51 lines
895 B
Go
51 lines
895 B
Go
package peer
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import (
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"fmt"
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"log"
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"runtime/debug"
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)
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func (peer *Peer) ifReader() {
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defer func() {
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if r := recover(); r != nil {
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fmt.Println("stacktrace from panic: \n" + string(debug.Stack()))
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}
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}()
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var (
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sender = newConnSender(peer.conn, peer.ip, STREAM_DATA, peer.signPrivKey)
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n int
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destIP byte
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router = peer.router
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route *route
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iface = peer.iface
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err error
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packet = make([]byte, BUFFER_SIZE)
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)
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for {
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n, err = iface.Read(packet[:BUFFER_SIZE])
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if err != nil {
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log.Fatalf("Failed to read from interface: %v", err)
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}
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if n < 20 {
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log.Printf("Dropping small packet: %d", n)
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continue
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}
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packet = packet[:n]
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destIP = packet[19]
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route = router.GetRoute(destIP)
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if route == nil || !route.Up {
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log.Printf("Dropping packet for non-existent IP: %d", destIP)
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continue
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}
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sender.send(PACKET_TYPE_DATA, packet, route)
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}
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}
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