Since almost every UNIX system requires different techniques for reading

the kernel routing table as opposed to modifying it which is approximately
the same on non-netlink systems, I've split the kernel routing table
routines to read and write parts. To be implemented later ;-)

3 files changed, 77 insertions, 0 deletions

diff --git a/sysdep/linux/Modules b/sysdep/linux/Modules
index e69de29b..5562ab21 100644
--- a/sysdep/linux/Modules
+++ b/sysdep/linux/Modules
@@ -0,0 +1,2 @@
+krt-scan.c
+krt-scan.h
diff --git a/sysdep/linux/krt-scan.c b/sysdep/linux/krt-scan.c
new file mode 100644
index 00000000..caae54dd
--- /dev/null
+++ b/sysdep/linux/krt-scan.c
@@ -0,0 +1,58 @@
+/*
+ *	BIRD -- Linux Routing Table Scanning
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <string.h>
+
+#define LOCAL_DEBUG
+
+#include "nest/bird.h"
+#include "nest/iface.h"
+#include "nest/route.h"
+#include "nest/protocol.h"
+#include "lib/timer.h"
+#include "lib/unix.h"
+#include "lib/krt.h"
+
+#define SCANOPT struct krt_scan_params *p = &x->scanopt
+
+static void
+krt_scan_fire(timer *t)
+{
+  DBG("Scanning kernel table...\n");
+}
+
+void
+krt_scan_preconfig(struct krt_proto *x)
+{
+  SCANOPT;
+
+  p->recurrence = 10;			/* FIXME: use reasonable default value */
+}
+
+void
+krt_scan_start(struct krt_proto *x)
+{
+  SCANOPT;
+  timer *t = tm_new(x->p.pool);
+
+  p->timer = t;
+  t->hook = krt_scan_fire;
+  t->data = x;
+  t->recurrent = p->recurrence;
+  krt_scan_fire(t);
+  if (t->recurrent)
+    tm_start(t, t->recurrent);
+}
+
+void
+krt_scan_shutdown(struct krt_proto *x)
+{
+  SCANOPT;
+
+  tm_stop(p->timer);
+}
diff --git a/sysdep/linux/krt-scan.h b/sysdep/linux/krt-scan.h
new file mode 100644
index 00000000..1ea1ca72
--- /dev/null
+++ b/sysdep/linux/krt-scan.h
@@ -0,0 +1,17 @@
+/*
+ *	BIRD -- Linux Kernel Route Syncer -- Scanning Parameters
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_KRT_SCAN_H_
+#define _BIRD_KRT_SCAN_H_
+
+struct krt_scan_params {
+  int recurrence;			/* How often should we scan krt, 0=only on startup */
+  struct timer *timer;
+};
+
+#endif