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moved state&comment

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EntireTwix 2021-04-09 00:16:43 -07:00
parent 565dd02cc4
commit 81930874db
1 changed files with 4 additions and 2 deletions
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6
include/bank.hpp
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@ -1,6 +1,7 @@
#pragma once #pragma once
#include <fstream> #include <fstream>
#include <shared_mutex> #include <shared_mutex>
#include <vector>
#include "parallel-hashmap/parallel_hashmap/phmap.h" #include "parallel-hashmap/parallel_hashmap/phmap.h"
#include "user.hpp" #include "user.hpp"
@ -58,8 +59,6 @@ public:
bool SendFunds(const std::string &a_name, const std::string &b_name, uint_fast32_t amount, const std::string &attempt) bool SendFunds(const std::string &a_name, const std::string &b_name, uint_fast32_t amount, const std::string &attempt)
{ {
//if A exists, A can afford it, and A's password matches
bool state = false;
//cant send money to self, from self //cant send money to self, from self
if (a_name == b_name) if (a_name == b_name)
@ -67,6 +66,8 @@ public:
return false; return false;
} }
//if A exists, A can afford it, and A's password matches
bool state = false;
std::shared_lock<std::shared_mutex> lock{save_lock}; //because SendFunds requires 3 locking operations std::shared_lock<std::shared_mutex> lock{save_lock}; //because SendFunds requires 3 locking operations
users.modify_if(a_name, [&state, amount, &attempt](User &a) { users.modify_if(a_name, [&state, amount, &attempt](User &a) {
if (state = (a.balance >= amount) && (a.password == attempt), state) if (state = (a.balance >= amount) && (a.password == attempt), state)
@ -145,6 +146,7 @@ public:
std::ofstream user_save("users.json"); std::ofstream user_save("users.json");
Json::Value temp; Json::Value temp;
//loading info into json temp
{ {
std::unique_lock<std::shared_mutex> lock{save_lock}; //grabbing it from any busy add/del opperations std::unique_lock<std::shared_mutex> lock{save_lock}; //grabbing it from any busy add/del opperations
for (const auto &u : users) for (const auto &u : users)