tor-android/external/badvpn_dns/client/DPRelay.h

90 lines
3.1 KiB
C

/**
* @file DPRelay.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BADVPN_CLIENT_DPRELAY_H
#define BADVPN_CLIENT_DPRELAY_H
#include <stdint.h>
#include <limits.h>
#include <protocol/scproto.h>
#include <protocol/dataproto.h>
#include <misc/debug.h>
#include <structure/LinkedList1.h>
#include <base/DebugObject.h>
#include <flow/BufferWriter.h>
#include <client/DataProto.h>
struct DPRelay_flow;
typedef struct {
int frame_mtu;
BufferWriter writer;
DataProtoSource dp_source;
struct DPRelay_flow *current_flow;
DebugObject d_obj;
DebugCounter d_ctr;
} DPRelayRouter;
typedef struct {
DPRelayRouter *router;
peerid_t source_id;
LinkedList1 flows_list;
DebugObject d_obj;
} DPRelaySource;
typedef struct {
peerid_t dest_id;
LinkedList1 flows_list;
DataProtoSink *dp_sink;
DebugObject d_obj;
} DPRelaySink;
struct DPRelay_flow {
DPRelaySource *src;
DPRelaySink *sink;
DataProtoFlow dp_flow;
LinkedList1Node src_list_node;
LinkedList1Node sink_list_node;
};
int DPRelayRouter_Init (DPRelayRouter *o, int frame_mtu, BReactor *reactor) WARN_UNUSED;
void DPRelayRouter_Free (DPRelayRouter *o);
void DPRelayRouter_SubmitFrame (DPRelayRouter *o, DPRelaySource *src, DPRelaySink *sink, uint8_t *data, int data_len, int num_packets, int inactivity_time);
void DPRelaySource_Init (DPRelaySource *o, DPRelayRouter *router, peerid_t source_id, BReactor *reactor);
void DPRelaySource_Free (DPRelaySource *o);
void DPRelaySink_Init (DPRelaySink *o, peerid_t dest_id);
void DPRelaySink_Free (DPRelaySink *o);
void DPRelaySink_Attach (DPRelaySink *o, DataProtoSink *dp_sink);
void DPRelaySink_Detach (DPRelaySink *o);
#endif