transmission/libtransmission/peer-mgr-private.h

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/*
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* This file Copyright (C) 2007-2008 Charles Kerr <charles@rebelbase.com>
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#ifndef TR_PEER_MGR_PRIVATE_H
#define TR_PEER_MGR_PRIVATE_H
#include <inttypes.h> /* uint16_t */
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#ifdef WIN32
#include <winsock2.h> /* struct in_addr */
#else
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#include <netinet/in.h> /* struct in_addr */
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#endif
#include "publish.h" /* tr_publisher_tag */
struct tr_bitfield;
struct tr_peerIo;
struct tr_peermsgs;
enum
{
ENCRYPTION_PREFERENCE_UNKNOWN,
ENCRYPTION_PREFERENCE_YES,
ENCRYPTION_PREFERENCE_NO
};
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/**
*** The "SWIFT" system is described by Karthik Tamilmani,
*** Vinay Pai, and Alexander Mohr of Stony Brook University
*** in their paper "SWIFT: A System With Incentives For Trading"
*** http://citeseer.ist.psu.edu/tamilmani04swift.html
***
*** More SWIFT constants are defined in peer-mgr.c
**/
/**
* Use SWIFT?
*/
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static const int SWIFT_ENABLED = 0;
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/**
* For every byte the peer uploads to us,
* allow them to download this many bytes from us
*/
static const double SWIFT_REPAYMENT_RATIO = 1.33;
typedef struct tr_peer
{
unsigned int peerIsChoked : 1;
unsigned int peerIsInterested : 1;
unsigned int clientIsChoked : 1;
unsigned int clientIsInterested : 1;
unsigned int doPurge : 1;
/* number of bad pieces they've contributed to */
uint8_t strikes;
uint8_t encryption_preference;
uint16_t port;
struct in_addr in_addr;
struct tr_peerIo * io;
struct tr_bitfield * banned;
struct tr_bitfield * blame;
struct tr_bitfield * have;
float progress;
/* the client name from the `v' string in LTEP's handshake dictionary */
char * client;
time_t peerSentPieceDataAt;
time_t chokeChangedAt;
time_t pieceDataActivityDate;
struct tr_peermsgs * msgs;
tr_publisher_tag msgsTag;
struct tr_ratecontrol * rcToClient;
struct tr_ratecontrol * rcToPeer;
double rateToClient;
double rateToPeer;
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int64_t credit;
}
tr_peer;
#endif