feat(workspace): catch ipc errors

meson.build

@@ -6,7 +6,7 @@ project(
 )
 
 cpp_args = []
-cpp_link_args = ['-g']
+cpp_link_args = []
 
 if false # libc++
     cpp_args += ['-stdlib=libc++']

src/ipc/client.cpp

@@ -95,7 +95,6 @@ std::string ipc_single_command(int socketfd, uint32_t type, const char *payload,
 	}
 
 	struct ipc_response resp = ipc_recv_response(socketfd);
-	std::string response = resp.payload;
 	*len = resp.size;
-	return response;
+	return resp.payload;
 }

src/modules/workspaces.cpp

@@ -5,12 +5,17 @@ waybar::modules::Workspaces::Workspaces(Bar &bar)
   : _bar(bar)
 {
   _box.get_style_context()->add_class("workspaces");
+  try {
     std::string socketPath = get_socketpath();
     _ipcSocketfd = ipc_open_socket(socketPath);
     _ipcEventSocketfd = ipc_open_socket(socketPath);
     const char *subscribe = "[ \"workspace\", \"mode\" ]";
     uint32_t len = strlen(subscribe);
     ipc_single_command(_ipcEventSocketfd, IPC_SUBSCRIBE, subscribe, &len);
+  } catch (const std::exception& e) {
+    std::cerr << e.what() << std::endl;
+    return;
+  }
   _thread = [this] {
     Glib::signal_idle().connect_once([this] {
       update();
@@ -60,9 +65,13 @@ void waybar::modules::Workspaces::_addWorkspace(Json::Value node)
   _box.pack_start(button, false, false, 0);
   button.set_relief(Gtk::RELIEF_NONE);
   button.signal_clicked().connect([this, pair] {
+    try {
       auto value = fmt::format("workspace \"{}\"", pair.first->first);
       uint32_t size = value.size();
       ipc_single_command(_ipcSocketfd, IPC_COMMAND, value.c_str(), &size);
+    } catch (const std::exception& e) {
+      std::cerr << e.what() << std::endl;
+    }
   });
   _box.reorder_child(button, node["num"].asInt() - 1);
   if (node["focused"].asBool()) {
@@ -77,15 +86,20 @@ Json::Value waybar::modules::Workspaces::_getWorkspaces()
   Json::Value root;
   Json::CharReaderBuilder builder;
   Json::CharReader* reader = builder.newCharReader();
-  std::string err;
+  try {
     std::string str = ipc_single_command(_ipcSocketfd, IPC_GET_WORKSPACES,
       nullptr, &len);
-  bool res = reader->parse(str.c_str(), str.c_str() + str.size(), &root, &err);
+    std::string err;
+    bool res =
+      reader->parse(str.c_str(), str.c_str() + str.size(), &root, &err);
     delete reader;
     if (!res) {
       std::cerr << err << std::endl;
       return nullptr;
     }
+  } catch (const std::exception& e) {
+    std::cerr << e.what() << std::endl;
+  }
   return root;
 }