Packages

  • package root
    Definition Classes
    root
  • package com
    Definition Classes
    root
  • package twitter

    Start with com.twitter.finagle.

    Definition Classes
    com
  • package finagle

    Finagle is an extensible RPC system.

    Finagle is an extensible RPC system.

    Services are represented by class com.twitter.finagle.Service. Clients make use of com.twitter.finagle.Service objects while servers implement them.

    Finagle contains a number of protocol implementations; each of these implement Client and/or com.twitter.finagle.Server. For example, Finagle's HTTP implementation, com.twitter.finagle.Http (in package finagle-http), exposes both.

    Thus a simple HTTP server is built like this:

    import com.twitter.finagle.{Http, Service}
    import com.twitter.finagle.http.{Request, Response}
    import com.twitter.util.{Await, Future}
    
    val service = new Service[Request, Response] {
      def apply(req: Request): Future[Response] =
        Future.value(Response())
    }
    val server = Http.server.serve(":8080", service)
    Await.ready(server)

    We first define a service to which requests are dispatched. In this case, the service returns immediately with a HTTP 200 OK response, and with no content.

    This service is then served via the Http protocol on TCP port 8080. Finally we wait for the server to stop serving.

    We can now query our web server:

    % curl -D - localhost:8080
    HTTP/1.1 200 OK

    Building an HTTP client is also simple. (Note that type annotations are added for illustration.)

    import com.twitter.finagle.{Http, Service}
    import com.twitter.finagle.http.{Request, Response}
    import com.twitter.util.{Future, Return, Throw}
    
    val client: Service[Request, Response] = Http.client.newService("localhost:8080")
    val f: Future[Response] = client(Request()).respond {
      case Return(rep) =>
        printf("Got HTTP response %s\n", rep)
      case Throw(exc) =>
        printf("Got error %s\n", exc)
    }

    Http.client.newService("localhost:8080") constructs a new com.twitter.finagle.Service instance connected to localhost TCP port 8080. We then issue a HTTP/1.1 GET request to URI "/". The service returns a com.twitter.util.Future representing the result of the operation. We listen to this future, printing an appropriate message when the response arrives.

    The Finagle homepage contains useful documentation and resources for using Finagle.

    Definition Classes
    twitter
  • package http
    Definition Classes
    finagle
  • object SpnegoAuthenticator

    A SPNEGO HTTP authenticator as defined in https://tools.ietf.org/html/rfc4559, which gets its credentials from a provided CredentialSource...

    A SPNEGO HTTP authenticator as defined in https://tools.ietf.org/html/rfc4559, which gets its credentials from a provided CredentialSource... usually JAAS.

    Definition Classes
    http
  • object Credentials
    Definition Classes
    SpnegoAuthenticator
  • ClientSource
  • JAAS
  • JAASClientSource
  • JAASServerSource
  • ServerSource

trait JAAS extends AnyRef

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  1. JAAS
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Abstract Value Members

  1. abstract def createGSSContext(): GSSContext

    Called while running with the privileges of the given loginContext.

    Called while running with the privileges of the given loginContext.

    Attributes
    protected
  2. abstract val loginContext: String

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  8. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  10. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  12. final def isLoginValid(portal: Option[LoginContext]): Boolean

    Check to see if the login has expired by finding the expiration date of the TGT and comparing it with the current time (with a 1 minute buffer).

    Check to see if the login has expired by finding the expiration date of the TGT and comparing it with the current time (with a 1 minute buffer).

    Attributes
    protected
  13. def lifetime: Int
    Attributes
    protected
  14. def load(): Future[GSSContext]
  15. def manager: GSSManager
    Attributes
    protected
  16. def mechanism: Oid
    Attributes
    protected
  17. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  18. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  19. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  20. def pool: FuturePool
    Attributes
    protected
  21. def selfPrincipal: Option[GSSName]

    A processes' own principal is usually specified via {{sun.security.krb5.principal}}.

    A processes' own principal is usually specified via {{sun.security.krb5.principal}}.

    Attributes
    protected
  22. final def subjectDoAction[T](action: PrivilegedAction[T]): T

    Do a privileged action using the subject of the current login context.

    Do a privileged action using the subject of the current login context.

    Attributes
    protected
  23. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  24. def toString(): String
    Definition Classes
    AnyRef → Any
  25. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  26. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  27. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @throws( ... )

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