DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
1 line
No EOL
10 KiB
Text
1 line
No EOL
10 KiB
Text
{"version":3,"file":"TCPConnection.js","sourceRoot":"","sources":["../../../../../../../../front_end/models/trace/lantern/simulation/TCPConnection.ts"],"names":[],"mappings":"AAAA,4DAA4D;AAC5D,yEAAyE;AACzE,6BAA6B;AAmB7B,MAAM,yBAAyB,GAAG,EAAE,CAAC;AACrC,MAAM,gBAAgB,GAAG,IAAI,CAAC;AAE9B,MAAM,aAAa;IACjB,MAAM,CAAU;IAChB,GAAG,CAAU;IACb,EAAE,CAAU;IACZ,GAAG,CAAS;IACZ,UAAU,CAAS;IACnB,aAAa,CAAS;IACtB,iBAAiB,CAAS;IAC1B,yBAAyB,CAAS;IAElC,YAAY,GAAW,EAAE,UAAkB,EAAE,aAAa,GAAG,CAAC,EAAE,GAAG,GAAG,IAAI,EAAE,EAAE,GAAG,KAAK;QACpF,IAAI,CAAC,MAAM,GAAG,KAAK,CAAC;QACpB,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QACnC,IAAI,CAAC,iBAAiB,GAAG,yBAAyB,CAAC;QACnD,IAAI,CAAC,yBAAyB,GAAG,CAAC,CAAC;IACrC,CAAC;IAED,MAAM,CAAC,2BAA2B,CAAC,GAAW,EAAE,mBAA2B;QACzE,MAAM,mBAAmB,GAAG,IAAI,GAAG,GAAG,CAAC;QACvC,MAAM,iBAAiB,GAAG,gBAAgB,CAAC;QAC3C,MAAM,cAAc,GAAG,mBAAmB,GAAG,iBAAiB,CAAC;QAC/D,MAAM,mCAAmC,GAAG,cAAc,GAAG,CAAC,CAAC;QAC/D,OAAO,IAAI,CAAC,KAAK,CAAC,mBAAmB,GAAG,mCAAmC,CAAC,CAAC;IAC/E,CAAC;IAED,wCAAwC;QACtC,MAAM,cAAc,GAAG,IAAI,CAAC,UAAU,GAAG,CAAC,CAAC;QAC3C,MAAM,mBAAmB,GAAG,IAAI,CAAC,GAAG,GAAG,IAAI,CAAC;QAC5C,MAAM,iBAAiB,GAAG,cAAc,GAAG,mBAAmB,CAAC;QAC/D,OAAO,IAAI,CAAC,KAAK,CAAC,iBAAiB,GAAG,gBAAgB,CAAC,CAAC;IAC1D,CAAC;IAED,aAAa,CAAC,UAAkB;QAC9B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAED,mBAAmB,CAAC,UAAkB;QACpC,IAAI,CAAC,iBAAiB,GAAG,UAAU,CAAC;IACtC,CAAC;IAED,SAAS,CAAC,MAAe;QACvB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;IAED,IAAI;QACF,OAAO,IAAI,CAAC,EAAE,CAAC;IACjB,CAAC;IAED,IAAI,gBAAgB;QAClB,OAAO,IAAI,CAAC,iBAAiB,CAAC;IAChC,CAAC;IAED;;;OAGG;IACH,4BAA4B,CAAC,KAAa;QACxC,IAAI,CAAC,IAAI,CAAC,EAAE,EAAE,CAAC;YACb,OAAO;QACT,CAAC;QACD,IAAI,CAAC,yBAAyB,GAAG,KAAK,CAAC;IACzC,CAAC;IAED,KAAK;QACH,OAAO,MAAM,CAAC,MAAM,CAAC,IAAI,aAAa,CAAC,IAAI,CAAC,GAAG,EAAE,IAAI,CAAC,UAAU,CAAC,EAAE,IAAI,CAAC,CAAC;IAC3E,CAAC;IAED;;;;;;OAMG;IACH,qBAAqB,CAAC,eAAuB,EAAE,OAAyB;QACtE,MAAM,EAAC,kBAAkB,GAAG,CAAC,EAAE,mBAAmB,GAAG,QAAQ,EAAE,iBAAiB,GAAG,CAAC,EAAC,GAAG,OAAO,IAAI,EAAE,CAAC;QAEtG,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,EAAE,EAAE,CAAC;YAC3B,eAAe,IAAI,IAAI,CAAC,yBAAyB,CAAC;QACpD,CAAC;QACD,MAAM,aAAa,GAAG,IAAI,CAAC,GAAG,CAAC;QAC/B,MAAM,aAAa,GAAG,aAAa,GAAG,CAAC,CAAC;QACxC,MAAM,uBAAuB,GAAG,IAAI,CAAC,wCAAwC,EAAE,CAAC;QAEhF,IAAI,mBAAmB,GAAG,aAAa,CAAC;QACxC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC;YACjB,mBAAmB;gBACf,aAAa;gBACb,iBAAiB;oBACjB,MAAM;oBACN,aAAa;oBACb,UAAU;oBACV,aAAa;oBACb,wBAAwB;oBACxB,aAAa;oBACb,8GAA8G;oBAC9G,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACrC,CAAC;QAED,IAAI,UAAU,GAAG,IAAI,CAAC,IAAI,CAAC,mBAAmB,GAAG,aAAa,CAAC,CAAC;QAChE,IAAI,eAAe,GAAG,mBAAmB,GAAG,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QAC/E,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,EAAE,EAAE,CAAC;YAC3B,eAAe,GAAG,CAAC,CAAC;QACtB,CAAC;QAED,MAAM,kBAAkB,GAAG,IAAI,CAAC,GAAG,CAAC,eAAe,GAAG,kBAAkB,EAAE,CAAC,CAAC,CAAC;QAC7E,MAAM,2BAA2B,GAAG,mBAAmB,GAAG,kBAAkB,CAAC;QAE7E,IAAI,gBAAgB,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,iBAAiB,EAAE,uBAAuB,CAAC,CAAC;QACjF,IAAI,oBAAoB,GAAG,CAAC,CAAC;QAC7B,IAAI,kBAAkB,GAAG,CAAC,EAAE,CAAC;YAC3B,oBAAoB,GAAG,gBAAgB,GAAG,gBAAgB,CAAC;QAC7D,CAAC;aAAM,CAAC;YACN,UAAU,GAAG,CAAC,CAAC;QACjB,CAAC;QAED,IAAI,mBAAmB,GAAG,CAAC,CAAC;QAC5B,IAAI,cAAc,GAAG,eAAe,GAAG,oBAAoB,CAAC;QAC5D,OAAO,cAAc,GAAG,CAAC,IAAI,mBAAmB,IAAI,2BAA2B,EAAE,CAAC;YAChF,UAAU,EAAE,CAAC;YACb,mBAAmB,IAAI,aAAa,CAAC;YACrC,gBAAgB,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,uBAAuB,EAAE,gBAAgB,GAAG,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;YAExF,MAAM,uBAAuB,GAAG,gBAAgB,GAAG,gBAAgB,CAAC;YACpE,oBAAoB,IAAI,uBAAuB,CAAC;YAChD,cAAc,IAAI,uBAAuB,CAAC;QAC5C,CAAC;QAED,MAAM,WAAW,GAAG,kBAAkB,GAAG,mBAAmB,CAAC;QAC7D,MAAM,oBAAoB,GAAG,IAAI,CAAC,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,oBAAoB,GAAG,eAAe,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QAC/F,MAAM,eAAe,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,oBAAoB,EAAE,eAAe,CAAC,EAAE,CAAC,CAAC,CAAC;QAErF,IAAI,gBAAkC,CAAC;QACvC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,CAAC;YACjB,gBAAgB,GAAG;gBACjB,iBAAiB;gBACjB,cAAc,EAAE,mBAAmB,GAAG,iBAAiB;gBACvD,OAAO,EAAE,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,aAAa,CAAC,CAAC,CAAC,SAAS;gBAC7C,eAAe;aAChB,CAAC;QACJ,CAAC;aAAM,IAAI,IAAI,CAAC,EAAE,EAAE,CAAC;YACnB,iFAAiF;YACjF,gBAAgB,GAAG;gBACjB,eAAe;aAChB,CAAC;QACJ,CAAC;aAAM,CAAC;YACN,gBAAgB,GAAG;gBACjB,cAAc,EAAE,mBAAmB;gBACnC,eAAe;aAChB,CAAC;QACJ,CAAC;QAED,OAAO;YACL,UAAU;YACV,WAAW;YACX,eAAe;YACf,oBAAoB;YACpB,gBAAgB;YAChB,gBAAgB;SACjB,CAAC;IACJ,CAAC;CACF;AAED,OAAO,EAAC,aAAa,EAAC,CAAC","sourcesContent":["// Copyright 2024 The Chromium Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style license that can be\n// found in the LICENSE file.\n\nimport type {ConnectionTiming} from './SimulationTimingMap.js';\n\ninterface DownloadOptions {\n dnsResolutionTime?: number;\n timeAlreadyElapsed?: number;\n maximumTimeToElapse?: number;\n}\n\ninterface DownloadResults {\n roundTrips: number;\n timeElapsed: number;\n bytesDownloaded: number;\n extraBytesDownloaded: number;\n congestionWindow: number;\n connectionTiming: ConnectionTiming;\n}\n\nconst