b0VIM 8.1 �H] � nmryan LASLW16010654 D:/tools/backplane/src/lib.rs
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� � | v t s S * � � � R A } else { Ok(FileSettings { file_name: s[prefix.len()..].to_string() }) if s.starts_with(prefix) { let prefix = "file:"; fn from_str(s: &str) -> Result<FileSettings, StreamSettingsParseError> { type Err = StreamSettingsParseError; impl FromStr for FileSettings { } } write!(f, "file:{}", self.file_name) fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { impl fmt::Display for FileSettings { } } FileSettings { file_name: "data.bin".to_string() } fn default() -> Self { impl Default for FileSettings { } pub file_name: String, pub struct FileSettings { #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] /// stream /// The file settings are everything needed to open and read from a file as an input or output /* Input Streams */ } } return StreamOption::File; fn default() ->} } result } } result } }, } } result } } } result } } } result } }, result = self.} } result } } } } } r} } result } } } } } }} } result } } } result } }, } } result } } } }} } result } }, result = self.udp.open_write_stream(); StreamOption::Udp => { }, result = self.tcp_server.open_write_stream(); StreamOption::TcpServer => { }, result = self.tcp_client.open_write_stream(); StreamOption::TcpClient => { }, result = self.file.open_write_stream(); StreamOption::File => { match output_option { let result: Result<WriteStream, String>; pub fn open_output(&self, output_option: &StreamOption) -> Result<WriteStream, String> { } result } }, result = self.udp.open_read_stream(); StreamOption::Udp => { }, result = self.tcp_server.open_read_stream(); StreamOption::TcpServer => { }, result = self.tcp_client.open_read_stream(); StreamOption::TcpClient => { }, result = self.file.open_read_stream(); StreamOption::File => { match input_option { let result; pub fn open_input(&self, input_option: &StreamOption) -> Result<ReadStream, String> { impl StreamSettings { } pub udp: UdpSettings, #[serde(default)] pub tcp_server: TcpServerSettings, #[serde(default)] pub tcp_client: TcpClientSettings, #[serde(default)] pub file: FileSettings, #[serde(default)] pub struct StreamSettings { #[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] /// The stream settings are all the settings for all stream types use crate::stream_read::*; use crate::stream_write::*; use bytes::BytesMut; use std::str::FromStr; use std::error::Error; use std::net::{TcpListener, TcpStream, UdpSocket, SocketAddrV4}; use std::io::BufReader; use std::fs::File; use std::fmt; pub mod stream_write; pub mod stream_read; #[macro_use] extern crate num_derive; extern crate num; #[macro_use] extern crate serde_derive; extern crate serde; ad X � � � � � � � � q P J H G ) � � � g 0 �
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� � � � v " � � � � � { y x w * � � � q [ J 3 # � � � � � � | h g R ) � � � � } n m ? � � � z N . � � � � � � � � � � a 8 7 � � � � � l H } } "error parsing stream settings" fn description(&self) -> &str { impl Error for StreamSettingsParseError { } } fmt.write_str(self.description()) fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { impl fmt::Display for StreamSettingsParseError { pub struct StreamSettingsParseError(()); #[derive(Debug, Clone, PartialEq, Eq)] } } return WriteStream::Null; fn default() -> WriteStream { impl Default for WriteStream { } } return result; } }, result = Ok(0); // should it write 0 bytes? // TODO should this be a sink like /dev/null, and 'write' all bytes, or WriteStream::Null => { }, result = tcp_stream.write_bytes(&packet); WriteStream::Tcp(tcp_stream) => { }, result = udp_stream.write_bytes(&packet); WriteStream::Udp(udp_stream) => { }, result = file.write_bytes(&packet); WriteStream::File(file) => { match self { let result; pub fn stream_send(&mut self, packet: &Vec<u8>) -> Result<usize, String> { impl WriteStream { } Null, Tcp(TcpStream), Udp((UdpSocket, SocketAddrV4)), File(File), pub enum WriteStream { #[derive(Debug)] /// be trait objects. /// This is the closed, static way to do this- the open, dynamic way would /// /// defer the choice of stream. /// returned from functions while still allowing the calling function to /// A write stream, wrapped in an enum to allow multiple write streams to be } } return result; } }, result = StreamReadResult::Error("Reading a Null Stream! This should not happen!".to_string()); // TODO is this an error, or should it just always return no bytes? ReadStream::Null => { }, result = tcp_stream.read_bytes(bytes, num_bytes); ReadStream::Tcp(tcp_stream) => { }, result = udp_sock.read_bytes(bytes, num_bytes); // for UDP we just read a message ReadStream::Udp(udp_sock) => { }, result = file.read_bytes(bytes, num_bytes); ReadStream::File(ref mut file) => { match self { let result: StreamReadResult; num_bytes: usize) -> StreamReadResult { }}}}}}}}}}}}}}}}}}} } } re} } return result; } result = Err("No matching stream settings!".to_string()); } else { result = tcp_client_settings.open_read_stream(); } else if let Ok(tcp_client_settings) = TcpClientSettings::from_str(read_stream_desc) { result = tcp_server_settings.open_read_stream(); } else if let Ok(tcp_server_settings) = TcpServerSettings::from_str(read_stream_desc) { result = udp_settings.open_read_stream(); } else if let Ok(udp_settings) = UdpSettings::from_str(read_stream_desc) { result = file_settings.open_read_stream(); if let Ok(file_settings) = FileSettings::from_str(read_stream_desc) { let result; fn from_str(read_stream_desc: &str) -> Result<ReadStream, String> { type Err = String; impl FromStr for ReadStream { } } return ReadStream::Null; fn default() -> ReadStream { impl Default for ReadStream { } Null, Tcp(TcpStream), Udp(UdpSocket), File(BufReader<File>), ad � �
