feat: enhance model mapper and router with rebuild triggers and path extensions (#3218)

plugins/wasm-cpp/.clang-format

@@ -0,0 +1 @@
+BasedOnStyle: Google

plugins/wasm-cpp/extensions/model_mapper/plugin.cc

@@ -135,8 +135,40 @@ bool PluginRootContext::configure(size_t configuration_size) {
   return true;
 }
 
+void PluginRootContext::incrementRequestCount() {
+  request_count_++;
+  if (request_count_ >= REBUILD_THRESHOLD) {
+    LOG_DEBUG("Request count reached threshold, triggering rebuild");
+    setFilterState("wasm_need_rebuild", "true");
+    request_count_ = 0;  // Reset counter after setting rebuild flag
+  }
+}
+
 FilterHeadersStatus PluginRootContext::onHeader(
     const ModelMapperConfigRule& rule) {
+  // Increment request count and check for rebuild
+  incrementRequestCount();
+
+  // Check memory threshold and trigger rebuild if needed
+  std::string value;
+  if (getValue({"plugin_vm_memory"}, &value)) {
+    // The value is stored as binary uint64_t, convert to string for logging
+    if (value.size() == sizeof(uint64_t)) {
+      uint64_t memory_size;
+      memcpy(&memory_size, value.data(), sizeof(uint64_t));
+      LOG_DEBUG(absl::StrCat("vm memory size is ", memory_size));
+      if (memory_size >= MEMORY_THRESHOLD_BYTES) {
+        LOG_INFO(absl::StrCat("Memory threshold reached (", memory_size, " >= ",
+                              MEMORY_THRESHOLD_BYTES, "), triggering rebuild"));
+        setFilterState("wasm_need_rebuild", "true");
+      }
+    } else {
+      LOG_ERROR("invalid memory size format");
+    }
+  } else {
+    LOG_ERROR("get vm memory size failed");
+  }
+
   if (!Wasm::Common::Http::hasRequestBody()) {
     return FilterHeadersStatus::Continue;
   }

plugins/wasm-cpp/extensions/model_mapper/plugin.h

@@ -42,9 +42,10 @@ struct ModelMapperConfigRule {
   std::vector<std::pair<std::string, std::string>> prefix_model_mapping_;
   std::string default_model_mapping_;
   std::vector<std::string> enable_on_path_suffix_ = {
-      "/completions",  "/embeddings",       "/images/generations",
+      "/completions",     "/embeddings",       "/images/generations",
-      "/audio/speech", "/fine_tuning/jobs", "/moderations",
+      "/audio/speech",    "/fine_tuning/jobs", "/moderations",
-      "/image-synthesis", "/video-synthesis"};
+      "/image-synthesis", "/video-synthesis",  "/rerank",
+      "/messages"};
 };
 
 // PluginRootContext is the root context for all streams processed by the
@@ -60,9 +61,13 @@ class PluginRootContext : public RootContext,
   FilterHeadersStatus onHeader(const ModelMapperConfigRule&);
   FilterDataStatus onBody(const ModelMapperConfigRule&, std::string_view);
   bool configure(size_t);
+  void incrementRequestCount();
 
  private:
   bool parsePluginConfig(const json&, ModelMapperConfigRule&) override;
+  uint64_t request_count_ = 0;
+  static constexpr uint64_t REBUILD_THRESHOLD = 1000;
+  static constexpr size_t MEMORY_THRESHOLD_BYTES = 200 * 1024 * 1024;
 };
 
 // Per-stream context.

plugins/wasm-cpp/extensions/model_router/plugin.cc

@@ -123,9 +123,40 @@ bool PluginRootContext::configure(size_t configuration_size) {
   return true;
 }
 
