irc-dev-cvs Mailing List for IRC-Dev ircd development (Page 2)

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Revision: 198
          http://irc-dev.svn.sourceforge.net/irc-dev/?rev=198&view=rev
Author:   zolty
Date:     2008-08-15 18:54:05 +0000 (Fri, 15 Aug 2008)

Log Message:
-----------
Soporte de RESTART/DIE diferido

Modified Paths:
--------------
    ircd/trunk/include/ircd.h
    ircd/trunk/include/send.h
    ircd/trunk/ircd/ddb.c
    ircd/trunk/ircd/engine_devpoll.c
    ircd/trunk/ircd/engine_epoll.c
    ircd/trunk/ircd/engine_kqueue.c
    ircd/trunk/ircd/engine_poll.c
    ircd/trunk/ircd/engine_select.c
    ircd/trunk/ircd/ircd.c
    ircd/trunk/ircd/ircd_signal.c
    ircd/trunk/ircd/m_die.c
    ircd/trunk/ircd/m_restart.c
    ircd/trunk/ircd/send.c

Modified: ircd/trunk/include/ircd.h
===================================================================

--- ircd/trunk/include/ircd.h	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/include/ircd.h	2008-08-15 18:54:05 UTC (rev 198)
@@ -45,6 +45,15 @@
   int          pid_fd;      /**< File descriptor for process id file. */
 };
 
+/** Describes pending exit. */
+struct PendingExit
+{
+  int          restart;     /**< Pending exit is for a restart. */
+  char*        who;         /**< Who initiated the exit. */
+  char*        message;     /**< Message to emit. */
+  time_t       time;        /**< Absolute time at which to exit. */
+};
+        
 /*
  * Macros
  */
@@ -61,13 +70,21 @@
 #define MAJOR_PROTOCOL  "10"    /**< Current protocol version. */
 #define BASE_VERSION    "u2.10" /**< Base name of IRC daemon version. */
 
+#define PEND_INT_LONG   300     /**< Length of long message interval. */
+#define PEND_INT_MEDIUM  60     /**< Length of medium message interval. */
+#define PEND_INT_SHORT   30     /**< Length of short message interval. */
+#define PEND_INT_END     10     /**< Length of the end message interval. */
+#define PEND_INT_LAST     1     /**< Length of last message interval. */
+
 /*
  * Proto types
  */
-extern void server_die(const char* message);
 extern void server_panic(const char* message);
-extern void server_restart(const char* message);
 
+extern void exit_cancel(struct Client *who);
+extern void exit_schedule(int restart, time_t when, struct Client *who,
+        const char *message);
+
 extern struct Client  me;
 extern time_t         CurrentTime;
 extern struct Client* GlobalClientList;

Modified: ircd/trunk/include/send.h
===================================================================
--- ircd/trunk/include/send.h	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/include/send.h	2008-08-15 18:54:05 UTC (rev 198)
@@ -139,4 +139,7 @@
                                       unsigned int mask, time_t *rate,
                                       const char *pattern, ...);
 
+/* Send server notice to all local users */
+extern void sendto_lusers(const char *pattern, ...);
+
 #endif /* INCLUDED_send_h */

Modified: ircd/trunk/ircd/ddb.c
===================================================================
--- ircd/trunk/ircd/ddb.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/ddb.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -244,6 +244,7 @@
   sendto_opmask(0, SNO_OLDSNO, "Lo: %d Hashtable_Lo: %d Hi: %d Hashtable_Hi %d",
         lo, ddb_hashtable_lo[table], hi, ddb_hashtable_hi[table]);
 
+#if 0
   if ((ddb_hashtable_hi[table] != hi) || (ddb_hashtable_lo[table] != lo))
   {
     struct DLink *lp;
@@ -266,6 +267,7 @@
     }
   }
   else
+#endif
   {
     ddb_db_hash_write(table);
 
@@ -744,7 +746,7 @@
     else if (IsServer(acptr))
       sendcmdto_one(&me, CMD_ERROR, acptr, ":Terminated by %s", exitmsg);
   }
-  server_die(exitmsg);
+  exit_schedule(0, 0, 0, exitmsg);
 }
 
 /** Finalizes the %DDB subsystem.

