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grpc.go
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grpc.go
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// Package api provides the web interface
package api
import (
"context"
"fmt"
"log"
"net"
"github.com/foroozf001/logger-service/internal/data"
pb "github.com/foroozf001/logger-service/internal/proto/v1"
"google.golang.org/grpc"
)
// LogServer is type used for writing to the log via gRPC
type LogServer struct {
pb.UnimplementedLogServiceServer
Models data.Models
}
// WriteLog writes the log after receiving a call from a gRPC client
func (l *LogServer) WriteLog(ctx context.Context, req *pb.LogRequest) (*pb.LogResponse, error) {
input := req.GetLogEntry()
LogItem := data.LogItem{
Name: input.Name,
Data: input.Data,
}
err := l.Models.LogItem.Insert(LogItem)
if err != nil {
res := &pb.LogResponse{Result: "failed"}
return res, err
}
res := &pb.LogResponse{Result: "logged"}
return res, nil
}
func (app *Config) GrpcListen(grpcPort string) {
listen, err := net.Listen("tcp", fmt.Sprintf(":%s", grpcPort))
if err != nil {
log.Fatalf("failed to listen for tcp: %v", err)
}
s := grpc.NewServer()
pb.RegisterLogServiceServer(s, &LogServer{Models: app.Models})
log.Printf("listening on grpc port %s\n", grpcPort)
if err := s.Serve(listen); err != nil {
log.Fatalf("failed to listen for grpc: %v", err)
}
}