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Files
kubo/core/core.go

115 lines
2.4 KiB
Go

package core
import (
"fmt"
ds "github.com/jbenet/datastore.go"
"github.com/jbenet/go-ipfs/bitswap"
bserv "github.com/jbenet/go-ipfs/blockservice"
config "github.com/jbenet/go-ipfs/config"
merkledag "github.com/jbenet/go-ipfs/merkledag"
path "github.com/jbenet/go-ipfs/path"
peer "github.com/jbenet/go-ipfs/peer"
routing "github.com/jbenet/go-ipfs/routing"
dht "github.com/jbenet/go-ipfs/routing/dht"
swarm "github.com/jbenet/go-ipfs/swarm"
u "github.com/jbenet/go-ipfs/util"
ma "github.com/jbenet/go-multiaddr"
)
// IpfsNode is IPFS Core module. It represents an IPFS instance.
type IpfsNode struct {
// the node's configuration
Config *config.Config
// the local node's identity
Identity *peer.Peer
// the map of other nodes (Peer instances)
PeerMap *peer.Map
// the local datastore
Datastore ds.Datastore
// the network message stream
Swarm *swarm.Swarm
// the routing system. recommend ipfs-dht
Routing routing.IpfsRouting
// the block exchange + strategy (bitswap)
BitSwap *bitswap.BitSwap
// the block service, get/add blocks.
Blocks *bserv.BlockService
// the merkle dag service, get/add objects.
DAG *merkledag.DAGService
// the path resolution system
Resolver *path.Resolver
// the name system, resolves paths to hashes
// Namesys *namesys.Namesys
}
// NewIpfsNode constructs a new IpfsNode based on the given config.
func NewIpfsNode(cfg *config.Config) (*IpfsNode, error) {
if cfg == nil {
return nil, fmt.Errorf("configuration required")
}
d, err := makeDatastore(cfg.Datastore)
if err != nil {
return nil, err
}
maddr, err := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/4001")
if err != nil {
return nil, err
}
local := &peer.Peer{
ID: peer.ID(cfg.Identity.PeerID),
Addresses: []*ma.Multiaddr{maddr},
}
if len(local.ID) == 0 {
mh, err := u.Hash([]byte("blah blah blah ID"))
if err != nil {
return nil, err
}
local.ID = peer.ID(mh)
}
net := swarm.NewSwarm(local)
err = net.Listen()
if err != nil {
return nil, err
}
route := dht.NewDHT(local, net, d)
route.Start()
swap := bitswap.NewBitSwap(local, net, d, route)
bs, err := bserv.NewBlockService(d, swap)
if err != nil {
return nil, err
}
dag := &merkledag.DAGService{Blocks: bs}
n := &IpfsNode{
Config: cfg,
PeerMap: &peer.Map{},
Datastore: d,
Blocks: bs,
DAG: dag,
Resolver: &path.Resolver{DAG: dag},
}
return n, nil
}