1 /*******************************************************************************
2 * Copyright (C) 2004-2008 Intel Corp. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * - Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * - Neither the name of Intel Corp. nor the names of its
15 * contributors may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL Intel Corp. OR THE CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *******************************************************************************/
30
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34
35 #if defined(__sun) || defined(_LINUX)
36 #include <arpa/inet.h>
37 #include <netinet/in.h>
38 #else
39 #include <winsock2.h>
40 #endif // __sun || _LINUX
41
42 #include <cerrno>
43 #include "Protocol.h"
44 #include "LMS_if_compat.h"
45 #include "Lock.h"
46 #include "ATNetworkTool.h"
47
_LmeReceiveCompat(char * buffer,unsigned int len,int * status)48 void Protocol::_LmeReceiveCompat(char *buffer, unsigned int len, int *status)
49 {
50 int error = 0;
51
52 PRINT("[Compat]HECI receive %d bytes (msg type 0x%02x)\n", len, buffer[0]);
53 *status = 0;
54
55 switch (buffer[0]) {
56 case LMS_MESSAGE_TYPE_OPEN_CONNECTION_EX:
57 {
58 SOCKET s_new = INVALID_SOCKET;
59 LMS_OPEN_CONNECTION_EX_MESSAGE *msg =
60 (LMS_OPEN_CONNECTION_EX_MESSAGE *)buffer;
61
62 int type;
63 switch (msg->Protocol) {
64 case LMS_PROTOCOL_TYPE_UDP_IPV4:
65 type = SOCK_DGRAM;
66 break;
67 case LMS_PROTOCOL_TYPE_TCP_IPV4:
68 default:
69 type = SOCK_STREAM;
70 break;
71 }
72
73 if ((msg->Flags & HOSTNAME_BIT) != 0) {
74 PRINT("[Compat]Got client connection request %d for host %s, port %d\n",
75 msg->ConnectionId,
76 msg->Host,
77 ntohs(msg->HostPort));
78
79 s_new = ATNetworkTool::Connect(
80 (const char *)msg->Host,
81 ntohs(msg->HostPort),
82 error, PF_INET, type);
83 } else {
84 PRINT("[Compat]Got client connection request %d for IP %s, port %d\n",
85 msg->ConnectionId,
86 inet_ntoa(*((struct in_addr *)msg->Host)),
87 ntohs(msg->HostPort));
88
89 s_new = ATNetworkTool::Connect(
90 inet_ntoa(*((struct in_addr *)msg->Host)),
91 ntohs(msg->HostPort),
92 error, PF_INET, type);
93 }
94
95 if (s_new == INVALID_SOCKET) {
96 *status = 1;
97 break;
98 }
99
100 Channel *c = new Channel(NULL, s_new);
101 c->SetRecipientChannel(msg->ConnectionId);
102 c->SetStatus(Channel::OPEN);
103 c->AddBytesTxWindow(1024);
104 {
105 Lock l(_channelsLock);
106 _openChannels[msg->ConnectionId] = c;
107 }
108
109 _signalSelect();
110 }
111 break;
112
113 case LMS_MESSAGE_TYPE_CLOSE_CONNECTION:
114 {
115 LMS_CLOSE_CONNECTION_MESSAGE *msg =
116 (LMS_CLOSE_CONNECTION_MESSAGE *)buffer;
117
118 PRINT("[Compat]received close connection msg from HECI for connection %d\n", msg->ConnectionId);
119
120 Lock l(_channelsLock);
121
122 ChannelMap::iterator it = _openChannels.find(msg->ConnectionId);
123 if (it != _openChannels.end()) {
124 _closeMChannel(it->second);
125 _openChannels.erase(it);
126 }
127 }
128 break;
129
130 case LMS_MESSAGE_TYPE_SEND_DATA:
131 {
132 LMS_SEND_DATA_MESSAGE *msg =
133 (LMS_SEND_DATA_MESSAGE *)buffer;
134
135 Lock l(_channelsLock);
136
137 ChannelMap::iterator it = _openChannels.find(msg->ConnectionId);
138 if (it != _openChannels.end()) {
139 PRINT("[Compat]sending %d bytes from HECI connection %d to socket %d\n", ntohs(msg->DataLength), msg->ConnectionId, it->second->GetSocket());
140 if (-1 == _send(it->second->GetSocket(), (char *)msg->Data, ntohs(msg->DataLength), error)) {
141 if (EPIPE == error) {
142 _closeMChannel(it->second);
143 _openChannels.erase(it);
144 *status = 1;
145 }
146 }
147 }
148 }
149 break;
150
151 case LMS_MESSAGE_TYPE_IP_FQDN:
152 if (_updateIPFQDN((const char *)((LMS_IP_FQDN_MESSAGE *)buffer)->FQDN) != 0) {
153 ERROR("[Compat]Error: failed to update IP/FQDN info\n");
154 }
155 break;
156
157 default:
158 *status = 1;
159 break;
160 }
161 }
162
163