mirror of
https://github.com/wavetermdev/waveterm.git
synced 2024-12-27 17:37:58 +01:00
471 lines
14 KiB
Go
471 lines
14 KiB
Go
package sstore
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import (
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"context"
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"database/sql"
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"fmt"
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"strings"
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"github.com/google/uuid"
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"github.com/scripthaus-dev/mshell/pkg/packet"
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)
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func NumSessions(ctx context.Context) (int, error) {
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db, err := GetDB(ctx)
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if err != nil {
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return 0, err
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}
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query := "SELECT count(*) FROM session"
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var count int
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err = db.GetContext(ctx, &count, query)
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if err != nil {
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return 0, err
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}
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return count, nil
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}
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func GetAllRemotes(ctx context.Context) ([]*RemoteType, error) {
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var rtn []*RemoteType
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err := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM remote`
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marr := tx.SelectMaps(query)
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for _, m := range marr {
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rtn = append(rtn, RemoteFromMap(m))
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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return rtn, nil
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}
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func GetRemoteByName(ctx context.Context, remoteName string) (*RemoteType, error) {
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var remote *RemoteType
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err := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM remote WHERE remotename = ?`
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m := tx.GetMap(query, remoteName)
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remote = RemoteFromMap(m)
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return nil
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})
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if err != nil {
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return nil, err
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}
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return remote, nil
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}
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func GetRemoteById(ctx context.Context, remoteId string) (*RemoteType, error) {
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var remote *RemoteType
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err := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM remote WHERE remoteid = ?`
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m := tx.GetMap(query, remoteId)
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remote = RemoteFromMap(m)
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return nil
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})
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if err != nil {
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return nil, err
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}
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return remote, nil
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}
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func InsertRemote(ctx context.Context, remote *RemoteType) error {
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if remote == nil {
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return fmt.Errorf("cannot insert nil remote")
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}
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db, err := GetDB(ctx)
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if err != nil {
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return err
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}
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query := `INSERT INTO remote ( remoteid, remotetype, remotename, autoconnect, initpk, sshopts, lastconnectts) VALUES
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(:remoteid,:remotetype,:remotename,:autoconnect,:initpk,:sshopts,:lastconnectts)`
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_, err = db.NamedExec(query, remote.ToMap())
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if err != nil {
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return err
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}
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return nil
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}
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func GetAllSessions(ctx context.Context) ([]*SessionType, error) {
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var rtn []*SessionType
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err := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM session`
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tx.SelectWrap(&rtn, query)
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var screens []*ScreenType
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query = `SELECT * FROM screen ORDER BY screenidx`
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tx.SelectWrap(&screens, query)
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screenMap := make(map[string][]*ScreenType)
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for _, screen := range screens {
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screenArr := screenMap[screen.SessionId]
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screenArr = append(screenArr, screen)
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screenMap[screen.SessionId] = screenArr
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}
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for _, session := range rtn {
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session.Screens = screenMap[session.SessionId]
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}
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var sws []*ScreenWindowType
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query = `SELECT * FROM screen_window`
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tx.SelectWrap(&sws, query)
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screenIdMap := make(map[string]*ScreenType)
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for _, screen := range screens {
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screenIdMap[screen.SessionId+screen.ScreenId] = screen
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}
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for _, sw := range sws {
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screen := screenIdMap[sw.SessionId+sw.ScreenId]
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if screen == nil {
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continue
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}
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screen.Windows = append(screen.Windows, sw)
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}
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return nil
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})
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return rtn, err
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}
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func GetWindowById(ctx context.Context, sessionId string, windowId string) (*WindowType, error) {
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var rtnWindow *WindowType
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err := WithTx(ctx, func(tx *TxWrap) error {
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var window WindowType
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query := `SELECT * FROM window WHERE sessionid = ? AND windowid = ?`
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found := tx.GetWrap(&window, query, sessionId, windowId)
