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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