Enable CLI driver of async session #49
236
cmd/async/main.go
Normal file
236
cmd/async/main.go
Normal file
@ -0,0 +1,236 @@
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package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"path"
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"git.defalsify.org/vise.git/asm"
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"git.defalsify.org/vise.git/db"
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fsdb "git.defalsify.org/vise.git/db/fs"
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gdbmdb "git.defalsify.org/vise.git/db/gdbm"
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/logging"
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"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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"git.grassecon.net/urdt/ussd/internal/handlers"
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)
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var (
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logg = logging.NewVanilla()
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scriptDir = path.Join("services", "registration")
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)
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type asyncRequestParser struct {
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sessionId string
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input []byte
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}
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func(p *asyncRequestParser) GetSessionId(r any) (string, error) {
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return p.sessionId, nil
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}
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func(p *asyncRequestParser) GetInput(r any) ([]byte, error) {
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return p.input, nil
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}
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func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
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flagParser := asm.NewFlagParser().WithDebug()
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_, err := flagParser.Load(fp)
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if err != nil {
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return nil, err
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}
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return flagParser, nil
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}
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func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
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ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
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if err != nil {
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return nil, err
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}
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rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
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rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
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rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
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rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
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rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
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rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
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rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
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rs.AddLocalFunc("quit", ussdHandlers.Quit)
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rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
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rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
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rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
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rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
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rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
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rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
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rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
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rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
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rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
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rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
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rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
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rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
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rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
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rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
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rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
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rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
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rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
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rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
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rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
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rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
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rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
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rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
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rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
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rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
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return ussdHandlers, nil
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}
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func ensureDbDir(dbDir string) error {
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err := os.MkdirAll(dbDir, 0700)
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if err != nil {
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return fmt.Errorf("state dir create exited with error: %v\n", err)
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}
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return nil
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}
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func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
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store := gdbmdb.NewGdbmDb()
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storeFile := path.Join(dbDir, "state.gdbm")
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store.Connect(ctx, storeFile)
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return store, nil
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}
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func getUserdataDb(dbDir string, ctx context.Context) db.Db {
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store := gdbmdb.NewGdbmDb()
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storeFile := path.Join(dbDir, "userdata.gdbm")
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store.Connect(ctx, storeFile)
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return store
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}
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func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
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store := fsdb.NewFsDb()
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err := store.Connect(ctx, resourceDir)
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if err != nil {
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return nil, err
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}
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rfs := resource.NewDbResource(store)
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return rfs, nil
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}
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func main() {
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var sessionId string
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var dbDir string
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var resourceDir string
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var size uint
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var engineDebug bool
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var stateDebug bool
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var host string
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var port uint
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flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
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flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
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flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
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flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
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flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
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flag.UintVar(&size, "s", 160, "max size of output")
