1 files changed, 84 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/app-framework/base/native/request_response.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/app-framework/base/native/request_response.c
new file mode 100644
index 000000000..674ba5e9d
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/app-framework/base/native/request_response.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "app_manager_export.h"
+#include "coap_ext.h"
+#include "wasm_export.h"
+#include "bh_assert.h"
+
+extern void
+module_request_handler(request_t *request, void *user_data);
+
+bool
+wasm_response_send(wasm_exec_env_t exec_env, char *buffer, int size)
+{
+    if (buffer != NULL) {
+        response_t response[1];
+
+        if (NULL == unpack_response(buffer, size, response))
+            return false;
+
+        am_send_response(response);
+
+        return true;
+    }
+
+    return false;
+}
+
+void
+wasm_register_resource(wasm_exec_env_t exec_env, char *url)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+
+    if (url != NULL) {
+        unsigned int mod_id =
+            app_manager_get_module_id(Module_WASM_App, module_inst);
+        bh_assert(mod_id != ID_NONE);
+        am_register_resource(url, module_request_handler, mod_id);
+    }
+}
+
+void
+wasm_post_request(wasm_exec_env_t exec_env, char *buffer, int size)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+
+    if (buffer != NULL) {
+        request_t req[1];
+
+        if (!unpack_request(buffer, size, req))
+            return;
+
+        // TODO: add permission check, ensure app can't do harm
+
+        // set sender to help dispatch the response to the sender ap
+        unsigned int mod_id =
+            app_manager_get_module_id(Module_WASM_App, module_inst);
+        bh_assert(mod_id != ID_NONE);
+        req->sender = mod_id;
+
+        if (req->action == COAP_EVENT) {
+            am_publish_event(req);
+            return;
+        }
+
+        am_dispatch_request(req);
+    }
+}
+
+void
+wasm_sub_event(wasm_exec_env_t exec_env, char *url)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+
+    if (url != NULL) {
+        unsigned int mod_id =
+            app_manager_get_module_id(Module_WASM_App, module_inst);
+
+        bh_assert(mod_id != ID_NONE);
+        am_register_event(url, mod_id);
+    }
+}