mirror of https://gogs.blitter.com/RLabs/xs
39 lines
851 B
Go
39 lines
851 B
Go
//go:build linux || freebsd
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// +build linux freebsd
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package main
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import (
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"fmt"
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"log"
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"os"
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"os/signal"
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"syscall"
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"blitter.com/go/xs/xsnet"
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)
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// Handle pty resizes (notify server side)
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func handleTermResizes(conn *xsnet.Conn) {
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, syscall.SIGWINCH)
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wg.Add(1)
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// #gv:s/label=\"handleTermResizes\$1\"/label=\"resizeHandler\"/
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go func() {
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defer wg.Done()
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for range ch {
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// Query client's term size so we can communicate it to server
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// pty after interactive session starts
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cols, rows, err := GetSize()
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log.Printf("[rows %v cols %v]\n", rows, cols)
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if err != nil {
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log.Println(err)
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}
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termSzPacket := fmt.Sprintf("%d %d", rows, cols)
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conn.WritePacket([]byte(termSzPacket), xsnet.CSOTermSize) //nolint:errcheck
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}
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}()
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ch <- syscall.SIGWINCH // Initial resize.
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}
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