mirror of
https://github.com/matrix-construct/construct
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* librb is no longer a separately configured subproject. * charybdis is now a standalone directory with a binary. * Include path layout now requires a directory ircd/ rb/ etc.
285 lines
5.5 KiB
C
285 lines
5.5 KiB
C
/*
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* ircd-ratbox: 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) 2002-2004,2008 ircd-ratbox development team
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* Copyright (C) 2005 Edward Brocklesby.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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*/
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#include <rb/rb.h>
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#include <rb/commio_int.h>
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#include <rb/event_int.h>
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#if defined(HAVE_PORT_H) && (HAVE_PORT_CREATE)
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#include <port.h>
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#define PE_LENGTH 128
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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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rb_setup_fd_ports(rb_fde_t *F)
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{
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return 0;
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}
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/*
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* rb_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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int
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rb_init_netio_ports(void)
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{
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if((pe = port_create()) < 0)
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{
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return errno;
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}
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pemax = getdtablesize();
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pelst = rb_malloc(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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rb_set_time();
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return 0;
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}
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/*
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* rb_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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rb_setselect_ports(rb_fde_t *F, unsigned int type, PF * handler, void *client_data)
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{
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lrb_assert(IsFDOpen(F));
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int old_flags = F->pflags;
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if(type & RB_SELECT_READ)
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{
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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 & RB_SELECT_WRITE)
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{
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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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F->pflags = 0;
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if(F->read_handler != NULL)
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F->pflags = POLLIN;
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if(F->write_handler != NULL)
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F->pflags |= POLLOUT;
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if(old_flags == 0 && F->pflags == 0)
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return;
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else if(F->pflags <= 0)
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{
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port_dissociate(pe, PORT_SOURCE_FD, F->fd);
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return;
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}
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port_associate(pe, PORT_SOURCE_FD, F->fd, F->pflags, F);
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}
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/*
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* rb_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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* rb_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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rb_select_ports(long delay)
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{
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int i, fd = -1;
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unsigned int nget = 1;
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struct timespec poll_time;
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struct timespec *p = NULL;
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struct ev_entry *ev;
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if(delay >= 0)
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{
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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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p = &poll_time;
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}
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i = port_getn(pe, pelst, pemax, &nget, p);
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rb_set_time();
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if(i == -1)
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return RB_OK;
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for(i = 0; (unsigned)i < nget; i++)
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{
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if(pelst[i].portev_source == PORT_SOURCE_FD)
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{
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fd = pelst[i].portev_object;
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PF *hdl = NULL;
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rb_fde_t *F = pelst[i].portev_user;
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if((pelst[i].portev_events & (POLLIN | POLLHUP | POLLERR)) && (hdl = F->read_handler))
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{
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F->read_handler = NULL;
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hdl(F, F->read_data);
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}
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if((pelst[i].portev_events & (POLLOUT | POLLHUP | POLLERR)) && (hdl = F->write_handler))
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{
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F->write_handler = NULL;
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hdl(F, F->write_data);
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}
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} else if(pelst[i].portev_source == PORT_SOURCE_TIMER)
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{
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ev = (struct ev_entry *)pelst[i].portev_user;
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rb_run_one_event(ev);
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}
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}
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return RB_OK;
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}
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int
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rb_ports_supports_event(void)
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{
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return 1;
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};
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void
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rb_ports_init_event(void)
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{
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return;
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}
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int
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rb_ports_sched_event(struct ev_entry *event, int when)
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{
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timer_t *id;
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struct sigevent ev;
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port_notify_t not;
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struct itimerspec ts;
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event->comm_ptr = rb_malloc(sizeof(timer_t));
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id = event->comm_ptr;
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memset(&ev, 0, sizeof(ev));
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ev.sigev_notify = SIGEV_PORT;
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ev.sigev_value.sival_ptr = ¬
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memset(¬, 0, sizeof(not));
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not.portnfy_port = pe;
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not.portnfy_user = event;
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if(timer_create(CLOCK_REALTIME, &ev, id) < 0)
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{
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rb_lib_log("timer_create: %s\n", strerror(errno));
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return 0;
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}
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memset(&ts, 0, sizeof(ts));
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ts.it_value.tv_sec = when;
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ts.it_value.tv_nsec = 0;
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if(event->frequency != 0)
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ts.it_interval = ts.it_value;
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if(timer_settime(*id, 0, &ts, NULL) < 0)
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{
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rb_lib_log("timer_settime: %s\n", strerror(errno));
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return 0;
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}
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return 1;
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}
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void
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rb_ports_unsched_event(struct ev_entry *event)
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{
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timer_delete(*((timer_t *) event->comm_ptr));
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rb_free(event->comm_ptr);
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event->comm_ptr = NULL;
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}
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#else /* ports not supported */
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int
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rb_ports_supports_event(void)
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{
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errno = ENOSYS;
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return 0;
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}
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void
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rb_ports_init_event(void)
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{
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return;
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}
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int
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rb_ports_sched_event(struct ev_entry *event, int when)
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{
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errno = ENOSYS;
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return -1;
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}
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void
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rb_ports_unsched_event(struct ev_entry *event)
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{
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return;
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}
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int
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rb_init_netio_ports(void)
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{
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return ENOSYS;
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}
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void
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rb_setselect_ports(rb_fde_t *F, unsigned int type, PF * handler, void *client_data)
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{
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errno = ENOSYS;
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return;
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}
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int
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rb_select_ports(long delay)
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{
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errno = ENOSYS;
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return -1;
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}
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int
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rb_setup_fd_ports(rb_fde_t *F)
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{
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errno = ENOSYS;
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return -1;
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}
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#endif
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