package p2p import ( "fmt" "net" ) // ErrFilterTimeout indicates that a filter operation timed out. type ErrFilterTimeout struct{} func (e ErrFilterTimeout) Error() string { return "filter timed out" } // ErrRejected indicates that a Peer was rejected carrying additional // information as to the reason. type ErrRejected struct { addr NetAddress conn net.Conn err error id ID isAuthFailure bool isDuplicate bool isFiltered bool isIncompatible bool isNodeInfoInvalid bool isSelf bool } // Addr returns the NetAddress for the rejected Peer. func (e ErrRejected) Addr() NetAddress { return e.addr } func (e ErrRejected) Error() string { if e.isAuthFailure { return fmt.Sprintf("auth failure: %s", e.err) } if e.isDuplicate { if e.conn != nil { return fmt.Sprintf( "duplicate CONN<%s>: %s", e.conn.RemoteAddr().String(), e.err, ) } if e.id != "" { return fmt.Sprintf("duplicate ID<%v>: %s", e.id, e.err) } } if e.isFiltered { if e.conn != nil { return fmt.Sprintf( "filtered CONN<%s>: %s", e.conn.RemoteAddr().String(), e.err, ) } if e.id != "" { return fmt.Sprintf("filtered ID<%v>: %s", e.id, e.err) } } if e.isIncompatible { return fmt.Sprintf("incompatible: %s", e.err) } if e.isNodeInfoInvalid { return fmt.Sprintf("invalid NodeInfo: %s", e.err) } if e.isSelf { return fmt.Sprintf("self ID<%v>", e.id) } return fmt.Sprintf("%s", e.err) } // IsAuthFailure when Peer authentication was unsuccessful. func (e ErrRejected) IsAuthFailure() bool { return e.isAuthFailure } // IsDuplicate when Peer ID or IP are present already. func (e ErrRejected) IsDuplicate() bool { return e.isDuplicate } // IsFiltered when Peer ID or IP was filtered. func (e ErrRejected) IsFiltered() bool { return e.isFiltered } // IsIncompatible when Peer NodeInfo is not compatible with our own. func (e ErrRejected) IsIncompatible() bool { return e.isIncompatible } // IsNodeInfoInvalid when the sent NodeInfo is not valid. func (e ErrRejected) IsNodeInfoInvalid() bool { return e.isNodeInfoInvalid } // IsSelf when Peer is our own node. func (e ErrRejected) IsSelf() bool { return e.isSelf } // ErrSwitchDuplicatePeerID to be raised when a peer is connecting with a known // ID. type ErrSwitchDuplicatePeerID struct { ID ID } func (e ErrSwitchDuplicatePeerID) Error() string { return fmt.Sprintf("Duplicate peer ID %v", e.ID) } // ErrSwitchDuplicatePeerIP to be raised whena a peer is connecting with a known // IP. type ErrSwitchDuplicatePeerIP struct { IP net.IP } func (e ErrSwitchDuplicatePeerIP) Error() string { return fmt.Sprintf("Duplicate peer IP %v", e.IP.String()) } // ErrSwitchConnectToSelf to be raised when trying to connect to itself. type ErrSwitchConnectToSelf struct { Addr *NetAddress } func (e ErrSwitchConnectToSelf) Error() string { return fmt.Sprintf("Connect to self: %v", e.Addr) } type ErrSwitchAuthenticationFailure struct { Dialed *NetAddress Got ID } func (e ErrSwitchAuthenticationFailure) Error() string { return fmt.Sprintf( "Failed to authenticate peer. Dialed %v, but got peer with ID %s", e.Dialed, e.Got, ) } // ErrTransportClosed is raised when the Transport has been closed. type ErrTransportClosed struct{} func (e ErrTransportClosed) Error() string { return "transport has been closed" } //------------------------------------------------------------------- type ErrNetAddressNoID struct { Addr string } func (e ErrNetAddressNoID) Error() string { return fmt.Sprintf("Address (%s) does not contain ID", e.Addr) } type ErrNetAddressInvalid struct { Addr string Err error } func (e ErrNetAddressInvalid) Error() string { return fmt.Sprintf("Invalid address (%s): %v", e.Addr, e.Err) } type ErrNetAddressLookup struct { Addr string Err error } func (e ErrNetAddressLookup) Error() string { return fmt.Sprintf("Error looking up host (%s): %v", e.Addr, e.Err) }