tor-android/external/badvpn_dns/flow/PacketPassFifoQueue.h

77 lines
3.2 KiB
C

/**
* @file PacketPassFifoQueue.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_PACKETPASSFIFOQUEUE_H
#define BADVPN_PACKETPASSFIFOQUEUE_H
#include <misc/debugcounter.h>
#include <structure/LinkedList1.h>
#include <base/DebugObject.h>
#include <flow/PacketPassInterface.h>
typedef void (*PacketPassFifoQueue_handler_busy) (void *user);
struct PacketPassFifoQueueFlow_s;
typedef struct {
PacketPassInterface *output;
BPendingGroup *pg;
LinkedList1 waiting_flows_list;
struct PacketPassFifoQueueFlow_s *sending_flow;
BPending schedule_job;
int freeing;
DebugCounter d_flows_ctr;
DebugObject d_obj;
} PacketPassFifoQueue;
typedef struct PacketPassFifoQueueFlow_s {
PacketPassFifoQueue *queue;
PacketPassInterface input;
int is_waiting;
LinkedList1Node waiting_flows_list_node;
uint8_t *waiting_data;
int waiting_len;
PacketPassFifoQueue_handler_busy handler_busy;
void *user;
DebugObject d_obj;
} PacketPassFifoQueueFlow;
void PacketPassFifoQueue_Init (PacketPassFifoQueue *o, PacketPassInterface *output, BPendingGroup *pg);
void PacketPassFifoQueue_Free (PacketPassFifoQueue *o);
void PacketPassFifoQueue_PrepareFree (PacketPassFifoQueue *o);
void PacketPassFifoQueueFlow_Init (PacketPassFifoQueueFlow *o, PacketPassFifoQueue *queue);
void PacketPassFifoQueueFlow_Free (PacketPassFifoQueueFlow *o);
void PacketPassFifoQueueFlow_AssertFree (PacketPassFifoQueueFlow *o);
int PacketPassFifoQueueFlow_IsBusy (PacketPassFifoQueueFlow *o);
void PacketPassFifoQueueFlow_SetBusyHandler (PacketPassFifoQueueFlow *o, PacketPassFifoQueue_handler_busy handler_busy, void *user);
PacketPassInterface * PacketPassFifoQueueFlow_GetInput (PacketPassFifoQueueFlow *o);
#endif