3 * Copyright 2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include <mb_mblock_impl.h>
26 #include <mb_mblock.h>
27 #include <mb_protocol_class.h>
29 #include <mb_exception.h>
33 static pmt_t s_self = pmt_intern("self");
35 ////////////////////////////////////////////////////////////////////////
38 mb_mblock_impl::port_is_defined(const std::string &name)
40 return d_port_map.count(name) != 0;
44 mb_mblock_impl::comp_is_defined(const std::string &name)
46 return name == "self" || d_comp_map.count(name) != 0;
49 ////////////////////////////////////////////////////////////////////////
51 mb_mblock_impl::mb_mblock_impl(mb_mblock *mb)
56 mb_mblock_impl::~mb_mblock_impl()
58 d_mb = 0; // we don't own it
63 mb_mblock_impl::define_port(const std::string &port_name,
64 const std::string &protocol_class_name,
66 mb_port::port_type_t port_type)
68 if (port_type == mb_port::RELAY)
69 throw mbe_base(d_mb, "mb_block_impl::define_port: RELAY ports are not implemented: " + port_name);
71 if (port_is_defined(port_name))
72 throw mbe_duplicate_port(d_mb, port_name);
74 mb_port_sptr p = mb_port_sptr(new mb_port(port_name, protocol_class_name,
75 conjugated, port_type));
76 d_port_map[port_name] = p;
81 mb_mblock_impl::define_component(const std::string &name,
82 mb_mblock_sptr component)
84 if (comp_is_defined(name)) // check for duplicate name
85 throw mbe_duplicate_component(d_mb, name);
87 d_comp_map[name] = component;
91 mb_mblock_impl::connect(const std::string &comp_name1, const std::string &port_name1,
92 const std::string &comp_name2, const std::string &port_name2)
94 mb_endpoint ep0 = check_and_resolve_endpoint(comp_name1, port_name1);
95 mb_endpoint ep1 = check_and_resolve_endpoint(comp_name2, port_name2);
97 if (!ports_are_compatible(ep0.port(), ep1.port()))
98 throw mbe_incompatible_ports(d_mb,
99 comp_name1, port_name1,
100 comp_name2, port_name2);
101 // FIXME more checks?
103 d_conn_table.create_conn(ep0, ep1);
107 mb_mblock_impl::disconnect(const std::string &comp_name1, const std::string &port_name1,
108 const std::string &comp_name2, const std::string &port_name2)
110 d_conn_table.disconnect(comp_name1, port_name1, comp_name2, port_name2);
114 mb_mblock_impl::disconnect_component(const std::string component_name)
116 d_conn_table.disconnect_component(component_name);
120 mb_mblock_impl::disconnect_all()
122 d_conn_table.disconnect_all();
126 mb_mblock_impl::nconnections() const
128 return d_conn_table.nconnections();
131 ////////////////////////////////////////////////////////////////////////
134 mb_mblock_impl::check_and_resolve_endpoint(const std::string &comp_name,
135 const std::string &port_name)
139 mb_port_sptr port = resolve_port(comp_name, port_name);
141 // Confirm that we're not trying to connect to the inside of one of
142 // our EXTERNAL ports. Connections that include "self" as the
143 // component name must be either INTERNAL or RELAY.
145 if (comp_name == "self" && port->port_type() == mb_port::EXTERNAL)
146 throw mbe_invalid_port_type(d_mb, comp_name, port_name);
148 // Is this endpoint already connected?
149 if (d_conn_table.lookup_conn_by_name(comp_name, port_name, &it, &which_ep))
150 throw mbe_already_connected(d_mb, comp_name, port_name);
152 return mb_endpoint(comp_name, port_name, port);
156 mb_mblock_impl::resolve_port(const std::string &comp_name,
157 const std::string &port_name)
159 if (comp_name == "self"){
160 // Look through our ports.
161 if (!port_is_defined(port_name))
162 throw mbe_no_such_port(d_mb, mb_util::join_names("self", port_name));
163 return d_port_map[port_name];
166 // Look through the specified child's ports.
167 if (!comp_is_defined(comp_name))
168 throw mbe_no_such_component(d_mb, comp_name);
170 mb_mblock_impl_sptr c_impl = d_comp_map[comp_name]->d_impl; // childs impl pointer
171 if (!c_impl->port_is_defined(port_name))
172 throw mbe_no_such_port(d_mb, mb_util::join_names(comp_name, port_name));
174 mb_port_sptr c_port = c_impl->d_port_map[port_name];
176 if (c_port->port_type() == mb_port::INTERNAL) // can't "see" a child's internal ports
177 throw mbe_no_such_port(d_mb, mb_util::join_names(comp_name, port_name));
186 mb_mblock_impl::ports_are_compatible(mb_port_sptr p0, mb_port_sptr p1)
191 pmt_t p0_outgoing = p0->outgoing_message_set();
192 pmt_t p0_incoming = p0->incoming_message_set();
194 pmt_t p1_outgoing = p1->outgoing_message_set();
195 pmt_t p1_incoming = p1->incoming_message_set();
197 return (pmt_subsetp(p0_outgoing, p1_incoming)
198 && pmt_subsetp(p1_outgoing, p0_incoming));
202 mb_mblock_impl::walk_tree(mb_visitor *visitor, const std::string &path)
204 if (!(*visitor)(d_mb, path))
207 mb_comp_map_t::iterator it;
208 for (it = d_comp_map.begin(); it != d_comp_map.end(); ++it)
209 if (!(it->second->walk_tree(visitor, path + "/" + it->first)))