wasi-http: Allow embedder to manage outgoing connections

This adds a new `send_request` method to `WasiHttpView`, allowing embedders to override the default implementation with their own if the desire. The default implementation behaves exactly as before. I've also added a few new `wasi-http` tests: one to test the above, and two others to test streaming and concurrency. These tests are ports of the `test_wasi_http_echo` and `test_wasi_http_hash_all` tests in the [Spin](https://github.com/fermyon/spin) integration test suite. The component they instantiate is likewise ported from the Spin `wasi-http-rust-streaming-outgoing-body` component. Fixes #7259 Signed-off-by: Joel Dice <[email protected]>
bytecodealliance · Oct 18, 2023 · 605d839 · 605d839
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/crates/test-programs/Cargo.toml b/crates/test-programs/Cargo.toml
@@ -12,3 +12,7 @@ wasi = "0.11.0"
 wit-bindgen = { workspace = true, features = ['default'] }
 libc = { workspace = true }
 getrandom = "0.2.9"
+futures = { workspace = true, default-features = false, features = ['alloc'] }
+url = { workspace = true }
+sha2 = "0.10.2"
+base64 = "0.21.0"