+void PluginRootContext::incrementRequestCount() {
+  request_count_++;
+  if (request_count_ >= REBUILD_THRESHOLD) {
+    LOG_DEBUG("Request count reached threshold, triggering rebuild");
+    setFilterState("wasm_need_rebuild", "true");
+    request_count_ = 0;  // Reset counter after setting rebuild flag
+  }
+}
+
 FilterHeadersStatus PluginRootContext::onHeader(
-    PluginContext& ctx,
+    PluginContext& ctx, const ModelRouterConfigRule& rule) {
-    const ModelRouterConfigRule& rule) {
+  // Increment request count and check for rebuild
+  incrementRequestCount();
+
+  // Check memory threshold and trigger rebuild if needed
+  std::string value;
+  if (getValue({"plugin_vm_memory"}, &value)) {
+    // The value is stored as binary uint64_t, convert to string for logging
+    if (value.size() == sizeof(uint64_t)) {
+      uint64_t memory_size;
+      memcpy(&memory_size, value.data(), sizeof(uint64_t));
+      LOG_DEBUG(absl::StrCat("vm memory size is ", memory_size));
+      if (memory_size >= MEMORY_THRESHOLD_BYTES) {
+        LOG_INFO(absl::StrCat("Memory threshold reached (", memory_size, " >= ",
+                              MEMORY_THRESHOLD_BYTES, "), triggering rebuild"));
+        setFilterState("wasm_need_rebuild", "true");
+      }
+    } else {
+      LOG_ERROR("invalid memory size format");
+    }
+  } else {
+    LOG_ERROR("get vm memory size failed");
+  }
+
   if (!Wasm::Common::Http::hasRequestBody()) {
     return FilterHeadersStatus::Continue;
   }
@@ -157,7 +188,7 @@ FilterHeadersStatus PluginRootContext::onHeader(
   auto content_type_value = content_type_ptr->view();
   LOG_DEBUG(absl::StrCat("Content-Type: ", content_type_value));
   if (absl::StrContains(content_type_value,
-                         Wasm::Common::Http::ContentTypeValues::Json)) {
+                        Wasm::Common::Http::ContentTypeValues::Json)) {
     ctx.mode_ = MODE_JSON;
     LOG_DEBUG("Enable JSON mode.");
     removeRequestHeader(Wasm::Common::Http::Header::ContentLength);
@@ -165,12 +196,15 @@ FilterHeadersStatus PluginRootContext::onHeader(
     LOG_INFO(absl::StrCat("SetRequestBodyBufferLimit: ", DefaultMaxBodyBytes));
     return FilterHeadersStatus::StopIteration;
   }
-  if (absl::StrContains(content_type_value,
+  if (absl::StrContains(
-                         Wasm::Common::Http::ContentTypeValues::MultipartFormData)) {
+          content_type_value,
+          Wasm::Common::Http::ContentTypeValues::MultipartFormData)) {
     // Get the boundary from the content type
     auto boundary_start = content_type_value.find("boundary=");
     if (boundary_start == std::string::npos) {
-      LOG_WARN(absl::StrCat("No boundary found in a multipart/form-data content-type: ", content_type_value));
+      LOG_WARN(absl::StrCat(
+          "No boundary found in a multipart/form-data content-type: ",
+          content_type_value));
       return FilterHeadersStatus::Continue;
     }
     boundary_start += 9;
@@ -181,21 +215,25 @@ FilterHeadersStatus PluginRootContext::onHeader(
     auto boundary_length = boundary_end - boundary_start;
     if (boundary_length < 1 || boundary_length > 70) {
       // See https://www.w3.org/Protocols/rfc1341/7_2_Multipart.html
-      LOG_WARN(absl::StrCat("Invalid boundary value in a multipart/form-data content-type: ", content_type_value));
+      LOG_WARN(absl::StrCat(
+          "Invalid boundary value in a multipart/form-data content-type: ",
+          content_type_value));
       return FilterHeadersStatus::Continue;
     }
-    auto boundary_value = content_type_value.substr(boundary_start, boundary_end - boundary_start);
+    auto boundary_value = content_type_value.substr(
+        boundary_start, boundary_end - boundary_start);
     ctx.mode_ = MODE_MULTIPART;
     ctx.boundary_ = boundary_value;
-    LOG_DEBUG(absl::StrCat("Enable multipart/form-data mode. Boundary=", boundary_value));
+    LOG_DEBUG(absl::StrCat("Enable multipart/form-data mode. Boundary=",
+                           boundary_value));
     removeRequestHeader(Wasm::Common::Http::Header::ContentLength);
     return FilterHeadersStatus::StopIteration;
   }
   return FilterHeadersStatus::Continue;
 }
 
