extends Event
val writer = TestProbe()
writer.send(connectionActor, WriteFile(testFile.getAbsolutePath, 0, size, Ack))
pullFromServerSide(size, 1000000)
@ -225,8 +225,8 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
"backpressure present.")
pending
ignoreIfWindows()
object Ack1
object Ack2
object Ack1 extends Event
object Ack2 extends Event
clientSideChannel.socket.setSendBufferSize(1024)
@ -281,7 +281,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
new EstablishedConnectionTest() with SmallRcvBuffer {
run {
// we should test here that a pending write command is properly finished first
object Ack
object Ack extends Event
// set an artificially small send buffer size so that the write is queued
// inside the connection actor
clientSideChannel.socket.setSendBufferSize(1024)
@ -343,7 +343,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
new EstablishedConnectionTest() with SmallRcvBuffer {
run {
// we should test here that a pending write command is properly finished first
object Ack
object Ack extends Event
// set an artificially small send buffer size so that the write is queued
// inside the connection actor
clientSideChannel.socket.setSendBufferSize(1024)
@ -376,7 +376,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
ignoreIfWindows()
// we should test here that a pending write command is properly finished first
object Ack
object Ack extends Event
// set an artificially small send buffer size so that the write is queued
// inside the connection actor
clientSideChannel.socket.setSendBufferSize(1024)
@ -423,7 +423,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
selector.send(connectionActor, ChannelReadable)
connectionHandler.expectMsg(PeerClosed)
object Ack
object Ack extends Event
connectionHandler.send(connectionActor, writeCmd(Ack))
pullFromServerSide(TestSize)
connectionHandler.expectMsg(Ack)
@ -441,7 +441,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
selector.send(connectionActor, ChannelReadable)
connectionHandler.expectMsg(PeerClosed)
object Ack
object Ack extends Event
connectionHandler.send(connectionActor, writeCmd(Ack))
pullFromServerSide(TestSize)
connectionHandler.expectMsg(Ack)
@ -571,8 +571,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
writer.expectMsg(Duration.Zero, WritingResumed)
// now write should work again
writer.send(connectionActor, writeCmd("works"))
writer.expectMsg("works")
object works extends Event
writer.send(connectionActor, writeCmd(works))
writer.expectMsg(works)
}
}
@ -606,8 +607,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
writer.expectMsg(1.second, WritingResumed)
// now write should work again
writer.send(connectionActor, writeCmd("works"))
writer.expectMsg("works")
object works extends Event
writer.send(connectionActor, writeCmd(works))
writer.expectMsg(works)
}
}
@ -638,8 +640,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
pullFromServerSide(TestSize * written)
// now write should work again
writer.send(connectionActor, writeCmd("works"))
writer.expectMsg("works")
object works extends Event
writer.send(connectionActor, writeCmd(works))
writer.expectMsg(works)
}
}
@ -663,8 +666,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
pullFromServerSide(TestSize * written)
// now write should work again
writer.send(connectionActor, writeCmd("works"))
writer.expectMsg("works")
object works extends Event
writer.send(connectionActor, writeCmd(works))
writer.expectMsg(works)
}
}
}
@ -767,7 +771,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
final val TestSize = 10000 // compile-time constant
def writeCmd(ack: AnyRef) =
def writeCmd(ack: Event) =
Write(ByteString(Array.fill[Byte](TestSize)(0)), ack)
def closeServerSideAndWaitForClientReadable(fullClose: Boolean = true): Unit = {