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} else { Ok(FileSettings { file_nam } else { Ok(FileSettings { file_name: s[prefix.len()..].to_string() }) if s.starts_with(prefix) { let prefix = "file:"; fn from_str(s: &str) -> Result<FileSettings, StreamSettingsParseError> { type Err = StreamSettingsParseError; impl FromStr for FileSettings { } } write!(f, "file:{}", self.file_name) fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { impl fmt::Display for FileSettings { } } FileSettings { file_name: "data.bin".to_string() } fn default() -> Self { impl Default for FileSettings { } pub file_name: String, pub struct FileSettings { #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] /// stream /// The file settings are everything needed to open and read from a file as an input or output /* Input Streams */ } } return StreamOption::File; fn default() -> StreamOption { impl Default for StreamOption { } Udp = 4, /// The stream is a UDP socket with a given port TcpServer = 3, /// The stream is a TCP server with a given port TcpClient = 2, /// The stream is a TCP client with a given port File = 1, /// The stream is a file pub enum StreamOption { #[derive(FromPrimitive, Debug, PartialEq, Eq, Copy, Clone, Serialize, Deserialize)] /// The stream option identifies the desired stream type for reading or writing ad � k � � 5 � � E 4 �
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� � � B � � X G � � I � � � � � ? > � W H G / � � � � � � � � � � _ [ � � � pub enum ReadStream { #[derive(Debug)] /// trait objects. /// This enum allows a caller to return a read stream without using /// /// A read stream is a source of bytes. /* Input/Output Streams */ } } return result; } }, result = Err(format!("Could not parse ip ({}): {}", self.ip, e)); Err(e) => { }, .map_err(|err| format!("Could not open UDP socket for writing: {}", err)); .map(|udp_sock| WriteStream::Udp((udp_sock, addr))) result = UdpSocket::bind("0.0.0.0:0") let addr = SocketAddrV4::new(ip_addr, self.port); Ok(ip_addr) => { match self.ip.parse() { let result; pub fn open_write_stream(&self) -> Result<WriteStream, String> { } return Ok(ReadStream::Udp(sock)); let sock = UdpSocket::bind("0.0.0.0:0").map_err(|_err| "Couldn't bind to udp address/port")?; pub fn open_read_stream(&self) -> Result<ReadStream, String> { impl UdpSettings { } } } Err(StreamSettingsParseError(())) } else { Ok(UdpSettings { ip: addr.to_string(), port: port }) let port = port_str.parse::<u16>().map_err(|_| StreamSettingsParseError(()))?; let port_str = parts.next().ok_or(StreamSettingsParseError(()))?; let addr = parts.next().ok_or(StreamSettingsParseError(()))?; let mut parts = s[prefix.len()..].split(':'); if s.starts_with(prefix) { let prefix = "tcp_client:"; fn from_str(s: &str) -> Result<UdpSettings, StreamSettingsParseError> { type Err = StreamSettingsParseError; impl FromStr for UdpSettings { } } write!(f, "udp:{}:{}", self.ip, self.port) fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { impl fmt::Display for UdpSettings { } } } ip: "127.0.0.1".to_string() UdpSettings { port: 8001, fn default() -> Self { impl Default for UdpSettings { } pub ip: String, pub port: u16, pub struct UdpSettings { #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] /// stream /// The udp settings are everything needed to open a UDP socket and use it as an input or output } } return result; .map_err(|err| format!("TCP Server Open Error: {}", err)); .map(|(sock, _)| WriteStream::Tcp(sock)) let result = listener.accept() let listener = TcpListener::bind(&addr).unwrap(); let addr = SocketAddrV4::new(self.ip.parse().unwrap(), self.port); pub fn open_write_stream(&self) -> Result<WriteStream, String> { } return Ok(ReadStream::Tcp(sock)); let (sock, _) = listener.accept().map_err(|err| format!("TCP Server Open Error: {}", err))?; let listener = TcpListener::bind(&addr).unwrap(); let addr = SocketAddrV4::new(self.ip.parse().unwrap(), self.port); pub fn open_read_stream(&self) -> Result<ReadStream, String> { impl TcpServerSettings { } } } Err(StreamSettingsParseError(())) } else { Ok(TcpServerSettings { ip: addr.to_string(), port: port }) let port = port_str.parse::<u16>().map_err(|_| StreamSettingsParseError(()))?; let port_str = parts.next().ok_or(StreamSettingsParseError(()))?; let addr = parts.next().ok_or(StreamSettingsParseError(()))?; let mut parts = s[prefix.len()..].split(':'); if s.starts_with(prefix) { let prefix = "tcp_client:"; ad � m � � � � � � h 0 � � � u o n ) �
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