PipelineContext

interface PipelineContext<TSubject : Any, TContext : Any> : 
    CoroutineScope

Represents running execution of a pipeline

Properties

context

abstract val context: TContext

Object representing context in which pipeline executes

subject

abstract val subject: TSubject

Subject of this pipeline execution that goes along the pipeline

Functions

finish

abstract fun finish(): Unit

Finishes current pipeline execution

proceed

abstract suspend fun proceed(): TSubject

Continues execution of the pipeline with the same subject

proceedWith

abstract suspend fun proceedWith(subject: TSubject): TSubject

Continues execution of the pipeline with the given subject

Extension Properties

application

Current application for the context

call

Current call for the context

locations

Gets the Application.locations feature

Extension Functions

decodeChunked

fun CoroutineScope.decodeChunked(
    input: ByteReadChannel
): DecoderJob
fun CoroutineScope.decodeChunked(
    input: ByteReadChannel,
    contentLength: Long
): DecoderJob

Start a chunked stream decoder coroutine

embeddedServer

fun <TEngine : ApplicationEngine, TConfiguration : Configuration> CoroutineScope.embeddedServer(
    factory: ApplicationEngineFactory<TEngine, TConfiguration>,
    port: Int = 80,
    host: String = "0.0.0.0",
    watchPaths: List<String> = emptyList(),
    parentCoroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    configure: TConfiguration.() -> Unit = {},
    module: Application.() -> Unit
): TEngine

Creates an embedded server with the given factory, listening on host:port

href

fun PipelineContext<Unit, ApplicationCall>.href(
    location: Any
): String

Renders link to a location using current installed locations service

httpServer

fun CoroutineScope.httpServer(
    settings: HttpServerSettings,
    handler: HttpRequestHandler
): HttpServer

Start an http server with settings invoking handler for every request

httpServer

fun CoroutineScope.httpServer(
    settings: HttpServerSettings,
    handler: suspend CoroutineScope.(request: Request, input: ByteReadChannel, output: ByteWriteChannel, upgraded: CompletableDeferred<Boolean>?) -> Unit
): HttpServer

Start an http server with settings invoking handler for every request

mapEngineExceptions

fun CoroutineScope.mapEngineExceptions(
    input: ByteReadChannel,
    request: HttpRequestData
): ByteReadChannel

Returns ByteReadChannel with ByteChannel.close handler that returns SocketTimeoutException instead of SocketTimeoutException.

fun CoroutineScope.mapEngineExceptions(
    output: ByteWriteChannel,
    request: HttpRequestData
): ByteWriteChannel

Returns ByteWriteChannel with ByteChannel.close handler that returns SocketTimeoutException instead of SocketTimeoutException.

oauth

suspend fun PipelineContext<Unit, ApplicationCall>.oauth(
    client: HttpClient,
    dispatcher: CoroutineDispatcher,
    providerLookup: ApplicationCall.() -> OAuthServerSettings?,
    urlProvider: ApplicationCall.(OAuthServerSettings) -> String
): Unit

Install both OAuth1a and OAuth2 authentication helpers that do redirect to OAuth server authorization page and handle corresponding callbacks

oauthHandleCallback

suspend fun PipelineContext<Unit, ApplicationCall>.oauthHandleCallback(
    client: HttpClient,
    dispatcher: CoroutineDispatcher,
    provider: OAuthServerSettings,
    callbackUrl: String,
    loginPageUrl: String,
    configure: HttpRequestBuilder.() -> Unit = {},
    block: suspend (OAuthAccessTokenResponse) -> Unit
): Unit

Handle OAuth callback

oauthRespondRedirect

suspend fun PipelineContext<Unit, ApplicationCall>.oauthRespondRedirect(
    client: HttpClient,
    dispatcher: CoroutineDispatcher,
    provider: OAuthServerSettings,
    callbackUrl: String
): Unit

