mirror of
https://github.com/swift-server/async-http-client.git
synced 2026-06-02 07:37:34 +00:00
Cory BenfieldandGitHub
e4fded76ac
Motivation: Users of the HTTPClientResponseDelegate expect that the event loop futures returned from didReceiveHead and didReceiveBodyPart can be used to exert backpressure. To be fair to them, they somewhat can. However, the TaskHandler has a bit of a misunderstanding about how NIO backpressure works, and does not correctly manage the buffer of inbound data. The result of this misunderstanding is that multiple calls to didReceiveBodyPart and didReceiveHead can be outstanding at once. This would likely lead to severe bugs in most delegates, as they do not expect it. We should make things work the way delegate implementers believe it works. Modifications: - Added a buffer to the TaskHandler to avoid delivering data that the delegate is not ready for. - Added a new "pending close" state that keeps track of a state where the TaskHandler has received .end but not yet delivered it to the delegate. This allows better error management. - Added some more tests. - Documented our backpressure commitments. Result: Better respect for backpressure. Resolves #348
139 lines
9.4 KiB
Swift
139 lines
9.4 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the AsyncHTTPClient open source project
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//
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// Copyright (c) 2018-2019 Apple Inc. and the AsyncHTTPClient project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of AsyncHTTPClient project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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//
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// HTTPClientTests+XCTest.swift
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//
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import XCTest
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///
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/// NOTE: This file was generated by generate_linux_tests.rb
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///
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/// Do NOT edit this file directly as it will be regenerated automatically when needed.
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///
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extension HTTPClientTests {
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static var allTests: [(String, (HTTPClientTests) -> () throws -> Void)] {
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return [
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("testRequestURI", testRequestURI),
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("testBadRequestURI", testBadRequestURI),
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("testSchemaCasing", testSchemaCasing),
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("testURLSocketPathInitializers", testURLSocketPathInitializers),
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("testConvenienceExecuteMethods", testConvenienceExecuteMethods),
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("testConvenienceExecuteMethodsOverSocket", testConvenienceExecuteMethodsOverSocket),
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("testConvenienceExecuteMethodsOverSecureSocket", testConvenienceExecuteMethodsOverSecureSocket),
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("testGet", testGet),
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("testGetWithDifferentEventLoopBackpressure", testGetWithDifferentEventLoopBackpressure),
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("testPost", testPost),
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("testGetHttps", testGetHttps),
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("testGetHttpsWithIP", testGetHttpsWithIP),
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("testPostHttps", testPostHttps),
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("testHttpRedirect", testHttpRedirect),
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("testHttpHostRedirect", testHttpHostRedirect),
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("testPercentEncoded", testPercentEncoded),
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("testPercentEncodedBackslash", testPercentEncodedBackslash),
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("testMultipleContentLengthHeaders", testMultipleContentLengthHeaders),
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("testStreaming", testStreaming),
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("testFileDownload", testFileDownload),
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("testFileDownloadError", testFileDownloadError),
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("testRemoteClose", testRemoteClose),
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("testReadTimeout", testReadTimeout),
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("testConnectTimeout", testConnectTimeout),
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("testDeadline", testDeadline),
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("testCancel", testCancel),
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("testStressCancel", testStressCancel),
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("testHTTPClientAuthorization", testHTTPClientAuthorization),
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("testProxyPlaintext", testProxyPlaintext),
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("testProxyTLS", testProxyTLS),
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("testProxyPlaintextWithCorrectlyAuthorization", testProxyPlaintextWithCorrectlyAuthorization),
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("testProxyPlaintextWithIncorrectlyAuthorization", testProxyPlaintextWithIncorrectlyAuthorization),
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("testUploadStreaming", testUploadStreaming),
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("testNoContentLengthForSSLUncleanShutdown", testNoContentLengthForSSLUncleanShutdown),
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("testNoContentLengthWithIgnoreErrorForSSLUncleanShutdown", testNoContentLengthWithIgnoreErrorForSSLUncleanShutdown),
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("testCorrectContentLengthForSSLUncleanShutdown", testCorrectContentLengthForSSLUncleanShutdown),
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("testNoContentForSSLUncleanShutdown", testNoContentForSSLUncleanShutdown),
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("testNoResponseForSSLUncleanShutdown", testNoResponseForSSLUncleanShutdown),
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("testNoResponseWithIgnoreErrorForSSLUncleanShutdown", testNoResponseWithIgnoreErrorForSSLUncleanShutdown),
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("testWrongContentLengthForSSLUncleanShutdown", testWrongContentLengthForSSLUncleanShutdown),
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("testWrongContentLengthWithIgnoreErrorForSSLUncleanShutdown", testWrongContentLengthWithIgnoreErrorForSSLUncleanShutdown),
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("testEventLoopArgument", testEventLoopArgument),
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("testDecompression", testDecompression),
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("testDecompressionLimit", testDecompressionLimit),
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("testLoopDetectionRedirectLimit", testLoopDetectionRedirectLimit),
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("testCountRedirectLimit", testCountRedirectLimit),
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("testMultipleConcurrentRequests", testMultipleConcurrentRequests),
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("testWorksWith500Error", testWorksWith500Error),