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flag.StringVar(&host, "h", "127.0.0.1", "http host")
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flag.UintVar(&port, "p", 7123, "http port")
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flag.Parse()
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logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size, "sessionId", sessionId)
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ctx := context.Background()
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pfp := path.Join(scriptDir, "pp.csv")
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flagParser, err := getFlags(pfp, true)
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if err != nil {
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os.Exit(1)
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}
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cfg := engine.Config{
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Root: "root",
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OutputSize: uint32(size),
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FlagCount: uint32(16),
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}
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if stateDebug {
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cfg.StateDebug = true
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}
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if engineDebug {
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cfg.EngineDebug = true
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}
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rs, err := getResource(resourceDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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err = ensureDbDir(dbDir)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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userdataStore := getUserdataDb(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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defer userdataStore.Close()
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dbResource, ok := rs.(*resource.DbResource)
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if !ok {
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os.Exit(1)
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}
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hl, err := getHandler(flagParser, dbResource, userdataStore)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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stateStore, err := getStateStore(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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defer stateStore.Close()
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rp := &asyncRequestParser{
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sessionId: sessionId,
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}
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sh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
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cfg.SessionId = sessionId
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rqs := handlers.RequestSession{
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Ctx: ctx,
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Writer: os.Stdout,
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Config: cfg,
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}
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for true {
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rqs, err = sh.Process(rqs)
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if err != nil {
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fmt.Errorf("error in process: %v", err)
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os.Exit(1)
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}
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rqs, err = sh.Output(rqs)
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if err != nil {
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fmt.Errorf("error in output: %v", err)
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os.Exit(1)
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}
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rqs, err = sh.Reset(rqs)
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if err != nil {
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fmt.Errorf("error in reset: %v", err)
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os.Exit(1)
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}
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fmt.Println("")
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_, err = fmt.Scanln(&rqs.Input)
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if err != nil {
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fmt.Errorf("error in input: %v", err)
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os.Exit(1)
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}
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}
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}
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102
internal/handlers/base.go
Normal file
102
internal/handlers/base.go
Normal file
@ -0,0 +1,102 @@
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package handlers
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import (
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/db"
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"git.grassecon.net/urdt/ussd/internal/storage"
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"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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)
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type BaseSessionHandler struct {
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cfgTemplate engine.Config
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rp RequestParser
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rs resource.Resource
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hn *ussd.Handlers
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provider storage.StorageProvider
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}
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func NewBaseSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, hn *ussd.Handlers) *BaseSessionHandler {
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return &BaseSessionHandler{
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cfgTemplate: cfg,
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rs: rs,
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hn: hn,
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rp: rp,
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provider: storage.NewSimpleStorageProvider(stateDb, userdataDb),
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}
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}
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func(f* BaseSessionHandler) Shutdown() {
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err := f.provider.Close()
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if err != nil {
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logg.Errorf("handler shutdown error", "err", err)
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}
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}
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func(f *BaseSessionHandler) GetEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine {
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en := engine.NewEngine(cfg, rs)
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en = en.WithPersister(pr)
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return en
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}
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func(f *BaseSessionHandler) Process(rqs RequestSession) (RequestSession, error) {
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var r bool
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var err error
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var ok bool
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logg.InfoCtxf(rqs.Ctx, "new request", rqs)
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rqs.Storage, err = f.provider.Get(rqs.Config.SessionId)
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if err != nil {
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logg.ErrorCtxf(rqs.Ctx, "", "storage error", "err", err)
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return rqs, ErrStorage
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}
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f.hn = f.hn.WithPersister(rqs.Storage.Persister)
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eni := f.GetEngine(rqs.Config, f.rs, rqs.Storage.Persister)
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en, ok := eni.(*engine.DefaultEngine)
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if !ok {
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return rqs, ErrEngineType
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}
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en = en.WithFirst(f.hn.Init)
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if rqs.Config.EngineDebug {
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en = en.WithDebug(nil)
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}
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rqs.Engine = en
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r, err = rqs.Engine.Init(rqs.Ctx)
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if err != nil {
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return rqs, err
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}
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if r && len(rqs.Input) > 0 {
