1 #include "DVBConfigParser.hh"
2 #include <boost/assign/std/map.hpp>
3 #include "senf/Utils/Exception.hh"
4 #include "senf/Utils/Logger.hh"
8 senf::DVBConfigParser::DVBParams const senf::DVBConfigParser::params;
10 prefix_ senf::DVBConfigParser::DVBParams::DVBParams()
13 boost::assign::insert(inversion)
14 ( "INVERSION_OFF", INVERSION_OFF )
15 ( "INVERSION_ON", INVERSION_ON )
16 ( "INVERSION_AUTO", INVERSION_AUTO );
17 boost::assign::insert(bandwidth)
18 ( "BANDWIDTH_6_MHZ", BANDWIDTH_6_MHZ)
19 ( "BANDWIDTH_7_MHZ", BANDWIDTH_7_MHZ)
20 ( "BANDWIDTH_8_MHZ", BANDWIDTH_8_MHZ);
21 boost::assign::insert(code_rate)
30 ( "FEC_AUTO", FEC_AUTO)
31 ( "FEC_NONE", FEC_NONE);
32 boost::assign::insert(guard_interval)
33 ( "GUARD_INTERVAL_1_16", GUARD_INTERVAL_1_16)
34 ( "GUARD_INTERVAL_1_32", GUARD_INTERVAL_1_32)
35 ( "GUARD_INTERVAL_1_4", GUARD_INTERVAL_1_4)
36 ( "GUARD_INTERVAL_1_8", GUARD_INTERVAL_1_8);
37 boost::assign::insert(hierarchy)
38 ( "HIERARCHY_1", HIERARCHY_1)
39 ( "HIERARCHY_2", HIERARCHY_2)
40 ( "HIERARCHY_4", HIERARCHY_4)
41 ( "HIERARCHY_NONE", HIERARCHY_NONE);
42 boost::assign::insert(modulation)
49 boost::assign::insert(transmit_mode)
50 ( "TRANSMISSION_MODE_2K", TRANSMISSION_MODE_2K)
51 ( "TRANSMISSION_MODE_8K", TRANSMISSION_MODE_8K);
54 senf::DVBConfigParser::DVBConfigParser(fe_type_t type_, const string & configFilePath_) :
58 initConfigFile(configFilePath_);
61 senf::DVBConfigParser::~DVBConfigParser()
65 prefix_ void senf::DVBConfigParser::initConfigFile(string configFilePath_){
66 if (configFilePath_.size() == 0) {
67 if ( !(::getenv ("HOME")) )
68 SENF_THROW_SYSTEM_EXCEPTION("$HOME not set! You need it to use default configfile.");
69 string configPath(::getenv ("HOME"));
72 configPath += string("/.szap/channels.conf");
75 configPath += string("/.czap/channels.conf");
78 configPath += string("/.tzap/channels.conf");
81 SENF_THROW_SYSTEM_EXCEPTION("Could not determine type of card.");
83 configFilePath_ = configPath;
85 configFile.open( configFilePath.c_str(), ios_base::in);
87 SENF_LOG((senf::log::IMPORTANT) ("Could not open channels file"<< configFilePath << "." ));
90 prefix_ string senf::DVBConfigParser::getConfigLine(string channel)
94 transform(channel.begin(), channel.end(), channel.begin(), ::toupper);
96 configFile.open( configFilePath.c_str(), ios_base::in);
98 SENF_THROW_SYSTEM_EXCEPTION("Could not read channels file: ") << configFilePath << ".";
101 while (configFile.good()){
102 getline( configFile, configLine );
103 SENF_LOG((senf::log::NOTICE) ("configLine: " << configLine ));
104 transform(configLine.begin(), configLine.end(), configLine.begin(), ::toupper);
105 pos = configLine.find(channel);
107 if(pos != string::npos && pos == 0){ // only first matching number should be interpreted as channel number
109 return configLine; // Line found!