INITIAL_CONGESTION_WINDOW = 10;\nconst TCP_SEGMENT_SIZE = 1460;\n\nclass TCPConnection {\n warmed: boolean;\n ssl: boolean;\n h2: boolean;\n rtt: number;\n throughput: number;\n serverLatency: number;\n _congestionWindow: number;\n h2OverflowBytesDownloaded: number;\n\n constructor(rtt: number, throughput: number, serverLatency = 0, ssl = true, h2 = false) {\n this.warmed = false;\n this.ssl = ssl;\n this.h2 = h2;\n this.rtt = rtt;\n this.throughput = throughput;\n this.serverLatency = serverLatency;\n this._congestionWindow = INITIAL_CONGESTION_WINDOW;\n this.h2OverflowBytesDownloaded = 0;\n }\n\n static maximumSaturatedConnections(rtt: number, availableThroughput: number): number {\n const roundTripsPerSecond = 1000 / rtt;\n const bytesPerRoundTrip = TCP_SEGMENT_SIZE;\n const bytesPerSecond = roundTripsPerSecond * bytesPerRoundTrip;\n const minimumThroughputRequiredPerRequest = bytesPerSecond * 8;\n return Math.floor(availableThroughput / minimumThroughputRequiredPerRequest);\n }\n\n computeMaximumCongestionWindowInSegments(): number {\n const bytesPerSecond = this.throughput / 8;\n const secondsPerRoundTrip = this.rtt / 1000;\n const bytesPerRoundTrip = bytesPerSecond * secondsPerRoundTrip;\n return Math.floor(bytesPerRoundTrip / TCP_SEGMENT_SIZE);\n }\n\n setThroughput(throughput: number): void {\n this.throughput = throughput;\n }\n\n setCongestionWindow(congestion: number): void {\n this._congestionWindow = congestion;\n }\n\n setWarmed(warmed: boolean): void {\n this.warmed = warmed;\n }\n\n isH2(): boolean {\n return this.h2;\n }\n\n get congestionWindow(): number {\n return this._congestionWindow;\n }\n\n /**\n * Sets the number of excess bytes that are available to this connection on future downloads, only\n * applies to H2 connections.\n */\n setH2OverflowBytesDownloaded(bytes: number): void {\n if (!this.h2) {\n return;\n }\n this.h2OverflowBytesDownloaded = bytes;\n }\n\n clone(): TCPConnection {\n return Object.assign(new TCPConnection(this.rtt, this.throughput), this);\n }\n\n /**\n * Simulates a network download of a particular number of bytes over an optional maximum amount of time\n * and returns information about the ending state.\n *\n * See https://hpbn.co/building-blocks-of-tcp/#three-way-handshake and\n * https://hpbn.co/transport-layer-security-tls/#tls-handshake for details.