final class Tcp extends Extension
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- new Tcp(system: ExtendedActorSystem)
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- def bind(interface: String, port: Int, backlog: Int = defaultBacklog, options: Traversable[SocketOption] = Nil, halfClose: Boolean = false, idleTimeout: Duration = Duration.Inf): Source[IncomingConnection, Future[ServerBinding]]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
.Please note that the startup of the server is asynchronous, i.e. after materializing the enclosing akka.stream.scaladsl.RunnableGraph the server is not immediately available. Only after the materialized future completes is the server ready to accept client connections.
- interface
The interface to listen on
- port
The port to listen on
- backlog
Controls the size of the connection backlog
- options
TCP options for the connections, see akka.io.Tcp for details
- halfClose
Controls whether the connection is kept open even after writing has been completed to the accepted TCP connections. If set to true, the connection will implement the TCP half-close mechanism, allowing the client to write to the connection even after the server has finished writing. The TCP socket is only closed after both the client and server finished writing. If set to false, the connection will immediately closed once the server closes its write side, independently whether the client is still attempting to write. This setting is recommended for servers, and therefore it is the default setting.
- def bindAndHandle(handler: Flow[ByteString, ByteString, _], interface: String, port: Int, backlog: Int = defaultBacklog, options: Traversable[SocketOption] = Nil, halfClose: Boolean = false, idleTimeout: Duration = Duration.Inf)(implicit m: Materializer): Future[ServerBinding]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
handling the incoming connections using the provided Flow.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
handling the incoming connections using the provided Flow.Please note that the startup of the server is asynchronous, i.e. after materializing the enclosing akka.stream.scaladsl.RunnableGraph the server is not immediately available. Only after the returned future completes is the server ready to accept client connections.
- handler
A Flow that represents the server logic
- interface
The interface to listen on
- port
The port to listen on
- backlog
Controls the size of the connection backlog
- options
TCP options for the connections, see akka.io.Tcp for details
- halfClose
Controls whether the connection is kept open even after writing has been completed to the accepted TCP connections. If set to true, the connection will implement the TCP half-close mechanism, allowing the client to write to the connection even after the server has finished writing. The TCP socket is only closed after both the client and server finished writing. If set to false, the connection will immediately closed once the server closes its write side, independently whether the client is still attempting to write. This setting is recommended for servers, and therefore it is the default setting.
- def bindAndHandleWithTls(handler: Flow[ByteString, ByteString, _], interface: String, port: Int, createSSLEngine: () => SSLEngine, backlog: Int, options: Seq[SocketOption], idleTimeout: Duration, verifySession: (SSLSession) => Try[Unit], closing: TLSClosing)(implicit m: Materializer): Future[ServerBinding]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
all incoming and outgoing bytes are passed through TLS and handling the incoming connections using the provided Flow.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
all incoming and outgoing bytes are passed through TLS and handling the incoming connections using the provided Flow.You specify a factory to create an SSLEngine that must already be configured for server mode and with all the parameters for the first session.
- See also
- def bindAndHandleWithTls(handler: Flow[ByteString, ByteString, _], interface: String, port: Int, createSSLEngine: () => SSLEngine)(implicit m: Materializer): Future[ServerBinding]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
all incoming and outgoing bytes are passed through TLS and handling the incoming connections using the provided Flow.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
all incoming and outgoing bytes are passed through TLS and handling the incoming connections using the provided Flow.You specify a factory to create an SSLEngine that must already be configured for server mode and with all the parameters for the first session.
- See also
- val bindShutdownTimeout: FiniteDuration
- def bindWithTls(interface: String, port: Int, createSSLEngine: () => SSLEngine, backlog: Int, options: Seq[SocketOption], idleTimeout: Duration, verifySession: (SSLSession) => Try[Unit], closing: TLSClosing): Source[IncomingConnection, Future[ServerBinding]]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
where all incoming and outgoing bytes are passed through TLS.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
where all incoming and outgoing bytes are passed through TLS.You specify a factory to create an SSLEngine that must already be configured for server mode and with all the parameters for the first session.
