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70 lines
1.5 KiB
70 lines
1.5 KiB
/*
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Package server is used to start a new ABCI server.
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It defines the struct for gRPC server settings, and functions for:
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* Starting a new gRPC server
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* Stopping a gRPC server
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*/
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package server
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import (
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"net"
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"strings"
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"google.golang.org/grpc"
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"github.com/tendermint/abci/types"
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cmn "github.com/tendermint/tmlibs/common"
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)
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// var maxNumberConnections = 2
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//GRPCServer is used to set the protocol and address for gRPC.
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type GRPCServer struct {
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cmn.BaseService
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proto string
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addr string
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listener net.Listener
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server *grpc.Server
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app types.ABCIApplicationServer
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}
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//NewGRPCServer allows setting up a new gRPC ABCI server.
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func NewGRPCServer(protoAddr string, app types.ABCIApplicationServer) (cmn.Service, error) {
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parts := strings.SplitN(protoAddr, "://", 2)
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proto, addr := parts[0], parts[1]
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s := &GRPCServer{
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proto: proto,
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addr: addr,
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listener: nil,
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app: app,
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}
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s.BaseService = *cmn.NewBaseService(nil, "ABCIServer", s)
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_, err := s.Start() // Just start it
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return s, err
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}
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//Onstart registers a new gRPC service and tells that service to listen on the port that is set in NewGRPCServer.
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func (s *GRPCServer) OnStart() error {
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s.BaseService.OnStart()
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ln, err := net.Listen(s.proto, s.addr)
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if err != nil {
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return err
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}
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s.listener = ln
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s.server = grpc.NewServer()
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types.RegisterABCIApplicationServer(s.server, s.app)
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go s.server.Serve(s.listener)
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return nil
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}
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//OnStop is called when a gRPC server is stopped.
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func (s *GRPCServer) OnStop() {
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s.BaseService.OnStop()
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s.server.Stop()
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}
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