[Plugin] zlib [LFX 2023 Term 2]

.github/workflows/build-extensions.yml

@@ -166,10 +166,10 @@ jobs:
     env:
       output_prefix: build/plugins
       test_prefix: build/test/plugins
-      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON
-      tar_names: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasm_bpf wasmedge_rustls wasmedge_opencvmini
-      test_bins: wasiCryptoTests wasiLoggingTests wasmedgeProcessTests wasmedgeTensorflowTests wasmedgeTensorflowLiteTests wasmedgeImageTests wasmBpfTests wasmEdgeRUSTLSTests wasmedgeOpencvminiTests
-      output_bins: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmBpf.so libwasmedge_rustls.so libwasmedgePluginWasmEdgeOpenCVMini.so
+      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON -DWASMEDGE_PLUGIN_ZLIB=ON
+      tar_names: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasm_bpf wasmedge_rustls wasmedge_opencvmini wasmedge_zlib
+      test_bins: wasiCryptoTests wasiLoggingTests wasmedgeProcessTests wasmedgeTensorflowTests wasmedgeTensorflowLiteTests wasmedgeImageTests wasmBpfTests wasmEdgeRUSTLSTests wasmedgeOpencvminiTests wasmedgeZlibTests
+      output_bins: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmBpf.so libwasmedge_rustls.so libwasmedgePluginWasmEdgeOpenCVMini.so libwasmedgePluginWasmEdgeZlib.so
     needs: [get_version]
     container:
       image: wasmedge/wasmedge:${{ matrix.docker_tag }}
@@ -267,6 +267,11 @@ jobs:
         with:
           name: WasmEdge-plugin-wasmedge_opencvmini-${{ needs.get_version.outputs.version }}-ubuntu22.04-${{ matrix.compiler }}.tar.gz
           path: plugin_wasmedge_opencvmini.tar.gz
+      - name: Upload artifact - wasmedge_zlib
+        uses: actions/upload-artifact@v3
+        with:
+          name: WasmEdge-plugin-wasmedge_zlib-${{ needs.get_version.outputs.version }}-ubuntu22.04-${{ matrix.compiler }}.tar.gz
+          path: plugin_wasmedge_zlib.tar.gz
 
   # Due to the dependencies and exclusions of WASI-NN, build them saperately.
   build_manylinux_wasi_nn:
@@ -366,16 +371,16 @@ jobs:
     env:
       output_prefix: build/plugins
       test_prefix: build/test/plugins
-      build_options_all_platforms: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON
+      build_options_all_platforms: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON -DWASMEDGE_PLUGIN_ZLIB=ON
       build_options_manylinux2014_x86_64: -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_WASM_BPF_BUILD_LIBBPF_WITH_PKG_CONF=OFF
       build_options_manylinux2014_aarch64:
-      tar_names_all_platforms: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini
+      tar_names_all_platforms: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini wasmedge_zlib
       tar_names_manylinux2014_x86_64: wasm_bpf wasmedge_rustls
       tar_names_manylinux2014_aarch64:
-      test_bins_all_platforms: wasiCryptoTests wasiLoggingTests wasmedgeProcessTests wasmedgeTensorflowTests wasmedgeTensorflowLiteTests wasmedgeImageTests wasmedgeOpencvminiTests
+      test_bins_all_platforms: wasiCryptoTests wasiLoggingTests wasmedgeProcessTests wasmedgeTensorflowTests wasmedgeTensorflowLiteTests wasmedgeImageTests wasmedgeOpencvminiTests wasmedgeZlibTests
       test_bins_manylinux2014_x86_64: wasmBpfTests wasmEdgeRUSTLSTests
       test_bins_manylinux2014_aarch64:
-      output_bins_all_platforms: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmEdgeOpenCVMini.so
+      output_bins_all_platforms: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmEdgeOpenCVMini.so libwasmedgePluginWasmEdgeZlib.so
       output_bins_manylinux2014_x86_64: libwasmedgePluginWasmBpf.so libwasmedge_rustls.so
       output_bins_manylinux2014_aarch64:
     needs: [get_version]
@@ -477,6 +482,11 @@ jobs:
         with:
           name: WasmEdge-plugin-wasmedge_opencvmini-${{ needs.get_version.outputs.version }}-${{ matrix.docker_tag }}.tar.gz
           path: plugin_wasmedge_opencvmini.tar.gz
+      - name: Upload artifact - wasmedge_zlib
+        uses: actions/upload-artifact@v3
+        with:
+          name: WasmEdge-plugin-wasmedge_zlib-${{ needs.get_version.outputs.version }}-${{ matrix.docker_tag }}.tar.gz
+          path: plugin_wasmedge_zlib.tar.gz
 
