Imported Upstream version 3.2.2

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

diff --git a/mblock/src/lib/mb_protocol_class.cc b/mblock/src/lib/mb_protocol_class.cc
new file mode 100644 (file)
index 0000000..f076909
--- /dev/null
+++ b/mblock/src/lib/mb_protocol_class.cc
@@ -0,0 +1,105 @@
+/* -*- 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 <mblock/protocol_class.h>
+#include <iostream>
+
+static pmt_t s_ALL_PROTOCOL_CLASSES = PMT_NIL;
+
+pmt_t 
+mb_make_protocol_class(pmt_t name, pmt_t incoming, pmt_t outgoing)
+{
+  // (protocol-class <name> <incoming> <outgoing>)
+
+  if (!pmt_is_symbol(name))
+    throw pmt_wrong_type("mb_make_protocol_class: NAME must be symbol", name);
+  if (!(pmt_is_pair(incoming) || pmt_is_null(incoming)))
+    throw pmt_wrong_type("mb_make_protocol_class: INCOMING must be a list", name);
+  if (!(pmt_is_pair(outgoing) || pmt_is_null(outgoing)))
+    throw pmt_wrong_type("mb_make_protocol_class: OUTGOING must be a list", name);
+
+  pmt_t t = pmt_cons(pmt_intern("protocol-class"),
+                    pmt_cons(name,
+                             pmt_cons(incoming,
+                                      pmt_cons(outgoing, PMT_NIL))));
+
+  // Remember this protocol class.
+  s_ALL_PROTOCOL_CLASSES = pmt_cons(t, s_ALL_PROTOCOL_CLASSES);
+  return t;
+}
+
+pmt_t
+mb_protocol_class_name(pmt_t pc)
+{
+  return pmt_nth(1, pc);
+}
+
+pmt_t
+mb_protocol_class_incoming(pmt_t pc)
+{
+  return pmt_nth(2, pc);
+}
+
+pmt_t
+mb_protocol_class_outgoing(pmt_t pc)
+{
+  return pmt_nth(3, pc);
+}
+
+pmt_t
+mb_protocol_class_lookup(pmt_t name)
+{
+  pmt_t lst = s_ALL_PROTOCOL_CLASSES;
+
+  while (pmt_is_pair(lst)){
+    if (pmt_eq(name, mb_protocol_class_name(pmt_car(lst))))
+      return pmt_car(lst);
+    lst = pmt_cdr(lst);
+  }
+
+  return PMT_NIL;
+}
+
+mb_protocol_class_init::mb_protocol_class_init(const char *data, size_t len)
+{
+  std::stringbuf sb;
+  sb.str(std::string(data, len));
+
+  while (1){
+    pmt_t obj = pmt_deserialize(sb);
+
+    if (0){
+      pmt_write(obj, std::cout);
+      std::cout << std::endl;
+    }
+
+    if (pmt_is_eof_object(obj))
+      return;
+
+    mb_make_protocol_class(pmt_nth(0, obj),   // protocol-class name
+                          pmt_nth(1, obj),   // list of incoming msg names
+                          pmt_nth(2, obj));  // list of outgoing msg names
+  }
+}