/
go-graphsync.puml
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go-graphsync.puml
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@startuml "GraphSync"
package "go-ipld-prime" {
interface Node {
}
interface NodeBuilder {
}
interface Path {
}
interface Link
package traversal {
package selector {
interface Selector {
}
object "PackagePublicFunctions" as goSelectorPF {
ReifySelector(cidRootedSelector Node) (Selector, error)
}
}
interface AdvVisitFn {
}
class TraversalConfig {
}
class TraversalProgress {
TraverseInformatively(Node, Selector, AdvVisitFn)
}
TraversalProgress *-- TraversalConfig
}
interface Storer {
}
interface Loader {
}
}
package "go-graphsync" {
interface Cid2BlockFn {
}
class GraphSync {
Request(ctx context.Context, p peer.ID, rootedSelector Node) (chan ResponseProgress, chan error)
GetBlocks(ctx context.Context, p peer.ID, rootedSelector Node) (chan blocks.Block, chan error)
ReceiveMessage(ctx context.Context, sender peer.ID, incoming GraphSyncMessage)
ReceiveError(error)
}
GraphSync *-- Loader
package network {
interface Receiver {
ReceiveMessage(ctx context.Context, sender peer.ID, incoming GraphSyncMessage)
ReceiveError(error)
}
interface GraphSyncNetwork {
SendMessage(ctx context.Context, receiver peer.Id, m GraphSyncMessage)
SetDelegate(receiver Receiver)
ConnectTo(ctx context.Context, peer.ID) error
NewMessageSender(context.Context, peer.ID) (MessageSender, error)
}
interface MessageSender {
SendMsg(context.Context, GraphSyncMessage) error
Close() error
Reset() error
}
Receiver <|-- GraphSync : receiver for
class libP2PGraphSyncNetwork {
}
GraphSyncNetwork <|-- libP2PGraphSyncNetwork
object "Package Public Functions" as goGraphSyncNetworkPF {
NewLibP2PNetwork(host libp2pHost.Host) GraphSyncNetwork
}
goGraphSyncNetworkPF .. libP2PGraphSyncNetwork
}
package messagequeue {
class MessageQueue {
AddRequest(GraphSyncRequest)
AddResponses([]GraphSyncResponse, []Block) <-chan struct{}
Startup()
Shutdown()
}
object "PackagePublicFunctions" as goMessageQueuePF {
New(context.Context, peer.ID, GraphSyncNetwork) *MessageQueue
}
GraphSync .. goMessageQueuePF
MessageQueue *-- GraphSyncNetwork
}
package peermanager {
class PeerManager {
Connected(p peer.ID)
Disconnected(p peer.ID)
ConnectedPeers() []peer.ID
GetProcess(peer.ID) PeerProcess
}
class PeerMessageManager {
SendRequest(peer.ID, GraphSyncRequest)
SendResponses(peer.ID, []GraphSyncResponse, []Block)
}
object "Package Public Functions" as goPeerManagerPF {
New(ctx context.Context, createPeerProcess func(context, peer.ID) PeerProcess)
NewMessageManager(ctx context.Context, createPeerQueue func(context, peer.ID) MessageQueue)
}
GraphSync .. goPeerManagerPF
PeerManager <|-- PeerMessageManager
PeerMessageManager *-- MessageQueue
}
package linktracker {
class LinkTracker {
ShouldSendBlockFor(Link) bool
RecordLinkTraversal(GraphSyncRequestID, Link, bool)
FinishRequest(GraphSyncRequestID) bool
}
object "Package Public Functions" as goLinkTrackerPF {
New() *LinkTracker
}
}
package requestmanager {
package types {
interface ResponseProgress {
}
interface AsyncLoadResult {
}
}
package "loader" as reqLoader {
interface AsyncLoadFn {
}
object "Package Public Functions" as goRequestLoaderPF {
WrapAsyncLoader(context.Context, AsyncLoadFn, GraphSyncRequestID, chan error)
}
}
package asyncloader {
package loadattempqueue {
interface LoadRequest {
}
interface LoadAttempter {
func(GraphSyncRequestID, ipld.Link) ([]byte, error)
}
class LoadAttemptQueue {
AttemptLoad(LoadRequest, bool)
ClearRequest(GraphSyncRequestID)
RetryLoads()
}
object "Package Public Functions" as goLoadAttemptQueuePF {
