/
server.go
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/
server.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package server
import (
"fmt"
"github.com/goodrain/rainbond/mq/api/grpc/pb"
"github.com/goodrain/rainbond/mq/api/mq"
"github.com/Sirupsen/logrus"
context "golang.org/x/net/context"
proto "github.com/golang/protobuf/proto"
grpc1 "google.golang.org/grpc"
)
type mqServer struct {
actionMQ mq.ActionMQ
}
func (s *mqServer) Enqueue(ctx context.Context, in *pb.EnqueueRequest) (*pb.TaskReply, error) {
if in.Topic == "" || !s.actionMQ.TopicIsExist(in.Topic) {
return nil, fmt.Errorf("topic %s is not support", in.Topic)
}
message, err := proto.Marshal(in.Message)
if err != nil {
return nil, err
}
ctx, cancel := context.WithCancel(ctx)
defer cancel()
err = s.actionMQ.Enqueue(ctx, in.Topic, string(message))
if err != nil {
return nil, err
}
logrus.Debugf("task (%v) enqueue.", in.Message.String())
return &pb.TaskReply{
Status: "success",
}, nil
}
func (s *mqServer) Topics(ctx context.Context, in *pb.TopicRequest) (*pb.TaskReply, error) {
return &pb.TaskReply{
Status: "success",
Topics: s.actionMQ.GetAllTopics(),
}, nil
}
func (s *mqServer) Dequeue(ctx context.Context, in *pb.DequeueRequest) (*pb.TaskMessage, error) {
if in.Topic == "" || !s.actionMQ.TopicIsExist(in.Topic) {
return nil, fmt.Errorf("topic %s is not support", in.Topic)
}
ctx, cancel := context.WithCancel(ctx)
defer cancel()
message, err := s.actionMQ.Dequeue(ctx, in.Topic)
if err != nil {
return nil, err
}
var task pb.TaskMessage
err = proto.Unmarshal([]byte(message), &task)
if err != nil {
return nil, err
}
logrus.Infof("task (%s) dnqueue by (%s).", task.GetTaskType(), in.ClientHost)
return &task, nil
}
//RegisterServer 注册服务
func RegisterServer(server *grpc1.Server, actionMQ mq.ActionMQ) {
pb.RegisterTaskQueueServer(server, &mqServer{actionMQ})
}