Modified: ircd/trunk/ircd/engine_devpoll.c
===================================================================
--- ircd/trunk/ircd/engine_devpoll.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/engine_devpoll.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -316,7 +316,7 @@
 	  timer_add(timer_init(&clear_error), error_clear, 0, TT_PERIODIC,
 		    ERROR_EXPIRE_TIME);
 	else if (errors > DEVPOLL_ERROR_THRESHOLD) /* too many errors... */
-	  server_restart("too many /dev/poll errors");
+	  exit_schedule(1, 0, 0, ""too many /dev/poll errors");
       }
       /* old code did a sleep(1) here; with usage these days,
        * that may be too expensive

Modified: ircd/trunk/ircd/engine_epoll.c
===================================================================
--- ircd/trunk/ircd/engine_epoll.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/engine_epoll.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -278,7 +278,7 @@
           timer_add(timer_init(&clear_error), error_clear, 0, TT_PERIODIC,
                     ERROR_EXPIRE_TIME);
         else if (errors > EPOLL_ERROR_THRESHOLD)
-          server_restart("too many epoll errors");
+          exit_schedule(1, 0, 0, "too many epoll errors");
       }
       continue;
     }

Modified: ircd/trunk/ircd/engine_kqueue.c
===================================================================
--- ircd/trunk/ircd/engine_kqueue.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/engine_kqueue.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -345,7 +345,7 @@
 	  timer_add(timer_init(&clear_error), error_clear, 0, TT_PERIODIC,
 		    ERROR_EXPIRE_TIME);
 	else if (errors > KQUEUE_ERROR_THRESHOLD) /* too many errors... */
-	  server_restart("too many kevent errors");
+	  exit_schedule(1, 0, 0, "too many kevent errors");
       }
       /* old code did a sleep(1) here; with usage these days,
        * that may be too expensive

Modified: ircd/trunk/ircd/engine_poll.c
===================================================================
--- ircd/trunk/ircd/engine_poll.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/engine_poll.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -303,7 +303,7 @@
 	  timer_add(timer_init(&clear_error), error_clear, 0, TT_PERIODIC,
 		    ERROR_EXPIRE_TIME);
 	else if (errors > POLL_ERROR_THRESHOLD) /* too many errors... */
-	  server_restart("too many poll errors");
+	  exit_schedule(1, 0, 0, "too many poll errors");
       }
       /* old code did a sleep(1) here; with usage these days,
        * that may be too expensive

Modified: ircd/trunk/ircd/engine_select.c
===================================================================
--- ircd/trunk/ircd/engine_select.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/engine_select.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -296,7 +296,7 @@
 	  timer_add(timer_init(&clear_error), error_clear, 0, TT_PERIODIC,
 		    ERROR_EXPIRE_TIME);
 	else if (errors > SELECT_ERROR_THRESHOLD) /* too many errors... */
-	  server_restart("too many select errors");
+	  exit_schedule(1, 0, 0, "too many select errors");
       }
       /* old code did a sleep(1) here; with usage these days,
        * that may be too expensive

Modified: ircd/trunk/ircd/ircd.c
===================================================================
--- ircd/trunk/ircd/ircd.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/ircd.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -40,6 +40,7 @@
 #include "ircd_log.h"
 #include "ircd_reply.h"
 #include "ircd_signal.h"
+#include "ircd_snprintf.h"
 #include "ircd_string.h"
 #include "jupe.h"
 #include "list.h"
@@ -121,6 +122,7 @@
 static struct Timer connect_timer; /**< timer structure for try_connections() */
 static struct Timer ping_timer; /**< timer structure for check_pings() */
 static struct Timer destruct_event_timer; /**< timer structure for exec_expired_destruct_events() */
+static struct Timer countdown_timer; /**< timer structure for exit_countdown() */
 
 /** Daemon information. */
 static struct Daemon thisServer  = { 0, 0, 0, 0, 0, 0, -1 };
@@ -129,83 +131,290 @@
 int running = 1;
 