NewLoadRequest(GraphSyncRequestID, ipld.Link, chan AsyncLoadResult) LoadRequest
New(LoadAttempter) *LoadAttemptQueue
}
}
package unverifiedblockstore {
class UnverifiedBlockStore {
AddUnverifiedBlock(ipld.Link, []byte)
PruneBlocks(func(ipld.Link) bool)
VerifyBlock(ipld.Link) ([]byte, error)
}
object "Package Public Functions" as goUnverifiedBlockStore {
New(Storer) *UnverifiedBlockStore
}
}
package responsecache {
class ResponseCache {
FinishRequest(GraphSyncRequestID)
AttemptLoad(GraphSyncRequestID, ipld.Link) ([]byte, error)
ProcessResponse(map[GraphSyncRequestID]Metadata, []blocks.Block)
}
object "Package Public Functions" as goResponseCachePF {
New(UnverifiedBlockStore) *ResponseCache
}
ResponseCache *-- LinkTracker
ResponseCache *-- UnverifiedBlockStore
ResponseCache .. goLinkTrackerPF
}
class AsyncLoader {
StartRequest(GraphSyncRequestID)
ProcessResponse(map[gsmsg.GraphSyncRequestID]metadata.Metadata, []blocks.Block)
AsyncLoad(requestID gsmsg.GraphSyncRequestID, link ipld.Link) AsyncLoadResult
CompleteResponsesFor(GraphSyncRequestID)
CleanupRequest(GraphSyncRequestID)
}
object "Package Public Functions" as goAsyncLoaderPF {
New(context.Context, ipld.Loader, ipld.Storer) *AsyncLoader
}
AsyncLoader *-- LoadAttemptQueue
AsyncLoader *-- ResponseCache
AsyncLoader *-- Loader
AsyncLoader *-- Storer
AsyncLoader .. goUnverifiedBlockStore
AsyncLoader .. goResponseCachePF
AsyncLoader .. goLoadAttemptQueuePF
}
class RequestManager {
SetDelegate(peerHandler PeerMessageManager)
SendRequest(ctx context.Context, p peer.ID, cidRootedSelector Node) chan ResponseProgress, chan error
ProcessResponses(peer.ID, []GraphSyncResponse, []blocks.Block)
}
object "Package Public Functions" as goRequestManagerPF {
New(ctx context.Context, asyncLoader AsyncLoader, ipldBridge ipldbridge.IPLDBridge) *RequestManager
}
RequestManager *-- AsyncLoader
RequestManager *-- PeerManager
RequestManager .. goRequestLoaderPF
GraphSync *-- RequestManager
GraphSync .. goRequestManagerPF
}
package responsemanager {
package peertaskqueue {
package peertask {
class Task {
}
class TaskBlock {
MarkPrunable(Identifier)
PruneTasks()
Index()
SetIndex(int)
}
interface Identifier {
}
object "Package Public Functions" as goPeerTaskPF {
FIFOCompare(a, b *TaskBlock) bool
PriorityCompare(a, b *TaskBlock) bool
WrapCompare(func(a, b *TaskBlock) bool) func(a, b pq.Elem) bool
NewTaskBlock([]Task, int, peer.ID, func([]Task)) *TaskBlock
}
}
package peertracker {
class PeerTracker {
StartTask(Identifier)
TaskDone(Identifier)
Index()
SetIndex(int)
PushBlock(peer.ID, []Task, func([]Task))
PopBlock() *TaskBlock
Remove(Identifier)
Freeze()
Thaw() bool
FullThaw()
IsFrozen() bool
}
object "Package Public Functions" as goPeerTrackerPF {
New() *PeerTracker
PeerCompare(a, b pq.Elem) bool
}
PeerTracker *-- TaskBlock
PeerTracker .. goPeerTaskPF
}
class PeerTaskQueue {
PushBlock(to peer.ID, tasks ...Task)
PopBlock() *TaskBlock
Remove(identifier Identifier, p peer.ID)
ThawRound()
FullThaw()
}
PeerTaskQueue *-- PeerTracker
PeerTaskQueue .. goPeerTrackerPF
object "Package Public Functions" as goPeerTaskQueuePF {
New() *PeerTaskQueue
}
GraphSync .. goPeerTaskQueuePF
}
package "loader" as resLoader {
object "Package Public Functions" as goResponseLoaderPF {
WrapLoader(Loader,GraphSyncRequestID, PeerResponseSender) Loader
}
}
package responsebuilder {
class ResponseBuilder {
AddBlock(Block)
AddLink(GraphSyncRequestID, Link, bool)
AddCompletedRequest(GraphSyncRequestID, GraphSyncResponseStatusCode)
Empty() bool
Build(IPLDBridge) ([]GraphSyncResponse, []Block, error)
}
object "Package Public Functions" as goResponseBuilderPF {
New() *ResponseBuilder
}
}
package peerresponsemanager {
class PeerResponseManager {
