presence: Remove user.away, replaced by a metadata entry.

Cache the metadata retrieval value where feasible for minimal performance impact.

include/client.h

@@ -92,7 +92,6 @@ struct User
 {
 	rb_dlink_list channel;	/* chain of channel pointer blocks */
 	rb_dlink_list invited;	/* chain of invite pointer blocks */
-	char *away;		/* pointer to away message */
 	int refcnt;		/* Number of times this block is referenced */
 
 	char suser[NICKLEN+1];

modules/core/m_message.c

@@ -744,6 +744,7 @@ static void
 msg_client(int p_or_n, const char *command,
 	   struct Client *source_p, struct Client *target_p, const char *text)
 {
+	const char *awaymsg;
 	int do_floodcount = 0;
 
 	if(MyClient(source_p))
@@ -788,9 +789,9 @@ msg_client(int p_or_n, const char *command,
 		return;
 	}
 
-	if(MyConnect(source_p) && (p_or_n != NOTICE) && target_p->user && target_p->user->away)
+	if(MyConnect(source_p) && (p_or_n != NOTICE) && target_p->user && (awaymsg = get_metadata(target_p, "away")) != NULL)
 		sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY),
-				   target_p->name, target_p->user->away);
+				   target_p->name, awaymsg);
 
 	if(MyClient(target_p))
 	{

modules/m_away.c

@@ -78,7 +78,7 @@ m_away(struct Client *client_p, struct Client *source_p, int parc, const char *p
 	if(parc < 2 || EmptyString(parv[1]))
 	{
 		/* Marking as not away */
-		if(source_p->user->away != NULL)
+		if(get_metadata(source_p, "away") != NULL)
 		{
 			/* we now send this only if they were away before --is */
 			sendto_server(client_p, NULL, CAP_TS6, NOCAPS,
@@ -90,18 +90,10 @@ m_away(struct Client *client_p, struct Client *source_p, int parc, const char *p
 		return 0;
 	}
 
-
+	set_metadata(source_p, "away", parv[1]);
-	if(source_p->user->away == NULL)
+	sendto_server(client_p, NULL, CAP_TS6, NOCAPS, 
-	{
+		      ":%s AWAY :%s", use_id(source_p), parv[1]);
-		allocate_away(source_p);
-		rb_strlcpy(source_p->user->away, parv[1], AWAYLEN);
-		sendto_server(client_p, NULL, CAP_TS6, NOCAPS, 
-			      ":%s AWAY :%s", use_id(source_p), source_p->user->away);
 			
-	} else {
-		rb_strlcpy(source_p->user->away, parv[1], AWAYLEN);
-	}
-	
 	if(MyConnect(source_p))
 		sendto_one_numeric(source_p, RPL_NOWAWAY, form_str(RPL_NOWAWAY));
 

modules/m_invite.c

@@ -58,6 +58,7 @@ static void add_invite(struct Channel *, struct Client *);
 static int
 m_invite(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 {
+	const char *awaymsg;
 	struct Client *target_p;
 	struct Channel *chptr;
 	struct membership *msptr;
@@ -165,9 +166,9 @@ m_invite(struct Client *client_p, struct Client *source_p, int parc, const char
 		sendto_one(source_p, form_str(RPL_INVITING), 
 			   me.name, source_p->name,
 			   target_p->name, parv[2]);
-		if(target_p->user->away)
+		if((awaymsg = get_metadata(target_p, "away")) != NULL)
 			sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY),
-					   target_p->name, target_p->user->away);
+					   target_p->name, awaymsg);
 	}
 	/* invite timestamp */
 	else if(parc > 3 && !EmptyString(parv[3]))

modules/m_stats.c

@@ -704,7 +704,7 @@ stats_operedup (struct Client *source_p)
 		if(IsOperInvis(target_p) && !IsOper(source_p))
 			continue;
 
-		if(target_p->user->away)
+		if(get_metadata(target_p, "away"))
 			continue;
 
 		count++;
@@ -1137,7 +1137,6 @@ stats_memory (struct Client *source_p)
 	int conf_count = 0;	/* conf lines */
 	int users_invited_count = 0;	/* users invited */
 	int user_channels = 0;	/* users in channels */
-	int aways_counted = 0;
 	size_t number_servers_cached;	/* number of servers cached by scache */
 
 	size_t channel_memory = 0;
@@ -1146,7 +1145,6 @@ stats_memory (struct Client *source_p)
 	size_t channel_invex_memory = 0;
 	size_t channel_quiet_memory = 0;
 
-	size_t away_memory = 0;	/* memory used by aways */
 	size_t ww = 0;		/* whowas array count */
 	size_t wwm = 0;		/* whowas array memory used */
 	size_t conf_memory = 0;	/* memory used by conf lines */
@@ -1181,11 +1179,6 @@ stats_memory (struct Client *source_p)
 			users_counted++;
 			users_invited_count += rb_dlink_list_length(&target_p->user->invited);
 			user_channels += rb_dlink_list_length(&target_p->user->channel);
-			if(target_p->user->away)
-			{
-				aways_counted++;
-				away_memory += (strlen(target_p->user->away) + 1);
-			}
 		}
 	}
 
