73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/**
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* @file SCKeepaliveSource.h
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @section DESCRIPTION
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*
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* A {@link PacketRecvInterface} source which provides SCProto keepalive packets.
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*/
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#ifndef BADVPN_SCKEEPALIVESOURCE_H
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#define BADVPN_SCKEEPALIVESOURCE_H
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#include <base/DebugObject.h>
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#include <flow/PacketRecvInterface.h>
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/**
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* A {@link PacketRecvInterface} source which provides SCProto keepalive packets.
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*/
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typedef struct {
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DebugObject d_obj;
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PacketRecvInterface output;
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} SCKeepaliveSource;
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/**
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* Initializes the object.
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*
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* @param o the object
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* @param pg pending group
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*/
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void SCKeepaliveSource_Init (SCKeepaliveSource *o, BPendingGroup *pg);
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/**
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* Frees the object.
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*
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* @param o the object
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*/
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void SCKeepaliveSource_Free (SCKeepaliveSource *o);
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/**
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* Returns the output interface.
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* The MTU of the output interface will be sizeof(struct sc_header).
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*
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* @param o the object
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* @return output interface
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*/
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PacketRecvInterface * SCKeepaliveSource_GetOutput (SCKeepaliveSource *o);
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#endif
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