merge from github.com/snonux/dtail

1 files changed, 40 insertions, 20 deletions

diff --git a/cmd/dgrep/main.go b/cmd/dgrep/main.go
index 133631f..602d318 100644
--- a/cmd/dgrep/main.go
+++ b/cmd/dgrep/main.go
@@ -3,67 +3,87 @@ package main
 import (
 	"context"
 	"flag"
+	"fmt"
 	"os"
+	"sync"
+
+	"net/http"
+	_ "net/http"
+	_ "net/http/pprof"
 
 	"github.com/mimecast/dtail/internal/clients"
-	"github.com/mimecast/dtail/internal/color"
 	"github.com/mimecast/dtail/internal/config"
-	"github.com/mimecast/dtail/internal/io/logger"
+	"github.com/mimecast/dtail/internal/io/dlog"
 	"github.com/mimecast/dtail/internal/io/signal"
+	"github.com/mimecast/dtail/internal/source"
 	"github.com/mimecast/dtail/internal/user"
 	"github.com/mimecast/dtail/internal/version"
 )
 
 // The evil begins here.
 func main() {
-	var args clients.Args
-	var cfgFile string
-	var debugEnable bool
+	var args config.Args
 	var displayVersion bool
 	var grep string
-	var noColor bool
-	var sshPort int
-
+	var pprof int
 	userName := user.Name()
 
+	flag.BoolVar(&args.NoColor, "noColor", false, "Disable ANSII terminal colors")
+	flag.BoolVar(&args.Quiet, "quiet", false, "Quiet output mode")
 	flag.BoolVar(&args.RegexInvert, "invert", false, "Invert regex")
-	flag.BoolVar(&args.TrustAllHosts, "trustAllHosts", false, "Auto trust all unknown host keys")
-	flag.BoolVar(&debugEnable, "debug", false, "Activate debug messages")
+	flag.BoolVar(&args.Spartan, "spartan", false, "Spartan output mode")
+	flag.BoolVar(&args.TrustAllHosts, "trustAllHosts", false, "Trust all unknown host keys")
 	flag.BoolVar(&displayVersion, "version", false, "Display version")
-	flag.BoolVar(&noColor, "noColor", false, "Disable ANSII terminal colors")
-	flag.IntVar(&args.ConnectionsPerCPU, "cpc", 10, "How many connections established per CPU core concurrently")
-	flag.IntVar(&sshPort, "port", 2222, "SSH server port")
+	flag.IntVar(&args.ConnectionsPerCPU, "cpc", config.DefaultConnectionsPerCPU,
+		"How many connections established per CPU core concurrently")
+	flag.IntVar(&args.LContext.AfterContext, "after", 0, "Print lines of trailing context after matching lines")
+	flag.IntVar(&args.LContext.BeforeContext, "before", 0, "Print lines of leading context before matching lines")
+	flag.IntVar(&args.LContext.MaxCount, "max", 0, "Stop reading file after NUM matching lines")
+	flag.IntVar(&args.SSHPort, "port", config.DefaultSSHPort, "SSH server port")
+	flag.IntVar(&pprof, "pprof", -1, "Start PProf server this port")
+	flag.StringVar(&args.ConfigFile, "cfg", "", "Config file path")
 	flag.StringVar(&args.Discovery, "discovery", "", "Server discovery method")
+	flag.StringVar(&args.LogDir, "logDir", "~/log", "Log dir")
+	flag.StringVar(&args.Logger, "logger", config.DefaultClientLogger, "Logger name")
+	flag.StringVar(&args.LogLevel, "logLevel", config.DefaultLogLevel, "Log level")
 	flag.StringVar(&args.PrivateKeyPathFile, "key", "", "Path to private key")
 	flag.StringVar(&args.RegexStr, "regex", ".", "Regular expression")
 	flag.StringVar(&args.ServersStr, "servers", "", "Remote servers to connect")
 	flag.StringVar(&args.UserName, "user", userName, "Your system user name")
 	flag.StringVar(&args.What, "files", "", "File(s) to read")
-	flag.StringVar(&cfgFile, "cfg", "", "Config file path")
 	flag.StringVar(&grep, "grep", "", "Alias for -regex")
 
 	flag.Parse()
-
-	config.Read(cfgFile, sshPort)
-	color.Colored = !noColor
+	config.Setup(source.Client, &args, flag.Args())
 
 	if displayVersion {
 		version.PrintAndExit()
 	}
 
-	ctx := context.TODO()
-	logger.Start(ctx, logger.Modes{Debug: debugEnable || config.Common.DebugEnable})
+	ctx, cancel := context.WithCancel(context.Background())
+	var wg sync.WaitGroup
+	wg.Add(1)
+	dlog.Start(ctx, &wg, source.Client)
 
 	if grep != "" {
 		args.RegexStr = grep
 	}
 
+	if pprof > -1 {
+		// For debugging purposes only
+		pprofArgs := fmt.Sprintf("0.0.0.0:%d", pprof)
+		go http.ListenAndServe(pprofArgs, nil)
+		dlog.Client.Info("Started PProf", pprofArgs)
+	}
+
 	client, err := clients.NewGrepClient(args)
 	if err != nil {
 		panic(err)
 	}
 
 	status := client.Start(ctx, signal.InterruptCh(ctx))
-	logger.Flush()
+	cancel()
+
+	wg.Wait()
 	os.Exit(status)
 }