113 SENF_THROW_SYSTEM_EXCEPTION("Channel \"")<< channel << "\" not found!";
117 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParam(string configLine){
118 struct dvb_frontend_parameters frontend;
119 transform(configLine.begin(), configLine.end(), configLine.begin(), ::toupper);
120 boost::char_separator<char> sep(":");
121 tokenizer tokens(configLine, sep);
124 frontend = getFrontendParamDVB_S(tokens);
127 frontend = getFrontendParamDVB_C(tokens);
130 frontend = getFrontendParamDVB_T(tokens);
133 SENF_THROW_SYSTEM_EXCEPTION("Could not determine type of card.");
138 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_T( const tokenizer & tokens){
140 struct dvb_frontend_parameters frontend;
143 enum { p_Frequency=1, p_Inversion, p_Bandwidth, p_hp_code_rate, p_lp_code_rate, p_Mudualtion, p_Transmission, p_guard, p_hierarchy};
144 vector<string> words( tokens.begin(), tokens.end() );
146 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
148 /*if(words.size() < 10)
149 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 10, but there are only: ") << words.size();*/
151 isst.str(words[p_Frequency]);
154 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
155 frontend.frequency = number;
157 if( params.inversion.find(words[p_Inversion]) == params.inversion.end())
158 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
159 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
161 if( params.bandwidth.find(words[p_Bandwidth]) == params.bandwidth.end())
162 SENF_THROW_SYSTEM_EXCEPTION("Cant parse bandwidth");
163 frontend.u.ofdm.bandwidth = params.bandwidth.find(words[p_Bandwidth])->second;
165 if( params.code_rate.find(words[p_hp_code_rate]) == params.code_rate.end())
166 SENF_THROW_SYSTEM_EXCEPTION("Cant parse high priority stream code rate");
167 frontend.u.ofdm.code_rate_HP = params.code_rate.find(words[p_hp_code_rate])->second;
169 if( params.code_rate.find(words[p_lp_code_rate]) == params.code_rate.end())
170 SENF_THROW_SYSTEM_EXCEPTION("Cant parse low priority stream code rate");
171 frontend.u.ofdm.code_rate_LP = params.code_rate.find(words[p_lp_code_rate])->second;
173 if( params.modulation.find(words[p_Mudualtion]) == params.modulation.end())
174 SENF_THROW_SYSTEM_EXCEPTION("Cant parse modulation");
175 frontend.u.ofdm.constellation = params.modulation.find(words[p_Mudualtion])->second;
177 if( params.transmit_mode.find(words[p_Transmission]) == params.transmit_mode.end())
178 SENF_THROW_SYSTEM_EXCEPTION("Cant parse transmission mode");
179 frontend.u.ofdm.transmission_mode = params.transmit_mode.find(words[p_Transmission])->second;
181 if( params.guard_interval.find(words[p_guard]) == params.guard_interval.end())
182 SENF_THROW_SYSTEM_EXCEPTION("Cant parse guard interval");
183 frontend.u.ofdm.guard_interval = params.guard_interval.find(words[p_guard])->second;
185 if( params.hierarchy.find(words[p_hierarchy]) == params.hierarchy.end())
186 SENF_THROW_SYSTEM_EXCEPTION("Cant parse hierarchy");
187 frontend.u.ofdm.hierarchy_information = params.hierarchy.find(words[p_hierarchy])->second;
192 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_S( const tokenizer & tokens){
193 struct dvb_frontend_parameters frontend;
196 enum { p_Frequency=1, p_Inversion, p_Symbole, p_code_rate};
197 vector<string> words( tokens.begin(), tokens.end() ) ;
199 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
202 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 5, but there are only: ") << words.size();
204 isst.str(words[p_Frequency]);
207 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
208 frontend.frequency = number;
210 if (params.inversion.find(words[p_Inversion]) == params.inversion.end())
211 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
212 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
214 isst.str(words[p_Symbole]);
217 SENF_THROW_SYSTEM_EXCEPTION("Cant parse symbole rate");
218 frontend.u.qpsk.symbol_rate = number;
220 if (params.code_rate.find(words[p_code_rate]) == params.code_rate.end())
221 SENF_THROW_SYSTEM_EXCEPTION("Cant parse code rate");
222 frontend.u.qpsk.fec_inner = params.code_rate.find(words[p_code_rate])->second;
227 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_C( const tokenizer & tokens){
228 struct dvb_frontend_parameters frontend;
231 enum { p_Frequency=1, p_Inversion, p_Symbole, p_code_rate, p_modulation};
232 vector<string> words( ++tokens.begin(), tokens.end() ) ;
234 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
237 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 6, but there are only: ") << words.size();
239 isst.str(words[p_Frequency]);
242 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
243 frontend.frequency = number;
245 if (params.inversion.find(words[p_Inversion]) == params.inversion.end())
246 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
247 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
249 isst.str(words[p_Symbole]);
252 SENF_THROW_SYSTEM_EXCEPTION("Cant parse symbole rate");
253 frontend.u.qam.symbol_rate = number;
255 if (params.code_rate.find(words[p_code_rate]) == params.code_rate.end())
256 SENF_THROW_SYSTEM_EXCEPTION("Cant parse code rate");
257 frontend.u.qam.fec_inner = params.code_rate.find(words[p_code_rate])->second;
259 if (params.modulation.find(words[p_modulation]) == params.modulation.end())
260 SENF_THROW_SYSTEM_EXCEPTION("Cant parse modulation");
261 frontend.u.qam.modulation = params.modulation.find(words[p_modulation])->second;