MirrorHub/construct
0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2024-11-25 08:12:37 +01:00
Code Issues Releases Wiki Activity

[svn] - use a hashtable for fdlist storage. first step to making the amount of allowed clients dynamic and removing MAXCONNECTIONS.

Browse source
This commit is contained in:
nenolod 2007-03-05 09:23:07 -08:00
parent 14e23b0e1e
commit e70f8e928e
10 changed files with 138 additions and 52 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
ChangeLog
View file

@ -1,3 +1,15 @@
jilles 2007/03/05 01:14:46 UTC (20070305-3227)
Log:
Fix some cases where the size argument to strlcpy()
for usernames and hostnames is 1 too small.
Changes: Modified:
+1 -1 trunk/modules/m_chghost.c (File Modified)
+2 -2 trunk/src/res.c (File Modified)
+2 -2 trunk/src/s_user.c (File Modified)
jilles 2007/03/04 23:42:55 UTC (20070304-3225)
Log:
Cut down quit/part/kick reasons to avoid quit reasons

2
include/serno.h
View file

@ -1 +1 @@
#define SERNO "20070304-3225"
#define SERNO "20070305-3227"

125
libcharybdis/commio.c
View file

@ -21,7 +21,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: commio.c 1779 2006-07-30 16:36:39Z jilles $
* $Id: commio.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "libcharybdis.h"
@ -43,7 +43,8 @@ static const char *comm_err_str[] = { "Comm OK", "Error during bind()",
"Comm Error"
};
fde_t *fd_table = NULL;
#define FD_HASH_SIZE 128
static dlink_list fd_table[FD_HASH_SIZE];
static void fdlist_update_biggest(int fd, int opening);
@ -56,9 +57,60 @@ static PF comm_connect_timeout;
static void comm_connect_dns_callback(void *vptr, struct DNSReply *reply);
static PF comm_connect_tryconnect;
inline fde_t *
comm_locate_fd(int fd)
{
int bucket = fd % FD_HASH_SIZE;
dlink_list *list = &fd_table[bucket];
dlink_node *n;
DLINK_FOREACH(n, list->head)
{
fde_t *F = (fde_t *) n->data;
if (F->fd == fd)
return F;
}
return NULL;
}
inline fde_t *
comm_add_fd(int fd)
{
fde_t *F = comm_locate_fd(fd);
dlink_list *list;
if (F != NULL)
return F;
F = calloc(sizeof(fde_t), 1);
F->fd = fd;
list = &fd_table[fd % FD_HASH_SIZE];
dlinkAdd(F, &F->node, list);
return F;
}
inline void
comm_remove_fd(int fd)
{
int bucket = fd % FD_HASH_SIZE;
fde_t *F;
dlink_list *list = &fd_table[bucket];
F = comm_locate_fd(fd);
if (F == NULL)
return;
dlinkDelete(&F->node, list);
MyFree(F);
}
/* 32bit solaris is kinda slow and stdio only supports fds < 256
* so we got to do this crap below.
* (BTW Fuck you Sun, I hate your guts and I hope you go bankrupt soon)
* XXX: this is no longer needed in Solaris 10. --nenolod
*/
#if defined (__SVR4) && defined (__sun)
static void comm_fd_hack(int *fd)
@ -93,7 +145,9 @@ comm_close_all(void)
for (i = 4; i < MAXCONNECTIONS; ++i)
{
if(fd_table[i].flags.open)
fde_t *F = comm_locate_fd(i);
if(F != NULL && F->flags.open)
comm_close(i);
else
close(i);
@ -168,13 +222,16 @@ comm_set_nb(int fd)
{
int nonb = 0;
int res;
fde_t *F = comm_locate_fd(fd);
nonb |= O_NONBLOCK;
res = fcntl(fd, F_GETFL, 0);
if(-1 == res || fcntl(fd, F_SETFL, res | nonb) == -1)
return 0;
fd_table[fd].flags.nonblocking = 1;
if (F != NULL)
F->flags.nonblocking = 1;
return 1;
}
@ -217,7 +274,7 @@ comm_settimeout(int fd, time_t timeout, PF * callback, void *cbdata)
{
fde_t *F;
s_assert(fd >= 0);
F = &fd_table[fd];
F = comm_locate_fd(fd);
s_assert(F->flags.open);
F->timeout = CurrentTime + (timeout / 1000);
@ -241,7 +298,7 @@ comm_setflush(int fd, time_t timeout, PF * callback, void *cbdata)
{
fde_t *F;
s_assert(fd >= 0);
F = &fd_table[fd];
F = comm_locate_fd(fd);
s_assert(F->flags.open);
F->flush_timeout = CurrentTime + (timeout / 1000);
@ -266,7 +323,9 @@ comm_checktimeouts(void *notused)
fde_t *F;
for (fd = 0; fd <= highest_fd; fd++)
{
F = &fd_table[fd];
F = comm_locate_fd(fd);
if(F == NULL)
continue;
if(!F->flags.open)
continue;
if(F->flags.closing)
@ -316,7 +375,7 @@ comm_connect_tcp(int fd, const char *host, u_short port,
