mirror of https://github.com/tstack/lnav.git
119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/**
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* Copyright (c) 2020, 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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#include "top_status_source.hh"
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#include <sqlite3.h>
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#include "base/injector.hh"
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#include "bound_tags.hh"
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#include "config.h"
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#include "lnav_config.hh"
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#include "logfile_sub_source.hh"
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#include "sql_util.hh"
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#include "sqlitepp.client.hh"
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top_status_source::top_status_source()
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{
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this->tss_fields[TSF_TIME].set_width(28);
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this->tss_fields[TSF_TIME].set_role(role_t::VCR_STATUS_INFO);
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this->tss_fields[TSF_USER_MSG].set_share(1);
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this->tss_fields[TSF_USER_MSG].right_justify(true);
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this->tss_fields[TSF_USER_MSG].set_role(role_t::VCR_STATUS_INFO);
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}
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void
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top_status_source::update_time(const timeval& current_time)
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{
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auto& sf = this->tss_fields[TSF_TIME];
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char buffer[32];
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buffer[0] = ' ';
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strftime(&buffer[1],
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sizeof(buffer) - 1,
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lnav_config.lc_ui_clock_format.c_str(),
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localtime(¤t_time.tv_sec));
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sf.set_value(buffer);
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}
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void
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top_status_source::update_time()
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{
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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this->update_time(tv);
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}
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static const char* MSG_QUERY = R"(
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SELECT message FROM lnav_user_notifications
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WHERE message IS NOT NULL AND
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(expiration IS NULL OR expiration > datetime('now')) AND
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(views IS NULL OR
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json_contains(views, (SELECT name FROM lnav_top_view)))
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ORDER BY priority DESC
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LIMIT 1
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)";
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struct user_msg_stmt {
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user_msg_stmt()
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: ums_stmt(
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prepare_stmt(injector::get<auto_mem<sqlite3, sqlite_close_wrapper>&,
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sqlite_db_tag>()
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.in(),
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MSG_QUERY)
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.unwrap())
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{
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}
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prepared_stmt ums_stmt;
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};
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void
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top_status_source::update_user_msg()
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{
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static user_msg_stmt um_stmt;
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auto& al = this->tss_fields[TSF_USER_MSG].get_value();
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al.clear();
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um_stmt.ums_stmt.reset();
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auto fetch_res = um_stmt.ums_stmt.fetch_row<std::string>();
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fetch_res.match(
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[&al](const std::string& value) {
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al.with_ansi_string(value);
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al.append(" ");
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},
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[](const prepared_stmt::end_of_rows&) {},
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[](const prepared_stmt::fetch_error& fe) {
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log_error("failed to execute user-message expression: %s",
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fe.fe_msg.c_str());
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});
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}
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