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✨ implementing change state saving

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EntireTwix 2021-06-23 18:36:39 -07:00
parent 57a0ab5d54
commit 7aadd63cd5
2 changed files with 40 additions and 41 deletions
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3
main.cpp
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@ -62,7 +62,10 @@ int main(int argc, char **argv)
while (1) while (1)
{ {
std::this_thread::sleep_for(std::chrono::minutes(saving_freq)); std::this_thread::sleep_for(std::chrono::minutes(saving_freq));
if (bank.GetChangeState())
{
bank.Save(); bank.Save();
}
std::cout << "Saving " << std::time(0) << '\n'; std::cout << "Saving " << std::time(0) << '\n';
} }
}).detach(); }).detach();

24
src/bank.cpp
View file

@ -1,18 +1,13 @@
#include "bank.h" #include "bank.h"
#if CONSERVATIVE_DISK_SAVE #if CONSERVATIVE_DISK_SAVE
void Bank::ChangesMade() noexcept void Bank::ChangesMade() noexcept { return change_flag.store(1, std::memory_order_release); }
{ void Bank::ChangesSaved() noexcept { return change_flag.store(1, std::memory_order_release); }
return change_flag.store(1, std::memory_order_release); bool Bank::GetChangeState() noexcept { return change_flag.load(std::memory_order_acquire); }
} #else
void Bank::ChangesSaved() noexcept void Bank::ChangesMade() noexcept { return change_flag.store(1, std::memory_order_release); }
{ void Bank::ChangesSaved() noexcept { return change_flag.store(1, std::memory_order_release); }
return change_flag.store(1, std::memory_order_release); bool Bank::GetChangeState() noexcept { return 1; }
}
bool Bank::GetChangeState() noexcept
{
return change_flag.load(std::memory_order_acquire);
}
#endif #endif
int_fast8_t Bank::AddUser(const std::string &name, const std::string &init_pass) noexcept int_fast8_t Bank::AddUser(const std::string &name, const std::string &init_pass) noexcept
@ -26,14 +21,12 @@ int_fast8_t Bank::AddUser(const std::string &name, const std::string &init_pass)
return ErrorResponse::InvalidRequest; return ErrorResponse::InvalidRequest;
} }
{
std::shared_lock<std::shared_mutex> lock{size_l}; std::shared_lock<std::shared_mutex> lock{size_l};
return (users.try_emplace_l( return (users.try_emplace_l(
name, [](User &) {}, init_pass)) name, [](User &) {}, init_pass))
? true ? true
: ErrorResponse::UserAlreadyExists; : ErrorResponse::UserAlreadyExists;
} }
}
int_fast8_t Bank::AdminAddUser(const std::string &attempt, std::string &&name, uint32_t init_bal, std::string &&init_pass) noexcept int_fast8_t Bank::AdminAddUser(const std::string &attempt, std::string &&name, uint32_t init_bal, std::string &&init_pass) noexcept
{ {
if (name.size() > max_name_size) if (name.size() > max_name_size)
@ -253,6 +246,8 @@ Json::Value Bank::GetLogs(const std::string &name, const std::string &attempt) n
} }
void Bank::Save() void Bank::Save()
{
if (GetChangeState())
{ {
Json::Value temp; Json::Value temp;
@ -280,6 +275,7 @@ void Bank::Save()
user_save.close(); user_save.close();
} }
} }
}
//NOT THREAD SAFE, BY NO MEANS SHOULD THIS BE CALLED WHILE RECEIEVING REQUESTS //NOT THREAD SAFE, BY NO MEANS SHOULD THIS BE CALLED WHILE RECEIEVING REQUESTS
void Bank::Load() void Bank::Load()