From 0f641e009eccc0c79adc07938db22ea3978e60a5 Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Sat, 3 Sep 2016 08:31:37 -0700
Subject: blocks: remove old style message queue blocks
---
gr-blocks/lib/message_source_impl.cc | 151 -----------------------------------
1 file changed, 151 deletions(-)
delete mode 100644 gr-blocks/lib/message_source_impl.cc
(limited to 'gr-blocks/lib/message_source_impl.cc')
diff --git a/gr-blocks/lib/message_source_impl.cc b/gr-blocks/lib/message_source_impl.cc
deleted file mode 100644
index b4e9ba6ed7..0000000000
--- a/gr-blocks/lib/message_source_impl.cc
+++ /dev/null
@@ -1,151 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2005,2010,2013 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "message_source_impl.h"
-#include <gnuradio/io_signature.h>
-#include <cstdio>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdexcept>
-#include <string.h>
-
-namespace gr {
- namespace blocks {
-
- message_source::sptr
- message_source::make(size_t itemsize, int msgq_limit)
- {
- return gnuradio::get_initial_sptr
- (new message_source_impl(itemsize, msgq_limit));
- }
-
- message_source::sptr
- message_source::make(size_t itemsize, msg_queue::sptr msgq)
- {
- return gnuradio::get_initial_sptr
- (new message_source_impl(itemsize, msgq));
- }
-
- message_source::sptr
- message_source::make(size_t itemsize, msg_queue::sptr msgq,
- const std::string& lengthtagname)
- {
- return gnuradio::get_initial_sptr
- (new message_source_impl(itemsize, msgq, lengthtagname));
- }
-
- message_source_impl::message_source_impl(size_t itemsize, int msgq_limit)
- : sync_block("message_source",
- io_signature::make(0, 0, 0),
- io_signature::make(1, 1, itemsize)),
- d_itemsize(itemsize), d_msgq(msg_queue::make(msgq_limit)),
- d_msg_offset(0), d_eof(false), d_tags(false)
- {
- }
-
- message_source_impl::message_source_impl(size_t itemsize, msg_queue::sptr msgq)
- : sync_block("message_source",
- io_signature::make(0, 0, 0),
- io_signature::make(1, 1, itemsize)),
- d_itemsize(itemsize), d_msgq(msgq),
- d_msg_offset(0), d_eof(false), d_tags(false)
- {
- }
-
- message_source_impl::message_source_impl(size_t itemsize, msg_queue::sptr msgq,
- const std::string& lengthtagname)
- : sync_block("message_source",
- io_signature::make(0, 0, 0),
- io_signature::make(1, 1, itemsize)),
- d_itemsize(itemsize), d_msgq(msgq), d_msg_offset(0), d_eof(false),
- d_tags(true), d_lengthtagname(lengthtagname)
- {
- }
-
- message_source_impl::~message_source_impl()
- {
- }
-
- int
- message_source_impl::work(int noutput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items)
- {
- char *out = (char*)output_items[0];
- int nn = 0;
-
- while(nn < noutput_items) {
- if (d_msg){
- //
- // Consume whatever we can from the current message
- //
- int mm = std::min(noutput_items - nn, (int)((d_msg->length() - d_msg_offset) / d_itemsize));
- memcpy (out, &(d_msg->msg()[d_msg_offset]), mm * d_itemsize);
-
- if (d_tags && (d_msg_offset == 0)) {
- const uint64_t offset = this->nitems_written(0) + nn;
- pmt::pmt_t key = pmt::string_to_symbol(d_lengthtagname);
- pmt::pmt_t value = pmt::from_long(d_msg->length());
- this->add_item_tag(0, offset, key, value);
- }
- nn += mm;
- out += mm * d_itemsize;
- d_msg_offset += mm * d_itemsize;
- assert(d_msg_offset <= d_msg->length());
-
- if (d_msg_offset == d_msg->length()){
- if (d_msg->type() == 1) // type == 1 sets EOF
- d_eof = true;
- d_msg.reset();
- }
- }
- else {
- //
- // No current message
- //
- if (d_msgq->empty_p() && nn > 0){ // no more messages in the queue, return what we've got
- break;
- }
-
- if (d_eof)
- return -1;
-
- d_msg = d_msgq->delete_head(); // block, waiting for a message
- d_msg_offset = 0;
-
- if ((d_msg->length() % d_itemsize) != 0)
- throw std::runtime_error("msg length is not a multiple of d_itemsize");
- }
-
- }
-
- return nn;
- }
-
- } /* namespace blocks */
-} /* namespace gr */
--
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