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wasm: fix order of callbacks for paused requests. (#13840)
Fixes proxy-wasm/proxy-wasm-rust-sdk#43. Signed-off-by: Piotr Sikora <piotrsikora@google.com>
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39 changes: 39 additions & 0 deletions
39
test/extensions/filters/http/wasm/test_data/resume_call_rust.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| use log::info; | ||
| use proxy_wasm::traits::{Context, HttpContext}; | ||
| use proxy_wasm::types::*; | ||
| use std::time::Duration; | ||
|
|
||
| #[no_mangle] | ||
| pub fn _start() { | ||
| proxy_wasm::set_log_level(LogLevel::Trace); | ||
| proxy_wasm::set_http_context(|_, _| -> Box<dyn HttpContext> { Box::new(TestStream) }); | ||
| } | ||
|
|
||
| struct TestStream; | ||
|
|
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| impl HttpContext for TestStream { | ||
| fn on_http_request_headers(&mut self, _: usize) -> Action { | ||
| self.dispatch_http_call( | ||
| "cluster", | ||
| vec![(":method", "POST"), (":path", "/"), (":authority", "foo")], | ||
| Some(b"resume"), | ||
| vec![], | ||
| Duration::from_secs(1), | ||
| ) | ||
| .unwrap(); | ||
| info!("onRequestHeaders"); | ||
| Action::Pause | ||
| } | ||
|
|
||
| fn on_http_request_body(&mut self, _: usize, _: bool) -> Action { | ||
| info!("onRequestBody"); | ||
| Action::Continue | ||
| } | ||
| } | ||
|
|
||
| impl Context for TestStream { | ||
| fn on_http_call_response(&mut self, _: u32, _: usize, _: usize, _: usize) { | ||
| info!("continueRequest"); | ||
| self.resume_http_request(); | ||
| } | ||
| } |
53 changes: 53 additions & 0 deletions
53
test/extensions/filters/http/wasm/test_data/test_resume_call_cpp.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // NOLINT(namespace-envoy) | ||
| #include <memory> | ||
| #include <string> | ||
| #include <unordered_map> | ||
|
|
||
| #ifndef NULL_PLUGIN | ||
| #include "proxy_wasm_intrinsics_lite.h" | ||
| #else | ||
| #include "extensions/common/wasm/ext/envoy_null_plugin.h" | ||
| #endif | ||
|
|
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| START_WASM_PLUGIN(HttpWasmTestCpp) | ||
|
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| class ResumeCallContext : public Context { | ||
| public: | ||
| explicit ResumeCallContext(uint32_t id, RootContext* root) : Context(id, root) {} | ||
|
|
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| FilterHeadersStatus onRequestHeaders(uint32_t, bool) override; | ||
| FilterDataStatus onRequestBody(size_t, bool) override; | ||
| }; | ||
|
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| class ResumeCallRootContext : public RootContext { | ||
| public: | ||
| explicit ResumeCallRootContext(uint32_t id, std::string_view root_id) | ||
| : RootContext(id, root_id) {} | ||
| }; | ||
|
|
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| static RegisterContextFactory register_ResumeCallContext(CONTEXT_FACTORY(ResumeCallContext), | ||
| ROOT_FACTORY(ResumeCallRootContext), | ||
| "resume_call"); | ||
|
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| FilterHeadersStatus ResumeCallContext::onRequestHeaders(uint32_t, bool) { | ||
| auto context_id = id(); | ||
| auto resume_callback = [context_id](uint32_t, size_t, uint32_t) { | ||
| getContext(context_id)->setEffectiveContext(); | ||
| logInfo("continueRequest"); | ||
| continueRequest(); | ||
| }; | ||
| if (root()->httpCall("cluster", {{":method", "POST"}, {":path", "/"}, {":authority", "foo"}}, | ||
| "resume", {}, 1000, resume_callback) != WasmResult::Ok) { | ||
| logError("unexpected failure"); | ||
| return FilterHeadersStatus::StopIteration; | ||
| } | ||
| logInfo("onRequestHeaders"); | ||
| return FilterHeadersStatus::StopIteration; | ||
| } | ||
|
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| FilterDataStatus ResumeCallContext::onRequestBody(size_t, bool) { | ||
| logInfo("onRequestBody"); | ||
| return FilterDataStatus::Continue; | ||
| } | ||
|
|
||
| END_WASM_PLUGIN |
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