source: trunk/libtransmission/tr-utp.c @ 11902

Last change on this file since 11902 was 11902, checked in by jch, 11 years ago

Fix incorrect use of tr_timerAdd.

File size: 2.4 KB
Line 
1/*
2Copyright (c) 2010 by Juliusz Chroboczek
3
4Permission is hereby granted, free of charge, to any person obtaining a copy
5of this software and associated documentation files (the "Software"), to deal
6in the Software without restriction, including without limitation the rights
7to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8copies of the Software, and to permit persons to whom the Software is
9furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20THE SOFTWARE.
21
22*/
23
24#include <unistd.h>
25
26#include <event.h>
27#include "utp.h"
28
29#include "transmission.h"
30#include "net.h"
31#include "session.h"
32#include "crypto.h"
33#include "tr-utp.h"
34
35static struct event *utp_timer = NULL;
36
37static void
38incoming(void *closure UNUSED, struct UTPSocket *s)
39{
40    UTP_Close(s);
41}
42
43static void
44send_to(void *closure, const unsigned char *buf, size_t buflen,
45        const struct sockaddr *to, socklen_t tolen)
46{
47    tr_session *ss = (tr_session*)closure;
48
49    if(to->sa_family == AF_INET && ss->udp_socket)
50        sendto(ss->udp_socket, buf, buflen, 0, to, tolen);
51    else if(to->sa_family == AF_INET6 && ss->udp_socket)
52        sendto(ss->udp6_socket, buf, buflen, 0, to, tolen);
53}
54
55static void
56timer_callback(int s UNUSED, short type UNUSED, void *closure UNUSED)
57{
58    UTP_CheckTimeouts();
59    tr_timerAdd(utp_timer, 1, tr_cryptoWeakRandInt(1000000));
60}
61
62int
63tr_utpPacket(const unsigned char *buf, size_t buflen,
64             const struct sockaddr *from, socklen_t fromlen,
65             tr_session *ss)
66{
67    if(utp_timer == NULL) {
68        utp_timer = tr_new0(struct event, 1);
69        if(utp_timer == NULL)
70            return -1;
71        evtimer_set(utp_timer, timer_callback, NULL);
72        tr_timerAdd(utp_timer, 1, tr_cryptoWeakRandInt(1000000));
73    }
74
75    return UTP_IsIncomingUTP(incoming, send_to, ss,
76                             buf, buflen, from, fromlen);
77}
78
79   
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