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Added global configuration mechanism and defaultStream support

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This commit is contained in:
Thulinma 2019-10-29 17:15:08 +01:00
parent 50d1d0e944
commit 7bffdfe644
9 changed files with 130 additions and 3 deletions
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34
lib/stream.cpp
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@ -205,12 +205,44 @@ JSON::Value Util::getStreamConfig(const std::string &streamname){
Util::DTSCShmReader rStrmConf(tmpBuf);
DTSC::Scan stream_cfg = rStrmConf.getScan();
if (!stream_cfg){
WARN_MSG("Could not get stream '%s' config!", smp.c_str());
if (!Util::getGlobalConfig("defaultStream")){
WARN_MSG("Could not get stream '%s' config!", smp.c_str());
}else{
INFO_MSG("Could not get stream '%s' config, not emitting WARN message because fallback is configured", smp.c_str());
}
return result;
}
return stream_cfg.asJSON();
}
JSON::Value Util::getGlobalConfig(const std::string &optionName){
IPC::sharedPage globCfg(SHM_GLOBAL_CONF);
if (!globCfg.mapped){
FAIL_MSG("Could not open global configuration options to read setting for '%s'", optionName.c_str());
return JSON::Value();
}
Util::RelAccX cfgData(globCfg.mapped);
if (!cfgData.isReady()){
FAIL_MSG("Global configuration options not ready; cannot read setting for '%s'", optionName.c_str());
return JSON::Value();
}
Util::RelAccXFieldData dataField = cfgData.getFieldData(optionName);
switch (dataField.type & 0xF0){
case RAX_INT:
case RAX_UINT:
//Integer types, return JSON::Value integer
return JSON::Value(cfgData.getInt(dataField));
case RAX_RAW:
case RAX_STRING:
//String types, return JSON::Value string
return JSON::Value(std::string(cfgData.getPointer(dataField), cfgData.getSize(optionName)));
default:
//Unimplemented types
FAIL_MSG("Global configuration setting for '%s' is not an implemented datatype!", optionName.c_str());
return JSON::Value();
}
}
DTSC::Meta Util::getStreamMeta(const std::string &streamname){
DTSC::Meta ret;
char pageId[NAME_BUFFER_SIZE];