36 lines
743 B
Go
36 lines
743 B
Go
package app
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import (
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"errors"
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"encoders.orly/envelopes/closeenvelope"
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"lol.mleku.dev/chk"
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"lol.mleku.dev/log"
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)
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// HandleClose processes a CLOSE envelope by unmarshalling the request,
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// validates the presence of an <id> field, and signals cancellation for
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// the associated listener through the server's publisher mechanism.
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func (l *Listener) HandleClose(req []byte) (err error) {
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var rem []byte
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env := closeenvelope.New()
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if rem, err = env.Unmarshal(req); chk.E(err) {
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return
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}
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if len(rem) > 0 {
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log.I.F("extra '%s'", rem)
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}
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if len(env.ID) == 0 {
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return errors.New("CLOSE has no <id>")
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}
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l.publishers.Receive(
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&W{
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Cancel: true,
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remote: l.remote,
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Conn: l.conn,
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Id: string(env.ID),
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},
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)
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return
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}
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