Added init engine static functions for wamr and wasmtime.

Signed-off-by: Rachel Green <[email protected]>

Author: rachgreen33

include/proxy-wasm/wamr.h

@@ -21,6 +21,7 @@
 
 namespace proxy_wasm {
 
+bool initWamrEngine();
 std::unique_ptr<WasmVm> createWamrVm();
 
 } // namespace proxy_wasm

include/proxy-wasm/wasmtime.h

@@ -18,6 +18,7 @@
 
 namespace proxy_wasm {
 
+bool initWasmtimeEngine();
 std::unique_ptr<WasmVm> createWasmtimeVm();
 
 } // namespace proxy_wasm

src/wamr/wamr.cc

@@ -701,6 +701,8 @@ void Wamr::getModuleFunctionImpl(std::string_view function_name,
 
 } // namespace wamr
 
+bool initWamrEngine() { return wamr::engine() != nullptr; }
+
 std::unique_ptr<WasmVm> createWamrVm() { return std::make_unique<wamr::Wamr>(); }
 
 } // namespace proxy_wasm

src/wasmtime/wasmtime.cc

@@ -697,6 +697,8 @@ void Wasmtime::getModuleFunctionImpl(std::string_view function_name,
 
 } // namespace wasmtime
 
+bool initWasmtimeEngine() { return wasmtime::engine() != nullptr; }
+
 std::unique_ptr<WasmVm> createWasmtimeVm() { return std::make_unique<wasmtime::Wasmtime>(); }
 
 } // namespace proxy_wasm