mirror of https://github.com/tidwall/tile38.git
417 lines
10 KiB
Go
417 lines
10 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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_ "net/http/pprof"
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"os"
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"os/signal"
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"runtime"
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"runtime/pprof"
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"strconv"
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"strings"
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"sync"
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"syscall"
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"github.com/tidwall/tile38/core"
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"github.com/tidwall/tile38/internal/hservice"
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"github.com/tidwall/tile38/internal/log"
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"github.com/tidwall/tile38/internal/server"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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)
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var (
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dir string
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port int
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host string
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verbose bool
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veryVerbose bool
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devMode bool
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quiet bool
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pidfile string
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cpuprofile string
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memprofile string
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pprofport int
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nohup bool
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)
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// TODO: Set to false in 2.*
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var httpTransport = true
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////////////////////////////////////////////////////////////////////////////////
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//
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// Fire up a webhook test server by using the --webhook-http-consumer-port
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// for example
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// $ ./tile38-server --webhook-http-consumer-port 9999
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//
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// The create hooks like such...
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// SETHOOK myhook http://localhost:9999/myhook NEARBY mykey FENCE POINT 33.5 -115.5 1000
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// Memory profiling - start the server with the -pprofport flag
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//
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// $ ./tile38-server -pprofport 6060
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//
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// Then, at any point, from a different terminal execute:
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// $ go tool pprof -svg http://localhost:6060/debug/pprof/heap > out.svg
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//
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// Load the SVG into a web browser to visualize the memory usage
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//
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////////////////////////////////////////////////////////////////////////////////
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type hserver struct{}
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func (s *hserver) Send(ctx context.Context, in *hservice.MessageRequest) (*hservice.MessageReply, error) {
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return &hservice.MessageReply{Ok: true}, nil
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}
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func main() {
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gitsha := " (" + core.GitSHA + ")"
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if gitsha == " (0000000)" {
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gitsha = ""
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}
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versionLine := `tile38-server version: ` + core.Version + gitsha
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output := os.Stderr
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flag.Usage = func() {
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fmt.Fprintf(output,
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versionLine+`
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Usage: tile38-server [-p port]
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Basic Options:
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-h hostname : listening host
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-p port : listening port (default: 9851)
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-d path : data directory (default: data)
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-q : no logging. totally silent output
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-v : enable verbose logging
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-vv : enable very verbose logging
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Advanced Options:
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--pidfile path : file that contains the pid
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--appendonly yes/no : AOF persistence (default: yes)
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--appendfilename path : AOF path (default: data/appendonly.aof)
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--queuefilename path : Event queue path (default:data/queue.db)
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--http-transport yes/no : HTTP transport (default: yes)
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--protected-mode yes/no : protected mode (default: yes)
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--threads num : number of network threads (default: num cores)
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--nohup : do not exist on SIGHUP
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Developer Options:
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--dev : enable developer mode
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--webhook-http-consumer-port port : Start a test HTTP webhook server
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--webhook-grpc-consumer-port port : Start a test GRPC webhook server
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`,
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)
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}
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if len(os.Args) == 3 && os.Args[1] == "--webhook-http-consumer-port" {
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log.SetOutput(os.Stderr)
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port, err := strconv.ParseUint(os.Args[2], 10, 16)
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if err != nil {
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log.Fatal(err)
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}
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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data, err := ioutil.ReadAll(r.Body)
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if err != nil {
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log.Fatal(err)
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}
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log.HTTPf("http: %s : %s", r.URL.Path, string(data))
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})
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log.Infof("webhook server http://localhost:%d/", port)
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if err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil); err != nil {
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log.Fatal(err)
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}
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return
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}
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if len(os.Args) == 3 && os.Args[1] == "--webhook-grpc-consumer-port" {
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log.SetOutput(os.Stderr)
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port, err := strconv.ParseUint(os.Args[2], 10, 16)
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if err != nil {
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log.Fatal(err)
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}
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
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if err != nil {
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log.Fatal(err)
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}
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s := grpc.NewServer()
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hservice.RegisterHookServiceServer(s, &hserver{})
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log.Infof("webhook server grpc://localhost:%d/", port)
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if err := s.Serve(lis); err != nil {
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log.Fatal(err)
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}
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return
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}
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var showEvioDisabled bool
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// parse non standard args.
