waveterm/pkg/service/blockservice/blockservice.go
2024-06-24 14:34:31 -07:00

70 lines
2.2 KiB
Go

// Copyright 2024, Command Line Inc.
// SPDX-License-Identifier: Apache-2.0
package blockservice
import (
"context"
"fmt"
"time"
"github.com/wavetermdev/thenextwave/pkg/blockcontroller"
"github.com/wavetermdev/thenextwave/pkg/cmdqueue"
"github.com/wavetermdev/thenextwave/pkg/filestore"
"github.com/wavetermdev/thenextwave/pkg/tsgen/tsgenmeta"
"github.com/wavetermdev/thenextwave/pkg/wshutil"
"github.com/wavetermdev/thenextwave/pkg/wstore"
)
type BlockService struct{}
const DefaultTimeout = 2 * time.Second
var BlockServiceInstance = &BlockService{}
func (bs *BlockService) SendCommand_Meta() tsgenmeta.MethodMeta {
return tsgenmeta.MethodMeta{
Desc: "send command to block",
ArgNames: []string{"blockid", "cmd"},
}
}
func (bs *BlockService) GetControllerStatus(ctx context.Context, blockId string) (*blockcontroller.BlockControllerRuntimeStatus, error) {
bc := blockcontroller.GetBlockController(blockId)
if bc == nil {
return &blockcontroller.BlockControllerRuntimeStatus{
BlockId: blockId,
Status: "stopped",
}, nil
}
return bc.GetRuntimeStatus(), nil
}
func (bs *BlockService) SendCommand(uiContext wstore.UIContext, blockId string, cmd wshutil.BlockCommand) error {
ctx, cancelFn := context.WithTimeout(context.Background(), DefaultTimeout)
defer cancelFn()
_, err := cmdqueue.RunCmd(ctx, cmd, wshutil.CmdContextType{BlockId: blockId, TabId: uiContext.ActiveTabId})
return err
}
func (bs *BlockService) SaveTerminalState(ctx context.Context, blockId string, state string, stateType string, ptyOffset int64) error {
_, err := wstore.DBMustGet[*wstore.Block](ctx, blockId)
if err != nil {
return err
}
if stateType != "full" && stateType != "preview" {
return fmt.Errorf("invalid state type: %q", stateType)
}
// ignore MakeFile error (already exists is ok)
filestore.WFS.MakeFile(ctx, blockId, "cache:term:"+stateType, nil, filestore.FileOptsType{})
err = filestore.WFS.WriteFile(ctx, blockId, "cache:term:"+stateType, []byte(state))
if err != nil {
return fmt.Errorf("cannot save terminal state: %w", err)
}
err = filestore.WFS.WriteMeta(ctx, blockId, "cache:term:"+stateType, filestore.FileMeta{"ptyoffset": ptyOffset}, true)
if err != nil {
return fmt.Errorf("cannot save terminal state meta: %w", err)
}
return nil
}