- See also
- def bindWithTls(interface: String, port: Int, createSSLEngine: () => SSLEngine): Source[IncomingConnection, Future[ServerBinding]]
Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
where all incoming and outgoing bytes are passed through TLS.Creates a Tcp.ServerBinding instance which represents a prospective TCP server binding on the given
endpoint
where all incoming and outgoing bytes are passed through TLS.You specify a factory to create an SSLEngine that must already be configured for server mode and with all the parameters for the first session.
- See also
- def clone(): AnyRef
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- @throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
- def ensuring(cond: (Tcp) => Boolean, msg: => Any): Tcp
- def ensuring(cond: (Tcp) => Boolean): Tcp
- def ensuring(cond: Boolean, msg: => Any): Tcp
- def ensuring(cond: Boolean): Tcp
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- def outgoingConnection(host: String, port: Int): Flow[ByteString, ByteString, Future[OutgoingConnection]]
Creates an Tcp.OutgoingConnection without specifying options.
Creates an Tcp.OutgoingConnection without specifying options. It represents a prospective TCP client connection to the given endpoint.
Note that the ByteString chunk boundaries are not retained across the network, to achieve application level chunks you have to introduce explicit framing in your streams, for example using the Framing operators.
- def outgoingConnection(remoteAddress: InetSocketAddress, localAddress: Option[InetSocketAddress] = None, options: Traversable[SocketOption] = Nil, halfClose: Boolean = true, connectTimeout: Duration = Duration.Inf, idleTimeout: Duration = Duration.Inf): Flow[ByteString, ByteString, Future[OutgoingConnection]]
Creates an Tcp.OutgoingConnection instance representing a prospective TCP client connection to the given endpoint.
Creates an Tcp.OutgoingConnection instance representing a prospective TCP client connection to the given endpoint.
Note that the ByteString chunk boundaries are not retained across the network, to achieve application level chunks you have to introduce explicit framing in your streams, for example using the Framing operators.
- remoteAddress
The remote address to connect to
- localAddress
Optional local address for the connection
- options
TCP options for the connections, see akka.io.Tcp for details
- halfClose
Controls whether the connection is kept open even after writing has been completed to the accepted TCP connections. If set to true, the connection will implement the TCP half-close mechanism, allowing the server to write to the connection even after the client has finished writing. The TCP socket is only closed after both the client and server finished writing. This setting is recommended for clients and therefore it is the default setting. If set to false, the connection will immediately closed once the client closes its write side, independently whether the server is still attempting to write.
- def outgoingConnectionWithTls(remoteAddress: InetSocketAddress, createSSLEngine: () => SSLEngine, localAddress: Option[InetSocketAddress], options: Seq[SocketOption], connectTimeout: Duration, idleTimeout: Duration, verifySession: (SSLSession) => Try[Unit], closing: TLSClosing): Flow[ByteString, ByteString, Future[OutgoingConnection]]
Creates an Tcp.OutgoingConnection with TLS.
Creates an Tcp.OutgoingConnection with TLS. The returned flow represents a TCP client connection to the given endpoint where all bytes in and out go through TLS.
You specify a factory to create an SSLEngine that must already be configured for client mode and with all the parameters for the first session.
- See also
- def outgoingConnectionWithTls(remoteAddress: InetSocketAddress, createSSLEngine: () => SSLEngine): Flow[ByteString, ByteString, Future[OutgoingConnection]]
Creates an Tcp.OutgoingConnection with TLS.
Creates an Tcp.OutgoingConnection with TLS. The returned flow represents a TCP client connection to the given endpoint where all bytes in and out go through TLS.
You specify a factory to create an SSLEngine that must already be configured for client mode and with all the parameters for the first session.
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- final def synchronized[T0](arg0: => T0): T0
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- Deprecated
(Since version 9)
- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from Tcp toStringFormat[Tcp] performed by method StringFormat in scala.Predef.
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- StringFormat
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(Since version 2.12.16) Use
formatString.format(value)
instead ofvalue.formatted(formatString)
, or use thef""
string interpolator. In Java 15 and later,formatted
resolves to the new method in String which has reversed parameters.
- def →[B](y: B): (Tcp, B)
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- This member is added by an implicit conversion from Tcp toArrowAssoc[Tcp] performed by method ArrowAssoc in scala.Predef.
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- Deprecated
(Since version 2.13.0) Use
->
instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.