1 files changed, 50 insertions, 0 deletions
diff --git a/src/detection/diskio/diskio_nbsd.c b/src/detection/diskio/diskio_nbsd.c
new file mode 100644
index 0000000..9ca9578
--- /dev/null
+++ b/src/detection/diskio/diskio_nbsd.c
@@ -0,0 +1,50 @@
+#include "diskio.h"
+#include "common/io.h"
+#include "common/strutil.h"
+#include "common/mallocHelper.h"
+
+#include <sys/iostat.h>
+#include <sys/sysctl.h>
+
+const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options) {
+    int mib[] = { CTL_HW, HW_IOSTATS, sizeof(struct io_sysctl) };
+    size_t len;
+    if (sysctl(mib, ARRAY_SIZE(mib), NULL, &len, NULL, 0) < 0) {
+        return "sysctl({HW_IOSTATS}, NULL) failed";
+    }
+    uint32_t nDrive = (uint32_t) (len / sizeof(struct io_sysctl));
+
+    FF_AUTO_FREE struct io_sysctl* stats = malloc(len);
+
+    if (sysctl(mib, ARRAY_SIZE(mib), stats, &len, NULL, 0) < 0) {
+        return "sysctl({HW_IOSTATS}, stats) failed";
+    }
+
+    char path[64] = "/dev/";
+
+    for (uint32_t i = 0; i < nDrive; ++i) {
+        struct io_sysctl* st = &stats[i];
+
+        if (options->namePrefix.length && strncmp(st->name, options->namePrefix.chars, options->namePrefix.length) != 0) {
+            continue;
+        }
+
+        // Skip partitions
+        char* end = ffStrCopy(&path[5], st->name, ARRAY_SIZE(path) - 8);
+        *end++ = 'c';
+        *end = '\0';
+        if (!ffPathExists(path, FF_PATHTYPE_ANY)) {
+            continue;
+        }
+
+        FFDiskIOResult* device = FF_LIST_ADD(FFDiskIOResult, *result);
+        ffStrbufInitNS(&device->devPath, (uint32_t) (end - path), path);
+        ffStrbufInitS(&device->name, st->name);
+        device->bytesRead = st->rbytes;
+        device->readCount = st->rxfer;
+        device->bytesWritten = st->wbytes;
+        device->writeCount = st->wxfer;
+    }
+
+    return NULL;
+}