tonic 0.14.9

A gRPC over HTTP/2 implementation focused on high performance, interoperability, and flexibility.
Documentation
/*
 *
 * Copyright 2025 gRPC authors.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */

/// Include generated proto server and client items.
///
/// You must specify the gRPC package name.
///
/// ```rust,ignore
/// mod pb {
///     tonic::include_proto!("helloworld");
/// }
/// ```
///
/// # Note:
/// **This only works if the tonic-build output directory has been unmodified**.
/// The default output directory is set to the [`OUT_DIR`] environment variable.
/// If the output directory has been modified, the following pattern may be used
/// instead of this macro.
///
/// ```rust,ignore
/// mod pb {
///     include!("/relative/protobuf/directory/helloworld.rs");
/// }
/// ```
/// You can also use a custom environment variable using the following pattern.
/// ```rust,ignore
/// mod pb {
///     include!(concat!(env!("PROTOBUFS"), "/helloworld.rs"));
/// }
/// ```
///
/// [`OUT_DIR`]: https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
#[macro_export]
macro_rules! include_proto {
    ($package: tt) => {
        include!(concat!(env!("OUT_DIR"), concat!("/", $package, ".rs")));
    };
}

/// Include an encoded `prost_types::FileDescriptorSet` as a `&'static [u8]`. The parameter must be
/// the stem of the filename passed to `file_descriptor_set_path` for the `tonic-build::Builder`,
/// excluding the `.bin` extension.
///
/// For example, a file descriptor set compiled like this in `build.rs`:
///
/// ```rust,ignore
/// let descriptor_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("my_descriptor.bin")
/// tonic_build::configure()
///     .file_descriptor_set_path(&descriptor_path)
///     .compile_protos(&["proto/reflection.proto"], &["proto/"])?;
/// ```
///
/// Can be included like this:
///
/// ```rust,ignore
/// mod pb {
///     pub(crate) const FILE_DESCRIPTOR_SET: &[u8] = tonic::include_file_descriptor_set!("my_descriptor");
/// }
/// ```
///
/// # Note:
/// **This only works if the tonic-build output directory has been unmodified**.
/// The default output directory is set to the [`OUT_DIR`] environment variable.
/// If the output directory has been modified, the following pattern may be used
/// instead of this macro.
///
/// ```rust,ignore
/// mod pb {
///     pub(crate) const FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("/relative/protobuf/directory/descriptor_name.bin");
/// }
/// ```
///
/// [`OUT_DIR`]: https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
#[macro_export]
macro_rules! include_file_descriptor_set {
    ($package: tt) => {
        include_bytes!(concat!(env!("OUT_DIR"), concat!("/", $package, ".bin")))
    };
}