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if !found {
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return nil
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}
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rtnWindow = &window
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query = `SELECT * FROM line WHERE sessionid = ? AND windowid = ?`
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tx.SelectWrap(&window.Lines, query, sessionId, windowId)
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query = `SELECT * FROM cmd WHERE cmdid IN (SELECT cmdid FROM line WHERE sessionid = ? AND windowid = ?)`
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cmdMaps := tx.SelectMaps(query, sessionId, windowId)
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for _, m := range cmdMaps {
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window.Cmds = append(window.Cmds, CmdFromMap(m))
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}
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return nil
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})
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return rtnWindow, err
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}
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func GetSessionScreens(ctx context.Context, sessionId string) ([]*ScreenType, error) {
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var rtn []*ScreenType
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM screen WHERE sessionid = ? ORDER BY screenidx`
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tx.SelectWrap(&rtn, query, sessionId)
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return nil
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})
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return rtn, txErr
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}
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func GetSessionById(ctx context.Context, id string) (*SessionType, error) {
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var rtnSession *SessionType
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err := WithTx(ctx, func(tx *TxWrap) error {
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var session SessionType
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query := `SELECT * FROM session WHERE sessionid = ?`
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found := tx.GetWrap(&session, query, id)
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if !found {
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return nil
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}
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rtnSession = &session
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query = `SELECT * FROM screen WHERE sessionid = ? ORDER BY screenidx`
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tx.SelectWrap(&session.Screens, query, session.SessionId)
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query = `SELECT * FROM remote_instance WHERE sessionid = ?`
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tx.SelectWrap(&session.Remotes, query, session.SessionId)
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session.Full = true
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return nil
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})
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if err != nil {
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return nil, err
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}
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return rtnSession, nil
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}
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func GetSessionByName(ctx context.Context, name string) (*SessionType, error) {
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db, err := GetDB(ctx)
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if err != nil {
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return nil, err
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}
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var sessionId string
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query := `SELECT sessionid FROM session WHERE name = ?`
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err = db.GetContext(ctx, &sessionId, query, name)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, nil
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}
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return nil, err
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}
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return GetSessionById(ctx, sessionId)
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}
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// also creates default window, returns sessionId
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// if sessionName == "", it will be generated
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func InsertSessionWithName(ctx context.Context, sessionName string) (string, error) {
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newSessionId := uuid.New().String()
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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names := tx.SelectStrings(`SELECT name FROM session`)
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sessionName = fmtUniqueName(sessionName, "session-%d", len(names)+1, names)
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maxSessionIdx := tx.GetInt(`SELECT COALESCE(max(sessionidx), 0) FROM session`)
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query := `INSERT INTO session (sessionid, name, activescreenid, sessionidx, notifynum) VALUES (?, ?, '', ?, ?)`
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tx.ExecWrap(query, newSessionId, sessionName, maxSessionIdx+1, 0)
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_, err := InsertScreen(tx.Context(), newSessionId, "", true)
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if err != nil {
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return err
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}
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return nil
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})
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if txErr != nil {
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return "", txErr
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}
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return newSessionId, nil
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}
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func containsStr(strs []string, testStr string) bool {
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for _, s := range strs {
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if s == testStr {
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return true
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}
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}
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return false
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}
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func fmtUniqueName(name string, defaultFmtStr string, startIdx int, strs []string) string {
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var fmtStr string
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if name != "" {
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if !containsStr(strs, name) {
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return name
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}
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fmtStr = name + "-%d"
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startIdx = 2
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} else {
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fmtStr = defaultFmtStr
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}
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if strings.Index(fmtStr, "%d") == -1 {
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panic("invalid fmtStr: " + fmtStr)
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}
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for {
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testName := fmt.Sprintf(fmtStr, startIdx)
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if containsStr(strs, testName) {
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startIdx++
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continue
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}
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return testName
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}
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}
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func InsertScreen(ctx context.Context, sessionId string, screenName string, activate bool) (string, error) {
