From f6e39ad47fe4345b9525148cdece8ad43bedc840 Mon Sep 17 00:00:00 2001
From: Gabriele Santomaggio <g.santomaggio@gmail.com>
Date: Thu, 25 Feb 2021 15:19:45 +0100
Subject: [PATCH] add setDynamicdata method

---
 bazel/repository_locations.bzl           |  6 +++---
 source/extensions/common/wasm/context.cc | 16 ++++++++++++++++
 source/extensions/common/wasm/context.h  |  2 ++
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index d914c9761535..735859d4a1ba 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -921,10 +921,10 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "WebAssembly for Proxies (C++ host implementation)",
         project_desc = "WebAssembly for Proxies (C++ host implementation)",
         project_url = "https://github.com/proxy-wasm/proxy-wasm-cpp-host",
-        version = "d1a2a7db59a72edacc9a6286b64280b72767d2d0",
-        sha256 = "3e81235c963291bd01f9425ed6e34d6b44ca0adc9f281b0cafc5cba6ad3bcc6d",
+        version = "dcfce2c319b26bd9109edd905d69f35e0b7cbc8e",
+        sha256 = "7ef0b220769b7ba536df40954451cb333822053e7030eff194e4a911472dc7d2",
         strip_prefix = "proxy-wasm-cpp-host-{version}",
-        urls = ["https://github.com/proxy-wasm/proxy-wasm-cpp-host/archive/{version}.tar.gz"],
+        urls = ["https://github.com/Gsantomaggio/proxy-wasm-cpp-host/archive/{version}.tar.gz"],
         use_category = ["dataplane_ext"],
         extensions = [
             "envoy.access_loggers.wasm",
diff --git a/source/extensions/common/wasm/context.cc b/source/extensions/common/wasm/context.cc
index aab2d7a7d76a..e827f5147f1f 100644
--- a/source/extensions/common/wasm/context.cc
+++ b/source/extensions/common/wasm/context.cc
@@ -1120,6 +1120,22 @@ const Network::Connection* Context::getConnection() const {
   return nullptr;
 }
 
+WasmResult Context::setDynamicdata(absl::string_view path, absl::string_view value) {
+  auto* stream_info = getRequestStreamInfo();
+  if (!stream_info) {
+    return WasmResult::NotFound;
+  }
+  std::string key;
+  absl::StrAppend(&key, path);
+  ProtobufWkt::Struct metadata_val;
+  // auto& fields_a = *metadata_val.mutable_fields();
+  std::string metadata_value;
+  absl::StrAppend(&metadata_value, value);
+  
+  stream_info->setDynamicMetadata(key, metadata_val);
+  return WasmResult::Ok;
+}
+
 WasmResult Context::setProperty(absl::string_view path, absl::string_view value) {
   auto* stream_info = getRequestStreamInfo();
   if (!stream_info) {
diff --git a/source/extensions/common/wasm/context.h b/source/extensions/common/wasm/context.h
index f6ef9384bb3b..3648ae713247 100644
--- a/source/extensions/common/wasm/context.h
+++ b/source/extensions/common/wasm/context.h
@@ -218,6 +218,8 @@ class Context : public proxy_wasm::ContextBase,
   // State accessors
   WasmResult getProperty(absl::string_view path, std::string* result) override;
   WasmResult setProperty(absl::string_view path, absl::string_view value) override;
+  WasmResult setDynamicdata(absl::string_view path, absl::string_view value) override;
+
   WasmResult declareProperty(absl::string_view path,
                              Filters::Common::Expr::CelStatePrototypeConstPtr state_prototype);