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1 | office | 1 | /** |
2 | * @file FastPacketSource.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 | |||
30 | #ifndef _FASTPACKETSOURCE_H |
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31 | #define _FASTPACKETSOURCE_H |
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32 | |||
33 | #include <stdint.h> |
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34 | #include <string.h> |
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35 | |||
36 | #include <misc/debug.h> |
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37 | #include <base/DebugObject.h> |
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38 | #include <flow/PacketPassInterface.h> |
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39 | |||
40 | typedef struct { |
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41 | PacketPassInterface *output; |
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42 | int psize; |
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43 | uint8_t *data; |
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44 | int data_len; |
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45 | DebugObject d_obj; |
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46 | } FastPacketSource; |
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47 | |||
48 | static void _FastPacketSource_output_handler_done (FastPacketSource *s) |
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49 | { |
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50 | DebugObject_Access(&s->d_obj); |
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51 | |||
52 | PacketPassInterface_Sender_Send(s->output, s->data, s->data_len); |
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53 | } |
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54 | |||
55 | static void FastPacketSource_Init (FastPacketSource *s, PacketPassInterface *output, uint8_t *data, int data_len, BPendingGroup *pg) |
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56 | { |
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57 | ASSERT(data_len >= 0) |
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58 | ASSERT(data_len <= PacketPassInterface_GetMTU(output)); |
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59 | |||
60 | // init arguments |
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61 | s->output = output; |
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62 | s->data = data; |
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63 | s->data_len = data_len; |
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64 | |||
65 | // init output |
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66 | PacketPassInterface_Sender_Init(s->output, (PacketPassInterface_handler_done)_FastPacketSource_output_handler_done, s); |
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67 | |||
68 | // schedule send |
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69 | PacketPassInterface_Sender_Send(s->output, s->data, s->data_len); |
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70 | |||
71 | DebugObject_Init(&s->d_obj); |
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72 | } |
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73 | |||
74 | static void FastPacketSource_Free (FastPacketSource *s) |
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75 | { |
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76 | DebugObject_Free(&s->d_obj); |
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77 | } |
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78 | |||
79 | #endif |