Added version information

doorlockd/CMakeLists.txt

@@ -3,6 +3,32 @@ project(doorlockd)
 
 option(USE_COLORIZED_LOGS "Colorized logging" ON)
 
+set(DOORLOCKD_VERSION_MAJOR 1)
+set(DOORLOCKD_VERSION_MINOR 0)
+set(DOORLOCKD_VERSION_PATCH 0)
+
+set(DOORLOCKD_VERSION "${DOORLOCKD_VERSION_MAJOR}.${DOORLOCKD_VERSION_MINOR}.${DOORLOCKD_VERSION_PATCH}")
+
+MESSAGE(STATUS "doorlockd version: ${DOORLOCKD_VERSION}")
+
+# Get the current working branch
+execute_process(
+  COMMAND git rev-parse --abbrev-ref HEAD
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE GIT_BRANCH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+set(GIT_BRANCH "\"${GIT_BRANCH}\"")
+
+# Get the latest abbreviated commit hash of the working branch
+execute_process(
+  COMMAND git log -1 --format=%h
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE GIT_COMMIT_HASH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+set(GIT_COMMIT_HASH "\"${GIT_COMMIT_HASH}\"")
+
 add_definitions(-std=c++11)
 
 configure_file (

doorlockd/config.h.in

@@ -3,6 +3,13 @@
 
 #cmakedefine USE_COLORIZED_LOGS
 
+#define DOORLOCKD_VERSION_MAJOR "@DOORLOCKD_VERSION_MAJOR@"
+#define DOORLOCKD_VERSION_MINOR "@DOORLOCKD_VERSION_MINOR@"
+#define DOORLOCKD_VERSION_PATCH "@DOORLOCKD_VERSION_PATCH@"
+
+#define DOORLOCKD_GIT_BRANCH      @GIT_BRANCH@
+#define DOORLOCKD_GIT_COMMIT_HASH @GIT_COMMIT_HASH@
+
 #ifdef DEBUG
 #define DEFAULT_LOG_LEVEL LogLevel::debug2
 #else

doorlockd/main.cpp

@@ -18,6 +18,13 @@
 namespace po = boost::program_options;
 using boost::asio::ip::tcp;
 
+// Info about doorlockd version
+const static std::string version =
+        (std::string)"doorlockd-" + DOORLOCKD_VERSION_MAJOR + "."
+        + DOORLOCKD_VERSION_MINOR + "-" + DOORLOCKD_VERSION_PATCH;
+const static std::string gitversion =
+        DOORLOCKD_GIT_BRANCH  "-" DOORLOCKD_GIT_COMMIT_HASH;
+
 // The receive buffer length of the TCP socket
 const int constexpr SOCKET_BUFFERLENGTH = 2048;
 
@@ -139,11 +146,13 @@ int main(int argc, char** argv)
     std::string serDev;
     unsigned int baudrate;
 
+    l((std::string)"Hello, this is " + version + " built on " + gitversion,
+      LogLevel::info);
     l(LogLevel::notice, "Starting doorlockd");
 
     try {
         unsigned int timeout;
-        po::options_description desc("usage: doorlockd");
+        po::options_description desc("doorlockd (" + version + " built on " + gitversion + ")");
         desc.add_options()
             ("help,h",
                 "print help")