   build_macos:
     strategy:

.github/workflows/release.yml

@@ -85,7 +85,7 @@ jobs:
       version: ${{ needs.create_release.outputs.version }}
       release: true
     secrets: inherit
-  
+
   build_on_alpine_static:
     needs: create_release
     uses: ./.github/workflows/reusable-build-on-alpine-static.yml
@@ -206,9 +206,9 @@ jobs:
     runs-on: ubuntu-latest
     env:
       output_prefix: build/plugins
-      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON
-      tar_names: wasi_crypto wasi_logging wasmedge_rustls wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasm_bpf wasmedge_opencvmini
-      output_bins: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedge_rustls.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmBpf.so libwasmedgePluginWasmEdgeOpenCVMini.so
+      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON -DWASMEDGE_PLUGIN_ZLIB=ON
+      tar_names: wasi_crypto wasi_logging wasmedge_rustls wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasm_bpf wasmedge_opencvmini wasmedge_zlib
+      output_bins: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedge_rustls.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmBpf.so libwasmedgePluginWasmEdgeOpenCVMini.so libwasmedgePluginWasmEdgeZlib.so
     needs: create_release
     container:
       image: wasmedge/wasmedge:ubuntu-20.04-build-clang
@@ -313,6 +313,12 @@ jobs:
         run: |
           mv plugin_wasmedge_opencvmini.tar.gz WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-ubuntu20.04_x86_64.tar.gz
           gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-ubuntu20.04_x86_64.tar.gz --clobber
+      - name: Upload wasmedge_zlib plugin tar.gz package
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          mv plugin_wasmedge_zlib.tar.gz WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-ubuntu20.04_x86_64.tar.gz
+          gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-ubuntu20.04_x86_64.tar.gz --clobber
 
   build_and_upload_wasinn_manylinux:
     strategy:
@@ -415,13 +421,13 @@ jobs:
     runs-on: ${{ matrix.host_runner }}
     env:
       output_prefix: build/plugins
-      build_options_all_platforms: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON
+      build_options_all_platforms: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_PROCESS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON -DWASMEDGE_PLUGIN_ZLIB=ON
       build_options_manylinux2014_x86_64: -DWASMEDGE_PLUGIN_WASM_BPF=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_WASM_BPF_BUILD_LIBBPF_WITH_PKG_CONF=OFF
       build_options_manylinux2014_aarch64:
-      tar_names_all_platforms: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini
+      tar_names_all_platforms: wasi_crypto wasi_logging wasmedge_process wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini wasmedge_zlib
       tar_names_manylinux2014_x86_64: wasm_bpf wasmedge_rustls
       tar_names_manylinux2014_aarch64:
-      output_bins_all_platforms: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmEdgeOpenCVMini.so
+      output_bins_all_platforms: libwasmedgePluginWasiCrypto.so libwasmedgePluginWasiLogging.so libwasmedgePluginWasmEdgeProcess.so libwasmedgePluginWasmEdgeTensorflow.so libwasmedgePluginWasmEdgeTensorflowLite.so libwasmedgePluginWasmEdgeImage.so libwasmedgePluginWasmEdgeOpenCVMini.so libwasmedgePluginWasmEdgeZlib.so
       output_bins_manylinux2014_x86_64: libwasmedgePluginWasmBpf.so libwasmedge_rustls.so
       output_bins_manylinux2014_aarch64:
     needs: create_release
@@ -529,6 +535,12 @@ jobs:
         run: |
           mv plugin_wasmedge_opencvmini.tar.gz WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-${{ matrix.docker_tag }}.tar.gz
           gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-${{ matrix.docker_tag }}.tar.gz --clobber
+      - name: Upload wasmedge_zlib plugin tar.gz package
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          mv plugin_wasmedge_zlib.tar.gz WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-${{ matrix.docker_tag }}.tar.gz
+          gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-${{ matrix.docker_tag }}.tar.gz --clobber
 
