lotus/node/impl/net/rcmgr.go
2022-06-14 17:00:51 +02:00

271 lines
7.2 KiB
Go

package net
import (
"context"
"strings"
"github.com/libp2p/go-libp2p-core/network"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p-core/protocol"
rcmgr "github.com/libp2p/go-libp2p-resource-manager"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/api"
)
func (a *NetAPI) NetStat(ctx context.Context, scope string) (result api.NetStat, err error) {
switch {
case scope == "all":
rapi, ok := a.ResourceManager.(rcmgr.ResourceManagerState)
if !ok {
return result, xerrors.Errorf("rexource manager does not support ResourceManagerState API")
}
stat := rapi.Stat()
result.System = &stat.System
result.Transient = &stat.Transient
if len(stat.Services) > 0 {
result.Services = stat.Services
}
if len(stat.Protocols) > 0 {
result.Protocols = make(map[string]network.ScopeStat, len(stat.Protocols))
for proto, stat := range stat.Protocols {
result.Protocols[string(proto)] = stat
}
}
if len(stat.Peers) > 0 {
result.Peers = make(map[string]network.ScopeStat, len(stat.Peers))
for p, stat := range stat.Peers {
result.Peers[p.Pretty()] = stat
}
}
return result, nil
case scope == "system":
err = a.ResourceManager.ViewSystem(func(s network.ResourceScope) error {
stat := s.Stat()
result.System = &stat
return nil
})
return result, err
case scope == "transient":
err = a.ResourceManager.ViewTransient(func(s network.ResourceScope) error {
stat := s.Stat()
result.Transient = &stat
return nil
})
return result, err
case strings.HasPrefix(scope, "svc:"):
svc := scope[4:]
err = a.ResourceManager.ViewService(svc, func(s network.ServiceScope) error {
stat := s.Stat()
result.Services = map[string]network.ScopeStat{
svc: stat,
}
return nil
})
return result, err
case strings.HasPrefix(scope, "proto:"):
proto := scope[6:]
err = a.ResourceManager.ViewProtocol(protocol.ID(proto), func(s network.ProtocolScope) error {
stat := s.Stat()
result.Protocols = map[string]network.ScopeStat{
proto: stat,
}
return nil
})
return result, err
case strings.HasPrefix(scope, "peer:"):
p := scope[5:]
pid, err := peer.IDFromString(p)
if err != nil {
return result, xerrors.Errorf("invalid peer ID: %s: %w", p, err)
}
err = a.ResourceManager.ViewPeer(pid, func(s network.PeerScope) error {
stat := s.Stat()
result.Peers = map[string]network.ScopeStat{
p: stat,
}
return nil
})
return result, err
default:
return result, xerrors.Errorf("invalid scope %s", scope)
}
}
func (a *NetAPI) NetLimit(ctx context.Context, scope string) (result api.NetLimit, err error) {
getLimit := func(s network.ResourceScope) error {
limiter, ok := s.(rcmgr.ResourceScopeLimiter)
if !ok {
return xerrors.Errorf("resource scope doesn't implement ResourceScopeLimiter interface")
}
limit := limiter.Limit()
switch l := limit.(type) {
case *rcmgr.StaticLimit:
result.Memory = l.Memory
result.Streams = l.BaseLimit.Streams
result.StreamsInbound = l.BaseLimit.StreamsInbound
result.StreamsOutbound = l.BaseLimit.StreamsOutbound
result.Conns = l.BaseLimit.Conns
result.ConnsInbound = l.BaseLimit.ConnsInbound
result.ConnsOutbound = l.BaseLimit.ConnsOutbound
result.FD = l.BaseLimit.FD
case *rcmgr.DynamicLimit:
result.Dynamic = true
result.MemoryFraction = l.MemoryLimit.MemoryFraction
result.MinMemory = l.MemoryLimit.MinMemory
result.MaxMemory = l.MemoryLimit.MaxMemory
result.Streams = l.BaseLimit.Streams
