68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package cli
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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manet "github.com/multiformats/go-multiaddr-net"
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"gopkg.in/urfave/cli.v2"
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"github.com/filecoin-project/go-lotus/api"
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"github.com/filecoin-project/go-lotus/api/client"
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"github.com/filecoin-project/go-lotus/node/repo"
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)
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const (
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metadataContext = "context"
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)
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// ApiConnector returns API instance
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type ApiConnector func() api.API
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func getAPI(ctx *cli.Context) (api.API, error) {
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r, err := repo.NewFS(ctx.String("repo"))
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if err != nil {
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return nil, err
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}
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ma, err := r.APIEndpoint()
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if err != nil {
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return nil, err
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}
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_, addr, err := manet.DialArgs(ma)
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if err != nil {
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return nil, err
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}
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return client.NewRPC("http://" + addr + "/rpc/v0"), nil
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}
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// reqContext returns context for cli execution. Calling it for the first time
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// installs SIGTERM handler that will close returned context.
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// Not safe for concurrent execution.
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func reqContext(cctx *cli.Context) context.Context {
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if uctx, ok := cctx.App.Metadata[metadataContext]; ok {
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// unchecked cast as if something else is in there
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// it is crash worthy either way
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return uctx.(context.Context)
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}
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ctx, done := context.WithCancel(context.Background())
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sigChan := make(chan os.Signal, 2)
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go func() {
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<-sigChan
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done()
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}()
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signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT)
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return ctx
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}
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var Commands = []*cli.Command{
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chainCmd,
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netCmd,
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versionCmd,
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mpoolCmd,
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minerCmd,
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}
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