Merge branch 'thread-next' of gitlab.nic.cz:labs/bird into thread-next

client/util.c

@@ -17,7 +17,7 @@
 /* Client versions of logging functions */
 
 static void
-vlog(const char *msg, va_list args)
+vlog_cli(const char *msg, va_list args)
 {
   char buf[1024];
 
@@ -38,7 +38,7 @@ bug(const char *msg, ...)
   va_start(args, msg);
   cleanup();
   fputs("Internal error: ", stderr);
-  vlog(msg, args);
+  vlog_cli(msg, args);
   vfprintf(stderr, msg, args);
   va_end(args);
   exit(1);
@@ -51,7 +51,7 @@ die(const char *msg, ...)
 
   va_start(args, msg);
   cleanup();
-  vlog(msg, args);
+  vlog_cli(msg, args);
   va_end(args);
   exit(1);
 }

lib/birdlib.h

@@ -16,6 +16,8 @@
 #include "lib/alloca.h"
 #include "lib/macro.h"
 
+#include <stdarg.h>
+
 /* Ugly structure offset handling macros */
 
 #define SAME_TYPE(a, b)	({ int _ = ((a) != (b)); !_; })
@@ -211,6 +213,7 @@ void log_msg(const char *msg, ...);
 void log_rl(struct tbf *rl, const char *msg, ...);
 void die(const char *msg, ...) NORET;
 void bug(const char *msg, ...) NORET;
+void vlog(int class, const char *msg, va_list args);
 
 #define L_DEBUG "\001"			/* Debugging messages */
 #define L_TRACE "\002"			/* Protocol tracing */

lib/mempool.c

@@ -29,6 +29,7 @@ struct lp_chunk {
   struct lp_chunk *next;
   struct linpool *lp;
   uintptr_t data_align[0];
+  _Atomic u64 data_align_atomic[0];
   byte data[0];
 };
 

lib/printf.c

@@ -169,9 +169,9 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
 	int qualifier;		/* 'h' or 'l' for integer fields */
 
 	for (start=str=buf ; *fmt ; ++fmt, size-=(str-start), start=str) {
-		if (*fmt != '%') {
 		if (!size)
 			return -1;
+		if (*fmt != '%') {
 			*str++ = *fmt;
 			continue;
 		}
@@ -272,7 +272,7 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
 			len = strlen(s);
 			if (precision >= 0 && len > precision)
 				len = precision;
-			if (len > size)
+			if ((len > size) || (field_width > size))
 				return -1;
 
 			if (!(flags & LEFT))

lib/resource.c

@@ -373,7 +373,10 @@ tmp_flush(void)
 struct mblock {
   resource r;
   unsigned size;
-  uintptr_t data_align[0];
+  union {
+    uintptr_t bigint;
+    _Atomic u64 atom;
+  } _align[0];
   byte data[0];
 };
 

lib/slab.c

@@ -171,6 +171,8 @@ struct sl_head {
 struct sl_alignment {			/* Magic structure for testing of alignment */
   byte data;
   int x[0];
+  _Atomic u64 y[0];
+  void *z[0];
 };
 
 #define TLIST_PREFIX sl_head

nest/cli.c

@@ -117,9 +117,8 @@ cli_alloc_out(cli *c, int size)
  * macro instead.
  */
 void
-cli_printf(cli *c, int code, char *msg, ...)
+cli_vprintf(cli *c, int code, const char *msg, va_list args)
 {
-  va_list args;
   byte buf[CLI_LINE_SIZE];
   int cd = code;
   int errcode;
@@ -147,9 +146,7 @@ cli_printf(cli *c, int code, char *msg, ...)
     }
 
   c->last_reply = cd;
-  va_start(args, msg);
   cnt = bvsnprintf(buf+size, sizeof(buf)-size-1, msg, args);
-  va_end(args);
   if (cnt < 0)
     {
       cli_printf(c, errcode, "<line overflow>");

nest/cli.h

@@ -73,7 +73,15 @@ extern struct cli *this_cli;		/* Used during parsing */
 
 /* Functions to be called by command handlers */
 
-void cli_printf(cli *, int, char *, ...);
+void cli_vprintf(cli *, int, const char *, va_list);
+static inline void cli_printf(cli *cli, int code, const char *fmt, ...)
+{
+  va_list args;
+  va_start(args, fmt);
+  cli_vprintf(cli, code, fmt, args);
+  va_end(args);
+}
+
 #define cli_msg(x...) cli_printf(this_cli, x)
 void cli_set_timeformat(cli *c, const struct timeformat tf);
 

