transmission/libtransmission/peer-io.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_IO_H
#define TR_PEER_IO_H
/**
***
**/
struct in_addr;
struct evbuffer;
struct bufferevent;
struct tr_handle;
struct tr_crypto;
typedef struct tr_peerIo tr_peerIo;
/**
***
**/
tr_peerIo* tr_peerIoNewOutgoing(
struct tr_handle * session,
const struct in_addr * addr,
int port,
const uint8_t *
torrentHash );
tr_peerIo* tr_peerIoNewIncoming( struct tr_handle * session,
const struct in_addr * addr,
uint16_t port,
int socket );
void tr_peerIoFree( tr_peerIo * io );
tr_session* tr_peerIoGetSession( tr_peerIo * io );
/**
***
**/
void tr_peerIoEnableLTEP( tr_peerIo * io,
int flag );
void tr_peerIoEnableFEXT( tr_peerIo * io,
int flag );
int tr_peerIoSupportsLTEP( const tr_peerIo * io );
int tr_peerIoSupportsFEXT( const tr_peerIo * io );
/**
***
**/
const char* tr_peerIoAddrStr( const struct in_addr * addr,
uint16_t port );
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const char* tr_peerIoGetAddrStr( const tr_peerIo * io );
const struct in_addr*tr_peerIoGetAddress( const tr_peerIo * io,
uint16_t * port );
const uint8_t* tr_peerIoGetTorrentHash( tr_peerIo * io );
int tr_peerIoHasTorrentHash( const tr_peerIo * io );
void tr_peerIoSetTorrentHash( tr_peerIo * io,
const uint8_t * hash );
int tr_peerIoReconnect( tr_peerIo * io );
int tr_peerIoIsIncoming( const tr_peerIo * io );
void tr_peerIoSetTimeoutSecs( tr_peerIo * io,
int secs );
int tr_peerIoGetAge( const tr_peerIo * io );
/**
***
**/
void tr_peerIoSetPeersId( tr_peerIo * io,
const uint8_t * peer_id );
const uint8_t* tr_peerIoGetPeersId( const tr_peerIo * io );
/**
***
**/
typedef enum
{
READ_NOW,
READ_LATER,
READ_ERR
}
ReadState;
typedef ReadState ( *tr_can_read_cb )( struct bufferevent*, void* user_data );
typedef void ( *tr_did_write_cb )( struct bufferevent *, void * );
typedef void ( *tr_net_error_cb )( struct bufferevent *, short what, void * );
void tr_peerIoSetIOFuncs( tr_peerIo * io,
tr_can_read_cb readcb,
tr_did_write_cb writecb,
tr_net_error_cb errcb,
void * user_data );
int tr_peerIoWantsBandwidth( const tr_peerIo * io,
tr_direction );
#if 0
void tr_peerIoTryRead( tr_peerIo * io );
#endif
void tr_peerIoWrite( tr_peerIo * io,
const void * writeme,
size_t writemeLen );
void tr_peerIoWriteBuf( tr_peerIo * io,
struct evbuffer * buf );
/**
***
**/
struct tr_crypto* tr_peerIoGetCrypto( tr_peerIo * io );
typedef enum
{
/* these match the values in MSE's crypto_select */
PEER_ENCRYPTION_NONE = ( 1 << 0 ),
PEER_ENCRYPTION_RC4 = ( 1 << 1 )
}
EncryptionMode;
void tr_peerIoSetEncryption( tr_peerIo * io,
int encryptionMode );
int tr_peerIoIsEncrypted( const tr_peerIo * io );
void tr_peerIoWriteBytes( tr_peerIo * io,
struct evbuffer * outbuf,
const void * bytes,
size_t byteCount );
void tr_peerIoWriteUint8( tr_peerIo * io,
struct evbuffer * outbuf,
uint8_t writeme );
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void tr_peerIoWriteUint16( tr_peerIo * io,
struct evbuffer * outbuf,
uint16_t writeme );
void tr_peerIoWriteUint32( tr_peerIo * io,
struct evbuffer * outbuf,
uint32_t writeme );
void tr_peerIoReadBytes( tr_peerIo * io,
struct evbuffer * inbuf,
void * bytes,
size_t byteCount );
void tr_peerIoReadUint8( tr_peerIo * io,
struct evbuffer * inbuf,
uint8_t * setme );
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void tr_peerIoReadUint16( tr_peerIo * io,
struct evbuffer * inbuf,
uint16_t * setme );
void tr_peerIoReadUint32( tr_peerIo * io,
struct evbuffer * inbuf,
uint32_t * setme );
void tr_peerIoDrain( tr_peerIo * io,
struct evbuffer * inbuf,
size_t byteCount );
/**
***
**/
size_t tr_peerIoGetBandwidthUsed( const tr_peerIo * io,
tr_direction direction );
size_t tr_peerIoGetBandwidthLeft( const tr_peerIo * io,
tr_direction direction );
size_t tr_peerIoGetWriteBufferSpace( const tr_peerIo * io );
void tr_peerIoSetBandwidth( tr_peerIo * io,
tr_direction direction,
size_t bytesLeft );
void tr_peerIoSetBandwidthUnlimited( tr_peerIo * io,
tr_direction direction );
double tr_peerIoGetRateToClient( const tr_peerIo * io );
double tr_peerIoGetRateToPeer( const tr_peerIo * io );
#endif