X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=vrt%2Flib%2Frx.cc;fp=vrt%2Flib%2Frx.cc;h=0000000000000000000000000000000000000000;hb=62f8c06058435ed3e16f20327bb07bd29e4d8386;hp=2d741e908f668bc8960b65c6e6fb9d109bf5e463;hpb=c5b28091c915891d0a5556bcadb8f491a6689024;p=debian%2Fgnuradio diff --git a/vrt/lib/rx.cc b/vrt/lib/rx.cc deleted file mode 100644 index 2d741e90..00000000 --- a/vrt/lib/rx.cc +++ /dev/null @@ -1,124 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2009 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 -#endif -#include -#include -#include "socket_rx_buffer.h" -#include "data_handler.h" -#include -#include -#include - -static void -print_words(FILE *fp, size_t offset, const uint32_t *buf, size_t n) -{ - size_t i; - for (i = 0; i < n; i++){ - if (i % 4 == 0){ - fprintf(fp, "%04zx:", i); - } - - putc(' ', fp); - fprintf(fp, "%08x", buf[i]); - if (i % 4 == 3) - putc('\n', fp); - } - - putc('\n', fp); -} - - - -namespace vrt { - - rx::sptr - rx::make(int socket_fd, size_t rx_bufsize) - { - return sptr(new rx(socket_fd, rx_bufsize)); - } - - rx::rx(int socket_fd, size_t rx_bufsize) - : d_socket_fd(socket_fd), - d_srb(new socket_rx_buffer(socket_fd, rx_bufsize)) - { - } - - rx::~rx() - { - delete d_srb; - ::close(d_socket_fd); - } - - - class vrt_data_handler : public data_handler - { - rx_packet_handler *d_handler; - - public: - vrt_data_handler(rx_packet_handler *handler) - : d_handler(handler){} - - ~vrt_data_handler(); - - result operator()(const void *base, size_t len); - }; - - vrt_data_handler::~vrt_data_handler(){} - - // N.B., There may be more than 1 VRT packet in a frame (usually IF-Context packets) - data_handler::result - vrt_data_handler::operator()(const void *base, size_t len) - { - const uint32_t *word_base = (const uint32_t *) base; - size_t word_len = len/(sizeof(uint32_t)); - - bool want_more = true; - while (word_len > 0 && want_more){ - const uint32_t *payload; - size_t n32_bit_words; - expanded_header hdr; - if (!expanded_header::parse(word_base, word_len, - &hdr, &payload, &n32_bit_words)){ - if (1){ - fprintf(stderr, "vrt_data_handler: malformed VRT packet!\n"); - print_words(stderr, 0, word_base, word_len); - } - return 0; - } - want_more = (*d_handler)(payload, n32_bit_words, &hdr); - word_base += hdr.pkt_size(); - word_len -= hdr.pkt_size(); - } - return !want_more ? data_handler::DONE : 0; - } - - - bool - rx::rx_packets(rx_packet_handler *handler, bool dont_wait) - { - vrt_data_handler h(handler); - socket_rx_buffer::result r = d_srb->rx_frames(&h, dont_wait ? 0 : -1); - return r == socket_rx_buffer::EB_OK || r == socket_rx_buffer::EB_WOULD_BLOCK; - } - -}; // vrt