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//! Snapshots index and compressed storage.
#![feature(try_trait)]

#[macro_use]
extern crate failure;
#[macro_use]
extern crate serde_derive;
extern crate serde;
#[macro_use]
extern crate log;
extern crate byteorder;
extern crate glob;
extern crate rayon;
extern crate rocksdb;

extern crate futures_locks;

#[macro_use]
extern crate err_convert_macro;
extern crate cxmr_snapshots;
extern crate cxmr_snapshots_cache;
extern crate cxmr_tectonic;

mod store;

pub use self::store::*;

/// Store module error.
#[derive(Debug, Fail)]
pub enum Error {
    /// Option is `None` error.
    #[fail(display = "option none")]
    OptionNone,

    /// Mutex poison error.
    #[fail(display = "mutex poison error")]
    MutexPoison,

    /// Standard IO error.
    #[fail(display = "std io error: {:?}", _0)]
    Io(#[cause] std::io::Error),

    /// RocksDB error.
    #[fail(display = "RocksDB error: {:?}", _0)]
    RocksDb(#[cause] rocksdb::Error),

    /// Glob pattern error.
    #[fail(display = "glob error: {:?}", _0)]
    Glob(#[cause] glob::GlobError),

    /// Glob pattern error.
    #[fail(display = "glob pattern error: {:?}", _0)]
    GlobPattern(#[cause] glob::PatternError),

    /// Snapshots cache module error.
    #[fail(display = "cache error: {:?}", _0)]
    Cache(#[cause] cxmr_snapshots_cache::Error),

    /// Tectonic error.
    #[fail(display = "tectonic error: {:?}", _0)]
    Tectonic(#[cause] cxmr_tectonic::Error),

    /// Exchanges module error.
    #[fail(display = "exchange error: {:?}", _0)]
    Exchange(#[cause] cxmr_exchanges::Error),

    /// String from UTF-8 error.
    #[fail(display = "from utf8 error: {:?}", _0)]
    FromUtf8(#[cause] std::string::FromUtf8Error),
}

err_converter!(Io, std::io::Error);
err_converter!(RocksDb, rocksdb::Error);
err_converter!(Glob, glob::GlobError);
err_converter!(GlobPattern, glob::PatternError);
err_converter!(Exchange, cxmr_exchanges::Error);
err_converter!(Tectonic, cxmr_tectonic::Error);
err_converter!(Cache, cxmr_snapshots_cache::Error);
err_converter!(FromUtf8, std::string::FromUtf8Error);
err_converter_no_args!(OptionNone, std::option::NoneError);

impl<E> From<std::sync::PoisonError<E>> for Error {
    fn from(_: std::sync::PoisonError<E>) -> Error {
        Error::MutexPoison
    }
}

unsafe impl std::marker::Send for Error {}
unsafe impl std::marker::Sync for Error {}