SunOS: support DiskIO

CMakeLists.txt

@@ -757,7 +757,7 @@ elseif(SunOS)
         src/detection/dns/dns_linux.c
         src/detection/physicaldisk/physicaldisk_nosupport.c
         src/detection/physicalmemory/physicalmemory_linux.c
-        src/detection/diskio/diskio_nosupport.c
+        src/detection/diskio/diskio_sunos.c
         src/detection/displayserver/linux/displayserver_linux.c
         src/detection/displayserver/linux/drm.c
         src/detection/displayserver/linux/wayland/wayland.c

src/detection/diskio/diskio_sunos.c

@@ -0,0 +1,39 @@
+#include "diskio.h"
+#include "util/stringUtils.h"
+#include <kstat.h>
+
+static inline void kstatFreeWrap(kstat_ctl_t** pkc)
+{
+    assert(pkc);
+    if (*pkc)
+        kstat_close(*pkc);
+}
+
+const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
+{
+    __attribute__((__cleanup__(kstatFreeWrap))) kstat_ctl_t* kc = kstat_open();
+    if (!kc)
+        return "kstat_open() failed";
+
+    for (kstat_t* ks = kc->kc_chain; ks; ks = ks->ks_next)
+    {
+        if (ks->ks_type != KSTAT_TYPE_IO || !ffStrEquals(ks->ks_class, "disk")) continue;
+
+        if (options->namePrefix.length && !ffStrStartsWith(ks->ks_name, options->namePrefix.chars))
+            continue;
+
+        kstat_io_t kio;
+        if (kstat_read(kc, ks, &kio) < 0)
+            continue;
+
+        FFDiskIOResult* device = (FFDiskIOResult*) ffListAdd(result);
+        ffStrbufInitS(&device->devPath, ks->ks_name);
+        device->bytesRead = kio.nread;
+        device->readCount = kio.reads;
+        device->bytesWritten = kio.nwritten;
+        device->writeCount = kio.writes;
+        ffStrbufInitS(&device->name, ks->ks_name);
+    }
+
+    return NULL;
+}