ussd/cmd/http/main.go

156 lines
3.5 KiB
Go
Raw Normal View History

package main
import (
"context"
"flag"
"fmt"
"net/http"
"os"
"os/signal"
"path"
"strconv"
"syscall"
"git.defalsify.org/vise.git/asm"
"git.defalsify.org/vise.git/engine"
"git.defalsify.org/vise.git/logging"
2024-09-19 15:16:17 +02:00
"git.defalsify.org/vise.git/resource"
"git.grassecon.net/urdt/ussd/internal/handlers"
httpserver "git.grassecon.net/urdt/ussd/internal/http"
2024-09-19 15:16:17 +02:00
"git.grassecon.net/urdt/ussd/internal/storage"
)
var (
2024-09-19 15:16:17 +02:00
logg = logging.NewVanilla()
scriptDir = path.Join("services", "registration")
)
func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
flagParser := asm.NewFlagParser().WithDebug()
_, err := flagParser.Load(fp)
if err != nil {
return nil, err
}
return flagParser, nil
}
func ensureDbDir(dbDir string) error {
err := os.MkdirAll(dbDir, 0700)
if err != nil {
return fmt.Errorf("state dir create exited with error: %v\n", err)
}
return nil
}
func main() {
var dbDir string
var resourceDir string
var size uint
var engineDebug bool
var stateDebug bool
var host string
var port uint
flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
flag.UintVar(&size, "s", 160, "max size of output")
flag.StringVar(&host, "h", "127.0.0.1", "http host")
flag.UintVar(&port, "p", 7123, "http port")
flag.Parse()
2024-09-19 15:16:17 +02:00
logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size)
ctx := context.Background()
pfp := path.Join(scriptDir, "pp.csv")
flagParser, err := getFlags(pfp, true)
if err != nil {
os.Exit(1)
}
cfg := engine.Config{
Root: "root",
OutputSize: uint32(size),
FlagCount: uint32(16),
}
if stateDebug {
cfg.StateDebug = true
}
if engineDebug {
cfg.EngineDebug = true
}
2024-09-19 15:16:17 +02:00
menuStorageService := storage.MenuStorageService{}
rs, err := menuStorageService.GetResource(scriptDir, ctx)
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
2024-09-19 15:16:17 +02:00
err = menuStorageService.EnsureDbDir(dbDir)
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
2024-09-19 15:16:17 +02:00
userdataStore := menuStorageService.GetUserdataDb(dbDir, ctx)
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
defer userdataStore.Close()
dbResource, ok := rs.(*resource.DbResource)
if !ok {
os.Exit(1)
}
2024-09-19 15:16:17 +02:00
lhs := handlers.LocalHandlerService{
Parser: flagParser,
DbRs: dbResource,
UserdataStore: userdataStore,
Cfg: cfg,
Rs: rs,
}
hl, err := lhs.GetHandler()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
2024-09-19 15:16:17 +02:00
stateStore, err := menuStorageService.GetStateStore(dbDir, ctx)
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
defer stateStore.Close()
rp := &httpserver.DefaultRequestParser{}
bsh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
sh := httpserver.ToSessionHandler(bsh)
s := &http.Server{
2024-09-19 15:16:17 +02:00
Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
Handler: sh,
}
s.RegisterOnShutdown(sh.Shutdown)
cint := make(chan os.Signal)
cterm := make(chan os.Signal)
signal.Notify(cint, os.Interrupt, syscall.SIGINT)
signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
go func() {
select {
case _ = <-cint:
case _ = <-cterm:
}
s.Shutdown(ctx)
}()
err = s.ListenAndServe()
if err != nil {
logg.Infof("Server closed with error", "err", err)
}
}