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feat: Add gRPC interceptors (#232)

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This change introduces proper gRPC interceptors that are avilable
regardless of the transport used. Each codegen service now produces an
additional method called `with_interceptor` that accepts a
`Interceptor`.

All examples have been updated to use this new style and interop has a
custom `tower::Service` middleware to echo the headers. There is also a
new `interceptor` example that shows basic usage.

BREAKING CHANGE: removed `interceptor_fn` and `intercep_headers_fn` from `transport` in favor of using `tonic::Interceptor`.
This commit is contained in:
Lucio Franco
2020-01-13 21:26:08 -05:00
committed by GitHub
parent 0fa2bf1cea
commit eba7ec7b32
25 changed files with 456 additions and 273 deletions
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interop/Cargo.toml
+1 -2
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@@ -26,10 +26,9 @@ futures-util = "0.3"
async-stream = "0.2"
tower = "0.3"
http-body = "0.3"
hyper = "0.13"
console = "0.9"
structopt = "0.3"
tracing = "0.1"
tracing-subscriber = "0.2.0-alpha"
tracing-log = "0.1.0"