- Rewrote the guild exp cache code to prevent overflows and to use the ers system.

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@5937 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 57 insertions, 40 deletions

diff --git a/src/map/guild.c b/src/map/guild.c
index f2be83844..da579300f 100644
--- a/src/map/guild.c
+++ b/src/map/guild.c
@@ -4,14 +4,17 @@
 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

+#include <limits.h>

+

+#include "../common/timer.h"

+#include "../common/nullpo.h"

+#include "../common/malloc.h"

+#include "../common/showmsg.h"

+#include "../common/ers.h"

 

 #include "map.h"

 #include "guild.h"

 #include "storage.h"

-#include "timer.h"

-#include "socket.h"

-#include "nullpo.h"

-#include "malloc.h"

 #include "battle.h"

 #include "npc.h"

 #include "pc.h"

@@ -20,7 +23,6 @@
 #include "intif.h"

 #include "clif.h"

 #include "skill.h"

-#include "showmsg.h"

 #include "log.h"

 

 static struct guild* guild_cache; //For fast retrieval of the same guild over and over. [Skotlex]

@@ -42,8 +44,10 @@ struct eventlist {
 

 // ギルドのEXPキャッシュ

 struct guild_expcache {

-	int guild_id, account_id, char_id, exp;

+	int guild_id, account_id, char_id;

+	unsigned int exp;

 };

+static struct eri *expcache_ers; //For handling of guild exp payment.

 

 struct{

 	int id;

@@ -200,7 +204,7 @@ void do_init_guild(void)
 {

 	guild_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));

 	castle_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));

-	guild_expcache_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));

+	guild_expcache_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_BASE,sizeof(int));

 	guild_infoevent_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_BASE,sizeof(int));

 	guild_castleinfoevent_db=db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_BASE,sizeof(int));

 

@@ -348,43 +352,36 @@ int guild_check_conflict(struct map_session_data *sd)
 // ギルドのEXPキャッシュをinter鯖にフラッシュする

 int guild_payexp_timer_sub(DBKey dataid, void *data, va_list ap)

 {

-	int i, *dellist, *delp;

+	int i;

 	struct guild_expcache *c;

 	struct guild *g;

-	double exp2;

 

 	c = (struct guild_expcache *)data;

-	dellist = va_arg(ap,int *);

-	delp = va_arg(ap,int *);

-

-	if (*delp >= GUILD_PAYEXP_LIST ||

+	

+	if (

 		(g = guild_search(c->guild_id)) == NULL ||

-		(i = guild_getindex(g, c->account_id, c->char_id)) < 0)

+		(i = guild_getindex(g, c->account_id, c->char_id)) < 0

+	) {

+		ers_free(expcache_ers, data);

 		return 0;

+	}

 

-	// It is *already* fixed... this would be more appropriate ^^; [celest]

-	exp2 = g->member[i].exp + c->exp;

-	g->member[i].exp = (exp2 > 0x7FFFFFFF) ? 0x7FFFFFFF : (int)exp2;

+	if (g->member[i].exp > INT_MAX - c->exp)

+		g->member[i].exp = INT_MAX;

+	else

+		g->member[i].exp+= c->exp;

 

-	//fixed a bug in exp overflow [Kevin]

-	//g->member[i].exp += c->exp;

-	//if(g->member[i].exp < 0)

-		//g->member[i].exp = 0x7FFFFFFF;

-	

 	intif_guild_change_memberinfo(g->guild_id,c->account_id,c->char_id,

 		GMI_EXP,&g->member[i].exp,sizeof(g->member[i].exp));

 	c->exp=0;

 

-	dellist[(*delp)++]=dataid.i;

+	ers_free(expcache_ers, data);

 	return 0;

 }

 

 int guild_payexp_timer(int tid, unsigned int tick, int id, int data)

 {

-	int dellist[GUILD_PAYEXP_LIST], delp = 0, i;

-	guild_expcache_db->foreach(guild_expcache_db, guild_payexp_timer_sub, dellist, &delp);

-	for (i = 0; i < delp; i++)

-		idb_remove(guild_expcache_db, dellist[i]);

