mirror of
https://github.com/status-im/status-go.git
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eeca435064
Update vendor Integrate rendezvous into status node Add a test with failover using rendezvous Use multiple servers in client Use discovery V5 by default and test that node can be started with rendezvous discovet Fix linter Update rendezvous client to one with instrumented stream Address feedback Fix test with updated topic limits Apply several suggestions Change log to debug for request errors because we continue execution Remove web3js after rebase Update rendezvous package
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Package nat implements NAT handling facilities
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package nat
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import (
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"errors"
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"math"
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"math/rand"
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"net"
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"time"
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)
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var ErrNoExternalAddress = errors.New("no external address")
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var ErrNoInternalAddress = errors.New("no internal address")
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var ErrNoNATFound = errors.New("no NAT found")
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// protocol is either "udp" or "tcp"
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type NAT interface {
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// Type returns the kind of NAT port mapping service that is used
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Type() string
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// GetDeviceAddress returns the internal address of the gateway device.
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GetDeviceAddress() (addr net.IP, err error)
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// GetExternalAddress returns the external address of the gateway device.
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GetExternalAddress() (addr net.IP, err error)
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// GetInternalAddress returns the address of the local host.
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GetInternalAddress() (addr net.IP, err error)
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// AddPortMapping maps a port on the local host to an external port.
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AddPortMapping(protocol string, internalPort int, description string, timeout time.Duration) (mappedExternalPort int, err error)
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// DeletePortMapping removes a port mapping.
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DeletePortMapping(protocol string, internalPort int) (err error)
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}
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// DiscoverGateway attempts to find a gateway device.
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func DiscoverGateway() (NAT, error) {
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select {
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case nat := <-discoverUPNP_IG1():
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return nat, nil
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case nat := <-discoverUPNP_IG2():
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return nat, nil
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case nat := <-discoverNATPMP():
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return nat, nil
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case <-time.After(10 * time.Second):
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return nil, ErrNoNATFound
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}
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}
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func randomPort() int {
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rand.Seed(time.Now().UnixNano())
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return rand.Intn(math.MaxUint16-10000) + 10000
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}
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