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/**
* Copyright (c) 2022, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lnav_events_hh
#define lnav_events_hh
#include <sqlite3.h>
#include "yajlpp/yajlpp_def.hh"
namespace lnav {
namespace events {
namespace file {
struct open {
std::string o_filename;
std::string o_schema{SCHEMA_ID};
static const std::string SCHEMA_ID;
static const typed_json_path_container<open> handlers;
};
struct format_detected {
std::string fd_filename;
std::string fd_format;
std::string fd_schema{SCHEMA_ID};
static const std::string SCHEMA_ID;
static const typed_json_path_container<format_detected> handlers;
};
} // namespace file
namespace log {
struct msg_detected {
std::string md_watch_name;
std::string md_filename;
std::string md_format;
uint32_t md_line_number;
std::string md_timestamp;
std::map<std::string, json_any_t> md_values;
std::string md_schema{SCHEMA_ID};
static const std::string SCHEMA_ID;
static const typed_json_path_container<msg_detected> handlers;
};
} // namespace log
namespace session {
struct loaded {
std::string l_schema{SCHEMA_ID};
static const std::string SCHEMA_ID;
static const typed_json_path_container<loaded> handlers;
};
} // namespace session
int register_events_tab(sqlite3* db);
namespace details {
void publish(sqlite3* db, const std::string& content);
} // namespace details
template<typename T>
void
publish(sqlite3* db, T event)
{
auto serialized = T::handlers.to_string(event);
details::publish(db, serialized);
}
template<typename T, typename F>
void
publish(sqlite3* db, const T& container, F func)
{
auto_mem<char> errmsg(sqlite3_free);
if (sqlite3_exec(db, "BEGIN TRANSACTION", nullptr, nullptr, errmsg.out())
!= SQLITE_OK)
{
log_error("unable to start event transaction: %s", errmsg.in());
}
for (const auto& elem : container) {
publish(db, func(elem));
}
if (sqlite3_exec(db, "COMMIT TRANSACTION", nullptr, nullptr, errmsg.out())
!= SQLITE_OK)
{
log_error("unable to commit event transaction: %s", errmsg.in());
}
}
} // namespace events
} // namespace lnav
#endif
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