2 Copyright 2007 Chris Tallon
4 This file is part of VOMP.
6 VOMP is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 VOMP is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with VOMP; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include "vdrresponsepacket.h"
26 VDR_ResponsePacket::VDR_ResponsePacket()
41 VDR_ResponsePacket::~VDR_ResponsePacket()
43 if (!ownBlock) return; // don't free if it's a getblock
45 if (userData) free(userData);
48 void VDR_ResponsePacket::setResponse(ULONG trequestID, UCHAR* tuserData, ULONG tuserDataLength)
50 channelID = VDR::CHANNEL_REQUEST_RESPONSE;
51 requestID = trequestID;
53 userDataLength = tuserDataLength;
56 void VDR_ResponsePacket::setStream(ULONG tstreamID, ULONG tflag, UCHAR* tuserData, ULONG tuserDataLength, ULONG tchannelID)
58 channelID = tchannelID;
62 userDataLength = tuserDataLength;
65 bool VDR_ResponsePacket::end()
67 return (packetPos >= userDataLength);
70 void VDR_ResponsePacket::dumpUD()
72 TCP::dump(userData, userDataLength);
75 int VDR_ResponsePacket::serverError()
77 if ((packetPos == 0) && (userDataLength == 4) && !ntohl(*(ULONG*)userData)) return 1;
81 std::string VDR_ResponsePacket::extractStdString()
83 if (serverError()) return NULL;
85 int length = strlen((char*)&userData[packetPos]);
86 if ((packetPos + length) > userDataLength) return std::string("");
87 const char * dest_str=(char*)&userData[packetPos];
88 packetPos += length + 1;
92 char* VDR_ResponsePacket::extractString()
94 if (serverError()) return NULL;
96 int length = strlen((char*)&userData[packetPos]);
97 if ((packetPos + length) > userDataLength) return NULL;
98 char* str = new char[length + 1];
99 strcpy(str, (char*)&userData[packetPos]);
100 packetPos += length + 1;
104 UCHAR VDR_ResponsePacket::extractUCHAR()
106 if ((packetPos + sizeof(UCHAR)) > userDataLength) return 0;
107 UCHAR uc = userData[packetPos];
108 packetPos += sizeof(UCHAR);
112 ULONG VDR_ResponsePacket::extractULONG()
114 if ((packetPos + sizeof(ULONG)) > userDataLength) return 0;
115 ULONG ul = userData[packetPos++]<<24;
116 ul|= userData[packetPos++]<<16;
117 ul|= userData[packetPos++]<<8;
118 ul|= userData[packetPos++];
119 //packetPos += sizeof(ULONG);
123 ULLONG VDR_ResponsePacket::extractULLONG()
125 if ((packetPos + sizeof(ULLONG)) > userDataLength) return 0;
126 ULLONG ull= ((ULLONG)userData[packetPos++])<<56;
127 ull|= ((ULLONG)userData[packetPos++])<<48;
128 ull|= ((ULLONG)userData[packetPos++])<<40;
129 ull|= ((ULLONG)userData[packetPos++])<<32;
130 ull|= ((ULLONG)userData[packetPos++])<<24;
131 ull|= ((ULLONG)userData[packetPos++])<<16;
132 ull|= ((ULLONG)userData[packetPos++])<<8;
133 ull|= ((ULLONG)userData[packetPos++]);
137 double VDR_ResponsePacket::extractdouble()
139 if ((packetPos + sizeof(ULLONG)) > userDataLength) return 0;
140 ULLONG ull = extractULLONG();
142 memcpy(&d,&ull,sizeof(double));
146 long VDR_ResponsePacket::extractLONG()
148 if ((packetPos + sizeof(long)) > userDataLength) return 0;
149 long l = userData[packetPos++]<<24;
150 l|= userData[packetPos++]<<16;
151 l|= userData[packetPos++]<<8;
152 l|= userData[packetPos++];
156 UCHAR* VDR_ResponsePacket::getUserData()