 
-/*----------------------------------------------------------------------------
- * API: server_die
- *--------------------------------------------------------------------------*/
-/** Terminate the server with a message.
- * @param[in] message Message to log and send to operators.
+/**
+ * Perform a restart or die, sending and logging all necessary messages.
+ * @param[in] pe Pointer to structure describing pending exit.
  */
-void server_die(const char *message)
+static void pending_exit(struct PendingExit *pe)
 {
-  /* log_write will send out message to both log file and as server notice */
-  log_write(LS_SYSTEM, L_CRIT, 0, "Server terminating: %s", message);
+  static int looping = 0;
+  enum LogLevel level = pe->restart ? L_WARNING : L_CRIT;
+  const char *what = pe->restart ? "restarting" : "terminating";
+      
+  if (looping++) /* increment looping to prevent looping */
+    return;
+
+  if (pe->message) {
+    sendto_lusers("Server %s: %s", what, pe->message);
+    
+    if (pe->who) { /* write notice to log */
+      log_write(LS_SYSTEM, level, 0, "%s %s server: %s", pe->who, what,
+        pe->message);
+      sendcmdto_serv(&me, CMD_SQUIT, 0, "%s 0 :%s %s server: %s",
+             cli_name(&me), pe->who, what, pe->message);
+    } else {
+      log_write(LS_SYSTEM, level, 0, "Server %s: %s", what, pe->message);
+      sendcmdto_serv(&me, CMD_SQUIT, 0, "%s 0 :Server %s: %s",
+             cli_name(&me), what, pe->message);
+    }
+  } else { /* just notify of the restart/termination */
+      sendto_lusers("Server %s...", what);
+
+    if (pe->who) { /* write notice to log */
+      log_write(LS_SYSTEM, level, 0, "%s %s server...", pe->who, what);
+      sendcmdto_serv(&me, CMD_SQUIT, 0, "%s 0 :%s %s server...",
+             cli_name(&me), pe->who, what);
+    } else {
+      log_write(LS_SYSTEM, level, 0, "Server %s...", what);
+      sendcmdto_serv(&me, CMD_SQUIT, 0, "%s 0 :Server %s...",
+             cli_name(&me), what);
+    }
+  }
+                                                      
+  /* now let's perform the restart or exit */
   flush_connections(0);
-  close_connections(1);
-  running = 0;
-
+  
 #if defined(DDB)
   ddb_end();
 #endif
+    
+  log_close();
+  close_connections(!pe->restart ||
+            !(thisServer.bootopt & (BOOT_TTY | BOOT_DEBUG | BOOT_CHKCONF)));
+            
+  if (!pe->restart) { /* just set running = 0 */
+    running = 0;
+    return;
+  }
+
+  /* OK, so we're restarting... */
+  reap_children();
+    
+  execv(SPATH, thisServer.argv); /* restart the server */
+      
+  /* something failed; reopen the logs so we can complain */
+  log_reopen();
+          
+  log_write(LS_SYSTEM, L_CRIT,  0, "execv(%s,%s) failed: %m", SPATH,
+        *thisServer.argv);
+                  
+  Debug((DEBUG_FATAL, "Couldn't restart server \"%s\": %s", SPATH,
+     (strerror(errno)) ? strerror(errno) : ""));
+  exit(8);
 }
 
