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