dart_udt library

Scaffold package for a cross-platform Dart port of UDT.

Classes

UdtAckControlInfo
Typed ACK payload for deterministic ACK packet encoding.
UdtAckNakTimerModel
Minimal ACK/NAK timeout model with injectable clock.
UdtAcknowledgedAck
UdtAckNumber
ACK sub-sequence helper (upstream CAckNo).
UdtAckWindow
Pure-Dart ACK history window ported from upstream window.h/window.cpp CACKWindow.
UdtAsyncMutex
Pure-Dart concurrency helpers that replace upstream pthread lock/cond/thread patterns in queue.h/queue.cpp with deterministic async primitives.
UdtAsyncSignal
Condition-like signal primitive for async wait/notify patterns.
UdtBindAttemptResult
UdtBindPlan
UdtCacheEntry<T extends UdtCacheEntry<T>>
Base cache-entry contract mirroring upstream CCacheItem semantics.
UdtCircuitBreaker
Deterministic circuit breaker built on top of connectivity recovery policy.
UdtCircuitBreakerRecoveryContext
UdtCircuitBreakerSnapshot
UdtCompatibilityProfile
Consolidated deterministic network compatibility profile for one endpoint.
UdtCompatibilityProfileBuilder
Builds a deterministic compatibility profile by composing section-4 planners.
UdtCongestionControl
Pure-Dart base congestion-control wrapper ported from upstream CCC in ccc.h/ccc.cpp.
UdtConnectAttemptResult
UdtConnectivityRecoveryPolicy
Deterministic connectivity-recovery policy for section-4 reliability work.
UdtConnectPlan
UdtControlPacket
Typed wrapper for UDT control packet header + control information field.
UdtDefaultCongestionControl
Pure-Dart default congestion-control algorithm mirroring upstream CUDTCC in ccc.cpp (init, onACK, onLoss, and onTimeout).
UdtDualStackMatrixRow
Deterministic matrix rows for section-4 dual-stack planning and CI docs.
UdtEpoll
Minimal pure-Dart poll/epoll abstraction for UDT-socket style IDs.
UdtFakeClock
Mutable fake clock for deterministic tests.
UdtHandshake
Pure Dart representation of the CHandShake structure from upstream packet.h, encoded as 12 x 32-bit network-order words.
UdtHashBucket<T>
Bucket entry equivalent to upstream CHash::CBucket.
UdtImpairmentConfig
UdtImpairmentInput
UdtImpairmentOutcome
UdtInfoBlock
Typed equivalent of upstream CInfoBlock in cache.h/cache.cpp.
UdtIpAddress
Pure-Dart IP helpers mirroring upstream CIPAddress from common.h.
UdtLatencyLossSimulator
Deterministic latency/loss/reordering simulator for reproducible tests.
UdtLifecycleSnapshot
UdtLruCache<T extends UdtCacheEntry<T>>
Pure-Dart LRU cache port for upstream CCache<T> in cache.h.
UdtMd5
Pure-Dart MD5 implementation ported from upstream md5.h/md5.cpp (original RFC1321-based implementation by L. Peter Deutsch).
UdtMessageDropRequestControlInfo
Typed Message Drop Request payload (first and last sequence numbers).
UdtMessageNumber
Message-number helpers from upstream CMsgNo.
UdtMobileConstraintsPolicy
Deterministic mobile constraints policy model for section-4 planning.
UdtMobilePolicyDecision
UdtMobilePolicyInput
UdtMtuPlanner
Deterministic MTU/path-MTU planner for Linux/macOS/Windows guidance.
UdtMtuPlanningDecision
UdtMtuPlanningInput
Deterministic MTU planning input for section-4 compatibility work.
UdtNetworkTransitionSimulator
Deterministic transition simulator for mobile/network compatibility planning.
UdtPacket
Typed Dart packet container replacing upstream pointer/alias C++ layout.
UdtPacketHeader
UDT packet header representation with deterministic binary encoding.
UdtPacketTimeWindow
Pure-Dart packet/probe timing window ported from upstream window.h/window.cpp CPktTimeWindow.
UdtPollReadySet
Poll readiness sets returned by UdtEpoll.wait.
UdtPortScaffold
Entrypoint for the UDT port scaffolding.
UdtProtocolClock
Deterministic clock abstraction for protocol-state testing.
UdtRandomSource
Deterministic random source for network impairment simulation.
UdtRawDatagramEventSource
Adapts RawDatagramSocket event streams into UdtSocketEventSource.
UdtRawDatagramRuntimeTarget
Live runtime target backed by RawDatagramSocket.bind + connect.
UdtRcvLossList
Pure-Dart port of upstream CRcvLossList.
UdtReceiveBuffer
Pure-Dart receive-buffer port for upstream CRcvBuffer in buffer.h/cpp.
UdtReceiveBufferUnit
Lightweight receive-unit model equivalent to a populated upstream CUnit.
UdtReceiveNode<T>
Typed linked-list node model equivalent to upstream CRNode.