@@ -1246,10 +1239,9 @@ stats_memory (struct Client *source_p)
 			   (unsigned long) users_invited_count * sizeof(rb_dlink_node));
 
 	sendto_one_numeric(source_p, RPL_STATSDEBUG,
-			   "z :User channels %u(%lu) Aways %u(%d)",
+			   "z :User channels %u(%lu)",
 			   user_channels,
-			   (unsigned long) user_channels * sizeof(rb_dlink_node),
+			   (unsigned long) user_channels * sizeof(rb_dlink_node));
-			   aways_counted, (int) away_memory);
 
 	sendto_one_numeric(source_p, RPL_STATSDEBUG,
 			   "z :Attached confs %u(%lu)",

modules/m_userhost.c

@@ -84,7 +84,7 @@ m_userhost(struct Client *client_p, struct Client *source_p, int parc, const cha
 				rl = rb_sprintf(response, "%s%s=%c%s@%s ",
 						target_p->name,
 						IsOper(target_p) ? "*" : "",
-						(target_p->user->away) ? '-' : '+',
+						(get_metadata(target_p, "away") != NULL) ? '-' : '+',
 						target_p->username,
 						target_p->sockhost);
 			}
@@ -93,7 +93,7 @@ m_userhost(struct Client *client_p, struct Client *source_p, int parc, const cha
 				rl = rb_sprintf(response, "%s%s=%c%s@%s ",
 						target_p->name,
 						IsOper(target_p) ? "*" : "",
-						(target_p->user->away) ? '-' : '+',
+						(get_metadata(target_p, "away") != NULL) ? '-' : '+',
 						target_p->username, target_p->host);
 			}
 

modules/m_who.c

@@ -467,7 +467,7 @@ do_who(struct Client *source_p, struct Client *target_p, struct membership *mspt
 	const char *q;
 
 	rb_sprintf(status, "%c%s%s",
-		   target_p->user->away ? 'G' : 'H', IsOper(target_p) ? "*" : "", msptr ? find_channel_status(msptr, fmt->fields || IsCapable(source_p, CLICAP_MULTI_PREFIX)) : "");
+		   (get_metadata(target_p, "away") != NULL) ? 'G' : 'H', IsOper(target_p) ? "*" : "", msptr ? find_channel_status(msptr, fmt->fields || IsCapable(source_p, CLICAP_MULTI_PREFIX)) : "");
 
 	if (fmt->fields == 0)
 		sendto_one(source_p, form_str(RPL_WHOREPLY), me.name,

modules/m_whois.c

@@ -228,6 +228,7 @@ do_whois(struct Client *client_p, struct Client *source_p, int parc, const char
 static void
 single_whois(struct Client *source_p, struct Client *target_p, int operspy)
 {
+	const char *awaymsg;
 	char buf[BUFSIZE];
 	rb_dlink_node *ptr;
 	struct membership *msptr;
@@ -304,9 +305,9 @@ single_whois(struct Client *source_p, struct Client *target_p, int operspy)
 			   target_p->name, target_p->servptr->name,
 			   target_p->servptr->info);
 
-	if(target_p->user->away)
+	if((awaymsg = get_metadata(target_p, "away")) != NULL)
 		sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY),
-				   target_p->name, target_p->user->away);
+				   target_p->name, awaymsg);
 
 	if(IsOper(target_p))
 	{

src/client.c

@@ -1701,8 +1701,6 @@ free_user(struct User *user, struct Client *client_p)
 {
 	if(--user->refcnt <= 0)
 	{
-		if(user->away)
-			rb_free((char *) user->away);
 		/*
 		 * sanity check
 		 */

src/s_serv.c

@@ -474,6 +474,8 @@ burst_TS6(struct Client *client_p)
 
 	RB_DLINK_FOREACH(ptr, global_client_list.head)
 	{
+		const char *awaymsg = NULL;
+
 		target_p = ptr->data;
 
 		if(!IsPerson(target_p))
@@ -516,10 +518,10 @@ burst_TS6(struct Client *client_p)
 						use_id(target_p), target_p->user->suser);
 		}
 
-		if(ConfigFileEntry.burst_away && !EmptyString(target_p->user->away))
+		if(ConfigFileEntry.burst_away && (awaymsg = get_metadata(target_p, "away")) != NULL)
 			sendto_one(client_p, ":%s AWAY :%s",
 				   use_id(target_p),
-				   target_p->user->away);
+				   awaymsg);
 
 		hclientinfo.target = target_p;
 		call_hook(h_burst_client, &hclientinfo);