io.ktor.server.servlet / ServletUpgradeHandler

ServletUpgradeHandler

class ServletUpgradeHandler : 
    HttpUpgradeHandler,
    CoroutineScope

Constructors

<init>
ServletUpgradeHandler()

Properties

coroutineContext
val coroutineContext: <ERROR CLASS>

up
lateinit var up: UpgradeRequest

upgradeJob
lateinit var upgradeJob: CompletableJob

Functions

destroy
fun destroy(): Unit

init
fun init(webConnection: WebConnection?): Unit

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> = listOf(WORKING_DIRECTORY_PATH),
    parentCoroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
    configure: TConfiguration.() -> Unit = {},
    module: Application.() -> Unit
): TEngine

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

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.

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

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