--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2008 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_mblock_impl.h>
+#include <mblock/mblock.h>
+#include <mblock/protocol_class.h>
+#include <mblock/port.h>
+#include <mb_port_simple.h>
+#include <mblock/exception.h>
+#include <mb_util.h>
+#include <mb_msg_accepter_smp.h>
+#include <mbi_runtime_lock.h>
+#include <iostream>
+
+
+static pmt_t s_self = pmt_intern("self");
+
+////////////////////////////////////////////////////////////////////////
+
+bool
+mb_mblock_impl::port_is_defined(const std::string &name)
+{
+ return d_port_map.count(name) != 0;
+}
+
+bool
+mb_mblock_impl::comp_is_defined(const std::string &name)
+{
+ return name == "self" || d_comp_map.count(name) != 0;
+}
+
+////////////////////////////////////////////////////////////////////////
+
+mb_mblock_impl::mb_mblock_impl(mb_runtime_base *runtime, mb_mblock *mb,
+ const std::string &instance_name)
+ : d_runtime(runtime), d_mb(mb), d_mb_parent(0),
+ d_instance_name(instance_name), d_class_name("mblock")
+{
+}
+
+mb_mblock_impl::~mb_mblock_impl()
+{
+ d_mb = 0; // we don't own it
+}
+
+
+mb_port_sptr
+mb_mblock_impl::define_port(const std::string &port_name,
+ const std::string &protocol_class_name,
+ bool conjugated,
+ mb_port::port_type_t port_type)
+{
+ mbi_runtime_lock l(this);
+
+ if (port_is_defined(port_name))
+ throw mbe_duplicate_port(d_mb, port_name);
+
+ mb_port_sptr p =
+ mb_port_sptr(new mb_port_simple(d_mb,
+ port_name, protocol_class_name,
+ conjugated, port_type));
+ d_port_map[port_name] = p;
+ return p;
+}
+
+void
+mb_mblock_impl::define_component(const std::string &name,
+ const std::string &class_name,
+ pmt_t user_arg)
+{
+ {
+ mbi_runtime_lock l(this);
+
+ if (comp_is_defined(name)) // check for duplicate name
+ throw mbe_duplicate_component(d_mb, name);
+ }
+
+ // We ask the runtime to create the component so that it can worry about
+ // mblock placement on a NUMA machine or on a distributed multicomputer
+
+ mb_mblock_sptr component =
+ d_runtime->create_component(instance_name() + "/" + name,
+ class_name, user_arg);
+ {
+ mbi_runtime_lock l(this);
+
+ component->d_impl->d_mb_parent = d_mb; // set component's parent link
+ d_comp_map[name] = component;
+ }
+}
+
+void
+mb_mblock_impl::connect(const std::string &comp_name1,
+ const std::string &port_name1,
+ const std::string &comp_name2,
+ const std::string &port_name2)
+{
+ mbi_runtime_lock l(this);
+
+ mb_endpoint ep0 = check_and_resolve_endpoint(comp_name1, port_name1);
+ mb_endpoint ep1 = check_and_resolve_endpoint(comp_name2, port_name2);
+
+ if (!endpoints_are_compatible(ep0, ep1))
+ throw mbe_incompatible_ports(d_mb,
+ comp_name1, port_name1,
+ comp_name2, port_name2);
+ // FIXME more checks?
+
+ d_conn_table.create_conn(ep0, ep1);
+}
+
+void
+mb_mblock_impl::disconnect(const std::string &comp_name1,
+ const std::string &port_name1,
+ const std::string &comp_name2,
+ const std::string &port_name2)
+{
+ mbi_runtime_lock l(this);
+
+ d_conn_table.disconnect(comp_name1, port_name1, comp_name2, port_name2);
+ invalidate_all_port_caches();
+}
+
+void
+mb_mblock_impl::disconnect_component(const std::string component_name)
+{
+ mbi_runtime_lock l(this);
+
+ d_conn_table.disconnect_component(component_name);
+ invalidate_all_port_caches();
+}
+
+void
+mb_mblock_impl::disconnect_all()
+{
+ mbi_runtime_lock l(this);
+
+ d_conn_table.disconnect_all();
+ invalidate_all_port_caches();
+}
+
+int
+mb_mblock_impl::nconnections()
+{
+ mbi_runtime_lock l(this);
+
+ return d_conn_table.nconnections();
+}
+
+////////////////////////////////////////////////////////////////////////
+
+mb_endpoint
+mb_mblock_impl::check_and_resolve_endpoint(const std::string &comp_name,
+ const std::string &port_name)
+{
+ mb_conn_iter it;
+ int which_ep;
+ mb_port_sptr port = resolve_port(comp_name, port_name);
+
+ // Confirm that we're not trying to connect to the inside of one of
+ // our EXTERNAL ports. Connections that include "self" as the
+ // component name must be either INTERNAL or RELAY.
