86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
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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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"io/ioutil"
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"log"
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"os"
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"path"
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testdataloader "github.com/peteole/testdata-loader"
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"git.defalsify.org/vise/cache"
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"git.defalsify.org/vise/engine"
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"git.defalsify.org/vise/resource"
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"git.defalsify.org/vise/state"
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)
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var (
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baseDir = testdataloader.GetBasePath()
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scriptDir = path.Join(baseDir, "examples", "session")
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emptyResult = resource.Result{}
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)
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func save(sym string, input []byte, ctx context.Context) (resource.Result, error) {
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sessionId := ctx.Value("SessionId").(string)
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sessionDir := path.Join(scriptDir, sessionId)
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err := os.MkdirAll(sessionDir, 0700)
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if err != nil {
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return emptyResult, err
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}
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fp := path.Join(sessionDir, "data.txt")
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if len(input) > 0 {
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log.Printf("write data %s session %s", input, sessionId)
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err = ioutil.WriteFile(fp, input, 0600)
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if err != nil {
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return emptyResult, err
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}
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}
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r, err := ioutil.ReadFile(fp)
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if err != nil {
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err = ioutil.WriteFile(fp, []byte("(not set)"), 0600)
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if err != nil {
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return emptyResult, err
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}
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}
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return resource.Result{
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Content: string(r),
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}, nil
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}
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func main() {
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var root string
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var size uint
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var sessionId string
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flag.UintVar(&size, "s", 0, "max size of output")
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flag.StringVar(&root, "root", "root", "entry point symbol")
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flag.StringVar(&sessionId, "session-id", "default", "session id")
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flag.Parse()
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fmt.Fprintf(os.Stderr, "starting session at symbol '%s' using resource dir: %s\n", root, scriptDir)
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st := state.NewState(0)
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rs := resource.NewFsResource(scriptDir)
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rs.AddLocalFunc("do_save", save)
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ca := cache.NewCache()
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cfg := engine.Config{
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Root: "root",
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SessionId: sessionId,
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OutputSize: uint32(size),
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}
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ctx := context.Background()
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ctx = context.WithValue(ctx, "SessionId", sessionId)
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en := engine.NewEngine(cfg, &st, rs, ca, ctx)
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err := en.Init(ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "engine init fail: %v\n", err)
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os.Exit(1)
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}
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err = engine.Loop(&en, os.Stdin, os.Stdout, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "loop exited with error: %v\n", err)
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os.Exit(1)
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}
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}
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