BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file PacketStreamSender.h |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | * |
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29 | * @section DESCRIPTION |
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30 | * |
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31 | * Object which forwards packets obtained with {@link PacketPassInterface} |
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32 | * as a stream with {@link StreamPassInterface} (i.e. it concatenates them). |
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33 | */ |
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34 | |||
35 | #ifndef BADVPN_FLOW_PACKETSTREAMSENDER_H |
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36 | #define BADVPN_FLOW_PACKETSTREAMSENDER_H |
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37 | |||
38 | #include <stdint.h> |
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39 | |||
40 | #include <base/DebugObject.h> |
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41 | #include <flow/PacketPassInterface.h> |
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42 | #include <flow/StreamPassInterface.h> |
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43 | |||
44 | /** |
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45 | * Object which forwards packets obtained with {@link PacketPassInterface} |
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46 | * as a stream with {@link StreamPassInterface} (i.e. it concatenates them). |
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47 | */ |
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48 | typedef struct { |
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49 | DebugObject d_obj; |
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50 | PacketPassInterface input; |
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51 | StreamPassInterface *output; |
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52 | int in_len; |
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53 | uint8_t *in; |
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54 | int in_used; |
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55 | } PacketStreamSender; |
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56 | |||
57 | /** |
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58 | * Initializes the object. |
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59 | * |
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60 | * @param s the object |
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61 | * @param output output interface |
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62 | * @param mtu input MTU. Must be >=0. |
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63 | * @param pg pending group |
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64 | */ |
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65 | void PacketStreamSender_Init (PacketStreamSender *s, StreamPassInterface *output, int mtu, BPendingGroup *pg); |
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66 | |||
67 | /** |
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68 | * Frees the object. |
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69 | * |
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70 | * @param s the object |
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71 | */ |
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72 | void PacketStreamSender_Free (PacketStreamSender *s); |
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73 | |||
74 | /** |
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75 | * Returns the input interface. |
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76 | * Its MTU will be as in {@link PacketStreamSender_Init}. |
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77 | * |
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78 | * @param s the object |
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79 | * @return input interface |
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80 | */ |
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81 | PacketPassInterface * PacketStreamSender_GetInput (PacketStreamSender *s); |
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82 | |||
83 | #endif |