SenderForPeer(p peer.ID) PeerResponseSender
}
class PeerResponseSender {
Startup()
Shutdown()
SendResponse(GraphSyncRequestID,Link,[]byte)
FinishRequest(GraphSyncRequestID)
FinishWithError(GraphSyncRequestID, GraphSyncResponseStatusCode)
}
object "Package Public Functions" as goPeerResponseManagerPF {
New(Context, func(Context, peer.ID) PeerResponseSender) *PeerResponseManager
NewResponseSender(Context, peer.ID, PeerMessageManager, IPLDBridge) PeerResponseSender
}
PeerResponseManager *-- PeerResponseSender
PeerResponseSender *-- LinkTracker
PeerResponseSender *-- ResponseBuilder
PeerResponseSender *-- PeerMessageManager
PeerResponseSender .. goLinkTrackerPF
PeerResponseSender .. goResponseBuilderPF
GraphSync .. goPeerResponseManagerPF
}
class ResponseManager {
ProcessRequests(context, peer.ID, []GraphSyncRequests)
}
object "Package Public Functions" as goResponseManagerPF {
New(Context, Loader, IPLDBridge, PeerResponseManager, PeerTaskQueue) *ResponseManager
}
GraphSync *-- ResponseManager
ResponseManager *-- Loader
ResponseManager *-- PeerResponseManager
ResponseManager *-- PeerTaskQueue
ResponseManager .. goResponseLoaderPF
GraphSync .. goResponseManagerPF
}
package message {
object "Package Public Functions" as goGraphSyncMessagePF {
func FromPBReader(pbr ggio.Reader) (GraphSyncMessage, error)
func FromNet(r io.Reader) (GraphSyncMessage, error)
func New() GraphSyncMessage
func NewRequest(GraphSyncRequestID, []byte, GraphSyncPriority) GraphSyncRequest
func CancelRequest(GraphSyncRequestID) GraphSyncRequest
func NewResponse(GraphSyncRequestID, GraphSyncResponseStatusCode, []byte) GraphSyncResponse
}
goGraphSyncMessagePF .. libP2PGraphSyncNetwork
class GraphSyncRequest {
Selector() []bytes
Priority() Priority
ID() int
IsCancel() bool
}
class GraphSyncResponse {
RequestID() int
Status() GraphSyncStatus
Extra() []bytes
}
interface GraphSyncMessage {
Requests() : []GraphSyncRequest
Responses() : []GraphSyncResponse
Blocks() : []Blocks
AddRequest(GraphSyncRequest)
AddResponse(GraphSyncResponse)
AddBlock(Block)
}
interface Exportable {
ToProto()
ToNet(w io.Writer) error
}
Exportable --|> GraphSyncMessage
GraphSyncRequest --* GraphSyncMessage
GraphSyncResponse --* GraphSyncMessage
}
package ipldbridge {
interface IPLDBridge {
BuildNode(func(NodeBuilder) ipld.Node) (ipld.Node, error)
ValidateSelectorSpec(rootedSelector ipld.Node) []error
EncodeNode(ipld.Node) ([]byte, error)
DecodeNode([]byte) (ipld.Node, error)
DecodeSelectorSpec(cidRootedSelector ipld.Node) (ipld.Node, Selector, error)
Traverse(ctx context.Context, loader Loader, root ipld.Node, s Selector, fn AdvVisitFn) error
}
GraphSync *-- IPLDBridge
RequestManager *-- IPLDBridge
ResponseManager *-- IPLDBridge
PeerResponseSender *-- IPLDBridge
class ipldBridge {
}
object "PackagePublicFunctions" as goIPLDBridge {
NewIPLDBridge() IPLDBridge
}
IPLDBridge <|-- ipldBridge
goIPLDBridge .. ipldBridge
ipldBridge *-- MulticodecDecodeTable
ipldBridge *-- NodeBuilderChooser
ipldBridge .. TraversalProgress
ipldBridge .. goSelectorPF
ipldBridge .. goIPLDReposePf
}
object "PackagePublicFunctions" as goGraphsyncPf {
New(ctx context.Context, network GraphSyncNetwork, ipldBridge IPLDBridge, loader Loader) GraphSync
LoaderFromCid2BlockFn(cid2BlockFn Cid2BlockFn) Loader
SelectorSpecFromCidAndPath(lnk cid.Cid, pathSegments []string) (ipld.Node, error)
}
}
package "go-filecoin" {
class "go-filecoin" {
}
"go-filecoin" *-- GraphSync
"go-filecoin" .. goGraphsyncPf
"go-filecoin" .. goGraphSyncNetworkPF
"go-filecoin" .. goIPLDBridge
"go-filecoin" *-- RawLoader
"go-filecoin" *-- MulticodecDecodeTable
"go-filecoin" *-- NodeBuilderChooser
}
@enduml