log_backend.hpp

#pragma once
 
#include <boost/log/core/record_view.hpp>
#include <boost/log/sinks/basic_sink_backend.hpp>
#include <boost/log/sinks/sync_frontend.hpp>
 
#include <viam/sdk/robot/client.hpp>
 
namespace viam {
namespace sdk {
namespace impl {
 
struct LogBackend;
 
using SinkType = boost::log::sinks::synchronous_sink<LogBackend>;
 
// Log backend which implements sending messages to RDK.
struct LogBackend : boost::log::sinks::basic_sink_backend<boost::log::sinks::synchronized_feeding> {
    LogBackend(RobotClient* p) : parent(p) {}
 
    void consume(const boost::log::record_view&) const;
 
    static boost::shared_ptr<SinkType> create(RobotClient* p);
 
    RobotClient* parent;
};
 
// TBD if we want to expose this to users, but for now it is an implementation detail.
// Disabling console logging is implemented by changing the filter on the console sink to reject all
// messages unless they have a "force" flag set to true.
BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE(attr_console_force, "force", bool);
 
}  // namespace impl
}  // namespace sdk
}  // namespace viam