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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
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/*
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Serval DNA MDP echo service
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Copyright (C) 2016 Flinders University
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Copyright (C) 2012-2015 Serval Project Inc.
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Copyright (C) 2012 Paul Gardner-Stephen
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "mdp_client.h"
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#include "overlay_packet.h"
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#include "fdqueue.h"
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DEFINE_BINDING(MDP_PORT_ECHO, overlay_mdp_service_echo);
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static int overlay_mdp_service_echo(struct internal_mdp_header *header, struct overlay_buffer *payload)
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{
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IN();
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if (header->source_port == MDP_PORT_ECHO)
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RETURN(WHY("Prevented infinite echo loop"));
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struct internal_mdp_header response_header;
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bzero(&response_header, sizeof response_header);
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mdp_init_response(header, &response_header);
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// keep all defaults
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RETURN(overlay_send_frame(&response_header, payload));
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OUT();
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}
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