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88 lines
2.5 KiB
Nim
88 lines
2.5 KiB
Nim
## Nim-Codex
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## Copyright (c) 2022 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import std/sequtils
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import std/tables
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import std/algorithm
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import pkg/upraises
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push: {.upraises: [].}
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import pkg/chronos
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import pkg/libp2p
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import ../protobuf/blockexc
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import ../../blocktype
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import ../../logutils
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import ./peercontext
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export peercontext
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logScope:
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topics = "codex peerctxstore"
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type
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PeerCtxStore* = ref object of RootObj
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peers*: OrderedTable[PeerId, BlockExcPeerCtx]
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PeersForBlock* = object of RootObj
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with*: seq[BlockExcPeerCtx]
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without*: seq[BlockExcPeerCtx]
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iterator items*(self: PeerCtxStore): BlockExcPeerCtx =
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for p in self.peers.values:
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yield p
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proc contains*(a: openArray[BlockExcPeerCtx], b: PeerId): bool =
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## Convenience method to check for peer precense
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##
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a.anyIt( it.id == b )
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func contains*(self: PeerCtxStore, peerId: PeerId): bool =
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peerId in self.peers
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func add*(self: PeerCtxStore, peer: BlockExcPeerCtx) =
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self.peers[peer.id] = peer
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func remove*(self: PeerCtxStore, peerId: PeerId) =
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self.peers.del(peerId)
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func get*(self: PeerCtxStore, peerId: PeerId): BlockExcPeerCtx =
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self.peers.getOrDefault(peerId, nil)
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func len*(self: PeerCtxStore): int =
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self.peers.len
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func peersHave*(self: PeerCtxStore, address: BlockAddress): seq[BlockExcPeerCtx] =
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toSeq(self.peers.values).filterIt( it.peerHave.anyIt( it == address ) )
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func peersHave*(self: PeerCtxStore, cid: Cid): seq[BlockExcPeerCtx] =
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toSeq(self.peers.values).filterIt( it.peerHave.anyIt( it.cidOrTreeCid == cid ) )
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func peersWant*(self: PeerCtxStore, address: BlockAddress): seq[BlockExcPeerCtx] =
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toSeq(self.peers.values).filterIt( it.peerWants.anyIt( it == address ) )
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func peersWant*(self: PeerCtxStore, cid: Cid): seq[BlockExcPeerCtx] =
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toSeq(self.peers.values).filterIt( it.peerWants.anyIt( it.address.cidOrTreeCid == cid ) )
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proc getPeersForBlock*(self: PeerCtxStore, address: BlockAddress): PeersForBlock =
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var res = PeersForBlock()
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for peer in self:
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if peer.peerHave.anyIt( it == address ):
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res.with.add(peer)
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else:
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res.without.add(peer)
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res
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proc new*(T: type PeerCtxStore): PeerCtxStore =
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## create new instance of a peer context store
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PeerCtxStore(peers: initOrderedTable[PeerId, BlockExcPeerCtx]())
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