| 1 | /* |
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| 2 | * This file Copyright (C) 2008-2010 Mnemosyne LLC |
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| 3 | * |
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| 4 | * This file is licensed by the GPL version 2. Works owned by the |
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| 5 | * Transmission project are granted a special exemption to clause 2(b) |
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| 6 | * so that the bulk of its code can remain under the MIT license. |
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| 7 | * This exemption does not extend to derived works not owned by |
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| 8 | * the Transmission project. |
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| 9 | * |
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| 10 | * $Id: peer-common.h 10694 2010-05-26 15:23:21Z charles $ |
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| 11 | */ |
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| 12 | |
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| 13 | #ifndef __TRANSMISSION__ |
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| 14 | #error only libtransmission should #include this header. |
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| 15 | #endif |
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| 16 | |
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| 17 | #ifndef TR_PEER_H |
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| 18 | #define TR_PEER_H |
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| 19 | |
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| 20 | /** |
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| 21 | * @addtogroup peers Peers |
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| 22 | * @{ |
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| 23 | */ |
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| 24 | |
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| 25 | /** |
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| 26 | *** Fields common to webseed and bittorrent peers |
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| 27 | **/ |
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| 28 | |
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| 29 | #include "transmission.h" |
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| 30 | |
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| 31 | enum |
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| 32 | { |
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| 33 | /** when we're making requests from another peer, |
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| 34 | batch them together to send enough requests to |
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| 35 | meet our bandwidth goals for the next N seconds */ |
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| 36 | REQUEST_BUF_SECS = 10, |
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| 37 | |
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| 38 | /** this is the maximum size of a block request. |
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| 39 | most bittorrent clients will reject requests |
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| 40 | larger than this size. */ |
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| 41 | MAX_BLOCK_SIZE = ( 1024 * 16 ) |
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| 42 | |
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| 43 | }; |
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| 44 | |
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| 45 | typedef enum |
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| 46 | { |
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| 47 | TR_ADDREQ_OK = 0, |
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| 48 | TR_ADDREQ_FULL, |
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| 49 | TR_ADDREQ_DUPLICATE, |
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| 50 | TR_ADDREQ_MISSING, |
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| 51 | TR_ADDREQ_CLIENT_CHOKED |
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| 52 | } |
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| 53 | tr_addreq_t; |
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| 54 | |
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| 55 | /** |
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| 56 | *** Peer Publish / Subscribe |
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| 57 | **/ |
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| 58 | |
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| 59 | typedef enum |
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| 60 | { |
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| 61 | TR_PEER_CLIENT_GOT_BLOCK, |
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| 62 | TR_PEER_CLIENT_GOT_CHOKE, |
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| 63 | TR_PEER_CLIENT_GOT_DATA, |
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| 64 | TR_PEER_CLIENT_GOT_ALLOWED_FAST, |
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| 65 | TR_PEER_CLIENT_GOT_SUGGEST, |
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| 66 | TR_PEER_CLIENT_GOT_PORT, |
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| 67 | TR_PEER_CLIENT_GOT_REJ, |
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| 68 | TR_PEER_PEER_GOT_DATA, |
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| 69 | TR_PEER_PEER_PROGRESS, |
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| 70 | TR_PEER_ERROR |
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| 71 | } |
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| 72 | PeerEventType; |
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| 73 | |
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| 74 | typedef struct |
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| 75 | { |
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| 76 | PeerEventType eventType; |
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| 77 | uint32_t pieceIndex; /* for GOT_BLOCK, CANCEL, ALLOWED, SUGGEST */ |
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| 78 | uint32_t offset; /* for GOT_BLOCK */ |
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| 79 | uint32_t length; /* for GOT_BLOCK + GOT_DATA */ |
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| 80 | float progress; /* for PEER_PROGRESS */ |
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| 81 | int err; /* errno for GOT_ERROR */ |
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| 82 | tr_bool wasPieceData; /* for GOT_DATA */ |
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| 83 | tr_port port; /* for GOT_PORT */ |
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| 84 | } |
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| 85 | tr_peer_event; |
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| 86 | |
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| 87 | #ifdef WIN32 |
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| 88 | #define EMSGSIZE WSAEMSGSIZE |
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| 89 | #endif |
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| 90 | |
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| 91 | /** @} */ |
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| 92 | |
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| 93 | #endif |
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