From 00d0a99cfd1616e80efd86ec0531e5ca86a455e8 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 4 Sep 2022 20:54:38 +0200
Subject: [PATCH] Add a description of which part of the config failed to load.

---
 src/lib/config.cc | 4 ++--
 src/lib/config.h  | 7 ++++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/lib/config.cc b/src/lib/config.cc
index d9a39077e..94595f9f8 100644
--- a/src/lib/config.cc
+++ b/src/lib/config.cc
@@ -69,7 +69,7 @@ using dcp::raw_convert;
 
 Config* Config::_instance = 0;
 int const Config::_current_version = 3;
-boost::signals2::signal<void ()> Config::FailedToLoad;
+boost::signals2::signal<void (Config::LoadFailure)> Config::FailedToLoad;
 boost::signals2::signal<void (string)> Config::Warning;
 boost::signals2::signal<bool (Config::BadReason)> Config::Bad;
 
@@ -611,7 +611,7 @@ catch (...) {
 	if (have_existing("config.xml") || have_existing("cinemas.xml") || have_existing("dkdm_recipients.xml")) {
 		backup ();
 		/* We have a config file but it didn't load */
-		FailedToLoad ();
+		FailedToLoad(LoadFailure::CONFIG);
 	}
 	set_defaults ();
 	/* Make a new set of signing certificates and key */
diff --git a/src/lib/config.h b/src/lib/config.h
index 96016d75b..8fbdeaf95 100644
--- a/src/lib/config.h
+++ b/src/lib/config.h
@@ -1143,7 +1143,12 @@ public:
 	/** Emitted if read() failed on an existing Config file.  There is nothing
 	    a listener can do about it: this is just for information.
 	*/
-	static boost::signals2::signal<void ()> FailedToLoad;
+	enum class LoadFailure {
+		CONFIG,
+		CINEMAS,
+		DKDM_RECIPIENTS
+	};
+	static boost::signals2::signal<void (LoadFailure)> FailedToLoad;
 	/** Emitted if read() issued a warning which the user might want to know about */
 	static boost::signals2::signal<void (std::string)> Warning;
 	/** Emitted if there is a something wrong the contents of our config.  Handler can call
-- 
2.30.2