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/*
* Copyright (C) 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <syncevo/EDSClient.h>
#include <config.h>
#if defined(HAVE_EDS) && defined(USE_EDS_CLIENT)
#include <boost/bind.hpp>
#include <syncevo/declarations.h>
SE_BEGIN_CXX
EDSRegistryLoader &EDSRegistryLoader::singleton()
{
static EDSRegistryLoader self;
return self;
}
void EDSRegistryLoader::getESourceRegistryAsync(const Callback_t &cb)
{
singleton().async(cb);
}
void EDSRegistryLoader::async(const Callback_t &cb)
{
if (m_registry || m_gerror) {
cb(m_registry, m_gerror);
} else {
m_pending.push_back(cb);
m_loading = true;
SYNCEVO_GLIB_CALL_ASYNC(e_source_registry_new,
boost::bind(&EDSRegistryLoader::created,
this,
_1, _2),
NULL);
}
}
ESourceRegistryCXX EDSRegistryLoader::getESourceRegistry()
{
return singleton().sync();
}
ESourceRegistryCXX EDSRegistryLoader::sync()
{
if (!m_loading) {
m_loading = true;
SYNCEVO_GLIB_CALL_ASYNC(e_source_registry_new,
boost::bind(&EDSRegistryLoader::created,
this,
_1, _2),
NULL);
}
while (true) {
if (m_registry) {
return m_registry;
}
if (m_gerror) {
m_gerror.throwError("creating source registry");
}
// Only master thread can drive the event processing.
if (g_main_context_is_owner(g_main_context_default())) {
g_main_context_iteration(NULL, true);
} else {
Sleep(0.1);
}
}
}
void EDSRegistryLoader::created(ESourceRegistry *registry, const GError *gerror) throw ()
{
try {
m_registry = ESourceRegistryCXX::steal(registry);
m_gerror = gerror;
BOOST_FOREACH (const Callback_t &cb, m_pending) {
cb(m_registry, m_gerror);
}
} catch (...) {
Exception::handle(HANDLE_EXCEPTION_FATAL);
}
}
SE_END_CXX
#endif // HAVE_EDS && USE_EDS_CLIENT
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