   build_and_upload_plugin_macos:
     strategy:
@@ -548,9 +560,9 @@ jobs:
     runs-on: ${{ matrix.host_runner }}
     env:
       output_prefix: build/plugins
-      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON
-      tar_names: wasi_crypto wasi_logging wasmedge_rustls wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini
-      output_bins: libwasmedgePluginWasiCrypto.dylib libwasmedgePluginWasiLogging.dylib libwasmedge_rustls.dylib libwasmedgePluginWasmEdgeTensorflow.dylib libwasmedgePluginWasmEdgeTensorflowLite.dylib libwasmedgePluginWasmEdgeImage.dylib libwasmedgePluginWasmEdgeOpenCVMini.dylib
+      build_options: -DWASMEDGE_PLUGIN_WASI_CRYPTO=ON -DWASMEDGE_PLUGIN_WASI_LOGGING=ON -DWASMEDGE_PLUGIN_RUSTLS=ON -DWASMEDGE_PLUGIN_TENSORFLOW=ON -DWASMEDGE_PLUGIN_TENSORFLOWLITE=ON -DWASMEDGE_PLUGIN_IMAGE=ON -DWASMEDGE_PLUGIN_OPENCVMINI=ON -DWASMEDGE_PLUGIN_ZLIB=ON
+      tar_names: wasi_crypto wasi_logging wasmedge_rustls wasmedge_tensorflow wasmedge_tensorflowlite wasmedge_image wasmedge_opencvmini wasmedge_zlib
+      output_bins: libwasmedgePluginWasiCrypto.dylib libwasmedgePluginWasiLogging.dylib libwasmedge_rustls.dylib libwasmedgePluginWasmEdgeTensorflow.dylib libwasmedgePluginWasmEdgeTensorflowLite.dylib libwasmedgePluginWasmEdgeImage.dylib libwasmedgePluginWasmEdgeOpenCVMini.dylib libwasmedgePluginWasmEdgeZlib.so
     needs: create_release
     steps:
       - name: Checkout code
@@ -641,6 +653,13 @@ jobs:
           eval $(/opt/homebrew/bin/brew shellenv)
           mv plugin_wasmedge_opencvmini.tar.gz WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-darwin_${{ matrix.arch }}.tar.gz
           gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_opencvmini-${{ needs.create_release.outputs.version }}-darwin_${{ matrix.arch }}.tar.gz --clobber
+      - name: Upload wasmedge_zlib plugin tar.gz package
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          eval $(/opt/homebrew/bin/brew shellenv)
+          mv plugin_wasmedge_zlib.tar.gz WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-darwin_${{ matrix.arch }}.tar.gz
+          gh release upload ${{ needs.create_release.outputs.version }} WasmEdge-plugin-wasmedge_zlib-${{ needs.create_release.outputs.version }}-darwin_${{ matrix.arch }}.tar.gz --clobber
 
   build_manylinux2014_runtime_only:
     name: Build runtime only on manylinux2014 platform

CMakeLists.txt

@@ -71,6 +71,7 @@ option(WASMEDGE_PLUGIN_IMAGE "Enable WasmEdge image plugin." OFF)
 option(WASMEDGE_PLUGIN_TENSORFLOW "Enable WasmEdge TensorFlow plugin." OFF)
 option(WASMEDGE_PLUGIN_TENSORFLOWLITE "Enable WasmEdge TensorFlow-Lite plugin." OFF)
 option(WASMEDGE_PLUGIN_RUSTLS "Enable WasmEdge Rustls plugin." OFF)
+option(WASMEDGE_PLUGIN_ZLIB "Enable WasmEdge zlib plugin." OFF)
 option(WASMEDGE_DISABLE_LIBTINFO "Disable linking against libtinfo when linking LLVM" OFF)
 
