1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright 2006 Serge van den Boom <svdb@stack.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define PORT_WANT_ERRNO
#define NETCONNECTION_INTERNAL
#include "netplay.h"
#include "port.h"
#include "netsend.h"
#include "netconnection.h"
#include "packet.h"
#include "libs/log.h"
#include "libs/net.h"
#include <assert.h>
#include <errno.h>
#include <string.h>
int
sendPacket(NetConnection *conn, Packet *packet) {
ssize_t sendResult;
size_t len;
Socket *socket;
assert(NetConnection_isConnected(conn));
#ifdef NETPLAY_DEBUG
//if (packetType(packet) != PACKET_BATTLEINPUT &&
// packetType(packet) != PACKET_CHECKSUM) {
// // Reporting BattleInput or Checksum would get so spammy that it
// // would slow down the battle.
// log_add(log_Debug, "NETPLAY: [%d] ==> Sending packet of type %s.\n",
// conn->player, packetTypeData[packetType(packet)].name);
//}
#ifdef NETPLAY_DEBUG_FILE
if (conn->debugFile != NULL) {
uio_fprintf(conn->debugFile,
"NETPLAY: [%d] ==> Sending packet of type %s.\n",
conn->player, packetTypeData[packetType(packet)].name);
}
#endif /* NETPLAY_DEBUG_FILE */
#endif /* NETPLAY_DEBUG */
socket = NetDescriptor_getSocket(conn->nd);
len = packetLength(packet);
while (len > 0) {
sendResult = Socket_send(socket, (void *) packet, len, 0);
if (sendResult >= 0) {
len -= sendResult;
continue;
}
switch (errno) {
case EINTR: // System call interrupted, retry;
continue;
case ECONNRESET: { // Connection reset by peer.
// keep errno
return -1;
}
default: {
// Should not happen.
int savedErrno = errno;
log_add(log_Error, "send() failed: %s.\n", strerror(errno));
errno = savedErrno;
return -1;
}
}
}
#ifdef NETPLAY_STATISTICS
NetConnection_getStatistics(conn)->packetsSent++;
NetConnection_getStatistics(conn)->packetTypeSent[packetType(packet)]++;
#endif
return 0;
}
|