-FilterDataStatus PluginRootContext::onJsonBody(const ModelRouterConfigRule& rule,
+FilterDataStatus PluginRootContext::onJsonBody(
-                                           std::string_view body) {
+    const ModelRouterConfigRule& rule, std::string_view body) {
   const auto& model_key = rule.model_key_;
   const auto& add_provider_header = rule.add_provider_header_;
   const auto& model_to_header = rule.model_to_header_;
@@ -231,18 +269,18 @@ FilterDataStatus PluginRootContext::onJsonBody(const ModelRouterConfigRule& rule
 }
 
 FilterDataStatus PluginRootContext::onMultipartBody(
-    PluginContext& ctx,
+    PluginContext& ctx, const ModelRouterConfigRule& rule, WasmDataPtr& body,
-    const ModelRouterConfigRule& rule,
-    WasmDataPtr& body,
     bool end_stream) {
   const auto& add_provider_header = rule.add_provider_header_;
   const auto& model_to_header = rule.model_to_header_;
 
   const auto boundary = ctx.boundary_;
   const auto body_view = body->view();
-  const auto model_param_header = absl::StrCat("Content-Disposition: form-data; name=\"", rule.model_key_, "\"");
+  const auto model_param_header = absl::StrCat(
+      "Content-Disposition: form-data; name=\"", rule.model_key_, "\"");
 
-  for (size_t pos = 0; (pos = body_view.find(boundary, pos)) != std::string_view::npos;) {
+  for (size_t pos = 0;
+       (pos = body_view.find(boundary, pos)) != std::string_view::npos;) {
     LOG_DEBUG(absl::StrCat("Found boundary at ", pos));
     pos += boundary.length();
     size_t end_pos = body_view.find(boundary, pos);
@@ -264,7 +302,7 @@ FilterDataStatus PluginRootContext::onMultipartBody(
       LOG_DEBUG("No value start found in part");
       break;
     }
-    value_start += 4; // Skip the "\r\n\r\n"
+    value_start += 4;  // Skip the "\r\n\r\n"
     // model parameter should be only one line
     size_t value_end = part.find(CRLF, value_start);
     if (value_end == std::string_view::npos) {
@@ -283,8 +321,12 @@ FilterDataStatus PluginRootContext::onMultipartBody(
         const auto& model = model_value.substr(pos + 1);
         replaceRequestHeader(add_provider_header, provider);
         size_t new_size = 0;
-        auto new_buffer_data = absl::StrCat(body_view.substr(0, part_pos + value_start), model, body_view.substr(part_pos + value_end));
+        auto new_buffer_data =
-        auto result = setBuffer(WasmBufferType::HttpRequestBody, 0, std::numeric_limits<size_t>::max(), new_buffer_data, &new_size);
+            absl::StrCat(body_view.substr(0, part_pos + value_start), model,
+                         body_view.substr(part_pos + value_end));
+        auto result = setBuffer(WasmBufferType::HttpRequestBody, 0,
+                                std::numeric_limits<size_t>::max(),
+                                new_buffer_data, &new_size);
         LOG_DEBUG(absl::StrCat("model route to provider:", provider,
                                ", model:", model));
         LOG_DEBUG(absl::StrCat("result=", result, "  new_size=", new_size));
@@ -294,7 +336,8 @@ FilterDataStatus PluginRootContext::onMultipartBody(
       }
     }
     // We are done now. We can stop processing the body.
-    LOG_DEBUG(absl::StrCat("Done processing multipart body after caching ", body_view.length() , " bytes."));
+    LOG_DEBUG(absl::StrCat("Done processing multipart body after caching ",
+                           body_view.length(), " bytes."));
     ctx.mode_ = MODE_BYPASS;
     return FilterDataStatus::Continue;
   }
@@ -324,8 +367,7 @@ FilterDataStatus PluginContext::onRequestBody(size_t body_size,
   auto* rootCtx = rootContext();
   body_total_size_ += body_size;
   switch (mode_) {
-    case MODE_JSON:
+    case MODE_JSON: {
-    {
       if (!end_stream) {
         return FilterDataStatus::StopIterationAndBuffer;
       }
@@ -333,8 +375,7 @@ FilterDataStatus PluginContext::onRequestBody(size_t body_size,
           getBufferBytes(WasmBufferType::HttpRequestBody, 0, body_total_size_);
       return rootCtx->onJsonBody(*config_, body->view());
     }
-    case MODE_MULTIPART:
+    case MODE_MULTIPART: {
-    {
       auto body =
           getBufferBytes(WasmBufferType::HttpRequestBody, 0, body_total_size_);
       return rootCtx->onMultipartBody(*this, *config_, body, end_stream);

