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Diffstat (limited to 'vrt/include/vrt/rx_packet_handler.h')
-rw-r--r-- | vrt/include/vrt/rx_packet_handler.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/vrt/include/vrt/rx_packet_handler.h b/vrt/include/vrt/rx_packet_handler.h new file mode 100644 index 000000000..ad3407813 --- /dev/null +++ b/vrt/include/vrt/rx_packet_handler.h @@ -0,0 +1,62 @@ +/* -*- 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. + */ +#ifndef INCLUDED_VRT_RX_PACKET_HANDLER_H +#define INCLUDED_VRT_RX_PACKET_HANDLER_H + +#include <vrt/expanded_header.h> +#include <stddef.h> + +namespace vrt { + + /*! + * \brief Abstract function object called to handle received VRT packets. + * + * An object derived from this class is passed to vrt_rx_udp::rx_packets + * to process the received packets. + */ + class rx_packet_handler { + public: + virtual ~rx_packet_handler(); + + /*! + * \param payload points to the first 32-bit word of the payload field. + * \param n32_bit_words is the number of 32-bit words in the payload field. + * \param hdr is the expanded version of the mandatory and optional header fields (& trailer). + * + * \p payload points to the raw payload section of the packet received off + * the wire. The data is network-endian (aka big-endian) 32-bit integers. + * + * This is the general purpose, low level interface and relies on other + * functions to handle all required endian-swapping and format conversion + * of the payload. \sa FIXME. + * + * \returns true if the object wants to be called again with new data; + * false if no additional data is wanted. + */ + virtual bool operator()(const uint32_t *payload, + size_t n32_bit_words, + const expanded_header *hdr); + }; + +}; // vrt + + +#endif /* INCLUDED_VRT_RX_PACKET_HANDLER_H */ |