open-match.dev/open-match@v1.8.1/examples/scale/evaluator/evaluator.go (about)

     1  //
     2  // Licensed under the Apache License, Version 2.0 (the "License");
     3  // you may not use this file except in compliance with the License.
     4  // You may obtain a copy of the License at
     5  //
     6  //     http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package evaluator
    15  
    16  import (
    17  	"fmt"
    18  	"net"
    19  
    20  	"github.com/sirupsen/logrus"
    21  	"google.golang.org/grpc"
    22  
    23  	"open-match.dev/open-match/pkg/pb"
    24  
    25  	utilTesting "open-match.dev/open-match/internal/util/testing"
    26  
    27  	"open-match.dev/open-match/examples/scale/scenarios"
    28  )
    29  
    30  var (
    31  	logger = logrus.WithFields(logrus.Fields{
    32  		"app":       "openmatch",
    33  		"component": "scale.evaluator",
    34  	})
    35  )
    36  
    37  // Run triggers execution of an evaluator.
    38  func Run() {
    39  	activeScenario := scenarios.ActiveScenario
    40  
    41  	server := grpc.NewServer(utilTesting.NewGRPCServerOptions(logger)...)
    42  	pb.RegisterEvaluatorServer(server, activeScenario.Evaluator)
    43  	ln, err := net.Listen("tcp", fmt.Sprintf(":%d", 50508))
    44  	if err != nil {
    45  		logger.WithFields(logrus.Fields{
    46  			"error": err.Error(),
    47  			"port":  50508,
    48  		}).Fatal("net.Listen() error")
    49  	}
    50  
    51  	logger.WithFields(logrus.Fields{
    52  		"port": 50508,
    53  	}).Info("TCP net listener initialized")
    54  
    55  	logger.Info("Serving gRPC endpoint")
    56  	err = server.Serve(ln)
    57  	if err != nil {
    58  		logger.WithFields(logrus.Fields{
    59  			"error": err.Error(),
    60  		}).Fatal("gRPC serve() error")
    61  	}
    62  }