23 lines
540 B
Go
23 lines
540 B
Go
package bencode
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import "fmt"
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// These are not strictly bencode features, but often needed by both DHT and
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// Torrent clients.
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func BinaryToDottedPort(port string) string {
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return fmt.Sprintf("%d.%d.%d.%d:%d", port[0], port[1], port[2], port[3],
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(uint16(port[4])<<8)|uint16(port[5]))
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}
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// 97.98.99.100:25958 becames "abcdef".
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func DottedPortToBinary(b string) string {
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a := make([]byte, 6, 6)
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var c uint16
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fmt.Sscanf(b, "%d.%d.%d.%d:%d", &a[0], &a[1], &a[2], &a[3], &c)
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a[4] = uint8(c >> 8)
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a[5] = uint8(c)
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return string(a)
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}
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