Expose GC interval option

[khatus.git] / bin / khatus_bar

diff --git a/bin/khatus_bar b/bin/khatus_bar
index 0be6979..2c7ee32 100755 (executable)
--- a/bin/khatus_bar
+++ b/bin/khatus_bar
@@ -13,6 +13,7 @@ BEGIN {
      FS = msg_fs ? msg_fs : "|"
     OFS = msg_fs ? msg_fs : "|"
     Kfs = key_fs ? key_fs : ":"
+    GC_Interval = GC_Interval ? GC_Interval : 3600  # seconds
 
     _total_to_diff["khatus_sensor_net_addr_io", "bytes_read"     ] = 1
     _total_to_diff["khatus_sensor_net_addr_io", "bytes_written"  ] = 1
@@ -65,7 +66,7 @@ function cache_update(    src, key, val, len_line, len_head, len_val, time) {
     _cache[src, key] = val
     time = cache_get_time()
     _cache_mtime[src, key] = time
-    if (time % 3600 == 0) {
+    if (time % GC_Interval == 0) {
         cache_gc()
     }
 }
@@ -96,14 +97,18 @@ function cache_get_time(    src, key, time) {
     return time
 }
 
-function cache_gc(    src_and_key, unused_for) {
+function cache_gc(    src_and_key, parts, src, key, unused_for) {
     for (src_and_key in _cache) {
-        unused_for = cache_get_time() - _cache_atime[src_and_key]
-        if (unused_for > 3600) {
+        split(src_and_key, parts, SUBSEP)
+        src = parts[1]
+        key = parts[2]
+        unused_for = cache_get_time() - _cache_atime[src, key]
+        if (unused_for > GC_Interval) {
             print_msg_info(\
-                "cache_gc", "Deleting unused src_and_key: " src_and_key \
+                "cache_gc",
+                sprintf("Deleting unused data SRC=%s KEY=%s", src, key) \
             )
-            delete _cache[src_and_key]
+            delete _cache[src, key]
         }
     }
 }
@@ -199,9 +204,9 @@ function make_status_cpu(    l, t, f) {
 function make_status_disk(    u, w, r, src_u, src_io) {
     src_u  = "khatus_sensor_disk_space"
     src_io = "khatus_sensor_disk_io"
-    u = cache_get_fmt_def(src_u    , "disk_usage_percentage", 10, "%s")
-    w = cache_get_fmt_def(src_io   , "sectors_written"      ,  5, "%0.3f")
-    r = cache_get_fmt_def(src_io   , "sectors_read"         ,  5, "%0.3f")
+    u = cache_get_fmt_def(src_u , "disk_usage_percentage", 10, "%s")
+    w = cache_get_fmt_def(src_io, "sectors_written"      ,  5, "%0.3f")
+    r = cache_get_fmt_def(src_io, "sectors_read"         ,  5, "%0.3f")
     return sprintf("D=[%s%% %s▲ %s▼]", u, w, r)
 }