1 files changed, 125 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/error_handler.h b/gnuradio-runtime/include/gnuradio/error_handler.h
new file mode 100644
index 0000000000..2d6a8c3883
--- /dev/null
+++ b/gnuradio-runtime/include/gnuradio/error_handler.h
@@ -0,0 +1,125 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2013 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+/*
+ * This code is based on error.hh from the "Click Modular Router".
+ * Original copyright follows:
+ */
+/*
+ * error.{cc,hh} -- flexible classes for error reporting
+ * Eddie Kohler
+ *
+ * Copyright (c) 1999-2000 Massachusetts Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, subject to the conditions
+ * listed in the Click LICENSE file. These conditions include: you must
+ * preserve this copyright notice, and you cannot mention the copyright
+ * holders in advertising related to the Software without their permission.
+ * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
+ * notice is a summary of the Click LICENSE file; the license in that file is
+ * legally binding.
+ */
+
+#ifndef INCLUDED_GR_ERROR_HANDLER_H
+#define INCLUDED_GR_ERROR_HANDLER_H
+
+#include <gnuradio/api.h>
+#include <stdarg.h>
+#include <string>
+#include <cstdio>  // for FILE
+
+namespace gr {
+
+  /*!
+   * \brief abstract error handler
+   * \ingroup base
+   */
+  class GR_RUNTIME_API error_handler
+  {
+  public:
+    enum seriousness {
+      ERR_DEBUG		= 0x00000000,
+      ERR_MESSAGE	= 0x00010000,
+      ERR_WARNING	= 0x00020000,
+      ERR_ERROR		= 0x00030000,
+      ERR_FATAL		= 0x00040000
+    };
+
+    error_handler() {}
+    virtual ~error_handler();
+
+    static error_handler *default_handler();
+    static error_handler *silent_handler();
+
+    static bool has_default_handler();
+    static void set_default_handler(error_handler *errh);
+
+    void debug(const char *format, ...);
+    void message(const char *format, ...);
+    void warning(const char *format, ...);
+    void error(const char *format, ...);
+    void fatal(const char *format, ...);
+
+    virtual int nwarnings() const = 0;
+    virtual int nerrors() const = 0;
+    virtual void reset_counts() = 0;
+
+    void verror(seriousness s, const char *format, va_list);
+    void verror_text(seriousness s, const std::string &text);
+
+  protected:
+    virtual void count_error(seriousness s) = 0;
+    virtual void handle_text(seriousness s, const std::string &str) = 0;
+    std::string make_text(seriousness s, const char *format, va_list);
+  };
+
+
+  class GR_RUNTIME_API base_error_handler : public error_handler
+  {
+    int d_nwarnings;
+    int d_nerrors;
+
+  public:
+    base_error_handler() : d_nwarnings(0), d_nerrors(0) {}
+    int nwarnings() const { return d_nwarnings; }
+    int nerrors() const   { return d_nerrors; }
+    void reset_counts()   { d_nwarnings = d_nerrors = 0; }
+    void count_error(seriousness s);
+  };
+
+  class GR_RUNTIME_API file_error_handler : public base_error_handler
+  {
+    FILE *d_file;
+    int d_fd;
+
+  public:
+    file_error_handler(FILE *file);
+    file_error_handler(int file_descriptor);
+    ~file_error_handler();
+
+    void handle_text(seriousness s, const std::string &str);
+  };
+
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_ERROR_HANDLER_H */