-/*----------------------------------------------------------------------------
- * API: server_panic
- *--------------------------------------------------------------------------*/
-/** Immediately terminate the server with a message.
- * @param[in] message Message to log, but not send to operators.
+/**
+ * Issue server notice warning about impending restart or die.
+ * @param[in] pe Pointer to structure describing pending exit.
+ * @param[in] until How long until the exit (approximately).
  */
-void server_panic(const char *message)
+static void countdown_notice(struct PendingExit *pe, time_t until)
 {
-  /* inhibit sending server notice--we may be panicking due to low memory */
-  log_write(LS_SYSTEM, L_CRIT, LOG_NOSNOTICE, "Server panic: %s", message);
-  flush_connections(0);
-  log_close();
-  close_connections(1);
-  exit(1);
+  const char *what = pe->restart ? "restarting" : "terminating";
+  const char *units;
+  
+  if (until >= 60) { /* measure in minutes */
+    until /= 60; /* so convert it to minutes */
+    units = (until == 1) ? "minute" : "minutes";
+  } else
+    units = (until == 1) ? "second" : "seconds";
+                
+  /* send the message */
+  if (pe->message)
+    sendto_lusers("Server %s in %d %s: %s", what, until, units, pe->message);
+  else
+    sendto_lusers("Server %s in %d %s...", what, until, units);
+}  
+
+static void exit_countdown(struct Event *ev);
+
+/**
+ * Performs a delayed pending exit, issuing server notices as appropriate.
+ * Reschedules exit_countdown() as needed.
+ * @param[in] ev Timer event.
+ */
+static void _exit_countdown(struct PendingExit *pe, int do_notice)
+{
+  time_t total, next, approx;
+  
+  if (CurrentTime >= pe->time) { /* time to do the exit */
+    pending_exit(pe);
+    return;
+  }
+  
+  /* OK, we need to figure out how long to the next message and approximate
+   * how long until the actual exit.
+   */
+  total = pe->time - CurrentTime; /* how long until exit */
+          
+#define t_adjust(interval, interval2)       \
+  do {                \
+    approx = next = total - (total % (interval));   \
+    if (next >= total - (interval2)) {        \
+      next -= (interval); /* have to adjust next... */    \
+      if (next < (interval)) /* slipped into next interval */ \
+        next = (interval) - (interval2);      \
+    } else /* have to adjust approx... */     \
+      approx += (interval);         \
+  } while (0)              
+  
+  if (total > PEND_INT_LONG) /* in the long interval regime */
+    t_adjust(PEND_INT_LONG, PEND_INT_MEDIUM);
+  else if (total > PEND_INT_MEDIUM) /* in the medium interval regime */
+    t_adjust(PEND_INT_MEDIUM, PEND_INT_SHORT);
+  else if (total > PEND_INT_SHORT) /* in the short interval regime */
+    t_adjust(PEND_INT_SHORT, PEND_INT_END);
+  else if (total > PEND_INT_END) /* in the end interval regime */
+    t_adjust(PEND_INT_END, PEND_INT_LAST);
+  else if (total > PEND_INT_LAST) /* in the last message interval */
+    t_adjust(PEND_INT_LAST, PEND_INT_LAST);
+  else { /* next event is to actually exit */
+    next = 0;
+    approx = PEND_INT_LAST;
+  }
+
+  /* convert next to an absolute timestamp */
+  next = pe->time - next;
+  assert(next > CurrentTime);
+
+  /* issue the warning notices... */
+  if (do_notice)
+    countdown_notice(pe, approx);
+        
+  /* reschedule the timer... */
+  timer_add(&countdown_timer, exit_countdown, pe, TT_ABSOLUTE, next);
 }
 
-/*----------------------------------------------------------------------------
- * API: server_restart
- *--------------------------------------------------------------------------*/
-/** Restart the server with a message.
- * @param[in] message Message to log and send to operators.
+/**
+ * Timer callback for _exit_countdown().
+ * @param[in] ev Timer event.
  */
-void server_restart(const char *message)
+static void exit_countdown(struct Event *ev)
 {
-  static int restarting = 0;
+  if (ev_type(ev) == ET_DESTROY)
+    return; /* do nothing with destroy events */
+      
+  assert(ET_EXPIRE == ev_type(ev));
+        
+  /* perform the event we were called to do */
+  _exit_countdown(t_data(&countdown_timer), 1);
+}
 
-  /* inhibit sending any server notices; we may be in a loop */
-  log_write(LS_SYSTEM, L_WARNING, LOG_NOSNOTICE, "Restarting Server: %s",
-	    message);
-  if (restarting++) /* increment restarting to prevent looping */
-    return;
+/**
+ * Cancel a pending exit.
+ * @param[in] who Client cancelling the impending exit.
+ */
+void exit_cancel(struct Client *who)
+{
+  const char *what;
+  struct PendingExit *pe;
 
-  sendto_opmask(0, SNO_OLDSNO, "Restarting server: %s", message);
-  Debug((DEBUG_NOTICE, "Restarting server..."));
-  flush_connections(0);
+  if (!t_onqueue(&countdown_timer))
+    return; /* it's not running... */
+      
+  pe = t_data(&countdown_timer); /* get the pending exit data */
+  timer_del(&countdown_timer); /* delete the timer */
 
