1 #include "DVBConfigParser.hh"
2 #include <boost/assign/std/map.hpp>
3 #include "../../../Utils/Exception.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_THROW_SYSTEM_EXCEPTION("Could not read configfile: ") << configFilePath_ << ".";
89 prefix_ string senf::DVBConfigParser::getConfigLine(string channel)
93 transform(channel.begin(), channel.end(), channel.begin(), ::toupper);
95 SENF_THROW_SYSTEM_EXCEPTION("Could not read file.");
96 while (configFile.good()){
97 getline( configFile, configLine );
98 transform(configLine.begin(), configLine.end(), configLine.begin(), ::toupper);
99 pos = configLine.find(channel);
101 if(pos != string::npos && pos == 0){ // only first matching number should be interpreted as channel number
103 return configLine; // Line found!
106 SENF_THROW_SYSTEM_EXCEPTION("Channel \"")<< channel << "\" not found!";
110 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParam(string configLine){
111 struct dvb_frontend_parameters frontend;
112 transform(configLine.begin(), configLine.end(), configLine.begin(), ::toupper);
113 boost::char_separator<char> sep(":");
114 tokenizer tokens(configLine, sep);
117 frontend = getFrontendParamDVB_S(tokens);
120 frontend = getFrontendParamDVB_C(tokens);
123 frontend = getFrontendParamDVB_T(tokens);
126 SENF_THROW_SYSTEM_EXCEPTION("Could not determine type of card.");
131 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_T( const tokenizer & tokens){
133 struct dvb_frontend_parameters frontend;
136 enum { p_Frequency=1, p_Inversion, p_Bandwidth, p_hp_code_rate, p_lp_code_rate, p_Mudualtion, p_Transmission, p_guard, p_hierarchy};
137 vector<string> words( tokens.begin(), tokens.end() );
139 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
141 /*if(words.size() < 10)
142 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 10, but there are only: ") << words.size();*/
144 isst.str(words[p_Frequency]);
147 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
148 frontend.frequency = number;
150 if( params.inversion.find(words[p_Inversion]) == params.inversion.end())
151 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
152 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
154 if( params.bandwidth.find(words[p_Bandwidth]) == params.bandwidth.end())
155 SENF_THROW_SYSTEM_EXCEPTION("Cant parse bandwidth");
156 frontend.u.ofdm.bandwidth = params.bandwidth.find(words[p_Bandwidth])->second;
158 if( params.code_rate.find(words[p_hp_code_rate]) == params.code_rate.end())
159 SENF_THROW_SYSTEM_EXCEPTION("Cant parse high priority stream code rate");
160 frontend.u.ofdm.code_rate_HP = params.code_rate.find(words[p_hp_code_rate])->second;
162 if( params.code_rate.find(words[p_lp_code_rate]) == params.code_rate.end())
163 SENF_THROW_SYSTEM_EXCEPTION("Cant parse low priority stream code rate");
164 frontend.u.ofdm.code_rate_LP = params.code_rate.find(words[p_lp_code_rate])->second;
166 if( params.modulation.find(words[p_Mudualtion]) == params.modulation.end())
167 SENF_THROW_SYSTEM_EXCEPTION("Cant parse modulation");
168 frontend.u.ofdm.constellation = params.modulation.find(words[p_Mudualtion])->second;
170 if( params.transmit_mode.find(words[p_Transmission]) == params.transmit_mode.end())
171 SENF_THROW_SYSTEM_EXCEPTION("Cant parse transmission mode");
172 frontend.u.ofdm.transmission_mode = params.transmit_mode.find(words[p_Transmission])->second;
174 if( params.guard_interval.find(words[p_guard]) == params.guard_interval.end())
175 SENF_THROW_SYSTEM_EXCEPTION("Cant parse guard interval");
176 frontend.u.ofdm.guard_interval = params.guard_interval.find(words[p_guard])->second;
178 if( params.hierarchy.find(words[p_hierarchy]) == params.hierarchy.end())
179 SENF_THROW_SYSTEM_EXCEPTION("Cant parse hierarchy");
180 frontend.u.ofdm.hierarchy_information = params.hierarchy.find(words[p_hierarchy])->second;
185 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_S( const tokenizer & tokens){
186 struct dvb_frontend_parameters frontend;
189 enum { p_Frequency=1, p_Inversion, p_Symbole, p_code_rate};
190 vector<string> words( tokens.begin(), tokens.end() ) ;
192 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
195 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 5, but there are only: ") << words.size();
197 isst.str(words[p_Frequency]);
200 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
201 frontend.frequency = number;
203 if (params.inversion.find(words[p_Inversion]) == params.inversion.end())
204 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
205 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
207 isst.str(words[p_Symbole]);
210 SENF_THROW_SYSTEM_EXCEPTION("Cant parse symbole rate");
211 frontend.u.qpsk.symbol_rate = number;
213 if (params.code_rate.find(words[p_code_rate]) == params.code_rate.end())
214 SENF_THROW_SYSTEM_EXCEPTION("Cant parse code rate");
215 frontend.u.qpsk.fec_inner = params.code_rate.find(words[p_code_rate])->second;
220 prefix_ dvb_frontend_parameters senf::DVBConfigParser::getFrontendParamDVB_C( const tokenizer & tokens){
221 struct dvb_frontend_parameters frontend;
224 enum { p_Frequency=1, p_Inversion, p_Symbole, p_code_rate, p_modulation};
225 vector<string> words( ++tokens.begin(), tokens.end() ) ;
227 ::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
230 SENF_THROW_SYSTEM_EXCEPTION("Too few arguments! There must be at least 6, but there are only: ") << words.size();
232 isst.str(words[p_Frequency]);
235 SENF_THROW_SYSTEM_EXCEPTION("Cant parse frequency");
236 frontend.frequency = number;
238 if (params.inversion.find(words[p_Inversion]) == params.inversion.end())
239 SENF_THROW_SYSTEM_EXCEPTION("Cant parse inversion");
240 frontend.inversion = params.inversion.find(words[p_Inversion])->second;
242 isst.str(words[p_Symbole]);
245 SENF_THROW_SYSTEM_EXCEPTION("Cant parse symbole rate");
246 frontend.u.qam.symbol_rate = number;
248 if (params.code_rate.find(words[p_code_rate]) == params.code_rate.end())
249 SENF_THROW_SYSTEM_EXCEPTION("Cant parse code rate");
250 frontend.u.qam.fec_inner = params.code_rate.find(words[p_code_rate])->second;
252 if (params.modulation.find(words[p_modulation]) == params.modulation.end())
253 SENF_THROW_SYSTEM_EXCEPTION("Cant parse modulation");
254 frontend.u.qam.modulation = params.modulation.find(words[p_modulation])->second;