Respond OAuth redirect

parseMultipart

fun CoroutineScope.parseMultipart(
    input: ByteReadChannel,
    headers: HttpHeadersMap
): ReceiveChannel<MultipartEvent>
fun CoroutineScope.parseMultipart(
    input: ByteReadChannel,
    contentType: CharSequence,
    contentLength: Long?
): ReceiveChannel<MultipartEvent>
fun CoroutineScope.parseMultipart(
    boundaryPrefixed: ByteBuffer,
    input: ByteReadChannel,
    totalLength: Long?
): ReceiveChannel<MultipartEvent>

Starts a multipart parser coroutine producing multipart events

pinger

fun CoroutineScope.pinger(
    outgoing: SendChannel<Frame>,
    period: Duration,
    timeout: Duration,
    pool: ObjectPool<ByteBuffer> = KtorDefaultPool
): SendChannel<Pong>

Launch pinger coroutine on CoroutineScope that is sending ping every specified period to outgoing channel, waiting for and verifying client’s pong frames. It is also handling timeout and sending timeout close frame

fun CoroutineScope.pinger(
    outgoing: SendChannel<Frame>,
    periodMillis: Long,
    timeoutMillis: Long,
    pool: ObjectPool<ByteBuffer> = KtorDefaultPool
): SendChannel<Pong>

Launch pinger coroutine on CoroutineScope that is sending ping every specified periodMillis to outgoing channel, waiting for and verifying client’s pong frames. It is also handling timeoutMillis and sending timeout close frame

pinger

fun CoroutineScope.pinger(
    outgoing: SendChannel<Frame>,
    period: <ERROR CLASS>,
    timeout: <ERROR CLASS>,
    pool: ObjectPool<ByteBuffer> = KtorDefaultPool
): SendChannel<Pong>

Launch pinger coroutine on CoroutineScope that is sending ping every specified period to outgoing channel, waiting for and verifying client’s pong frames. It is also handling timeout and sending timeout close frame

ponger

fun CoroutineScope.ponger(
    outgoing: SendChannel<Pong>,
    pool: ObjectPool<ByteBuffer> = KtorDefaultPool
): SendChannel<Ping>

Launch a ponger actor job on the CoroutineScope sending pongs to outgoing channel. It is acting for every client’s ping frame and replying with corresponding pong

reader

fun CoroutineScope.reader(
    coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    channel: ByteChannel,
    block: suspend ReaderScope.() -> Unit
): ReaderJob
fun CoroutineScope.reader(
    coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    autoFlush: Boolean = false,
    block: suspend ReaderScope.() -> Unit
): ReaderJob

startConnectionPipeline

fun CoroutineScope.startConnectionPipeline(
    input: ByteReadChannel,
    output: ByteWriteChannel,
    timeout: WeakTimeoutQueue,
    handler: suspend CoroutineScope.(request: Request, input: ByteReadChannel, output: ByteWriteChannel, upgraded: CompletableDeferred<Boolean>?) -> Unit
): Job

Start connection HTTP pipeline invoking handler for every request. Note that handler could be invoked multiple times concurrently due to HTTP pipeline nature

startServerConnectionPipeline

fun CoroutineScope.startServerConnectionPipeline(
    connection: ServerIncomingConnection,
    timeout: WeakTimeoutQueue,
    handler: HttpRequestHandler
): Job

Start connection HTTP pipeline invoking handler for every request. Note that handler could be invoked multiple times concurrently due to HTTP pipeline nature

transformDefaultContent

fun PipelineContext<Any, ApplicationCall>.transformDefaultContent(
    value: Any
): OutgoingContent?

Default outgoing content transformation

writeMultipleRanges

fun CoroutineScope.writeMultipleRanges(
    channelProducer: (LongRange) -> ByteReadChannel,
    ranges: List<LongRange>,
    fullLength: Long?,
    boundary: String,
    contentType: String
): ByteReadChannel

Start multirange response writer coroutine

writer

fun CoroutineScope.writer(
    coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    channel: ByteChannel,
    block: suspend WriterScope.() -> Unit
): WriterJob
fun CoroutineScope.writer(
    coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    autoFlush: Boolean = false,
    block: suspend WriterScope.() -> Unit
): WriterJob