mirror of
https://github.com/mudler/edgevpn.git
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f5ea51d82e
As EdgeVPN can be used as library and it turns out to be quite useful, change license for follow up versions to Apache so can be used as a library easilier.
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
/*
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Copyright © 2021-2022 Ettore Di Giacinto <mudler@mocaccino.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package node
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import (
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"fmt"
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"strings"
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"github.com/libp2p/go-libp2p/core/network"
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"github.com/libp2p/go-libp2p/core/peer"
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libp2pprotocol "github.com/libp2p/go-libp2p/core/protocol"
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rcmgr "github.com/libp2p/go-libp2p/p2p/host/resource-manager"
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)
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func NetSetLimit(mgr network.ResourceManager, scope string, limit rcmgr.Limit) error {
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setLimit := func(s network.ResourceScope) error {
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limiter, ok := s.(rcmgr.ResourceScopeLimiter)
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if !ok {
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return fmt.Errorf("resource scope doesn't implement ResourceScopeLimiter interface")
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}
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limiter.SetLimit(limit)
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return nil
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}
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switch {
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case scope == "system":
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err := mgr.ViewSystem(func(s network.ResourceScope) error {
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return setLimit(s)
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})
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return err
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case scope == "transient":
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err := mgr.ViewTransient(func(s network.ResourceScope) error {
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return setLimit(s)
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})
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return err
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case strings.HasPrefix(scope, "svc:"):
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svc := scope[4:]
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err := mgr.ViewService(svc, func(s network.ServiceScope) error {
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return setLimit(s)
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})
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return err
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case strings.HasPrefix(scope, "proto:"):
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proto := scope[6:]
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err := mgr.ViewProtocol(libp2pprotocol.ID(proto), func(s network.ProtocolScope) error {
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return setLimit(s)
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})
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return err
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case strings.HasPrefix(scope, "peer:"):
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p := scope[5:]
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pid, err := peer.Decode(p)
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if err != nil {
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return fmt.Errorf("invalid peer ID: %s: %w", p, err)
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}
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err = mgr.ViewPeer(pid, func(s network.PeerScope) error {
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return setLimit(s)
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})
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return err
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default:
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return fmt.Errorf("invalid scope %s", scope)
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}
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}
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