diff options
Diffstat (limited to 'gnuradio-core/src/lib/general/gr_nop.cc')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_nop.cc | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/gnuradio-core/src/lib/general/gr_nop.cc b/gnuradio-core/src/lib/general/gr_nop.cc index e69c8b340..bd5e4fd81 100644 --- a/gnuradio-core/src/lib/general/gr_nop.cc +++ b/gnuradio-core/src/lib/general/gr_nop.cc @@ -25,18 +25,30 @@ #endif #include <gr_nop.h> #include <gr_io_signature.h> +#include <boost/bind.hpp> + +gr_nop_sptr +gr_make_nop (size_t sizeof_stream_item) +{ + return gnuradio::get_initial_sptr (new gr_nop (sizeof_stream_item)); +} gr_nop::gr_nop (size_t sizeof_stream_item) : gr_block ("nop", - gr_make_io_signature (0, -1, sizeof_stream_item), - gr_make_io_signature (0, -1, sizeof_stream_item)) + gr_make_io_signature (0, -1, sizeof_stream_item), + gr_make_io_signature (0, -1, sizeof_stream_item)), + d_nmsgs_recvd(0) { + // Arrange to have count_received_msgs called when messages are received. + set_msg_handler(boost::bind(&gr_nop::count_received_msgs, this, _1)); } -gr_block_sptr -gr_make_nop (size_t sizeof_stream_item) +// Trivial message handler that just counts them. +// (N.B., This feature is used in qa_set_msg_handler) +void +gr_nop::count_received_msgs(pmt::pmt_t msg) { - return gnuradio::get_initial_sptr (new gr_nop (sizeof_stream_item)); + d_nmsgs_recvd++; } int @@ -51,5 +63,3 @@ gr_nop::general_work (int noutput_items, return noutput_items; } - - |