mainapp: Print out the action -> target map at startup

We have multiple methods for setting the action to systemd target
mappings on the command line. This makes it more clear to the end user
what the daemon interprets as the final mapping when it starts up.

Change-Id: Ib57dc04575a578bba54f5bf8cb47d6a61690d3a3
Signed-off-by: William A. Kennington III <wak@google.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/mainapp.cpp b/mainapp.cpp
index 6cc3fdf..bf60c88 100644
--- a/mainapp.cpp
+++ b/mainapp.cpp
@@ -18,12 +18,14 @@
 #include <phosphor-logging/log.hpp>
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/elog-errors.hpp>
+#include <string>
 #include <xyz/openbmc_project/Common/error.hpp>
 #include "argument.hpp"
 #include "watchdog.hpp"
 
 using phosphor::watchdog::ArgumentParser;
 using phosphor::watchdog::Watchdog;
+using sdbusplus::xyz::openbmc_project::State::server::convertForMessage;
 
 static void exitWithError(const char* err, char** argv)
 {
@@ -32,6 +34,18 @@ static void exitWithError(const char* err, char** argv)
     exit(EXIT_FAILURE);
 }
 
+void printActionTargets(
+        const std::map<Watchdog::Action, std::string>& actionTargets)
+{
+    std::cerr << "Action Targets:\n";
+    for (const auto& actionTarget : actionTargets)
+    {
+        std::cerr << "  " << convertForMessage(actionTarget.first) << " -> " <<
+            actionTarget.second << "\n";
+    }
+    std::cerr << std::flush;
+}
+
 int main(int argc, char** argv)
 {
     using namespace phosphor::logging;
@@ -89,6 +103,8 @@ int main(int argc, char** argv)
         actionTargets[Watchdog::Action::PowerCycle] = target;
     }
 
+    printActionTargets(actionTargets);
+
     sd_event* event = nullptr;
     auto r = sd_event_default(&event);
     if (r < 0)