BadVPN – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | office | 1 | /** |
2 | * @file SinglePacketSource.c |
||
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 | |||
30 | #include <string.h> |
||
31 | |||
32 | #include <misc/debug.h> |
||
33 | |||
34 | #include "SinglePacketSource.h" |
||
35 | |||
36 | static void output_handler_recv (SinglePacketSource *o, uint8_t *data) |
||
37 | { |
||
38 | DebugObject_Access(&o->d_obj); |
||
39 | |||
40 | // if we already sent one packet, stop |
||
41 | if (o->sent) { |
||
42 | return; |
||
43 | } |
||
44 | |||
45 | // set sent |
||
46 | o->sent = 1; |
||
47 | |||
48 | // write packet |
||
49 | memcpy(data, o->packet, o->packet_len); |
||
50 | |||
51 | // done |
||
52 | PacketRecvInterface_Done(&o->output, o->packet_len); |
||
53 | } |
||
54 | |||
55 | void SinglePacketSource_Init (SinglePacketSource *o, uint8_t *packet, int packet_len, BPendingGroup *pg) |
||
56 | { |
||
57 | ASSERT(packet_len >= 0) |
||
58 | |||
59 | // init arguments |
||
60 | o->packet = packet; |
||
61 | o->packet_len = packet_len; |
||
62 | |||
63 | // set not sent |
||
64 | o->sent = 0; |
||
65 | |||
66 | // init output |
||
67 | PacketRecvInterface_Init(&o->output, o->packet_len, (PacketRecvInterface_handler_recv)output_handler_recv, o, pg); |
||
68 | |||
69 | DebugObject_Init(&o->d_obj); |
||
70 | } |
||
71 | |||
72 | void SinglePacketSource_Free (SinglePacketSource *o) |
||
73 | { |
||
74 | DebugObject_Free(&o->d_obj); |
||
75 | |||
76 | // free output |
||
77 | PacketRecvInterface_Free(&o->output); |
||
78 | } |
||
79 | |||
80 | PacketRecvInterface * SinglePacketSource_GetOutput (SinglePacketSource *o) |
||
81 | { |
||
82 | DebugObject_Access(&o->d_obj); |
||
83 | |||
84 | return &o->output; |
||
85 | } |