mirror of
https://github.com/matrix-construct/construct
synced 2024-09-08 01:35:39 +02:00
180 lines
4.5 KiB
C
180 lines
4.5 KiB
C
/*
|
|
* charybdis: A slightly useful ircd.
|
|
* ports.c: Solaris ports compatible network routines.
|
|
*
|
|
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
|
|
* Copyright (C) 1996-2002 Hybrid Development Team
|
|
* Copyright (C) 2001 Adrian Chadd <adrian@creative.net.au>
|
|
* Copyright (C) 2002-2004 ircd-ratbox development team
|
|
* Copyright (C) 2005 Edward Brocklesby.
|
|
* Copyright (C) 2005 William Pitcock and Jilles Tjoelker
|
|
* Copyright (C) 2007 River Tarnell
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*
|
|
* $Id: ports.c 3366 2007-04-03 09:57:53Z nenolod $
|
|
*/
|
|
|
|
#include "stdinc.h"
|
|
#include <port.h>
|
|
#include <time.h>
|
|
|
|
#include "stdinc.h"
|
|
#include "res.h"
|
|
#include "numeric.h"
|
|
#include "tools.h"
|
|
#include "memory.h"
|
|
#include "balloc.h"
|
|
#include "linebuf.h"
|
|
#include "sprintf_irc.h"
|
|
#include "commio.h"
|
|
#include "ircevent.h"
|
|
#include "modules.h"
|
|
|
|
static int comm_init(void);
|
|
static void comm_deinit(void);
|
|
|
|
static int comm_select_impl(unsigned long delay);
|
|
static void comm_setselect_impl(int fd, unsigned int type, PF * handler, void *client_data, time_t timeout);
|
|
|
|
static void pe_update_events(fde_t *, short, PF *);
|
|
static int pe;
|
|
static struct timespec zero_timespec;
|
|
|
|
static port_event_t *pelst; /* port buffer */
|
|
static int pemax; /* max structs to buffer */
|
|
|
|
static void
|
|
pe_update_events(fde_t * F, short filter, PF * handler)
|
|
{
|
|
PF *cur_handler = NULL;
|
|
|
|
if (filter == POLLRDNORM)
|
|
cur_handler = F->read_handler;
|
|
else if (filter == POLLWRNORM)
|
|
cur_handler = F->write_handler;
|
|
|
|
if (!cur_handler && handler)
|
|
port_associate(pe, PORT_SOURCE_FD, F->fd, filter, F);
|
|
else if (cur_handler && !handler)
|
|
port_dissociate(pe, PORT_SOURCE_FD, F->fd);
|
|
}
|
|
|
|
/* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
|
|
/* Public functions */
|
|
|
|
|
|
/*
|
|
* init_netio
|
|
*
|
|
* This is a needed exported function which will be called to initialise
|
|
* the network loop code.
|
|
*/
|
|
static int
|
|
init_netio(void)
|
|
{
|
|
if((pe = port_create()) < 0) {
|
|
ilog(L_MAIN, "init_netio: Couldn't open port fd!\n");
|
|
exit(115); /* Whee! */
|
|
}
|
|
pemax = getdtablesize();
|
|
pelst = MyMalloc(sizeof(port_event_t) * pemax);
|
|
zero_timespec.tv_sec = 0;
|
|
zero_timespec.tv_nsec = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* ircd_setselect
|
|
*
|
|
* This is a needed exported function which will be called to register
|
|
* and deregister interest in a pending IO state for a given FD.
|
|
*/
|
|
void
|
|
comm_setselect(int fd, unsigned int type, PF * handler,
|
|
void *client_data, time_t timeout)
|
|
{
|
|
fde_t *F = &fd_table[fd];
|
|
s_assert(fd >= 0);
|
|
s_assert(F->flags.open);
|
|
|
|
if (type & COMM_SELECT_READ) {
|
|
pe_update_events(F, POLLRDNORM, handler);
|
|
F->read_handler = handler;
|
|
F->read_data = client_data;
|
|
}
|
|
if (type & COMM_SELECT_WRITE) {
|
|
pe_update_events(F, POLLWRNORM, handler);
|
|
F->write_handler = handler;
|
|
F->write_data = client_data;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* ircd_select
|
|
*
|
|
* Called to do the new-style IO, courtesy of squid (like most of this
|
|
* new IO code). This routine handles the stuff we've hidden in
|
|
* ircd_setselect and fd_table[] and calls callbacks for IO ready
|
|
* events.
|
|
*/
|
|
|
|
int
|
|
comm_select(unsigned long delay)
|
|
{
|
|
int i, fd;
|
|
unsigned int nget = 1;
|
|
struct timespec poll_time;
|
|
|
|
poll_time.tv_sec = delay / 1000;
|
|
poll_time.tv_nsec = (delay % 1000) * 1000000;
|
|
|
|
i = port_getn(pe, pelst, pemax, &nget, &poll_time);
|
|
set_time();
|
|
|
|
if (i == -1)
|
|
return COMM_ERROR;
|
|
|
|
for (i = 0; i < nget; i++)
|
|
{
|
|
PF *hdl = NULL;
|
|
fde_t *F;
|
|
|
|
switch(pelst[i].portev_source)
|
|
{
|
|
case PORT_SOURCE_FD:
|
|
fd = pelst[i].portev_object;
|
|
F = &fd_table[fd];
|
|
|
|
if ((pelst[i].portev_events & POLLRDNORM) && (hdl = F->read_handler)) {
|
|
F->read_handler = NULL;
|
|
hdl(fd, F->read_data);
|
|
}
|
|
if (F->flags.open == 0)
|
|
continue;
|
|
|
|
if ((pelst[i].portev_events & POLLWRNORM) && (hdl = F->write_handler)) {
|
|
F->write_handler = NULL;
|
|
hdl(fd, F->write_data);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return COMM_OK;
|
|
}
|