72 lines
2.5 KiB
Go
72 lines
2.5 KiB
Go
package guardiand
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import (
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"fmt"
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"net"
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"os"
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"github.com/certusone/wormhole/node/pkg/common"
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"github.com/certusone/wormhole/node/pkg/db"
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"github.com/certusone/wormhole/node/pkg/governor"
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publicrpcv1 "github.com/certusone/wormhole/node/pkg/proto/publicrpc/v1"
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"github.com/certusone/wormhole/node/pkg/publicrpc"
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"github.com/certusone/wormhole/node/pkg/supervisor"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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)
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func publicrpcTcpServiceRunnable(logger *zap.Logger, listenAddr string, db *db.Database, gst *common.GuardianSetState, gov *governor.ChainGovernor) (supervisor.Runnable, error) {
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l, err := net.Listen("tcp", listenAddr)
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if err != nil {
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return nil, fmt.Errorf("failed to listen: %w", err)
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}
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logger.Info("publicrpc server listening", zap.String("addr", l.Addr().String()))
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rpcServer := publicrpc.NewPublicrpcServer(logger, db, gst, gov)
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grpcServer := common.NewInstrumentedGRPCServer(logger)
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publicrpcv1.RegisterPublicRPCServiceServer(grpcServer, rpcServer)
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return supervisor.GRPCServer(grpcServer, l, false), nil
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}
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func publicrpcUnixServiceRunnable(logger *zap.Logger, socketPath string, db *db.Database, gst *common.GuardianSetState, gov *governor.ChainGovernor) (supervisor.Runnable, *grpc.Server, error) {
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// Delete existing UNIX socket, if present.
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fi, err := os.Stat(socketPath)
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if err == nil {
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fmode := fi.Mode()
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if fmode&os.ModeType == os.ModeSocket {
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err = os.Remove(socketPath)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to remove existing socket at %s: %w", socketPath, err)
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}
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} else {
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return nil, nil, fmt.Errorf("%s is not a UNIX socket", socketPath)
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}
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}
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// Create a new UNIX socket and listen to it.
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// The socket is created with the default umask. We set a restrictive umask in setRestrictiveUmask
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// to ensure that any files we create are only readable by the user - this is much harder to mess up.
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// The umask avoids a race condition between file creation and chmod.
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laddr, err := net.ResolveUnixAddr("unix", socketPath)
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if err != nil {
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return nil, nil, fmt.Errorf("invalid listen address: %v", err)
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}
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l, err := net.ListenUnix("unix", laddr)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to listen on %s: %w", socketPath, err)
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}
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logger.Info("publicrpc (unix socket) server listening on", zap.String("path", socketPath))
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publicrpcService := publicrpc.NewPublicrpcServer(logger, db, gst, gov)
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grpcServer := common.NewInstrumentedGRPCServer(logger)
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publicrpcv1.RegisterPublicRPCServiceServer(grpcServer, publicrpcService)
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return supervisor.GRPCServer(grpcServer, l, false), grpcServer, nil
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}
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