tile38/cmd/tile38-server/main.go

439 lines
11 KiB
Go

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