Martin Michelsen
35 lines
950 B
C++
35 lines
950 B
C++
#include "FileContentsCache.hh"
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <phosg/Filesystem.hh>
|
|
#include <phosg/Time.hh>
|
|
|
|
using namespace std;
|
|
|
|
|
|
FileContentsCache::File::File(const string& name, shared_ptr<const string> contents,
|
|
uint64_t load_time) : name(name), contents(contents), load_time(load_time) { }
|
|
|
|
shared_ptr<const string> FileContentsCache::get(const std::string& name) {
|
|
|
|
uint64_t t = now();
|
|
try {
|
|
auto& entry = this->name_to_file.at(name);
|
|
if (t - entry.load_time < 300000000) { // not 5 minutes old? return it
|
|
return entry.contents;
|
|
}
|
|
} catch (const out_of_range& e) { }
|
|
|
|
shared_ptr<const string> contents(new string(load_file(name)));
|
|
this->name_to_file.erase(name);
|
|
this->name_to_file.emplace(piecewise_construct, forward_as_tuple(name),
|
|
forward_as_tuple(name, contents, t));
|
|
|
|
return contents;
|
|
}
|
|
|
|
shared_ptr<const string> FileContentsCache::get(const char* name) {
|
|
return this->get(string(name));
|
|
}
|