Usermanager protected with lock_guards

src/usermanager.h

@@ -5,6 +5,7 @@
 #include <map>
 #include <vector>
 #include <sstream>
+#include <mutex>
 #include "locations.h"
 
 std::vector<std::string> splitLogFile(const std::string& input, char delimiter);
@@ -13,6 +14,7 @@ class userManager
 {
 private:
     std::map<std::string, bool> users;
+    std::mutex mtx;
 
 public:
     
@@ -23,6 +25,7 @@ public:
 
     void addUser(std::string &user)
     {
+        std::lock_guard<std::mutex> lock(mtx);
         if (users.count(user) == 0)
         {
             users[user] = false;
@@ -31,16 +34,19 @@ public:
 
     void removeUser(std::string &user)
     {
+        std::lock_guard<std::mutex> lock(mtx);
         users.erase(user);
     }
 
     bool isContains(std::string &user)
     {
+        std::lock_guard<std::mutex> lock(mtx);
         return users.count(user) == 1;
     }
 
     void setUserFlagged(std::string &user)
     {
+        std::lock_guard<std::mutex> lock(mtx);
         if (users.count(user) == 1)
         {
             users[user] = true;
@@ -49,6 +55,7 @@ public:
 
     void setUserUnflagged(std::string &user)
     {
+        std::lock_guard<std::mutex> lock(mtx);
         if (users.count(user) == 1)
         {
             users[user] = false;
@@ -57,6 +64,7 @@ public:
 
     void unflagAllUsers()
     {
+        std::lock_guard<std::mutex> lock(mtx);
         for (std::map<std::string, bool>::iterator it = users.begin(); it != users.end(); ++it)
         {
             it->second = false;
@@ -67,6 +75,8 @@ public:
     {
         std::vector<std::string> ret;
 
+        std::lock_guard<std::mutex> lock(mtx);
+
         for (std::map<std::string, bool>::iterator it = users.begin(); it != users.end(); ++it)
         {
             ret.push_back(it->first);
@@ -79,6 +89,8 @@ public:
     {
         std::vector<std::string> ret;
 
+        std::lock_guard<std::mutex> lock(mtx);
+
         for (std::map<std::string, bool>::iterator it = users.begin(); it != users.end(); ++it)
         {
             if (it->second)