 if(WASMEDGE_BUILD_TOOLS AND WASMEDGE_BUILD_FUZZING)

plugins/CMakeLists.txt

@@ -70,3 +70,7 @@ endif()
 if(WASMEDGE_PLUGIN_RUSTLS)
   add_subdirectory(wasmedge_rustls)
 endif()
+
+if(WASMEDGE_PLUGIN_ZLIB)
+  add_subdirectory(wasmedge_zlib)
+endif()

plugins/wasmedge_zlib/CMakeLists.txt

@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: 2019-2022 Second State INC
+
+# Don't reply on System zlib
+# find_package(ZLIB REQUIRED)
+
+set(ZLIB_COMPAT ON)
+set(ZLIBNG_ENABLE_TESTS OFF)
+
+FetchContent_Declare(
+    zlib
+    GIT_REPOSITORY "https://github.com/zlib-ng/zlib-ng.git"
+    GIT_TAG 2.0.7
+    GIT_PROGRESS TRUE
+)
+FetchContent_MakeAvailable(zlib)
+
+wasmedge_add_library(wasmedgePluginWasmEdgeZlib
+  SHARED
+  zlibenv.cpp
+  zlibfunc.cpp
+  zlibmodule.cpp
+)
+
+target_compile_options(wasmedgePluginWasmEdgeZlib
+  PUBLIC
+  -DWASMEDGE_PLUGIN
+)
+
+target_include_directories(wasmedgePluginWasmEdgeZlib
+  PUBLIC
+  $<TARGET_PROPERTY:wasmedgePlugin,INCLUDE_DIRECTORIES>
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+if(WASMEDGE_LINK_PLUGINS_STATIC)
+  target_link_libraries(wasmedgePluginWasmEdgeZlib
+    PRIVATE
+    wasmedgeCAPI
+    zlib
+  )
+else()
+  target_link_libraries(wasmedgePluginWasmEdgeZlib
+    PRIVATE
+    wasmedge_shared
+    zlib
+  )
+endif()
+
+install(TARGETS wasmedgePluginWasmEdgeZlib DESTINATION ${CMAKE_INSTALL_LIBDIR}/wasmedge)

plugins/wasmedge_zlib/zlibbase.h

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2019-2022 Second State INC
+
+#pragma once
+
+#include "zlibenv.h"
+
+#include "common/errcode.h"
+#include "runtime/callingframe.h"
+#include "runtime/hostfunc.h"
+
+namespace WasmEdge {
+namespace Host {
+
+template <typename T> class WasmEdgeZlib : public Runtime::HostFunction<T> {
+public:
+  WasmEdgeZlib(WasmEdgeZlibEnvironment &HostEnv)
+      : Runtime::HostFunction<T>(0), Env(HostEnv) {}
+
+protected:
+  WasmEdgeZlibEnvironment &Env;
+};
+
+} // namespace Host
+} // namespace WasmEdge

plugins/wasmedge_zlib/zlibenv.cpp

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2019-2022 Second State INC
+
+#include "zlibenv.h"
+#include "zlibmodule.h"
+
+namespace WasmEdge {
+namespace Host {
+
+namespace {
+
+Runtime::Instance::ModuleInstance *
+create(const Plugin::PluginModule::ModuleDescriptor *) noexcept {
+  return new WasmEdgeZlibModule;
+}
+
+Plugin::Plugin::PluginDescriptor Descriptor{
+    .Name = "wasmedge_zlib",
+    .Description = "",
+    .APIVersion = Plugin::Plugin::CurrentAPIVersion,
+    .Version = {0, 10, 1, 0},
+    .ModuleCount = 1,
+    .ModuleDescriptions =
+        (Plugin::PluginModule::ModuleDescriptor[]){
+            {
+                .Name = "wasmedge_zlib",
+                .Description = "",
+                .Create = create,
+            },
+        },
+    .AddOptions = nullptr,
+};
+
+} // namespace
+
+Plugin::PluginRegister WasmEdgeZlibEnvironment::Register(&Descriptor);
+
+} // namespace Host
+} // namespace WasmEdge