Add Easy memtotal json

DOCUMENTATION.md

@@ -82,7 +82,5 @@ Sample response
   "memtotal" : 16255116,
   "memfree"  : 2127320,
   "memavailable" : 12324924,
-  "swaptotal" : 0,
-  "swapfree" : 0,
 }
 ```

src/components/memory.cpp

@@ -7,11 +7,11 @@
 #include "memory.hpp"
 
 bool memory::getProcMem(crow::json::wvalue& ret){
-    std::ifstream f ("/proc/meminfo");
+    std::ifstream f (procmempath);
     std::string line;
     if(f.is_open()){
         while(std::getline(f, line)){
-            size_t colon;
+            size_t colon = -1;
             int last_space = -1;
             int final_space = -1;
             for(int i = 0; line[i] != '\0' ; ++i){
@@ -36,7 +36,7 @@ bool memory::getProcMem(crow::json::wvalue& ret){
 }
 
 bool memory::getRawProcMem(std::string& ret){
-    std::ifstream f ("/proc/meminfo");
+    std::ifstream f (procmempath);
     std::string line;
     if(f.is_open()){
         while(std::getline(f, line)){
@@ -51,3 +51,37 @@ bool memory::getRawProcMem(std::string& ret){
 
     return true;
 }
+
+bool memory::getEasyMem(crow::json::wvalue& ret){
+    std::ifstream f (procmempath);
+    std::string line;
+    if(f.is_open()){
+        for(int j = 0; j < 3; ++j){
+            size_t colon = -1;
+            int last_space = -1;
+            int final_space = -1;
+            std::getline(f, line);
+            for(int i = 0; line[i] != '\0'; ++i){
+                if(line[i] == ':')
+                    colon = i;
+                else if(last_space == -1 && line[i-1] == ' ' && line[i] != ' ')
+                    last_space = i;
+                else if(last_space != -1 && line[i] == ' ')
+                    final_space = i;
+            }
+
+            ret[line.substr(0,colon)] = std::stof(line.substr(last_space, final_space - last_space));
+        }
+        f.close();
+    } else {
+        ret["message"] = "Failed to open proc filesystem";
+        return false;
+    }
+
+    return true;
+}
+
+bool memory::getRawEasyMem(std::string& ret){
+    std::ifstream f (procmempath);
+
+}

src/components/memory.hpp

@@ -11,8 +11,11 @@
 #include <string>
 #include <fstream>
 
+constexpr char procmempath[] = "/proc/meminfo";
+
 namespace memory{
     bool getProcMem(crow::json::wvalue&);
     bool getRawProcMem(std::string&);
     bool getEasyMem(crow::json::wvalue&);
+    bool getRawEasyMem(std::string&);
 }

src/routes.cpp

@@ -8,7 +8,6 @@
 
 void setRoutes(crow::SimpleApp& app){
     CROW_ROUTE(app, "/proc/meminfo")([](const crow::request& req){
-        crow::json::wvalue json;
         bool status;
         std::string accept = req.get_header_value("Accept");
 
@@ -19,13 +18,29 @@ void setRoutes(crow::SimpleApp& app){
             status = memory::getRawProcMem(accept);
             return crow::response(status ? 200 : 503, accept);
         } else {
+            crow::json::wvalue json;
             status = memory::getProcMem(json);
             return crow::response(status ? 200 : 503, json.dump());
         }
     });
 
+    CROW_ROUTE(app, "/mem")([](const crow::request& req){
+        bool status;
+        std::string accept = req.get_header_value("Accept");
+
+        std::transform(accept.begin(), accept.end(), accept.begin(), ::tolower);
+
+        if(accept == "text/plain"){
+            accept.clear();
+        } else {
+            crow::json::wvalue json;
+            status = memory::getEasyMem(json);
+            return crow::response(status ? 200 : 503, json.dump());
+        }
+
+    });
+
     CROW_ROUTE(app, "/proc/uptime")([](const crow::request& req){
-        crow::json::wvalue json;
         bool status;
         std::string accept = req.get_header_value("Accept");
 
@@ -36,6 +51,7 @@ void setRoutes(crow::SimpleApp& app){
             status = state::getRawUptime(accept);
             return crow::response(status ? 200 : 503, accept);
         } else {
+            crow::json::wvalue json;
             status = state::getUptime(json);
             return crow::response(status ? 200: 503, json.dump());
         }
@@ -47,8 +63,4 @@ void setRoutes(crow::SimpleApp& app){
         return ret;
     });
 
-    CROW_ROUTE(app, "/mem")([]{
-        return "mem";
-    });
-
 }