UdtReceiveUnitQueueCounter
Shared counter model equivalent to upstream CUnitQueue::m_iCount updates.
UdtReceiveUserList<T>
Pure-Dart port of upstream CRcvUList ordering behavior.
UdtRecoveryDecision
UdtRecoveryInput
UdtSeededRandomSource
UdtSendBuffer
Pure-Dart sender-buffer port for upstream CSndBuffer in buffer.h/cpp.
UdtSendBufferReadResult
Deterministic payload+message-number view returned by UdtSendBuffer.readData and successful UdtSendBuffer.readDataAtOffset calls.
UdtSendBufferRetransmitResult
Retransmission read result equivalent to upstream CSndBuffer::readData(... offset ...) behavior.
UdtSequenceNumber
Sequence-number helpers ported from upstream common.h (CSeqNo, CAckNo, and CMsgNo) with explicit modular arithmetic.
UdtSerialExecutor
Serial worker-loop adapter to replace one-off worker-thread loops.
UdtSndLossList
Pure-Dart port of upstream sender/receiver loss lists from list.h/.cpp.
UdtSocketConnectExecutor
Deterministic connect executor with explicit family fallback ordering.
UdtSocketConnectPlanner
Deterministic connect strategy generator derived from a selected bind plan.
UdtSocketConnectReport
UdtSocketConnectTarget
UdtSocketEventSource
Porting adapter for upstream CEPoll wait/readiness model.
UdtSocketHash<T>
Pure-Dart hash-table port of upstream CHash.
UdtSocketIoEvent
Normalized socket event emitted by poll event sources.
UdtSocketLifecycleCoordinator
Deterministic lifecycle coordinator for section-4 socket integration.
UdtSocketMatrixIntegrationHarness
Deterministic harness that wires dual-stack matrix rows into socket-layer runtime planning/execution without requiring live sockets.
UdtSocketMatrixIntegrationResult
Result of executing one deterministic dual-stack matrix row through the socket runtime planner + executor pipeline.
UdtSocketOptionApplicationReport
UdtSocketOptionApplier
Applies planned options with graceful-degradation semantics.
UdtSocketOptionApplyResult
UdtSocketOptionPlanner
Cross-platform socket-option planner for upcoming networking port tasks.
UdtSocketOptionRecommendation
Deterministic socket option recommendation.
UdtSocketOptionTarget
Target abstraction for applying socket options without binding to concrete dart:io socket types in deterministic tests.
UdtSocketRuntimeApplicationReport
UdtSocketRuntimeApplier
Applies runtime bind/connect plans with explicit fallback logging.
UdtSocketRuntimeExecutionReport
UdtSocketRuntimeExecutor
Deterministic bind executor that walks runtime bind plans with fallback.
UdtSocketRuntimePlan
UdtSocketRuntimePlanner
Deterministic runtime planner that composes profile + option application into concrete bind-family decisions for upcoming live socket modules.
UdtSocketRuntimeTarget
Runtime adapter boundary for upcoming live-socket modules.
UdtTimer
Pure-Dart timer/event helper port for upstream CTimer in common.h/cpp.
UdtTransitionEvent
Deterministic transition event used for section-4 network/mobile simulation.
UdtTransitionSnapshot
Snapshot of policy + timing effects after processing one transition step.

Enums

UdtBindFamily
Address family selection for deterministic bind/connect runtime planning.
UdtCircuitBreakerState
Circuit breaker states for deterministic network failure handling.
UdtControlType
UDT control packet type values mirrored from upstream packet.cpp.
UdtEndpointFamily
Endpoint family target for deterministic socket connect planning.
UdtIpMode
Supported UDT address-family targets for deterministic compatibility planning.
UdtLifecycleState
UdtMobileAppState
Mobile app lifecycle/network transition state for deterministic planning.
UdtMobileNetworkType
UdtModule
High-level module mapping from upstream UDT C++ files to pure Dart libraries.
UdtPollEvent
Mirrors UDT epoll bitmask flags (UDT_EPOLL_IN|OUT|ERR) with typed Dart.
UdtSocketOptionApplyStatus
UdtSocketOptionKey
Typed socket-option keys used by UdtSocketOptionPlanner.

Functions

buildUdtDualStackMatrix() → List<UdtDualStackMatrixRow>
Generates deterministic dual-stack planning matrix without network access.
generateDeterministicUdtValues({required int seed, required int count, required int max}) → Iterable<int>
Deterministic helper used by tests to exercise wraparound properties without external fuzzing dependencies.