63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
package dtmpb
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import (
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context "context"
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"strings"
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"github.com/yedf/dtm/dtmcli"
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grpc "google.golang.org/grpc"
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)
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var clients = map[string]*grpc.ClientConn{}
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// GetGrpcConn 1
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func GetGrpcConn(grpcServer string) (conn *grpc.ClientConn, rerr error) {
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if clients[grpcServer] == nil {
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conn, err := grpc.Dial(grpcServer, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithUnaryInterceptor(GrpcClientLog))
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if err == nil {
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clients[grpcServer] = conn
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dtmcli.Logf("dtm client inited for %s", grpcServer)
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}
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}
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conn = clients[grpcServer]
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return
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}
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// MustGetGrpcConn 1
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func MustGetGrpcConn(grpcServer string) *grpc.ClientConn {
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conn, err := GetGrpcConn(grpcServer)
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dtmcli.E2P(err)
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return conn
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}
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// MustGetDtmClient 1
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func MustGetDtmClient(grpcServer string) DtmClient {
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return NewDtmClient(MustGetGrpcConn(grpcServer))
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}
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// GetServerAndMethod 将grpc的url分解为server和method
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func GetServerAndMethod(grpcURL string) (string, string) {
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fs := strings.Split(grpcURL, "/")
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server := fs[0]
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method := "/" + strings.Join(fs[1:], "/")
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return server, method
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}
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// GrpcServerLog 打印grpc服务端的日志
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func GrpcServerLog(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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dtmcli.Logf("grpc server handling: %s %v", info.FullMethod, req)
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m, err := handler(ctx, req)
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log := dtmcli.If(err != nil, dtmcli.LogRedf, dtmcli.Logf).(dtmcli.LogFunc)
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log("grpc server handled: %s %v result: %v err: %v", info.FullMethod, req, m, err)
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return m, err
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}
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// GrpcClientLog 打印grpc服务端的日志
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func GrpcClientLog(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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dtmcli.Logf("grpc client calling: %s%s %v", cc.Target(), method, req)
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err := invoker(ctx, method, req, reply, cc, opts...)
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log := dtmcli.If(err != nil, dtmcli.LogRedf, dtmcli.Logf).(dtmcli.LogFunc)
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log("grpc client called: %s%s %v result: %v err: %v", cc.Target(), method, req, reply, err)
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return err
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}
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