result.StreamsInbound = l.BaseLimit.StreamsInbound
result.StreamsOutbound = l.BaseLimit.StreamsOutbound
result.Conns = l.BaseLimit.Conns
result.ConnsInbound = l.BaseLimit.ConnsInbound
result.ConnsOutbound = l.BaseLimit.ConnsOutbound
result.FD = l.BaseLimit.FD
default:
return xerrors.Errorf("unknown limit type %T", limit)
}
return nil
}
switch {
case scope == "system":
err = a.ResourceManager.ViewSystem(func(s network.ResourceScope) error {
return getLimit(s)
})
return result, err
case scope == "transient":
err = a.ResourceManager.ViewTransient(func(s network.ResourceScope) error {
return getLimit(s)
})
return result, err
case strings.HasPrefix(scope, "svc:"):
svc := scope[4:]
err = a.ResourceManager.ViewService(svc, func(s network.ServiceScope) error {
return getLimit(s)
})
return result, err
case strings.HasPrefix(scope, "proto:"):
proto := scope[6:]
err = a.ResourceManager.ViewProtocol(protocol.ID(proto), func(s network.ProtocolScope) error {
return getLimit(s)
})
return result, err
case strings.HasPrefix(scope, "peer:"):
p := scope[5:]
pid, err := peer.IDFromString(p)
if err != nil {
return result, xerrors.Errorf("invalid peer ID: %s: %w", p, err)
}
err = a.ResourceManager.ViewPeer(pid, func(s network.PeerScope) error {
return getLimit(s)
})
return result, err
default:
return result, xerrors.Errorf("invalid scope %s", scope)
}
}
func (a *NetAPI) NetSetLimit(ctx context.Context, scope string, limit api.NetLimit) error {
setLimit := func(s network.ResourceScope) error {
limiter, ok := s.(rcmgr.ResourceScopeLimiter)
if !ok {
return xerrors.Errorf("resource scope doesn't implement ResourceScopeLimiter interface")
}
var newLimit rcmgr.Limit
if limit.Dynamic {
newLimit = &rcmgr.DynamicLimit{
MemoryLimit: rcmgr.MemoryLimit{
MemoryFraction: limit.MemoryFraction,
MinMemory: limit.MinMemory,
MaxMemory: limit.MaxMemory,
},
BaseLimit: rcmgr.BaseLimit{
Streams: limit.Streams,
StreamsInbound: limit.StreamsInbound,
StreamsOutbound: limit.StreamsOutbound,
Conns: limit.Conns,
ConnsInbound: limit.ConnsInbound,
ConnsOutbound: limit.ConnsOutbound,
FD: limit.FD,
},
}
} else {
newLimit = &rcmgr.StaticLimit{
Memory: limit.Memory,
BaseLimit: rcmgr.BaseLimit{
Streams: limit.Streams,
StreamsInbound: limit.StreamsInbound,
StreamsOutbound: limit.StreamsOutbound,
Conns: limit.Conns,
ConnsInbound: limit.ConnsInbound,
ConnsOutbound: limit.ConnsOutbound,
FD: limit.FD,
},
}
}
limiter.SetLimit(newLimit)
return nil
}
switch {
case scope == "system":
err := a.ResourceManager.ViewSystem(func(s network.ResourceScope) error {
return setLimit(s)
})
return err
case scope == "transient":
err := a.ResourceManager.ViewTransient(func(s network.ResourceScope) error {
return setLimit(s)
})
return err
case strings.HasPrefix(scope, "svc:"):
svc := scope[4:]
err := a.ResourceManager.ViewService(svc, func(s network.ServiceScope) error {
return setLimit(s)
})
return err
case strings.HasPrefix(scope, "proto:"):
proto := scope[6:]
err := a.ResourceManager.ViewProtocol(protocol.ID(proto), func(s network.ProtocolScope) error {
return setLimit(s)
})
return err
case strings.HasPrefix(scope, "peer:"):
p := scope[5:]
pid, err := peer.IDFromString(p)
if err != nil {
return xerrors.Errorf("invalid peer ID: %s: %w", p, err)
}
err = a.ResourceManager.ViewPeer(pid, func(s network.PeerScope) error {
return setLimit(s)
})
return err
default:
return xerrors.Errorf("invalid scope %s", scope)
}
}