src: Add DMA localagent

[barometer.git] / src / dma / cmd / server / main.go

diff --git a/src/dma/cmd/server/main.go b/src/dma/cmd/server/main.go
new file mode 100644 (file)
index 0000000..2e028fa
--- /dev/null
+++ b/src/dma/cmd/server/main.go
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2017 NEC Corporation
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+package main
+
+import (
+       "context"
+       "flag"
+       "github.com/BurntSushi/toml"
+       "log"
+       "os"
+       "sync"
+)
+
+var serverTypeOpt = flag.String("type", "both", "server type: both(default), pubsub, rest")
+
+// Config is ...
+type Config struct {
+       Server ServerConfig
+}
+
+// ServerConfig is ...
+type ServerConfig struct {
+       ListenPort string `toml:"listen_port"`
+
+       AmqpHost     string `toml:"amqp_host"`
+       AmqpUser     string `toml:"amqp_user"`
+       AmqpPassword string `toml:"amqp_password"`
+       AmqpPort     string `toml:"amqp_port"`
+
+       CollectdConfDir string `toml:"collectd_confdir"`
+}
+
+func main() {
+
+       var config Config
+       _, err := toml.DecodeFile("/etc/barometer-dma/config.toml", &config)
+       if err != nil {
+               log.Fatalf("Read error of config file")
+       }
+
+       if f, err := os.Stat(config.Server.CollectdConfDir); os.IsNotExist(err) || !f.IsDir() {
+               log.Fatalf("Path \"%s\" is not a directory", config.Server.CollectdConfDir)
+       }
+
+       var waitgroup sync.WaitGroup
+
+       flag.Parse()
+
+       if *serverTypeOpt == "both" || *serverTypeOpt == "pubsub" {
+               ctx := context.Background()
+               waitgroup.Add(1)
+               go func() {
+                       defer waitgroup.Done()
+                       runSubscriber(ctx, &config)
+               }()
+               log.Printf("Waiting for publish.")
+       }
+
+       if *serverTypeOpt == "both" || *serverTypeOpt == "rest" {
+               ctx := context.Background()
+               waitgroup.Add(1)
+               go func() {
+                       defer waitgroup.Done()
+                       runAPIServer(ctx, &config)
+               }()
+               log.Printf("Waiting for REST.")
+       }
+
+       waitgroup.Wait()
+       log.Printf("Server stop.")
+}