Add Transparent Reader Support (TRS)

.github/workflows/reusable-ci.yml

@@ -90,6 +90,19 @@ jobs:
     - name: Run unit-tests
       run: cmake --build . --parallel 7 --target check
 
+  # TRS is off in the default config, so Test above does not reach the
+  # transparent reader sources or their tests.
+  TestTRS:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v7
+      with:
+        submodules: recursive
+    - name: Configure
+      run: cmake -DCMAKE_BUILD_TYPE=Debug -DOPT_BUILD_OSDP_TRS=ON .
+    - name: Run unit-tests
+      run: cmake --build . --parallel 7 --target check
+
   CheckPatch:
     runs-on: ubuntu-latest
     steps:

CMakeLists.txt

@@ -41,6 +41,7 @@ option(OPT_OSDP_STATIC "Build without dynamic memory allocation" OFF)
 option(OPT_OSDP_LIB_ONLY "Only build the library" OFF)
 option(OPT_BUILD_BARE_METAL "Build library for bare metal targets" OFF)
 option(OPT_USE_32BIT_TICK_T "Use uint32_t tick_t on bare-metal targets" OFF)
+option(OPT_BUILD_OSDP_TRS "Enable Transparent Reader Support" OFF)
 set(OPT_OSDP_CRYPTO_BACKEND "auto" CACHE STRING
 	"Crypto backend selection: auto, openssl, mbedtls, or tinyaes")
 set_property(CACHE OPT_OSDP_CRYPTO_BACKEND PROPERTY STRINGS

configure.sh

@@ -28,6 +28,7 @@ usage() {
 	  --lib-only                   Only build the library
 	  --bare-metal                 Enable bare-metal build paths
 	  --use-32bit-tick-t           Use uint32_t tick_t (requires --bare-metal)
+	  --enable-trs                 Enable Transparent Reader Support (TRS)
 	  --cross-compile PREFIX       Use to pass a compiler prefix
 	  --prefix PATH                Install path prefix (default: /usr)
 	  --build-dir                  Build output directory (default: ./build)
@@ -57,6 +58,7 @@ while [ $# -gt 0 ]; do
 	--lib-only)            LIB_ONLY=1;;
 	--bare-metal)          BARE_METAL=1;;
 	--use-32bit-tick-t)    USE_32BIT_TICK_T=1;;
+	--enable-trs)          ENABLE_TRS=1;;
 	--build-dir)           BUILD_DIR=$2; shift;;
 	-d|--debug)            DEBUG=1;;
 	-f|--force)            FORCE=1;;
@@ -133,6 +135,10 @@ if [[ ! -z "${USE_32BIT_TICK_T}" ]]; then
 	CCFLAGS+=" -DUSE_32BIT_TICK_T"
 fi
 
+if [[ ! -z "${ENABLE_TRS}" ]]; then
+	CCFLAGS+=" -DOPT_BUILD_OSDP_TRS"
+fi
+
 ## Repo meta data
 echo "Extracting source code meta information"
 PROJECT_VERSION=$(perl -ne 'print if s/^project\(libosdp VERSION ([0-9.]+)\)$/\1/' CMakeLists.txt)
@@ -239,6 +245,10 @@ fi
 
 TARGETS="cp_app pd_app"
 
+if [[ ! -z "${ENABLE_TRS}" ]]; then
+	LIBOSDP_SOURCES+=" src/osdp_trs.c"
+fi
+
 # Suite source files come from the shared manifest so the lean and CMake
 # builds never drift; see tests/unit-tests/test-sources.list.
 TEST_SOURCES=""