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authorshennetsind <shennetsind@54d463be-8e91-2dee-dedb-b68131a5f0ec>2012-10-31 20:17:38 +0000
committershennetsind <shennetsind@54d463be-8e91-2dee-dedb-b68131a5f0ec>2012-10-31 20:17:38 +0000
commita0fb6bc388fb1d4f0fcfd7d3d8af71a9c8cf86ca (patch)
tree7f8807e77b9e1b1da7cc0439241aabe5f362c45c
parente6d41bc71fcc2ddc2e9370f5325f67c07d347ccf (diff)
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Fixed bugreport:6779 dropped between-server ping timers, replaced by a much more reliable and performance-efficient on-demand flagging.
git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@16854 54d463be-8e91-2dee-dedb-b68131a5f0ec
-rw-r--r--src/char/char.c43
-rw-r--r--src/common/socket.c14
-rw-r--r--src/common/socket.h1
-rw-r--r--src/map/chrif.c24
4 files changed, 41 insertions, 41 deletions
diff --git a/src/char/char.c b/src/char/char.c
index 09d8dbcc6..d7f7749c4 100644
--- a/src/char/char.c
+++ b/src/char/char.c
@@ -2032,31 +2032,38 @@ void loginif_on_ready(void)
}
-int parse_fromlogin(int fd)
-{
+int parse_fromlogin(int fd) {
struct char_session_data* sd = NULL;
int i;
// only process data from the login-server
- if( fd != login_fd )
- {
+ if( fd != login_fd ) {
ShowDebug("parse_fromlogin: Disconnecting invalid session #%d (is not the login-server)\n", fd);
do_close(fd);
return 0;
}
- if( session[fd]->flag.eof )
- {
+ if( session[fd]->flag.eof ) {
do_close(fd);
login_fd = -1;
loginif_on_disconnect();
return 0;
+ } else if ( session[fd]->flag.ping ) {/* we've reached stall time */
+ if( DIFF_TICK(last_tick, session[fd]->rdata_tick) > (stall_time * 2) ) {/* we can't wait any longer */
+ set_eof(fd);
+ return 0;
+ } else if( session[fd]->flag.ping != 2 ) { /* we haven't sent ping out yet */
+ WFIFOHEAD(fd,2);// sends a ping packet to login server (will receive pong 0x2718)
+ WFIFOW(fd,0) = 0x2719;
+ WFIFOSET(fd,2);
+
+ session[fd]->flag.ping = 2;
+ }
}
sd = (struct char_session_data*)session[fd]->session_data;
- while(RFIFOREST(fd) >= 2)
- {
+ while(RFIFOREST(fd) >= 2) {
uint16 command = RFIFOW(fd,0);
switch( command )
@@ -2164,6 +2171,7 @@ int parse_fromlogin(int fd)
if (RFIFOREST(fd) < 2)
return 0;
RFIFOSKIP(fd,2);
+ session[fd]->flag.ping = 0;
break;
// changesex reply
@@ -2357,7 +2365,6 @@ int parse_fromlogin(int fd)
}
int check_connect_login_server(int tid, unsigned int tick, int id, intptr_t data);
-int ping_login_server(int tid, unsigned int tick, int id, intptr_t data);
int send_accounts_tologin(int tid, unsigned int tick, int id, intptr_t data);
void do_init_loginif(void)
@@ -2365,11 +2372,7 @@ void do_init_loginif(void)
// establish char-login connection if not present
add_timer_func_list(check_connect_login_server, "check_connect_login_server");
add_timer_interval(gettick() + 1000, check_connect_login_server, 0, 0, 10 * 1000);
-
- // keep the char-login connection alive
- add_timer_func_list(ping_login_server, "ping_login_server");
- add_timer_interval(gettick() + 1000, ping_login_server, 0, 0, ((int)stall_time-2) * 1000);
-
+
// send a list of all online account IDs to login server
add_timer_func_list(send_accounts_tologin, "send_accounts_tologin");
add_timer_interval(gettick() + 1000, send_accounts_tologin, 0, 0, 3600 * 1000); //Sync online accounts every hour
@@ -4299,18 +4302,6 @@ int check_connect_login_server(int tid, unsigned int tick, int id, intptr_t data
return 1;
}
-// sends a ping packet to login server (will receive pong 0x2718)
-int ping_login_server(int tid, unsigned int tick, int id, intptr_t data)
-{
- if (login_fd > 0 && session[login_fd] != NULL)
- {
- WFIFOHEAD(login_fd,2);
- WFIFOW(login_fd,0) = 0x2719;
- WFIFOSET(login_fd,2);
- }
- return 0;
-}
-
//------------------------------------------------
//Invoked 15 seconds after mapif_disconnectplayer in case the map server doesn't
