mirror of https://github.com/certusone/dc4bc.git
94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
package main
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import (
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"context"
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"log"
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"os"
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"os/signal"
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"syscall"
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"github.com/depools/dc4bc/client"
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"github.com/depools/dc4bc/qr"
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"github.com/depools/dc4bc/storage"
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"github.com/spf13/cobra"
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)
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const (
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flagListenAddr = "listen_addr"
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flagStateDBDSN = "state_dbdsn"
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flagStorageDBDSN = "storage_dbdsn"
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)
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func init() {
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rootCmd.PersistentFlags().String(flagListenAddr, "localhost:8080", "Listen address")
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rootCmd.PersistentFlags().String(flagStateDBDSN, "./dc4bc_client_state", "State DBDSN")
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rootCmd.PersistentFlags().String(flagStorageDBDSN, "./dc4bc_file_storage", "Storage DBDSN")
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}
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var rootCmd = &cobra.Command{
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Use: "dc4bc_client",
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Short: "dc4bc client implementation",
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Run: func(cmd *cobra.Command, args []string) {
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listenAddr, err := cmd.PersistentFlags().GetString(flagListenAddr)
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if err != nil {
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log.Fatalf("failed to read configuration: %v", err)
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}
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stateDBDSN, err := cmd.PersistentFlags().GetString(flagStateDBDSN)
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if err != nil {
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log.Fatalf("failed to read configuration: %v", err)
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}
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storageDBDSN, err := cmd.PersistentFlags().GetString(flagStorageDBDSN)
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if err != nil {
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log.Fatalf("failed to read configuration: %v", err)
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}
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ctx := context.Background()
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ctx, cancel := context.WithCancel(ctx)
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state, err := client.NewLevelDBState(stateDBDSN)
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if err != nil {
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log.Fatalf("Failed to init state client: %v", err)
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}
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stg, err := storage.NewFileStorage(storageDBDSN)
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if err != nil {
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log.Fatalf("Failed to init storage client: %v", err)
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}
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processor := qr.NewCameraProcessor()
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// TODO: create state machine.
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cli, err := client.NewClient(ctx, nil, state, stg, processor)
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if err != nil {
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log.Fatalf("Failed to init client: %v", err)
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}
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sigs
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log.Println("Received signal, stopping client...")
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cancel()
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log.Println("Client stopped, exiting")
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os.Exit(0)
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}()
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log.Printf("Client started on %s...", listenAddr)
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if err := cli.StartHTTPServer(listenAddr); err != nil {
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log.Fatalf("Client error: %v", err)
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}
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},
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}
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func main() {
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if err := rootCmd.Execute(); err != nil {
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log.Fatalf("Failed to execute root command: %v", err)
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}
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}
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