tonic/metadata/
mod.rs

1//! Contains data structures and utilities for handling gRPC custom metadata.
2
3mod encoding;
4mod key;
5mod map;
6mod value;
7
8pub use self::encoding::Ascii;
9pub use self::encoding::Binary;
10pub use self::key::AsciiMetadataKey;
11pub use self::key::BinaryMetadataKey;
12pub use self::key::MetadataKey;
13pub use self::map::Entry;
14pub use self::map::GetAll;
15pub use self::map::Iter;
16pub use self::map::IterMut;
17pub use self::map::KeyAndMutValueRef;
18pub use self::map::KeyAndValueRef;
19pub use self::map::KeyRef;
20pub use self::map::Keys;
21pub use self::map::MetadataMap;
22pub use self::map::OccupiedEntry;
23pub use self::map::VacantEntry;
24pub use self::map::ValueDrain;
25pub use self::map::ValueIter;
26pub use self::map::ValueRef;
27pub use self::map::ValueRefMut;
28pub use self::map::Values;
29pub use self::map::ValuesMut;
30pub use self::value::AsciiMetadataValue;
31pub use self::value::BinaryMetadataValue;
32pub use self::value::MetadataValue;
33use http::HeaderValue;
34
35pub(crate) use self::map::GRPC_TIMEOUT_HEADER;
36
37/// HTTP Header `content-type` value for gRPC calls.
38pub const GRPC_CONTENT_TYPE: HeaderValue = HeaderValue::from_static("application/grpc");
39
40/// The metadata::errors module contains types for errors that can occur
41/// while handling gRPC custom metadata.
42pub mod errors {
43    pub use super::encoding::InvalidMetadataValue;
44    pub use super::encoding::InvalidMetadataValueBytes;
45    pub use super::key::InvalidMetadataKey;
46    pub use super::value::ToStrError;
47}