32 lines
615 B
Go
32 lines
615 B
Go
package sshtun
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type handshakePerLineReader struct {
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buf []byte
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off int
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cb func(line string)
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}
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func newHandshakePerLineReader(cb func(string)) func([]byte) {
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if cb == nil {
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return nil
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}
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lr := &handshakePerLineReader{cb: cb, buf: make([]byte, 1024)}
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return lr.packet
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}
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func (h *handshakePerLineReader) packet(p []byte) {
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for _, char := range p {
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if (char == 10 || char == 13) && len(h.buf) > 0 {
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h.cb(string(h.buf[:h.off]))
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h.off = 0
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}
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if cap(h.buf) <= (h.off + 1) {
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newBuf := make([]byte, cap(h.buf)+256)
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copy(newBuf, h.buf)
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h.buf = newBuf
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}
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h.buf[h.off] = char
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h.off++
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}
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}
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