1 files changed, 100 insertions, 0 deletions
diff --git a/zfs/ZfsArcMeter.c b/zfs/ZfsArcMeter.c
new file mode 100644
index 0000000..32f5bb3
--- /dev/null
+++ b/zfs/ZfsArcMeter.c
@@ -0,0 +1,100 @@
+/*
+htop - ZfsArcMeter.c
+(C) 2004-2011 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "zfs/ZfsArcMeter.h"
+
+#include <stddef.h>
+
+#include "CRT.h"
+#include "Object.h"
+#include "Platform.h"
+#include "RichString.h"
+
+#include "zfs/ZfsArcStats.h"
+
+
+static const int ZfsArcMeter_attributes[] = {
+   ZFS_MFU, ZFS_MRU, ZFS_ANON, ZFS_HEADER, ZFS_OTHER
+};
+
+void ZfsArcMeter_readStats(Meter* this, const ZfsArcStats* stats) {
+   this->total = stats->max;
+   this->values[0] = stats->MFU;
+   this->values[1] = stats->MRU;
+   this->values[2] = stats->anon;
+   this->values[3] = stats->header;
+   this->values[4] = stats->other;
+
+   // "Hide" the last value so it can
+   // only be accessed by index and is not
+   // displayed by the Bar or Graph style
+   this->curItems = 5;
+   this->values[5] = stats->size;
+}
+
+static void ZfsArcMeter_updateValues(Meter* this) {
+   char* buffer = this->txtBuffer;
+   size_t size = sizeof(this->txtBuffer);
+   int written;
+   Platform_setZfsArcValues(this);
+
+   written = Meter_humanUnit(buffer, this->values[5], size);
+   METER_BUFFER_CHECK(buffer, size, written);
+
+   METER_BUFFER_APPEND_CHR(buffer, size, '/');
+
+   Meter_humanUnit(buffer, this->total, size);
+}
+
+static void ZfsArcMeter_display(const Object* cast, RichString* out) {
+   const Meter* this = (const Meter*)cast;
+
+   if (this->values[5] > 0) {
+      char buffer[50];
+      Meter_humanUnit(buffer, this->total, sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
+      Meter_humanUnit(buffer, this->values[5], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " Used:");
+      RichString_appendAscii(out, CRT_colors[METER_VALUE], buffer);
+      Meter_humanUnit(buffer, this->values[0], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " MFU:");
+      RichString_appendAscii(out, CRT_colors[ZFS_MFU], buffer);
+      Meter_humanUnit(buffer, this->values[1], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " MRU:");
+      RichString_appendAscii(out, CRT_colors[ZFS_MRU], buffer);
+      Meter_humanUnit(buffer, this->values[2], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " Anon:");
+      RichString_appendAscii(out, CRT_colors[ZFS_ANON], buffer);
+      Meter_humanUnit(buffer, this->values[3], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " Hdr:");
+      RichString_appendAscii(out, CRT_colors[ZFS_HEADER], buffer);
+      Meter_humanUnit(buffer, this->values[4], sizeof(buffer));
+      RichString_appendAscii(out, CRT_colors[METER_TEXT], " Oth:");
+      RichString_appendAscii(out, CRT_colors[ZFS_OTHER], buffer);
+   } else {
+      RichString_writeAscii(out, CRT_colors[METER_TEXT], " ");
+      RichString_appendAscii(out, CRT_colors[FAILED_READ], "Unavailable");
+   }
+}
+
+const MeterClass ZfsArcMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = ZfsArcMeter_display,
+   },
+   .updateValues = ZfsArcMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 6,
+   .total = 100.0,
+   .attributes = ZfsArcMeter_attributes,
+   .name = "ZFSARC",
+   .uiName = "ZFS ARC",
+   .caption = "ARC: "
+};