fix build errors

Cargo.toml

@@ -7,6 +7,7 @@
 resolver = "2"
 members = [
     "cloud_connectors/azure/mqtt_connector",
+    "cloud_connectors/azure/proto-build",
     "freyja_adapters/cloud/azure_cloud_connector_adapter",
     "freyja_apps/e2e",
     "freyja_apps/ibeji_integration",

cloud_connectors/azure/mqtt_connector/README.md

@@ -210,4 +210,4 @@ To build and run the MQTT connector, run the following command:
 cargo run -p mqtt-cloud-connector
 ```
 
-This will rebuild the project as necessary before running it. If you just want to build the project without running it, use `cargo build` instead of `cargo run`.
+This will rebuild the project as necessary before running it. If you only want to build the project without running it, use `cargo build` instead of `cargo run`.

cloud_connectors/azure/proto-build/Cargo.toml

@@ -0,0 +1,17 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+# SPDX-License-Identifier: MIT
+
+[package]
+name = "azure-cloud-connector-proto"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+
+[dependencies]
+tonic = { workspace = true }
+tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
+prost = { workspace = true }
+
+[build-dependencies]
+tonic-build = { workspace = true }

cloud_connectors/azure/proto-build/build.rs

@@ -0,0 +1,7 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+// SPDX-License-Identifier: MIT
+
+fn main() {
+    tonic_build::compile_protos("../proto/azure_cloud_connector.proto").unwrap();
+}

cloud_connectors/azure/proto-build/src/lib.rs

@@ -0,0 +1,7 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+// SPDX-License-Identifier: MIT
+
+pub mod azure_cloud_connector {
+    tonic::include_proto!("azure_cloud_connector");
+}

cloud_connectors/azure/sample-dtdl/README.md

@@ -46,7 +46,7 @@ The steps below will guide you on manually deploying the Azure Digital Twins res
 
 1. Set up your [Azure Digital Twin Instance](https://learn.microsoft.com/en-us/azure/digital-twins/quickstart-azure-digital-twins-explorer#set-up-azure-digital-twins).
 
-    If you wish to use the default mappings in the [.freyja directory](../../../.frejya/), create the following instances:
+    If you wish to use the default mappings in this repository, create the following instances:
 
     * vehicle
     * hvac

freyja_adapters/cloud/azure_cloud_connector_adapter/src/azure_cloud_connector_adapter.rs

@@ -54,21 +54,21 @@ impl AzureCloudConnectorAdapter {
     ) -> Result<CloudDigitalTwinInstance, CloudAdapterError> {
         Ok(CloudDigitalTwinInstance {
             model_id: cloud_message
-                .cloud_signal
+                .metadata
                 .get(MODEL_ID_KEY)
                 .ok_or_else(|| {
                     CloudAdapterError::key_not_found(format!("Cannot find key: {MODEL_ID_KEY:}"))
                 })?
                 .clone(),
             instance_id: cloud_message
-                .cloud_signal
+                .metadata
                 .get(INSTANCE_ID_KEY)
                 .ok_or_else(|| {
                     CloudAdapterError::key_not_found(format!("Cannot find key: {INSTANCE_ID_KEY:}"))
                 })?
                 .clone(),
             instance_property_path: cloud_message
-                .cloud_signal
+                .metadata
                 .get(INSTANCE_PROPERTY_PATH_KEY)
                 .ok_or_else(|| {
                     CloudAdapterError::key_not_found(format!(
@@ -153,7 +153,7 @@ mod azure_cloud_connector_tests {
     #[tokio::test]
     async fn get_instance_info_from_message_test() {
         let cloud_message = CloudMessageRequest {
-            cloud_signal: HashMap::new(),
+            metadata: HashMap::new(),
             signal_value: String::new(),
             signal_timestamp: String::new(),
         };