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r, err = rqs.Engine.Exec(rqs.Ctx, rqs.Input)
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}
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if err != nil {
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return rqs, err
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}
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_ = r
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return rqs, nil
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}
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func(f *BaseSessionHandler) Output(rqs RequestSession) (RequestSession, error) {
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var err error
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_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
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return rqs, err
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}
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func(f *BaseSessionHandler) Reset(rqs RequestSession) (RequestSession, error) {
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defer f.provider.Put(rqs.Config.SessionId, rqs.Storage)
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return rqs, rqs.Engine.Finish()
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}
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func(f *BaseSessionHandler) GetConfig() engine.Config {
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return f.cfgTemplate
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}
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func(f *BaseSessionHandler) GetRequestParser() RequestParser {
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return f.rp
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}
|
@ -8,10 +8,15 @@ import (
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/logging"
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"git.grassecon.net/urdt/ussd/internal/storage"
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)
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var (
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logg = logging.NewVanilla().WithDomain("handlers")
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)
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var (
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ErrInvalidRequest = errors.New("invalid request for context")
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ErrSessionMissing = errors.New("missing session")
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@ -39,6 +44,8 @@ type RequestParser interface {
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}
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type RequestHandler interface {
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GetConfig() engine.Config
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GetRequestParser() RequestParser
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GetEngine(cfg engine.Config, rs resource.Resource, pe *persist.Persister) engine.Engine
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Process(rs RequestSession) (RequestSession, error)
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Output(rs RequestSession) (RequestSession, error)
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|
@ -5,15 +5,9 @@ import (
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"net/http"
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"strconv"
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"git.defalsify.org/vise.git/db"
|
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"git.defalsify.org/vise.git/engine"
|
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"git.defalsify.org/vise.git/logging"
|
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"git.defalsify.org/vise.git/persist"
|
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"git.defalsify.org/vise.git/resource"
|
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|
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"git.grassecon.net/urdt/ussd/internal/handlers"
|
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"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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"git.grassecon.net/urdt/ussd/internal/storage"
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)
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var (
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@ -50,20 +44,12 @@ func(rp *DefaultRequestParser) GetInput(rq any) ([]byte, error) {
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}
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type SessionHandler struct {
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cfgTemplate engine.Config
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rp handlers.RequestParser
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rs resource.Resource
|
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hn *ussd.Handlers
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provider storage.StorageProvider
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handlers.RequestHandler
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}
|
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|
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func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp handlers.RequestParser, hn *ussd.Handlers) *SessionHandler {
|
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func ToSessionHandler(h handlers.RequestHandler) *SessionHandler {
|
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return &SessionHandler{
|
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cfgTemplate: cfg,
|
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rs: rs,
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hn: hn,
|
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rp: rp,
|
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provider: storage.NewSimpleStorageProvider(stateDb, userdataDb),
|
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RequestHandler: h,
|
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}
|
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}
|
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|
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@ -79,71 +65,6 @@ func(f *SessionHandler) writeError(w http.ResponseWriter, code int, err error) {
|
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return
|
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}
|
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|
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func(f* SessionHandler) Shutdown() {
|
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err := f.provider.Close()
|
||||
if err != nil {
|
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logg.Errorf("handler shutdown error", "err", err)
|
||||
}
|
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}
|
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|
||||
func(f *SessionHandler) GetEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine {
|
||||
en := engine.NewEngine(cfg, rs)
|
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en = en.WithPersister(pr)
|
||||
return en
|
||||
}
|
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|
||||
func(f *SessionHandler) Process(rqs handlers.RequestSession) (handlers.RequestSession, error) {
|
||||
var r bool
|
||||
var err error
|
||||
var ok bool
|
||||
|
||||
logg.InfoCtxf(rqs.Ctx, "new request", rqs)
|
||||
|
||||
rqs.Storage, err = f.provider.Get(rqs.Config.SessionId)
|
||||
if err != nil {
|
||||
logg.ErrorCtxf(rqs.Ctx, "", "storage error", "err", err)
|
||||
return rqs, handlers.ErrStorage
|
||||
}
|
||||
|
||||
f.hn = f.hn.WithPersister(rqs.Storage.Persister)
|
||||
eni := f.GetEngine(rqs.Config, f.rs, rqs.Storage.Persister)
|
||||
en, ok := eni.(*engine.DefaultEngine)
|
||||
if !ok {
|
||||
return rqs, handlers.ErrEngineType
|
||||
}
|
||||
en = en.WithFirst(f.hn.Init)
|
||||
if rqs.Config.EngineDebug {
|
||||
en = en.WithDebug(nil)
|
||||
}
|
||||
rqs.Engine = en
|
||||
|
||||
r, err = rqs.Engine.Init(rqs.Ctx)
|
||||
if err != nil {
|
||||
return rqs, err
|
||||
}
|
||||
|
||||
if r && len(rqs.Input) > 0 {
|
||||
r, err = rqs.Engine.Exec(rqs.Ctx, rqs.Input)
|
||||
}
|
||||
if err != nil {
|
||||
return rqs, err
|
||||
}
|
||||
|
||||
_ = r
|
||||
return rqs, nil
|
||||
}
|
||||
|
||||
func(f *SessionHandler) Output(rqs handlers.RequestSession) error {
|
||||
var err error
|
||||
_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
|
||||
return err
|
||||
}
|
||||
|
||||
func(f *SessionHandler) Reset(rqs handlers.RequestSession) error {
|
||||
defer f.provider.Put(rqs.Config.SessionId, rqs.Storage)
|
||||
return rqs.Engine.Finish()
|
||||
}
|
||||
|
||||
func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
||||
var code int
|
||||
var err error
|
||||
@ -153,14 +74,15 @@ func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
||||
Writer: w,
|
||||
}
|
||||
|
||||
cfg := f.cfgTemplate
|
||||
cfg.SessionId, err = f.rp.GetSessionId(req)
|
||||
rp := f.GetRequestParser()
|
||||
cfg := f.GetConfig()
|
||||
cfg.SessionId, err = rp.GetSessionId(req)
|
||||
if err != nil {
|
||||
logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
|
||||
f.writeError(w, 400, err)
|
||||
}
|
||||
rqs.Config = cfg
|
||||
rqs.Input, err = f.rp.GetInput(req)
|
||||
rqs.Input, err = rp.GetInput(req)
|
||||
if err != nil {
|
||||
logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
|
||||
f.writeError(w, 400, err)
|
||||
@ -186,13 +108,13 @@ func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
||||
|
||||
w.WriteHeader(200)
|
||||
w.Header().Set("Content-Type", "text/plain")
|
||||
err = f.Output(rqs)
|
||||
rqs, err = f.Output(rqs)
|
||||
if err != nil {
|
||||
f.writeError(w, 500, err)
|
||||
return
|
||||
}
|
||||
|
||||
err = f.Reset(rqs)
|
||||
rqs, err = f.Reset(rqs)
|
||||
if err != nil {
|
||||
f.writeError(w, 500, err)
|
||||
return
|
||||
|
Loading…
Reference in New Issue
Block a user