-#if defined(DDB)
-  ddb_end();
-#endif
+  if (who) { /* explicitly issued cancellation */
+    /* issue a notice about the exit being canceled */
+    sendto_lusers("Server %s CANCELED",
+          what = (pe->restart ? "restart" : "termination"));
+          
+     /* log the cancellation */
+     if (IsUser(who))
+       log_write(LS_SYSTEM, L_NOTICE, 0, "Server %s CANCELED by %s!%s@%s", what,
+         cli_name(who), cli_user(who)->username, cli_sockhost(who));
+     else
+       log_write(LS_SYSTEM, L_NOTICE, 0, "Server %s CANCELED by %s", what,
+         cli_name(who));
+  }               
+  
+  /* release the pending exit structure */
+  if (pe->who)
+    MyFree(pe->who);
+  if (pe->message)
+    MyFree(pe->message);
+  MyFree(pe);
 
-  log_close();
+  /* Oh, and restore connections */
+  refuse = 0;
+}
 
-  close_connections(!(thisServer.bootopt & (BOOT_TTY | BOOT_DEBUG | BOOT_CHKCONF)));
+/**
+ * Schedule a pending exit.  Note that only real people issue delayed
+ * exits, so \a who should not be NULL if \a when is non-zero.
+ * @param[in] restart True if a restart is desired, false otherwise.
+ * @param[in] when Interval until the exit; 0 for immediate exit.
+ * @param[in] who Client issuing exit (or NULL).
+ * @param[in] message Message explaining exit.
+ */
+void exit_schedule(int restart, time_t when, struct Client *who,
+           const char *message)
+{
+  struct PendingExit *pe;
 
-  reap_children();
+  /* first, let's cancel any pending exit */
+  exit_cancel(0);
+    
+  /* now create a new pending exit */
+  pe = MyMalloc(sizeof(struct PendingExit));
+  pe->restart = restart;
+            
+  pe->time = when + CurrentTime; /* make time absolute */
+  if (who) { /* save who issued it... */
+    if (IsUser(who)) {
+      char nuhbuf[NICKLEN + USERLEN + HOSTLEN + 3];
+      ircd_snprintf(0, nuhbuf, sizeof(nuhbuf), "%s!%s@%s", cli_name(who),
+            cli_user(who)->username, cli_sockhost(who));
+      DupString(pe->who, nuhbuf);
+    } else
+      DupString(pe->who, cli_name(who));
+  } else
+    pe->who = 0;
+  if (message) /* also save the message */
+    DupString(pe->message, message);
+  else
+    pe->message = 0;
 
-  execv(SPATH, thisServer.argv);
+  /* let's refuse new connections... */
+  refuse = 1;
+    
+  if (!when) { /* do it right now? */
+    pending_exit(pe);
+    return;
+  }
 
-  /* Have to reopen since it has been closed above */
-  log_reopen();
+  assert(who); /* only people issue delayed exits */
+  
+  /* issue a countdown notice... */
+  countdown_notice(pe, when);
 
-  log_write(LS_SYSTEM, L_CRIT, 0, "execv(%s,%s) failed: %m", SPATH,
-	    *thisServer.argv);
-
-  Debug((DEBUG_FATAL, "Couldn't restart server \"%s\": %s",
-         SPATH, (strerror(errno)) ? strerror(errno) : ""));
-  exit(8);
+  /* log who issued the shutdown */
+  if (pe->message)
+    log_write(LS_SYSTEM, L_NOTICE, 0, "Delayed server %s issued by %s: %s",
+          restart ? "restart" : "termination", pe->who, pe->message);
+  else
+    log_write(LS_SYSTEM, L_NOTICE, 0, "Delayed server %s issued by %s...",
+          restart ? "restart" : "termination", pe->who);  
+  /* and schedule the timer */
+  _exit_countdown(pe, 0);
 }
+                          
+/*----------------------------------------------------------------------------
+ * API: server_panic
+ *--------------------------------------------------------------------------*/
+/** Immediately terminate the server with a message.
+ * @param[in] message Message to log, but not send to operators.
+ */
+void server_panic(const char *message)
+{
+  /* inhibit sending server notice--we may be panicking due to low memory */
+  log_write(LS_SYSTEM, L_CRIT, LOG_NOSNOTICE, "Server panic: %s", message);
+  flush_connections(0);
+  log_close();
+  close_connections(1);
+  exit(1);
+}
 
