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30 lines
577 B
30 lines
577 B
3 years ago
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package telegram
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import (
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"context"
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"github.com/go-faster/errors"
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"github.com/gotd/td/bin"
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)
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func (c *Client) invokeSub(ctx context.Context, dc int, input bin.Encoder, output bin.Decoder) error {
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c.subConnsMux.Lock()
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conn, ok := c.subConns[dc]
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if ok {
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c.subConnsMux.Unlock()
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return conn.Invoke(ctx, input, output)
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}
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conn, err := c.dc(ctx, dc, 1, c.primaryDC(dc))
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if err != nil {
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c.subConnsMux.Unlock()
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return errors.Wrapf(err, "create connection to DC %d", dc)
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}
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c.subConns[dc] = conn
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c.subConnsMux.Unlock()
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return conn.Invoke(ctx, input, output)
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}
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