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use crate::prelude::*; pub(crate) mod exports { pub use super::ServerError; pub use super::ServerResult; } #[ cfg (feature = "hss-internals") ] pub(crate) mod internals { pub use super::ServerError; pub use super::ServerResult; pub use super::ResultExtPanic; pub use super::ErrorExtPanic; pub use super::ResultExtWrap; pub use super::ResultExtWrapFrom; pub use super::ErrorExtWrap; pub use super::ErrorExtWrapFrom; pub use super::error_with_format; pub use super::error_with_message; pub use super::error_with_code; pub use super::panic_with_format; pub use super::panic_with_message; pub use super::panic_with_code; } pub type ServerError = io::Error; pub type ServerResult<V = ()> = Result<V, ServerError>; pub trait ResultExtPanic <V> : Sized { fn or_panic (self, _code : u32) -> V; fn infallible (self, _code : u32) -> V; } impl <V, EX : ErrorExtPanic> ResultExtPanic<V> for Result<V, EX> { fn or_panic (self, _code : u32) -> V { match self { Ok (_value) => _value, Err (_error) => _error.panic (_code), } } fn infallible (self, _code : u32) -> V { match self { Ok (_value) => _value, Err (_error) => _error.panic (_code), } } } impl <V> ResultExtPanic<V> for Option<V> { fn or_panic (self, _code : u32) -> V { match self { Some (_value) => _value, None => panic_with_code (_code), } } fn infallible (self, _code : u32) -> V { match self { Some (_value) => _value, None => panic_with_code (_code), } } } pub trait ErrorExtPanic : Sized { fn panic (self, _code : u32) -> !; } impl <E : Error> ErrorExtPanic for E { fn panic (self, _code : u32) -> ! { panic! ("[{:08x}] unexpected error encountered! // {}", _code, self); } } pub trait ResultExtWrap <V, E> : Sized { fn or_wrap (self, _code : u32) -> Result<V, E>; } impl <V, E : Error> ResultExtWrap<V, io::Error> for Result<V, E> { fn or_wrap (self, _code : u32) -> Result<V, io::Error> { match self { Ok (_value) => Ok (_value), Err (_error) => Err (io::Error::wrap_from (_code, _error)), } } } impl <V> ResultExtWrap<V, io::Error> for Option<V> { fn or_wrap (self, _code : u32) -> Result<V, io::Error> { if let Some (_value) = self { Ok (_value) } else { Err (error_with_code (_code)) } } } pub trait ResultExtWrapFrom <V, E> : Sized { fn or_wrap_from (_code : u32, _result : Result<V, E>) -> Self; } impl <V, E : Error, EX : ErrorExtWrapFrom<E>> ResultExtWrapFrom<V, E> for Result<V, EX> { fn or_wrap_from (_code : u32, _result : Result<V, E>) -> Result<V, EX> { match _result { Ok (_value) => Ok (_value), Err (_error) => Err (EX::wrap_from (_code, _error)), } } } pub trait ErrorExtWrapFrom <E> : Sized { fn wrap_from (_code : u32, _error : E) -> Self; } impl <E : Error> ErrorExtWrapFrom<E> for io::Error { fn wrap_from (_code : u32, _error : E) -> Self { io::Error::new (io::ErrorKind::Other, format! ("[{:08x}] {}", _code, _error)) } } pub trait ErrorExtWrap <E> : Sized { fn wrap (self, _code : u32) -> E; } impl <EI, EO : ErrorExtWrapFrom<EI>> ErrorExtWrap<EO> for EI { fn wrap (self, _code : u32) -> EO { EO::wrap_from (_code, self) } } #[ allow (dead_code) ] pub fn error_with_format (_code : u32, _message : fmt::Arguments<'_>) -> io::Error { io::Error::new (io::ErrorKind::Other, format! ("[{:08x}] {}", _code, _message)) } #[ allow (dead_code) ] pub fn error_with_message (_code : u32, _message : &str) -> io::Error { if ! _message.is_empty () { io::Error::new (io::ErrorKind::Other, format! ("[{:08x}] {}", _code, _message)) } else { error_with_code (_code) } } #[ allow (dead_code) ] pub fn error_with_code (_code : u32) -> io::Error { io::Error::new (io::ErrorKind::Other, format! ("[{:08x}] unexpected error encountered!", _code)) } #[ allow (dead_code) ] pub fn panic_with_format (_code : u32, _message : fmt::Arguments<'_>) -> ! { panic! (format! ("[{:08x}] {}", _code, _message)) } #[ allow (dead_code) ] pub fn panic_with_message (_code : u32, _message : &str) -> ! { if ! _message.is_empty () { panic! (format! ("[{:08x}] {}", _code, _message)) } else { panic_with_code (_code) } } #[ allow (dead_code) ] pub fn panic_with_code (_code : u32) -> ! { panic! (format! ("[{:08x}] unexpected error encountered!", _code)) }