Add streaming sample

.accepted_words.txt

@@ -8,12 +8,14 @@ Chariott's
 chariott
 com
 config
+dev
 digitaltwins
 dir
 dt
 dtdl
 DTDL
 en
+fontconfig
 gcc
 gcc's
 github
@@ -31,6 +33,7 @@ json
 JSON
 ld
 LD
+libfontconfig
 microsoft
 minimalistic
 mosquitto

Cargo.toml

@@ -4,6 +4,8 @@
 
 [workspace]
 
+# Use version 2 of the feature resolver.
+# This is needed by a dependency of the show-image crate.
 resolver = "2"
 
 members = [
@@ -53,6 +55,5 @@ tokio-stream = "0.1.14"
 tonic = "0.9.2"
 tonic-build = "0.9.2"
 url = "2.3.1"
-uuencode = "0.1.5"
 uuid = "1.2.2"
 yaml-rust = "0.4"

README.md

@@ -6,6 +6,8 @@
   - [Install gcc](#install-gcc)
   - [Install Rust](#install-rust)
   - [Install Protobuf Compiler](#install-protobuf-compiler)
+  - [Install fontconfig-dev library](#install-fontconfig-dev-lib)
+  - [Install MQTT Broker](#install-mqtt-broker)
 - [Cloning the Repo](#cloning-the-repo)
 - [Developer Notes](#developer-notes)
   - [JSON-LD Crate](#json-ld-crate)
@@ -61,7 +63,17 @@ The toolchain version is managed by the `rust-toolchain.toml` file. If you do no
 
 You will need to install the Protobuf Compiler. This can be done by executing:
 
-`sudo apt install -y protobuf-compiler`
+```shell
+sudo apt install -y protobuf-compiler
+```
+
+### <a name="install-fontconfig-dev-lib">Install fontconfig-dev library</a>
+
+You will need to install the fontconfig-dev library. This can be done by executing:
+
+```shell
+sudo apt install -y libfontconfig-dev
+```
 
 ### <a name="install-mqtt-broker">Install MQTT Broker</a>
 

digital-twin-model/dtdl/v3/spec/sdv/hvac.json

@@ -9,7 +9,7 @@
           "@type": "Property",
           "@id": "dtmi:sdv:HVAC:AmbientAirTemperature;1",
           "name": "AmbientAirTemperature",
-          "description": "The immediate surroundings air temperature (in Fahrenheit).",
+          "description": "The immediate surroundings' air temperature (in Fahrenheit).",
           "schema": "integer"
         },
         {

docs/design/README.md

@@ -70,13 +70,13 @@ DTDL can identify and specify each of the resources. Below is an example of a HV
 
 #### Register
 
-Below is the sequence diagram for the Register activity.
+The sequence diagram for the Register activity is shown below.
 
 ![Sequence Diagram](diagrams/register_sequence.svg)
 
 #### Find by Id
 
-Below is the sequence diagram for the Find-By-Id activity.
+The sequence diagram for the Find-By-Id activity is shown below.
 
 ![Sequence Diagram](diagrams/findbyid_sequence.svg)
 
@@ -86,31 +86,31 @@ Below is the sequence diagram for the Find-By-Id activity.
 
 #### Get
 
-The sequence diagram for a Digital Twin Consumer using the Get operation.
+The sequence diagram for a Digital Twin Consumer using the Get operation is shown below.
 
 ![Sequence Diagram](diagrams/get_sequence.svg)
 
 #### Set
 
-The sequence diagram for a Digital Twin Consumer using the Set operation.
+The sequence diagram for a Digital Twin Consumer using the Set operation is shown below.
 
 ![Sequence Diagram](diagrams/set_sequence.svg)
 
 #### Subscribe
 
-The sequence diagram for a Digital Twin Consumer using the Subscribe operation.
+The sequence diagram for a Digital Twin Consumer using the Subscribe operation is shown below.
 
 ![Sequence Diagram](diagrams/subscribe_sequence.svg)
 
 #### Invoke
 
-The sequence diagram for a Digital Twin Consumer using the Invoke operation.
+The sequence diagram for a Digital Twin Consumer using the Invoke operation is shown below.
 
 ![Sequence Diagram](diagrams/invoke_sequence.svg)
 
 #### Stream
 
-The sequence diagram for a Digital Twin Consumer using the Stream operation.
+The sequence diagram for a Digital Twin Consumer using the Stream operation is shown below.
 
 ![Sequence Diagram](diagrams/stream_sequence.svg)
 

docs/design/diagrams/findbyid_sequence.puml

@@ -9,7 +9,7 @@ entityAccessInfo:
 {
     name: "AmbientAirTemperature"
     id: "dtmi:sdv:HVAC:AmbientAirTemperature;1"
-    description: "The immediate surroundings air temperature (in Fahrenheit)."
+    description: "The immediate surroundings' air temperature (in Fahrenheit)."
     endpointInfoList: [
         {
             protocol: "grpc"

docs/design/diagrams/get_sequence.puml

@@ -9,7 +9,7 @@ entityAccessInfo:
 {
     name: "AmbientAirTemperature"
     id: "dtmi:sdv:HVAC:AmbientAirTemperature;1"
-    description: "The immediate surroundings air temperature (in Fahrenheit)."
+    description: "The immediate surroundings' air temperature (in Fahrenheit)."
     endpointInfoList: [
         {
             protocol: "grpc"