Imported Upstream version 3.2.2

[debian/gnuradio] / mblock / src / lib / mb_connection.cc

diff --git a/mblock/src/lib/mb_connection.cc b/mblock/src/lib/mb_connection.cc
new file mode 100644 (file)
index 0000000..7e3bb89
--- /dev/null
+++ b/mblock/src/lib/mb_connection.cc
@@ -0,0 +1,126 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 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_connection.h>
+
+bool
+mb_conn_table::lookup_conn_by_name(const std::string &component_name,
+                                  const std::string &port_name,
+                                  mb_conn_iter *itp, int *which_ep)
+{
+  mb_conn_iter end = d_connections.end();
+  for (mb_conn_iter it = d_connections.begin(); it != end; ++it){
+
+    if (it->d_ep[0].component_name() == component_name
+       && it->d_ep[0].port_name() == port_name){
+      *itp = it;
+      *which_ep = 0;
+      return true;
+    }
+
+    if (it->d_ep[1].component_name() == component_name
+       && it->d_ep[1].port_name() == port_name){
+      *itp = it;
+      *which_ep = 1;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool
+mb_conn_table::lookup_conn_by_port(const mb_port *port,
+                                  mb_conn_iter *itp, int *which_ep)
+{
+  mb_conn_iter end = d_connections.end();
+  for (mb_conn_iter it = d_connections.begin(); it != end; ++it){
+    if (it->d_ep[0].port().get() == port){
+      *itp = it;
+      *which_ep = 0;
+      return true;
+    }
+    if (it->d_ep[1].port().get() == port){
+      *itp = it;
+      *which_ep = 1;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void
+mb_conn_table::create_conn(const mb_endpoint &ep0, const mb_endpoint &ep1)
+{
+  d_connections.push_back(mb_connection(ep0, ep1));
+}
+
+void
+mb_conn_table::disconnect(const std::string &comp_name1, const std::string &port_name1,
+                         const std::string &comp_name2, const std::string &port_name2)
+{
+  mb_conn_iter it;
+  int         which_ep;
+
+  // look for comp_name1/port_name1
+  bool found = lookup_conn_by_name(comp_name1, port_name1, &it, &which_ep);
+
+  if (!found)  // no error if not found
+    return;
+
+  // FIXME if/when we do replicated ports, we may have one-to-many,
+  // or many-to-many bindings.  For now, be paranoid
+  assert(it->d_ep[which_ep^1].component_name() == comp_name2);
+  assert(it->d_ep[which_ep^1].port_name() == port_name2);
+
+  d_connections.erase(it);             // Poof!
+}
+
+void
+mb_conn_table::disconnect_component(const std::string component_name)
+{
+  mb_conn_iter next;
+  mb_conn_iter end = d_connections.end();
+  for (mb_conn_iter it = d_connections.begin(); it != end; it = next){
+    if (it->d_ep[0].component_name() == component_name
+       || it->d_ep[1].component_name() == component_name)
+      next = d_connections.erase(it);  // Poof!
+    else
+      next = ++it;
+  }
+}
+
+void
+mb_conn_table::disconnect_all()
+{
+  d_connections.clear();               // All gone!
+}
+
+int
+mb_conn_table::nconnections() const
+{
+  return d_connections.size();
+}