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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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125
utils/idbdatafile/IDBFactory.cpp
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@ -42,94 +42,97 @@ boost::mutex fac_guard;
namespace idbdatafile
{
IDBFactory::FactoryMap IDBFactory::s_plugins;
bool IDBFactory::installDefaultPlugins()
{
// protect these methods since we are changing our static data structure
boost::mutex::scoped_lock lock( fac_guard );
// protect these methods since we are changing our static data structure
boost::mutex::scoped_lock lock(fac_guard);
s_plugins[IDBDataFile::BUFFERED] = FileFactoryEnt(IDBDataFile::BUFFERED, "buffered", new BufferedFileFactory(), new PosixFileSystem());
s_plugins[IDBDataFile::UNBUFFERED] = FileFactoryEnt(IDBDataFile::UNBUFFERED, "unbuffered", new UnbufferedFileFactory(), new PosixFileSystem());
// TODO: use the installPlugin fcn below instead of declaring this statically, then remove the dependency
// IDBDatafile -> cloudio
//s_plugins[IDBDataFile::CLOUD] = FileFactoryEnt(IDBDataFile::CLOUD, "cloud", new SMFileFactory(), new SMFileSystem());
return false;
s_plugins[IDBDataFile::BUFFERED] =
FileFactoryEnt(IDBDataFile::BUFFERED, "buffered", new BufferedFileFactory(), new PosixFileSystem());
s_plugins[IDBDataFile::UNBUFFERED] = FileFactoryEnt(IDBDataFile::UNBUFFERED, "unbuffered",
new UnbufferedFileFactory(), new PosixFileSystem());
// TODO: use the installPlugin fcn below instead of declaring this statically, then remove the dependency
// IDBDatafile -> cloudio
// s_plugins[IDBDataFile::CLOUD] = FileFactoryEnt(IDBDataFile::CLOUD, "cloud", new SMFileFactory(), new
// SMFileSystem());
return false;
}
bool IDBFactory::installPlugin(const std::string& plugin)
{
#ifdef _MSC_VER
ostringstream oss;
oss << "InfiniDB for Windows does not support plugins: plugin = " << plugin;
throw std::runtime_error(oss.str());
ostringstream oss;
oss << "InfiniDB for Windows does not support plugins: plugin = " << plugin;
throw std::runtime_error(oss.str());
#else
// protect these methods since we are changing our static data structure
boost::mutex::scoped_lock lock( fac_guard );
// protect these methods since we are changing our static data structure
boost::mutex::scoped_lock lock(fac_guard);
void* handle = dlopen(plugin.c_str(), RTLD_LAZY);
if ( handle == NULL )
{
std::ostringstream oss;
oss << "IDBFactory::installPlugin: dlopen for " << plugin << " failed: " << dlerror();
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_ERROR);
return false;
}
void* functor = dlsym(handle, "plugin_instance");
if ( functor == NULL )
{
std::ostringstream oss;
oss << "IDBFactory::installPlugin: dlsym for plugin_instance() failed. plugin " << plugin << dlerror();
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_ERROR);
return false;
}
FileFactoryEnt ent = (*(FileFactoryEntryFunc)functor)();
s_plugins[ent.type] = ent;
void* handle = dlopen(plugin.c_str(), RTLD_LAZY);
if (handle == NULL)
{
std::ostringstream oss;
oss << "IDBFactory::installPlugin: installed filesystem plugin " << plugin;
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_DEBUG);
return true;
oss << "IDBFactory::installPlugin: dlopen for " << plugin << " failed: " << dlerror();
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_ERROR);
return false;
}
void* functor = dlsym(handle, "plugin_instance");
if (functor == NULL)
{
std::ostringstream oss;
oss << "IDBFactory::installPlugin: dlsym for plugin_instance() failed. plugin " << plugin << dlerror();
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_ERROR);
return false;
}
FileFactoryEnt ent = (*(FileFactoryEntryFunc)functor)();
s_plugins[ent.type] = ent;
std::ostringstream oss;
oss << "IDBFactory::installPlugin: installed filesystem plugin " << plugin;
IDBLogger::syslog(oss.str(), logging::LOG_TYPE_DEBUG);
return true;
#endif
}
vector<IDBDataFile::Types> IDBFactory::listPlugins()
{
vector<IDBDataFile::Types> ret;
for (FactoryMap::iterator it = s_plugins.begin(); it != s_plugins.end(); ++it)
ret.push_back(it->first);
return ret;
vector<IDBDataFile::Types> ret;
for (FactoryMap::iterator it = s_plugins.begin(); it != s_plugins.end(); ++it)
ret.push_back(it->first);
return ret;
}
IDBDataFile* IDBFactory::open(IDBDataFile::Types type, const char* fname, const char* mode, unsigned opts, unsigned colWidth)
IDBDataFile* IDBFactory::open(IDBDataFile::Types type, const char* fname, const char* mode, unsigned opts,
unsigned colWidth)
{
if ( s_plugins.find(type) == s_plugins.end() )
{
ostringstream oss;
oss << "Cannot find factory plugin type " << (int) type << " to open file: " << fname;
throw std::runtime_error(oss.str());
}
if (s_plugins.find(type) == s_plugins.end())
{
ostringstream oss;
oss << "Cannot find factory plugin type " << (int)type << " to open file: " << fname;
throw std::runtime_error(oss.str());
}
return s_plugins[type].factory->open(fname, mode, opts, colWidth);
return s_plugins[type].factory->open(fname, mode, opts, colWidth);
}
IDBFileSystem& IDBFactory::getFs(IDBDataFile::Types type)
{
if ( s_plugins.find(type) == s_plugins.end() )
{
ostringstream oss;
oss << "Cannot find filesystem for plugin type " << (int) type;
throw std::runtime_error(oss.str());
}
if (s_plugins.find(type) == s_plugins.end())
{
ostringstream oss;
oss << "Cannot find filesystem for plugin type " << (int)type;
throw std::runtime_error(oss.str());
}
return *(s_plugins[type].filesystem);
return *(s_plugins[type].filesystem);
}
}
} // namespace idbdatafile