mirror of
https://github.com/matrix-construct/construct
synced 2024-09-07 17:25:41 +02:00
+ branches/release-2.1 -> 2.2 base + 3.0 -> branches/cxxconversion + backport some immediate 3.0 functionality for 2.2 + other stuff
174 lines
4.2 KiB
C
174 lines
4.2 KiB
C
/*
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* charybdis: A slightly useful ircd.
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* ports.c: Solaris ports compatible network routines.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2001 Adrian Chadd <adrian@creative.net.au>
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* Copyright (C) 2002-2004 ircd-ratbox development team
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* Copyright (C) 2005 Edward Brocklesby.
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* Copyright (C) 2005 William Pitcock and Jilles Tjoelker
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id$
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*/
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#include "stdinc.h"
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#include <port.h>
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#include <time.h>
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#include "libcharybdis.h"
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#define PE_LENGTH 128
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static void pe_update_events(fde_t *, short, PF *);
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static int pe;
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static struct timespec zero_timespec;
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static port_event_t *pelst; /* port buffer */
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static int pemax; /* max structs to buffer */
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int
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ircd_setup_fd(int fd)
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{
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return 0;
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}
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void
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pe_update_events(fde_t * F, short filter, PF * handler)
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{
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PF *cur_handler = NULL;
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if (filter == POLLRDNORM)
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cur_handler = F->read_handler;
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else if (filter == POLLWRNORM)
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cur_handler = F->write_handler;
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if (!cur_handler && handler)
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port_associate(pe, PORT_SOURCE_FD, F->fd, filter, F);
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else if (cur_handler && !handler)
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port_dissociate(pe, PORT_SOURCE_FD, F->fd);
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}
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/* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */
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/* Public functions */
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/*
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* init_netio
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*
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* This is a needed exported function which will be called to initialise
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* the network loop code.
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*/
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void
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init_netio(void)
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{
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if((pe = port_create()) < 0) {
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libcharybdis_log("init_netio: Couldn't open port fd!\n");
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exit(115); /* Whee! */
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}
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pemax = getdtablesize();
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pelst = MyMalloc(sizeof(port_event_t) * pemax);
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zero_timespec.tv_sec = 0;
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zero_timespec.tv_nsec = 0;
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}
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/*
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* ircd_setselect
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*
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* This is a needed exported function which will be called to register
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* and deregister interest in a pending IO state for a given FD.
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*/
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void
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ircd_setselect(int fd, fdlist_t list, unsigned int type, PF * handler,
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void *client_data)
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{
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fde_t *F = &fd_table[fd];
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s_assert(fd >= 0);
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s_assert(F->flags.open);
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/* Update the list, even though we're not using it .. */
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F->list = list;
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if(type & IRCD_SELECT_READ) {
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pe_update_events(F, POLLRDNORM, handler);
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F->read_handler = handler;
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F->read_data = client_data;
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}
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if(type & IRCD_SELECT_WRITE) {
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pe_update_events(F, POLLWRNORM, handler);
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F->write_handler = handler;
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F->write_data = client_data;
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}
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}
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/*
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* ircd_select
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*
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* Called to do the new-style IO, courtesy of squid (like most of this
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* new IO code). This routine handles the stuff we've hidden in
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* ircd_setselect and fd_table[] and calls callbacks for IO ready
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* events.
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*/
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int
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ircd_select(unsigned long delay)
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{
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int i, fd;
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uint nget = 1;
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struct timespec poll_time;
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struct timer_data *tdata;
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poll_time.tv_sec = delay / 1000;
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poll_time.tv_nsec = (delay % 1000) * 1000000;
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i = port_getn(pe, pelst, pemax, &nget, &poll_time);
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ircd_set_time();
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if (i == -1)
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return COMM_ERROR;
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for (i = 0; i < nget; i++) {
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switch(pelst[i].portev_source) {
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case PORT_SOURCE_FD:
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fd = pelst[i].portev_object;
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PF *hdl = NULL;
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fde_t *F = &fd_table[fd];
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if ((pelst[i].portev_events & POLLRDNORM) && (hdl = F->read_handler)) {
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F->read_handler = NULL;
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hdl(fd, F->read_data);
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}
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if ((pelst[i].portev_events & POLLWRNORM) && (hdl = F->write_handler)) {
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F->write_handler = NULL;
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hdl(fd, F->write_data);
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}
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break;
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case PORT_SOURCE_TIMER:
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tdata = pelst[i].portev_user;
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tdata->td_cb(tdata->td_udata);
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if (!tdata->td_repeat)
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free(tdata);
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break;
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}
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}
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return COMM_OK;
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}
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