diff options
Diffstat (limited to 'gnuradio-core')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_random_pdu.cc | 83 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_random_pdu.h | 64 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_random_pdu.i | 30 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block.cc | 7 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block.h | 36 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block_detail.cc | 12 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block_detail.h | 13 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_buffer.cc | 12 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_buffer.h | 9 | ||||
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_tags.h | 5 |
10 files changed, 269 insertions, 2 deletions
diff --git a/gnuradio-core/src/lib/general/gr_random_pdu.cc b/gnuradio-core/src/lib/general/gr_random_pdu.cc new file mode 100644 index 000000000..9f692c72b --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_random_pdu.cc @@ -0,0 +1,83 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gr_random_pdu.h> +#include <gr_io_signature.h> +#include <cstdio> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdexcept> +#include <string.h> +#include <iostream> + +// public constructor that returns a shared_ptr + +gr_random_pdu_sptr +gr_make_random_pdu (int items_min, int items_max) +{ + return gnuradio::get_initial_sptr(new gr_random_pdu(items_min, items_max)); +} + +gr_random_pdu::gr_random_pdu (int items_min, int items_max) + : gr_block("random_pdu", + gr_make_io_signature(0, 0, 0), + gr_make_io_signature(0, 0, 0)), + urange(items_min, items_max), + brange(0, 255), + rvar(rng, urange), + bvar(rng, brange) +{ + message_port_register_out(pmt::mp("pdus")); + message_port_register_in(pmt::mp("generate")); + set_msg_handler(pmt::mp("generate"), boost::bind(&gr_random_pdu::generate_pdu, this, _1)); +} + +bool gr_random_pdu::start(){ + output_random(); + return true; +} + +void gr_random_pdu::output_random(){ + + // pick a random vector length + int len = rvar(); + + // fill it with random bytes + unsigned char vec[len]; + for(int i=0; i<len; i++){ + vec[i] = (unsigned char) bvar(); + } + + // send the vector + pmt::pmt_t vecpmt( pmt::pmt_make_blob( vec, len ) ); + pmt::pmt_t pdu( pmt::pmt_cons( pmt::PMT_NIL, vecpmt ) ); + message_port_pub( pmt::mp("pdus"), pdu ); + + std::cout << "sending new random vector of length " << len << "\n"; +} + diff --git a/gnuradio-core/src/lib/general/gr_random_pdu.h b/gnuradio-core/src/lib/general/gr_random_pdu.h new file mode 100644 index 000000000..e6457d21b --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_random_pdu.h @@ -0,0 +1,64 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012 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. + */ + +#ifndef INCLUDED_GR_RANDOM_PDU_H +#define INCLUDED_GR_RANDOM_PDU_H + +#include <gr_core_api.h> +#include <gr_block.h> +#include <gr_message.h> +#include <gr_msg_queue.h> + +#include <boost/random.hpp> +#include <boost/generator_iterator.hpp> + +class gr_random_pdu; +typedef boost::shared_ptr<gr_random_pdu> gr_random_pdu_sptr; + +GR_CORE_API gr_random_pdu_sptr gr_make_random_pdu (int mintime, int maxtime); + +/*! + * \brief Send message at defined interval + * \ingroup msg_blk + */ +class GR_CORE_API gr_random_pdu : public gr_block +{ + private: + friend GR_CORE_API gr_random_pdu_sptr + gr_make_random_pdu(int mintime, int maxtime); + + void output_random(); + + boost::mt19937 rng; + boost::uniform_int<> urange; + boost::uniform_int<> brange; + boost::variate_generator< boost::mt19937, boost::uniform_int<> > rvar; // pdu length + boost::variate_generator< boost::mt19937, boost::uniform_int<> > bvar; // pdu contents + + public: + gr_random_pdu (int, int); + bool start(); + void generate_pdu(pmt::pmt_t msg){ output_random(); } + void generate_pdu(){ output_random(); } +}; + +#endif /* INCLUDED_GR_RANDOM_PDU_H */ diff --git a/gnuradio-core/src/lib/general/gr_random_pdu.i b/gnuradio-core/src/lib/general/gr_random_pdu.i new file mode 100644 index 000000000..045a33060 --- /dev/null +++ b/gnuradio-core/src/lib/general/gr_random_pdu.i @@ -0,0 +1,30 @@ +/* -*- c++ -*- */ +/* + * Copyright 2005 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. + */ + +GR_SWIG_BLOCK_MAGIC(gr,random_pdu); + +%{ +#include <gr_random_pdu.h> +%} + +%include "gr_random_pdu.h" + diff --git a/gnuradio-core/src/lib/runtime/gr_block.cc b/gnuradio-core/src/lib/runtime/gr_block.cc index 43aebf0bf..5ba30955f 100644 --- a/gnuradio-core/src/lib/runtime/gr_block.cc +++ b/gnuradio-core/src/lib/runtime/gr_block.cc @@ -187,6 +187,13 @@ gr_block::add_item_tag(unsigned int which_output, } void +gr_block::remove_item_tag(unsigned int which_input, + const gr_tag_t &tag) +{ + d_detail->remove_item_tag(which_input, tag); +} + +void gr_block::get_tags_in_range(std::vector<gr_tag_t> &v, unsigned int which_output, uint64_t start, uint64_t end) diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h index 57e3fda90..7a70bdaf0 100644 --- a/gnuradio-core/src/lib/runtime/gr_block.h +++ b/gnuradio-core/src/lib/runtime/gr_block.h @@ -416,6 +416,42 @@ class GR_CORE_API gr_block : public gr_basic_block { void add_item_tag(unsigned int which_output, const gr_tag_t &tag); /*! + * \brief Removes a tag from the given input buffer. + * + * \param which_input an integer of which input stream to remove the tag from + * \param abs_offset a uint64 number of the absolute item number + * assicated with the tag. Can get from nitems_written. + * \param key the tag key as a PMT symbol + * \param value any PMT holding any value for the given key + * \param srcid optional source ID specifier; defaults to PMT_F + * + * If no such tag is found, does nothing. + */ + inline void remove_item_tag(unsigned int which_input, + uint64_t abs_offset, + const pmt::pmt_t &key, + const pmt::pmt_t &value, + const pmt::pmt_t &srcid=pmt::PMT_F) + { + gr_tag_t tag; + tag.offset = abs_offset; + tag.key = key; + tag.value = value; + tag.srcid = srcid; + this->remove_item_tag(which_input, tag); + } + + /*! + * \brief Removes a tag from the given input buffer. + * + * If no such tag is found, does nothing. + * + * \param which_input an integer of which input stream to remove the tag from + * \param tag the tag object to remove + */ + void remove_item_tag(unsigned int which_input, const gr_tag_t &tag); + + /*! * \brief Given a [start,end), returns a vector of all tags in the range. * * Range of counts is from start to end-1. diff --git a/gnuradio-core/src/lib/runtime/gr_block_detail.cc b/gnuradio-core/src/lib/runtime/gr_block_detail.cc index 337c9518e..c65493473 100644 --- a/gnuradio-core/src/lib/runtime/gr_block_detail.cc +++ b/gnuradio-core/src/lib/runtime/gr_block_detail.cc @@ -156,6 +156,18 @@ gr_block_detail::add_item_tag(unsigned int which_output, const gr_tag_t &tag) } void +gr_block_detail::remove_item_tag(unsigned int which_input, const gr_tag_t &tag) +{ + if(!pmt_is_symbol(tag.key)) { + throw pmt_wrong_type("gr_block_detail::add_item_tag key", tag.key); + } + else { + // Add tag to gr_buffer's deque tags + d_input[which_input]->buffer()->remove_item_tag(tag); + } +} + +void gr_block_detail::get_tags_in_range(std::vector<gr_tag_t> &v, unsigned int which_input, uint64_t abs_start, diff --git a/gnuradio-core/src/lib/runtime/gr_block_detail.h b/gnuradio-core/src/lib/runtime/gr_block_detail.h index 16d9f4d42..af00ea7c7 100644 --- a/gnuradio-core/src/lib/runtime/gr_block_detail.h +++ b/gnuradio-core/src/lib/runtime/gr_block_detail.h @@ -95,8 +95,7 @@ class GR_CORE_API gr_block_detail { /*! * \brief Adds a new tag to the given output stream. * - * This takes the input parameters and builds a PMT tuple - * from it. It then calls gr_buffer::add_item_tag(pmt::pmt_t t), + * Calls gr_buffer::add_item_tag(), * which appends the tag onto its deque. * * \param which_output an integer of which output stream to attach the tag @@ -105,6 +104,16 @@ class GR_CORE_API gr_block_detail { void add_item_tag(unsigned int which_output, const gr_tag_t &tag); /*! + * \brief Removes a tag from the given input stream. + * + * Calls gr_buffer::remove_item_tag(), which removes the tag from its deque. + * + * \param which_input an integer of which input stream to remove the tag from + * \param tag the tag object to add + */ + void remove_item_tag(unsigned int which_input, const gr_tag_t &tag); + + /*! * \brief Given a [start,end), returns a vector of all tags in the range. * * Pass-through function to gr_buffer_reader to get a vector of tags diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.cc b/gnuradio-core/src/lib/runtime/gr_buffer.cc index b923ca57a..369959d65 100644 --- a/gnuradio-core/src/lib/runtime/gr_buffer.cc +++ b/gnuradio-core/src/lib/runtime/gr_buffer.cc @@ -234,6 +234,18 @@ gr_buffer::add_item_tag(const gr_tag_t &tag) } void +gr_buffer::remove_item_tag(const gr_tag_t &tag) +{ + gruel::scoped_lock guard(*mutex()); + for (std::deque<gr_tag_t>::iterator it = d_item_tags.begin(); it != d_item_tags.end(); ++it) { + if (*it == tag) { + d_item_tags.erase(it); + break; + } + } +} + +void gr_buffer::prune_tags(uint64_t max_time) { /* NOTE: this function _should_ lock the mutex before editing diff --git a/gnuradio-core/src/lib/runtime/gr_buffer.h b/gnuradio-core/src/lib/runtime/gr_buffer.h index 67d48fb2d..28ea97726 100644 --- a/gnuradio-core/src/lib/runtime/gr_buffer.h +++ b/gnuradio-core/src/lib/runtime/gr_buffer.h @@ -103,6 +103,15 @@ class GR_CORE_API gr_buffer { void add_item_tag(const gr_tag_t &tag); /*! + * \brief Removes an existing tag from the buffer. + * + * If no such tag is found, does nothing. + * + * \param tag the tag that needs to be removed + */ + void remove_item_tag(const gr_tag_t &tag); + + /*! * \brief Removes all tags before \p max_time from buffer * * \param max_time the time (item number) to trim up until. diff --git a/gnuradio-core/src/lib/runtime/gr_tags.h b/gnuradio-core/src/lib/runtime/gr_tags.h index 8bffcd0fe..a9ca90235 100644 --- a/gnuradio-core/src/lib/runtime/gr_tags.h +++ b/gnuradio-core/src/lib/runtime/gr_tags.h @@ -45,6 +45,11 @@ struct GR_CORE_API gr_tag_t{ ){ return x.offset < y.offset; } + + inline bool operator == (const gr_tag_t &t) const + { + return (t.key == key) && (t.value == value) && (t.srcid == srcid) && (t.offset == offset); + } }; #endif /*INCLUDED_GR_TAGS_H*/ |