Add text/plain option for /proc/uptime

src/components/state.cpp

@@ -23,6 +23,8 @@ bool state::getUptime(crow::json::wvalue& ret){
         ret["uptime"] = std::stof(line.substr(0, space));
         ret["idle"] = std::stof(line.substr(space+1));
 
+        f.close();
+
     } else {
         ret["message"] = "Failed to open proc filesystem";
         return false;
@@ -32,5 +34,15 @@ bool state::getUptime(crow::json::wvalue& ret){
 }
 
 bool state::getRawUptime(std::string& ret){
+    std::ifstream f ("/proc/uptime");
+    if(f.is_open()){
+        std::getline(f, ret);
+        ret += "\n";
+        f.close();
+    } else {
+        ret = "Failed to open proc filesystem";
+        return false;
+    }
+
     return true;
 }

src/routes.cpp

@@ -24,13 +24,21 @@ void setRoutes(crow::SimpleApp& app){
         }
     });
 
-    CROW_ROUTE(app, "/proc/uptime")([](){
+    CROW_ROUTE(app, "/proc/uptime")([](const crow::request& req){
         crow::json::wvalue json;
         bool status;
+        std::string accept = req.get_header_value("Accept");
 
-        status = state::getUptime(json);
-        return crow::response(status ? 200: 503, json.dump());
+        std::transform(accept.begin(), accept.end(), accept.begin(), ::tolower);
 
+        if(accept == "text/plain"){
+            accept.clear();
+            status = state::getRawUptime(accept);
+            return crow::response(status ? 200 : 503, accept);
+        } else {
+            status = state::getUptime(json);
+            return crow::response(status ? 200: 503, json.dump());
+        }
     });
 
     CROW_ROUTE(app, "/mem")([]{