cloudevents#9 Encoders for MQTT

Signed-off-by: Subhobrata Dey <sbcd90@gmail.com>

.github/workflows/rust_tests.yml

@@ -76,7 +76,7 @@ jobs:
       with:
         command: build
         toolchain: ${{ matrix.toolchain }}
-        args: --target ${{ matrix.target }} --features vendored --workspace
+        args: --target ${{ matrix.target }} --workspace
       env:
         CC: musl-gcc
         CXX: g++
@@ -86,7 +86,7 @@ jobs:
       with:
         command: test
         toolchain: ${{ matrix.toolchain }}
-        args: --target ${{ matrix.target }} --features vendored --workspace
+        args: --target ${{ matrix.target }} --workspace
       env:
         CC: musl-gcc
         CXX: g++
@@ -98,7 +98,7 @@ jobs:
       with:
         command: build
         toolchain: ${{ matrix.toolchain }}
-        args: --target wasm32-unknown-unknown --features vendored --package cloudevents-sdk --package cloudevents-sdk-reqwest
+        args: --target wasm32-unknown-unknown --package cloudevents-sdk --package cloudevents-sdk-reqwest
 
     # Build examples
     - uses: actions-rs/cargo@v1
@@ -107,7 +107,7 @@ jobs:
       with:
         command: build
         toolchain: ${{ matrix.toolchain }}
-        args: --target ${{ matrix.target }} --features vendored --manifest-path ./example-projects/reqwest-wasm-example/Cargo.toml
+        args: --target ${{ matrix.target }} --manifest-path ./example-projects/reqwest-wasm-example/Cargo.toml
 
     - uses: actions-rs/cargo@v1
       name: "Build rdkafka-example"
@@ -132,3 +132,11 @@ jobs:
         command: build
         toolchain: ${{ matrix.toolchain }}
         args: --target ${{ matrix.target }} --manifest-path ./example-projects/warp-example/Cargo.toml
+
+    - uses: actions-rs/cargo@v1
+      name: "Build paho-mqtt-example"
+      if: matrix.target == 'x86_64-unknown-linux-gnu' && matrix.toolchain == 'stable'
+      with:
+        command: build
+        toolchain: ${{ matrix.toolchain }}
+        args: --target ${{ matrix.target }} --manifest-path ./example-projects/paho-mqtt-example/Cargo.toml

Cargo.toml

@@ -24,11 +24,12 @@ delegate-attr = "^0.2"
 base64 = "^0.12"
 url = { version = "^2.1", features = ["serde"] }
 snafu = "^0.6"
-openssl-sys = "*"
 bitflags = "^1.2"
 
 [target."cfg(not(target_arch = \"wasm32\"))".dependencies]
 hostname = "^0.3"
+openssl-sys = "*"
+openssl = { version = "*", features = ["vendored"] }
 uuid = { version = "^0.8", features = ["v4"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
@@ -41,9 +42,6 @@ claim = "0.3.1"
 version-sync = "^0.9"
 serde_yaml = "0.8"
 
-[features]
-vendored = ["openssl-sys/vendored"]
-
 [workspace]
 members = [
   ".",