\n */\n simulateDownloadUntil(bytesToDownload: number, options?: DownloadOptions): DownloadResults {\n const {timeAlreadyElapsed = 0, maximumTimeToElapse = Infinity, dnsResolutionTime = 0} = options || {};\n\n if (this.warmed && this.h2) {\n bytesToDownload -= this.h2OverflowBytesDownloaded;\n }\n const twoWayLatency = this.rtt;\n const oneWayLatency = twoWayLatency / 2;\n const maximumCongestionWindow = this.computeMaximumCongestionWindowInSegments();\n\n let handshakeAndRequest = oneWayLatency;\n if (!this.warmed) {\n handshakeAndRequest =\n // DNS lookup\n dnsResolutionTime +\n // SYN\n oneWayLatency +\n // SYN ACK\n oneWayLatency +\n // ACK + initial request\n oneWayLatency +\n // ClientHello/ServerHello assuming TLS False Start is enabled (https://istlsfastyet.com/#server-performance).\n (this.ssl ? twoWayLatency : 0);\n }\n\n let roundTrips = Math.ceil(handshakeAndRequest / twoWayLatency);\n let timeToFirstByte = handshakeAndRequest + this.serverLatency + oneWayLatency;\n if (this.warmed && this.h2) {\n timeToFirstByte = 0;\n }\n\n const timeElapsedForTTFB = Math.max(timeToFirstByte - timeAlreadyElapsed, 0);\n const maximumDownloadTimeToElapse = maximumTimeToElapse - timeElapsedForTTFB;\n\n let congestionWindow = Math.min(this._congestionWindow, maximumCongestionWindow);\n let totalBytesDownloaded = 0;\n if (timeElapsedForTTFB > 0) {\n totalBytesDownloaded = congestionWindow * TCP_SEGMENT_SIZE;\n } else {\n roundTrips = 0;\n }\n\n let downloadTimeElapsed = 0;\n let bytesRemaining = bytesToDownload - totalBytesDownloaded;\n while (bytesRemaining > 0 && downloadTimeElapsed <= maximumDownloadTimeToElapse) {\n roundTrips++;\n downloadTimeElapsed += twoWayLatency;\n congestionWindow = Math.max(Math.min(maximumCongestionWindow, congestionWindow * 2), 1);\n\n const bytesDownloadedInWindow = congestionWindow * TCP_SEGMENT_SIZE;\n totalBytesDownloaded += bytesDownloadedInWindow;\n bytesRemaining -= bytesDownloadedInWindow;\n }\n\n const timeElapsed = timeElapsedForTTFB + downloadTimeElapsed;\n const extraBytesDownloaded = this.h2 ? Math.max(totalBytesDownloaded - bytesToDownload, 0) : 0;\n const bytesDownloaded = Math.max(Math.min(totalBytesDownloaded, bytesToDownload), 0);\n\n let connectionTiming: ConnectionTiming;\n if (!this.warmed) {\n connectionTiming = {\n dnsResolutionTime,\n connectionTime: handshakeAndRequest - dnsResolutionTime,\n sslTime: this.ssl ? twoWayLatency : undefined,\n timeToFirstByte,\n };\n } else if (this.h2) {\n // TODO: timing information currently difficult to model for warm h2 connections.\n connectionTiming = {\n timeToFirstByte,\n };\n } else {\n connectionTiming = {\n connectionTime: handshakeAndRequest,\n timeToFirstByte,\n };\n }\n\n return {\n roundTrips,\n timeElapsed,\n bytesDownloaded,\n extraBytesDownloaded,\n congestionWindow,\n connectionTiming,\n };\n }\n}\n\nexport {TCPConnection};\n"]} |