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var newScreenId string
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT sessionid FROM session WHERE sessionid = ?`
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if !tx.Exists(query, sessionId) {
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return fmt.Errorf("cannot create screen, no session found")
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}
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newWindowId := txCreateWindow(tx, sessionId)
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maxScreenIdx := tx.GetInt(`SELECT COALESCE(max(screenidx), 0) FROM screen WHERE sessionid = ?`, sessionId)
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screenNames := tx.SelectStrings(`SELECT name FROM screen WHERE sessionid = ?`, sessionId)
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screenName = fmtUniqueName(screenName, "s%d", maxScreenIdx+1, screenNames)
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newScreenId = uuid.New().String()
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query = `INSERT INTO screen (sessionid, screenid, name, activewindowid, screenidx, screenopts) VALUES (?, ?, ?, ?, ?, ?)`
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tx.ExecWrap(query, sessionId, newScreenId, screenName, newWindowId, maxScreenIdx+1, ScreenOptsType{})
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layout := LayoutType{Type: LayoutFull}
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query = `INSERT INTO screen_window (sessionid, screenid, windowid, name, layout) VALUES (?, ?, ?, ?, ?)`
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tx.ExecWrap(query, sessionId, newScreenId, newWindowId, DefaultScreenWindowName, layout)
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if activate {
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query = `UPDATE session SET activescreenid = ? WHERE sessionid = ?`
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tx.ExecWrap(query, newScreenId, sessionId)
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}
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return nil
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})
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newScreen, err := GetScreenById(ctx, sessionId, newScreenId)
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if err != nil {
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return "", err
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}
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update, session := MakeSingleSessionUpdate(sessionId)
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if activate {
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session.ActiveScreenId = newScreenId
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}
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session.Screens = append(session.Screens, newScreen)
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MainBus.SendUpdate("", update)
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return newScreenId, txErr
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}
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func GetScreenById(ctx context.Context, sessionId string, screenId string) (*ScreenType, error) {
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var rtnScreen *ScreenType
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM screen WHERE sessionid = ? AND screenid = ?`
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var screen ScreenType
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found := tx.GetWrap(&screen, query, sessionId, screenId)
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if !found {
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return nil
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}
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rtnScreen = &screen
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query = `SELECT * FROM screen_window WHERE sessionid = ? AND screenid = ?`
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tx.SelectWrap(&screen.Windows, query, sessionId, screenId)
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screen.Full = true
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return nil
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})
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if txErr != nil {
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return nil, txErr
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}
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return rtnScreen, nil
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}
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func txCreateWindow(tx *TxWrap, sessionId string) string {
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windowId := uuid.New().String()
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query := `INSERT INTO window (sessionid, windowid, curremote, winopts) VALUES (?, ?, ?, ?)`
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tx.ExecWrap(query, sessionId, windowId, LocalRemoteName, WindowOptsType{})
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return windowId
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}
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func InsertLine(ctx context.Context, line *LineType, cmd *CmdType) error {
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if line == nil {
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return fmt.Errorf("line cannot be nil")
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}
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if line.LineId != 0 {
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return fmt.Errorf("new line cannot have LineId set")
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}
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return WithTx(ctx, func(tx *TxWrap) error {
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var windowId string
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query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
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hasWindow := tx.GetWrap(&windowId, query, line.SessionId, line.WindowId)
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if !hasWindow {
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return fmt.Errorf("window not found, cannot insert line[%s/%s]", line.SessionId, line.WindowId)
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}
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var maxLineId int64
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query = `SELECT COALESCE(max(lineid), 0) FROM line WHERE sessionid = ? AND windowid = ?`
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tx.GetWrap(&maxLineId, query, line.SessionId, line.WindowId)
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line.LineId = maxLineId + 1
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query = `INSERT INTO line ( sessionid, windowid, lineid, ts, userid, linetype, text, cmdid)
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VALUES (:sessionid,:windowid,:lineid,:ts,:userid,:linetype,:text,:cmdid)`
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tx.NamedExecWrap(query, line)
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if cmd != nil {
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cmdMap := cmd.ToMap()
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query = `
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INSERT INTO cmd ( sessionid, cmdid, remoteid, cmdstr, remotestate, termopts, status, startpk, donepk, runout, usedrows)
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VALUES (:sessionid,:cmdid,:remoteid,:cmdstr,:remotestate,:termopts,:status,:startpk,:donepk,:runout,:usedrows)
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`
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tx.NamedExecWrap(query, cmdMap)
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}
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return nil
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})
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}
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func GetCmdById(ctx context.Context, sessionId string, cmdId string) (*CmdType, error) {
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var cmd *CmdType
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err := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT * FROM cmd WHERE sessionid = ? AND cmdid = ?`
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m := tx.GetMap(query, sessionId, cmdId)
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cmd = CmdFromMap(m)
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return nil
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})
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if err != nil {
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return nil, err