+	guild_expcache_db->clear(guild_expcache_db,guild_payexp_timer_sub);

 	return 0;

 }

 

@@ -1116,18 +1113,22 @@ int guild_emblem_changed(int len,int guild_id,int emblem_id,const char *data)
 static void* create_expcache(DBKey key, va_list args) {

 	struct guild_expcache *c;

 	struct map_session_data *sd = va_arg(args, struct map_session_data*);

-	c = (struct guild_expcache *)aCallocA(1, sizeof(struct guild_expcache));

+

+	c = ers_alloc(expcache_ers, struct guild_expcache);

 	c->guild_id = sd->status.guild_id;

 	c->account_id = sd->status.account_id;

 	c->char_id = sd->status.char_id;

+	c->exp = 0;

 	return c;

 }

+

 // ギルドのEXP上納

-int guild_payexp(struct map_session_data *sd,int exp)

+unsigned int guild_payexp(struct map_session_data *sd,unsigned int exp)

 {

 	struct guild *g;

 	struct guild_expcache *c;

-	int per, exp2;

+	int per;

+	unsigned int exp2;

 	double tmp;

 	

 	nullpo_retr(0, sd);

@@ -1136,19 +1137,27 @@ int guild_payexp(struct map_session_data *sd,int exp)
 		(g = guild_search(sd->status.guild_id)) == NULL ||

 		(per = g->position[guild_getposition(sd,g)].exp_mode) <= 0)

 		return 0;

+	

 

 	if (per > 100) per = 100;

+	else

+	if (per < 1) return 0;

 

-	if ((exp2 = exp * per / 100) <= 0)

+	if ((tmp = exp * per / 100) <= 0)

 		return 0;

+	

+	exp2 = (unsigned int)tmp;

+	

+	if (battle_config.guild_exp_rate != 100)

+		tmp = tmp*battle_config.guild_exp_rate/100;

 

 	c = guild_expcache_db->ensure(guild_expcache_db, i2key(sd->status.char_id), create_expcache, sd);

-	tmp = c->exp;

-	if (battle_config.guild_exp_rate != 100)

-		tmp += battle_config.guild_exp_rate*exp2/100;

+

+	if (c->exp > UINT_MAX - (unsigned int)tmp)

+		c->exp = UINT_MAX;

 	else

-		tmp += exp2;

-	c->exp = (tmp > 0x7fffffff) ? 0x7fffffff : (int)tmp;

+		c->exp += (unsigned int)tmp;

+	

 	return exp2;

 }

 

@@ -1157,15 +1166,16 @@ int guild_getexp(struct map_session_data *sd,int exp)
 {

 	struct guild *g;

 	struct guild_expcache *c;

-	double tmp;

 	nullpo_retr(0, sd);

 

 	if (sd->status.guild_id == 0 || (g = guild_search(sd->status.guild_id)) == NULL)

 		return 0;

 

 	c = guild_expcache_db->ensure(guild_expcache_db, i2key(sd->status.char_id), create_expcache, sd);

-	tmp = c->exp + exp;

-	c->exp = (tmp > 0x7fffffff) ? 0x7fffffff : (int)tmp;

+	if (c->exp > UINT_MAX - exp)

+		c->exp = UINT_MAX;

+	else

+		c->exp += exp;

 	return exp;

 }

 

@@ -1975,11 +1985,18 @@ static int guild_infoevent_db_final(DBKey key,void *data,va_list ap)
 	aFree(data);

 	return 0;

 }

+

+static int guild_expcache_db_final(DBKey key,void *data,va_list ap)

+{

+	ers_free(expcache_ers, data);

+	return 0;

+}

+

 void do_final_guild(void)

 {

 	guild_db->destroy(guild_db,NULL);

 	castle_db->destroy(castle_db,NULL);

-	guild_expcache_db->destroy(guild_expcache_db,NULL);

+	guild_expcache_db->destroy(guild_expcache_db,guild_expcache_db_final);

 	guild_infoevent_db->destroy(guild_infoevent_db,guild_infoevent_db_final);

 	guild_castleinfoevent_db->destroy(guild_castleinfoevent_db,guild_infoevent_db_final);

 }