nest/proto.c

@@ -1334,6 +1334,7 @@ proto_new(struct proto_config *cf)
   p->proto = cf->protocol;
   p->proto_state = PS_DOWN_XX;
   p->last_state_change = current_time();
+  p->last_reconfiguration = current_time();
 
   p->net_type = cf->net_type;
   p->disabled = cf->disabled;
@@ -2183,15 +2184,18 @@ proto_restart_event_hook(void *_p)
   proto_rethink_goal(p);
 
   if (proto_restart)
-    if (current_time_now() - p->last_restart < p->restart_limit)
+  {
-      log(L_ERR "%s: too frequent restarts, disabling", p->name);
+    /* Store the last restart time */
-    else
+    p->last_restart = current_time();
+
+    /* Allow the protocol back again */
     p->disabled = 0;
 
     /* No need to call proto_rethink_goal() here again as the proto_cleanup() routine will
      * call it after the protocol stops ... and both these routines are fixed to main_birdloop.
      */
   }
+}
 
 static inline void
 proto_schedule_down(struct proto *p, byte restart, byte code)
@@ -2306,8 +2310,16 @@ channel_limit_down(struct limit *l, void *data)
 
   channel_activate_limit(c, l, dir);
 
+  bool restart = (c->limit_actions[dir] == PLA_RESTART);
+
+  if (restart && (current_time_now() - p->last_restart < p->restart_limit))
+  {
+    log(L_ERR "%s: too frequent restarts, disabling", p->name);
+    restart = false;
+  }
+
   if (p->proto_state == PS_UP)
-    proto_schedule_down(p, c->limit_actions[dir] == PLA_RESTART, chl_dir_down[dir]);
+    proto_schedule_down(p, restart, chl_dir_down[dir]);
 
   return 1;
 }
@@ -2619,8 +2631,10 @@ proto_cmd_show(struct proto *p, uintptr_t verbose, int cnt)
     p->proto->get_status(p, buf);
 
   rcu_read_lock();
-  tm_format_time(tbuf, this_cli->tf ?: &atomic_load_explicit(&global_runtime, memory_order_acquire)->tf_proto, p->last_state_change);
+  struct timeformat *tf = this_cli->tf ?: &atomic_load_explicit(&global_runtime, memory_order_acquire)->tf_proto;
   rcu_read_unlock();
+
+  tm_format_time(tbuf, tf, p->last_state_change);
   cli_msg(-1002, "%-10s %-10s %-10s %-6s %-12s  %s",
 	  p->name,
 	  p->proto->name,
@@ -2635,6 +2649,13 @@ proto_cmd_show(struct proto *p, uintptr_t verbose, int cnt)
       cli_msg(-1006, "  Description:        %s", p->cf->dsc);
     if (p->message)
       cli_msg(-1006, "  Message:            %s", p->message);
+    tm_format_time(tbuf, tf, p->last_reconfiguration);
+    cli_msg(-1006, "  Created:            %s", tbuf);
+    if (p->last_restart > p->last_reconfiguration)
+    {
+      tm_format_time(tbuf, tf, p->last_restart);
+      cli_msg(-1006, "  Last autorestart:   %s", tbuf);
+    }
     if (p->cf->router_id)
       cli_msg(-1006, "  Router ID:          %R", p->cf->router_id);
     if (p->vrf)

nest/protocol.h

@@ -170,6 +170,7 @@ struct proto {
   u32 hash_key;				/* Random key used for hashing of neighbors */
   btime last_state_change;		/* Time of last state transition */
   btime last_restart;			/* Time of last restart */
+  btime last_reconfiguration;		/* Time of last hard reconfiguration */
   btime restart_limit;			/* Minimum allowed time between limit restarts */
   char *last_state_name_announced;	/* Last state name we've announced to the user */
   char *message;			/* State-change message, allocated from proto_pool */

proto/mrt/mrt.c

@@ -632,7 +632,10 @@ static void
 mrt_table_dump_step(void *_s)
 {
   struct mrt_table_dump_state *s = _s;
-  struct bgp_write_state bws = { .as4_session = 1 };
+  struct bgp_write_state bws = {
+    .as4_session = 1,
+    .ignore_non_bgp_attrs = 1,
+  };
 
   s->max = 2048;
   s->bws = &bws;

sysdep/unix/log.c

@@ -337,7 +337,7 @@ log_prepare(log_buffer *buf, int class)
   buf->pos[LBP_MSG] = buf->buf.pos;
 }
 
-static void
+void
 vlog(int class, const char *msg, va_list args)
 {
   static _Thread_local log_buffer buf;