55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package sway
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import (
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"context"
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"encoding/binary"
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"encoding/json"
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"fmt"
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"io"
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"git.milar.in/milarin/slices"
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)
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func (c *Client) RunCommand(ctx context.Context, cmd string) ([]error, error) {
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c.Lock()
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defer c.Unlock()
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if _, err := fmt.Fprint(c.conn, "i3-ipc"); err != nil {
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return nil, err
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}
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if err := binary.Write(c.conn, binary.LittleEndian, uint32(len(cmd))); err != nil {
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return nil, err
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}
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if err := binary.Write(c.conn, binary.LittleEndian, uint32(0)); err != nil {
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return nil, err
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}
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if _, err := fmt.Fprint(c.conn, cmd); err != nil {
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return nil, err
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}
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if _, err := c.conn.Read(make([]byte, 6)); err != nil {
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return nil, err
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}
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var length uint32
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if err := binary.Read(c.conn, binary.LittleEndian, &length); err != nil {
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return nil, err
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}
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var messageType uint32
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if err := binary.Read(c.conn, binary.LittleEndian, &messageType); err != nil {
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return nil, err
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}
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results := []commandResult{}
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if err := json.NewDecoder(io.LimitReader(c.conn, int64(length))).Decode(&results); err != nil {
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return nil, err
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}
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errors := slices.Map(slices.Filter(results, commandResult.HasError), commandResult.GetError)
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return errors, nil
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}
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