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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "base/context.hpp"
#include <boost/thread/tss.hpp>
#include <iostream>
#include <sstream>
#include <utility>
using namespace icinga;
static boost::thread_specific_ptr<std::vector<std::function<void(std::ostream&)>>> l_Frames;
ContextFrame::ContextFrame(std::function<void(std::ostream&)> message)
{
GetFrames().emplace_back(std::move(message));
}
ContextFrame::~ContextFrame()
{
GetFrames().pop_back();
}
std::vector<std::function<void(std::ostream&)>>& ContextFrame::GetFrames()
{
if (!l_Frames.get())
l_Frames.reset(new std::vector<std::function<void(std::ostream&)>>());
return *l_Frames;
}
ContextTrace::ContextTrace()
{
for (auto frame (ContextFrame::GetFrames().rbegin()); frame != ContextFrame::GetFrames().rend(); ++frame) {
std::ostringstream oss;
(*frame)(oss);
m_Frames.emplace_back(oss.str());
}
}
void ContextTrace::Print(std::ostream& fp) const
{
if (m_Frames.empty())
return;
fp << "\n";
int i = 0;
for (const String& frame : m_Frames) {
fp << "\t(" << i << ") " << frame << "\n";
i++;
}
}
size_t ContextTrace::GetLength() const
{
return m_Frames.size();
}
std::ostream& icinga::operator<<(std::ostream& stream, const ContextTrace& trace)
{
trace.Print(stream);
return stream;
}
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