1 use { 2 crate::{ 3 amf0::errors::Amf0ReadError, 4 protocol_control_messages::errors::ProtocolControlMessageReaderError, 5 user_control_messages::errors::EventMessagesError, 6 }, 7 failure::{Backtrace, Fail}, 8 bytesio::bytes_errors::BytesReadError, 9 std::fmt, 10 }; 11 12 #[derive(Debug, Fail)] 13 pub enum MessageErrorValue { 14 #[fail(display = "bytes read error: {}\n", _0)] 15 BytesReadError(BytesReadError), 16 #[fail(display = "unknow read state")] 17 UnknowReadState, 18 #[fail(display = "amf0 read error: {}\n", _0)] 19 Amf0ReadError(Amf0ReadError), 20 #[fail(display = "unknown message type")] 21 UnknowMessageType, 22 #[fail(display = "protocol control message read error: {}\n", _0)] 23 ProtocolControlMessageReaderError(ProtocolControlMessageReaderError), 24 #[fail(display = "user control message read error: {}\n", _0)] 25 EventMessagesError(EventMessagesError), 26 } 27 28 #[derive(Debug)] 29 pub struct MessageError { 30 pub value: MessageErrorValue, 31 } 32 33 impl From<MessageErrorValue> for MessageError { 34 fn from(val: MessageErrorValue) -> Self { 35 MessageError { value: val } 36 } 37 } 38 39 impl From<BytesReadError> for MessageError { 40 fn from(error: BytesReadError) -> Self { 41 MessageError { 42 value: MessageErrorValue::BytesReadError(error), 43 } 44 } 45 } 46 47 impl From<Amf0ReadError> for MessageError { 48 fn from(error: Amf0ReadError) -> Self { 49 MessageError { 50 value: MessageErrorValue::Amf0ReadError(error), 51 } 52 } 53 } 54 55 impl From<ProtocolControlMessageReaderError> for MessageError { 56 fn from(error: ProtocolControlMessageReaderError) -> Self { 57 MessageError { 58 value: MessageErrorValue::ProtocolControlMessageReaderError(error), 59 } 60 } 61 } 62 63 impl From<EventMessagesError> for MessageError { 64 fn from(error: EventMessagesError) -> Self { 65 MessageError { 66 value: MessageErrorValue::EventMessagesError(error), 67 } 68 } 69 } 70 71 impl fmt::Display for MessageError { 72 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 73 fmt::Display::fmt(&self.value, f) 74 } 75 } 76 77 impl Fail for MessageError { 78 fn cause(&self) -> Option<&dyn Fail> { 79 self.value.cause() 80 } 81 82 fn backtrace(&self) -> Option<&Backtrace> { 83 self.value.backtrace() 84 } 85 } 86