1 files changed, 101 insertions, 0 deletions
diff --git a/psutil/arch/osx/net.c b/psutil/arch/osx/net.c
new file mode 100644
index 00000000..e9cc61e9
--- /dev/null
+++ b/psutil/arch/osx/net.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+// Networks related functions. Original code was refactored and moved
+// from psutil/_psutil_osx.c in 2023. This is the GIT blame before the move:
+// https://github.com/giampaolo/psutil/blame/efd7ed3/psutil/_psutil_osx.c
+
+#include <Python.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <sys/sysctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+
+#include "../../_psutil_common.h"
+
+
+PyObject *
+psutil_net_io_counters(PyObject *self, PyObject *args) {
+    char *buf = NULL, *lim, *next;
+    struct if_msghdr *ifm;
+    int mib[6];
+    mib[0] = CTL_NET;          // networking subsystem
+    mib[1] = PF_ROUTE;         // type of information
+    mib[2] = 0;                // protocol (IPPROTO_xxx)
+    mib[3] = 0;                // address family
+    mib[4] = NET_RT_IFLIST2;   // operation
+    mib[5] = 0;
+    size_t len;
+    PyObject *py_ifc_info = NULL;
+    PyObject *py_retdict = PyDict_New();
+
+    if (py_retdict == NULL)
+        return NULL;
+
+    if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
+        PyErr_SetFromErrno(PyExc_OSError);
+        goto error;
+    }
+
+    buf = malloc(len);
+    if (buf == NULL) {
+        PyErr_NoMemory();
+        goto error;
+    }
+
+    if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+        PyErr_SetFromErrno(PyExc_OSError);
+        goto error;
+    }
+
+    lim = buf + len;
+
+    for (next = buf; next < lim; ) {
+        ifm = (struct if_msghdr *)next;
+        next += ifm->ifm_msglen;
+
+        if (ifm->ifm_type == RTM_IFINFO2) {
+            py_ifc_info = NULL;
+            struct if_msghdr2 *if2m = (struct if_msghdr2 *)ifm;
+            struct sockaddr_dl *sdl = (struct sockaddr_dl *)(if2m + 1);
+            char ifc_name[32];
+
+            strncpy(ifc_name, sdl->sdl_data, sdl->sdl_nlen);
+            ifc_name[sdl->sdl_nlen] = 0;
+
+            py_ifc_info = Py_BuildValue(
+                "(KKKKKKKi)",
+                if2m->ifm_data.ifi_obytes,
+                if2m->ifm_data.ifi_ibytes,
+                if2m->ifm_data.ifi_opackets,
+                if2m->ifm_data.ifi_ipackets,
+                if2m->ifm_data.ifi_ierrors,
+                if2m->ifm_data.ifi_oerrors,
+                if2m->ifm_data.ifi_iqdrops,
+                0);  // dropout not supported
+
+            if (!py_ifc_info)
+                goto error;
+            if (PyDict_SetItemString(py_retdict, ifc_name, py_ifc_info))
+                goto error;
+            Py_CLEAR(py_ifc_info);
+        }
+        else {
+            continue;
+        }
+    }
+
+    free(buf);
+    return py_retdict;
+
+error:
+    Py_XDECREF(py_ifc_info);
+    Py_DECREF(py_retdict);
+    if (buf != NULL)
+        free(buf);
+    return NULL;
+}