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}
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return cmd, nil
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}
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func UpdateCmdDonePk(ctx context.Context, donePk *packet.CmdDonePacketType) error {
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if donePk == nil || donePk.CK.IsEmpty() {
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return fmt.Errorf("invalid cmddone packet (no ck)")
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}
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return WithTx(ctx, func(tx *TxWrap) error {
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query := `UPDATE cmd SET status = ?, donepk = ? WHERE sessionid = ? AND cmdid = ?`
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tx.ExecWrap(query, CmdStatusDone, quickJson(donePk), donePk.CK.GetSessionId(), donePk.CK.GetCmdId())
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return nil
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})
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}
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func AppendCmdErrorPk(ctx context.Context, errPk *packet.CmdErrorPacketType) error {
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if errPk == nil || errPk.CK.IsEmpty() {
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return fmt.Errorf("invalid cmderror packet (no ck)")
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}
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return WithTx(ctx, func(tx *TxWrap) error {
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query := `UPDATE cmd SET runout = json_insert(runout, '$[#]', ?) WHERE sessionid = ? AND cmdid = ?`
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tx.ExecWrap(query, quickJson(errPk), errPk.CK.GetSessionId(), errPk.CK.GetCmdId())
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return nil
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})
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}
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func HangupAllRunningCmds(ctx context.Context) error {
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return WithTx(ctx, func(tx *TxWrap) error {
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query := `UPDATE cmd SET status = ? WHERE status = ?`
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tx.ExecWrap(query, CmdStatusHangup, CmdStatusRunning)
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return nil
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})
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}
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func HangupRunningCmdsByRemoteId(ctx context.Context, remoteId string) error {
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return WithTx(ctx, func(tx *TxWrap) error {
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query := `UPDATE cmd SET status = ? WHERE status = ? AND remoteid = ?`
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tx.ExecWrap(query, CmdStatusHangup, CmdStatusRunning, remoteId)
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return nil
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})
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}
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func getNextId(ids []string, delId string) string {
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fmt.Printf("getnextid %v | %v\n", ids, delId)
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if len(ids) == 0 {
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return ""
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}
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if len(ids) == 1 {
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if ids[0] == delId {
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return ""
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}
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return ids[0]
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}
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for idx := 0; idx < len(ids); idx++ {
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if ids[idx] == delId {
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var rtnIdx int
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if idx == len(ids)-1 {
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rtnIdx = idx - 1
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} else {
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rtnIdx = idx + 1
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}
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return ids[rtnIdx]
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}
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}
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return ids[0]
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}
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func SwitchScreenById(ctx context.Context, sessionId string, screenId string) error {
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ?`
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if !tx.Exists(query, sessionId, screenId) {
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return fmt.Errorf("cannot switch to screen, screen=%s does not exist in session=%s", screenId, sessionId)
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}
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query = `UPDATE session SET activescreenid = ? WHERE sessionid = ?`
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tx.ExecWrap(query, screenId, sessionId)
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return nil
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})
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update, session := MakeSingleSessionUpdate(sessionId)
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session.ActiveScreenId = screenId
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MainBus.SendUpdate("", update)
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return txErr
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}
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func CleanWindows() {
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}
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func DeleteScreen(ctx context.Context, sessionId string, screenId string) error {
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var newActiveScreenId string
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txErr := WithTx(ctx, func(tx *TxWrap) error {
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isActive := tx.Exists(`SELECT sessionid FROM session WHERE sessionid = ? AND activescreenid = ?`, sessionId, screenId)
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fmt.Printf("delete-screen %s %s | %v\n", sessionId, screenId, isActive)
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if isActive {
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screenIds := tx.SelectStrings(`SELECT screenid FROM screen WHERE sessionid = ? ORDER BY screenidx`, sessionId)
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nextId := getNextId(screenIds, screenId)
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tx.ExecWrap(`UPDATE session SET activescreenid = ? WHERE sessionid = ?`, nextId, sessionId)
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newActiveScreenId = nextId
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}
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query := `DELETE FROM screen_window WHERE sessionid = ? AND screenid = ?`
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tx.ExecWrap(query, sessionId, screenId)
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query = `DELETE FROM screen WHERE sessionid = ? AND screenid = ?`
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tx.ExecWrap(query, sessionId, screenId)
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return nil
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})
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if txErr != nil {
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return txErr
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}
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go CleanWindows()
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update, session := MakeSingleSessionUpdate(sessionId)
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session.ActiveScreenId = newActiveScreenId
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session.Screens = append(session.Screens, &ScreenType{SessionId: sessionId, ScreenId: screenId, Remove: true})
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MainBus.SendUpdate("", update)
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return nil
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}
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