1 files changed, 32 insertions, 1 deletions
diff --git a/src/storage.cc b/src/storage.cc
index 4ad916b..ee2e7e7 100644
--- a/src/storage.cc
+++ b/src/storage.cc
@@ -1,8 +1,10 @@
 #include "storage.h"
 #include "definitions.h"
 #include <algorithm>
+#include <stdexcept>
 
-Storage::Storage(int delay) {
+Storage::Storage(int delay)
+{
 	this->data = new std::vector<std::array<signed int, LINE_SIZE>>;
 	this->delay = delay;
 	this->lower = nullptr;
@@ -18,3 +20,32 @@ Storage::view(int base, int lines) const
 	std::copy(this->data->begin() + base, this->data->begin() + base + lines, ret.begin());
 	return ret;
 }
+
+int
+Storage::preprocess(void *id)
+{
+	if (id == nullptr)
+		throw std::invalid_argument("Accessor cannot be nullptr.");
+
+	if (this->current_request == nullptr)
+		this->current_request = id;
+
+	return this->current_request == id;
+}
+
+int
+Storage::is_data_ready()
+{
+	int r;
+
+	r = 0;
+	if (this->wait_time == 0) {
+		this->current_request = nullptr;
+		this->wait_time = delay;
+		r = 1;
+	} else {
+		--this->wait_time;
+	}
+
+	return r;
+}