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nargs := []string{os.Args[0]}
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for i := 1; i < len(os.Args); i++ {
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switch os.Args[i] {
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case "--help":
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output = os.Stdout
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flag.Usage()
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return
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case "--version":
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fmt.Fprintf(os.Stdout, "%s\n", versionLine)
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return
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case "--protected-mode", "-protected-mode":
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i++
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if i < len(os.Args) {
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switch strings.ToLower(os.Args[i]) {
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case "no":
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core.ProtectedMode = "no"
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continue
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case "yes":
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core.ProtectedMode = "yes"
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continue
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}
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}
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fmt.Fprintf(os.Stderr, "protected-mode must be 'yes' or 'no'\n")
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os.Exit(1)
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case "--dev", "-dev":
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devMode = true
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continue
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case "--nohup", "-nohup":
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nohup = true
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continue
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case "--appendonly", "-appendonly":
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i++
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if i < len(os.Args) {
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switch strings.ToLower(os.Args[i]) {
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case "no":
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core.AppendOnly = false
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continue
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case "yes":
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core.AppendOnly = true
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continue
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}
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}
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fmt.Fprintf(os.Stderr, "appendonly must be 'yes' or 'no'\n")
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os.Exit(1)
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case "--appendfilename", "-appendfilename":
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i++
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if i == len(os.Args) || os.Args[i] == "" {
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fmt.Fprintf(os.Stderr, "appendfilename must have a value\n")
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os.Exit(1)
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}
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core.AppendFileName = os.Args[i]
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case "--queuefilename", "-queuefilename":
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i++
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if i == len(os.Args) || os.Args[i] == "" {
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fmt.Fprintf(os.Stderr, "queuefilename must have a value\n")
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os.Exit(1)
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}
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core.QueueFileName = os.Args[i]
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case "--http-transport", "-http-transport":
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i++
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if i < len(os.Args) {
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switch strings.ToLower(os.Args[i]) {
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case "1", "true", "yes":
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httpTransport = true
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continue
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case "0", "false", "no":
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httpTransport = false
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continue
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}
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}
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fmt.Fprintf(os.Stderr, "http-transport must be 'yes' or 'no'\n")
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os.Exit(1)
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case "--threads", "-threads":
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i++
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if i < len(os.Args) {
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n, err := strconv.ParseUint(os.Args[i], 10, 16)
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if err != nil {
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fmt.Fprintf(os.Stderr, "threads must be a valid number\n")
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os.Exit(1)
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}
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core.NumThreads = int(n)
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continue
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}
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fmt.Fprintf(os.Stderr, "http-transport must be 'yes' or 'no'\n")
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os.Exit(1)
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case "--evio", "-evio":
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i++
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if i < len(os.Args) {
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switch strings.ToLower(os.Args[i]) {
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case "no", "yes":
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showEvioDisabled = true
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continue
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}
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}
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fmt.Fprintf(os.Stderr, "evio must be 'yes' or 'no'\n")
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os.Exit(1)
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}
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nargs = append(nargs, os.Args[i])
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}
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os.Args = nargs
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flag.IntVar(&port, "p", 9851, "The listening port.")
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flag.StringVar(&pidfile, "pidfile", "", "A file that contains the pid")
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flag.StringVar(&host, "h", "", "The listening host.")
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flag.StringVar(&dir, "d", "data", "The data directory.")
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flag.BoolVar(&verbose, "v", false, "Enable verbose logging.")
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flag.BoolVar(&quiet, "q", false, "Quiet logging. Totally silent.")
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flag.BoolVar(&veryVerbose, "vv", false, "Enable very verbose logging.")
