cache_filecache.cpp

File cache example

 
#include "cache/filecache.h"
#include "threads/thread.h"
 
#include <iostream>
 
int main(int argc, char** argv)
{
    CppCommon::FileCache cache;
 
    // Fill the file cache
    cache.insert("123", "123");
    cache.insert("456", "456", CppCommon::Timespan::milliseconds(100));
 
    std::pair<bool, std::string_view> result;
 
    // Get the memory cache values
    result = cache.find("123");
    if (result.first)
        std::cout << "Found: " << result.second << std::endl;
    result = cache.find("456");
    if (result.first)
        std::cout << "Found: " << result.second << std::endl;
 
    // Sleep for a while...
    CppCommon::Thread::SleepFor(CppCommon::Timespan::milliseconds(200));
 
    // Watchdog the memory cache to erase entries with timeout
    cache.watchdog();
 
    // Get the memory cache values
    result = cache.find("123");
    if (result.first)
        std::cout << "Found: " << result.second << std::endl;
    result = cache.find("456");
    if (result.first)
        std::cout << "Found: " << result.second << std::endl;
 
    return 0;
}