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implement connection gater API

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This commit is contained in:
vyzo 2020-11-13 13:59:38 +02:00
parent 5a0b9f4197
commit b71f069854
1 changed files with 74 additions and 5 deletions
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79
node/impl/common/conngater.go
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@ -2,21 +2,90 @@ package common
import (
"context"
"net"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/node/modules/dtypes"
)
func (a *CommonAPI) NetBlockAdd(ctx context.Context, acl dtypes.NetBlockList) error {
// TODO
for _, p := range acl.Peers {
err := a.ConnGater.BlockPeer(p)
if err != nil {
return xerrors.Errorf("error blocking peer %s: %w", p, err)
}
}
for _, addr := range acl.IPAddrs {
ip := net.ParseIP(addr)
if ip == nil {
return xerrors.Errorf("error parsing IP address %s", addr)
}
err := a.ConnGater.BlockAddr(ip)
if err != nil {
return xerrors.Errorf("error blocking IP address %s: %w", addr, err)
}
}
for _, subnet := range acl.IPSubnets {
_, cidr, err := net.ParseCIDR(subnet)
if err != nil {
return xerrors.Errorf("error parsing subnet %s: %w", subnet, err)
}
err = a.ConnGater.BlockSubnet(cidr)
if err != nil {
return xerrors.Errorf("error blocking subunet %s: %w", subnet, err)
}
}
return nil
}
func (a *CommonAPI) NetBlockRemove(ctx context.Context, acl dtypes.NetBlockList) error {
// TODO
for _, p := range acl.Peers {
err := a.ConnGater.UnblockPeer(p)
if err != nil {
return xerrors.Errorf("error unblocking peer %s: %w", p, err)
}
}
for _, addr := range acl.IPAddrs {
ip := net.ParseIP(addr)
if ip == nil {
return xerrors.Errorf("error parsing IP address %s", addr)
}
err := a.ConnGater.UnblockAddr(ip)
if err != nil {
return xerrors.Errorf("error unblocking IP address %s: %w", addr, err)
}
}
for _, subnet := range acl.IPSubnets {
_, cidr, err := net.ParseCIDR(subnet)
if err != nil {
return xerrors.Errorf("error parsing subnet %s: %w", subnet, err)
}
err = a.ConnGater.UnblockSubnet(cidr)
if err != nil {
return xerrors.Errorf("error unblocking subunet %s: %w", subnet, err)
}
}
return nil
}
func (a *CommonAPI) NetBlockList(ctx context.Context) (dtypes.NetBlockList, error) {
// TODO
return dtypes.NetBlockList{}, nil
func (a *CommonAPI) NetBlockList(ctx context.Context) (result dtypes.NetBlockList, err error) {
result.Peers = a.ConnGater.ListBlockedPeers()
for _, ip := range a.ConnGater.ListBlockedAddrs() {
result.IPAddrs = append(result.IPAddrs, ip.String())
}
for _, subnet := range a.ConnGater.ListBlockedSubnets() {
result.IPSubnets = append(result.IPSubnets, subnet.String())
}
return
}