Require a message on "Application::signalStop" (#5255)

This change adds a message parameter to Application::signalStop for extra context.

Author: ximinez

src/test/jtx/impl/Env.cpp

@@ -96,7 +96,7 @@ Env::AppBundle::~AppBundle()
     if (app)
     {
         app->getJobQueue().rendezvous();
-        app->signalStop();
+        app->signalStop("~AppBundle");
     }
     if (thread.joinable())
         thread.join();

src/xrpld/app/main/Application.cpp

@@ -285,7 +285,7 @@ class ApplicationImp : public Application, public BasicApp
                   config_->CONFIG_DIR),
               *this,
               logs_->journal("PerfLog"),
-              [this] { signalStop(); }))
+              [this] { signalStop("PerfLog"); }))
 
         , m_txMaster(*this)
 
@@ -505,7 +505,7 @@ class ApplicationImp : public Application, public BasicApp
     void
     run() override;
     void
-    signalStop(std::string msg = "") override;
+    signalStop(std::string msg) override;
     bool
     checkSigs() const override;
     void
@@ -977,7 +977,7 @@ class ApplicationImp : public Application, public BasicApp
         if (!config_->standalone() &&
             !getRelationalDatabase().transactionDbHasSpace(*config_))
         {
-            signalStop();
+            signalStop("Out of transaction DB space");
         }
 
         // VFALCO NOTE Does the order of calls matter?
@@ -1193,7 +1193,7 @@ ApplicationImp::setup(boost::program_options::variables_map const& cmdline)
             JLOG(m_journal.info()) << "Received signal " << signum;
 
             if (signum == SIGTERM || signum == SIGINT)
-                signalStop();
+                signalStop("Signal: " + to_string(signum));
         });
 
     auto debug_log = config_->getDebugLogFile();

src/xrpld/app/main/Application.h

@@ -141,7 +141,7 @@ class Application : public beast::PropertyStream::Source
     virtual void
     run() = 0;
     virtual void
-    signalStop(std::string msg = "") = 0;
+    signalStop(std::string msg) = 0;
     virtual bool
     checkSigs() const = 0;
     virtual void

src/xrpld/rpc/handlers/Stop.cpp

@@ -31,7 +31,7 @@ struct JsonContext;
 Json::Value
 doStop(RPC::JsonContext& context)
 {
-    context.app.signalStop();
+    context.app.signalStop("RPC");
     return RPC::makeObjectValue(systemName() + " server stopping");
 }