From f48c10f46eab1c11827516a0610f7cd71d74bdad Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Sun, 30 Jul 2017 14:15:15 -0400
Subject: Add tile create and access timestamps

---
 server.c | 6 ++++--
 torus.h  | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/server.c b/server.c
index 7b16f33..e96d3dd 100755
--- a/server.c
+++ b/server.c
@@ -18,6 +18,7 @@ exec cc -Wall -Wextra -pedantic $@ -o server $0
 #include <sys/time.h>
 #include <sys/un.h>
 #include <sysexits.h>
+#include <time.h>
 #include <unistd.h>
 
 #include "torus.h"
@@ -37,11 +38,12 @@ static void tilesMap(void) {
 
 static struct Tile *tileGet(uint32_t tileX, uint32_t tileY) {
     struct Tile *tile = &tiles[tileY * TILE_ROWS + tileX];
-    if (!tile->present) {
+    if (!tile->create) {
         memset(tile->cells, ' ', CELLS_SIZE);
         memset(tile->colors, COLOR_WHITE, CELLS_SIZE);
-        tile->present = true;
+        tile->create = time(NULL);
     }
+    tile->access = time(NULL);
     return tile;
 }
 
diff --git a/torus.h b/torus.h
index bb012f2..968c9f6 100644
--- a/torus.h
+++ b/torus.h
@@ -2,6 +2,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
+#include <time.h>
 
 #define ALIGNED(x) __attribute__((aligned(x)))
 
@@ -25,7 +26,8 @@ enum {
 #define CELL_INIT_Y (CELL_ROWS / 2)
 
 struct Tile {
-    bool present;
+    time_t create;
+    time_t access;
     char cells[CELL_ROWS][CELL_COLS] ALIGNED(16);
     uint8_t colors[CELL_ROWS][CELL_COLS] ALIGNED(16);
 } ALIGNED(4096);
-- 
cgit 1.4.1