wandad: improve error handling

2 files changed, 10 insertions, 3 deletions

diff --git a/src/control_interface.cpp b/src/control_interface.cpp
index 85d1dca..caeb6da 100644
--- a/src/control_interface.cpp
+++ b/src/control_interface.cpp
@@ -121,8 +121,9 @@ control_interface::pointer make_interface(boost::asio::io_service &service, std:
 {
     if (std::filesystem::exists(file))
     {
-        std::filesystem::remove(file);
+        return {};
     }
+
     control_interface::protocol::endpoint endpoint{file.string()};
     return std::make_shared<control_interface>(control_interface::key{}, service, std::move(endpoint));
 }
diff --git a/src/wandad.cpp b/src/wandad.cpp
index 04f3394..beb9040 100644
--- a/src/wandad.cpp
+++ b/src/wandad.cpp
@@ -45,9 +45,15 @@ int main()
 
     std::clog << "[wandad::main] Initializing control interface on socket '" << socket_path.native() << "'\n";
     auto interface = wanda::make_interface(service, socket_path);
-    auto status = interface->start();
 
-    if (status)
+    if(!interface)
+    {
+      std::cerr << "[wandad::main] Failed to initialize control interface on socket '" << socket_path.native() << "'\n"
+                << "[wandad::main] File already existed. Is 'wandad' running already?\n";
+      return;
+    }
+
+    if (interface->start())
     {
       return;
     }