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https://github.com/kaspanet/kaspad.git
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d14809694f
* [NOD-1223] Delete unused files/packages. * [NOD-1223] Move signal and limits to the os package. * [NOD-1223] Put database and dbaccess into the db package. * [NOD-1223] Fold the logs package into the logger package. * [NOD-1223] Rename domainmessage to appmessage. * [NOD-1223] Rename to/from DomainMessage to AppMessage. * [NOD-1223] Move appmessage to the app packge. * [NOD-1223] Move protocol to the app packge. * [NOD-1223] Move the network package to the infrastructure packge. * [NOD-1223] Rename cmd to executables. * [NOD-1223] Fix go.doc in the logger package.
58 lines
2.1 KiB
Go
58 lines
2.1 KiB
Go
package addressexchange
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import (
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"github.com/kaspanet/kaspad/app/appmessage"
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"github.com/kaspanet/kaspad/app/protocol/common"
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peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
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"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
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"github.com/kaspanet/kaspad/infrastructure/config"
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"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
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"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
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)
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// ReceiveAddressesContext is the interface for the context needed for the ReceiveAddresses flow.
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type ReceiveAddressesContext interface {
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Config() *config.Config
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AddressManager() *addressmanager.AddressManager
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}
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// ReceiveAddresses asks a peer for more addresses if needed.
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func ReceiveAddresses(context ReceiveAddressesContext, incomingRoute *router.Route, outgoingRoute *router.Route,
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peer *peerpkg.Peer) error {
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if !context.AddressManager().NeedMoreAddresses() {
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return nil
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}
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subnetworkID := peer.SubnetworkID()
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msgGetAddresses := appmessage.NewMsgRequestAddresses(false, subnetworkID)
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err := outgoingRoute.Enqueue(msgGetAddresses)
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if err != nil {
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return err
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}
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message, err := incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
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if err != nil {
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return err
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}
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msgAddresses := message.(*appmessage.MsgAddresses)
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if len(msgAddresses.AddrList) > addressmanager.GetAddressesMax {
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return protocolerrors.Errorf(true, "address count excceeded %d", addressmanager.GetAddressesMax)
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}
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if msgAddresses.IncludeAllSubnetworks {
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return protocolerrors.Errorf(true, "got unexpected "+
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"IncludeAllSubnetworks=true in [%s] command", msgAddresses.Command())
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}
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if !msgAddresses.SubnetworkID.IsEqual(context.Config().SubnetworkID) && msgAddresses.SubnetworkID != nil {
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return protocolerrors.Errorf(false, "only full nodes and %s subnetwork IDs "+
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"are allowed in [%s] command, but got subnetwork ID %s",
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context.Config().SubnetworkID, msgAddresses.Command(), msgAddresses.SubnetworkID)
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}
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sourceAddress := peer.Connection().NetAddress()
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context.AddressManager().AddAddresses(msgAddresses.AddrList, sourceAddress, msgAddresses.SubnetworkID)
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return nil
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}
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