 
 /*----------------------------------------------------------------------------
@@ -214,7 +423,7 @@
 /** Handle out-of-memory condition. */
 static void outofmemory(void) {
   Debug((DEBUG_FATAL, "Out of memory: restarting server..."));
-  server_restart("Out of Memory");
+  exit_schedule(1, 0, 0, "Out of Memory");
 }
 
 
@@ -767,6 +976,7 @@
   timer_add(timer_init(&connect_timer), try_connections, 0, TT_RELATIVE, 1);
   timer_add(timer_init(&ping_timer), check_pings, 0, TT_RELATIVE, 1);
   timer_add(timer_init(&destruct_event_timer), exec_expired_destruct_events, 0, TT_PERIODIC, 60);
+  timer_init(&countdown_timer);
 
   CurrentTime = time(NULL);
 

Modified: ircd/trunk/ircd/ircd_signal.c
===================================================================
--- ircd/trunk/ircd/ircd_signal.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/ircd_signal.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -89,7 +89,7 @@
   assert(SIGTERM == sig_signal(ev_signal(ev)));
   assert(SIGTERM == ev_data(ev));
 
-  server_die("received signal SIGTERM");
+  exit_schedule(0, 0, 0, "Received signal SIGTERM");
 }
 
 /** Signal callback for SIGHUP.
@@ -116,7 +116,7 @@
   assert(SIGINT == sig_signal(ev_signal(ev)));
   assert(SIGINT == ev_data(ev));
 
-  server_restart("caught signal: SIGINT");
+  exit_schedule(1, 0, 0, "Received signal SIGINT");
 }
 
 /** Allocate a child callback record.

Modified: ircd/trunk/ircd/m_die.c
===================================================================
--- ircd/trunk/ircd/m_die.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/m_die.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -68,7 +68,7 @@
       sendcmdto_one(&me, CMD_ERROR, acptr, ":Terminated by %s",
 		    get_client_name(sptr, HIDE_IP));
   }
-  server_die("received DIE");
+  exit_schedule(0, 0, 0, "Received DIE");
 
   return 0;
 }

Modified: ircd/trunk/ircd/m_restart.c
===================================================================
--- ircd/trunk/ircd/m_restart.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/m_restart.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -52,7 +52,7 @@
     return send_reply(sptr, ERR_NOPRIVILEGES);
 
   log_write(LS_SYSTEM, L_NOTICE, 0, "Server RESTART by %#C", sptr);
-  server_restart("received RESTART");
+  exit_schedule(1, 0, 0, "Received RESTART");
 
   return 0;
 }

Modified: ircd/trunk/ircd/send.c
===================================================================
--- ircd/trunk/ircd/send.c	2008-08-15 18:11:20 UTC (rev 197)
+++ ircd/trunk/ircd/send.c	2008-08-15 18:54:05 UTC (rev 198)
@@ -895,3 +895,32 @@
 
   msgq_clean(mb);
 }
+
+/** Send a server notice to all local users on this server.
+ * @param[in] pattern Format string for server notice.
+ */
+void sendto_lusers(const char *pattern, ...)
+{
+  struct VarData vd;
+  struct Client *cptr;
+  struct MsgBuf *mb;
+  int i;
+
+  /* Build the message we're going to send... */
+  vd.vd_format = pattern;
+  va_start(vd.vd_args, pattern);
+  mb = msgq_make(0, ":%s " MSG_NOTICE " * :*** Notice -- %v", cli_name(&me),
+         &vd);
+  va_end(vd.vd_args);
+
+  /* send it along */
+  for (i = 0; i <= HighestFd; i++) {
+    if (!(cptr = LocalClientArray[i]) || !IsUser(cptr))
+      continue; /* skip empty slots... */
+              
+    send_buffer(cptr, mb, 1); /* send with high priority */
+  }
+
+  msgq_clean(mb); /* clean up after ourselves */
+}
+                                           
\ No newline at end of file


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