BadVPN – Blame information for rev 1
?pathlinks?
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | /** |
| 2 | * @file PacketCopier.h |
||
| 3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
||
| 4 | * |
||
| 5 | * @section LICENSE |
||
| 6 | * |
||
| 7 | * Redistribution and use in source and binary forms, with or without |
||
| 8 | * modification, are permitted provided that the following conditions are met: |
||
| 9 | * 1. Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * 3. Neither the name of the author nor the |
||
| 15 | * names of its contributors may be used to endorse or promote products |
||
| 16 | * derived from this software without specific prior written permission. |
||
| 17 | * |
||
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
||
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
||
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
||
| 21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
||
| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||
| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||
| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 28 | * |
||
| 29 | * @section DESCRIPTION |
||
| 30 | * |
||
| 31 | * Object which copies packets. |
||
| 32 | */ |
||
| 33 | |||
| 34 | #ifndef BADVPN_FLOW_PACKETCOPIER_H |
||
| 35 | #define BADVPN_FLOW_PACKETCOPIER_H |
||
| 36 | |||
| 37 | #include <stdint.h> |
||
| 38 | |||
| 39 | #include <flow/PacketPassInterface.h> |
||
| 40 | #include <flow/PacketRecvInterface.h> |
||
| 41 | |||
| 42 | /** |
||
| 43 | * Object which copies packets. |
||
| 44 | * Input is via {@link PacketPassInterface}. |
||
| 45 | * Output is via {@link PacketRecvInterface}. |
||
| 46 | */ |
||
| 47 | typedef struct { |
||
| 48 | DebugObject d_obj; |
||
| 49 | PacketPassInterface input; |
||
| 50 | PacketRecvInterface output; |
||
| 51 | int in_len; |
||
| 52 | uint8_t *in; |
||
| 53 | int out_have; |
||
| 54 | uint8_t *out; |
||
| 55 | } PacketCopier; |
||
| 56 | |||
| 57 | /** |
||
| 58 | * Initializes the object. |
||
| 59 | * |
||
| 60 | * @param o the object |
||
| 61 | * @param mtu maximum packet size. Must be >=0. |
||
| 62 | * @param pg pending group |
||
| 63 | */ |
||
| 64 | void PacketCopier_Init (PacketCopier *o, int mtu, BPendingGroup *pg); |
||
| 65 | |||
| 66 | /** |
||
| 67 | * Frees the object. |
||
| 68 | * |
||
| 69 | * @param o the object |
||
| 70 | */ |
||
| 71 | void PacketCopier_Free (PacketCopier *o); |
||
| 72 | |||
| 73 | /** |
||
| 74 | * Returns the input interface. |
||
| 75 | * The MTU of the interface will as in {@link PacketCopier_Init}. |
||
| 76 | * The interface will support cancel functionality. |
||
| 77 | * |
||
| 78 | * @return input interface |
||
| 79 | */ |
||
| 80 | PacketPassInterface * PacketCopier_GetInput (PacketCopier *o); |
||
| 81 | |||
| 82 | /** |
||
| 83 | * Returns the output interface. |
||
| 84 | * The MTU of the interface will be as in {@link PacketCopier_Init}. |
||
| 85 | * |
||
| 86 | * @return output interface |
||
| 87 | */ |
||
| 88 | PacketRecvInterface * PacketCopier_GetOutput (PacketCopier *o); |
||
| 89 | |||
| 90 | #endif |