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("testWorksWithHTTP10Response", testWorksWithHTTP10Response),
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("testWorksWhenServerClosesConnectionAfterReceivingRequest", testWorksWhenServerClosesConnectionAfterReceivingRequest),
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("testSubsequentRequestsWorkWithServerSendingConnectionClose", testSubsequentRequestsWorkWithServerSendingConnectionClose),
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("testSubsequentRequestsWorkWithServerAlternatingBetweenKeepAliveAndClose", testSubsequentRequestsWorkWithServerAlternatingBetweenKeepAliveAndClose),
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("testStressGetHttps", testStressGetHttps),
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("testStressGetHttpsSSLError", testStressGetHttpsSSLError),
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("testFailingConnectionIsReleased", testFailingConnectionIsReleased),
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("testResponseDelayGet", testResponseDelayGet),
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("testIdleTimeoutNoReuse", testIdleTimeoutNoReuse),
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("testStressGetClose", testStressGetClose),
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("testManyConcurrentRequestsWork", testManyConcurrentRequestsWork),
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("testRepeatedRequestsWorkWhenServerAlwaysCloses", testRepeatedRequestsWorkWhenServerAlwaysCloses),
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("testShutdownBeforeTasksCompletion", testShutdownBeforeTasksCompletion),
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("testUncleanShutdownActuallyShutsDown", testUncleanShutdownActuallyShutsDown),
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("testUncleanShutdownCancelsTasks", testUncleanShutdownCancelsTasks),
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("testDoubleShutdown", testDoubleShutdown),
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("testTaskFailsWhenClientIsShutdown", testTaskFailsWhenClientIsShutdown),
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("testRaceNewRequestsVsShutdown", testRaceNewRequestsVsShutdown),
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("testVaryingLoopPreference", testVaryingLoopPreference),
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("testMakeSecondRequestDuringCancelledCallout", testMakeSecondRequestDuringCancelledCallout),
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("testMakeSecondRequestDuringSuccessCallout", testMakeSecondRequestDuringSuccessCallout),
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("testMakeSecondRequestWhilstFirstIsOngoing", testMakeSecondRequestWhilstFirstIsOngoing),
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("testUDSBasic", testUDSBasic),
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("testUDSSocketAndPath", testUDSSocketAndPath),
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("testHTTPPlusUNIX", testHTTPPlusUNIX),
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("testHTTPSPlusUNIX", testHTTPSPlusUNIX),
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("testUseExistingConnectionOnDifferentEL", testUseExistingConnectionOnDifferentEL),
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("testWeRecoverFromServerThatClosesTheConnectionOnUs", testWeRecoverFromServerThatClosesTheConnectionOnUs),
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("testPoolClosesIdleConnections", testPoolClosesIdleConnections),
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("testRacePoolIdleConnectionsAndGet", testRacePoolIdleConnectionsAndGet),
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("testAvoidLeakingTLSHandshakeCompletionPromise", testAvoidLeakingTLSHandshakeCompletionPromise),
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("testAsyncShutdown", testAsyncShutdown),
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("testAsyncShutdownDefaultQueue", testAsyncShutdownDefaultQueue),
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("testValidationErrorsAreSurfaced", testValidationErrorsAreSurfaced),
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("testUploadsReallyStream", testUploadsReallyStream),
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("testUploadStreamingCallinToleratedFromOtsideEL", testUploadStreamingCallinToleratedFromOtsideEL),
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("testWeHandleUsSendingACloseHeaderCorrectly", testWeHandleUsSendingACloseHeaderCorrectly),
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("testWeHandleUsReceivingACloseHeaderCorrectly", testWeHandleUsReceivingACloseHeaderCorrectly),
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("testWeHandleUsSendingACloseHeaderAmongstOtherConnectionHeadersCorrectly", testWeHandleUsSendingACloseHeaderAmongstOtherConnectionHeadersCorrectly),
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("testWeHandleUsReceivingACloseHeaderAmongstOtherConnectionHeadersCorrectly", testWeHandleUsReceivingACloseHeaderAmongstOtherConnectionHeadersCorrectly),
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("testLoggingCorrectlyAttachesRequestInformation", testLoggingCorrectlyAttachesRequestInformation),
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("testNothingIsLoggedAtInfoOrHigher", testNothingIsLoggedAtInfoOrHigher),
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("testAllMethodsLog", testAllMethodsLog),
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("testClosingIdleConnectionsInPoolLogsInTheBackground", testClosingIdleConnectionsInPoolLogsInTheBackground),
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("testUploadStreamingNoLength", testUploadStreamingNoLength),
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("testConnectErrorPropagatedToDelegate", testConnectErrorPropagatedToDelegate),
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("testDelegateCallinsTolerateRandomEL", testDelegateCallinsTolerateRandomEL),
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("testContentLengthTooLongFails", testContentLengthTooLongFails),
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("testContentLengthTooShortFails", testContentLengthTooShortFails),
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("testBodyUploadAfterEndFails", testBodyUploadAfterEndFails),
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("testNoBytesSentOverBodyLimit", testNoBytesSentOverBodyLimit),
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("testDoubleError", testDoubleError),
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("testSSLHandshakeErrorPropagation", testSSLHandshakeErrorPropagation),
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("testSSLHandshakeErrorPropagationDelayedClose", testSSLHandshakeErrorPropagationDelayedClose),
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("testWeCloseConnectionsWhenConnectionCloseSetByServer", testWeCloseConnectionsWhenConnectionCloseSetByServer),
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("testBiDirectionalStreaming", testBiDirectionalStreaming),
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("testSynchronousHandshakeErrorReporting", testSynchronousHandshakeErrorReporting),
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("testFileDownloadChunked", testFileDownloadChunked),
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("testCloseWhileBackpressureIsExertedIsFine", testCloseWhileBackpressureIsExertedIsFine),
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("testErrorAfterCloseWhileBackpressureExerted", testErrorAfterCloseWhileBackpressureExerted),
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]
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}
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}
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