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labapp.go
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labapp.go
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// Copyright 2019 Netflix, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package labapp
import (
"context"
"io"
"github.com/Netflix/p2plab/daemon"
"github.com/Netflix/p2plab/labapp/approuter"
"github.com/Netflix/p2plab/metadata"
"github.com/Netflix/p2plab/peer"
"github.com/rs/zerolog"
)
type LabApp struct {
daemon *daemon.Daemon
peer *peer.Peer
closers []io.Closer
}
func New(ctx context.Context, root, addr string, port int, logger *zerolog.Logger, pdef metadata.PeerDefinition) (*LabApp, error) {
var closers []io.Closer
pctx, cancel := context.WithCancel(ctx)
p, err := peer.New(pctx, root, port, pdef)
if err != nil {
cancel()
return nil, err
}
closers = append(closers, &daemon.CancelCloser{Cancel: cancel})
daemon, err := daemon.New("labapp", addr, logger,
approuter.New(p),
)
if err != nil {
return nil, err
}
closers = append(closers, daemon)
return &LabApp{
daemon: daemon,
peer: p,
closers: closers,
}, nil
}
func (a *LabApp) Close() error {
for _, closer := range a.closers {
err := closer.Close()
if err != nil {
return err
}
}
return nil
}
func (a *LabApp) Serve(ctx context.Context) error {
var addrs []string
for _, ma := range a.peer.Host().Addrs() {
addrs = append(addrs, ma.String())
}
zerolog.Ctx(ctx).Info().Msgf("IPFS listening on %s", addrs)
return a.daemon.Serve(ctx)
}