syncthing/lib/relay/protocol/packets.go

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// Copyright (C) 2015 Audrius Butkevicius and Contributors (see the CONTRIBUTORS file).
//go:generate -command genxdr go run github.com/calmh/xdr/cmd/genxdr
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//go:generate genxdr -o packets_xdr.go packets.go
package protocol
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import (
"fmt"
"net"
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syncthingprotocol "github.com/syncthing/syncthing/lib/protocol"
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)
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const (
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messageTypePing int32 = iota
messageTypePong
messageTypeJoinRelayRequest
messageTypeJoinSessionRequest
messageTypeResponse
messageTypeConnectRequest
messageTypeSessionInvitation
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messageTypeRelayFull
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)
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type header struct {
magic uint32
messageType int32
messageLength int32
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}
type Ping struct{}
type Pong struct{}
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type JoinRelayRequest struct{}
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type RelayFull struct{}
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type JoinSessionRequest struct {
Key []byte // max:32
}
type Response struct {
Code int32
Message string
}
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type ConnectRequest struct {
ID []byte // max:32
}
type SessionInvitation struct {
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From []byte // max:32
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Key []byte // max:32
Address []byte // max:32
Port uint16
ServerSocket bool
}
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func (i SessionInvitation) String() string {
device := "<invalid>"
if address, err := syncthingprotocol.DeviceIDFromBytes(i.From); err == nil {
device = address.String()
}
return fmt.Sprintf("%s@%s", device, i.AddressString())
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}
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func (i SessionInvitation) GoString() string {
return i.String()
}
func (i SessionInvitation) AddressString() string {
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return fmt.Sprintf("%s:%d", net.IP(i.Address), i.Port)
}