From 0432c0173bb4d234e8ba8e4afea0a8e708e119d8 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sun, 18 Oct 1998 11:53:21 +0000
Subject: [PATCH] Split protocol init to building of protocol list and real
 protocol init. Added kernel route table syncer skeleton.

---
 nest/proto.c          | 11 +++++---
 nest/protocol.h       |  1 +
 nest/route.h          |  1 +
 sysdep/unix/Modules   |  1 +
 sysdep/unix/main.c    |  2 ++
 sysdep/unix/sync-if.c |  1 -
 sysdep/unix/sync-rt.c | 62 +++++++++++++++++++++++++++++++++++++++++++
 sysdep/unix/unix.h    |  4 +++
 8 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 sysdep/unix/sync-rt.c

diff --git a/nest/proto.c b/nest/proto.c
index 6db5a0ef..6c0843d8 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -106,15 +106,20 @@ protos_dump_all(void)
     debug("  inactive %s\n", p->name);
 }
 
+void
+protos_build(void)
+{
+  init_list(&protocol_list);
+  add_tail(&protocol_list, &proto_device.n);
+  add_tail(&protocol_list, &proto_rip.n);
+}
+
 void
 protos_init(void)
 {
   struct protocol *p;
 
   debug("Initializing protocols\n");
-  init_list(&protocol_list);
-  add_tail(&protocol_list, &proto_device.n);
-  add_tail(&protocol_list, &proto_rip.n); /* HACK: We should really read this from config */
   WALK_LIST(p, protocol_list)
     p->init(p);
 }
diff --git a/nest/protocol.h b/nest/protocol.h
index 6059f7c2..9a0ea98d 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -32,6 +32,7 @@ struct protocol {
   void (*postconfig)(struct protocol *); /* After configuring */
 };
 
+void protos_build(void);
 void protos_init(void);
 void protos_preconfig(void);
 void protos_postconfig(void);
diff --git a/nest/route.h b/nest/route.h
index e50de07d..78f9446a 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -248,6 +248,7 @@ void rta_dump_all(void);
 #define DEF_PREF_BGP		100	/* BGP */
 #define DEF_PREF_OSPF_EXTERNAL	80	/* OSPF external routes */
 #define DEF_PREF_RIP_EXTERNAL	70	/* RIP external routes */
+#define DEF_PREF_UKR		50	/* Unidentified Kernel Route */
 #define DEF_PREF_SINK		10	/* Sink route */
 
 #endif
diff --git a/sysdep/unix/Modules b/sysdep/unix/Modules
index 0b5117a5..f3e68e82 100644
--- a/sysdep/unix/Modules
+++ b/sysdep/unix/Modules
@@ -4,3 +4,4 @@ timer.h
 io.c
 unix.h
 sync-if.c
+sync-rt.c
diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
index b57e94e5..a6c47487 100644
--- a/sysdep/unix/main.c
+++ b/sysdep/unix/main.c
@@ -76,6 +76,8 @@ main(void)
   io_init();
   rt_init();
   if_init();
+  protos_build();
+  add_tail(&protocol_list, &proto_unix_kernel.n); /* FIXME: Must be _always_ the last one */
   protos_init();
   protos_preconfig();
   protos_postconfig();
diff --git a/sysdep/unix/sync-if.c b/sysdep/unix/sync-if.c
index 4478c104..44392560 100644
--- a/sysdep/unix/sync-if.c
+++ b/sysdep/unix/sync-if.c
@@ -180,4 +180,3 @@ scan_if_init(void)
   if_scan_timer->recurrent = if_scan_period;
   tm_start(if_scan_timer, if_scan_period);
 }
-
diff --git a/sysdep/unix/sync-rt.c b/sysdep/unix/sync-rt.c
new file mode 100644
index 00000000..c1bf7f76
--- /dev/null
+++ b/sysdep/unix/sync-rt.c
@@ -0,0 +1,62 @@
+/*
+ *	BIRD -- Unix Routing Table Scanning and Syncing
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <errno.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 "unix.h"
+
+void
+uk_rt_notify(struct proto *p, net *net, rte *new, rte *old)
+{
+}
+
+void
+uk_start(struct proto *p)
+{
+}
+
+void
+uk_init(struct protocol *x)
+{
+}
+
+void
+uk_preconfig(struct protocol *x)
+{
+  struct proto *p = proto_new(&proto_unix_kernel, sizeof(struct proto));
+
+  p->preference = DEF_PREF_UKR;
+  p->rt_notify = uk_rt_notify;
+  p->start = uk_start;
+}
+
+void
+uk_postconfig(struct protocol *x)
+{
+}
+
+struct protocol proto_unix_kernel = {
+  { NULL, NULL },
+  "kernel",
+  0,
+  uk_init,
+  uk_preconfig,
+  uk_postconfig
+};
diff --git a/sysdep/unix/unix.h b/sysdep/unix/unix.h
index 127101e7..7b0a921e 100644
--- a/sysdep/unix/unix.h
+++ b/sysdep/unix/unix.h
@@ -22,4 +22,8 @@ extern int if_scan_period;
 
 void scan_if_init(void);
 
+/* sync-rt.c */
+
+extern struct protocol proto_unix_kernel;
+
 #endif