LeOS-Genesis/external/badvpn/client/DPReceive.h

99 lines
3.7 KiB
C
Raw Normal View History

2020-10-05 13:12:00 +02:00
/**
* @file DPReceive.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.
*
* @section DESCRIPTION
*
* Receive processing for the VPN client.
*/
#ifndef BADVPN_CLIENT_DPRECEIVE_H
#define BADVPN_CLIENT_DPRECEIVE_H
#include <protocol/scproto.h>
#include <misc/debugcounter.h>
#include <misc/debug.h>
#include <structure/LinkedList1.h>
#include <base/DebugObject.h>
#include <client/DataProto.h>
#include <client/DPRelay.h>
#include <client/FrameDecider.h>
typedef void (*DPReceiveDevice_output_func) (void *output_user, uint8_t *data, int data_len);
struct DPReceiveReceiver_s;
typedef struct {
int device_mtu;
DPReceiveDevice_output_func output_func;
void *output_func_user;
BReactor *reactor;
int relay_flow_buffer_size;
int relay_flow_inactivity_time;
int packet_mtu;
DPRelayRouter relay_router;
int have_peer_id;
peerid_t peer_id;
LinkedList1 peers_list;
DebugObject d_obj;
} DPReceiveDevice;
typedef struct {
DPReceiveDevice *device;
peerid_t peer_id;
FrameDeciderPeer *decider_peer;
int is_relay_client;
DPRelaySource relay_source;
DPRelaySink relay_sink;
DataProtoSink *dp_sink;
LinkedList1Node list_node;
DebugObject d_obj;
DebugCounter d_receivers_ctr;
} DPReceivePeer;
typedef struct DPReceiveReceiver_s {
DPReceivePeer *peer;
DPReceiveDevice *device;
PacketPassInterface recv_if;
DebugObject d_obj;
} DPReceiveReceiver;
int DPReceiveDevice_Init (DPReceiveDevice *o, int device_mtu, DPReceiveDevice_output_func output_func, void *output_func_user, BReactor *reactor, int relay_flow_buffer_size, int relay_flow_inactivity_time) WARN_UNUSED;
void DPReceiveDevice_Free (DPReceiveDevice *o);
void DPReceiveDevice_SetPeerID (DPReceiveDevice *o, peerid_t peer_id);
void DPReceivePeer_Init (DPReceivePeer *o, DPReceiveDevice *device, peerid_t peer_id, FrameDeciderPeer *decider_peer, int is_relay_client);
void DPReceivePeer_Free (DPReceivePeer *o);
void DPReceivePeer_AttachSink (DPReceivePeer *o, DataProtoSink *dp_sink);
void DPReceivePeer_DetachSink (DPReceivePeer *o);
void DPReceiveReceiver_Init (DPReceiveReceiver *o, DPReceivePeer *peer);
void DPReceiveReceiver_Free (DPReceiveReceiver *o);
PacketPassInterface * DPReceiveReceiver_GetInput (DPReceiveReceiver *o);
#endif