+
+ if (comp_name == "self" && port->port_type() == mb_port::EXTERNAL)
+ throw mbe_invalid_port_type(d_mb, comp_name, port_name);
+
+ // Is this endpoint already connected?
+ if (d_conn_table.lookup_conn_by_name(comp_name, port_name, &it, &which_ep))
+ throw mbe_already_connected(d_mb, comp_name, port_name);
+
+ return mb_endpoint(comp_name, port_name, port);
+}
+
+mb_port_sptr
+mb_mblock_impl::resolve_port(const std::string &comp_name,
+ const std::string &port_name)
+{
+ if (comp_name == "self"){
+ // Look through our ports.
+ if (!port_is_defined(port_name))
+ throw mbe_no_such_port(d_mb, mb_util::join_names("self", port_name));
+ return d_port_map[port_name];
+ }
+ else {
+ // Look through the specified child's ports.
+ if (!comp_is_defined(comp_name))
+ throw mbe_no_such_component(d_mb, comp_name);
+
+ mb_mblock_impl_sptr c_impl = d_comp_map[comp_name]->d_impl; // childs impl pointer
+ if (!c_impl->port_is_defined(port_name))
+ throw mbe_no_such_port(d_mb, mb_util::join_names(comp_name, port_name));
+
+ mb_port_sptr c_port = c_impl->d_port_map[port_name];
+
+ if (c_port->port_type() == mb_port::INTERNAL) // can't "see" a child's internal ports
+ throw mbe_no_such_port(d_mb, mb_util::join_names(comp_name, port_name));
+
+ return c_port;
+ }
+}
+
+
+
+bool
+mb_mblock_impl::endpoints_are_compatible(const mb_endpoint &ep0,
+ const mb_endpoint &ep1)
+{
+ pmt_t p0_outgoing = ep0.outgoing_message_set();
+ pmt_t p0_incoming = ep0.incoming_message_set();
+
+ pmt_t p1_outgoing = ep1.outgoing_message_set();
+ pmt_t p1_incoming = ep1.incoming_message_set();
+
+ return (pmt_subsetp(p0_outgoing, p1_incoming)
+ && pmt_subsetp(p1_outgoing, p0_incoming));
+}
+
+bool
+mb_mblock_impl::walk_tree(mb_visitor *visitor)
+{
+ if (!(*visitor)(d_mb))
+ return false;
+
+ mb_comp_map_t::iterator it;
+ for (it = d_comp_map.begin(); it != d_comp_map.end(); ++it)
+ if (!(it->second->walk_tree(visitor)))
+ return false;
+
+ return true;
+}
+
+mb_msg_accepter_sptr
+mb_mblock_impl::make_accepter(pmt_t port_name)
+{
+ // FIXME this should probably use some kind of configurable factory
+ mb_msg_accepter *ma =
+ new mb_msg_accepter_smp(d_mb->shared_from_this(), port_name);
+
+ return mb_msg_accepter_sptr(ma);
+}
+
+bool
+mb_mblock_impl::lookup_other_endpoint(const mb_port *port, mb_endpoint *ep)
+{
+ mb_conn_iter it;
+ int which_ep = 0;
+
+ if (!d_conn_table.lookup_conn_by_port(port, &it, &which_ep))
+ return false;
+
+ *ep = it->d_ep[which_ep^1];
+ return true;
+}
+
+mb_mblock_sptr
+mb_mblock_impl::component(const std::string &comp_name)
+{
+ if (comp_name == "self")
+ return d_mb->shared_from_this();
+
+ if (d_comp_map.count(comp_name) == 0)
+ return mb_mblock_sptr(); // null pointer
+
+ return d_comp_map[comp_name];
+}
+
+void
+mb_mblock_impl::set_instance_name(const std::string &name)
+{
+ d_instance_name = name;
+}
+
+void
+mb_mblock_impl::set_class_name(const std::string &name)
+{
+ d_class_name = name;
+}
+
+/*
+ * This is the "Big Hammer" port cache invalidator.
+ * It invalidates _all_ of the port caches in the entire mblock tree.
+ * It's overkill, but was simple to code.
+ */
+void
+mb_mblock_impl::invalidate_all_port_caches()
+{
+ class invalidator : public mb_visitor
+ {
+ public:
+ bool operator()(mb_mblock *mblock)
+ {
+ mb_mblock_impl_sptr impl = mblock->impl();
+ mb_port_map_t::iterator it = impl->d_port_map.begin();
+ mb_port_map_t::iterator end = impl->d_port_map.end();
+ for (; it != end; ++it)
+ it->second->invalidate_cache();
+ return true;
+ }
+ };
+
+ invalidator visitor;
+
+ // Always true, except in early QA code
+ if (runtime()->top())
+ runtime()->top()->walk_tree(&visitor);
+}
projects / debian / gnuradio / blobdiff