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validate protocol definition in add protocol

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This commit is contained in:
Steven Allen 2018-06-22 18:34:55 -07:00
parent ece734f18d
commit 47e3ab13b2
1 changed files with 6 additions and 0 deletions
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6
protocols.go
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@ -120,6 +120,12 @@ func SwapToP2pMultiaddrs() {
}
func AddProtocol(p Protocol) error {
if p.Size != 0 && p.Transcoder == nil {
return fmt.Errorf("protocols with arguments must define transcoders")
}
if p.Path && p.Size >= 0 {
return fmt.Errorf("path protocols must have variable-length sizes")
}
for _, pt := range Protocols {
if pt.Code == p.Code {
return fmt.Errorf("protocol code %d already taken by %q", p.Code, pt.Name)