diff options
Diffstat (limited to 'system/kernel/pdp_comm.c')
| -rw-r--r-- | system/kernel/pdp_comm.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/system/kernel/pdp_comm.c b/system/kernel/pdp_comm.c deleted file mode 100644 index bcc0e3a..0000000 --- a/system/kernel/pdp_comm.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Pure Data Packet system implementation. - * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* this file contains misc communication (packet) methods for pd */ - - -#include "pdp.h" -#include "pdp_internals.h" -#include <stdio.h> - -/* all symbols are C style */ -#ifdef __cplusplus -extern "C" -{ -#endif - -t_symbol *_pdp_sym_pdp; -t_symbol *_pdp_sym_rro; -t_symbol *_pdp_sym_rrw; -t_symbol *_pdp_sym_prc; -t_symbol *_pdp_sym_dpd; -t_symbol *_pdp_sym_ins; -t_symbol *_pdp_sym_acc; - -t_symbol *pdp_sym_pdp() {return _pdp_sym_pdp;} -t_symbol *pdp_sym_rro() {return _pdp_sym_rro;} -t_symbol *pdp_sym_rrw() {return _pdp_sym_rrw;} -t_symbol *pdp_sym_prc() {return _pdp_sym_prc;} -t_symbol *pdp_sym_dpd() {return _pdp_sym_dpd;} -t_symbol *pdp_sym_ins() {return _pdp_sym_ins;} -t_symbol *pdp_sym_acc() {return _pdp_sym_acc;} - -/************** packet management and communication convenience functions ************/ - -/* send a packet to an outlet */ -void outlet_pdp(t_outlet *out, int packetid) -{ - t_atom atom[2]; - - SETFLOAT(atom+1, (float)packetid); - - SETSYMBOL(atom+0, pdp_sym_rro()); - outlet_anything(out, pdp_sym_pdp(), 2, atom); - - SETSYMBOL(atom+0, pdp_sym_rrw()); - outlet_anything(out, pdp_sym_pdp(), 2, atom); - - SETSYMBOL(atom+0, pdp_sym_prc()); - outlet_anything(out, pdp_sym_pdp(), 2, atom); - -} - -/* send an accumulation packet to an outlet */ -void outlet_dpd(t_outlet *out, int packetid) -{ - t_atom atom[2]; - - SETFLOAT(atom+1, (float)packetid); - - SETSYMBOL(atom+0, pdp_sym_ins()); - outlet_anything(out, pdp_sym_dpd(), 2, atom); - - SETSYMBOL(atom+0, pdp_sym_acc()); - outlet_anything(out, pdp_sym_dpd(), 2, atom); - -} - -/* unregister a packet and send it to an outlet */ -void - -pdp_packet_pass_if_valid(t_outlet *outlet, int *packet_ptr) -{ - t_pdp *header = pdp_packet_header(*packet_ptr); - //if (-1 != *packet){ - if (header){ - /* if packet is exclusively owned, mark as passing */ - if (1 == header->users) pdp_packet_mark_passing(packet_ptr); - - /* send */ - outlet_pdp(outlet, *packet_ptr); - - /* if the packet is still here (was passing and not registered, - or it was a shared copy): unregister it */ - if (-1 != *packet_ptr){ - pdp_packet_unmark_passing(*packet_ptr); - pdp_packet_mark_unused(*packet_ptr); - *packet_ptr = -1; - } - } -} - -void -pdp_packet_replace_if_valid(int *dpacket, int *spacket) -{ - if (-1 != *spacket){ - pdp_packet_mark_unused(*dpacket); - *dpacket = *spacket; - *spacket = -1; - } - -} - - -int -pdp_packet_copy_ro_or_drop(int *dpacket, int spacket) -{ - int drop = 0; - if (*dpacket == -1) *dpacket = pdp_packet_copy_ro(spacket); - else { - /* send a notification there is a dropped packet */ - pdp_control_notify_drop(spacket); - drop = 1; - } - return drop; -} - - -int -pdp_packet_copy_rw_or_drop(int *dpacket, int spacket) -{ - int drop = 0; - if (*dpacket == -1) *dpacket = pdp_packet_copy_rw(spacket); - else { - /* send a notification there is a dropped packet */ - pdp_control_notify_drop(spacket); - drop = 1; - } - return drop; -} - -int -pdp_packet_convert_ro_or_drop(int *dpacket, int spacket, t_pdp_symbol *template) -{ - int drop = 0; - - if (!template) return pdp_packet_copy_ro_or_drop(dpacket, spacket); - - if (*dpacket == -1) *dpacket = pdp_packet_convert_ro(spacket, template); - else { - /* send a notification there is a dropped packet */ - pdp_control_notify_drop(spacket); - drop = 1; - } - return drop; -} - - -int -pdp_packet_convert_rw_or_drop(int *dpacket, int spacket, t_pdp_symbol *template) -{ - int drop = 0; - - if (!template) return pdp_packet_copy_rw_or_drop(dpacket, spacket); - - if (*dpacket == -1) *dpacket = pdp_packet_convert_rw(spacket, template); - else { - /* send a notification there is a dropped packet */ - pdp_control_notify_drop(spacket); - drop = 1; - } - return drop; -} - - -void -pdp_sym_setup(void) -{ - _pdp_sym_pdp = gensym("pdp"); - _pdp_sym_rro = gensym("register_ro"); - _pdp_sym_rrw = gensym("register_rw"); - _pdp_sym_prc = gensym("process"); - _pdp_sym_dpd = gensym("dpd"); - _pdp_sym_ins = gensym("inspect"); - _pdp_sym_acc = gensym("accumulate"); -} - - - -#ifdef __cplusplus -} -#endif |