//replies/disconnect the player we tried to kick. [Skotlex]
diff --git a/src/common/socket.c b/src/common/socket.c
index 3d7bb66b4..d24a9c1d8 100644
--- a/src/common/socket.c
+++ b/src/common/socket.c
@@ -797,8 +797,13 @@ int do_sockets(int next)
continue;
if (session[i]->rdata_tick && DIFF_TICK(last_tick, session[i]->rdata_tick) > stall_time) {
- ShowInfo("Session #%d timed out\n", i);
- set_eof(i);
+ if( session[i]->flag.server ) {/* server is special */
+ if( session[i]->flag.ping != 2 )/* only update if necessary otherwise it'd resend the ping unnecessarily */
+ session[i]->flag.ping = 1;
+ } else {
+ ShowInfo("Session #%d timed out\n", i);
+ set_eof(i);
+ }
}
session[i]->func_parse(i);
@@ -1073,8 +1078,11 @@ int socket_config_read(const char* cfgName)
if(sscanf(line, "%[^:]: %[^\r\n]", w1, w2) != 2)
continue;
- if (!strcmpi(w1, "stall_time"))
+ if (!strcmpi(w1, "stall_time")) {
stall_time = atoi(w2);
+ if( stall_time < 3 )
+ stall_time = 3;/* a minimum is required to refrain it from killing itself */
+ }
#ifndef MINICORE
else if (!strcmpi(w1, "enable_ip_rules")) {
ip_rules = config_switch(w2);
diff --git a/src/common/socket.h b/src/common/socket.h
index 3265f6487..7c0e02f5d 100644
--- a/src/common/socket.h
+++ b/src/common/socket.h
@@ -76,6 +76,7 @@ struct socket_data
struct {
unsigned char eof : 1;
unsigned char server : 1;
+ unsigned char ping : 2;
} flag;
uint32 client_addr; // remote client address
diff --git a/src/map/chrif.c b/src/map/chrif.c
index 44a74d83a..e07313855 100644
--- a/src/map/chrif.c
+++ b/src/map/chrif.c
@@ -1363,7 +1363,9 @@ void chrif_keepalive(int fd) {
WFIFOW(fd,0) = 0x2b23;
WFIFOSET(fd,2);
}
-
+void chrif_keepalive_ack(int fd) {
+ session[fd]->flag.ping = 0;/* reset ping state, we received a packet */
+}
/*==========================================
*
*------------------------------------------*/
@@ -1382,6 +1384,14 @@ int chrif_parse(int fd) {
char_fd = -1;
chrif_on_disconnect();
return 0;
+ } else if ( session[fd]->flag.ping ) {/* we've reached stall time */
+ if( DIFF_TICK(last_tick, session[fd]->rdata_tick) > (stall_time * 2) ) {/* we can't wait any longer */
+ set_eof(fd);
+ return 0;
+ } else if( session[fd]->flag.ping != 2 ) { /* we haven't sent ping out yet */
+ chrif_keepalive(fd);
+ session[fd]->flag.ping = 2;
+ }
}
while ( RFIFOREST(fd) >= 2 ) {
@@ -1428,7 +1438,7 @@ int chrif_parse(int fd) {
case 0x2b20: chrif_removemap(fd); break;
case 0x2b21: chrif_save_ack(fd); break;
case 0x2b22: chrif_updatefamelist_ack(fd); break;
- case 0x2b24: /* chrif_keepalive_ack(fd) */ break;
+ case 0x2b24: chrif_keepalive_ack(fd); break;
case 0x2b25: chrif_deadopt(RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10)); break;
case 0x2b27: chrif_authfail(fd); break;
default:
@@ -1443,12 +1453,6 @@ int chrif_parse(int fd) {
return 0;
}
-int ping_char_server(int tid, unsigned int tick, int id, intptr_t data) {
- chrif_check(-1);
- chrif_keepalive(char_fd);
- return 0;
-}
-
// unused
int send_usercount_tochar(int tid, unsigned int tick, int id, intptr_t data) {
chrif_check(-1);
@@ -1604,15 +1608,11 @@ int do_init_chrif(void) {
auth_db_ers = ers_new(sizeof(struct auth_node),"chrif.c::auth_db_ers",ERS_OPT_NONE);
add_timer_func_list(check_connect_char_server, "check_connect_char_server");
- add_timer_func_list(ping_char_server, "ping_char_server");
add_timer_func_list(auth_db_cleanup, "auth_db_cleanup");
// establish map-char connection if not present
add_timer_interval(gettick() + 1000, check_connect_char_server, 0, 0, 10 * 1000);
- // keep the map-char connection alive
- add_timer_interval(gettick() + 1000, ping_char_server, 0, 0, ((int)stall_time-2) * 1000);
-
// wipe stale data for timed-out client connection requests
add_timer_interval(gettick() + 1000, auth_db_cleanup, 0, 0, 30 * 1000);