diff options
Diffstat (limited to 'mblock/src/lib/mb_port_simple.cc')
| -rw-r--r-- | mblock/src/lib/mb_port_simple.cc | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/mblock/src/lib/mb_port_simple.cc b/mblock/src/lib/mb_port_simple.cc deleted file mode 100644 index 235e59de2..000000000 --- a/mblock/src/lib/mb_port_simple.cc +++ /dev/null @@ -1,152 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2007,2008,2009 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio 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 3, or (at your option) - * any later version. - * - * GNU Radio 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <mb_port_simple.h> -#include <mblock/msg_accepter.h> -#include <mblock/exception.h> -#include <mblock/mblock.h> -#include <mb_mblock_impl.h> -#include <assert.h> -#include <mbi_runtime_lock.h> - -using namespace pmt; - -mb_port_simple::mb_port_simple(mb_mblock *mblock, - const std::string &port_name, - const std::string &protocol_class_name, - bool conjugated, - mb_port::port_type_t port_type) - : mb_port(mblock, port_name, protocol_class_name, conjugated, port_type), - d_cache_valid(false) -{ -} - -mb_port_simple::~mb_port_simple() -{ - // nop -} - -void -mb_port_simple::send(pmt_t signal, pmt_t data, pmt_t metadata, mb_pri_t priority) -{ - if (port_type() == mb_port::RELAY) // Can't send directly to a RELAY port - throw mbe_invalid_port_type(mblock(), mblock()->instance_name(), port_name()); - - mb_msg_accepter_sptr accepter = find_accepter(this); - if (accepter) - (*accepter)(signal, data, metadata, priority); -} - - -mb_msg_accepter_sptr -mb_port_simple::find_accepter(mb_port_simple *start) -{ - mb_port_simple *p = start; - mb_port_simple *pp = 0; - mb_mblock *context = 0; - mb_endpoint peer_ep; - mb_msg_accepter_sptr r; - - if (start->d_cache_valid) - return start->d_cached_accepter; - - mbi_runtime_lock l(p->mblock()); - - // Set up initial context. - - switch(p->port_type()){ - case mb_port::INTERNAL: // binding is in our name space - context = p->mblock(); - break; - - case mb_port::EXTERNAL: // binding is in parent's name space - context = p->mblock()->parent(); - if (!context) // can't be bound if there's no parent - return mb_msg_accepter_sptr(); // not bound - break; - - default: - throw std::logic_error("Can't happen: mb_port_simple::find_accepter [1]"); - } - - - traverse: - - if (!context->impl()->lookup_other_endpoint(p, &peer_ep)) - return mb_msg_accepter_sptr(); // not bound - - pp = dynamic_cast<mb_port_simple *>(peer_ep.port().get()); // peer port - assert(pp); - - switch (pp->port_type()){ - case mb_port::INTERNAL: // Terminate here. - case mb_port::EXTERNAL: - r = pp->make_accepter(); - - // cache the result - - start->d_cached_accepter = r; - start->d_cache_valid = true; - return r; - - case mb_port::RELAY: // Traverse to other side of relay port. - if (peer_ep.inside_of_relay_port_p()){ - // We're on inside of relay port, headed out. - p = pp; - context = p->mblock()->parent(); - - // Corner case: we're attempting to traverse a relay port on the border - // of the top block... - if (!context) - return mb_msg_accepter_sptr(); // not bound - - goto traverse; - } - else { - // We're on the outside of relay port, headed in. - p = pp; - context = p->mblock(); - goto traverse; - } - break; - - default: - throw std::logic_error("Can't happen: mb_port_simple::find_accepter [2]"); - } -} - - -mb_msg_accepter_sptr -mb_port_simple::make_accepter() -{ - return d_mblock->impl()->make_accepter(port_symbol()); -} - -void -mb_port_simple::invalidate_cache() -{ - d_cache_valid = false; - d_cached_accepter.reset(); -} |