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 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