void *ipptr = NULL;
fde_t *F;
s_assert(fd >= 0);
F = &fd_table[fd];
F = comm_locate_fd(fd);
F->flags.called_connect = 1;
s_assert(callback);
F->connect.callback = callback;
@ -388,10 +447,12 @@ static void
comm_connect_callback(int fd, int status)
{
CNCB *hdl;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
/* This check is gross..but probably necessary */
if(F->connect.callback == NULL)
if(F == NULL || F->connect.callback == NULL)
return;
/* Clear the connect flag + handler */
hdl = F->connect.callback;
F->connect.callback = NULL;
@ -473,13 +534,13 @@ static void
comm_connect_tryconnect(int fd, void *notused)
{
int retval;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
if(F->connect.callback == NULL)
return;
/* Try the connect() */
retval = connect(fd, (struct sockaddr *) &fd_table[fd].connect.hostaddr,
GET_SS_LEN(fd_table[fd].connect.hostaddr));
retval = connect(fd, (struct sockaddr *) &F->connect.hostaddr,
GET_SS_LEN(F->connect.hostaddr));
/* Error? */
if(retval < 0)
{
@ -667,7 +728,7 @@ fdlist_update_biggest(int fd, int opening)
* re-opening it
*/
s_assert(!opening);
while (highest_fd >= 0 && !fd_table[highest_fd].flags.open)
while (highest_fd >= 0 && comm_locate_fd(fd)->flags.open) /* XXX */
highest_fd--;
}
@ -679,8 +740,7 @@ fdlist_init(void)
if(!initialized)
{
/* Since we're doing this once .. */
fd_table = MyMalloc((MAXCONNECTIONS + 1) * sizeof(fde_t));
memset(&fd_table, '\0', sizeof(dlink_list) * FD_HASH_SIZE);
initialized = 1;
}
}
@ -689,7 +749,7 @@ fdlist_init(void)
void
comm_open(int fd, unsigned int type, const char *desc)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_add_fd(fd);
s_assert(fd >= 0);
if(F->flags.open)
@ -718,7 +778,7 @@ comm_open(int fd, unsigned int type, const char *desc)
void
comm_close(int fd)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(F->flags.open);
/* All disk fd's MUST go through file_close() ! */
s_assert(F->type != FD_FILE);
@ -740,13 +800,13 @@ comm_close(int fd)
F->flags.open = 0;
fdlist_update_biggest(fd, 0);
number_fd--;
memset(F, '\0', sizeof(fde_t));
comm_remove_fd(fd);
F->timeout = 0;
/* Unlike squid, we're actually closing the FD here! -- adrian */
close(fd);
}
/*
* comm_dump() - dump the list of active filedescriptors
*/
@ -755,14 +815,24 @@ comm_dump(struct Client *source_p)
{
int i;
for (i = 0; i <= highest_fd; i++)
for (i = 0; i <= FD_HASH_SIZE; i++)
{
if(!fd_table[i].flags.open)
dlink_node *n;
if (dlink_list_length(&fd_table[i]) <= 0)
continue;
sendto_one_numeric(source_p, RPL_STATSDEBUG,
"F :fd %-3d desc '%s'",
i, fd_table[i].desc);
DLINK_FOREACH(n, fd_table[i].head)
{
fde_t *F = (fde_t *) n->data;
if(F == NULL || !F->flags.open)
continue;
sendto_one_numeric(source_p, RPL_STATSDEBUG,
"F :fd %-3d bucket %-3d desc '%s'",
F->fd, i, F->desc);
}
}
}
@ -776,15 +846,16 @@ void
comm_note(int fd, const char *format, ...)
{
va_list args;
fde_t *F = comm_add_fd(fd); /* XXX: epoll, kqueue. */
if(format)
{
va_start(args, format);
ircvsnprintf(fd_table[fd].desc, FD_DESC_SZ, format, args);
ircvsnprintf(F->desc, FD_DESC_SZ, format, args);
va_end(args);
}
else
fd_table[fd].desc[0] = '\0';
F->desc[0] = '\0';
}

7
libcharybdis/commio.h
View file

@ -21,7 +21,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: commio.h 1757 2006-07-25 23:34:45Z jilles $
* $Id: commio.h 3229 2007-03-05 17:23:07Z nenolod $
*/
#ifndef INCLUDED_commio_h
@ -30,6 +30,7 @@
#include "setup.h"
#include "config.h"
#include "ircd_defs.h"
#include "tools.h"
/* Callback for completed IO events */
typedef void PF(int fd, void *);
@ -128,11 +129,10 @@ struct _fde
}
connect;
int pflags;
dlink_node node;
};
extern fde_t *fd_table;
void fdlist_init(void);
extern void comm_open(int, unsigned int, const char *);
@ -188,5 +188,6 @@ extern void mangle_mapped_sockaddr(struct sockaddr *in);
#define mangle_mapped_sockaddr(x)
#endif
extern fde_t *comm_locate_fd(int fd);
#endif /* INCLUDED_commio_h */

