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#pragma once
#include <set>
#include <cereal/access.hpp>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/server.hpp>
#include "config.h"
#include "dump_manager.hpp"
namespace phosphor
{
namespace dump
{
namespace elog
{
using IMgr = phosphor::dump::internal::Manager;
using EId = uint32_t;
using ElogList = std::set<EId>;
/** @class Watch
* @brief Adds d-bus signal based watch for elog add and delete.
* @details This implements methods for watching for InternalFailure
* type error message and call appropriate function to initiate dump
*/
class Watch
{
public:
Watch() = delete;
~Watch() = default;
Watch(const Watch&) = delete;
Watch& operator=(const Watch&) = delete;
Watch(Watch&&) = default;
Watch& operator=(Watch&&) = default;
/** @brief constructs watch for elog add and delete signals.
* @param[in] bus - The Dbus bus object
* @param[in] intMgr - Dump internal Manager object
*/
Watch(sdbusplus::bus::bus& bus, IMgr& iMgr);
private:
friend class cereal::access;
/** @brief Function required by Cereal to perform serialization.
* @tparam Archive - Cereal archive type (binary in our case).
* @param[in] a - reference to Cereal archive.
* @param[in] version - Class version that enables handling
* a serialized data across code levels
*/
template<class Archive>
void serialize(Archive& a, const std::uint32_t version)
{
a(elogList);
//TODO: openbmc/phosphor-debug-collector#1
// Split into load/save so that it enables
// version compare during serialization
}
/** @brief Callback function for error log add.
* @details InternalError type error message initiates
* Internal error type dump request.
* @param[in] msg - Data associated with subscribed signal
*/
void addCallback(sdbusplus::message::message& msg);
/** @brief Callback function for error log delete.
* @param[in] msg - Data associated with subscribed signal
*/
void delCallback(sdbusplus::message::message& msg);
/** @brief get elog ID from elog entry object string.
* @param[in] objectPath - elog entry object path.
* @return - elog id.
*/
inline EId getEid(const std::string& objectPath)
{
fs::path path(objectPath);
return std::stoul(path.filename());
}
/** @brief Dump internal Manager object. */
IMgr& iMgr;
/** @brief sdbusplus signal match for elog add */
sdbusplus::bus::match_t addMatch;
/** @brief sdbusplus signal match for elog delete */
sdbusplus::bus::match_t delMatch;
/** @brief List of elog ids, which have associated dumps created */
ElogList elogList;
};
}//namespace elog
}//namespace dump
}//namespace phosphor
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