plugins/wasm-cpp/extensions/model_router/plugin.h

@@ -48,9 +48,10 @@ struct ModelRouterConfigRule {
   std::string add_provider_header_;
   std::string model_to_header_;
   std::vector<std::string> enable_on_path_suffix_ = {
-      "/completions",  "/embeddings",       "/images/generations",
+      "/completions",     "/embeddings",       "/images/generations",
-      "/audio/speech", "/fine_tuning/jobs", "/moderations",
+      "/audio/speech",    "/fine_tuning/jobs", "/moderations",
-      "/image-synthesis", "/video-synthesis"};
+      "/image-synthesis", "/video-synthesis",  "/rerank",
+      "/messages"};
 };
 
 class PluginContext;
@@ -65,13 +66,20 @@ class PluginRootContext : public RootContext,
       : RootContext(id, root_id) {}
   ~PluginRootContext() {}
   bool onConfigure(size_t) override;
-  FilterHeadersStatus onHeader(PluginContext& ctx, const ModelRouterConfigRule&);
+  FilterHeadersStatus onHeader(PluginContext& ctx,
+                               const ModelRouterConfigRule&);
   FilterDataStatus onJsonBody(const ModelRouterConfigRule&, std::string_view);
-  FilterDataStatus onMultipartBody(PluginContext& ctx, const ModelRouterConfigRule& rule, WasmDataPtr& body, bool end_stream);
+  FilterDataStatus onMultipartBody(PluginContext& ctx,
+                                   const ModelRouterConfigRule& rule,
+                                   WasmDataPtr& body, bool end_stream);
   bool configure(size_t);
+  void incrementRequestCount();
 
  private:
   bool parsePluginConfig(const json&, ModelRouterConfigRule&) override;
+  uint64_t request_count_ = 0;
+  static constexpr uint64_t REBUILD_THRESHOLD = 1000;
+  static constexpr size_t MEMORY_THRESHOLD_BYTES = 200 * 1024 * 1024;
 };
 
 // Per-stream context.

plugins/wasm-cpp/extensions/model_router/plugin_test.cc

@@ -157,7 +157,8 @@ TEST_F(ModelRouterTest, RewriteModelAndHeader) {
   body_.set(request_json);
   EXPECT_EQ(context_->onRequestHeaders(0, false),
             FilterHeadersStatus::StopIteration);
-  EXPECT_EQ(context_->onRequestBody(request_json.length(), true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(request_json.length(), true),
+            FilterDataStatus::Continue);
 }
 
 TEST_F(ModelRouterTest, ModelToHeader) {
@@ -183,7 +184,8 @@ TEST_F(ModelRouterTest, ModelToHeader) {
   body_.set(request_json);
   EXPECT_EQ(context_->onRequestHeaders(0, false),
             FilterHeadersStatus::StopIteration);
-  EXPECT_EQ(context_->onRequestBody(request_json.length(), true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(request_json.length(), true),
+            FilterDataStatus::Continue);
 }
 