16
libcharybdis/devpoll.c
View file

@ -22,7 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: devpoll.c 390 2005-12-07 18:46:56Z nenolod $
* $Id: devpoll.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "config.h"
@ -77,24 +77,26 @@ devpoll_update_events(int fd, short filter, PF * handler)
int cur_mask = fdmask[fd];
PF *cur_handler;
fdmask[fd] = 0;
fde_t *F = comm_locate_fd(fd);
switch (filter)
{
case COMM_SELECT_READ:
cur_handler = fd_table[fd].read_handler;
cur_handler = F->read_handler;
if(handler)
fdmask[fd] |= POLLRDNORM;
else
fdmask[fd] &= ~POLLRDNORM;
if(fd_table[fd].write_handler)
if(F->write_handler)
fdmask[fd] |= POLLWRNORM;
break;
case COMM_SELECT_WRITE:
cur_handler = fd_table[fd].write_handler;
cur_handler = F->write_handler;
if(handler)
fdmask[fd] |= POLLWRNORM;
else
fdmask[fd] &= ~POLLWRNORM;
if(fd_table[fd].read_handler)
if(F->read_handler)
fdmask[fd] |= POLLRDNORM;
break;
default:
@ -166,7 +168,7 @@ void
comm_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data, time_t timeout)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(fd >= 0);
s_assert(F->flags.open);
@ -235,7 +237,7 @@ comm_select(unsigned long delay)
{
int fd = dopoll.dp_fds[i].fd;
PF *hdl = NULL;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
if((dopoll.dp_fds[i].
revents & (POLLRDNORM | POLLIN | POLLHUP |
POLLERR))

4
libcharybdis/epoll.c
View file

@ -23,7 +23,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: epoll.c 390 2005-12-07 18:46:56Z nenolod $
* $Id: epoll.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "config.h"
@ -80,7 +80,7 @@ comm_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data, time_t timeout)
{
struct epoll_event ep_event;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
int old_flags = F->pflags;
int op = -1;

6
libcharybdis/kqueue.c
View file

@ -22,7 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: kqueue.c 3205 2007-02-09 22:18:23Z nenolod $
* $Id: kqueue.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "stdinc.h"
@ -156,7 +156,7 @@ void
comm_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data, time_t timeout)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(fd >= 0);
s_assert(F->flags.open);
@ -239,7 +239,7 @@ comm_select(unsigned long delay)
{
int fd = (int) ke[i].ident;
PF *hdl = NULL;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
if(ke[i].flags & EV_ERROR)
{

8
libcharybdis/poll.c
View file

@ -22,7 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: poll.c 390 2005-12-07 18:46:56Z nenolod $
* $Id: poll.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "config.h"
@ -81,7 +81,7 @@ poll_findslot(void)
static void
poll_update_pollfds(int fd, short event, PF * handler)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_table(fd);
int comm_index;
if(F->comm_index < 0)
@ -155,7 +155,7 @@ void
comm_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data, time_t timeout)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(fd >= 0);
s_assert(F->flags.open);
@ -255,7 +255,7 @@ comm_select(unsigned long delay)
(pollfd_list.pollfds[ci].fd) == -1)
continue;
fd = pollfd_list.pollfds[ci].fd;
F = &fd_table[fd];
F = comm_locate_fd(fd);
if(revents & (POLLRDNORM | POLLIN | POLLHUP | POLLERR))
{
hdl = F->read_handler;

4
libcharybdis/ports.c
View file

@ -98,7 +98,7 @@ void
ircd_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(fd >= 0);
s_assert(F->flags.open);
@ -148,7 +148,7 @@ ircd_select(unsigned long delay)
case PORT_SOURCE_FD:
fd = pelst[i].portev_object;
PF *hdl = NULL;
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
if ((pelst[i].portev_events & POLLRDNORM) && (hdl = F->read_handler)) {
F->read_handler = NULL;

6
libcharybdis/select.c
View file

@ -22,7 +22,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: select.c 390 2005-12-07 18:46:56Z nenolod $
* $Id: select.c 3229 2007-03-05 17:23:07Z nenolod $
*/
#include "config.h"
@ -105,7 +105,7 @@ void
comm_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
void *client_data, time_t timeout)
{
fde_t *F = &fd_table[fd];
fde_t *F = comm_locate_fd(fd);
s_assert(fd >= 0);
s_assert(F->flags.open);
@ -172,7 +172,7 @@ comm_select(unsigned long delay)
/* XXX we *could* optimise by falling out after doing num fds ... */
for (fd = 0; fd < highest_fd + 1; fd++)
{
F = &fd_table[fd];
F = comm_locate_fd(fd);
if(FD_ISSET(fd, &tmpreadfds))
{