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flag.IntVar(&pprofport, "pprofport", 0, "pprofport http at port")
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flag.StringVar(&cpuprofile, "cpuprofile", "", "write cpu profile to `file`")
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flag.StringVar(&memprofile, "memprofile", "", "write memory profile to `file`")
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flag.Parse()
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var logw io.Writer = os.Stderr
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if quiet {
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logw = ioutil.Discard
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}
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log.SetOutput(logw)
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if quiet {
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log.Level = 0
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} else if veryVerbose {
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log.Level = 3
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} else if verbose {
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log.Level = 2
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} else {
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log.Level = 1
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}
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core.DevMode = devMode
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core.ShowDebugMessages = veryVerbose
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hostd := ""
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if host != "" {
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hostd = "Addr: " + host + ", "
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}
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// pprof
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if cpuprofile != "" {
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log.Debugf("cpuprofile active")
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f, err := os.Create(cpuprofile)
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if err != nil {
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log.Fatal("could not create CPU profile: ", err)
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}
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if err := pprof.StartCPUProfile(f); err != nil {
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log.Fatal("could not start CPU profile: ", err)
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}
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}
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if memprofile != "" {
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log.Debug("memprofile active")
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}
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var pprofcleanedup bool
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var pprofcleanupMu sync.Mutex
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pprofcleanup := func() {
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pprofcleanupMu.Lock()
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defer pprofcleanupMu.Unlock()
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if pprofcleanedup {
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return
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}
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// cleanup code
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if cpuprofile != "" {
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pprof.StopCPUProfile()
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}
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if memprofile != "" {
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f, err := os.Create(memprofile)
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if err != nil {
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log.Fatal("could not create memory profile: ", err)
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}
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runtime.GC() // get up-to-date statistics
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if err := pprof.WriteHeapProfile(f); err != nil {
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log.Fatal("could not write memory profile: ", err)
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}
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f.Close()
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}
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pprofcleanedup = true
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}
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defer pprofcleanup()
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if pprofport != 0 {
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log.Debugf("pprof http at port %d", pprofport)
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go func() {
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log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", pprofport), nil))
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}()
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}
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// pid file
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var pidferr error
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var pidcleanedup bool
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var pidcleanupMu sync.Mutex
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pidcleanup := func() {
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if pidfile != "" {
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pidcleanupMu.Lock()
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defer pidcleanupMu.Unlock()
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if pidcleanedup {
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return
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}
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// cleanup code
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if pidfile != "" {
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os.Remove(pidfile)
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}
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pidcleanedup = true
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}
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}
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defer pidcleanup()
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if pidfile != "" {
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pidferr := ioutil.WriteFile(pidfile, []byte(fmt.Sprintf("%d\n", os.Getpid())), 0666)
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if pidferr == nil {
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}
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}
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
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go func() {
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for s := range c {
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if s == syscall.SIGHUP && nohup {
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continue
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}
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log.Warnf("signal: %v", s)
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pidcleanup()
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pprofcleanup()
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switch {
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default:
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os.Exit(-1)
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case s == syscall.SIGHUP:
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os.Exit(1)
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case s == syscall.SIGINT:
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os.Exit(2)
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case s == syscall.SIGQUIT:
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os.Exit(3)
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case s == syscall.SIGTERM:
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os.Exit(0xf)
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}
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}
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}()
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// _____ _ _ ___ ___
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// |_ _|_| |___|_ | . |
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// | | | | | -_|_ | . |
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// |_| |_|_|___|___|___|
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fmt.Fprintf(logw, `
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_______ _______
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| | |
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|____ | _ | Tile38 %s%s %d bit (%s/%s)
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| | | %sPort: %d, PID: %d
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|____ | _ |
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| | | tile38.com
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|_______|_______|
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`+"\n", core.Version, gitsha, strconv.IntSize, runtime.GOARCH, runtime.GOOS, hostd, port, os.Getpid())
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if pidferr != nil {
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log.Warnf("pidfile: %v", pidferr)
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}
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if showEvioDisabled {
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// we don't currently support evio in Tile38
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log.Warnf("evio is not currently supported")
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}
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if err := server.Serve(host, port, dir, httpTransport); err != nil {
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log.Fatal(err)
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}
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}
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