 TEST_F(ModelRouterTest, IgnorePath) {
@@ -210,7 +212,8 @@ TEST_F(ModelRouterTest, IgnorePath) {
   body_.set(request_json);
   EXPECT_EQ(context_->onRequestHeaders(0, false),
             FilterHeadersStatus::Continue);
-  EXPECT_EQ(context_->onRequestBody(request_json.length(), true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(request_json.length(), true),
+            FilterDataStatus::Continue);
 }
 
 TEST_F(ModelRouterTest, RouteLevelRewriteModelAndHeader) {
@@ -244,10 +247,10 @@ TEST_F(ModelRouterTest, RouteLevelRewriteModelAndHeader) {
   route_name_ = "route-a";
   EXPECT_EQ(context_->onRequestHeaders(0, false),
             FilterHeadersStatus::StopIteration);
-  EXPECT_EQ(context_->onRequestBody(request_json.length(), true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(request_json.length(), true),
+            FilterDataStatus::Continue);
 }
 
-
 TEST_F(ModelRouterTest, RewriteModelAndHeaderMultipartFormData) {
   std::string configuration = R"({
   "addProviderHeader": "x-higress-llm-provider"
@@ -257,8 +260,11 @@ TEST_F(ModelRouterTest, RewriteModelAndHeaderMultipartFormData) {
   EXPECT_TRUE(root_context_->configure(configuration.size()));
 
   path_ = "/v1/chat/completions";
-  content_type_ = "multipart/form-data; boundary=--------------------------100751621174704322650451";
+  content_type_ =
-  std::string request_data = std::regex_replace(R"(
+      "multipart/form-data; "
+      "boundary=--------------------------100751621174704322650451";
+  std::string request_data = std::regex_replace(
+      R"(
 ----------------------------100751621174704322650451
 Content-Disposition: form-data; name="purpose"
 
@@ -274,16 +280,21 @@ Content-Type: application/json
 [
 ]
 ----------------------------100751621174704322650451--
-)", std::regex("\n"), "\r\n"); // Multipart data requires CRLF line endings
+)",
+      std::regex("\n"), "\r\n");  // Multipart data requires CRLF line endings
   EXPECT_CALL(*mock_context_,
               setBuffer(testing::_, testing::_, testing::_, testing::_))
-      .WillOnce([&](WasmBufferType, size_t start, size_t length, std::string_view body) {
+      .WillOnce([&](WasmBufferType, size_t start, size_t length,
-        std::cerr << "===============" << "\n";
+                    std::string_view body) {
+        std::cerr << "==============="
+                  << "\n";
         std::cerr << body << "\n";
-        std::cerr << "===============" << "\n";
+        std::cerr << "==============="
+                  << "\n";
         EXPECT_EQ(start, 0);
         EXPECT_EQ(length, std::numeric_limits<size_t>::max());
-        auto expected_body= std::regex_replace(R"(
+        auto expected_body = std::regex_replace(
+            R"(
 ----------------------------100751621174704322650451
 Content-Disposition: form-data; name="purpose"
 
@@ -292,7 +303,9 @@ batch
 Content-Disposition: form-data; name="model"
 
 qwen-turbo
-)", std::regex("\n"), "\r\n"); // Multipart data requires CRLF line endings
+)",
+            std::regex("\n"),
+            "\r\n");  // Multipart data requires CRLF line endings
         EXPECT_EQ(body, expected_body);
         return WasmResult::Ok;
       });
@@ -308,42 +321,54 @@ qwen-turbo
 
   auto last_body_size = 0;
 
-  auto body = request_data.substr(0, request_data.find("batch") + 5 + 2 /* batch + CRLF */);
+  auto body = request_data.substr(
+      0, request_data.find("batch") + 5 + 2 /* batch + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("\"model\"") + 5 + 2 + 2 /* "model" + CRLF + CRLF */);
+  body = request_data.substr(0, request_data.find("\"model\"") + 5 + 2 +
+                                    2 /* "model" + CRLF + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
   body = request_data.substr(0, request_data.find("qwen") + 4 /* "qwen" */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-turbo") + 10 /* "qwen-turbo" */);
+  body = request_data.substr(
+      0, request_data.find("qwen-turbo") + 10 /* "qwen-turbo" */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-turbo") + 10 + 2 /* "qwen-turbo" + CRLF */);
+  body = request_data.substr(
+      0, request_data.find("qwen-turbo") + 10 + 2 /* "qwen-turbo" + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::Continue);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-turbo") + 10 + 2 + 50 /* "qwen-turbo" + CRLF + boundary */);
+  body = request_data.substr(0, request_data.find("qwen-turbo") + 10 + 2 +
+                                    50 /* "qwen-turbo" + CRLF + boundary */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::Continue);
   last_body_size = body.size();
 
   body_.set(request_data);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, true),
+            FilterDataStatus::Continue);
 }
 
 TEST_F(ModelRouterTest, ModelToHeaderMultipartFormData) {
-  std::string configuration =  R"(
+  std::string configuration = R"(
 {
   "modelToHeader": "x-higress-llm-model"
 })";
@@ -352,8 +377,11 @@ TEST_F(ModelRouterTest, ModelToHeaderMultipartFormData) {
   EXPECT_TRUE(root_context_->configure(configuration.size()));
 
   path_ = "/v1/chat/completions";
-  content_type_ = "multipart/form-data; boundary=--------------------------100751621174704322650451";
+  content_type_ =
-  std::string request_data = std::regex_replace(R"(
+      "multipart/form-data; "
+      "boundary=--------------------------100751621174704322650451";
+  std::string request_data = std::regex_replace(
+      R"(
 ----------------------------100751621174704322650451
 Content-Disposition: form-data; name="purpose"
 
@@ -369,7 +397,8 @@ Content-Type: application/json
 [
 ]
 ----------------------------100751621174704322650451--
-)", std::regex("\n"), "\r\n"); // Multipart data requires CRLF line endings
+)",
+      std::regex("\n"), "\r\n");  // Multipart data requires CRLF line endings
   EXPECT_CALL(*mock_context_,
               setBuffer(testing::_, testing::_, testing::_, testing::_))
       .Times(0);
@@ -384,38 +413,50 @@ Content-Type: application/json
 
   auto last_body_size = 0;
 
-  auto body = request_data.substr(0, request_data.find("batch") + 5 + 2 /* batch + CRLF */);
+  auto body = request_data.substr(
+      0, request_data.find("batch") + 5 + 2 /* batch + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("\"model\"") + 5 + 2 + 2 /* "model" + CRLF + CRLF */);
+  body = request_data.substr(0, request_data.find("\"model\"") + 5 + 2 +
+                                    2 /* "model" + CRLF + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
   body = request_data.substr(0, request_data.find("qwen") + 4 /* "qwen" */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-max") + 8 /* "qwen-max" */);
+  body = request_data.substr(
+      0, request_data.find("qwen-max") + 8 /* "qwen-max" */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::StopIterationAndBuffer);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::StopIterationAndBuffer);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-max") + 8 + 2 /* "qwen-max" + CRLF */);
+  body = request_data.substr(
+      0, request_data.find("qwen-max") + 8 + 2 /* "qwen-max" + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::Continue);
   last_body_size = body.size();
 
-  body = request_data.substr(0, request_data.find("qwen-max") + 8 + 2 + 50 /* "qwen-max" + CRLF */);
+  body = request_data.substr(
+      0, request_data.find("qwen-max") + 8 + 2 + 50 /* "qwen-max" + CRLF */);
   body_.set(body);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, false),
+            FilterDataStatus::Continue);
   last_body_size = body.size();
 
   body_.set(request_data);
-  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, true), FilterDataStatus::Continue);
+  EXPECT_EQ(context_->onRequestBody(body.size() - last_body_size, true),
+            FilterDataStatus::Continue);
 }
 
 }  // namespace model_router