mirror of https://github.com/tstack/lnav
[gantt] add a gantt chart view
Tim Stack
10 months ago
parent
7c8d32308a
commit
f71300ba1d
@ -0,0 +1,479 @@
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/**
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* Copyright (c) 2023, 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 <chrono>
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#include "gantt_source.hh"
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#include "base/humanize.hh"
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#include "base/humanize.time.hh"
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#include "base/math_util.hh"
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#include "md4cpp.hh"
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#include "sql_util.hh"
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using namespace std::chrono_literals;
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using namespace lnav::roles::literals;
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using namespace md4cpp::literals;
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static const std::vector<std::chrono::seconds> TIME_SPANS = {
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5min,
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15min,
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1h,
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8h,
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24h,
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7 * 24h,
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30 * 24h,
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365 * 24h,
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};
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gantt_header_overlay::gantt_header_overlay(std::shared_ptr<gantt_source> src)
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: gho_src(src)
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{
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}
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bool
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gantt_header_overlay::list_static_overlay(const listview_curses& lv,
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int y,
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int bottom,
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attr_line_t& value_out)
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{
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if (y >= 3) {
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return false;
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}
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if (this->gho_src->gs_time_order.empty()) {
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if (y == 0) {
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value_out.append("No operations found"_error);
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return true;
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}
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return false;
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}
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auto bounds = this->gho_src->get_time_bounds_for(lv.get_selection());
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auto width = lv.get_dimensions().second - 1;
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char datebuf[64];
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if (y == 0) {
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auto lb = this->gho_src->gs_lower_bound;
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auto ub = this->gho_src->gs_upper_bound;
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double span = ub.tv_sec - lb.tv_sec;
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double per_ch = span / (double) width;
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sql_strftime(datebuf, sizeof(datebuf), lb, 'T');
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value_out.appendf(FMT_STRING(" {}"), datebuf);
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auto upper_size = sql_strftime(datebuf, sizeof(datebuf), ub, 'T');
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value_out.append(width - value_out.length() - upper_size - 1, ' ')
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.append(datebuf);
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auto lr = line_range{};
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if (lb.tv_sec < bounds.first.tv_sec) {
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auto start_diff = bounds.first.tv_sec - lb.tv_sec;
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lr.lr_start = start_diff / per_ch;
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} else {
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lr.lr_start = 0;
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}
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if (lb.tv_sec < bounds.second.tv_sec) {
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auto start_diff = bounds.second.tv_sec - lb.tv_sec;
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lr.lr_end = start_diff / per_ch;
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} else {
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lr.lr_end = 1;
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}
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if (lr.lr_start == lr.lr_end) {
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lr.lr_end += 1;
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}
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value_out.get_attrs().emplace_back(
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lr, VC_ROLE.value(role_t::VCR_CURSOR_LINE));
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value_out.with_attr_for_all(VC_ROLE.value(role_t::VCR_STATUS_INFO));
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} else if (y == 1) {
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sql_strftime(datebuf, sizeof(datebuf), bounds.first, 'T');
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value_out.appendf(FMT_STRING(" {}"), datebuf);
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auto upper_size
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= sql_strftime(datebuf, sizeof(datebuf), bounds.second, 'T');
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value_out.append(width - value_out.length() - upper_size - 5, ' ')
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.append(datebuf);
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value_out.with_attr_for_all(VC_ROLE.value(role_t::VCR_CURSOR_LINE));
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} else {
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value_out.append(" Duration "_h1)
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.append("|", VC_GRAPHIC.value(ACS_VLINE))
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.append(" ")
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.append("\u2718"_error)
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.append("\u25b2"_warning)
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.append(" ")
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.append("|", VC_GRAPHIC.value(ACS_VLINE))
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.append(" Operation"_h1);
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auto hdr_attrs = text_attrs{};
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hdr_attrs.ta_attrs = A_UNDERLINE;
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value_out.get_attrs().emplace_back(line_range{0, -1},
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VC_STYLE.value(hdr_attrs));
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value_out.with_attr_for_all(VC_ROLE.value(role_t::VCR_STATUS_INFO));
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}
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return true;
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}
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gantt_source::gantt_source(textview_curses& log_view,
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logfile_sub_source& lss,
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plain_text_source& preview_source,
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preview_status_source& preview_status_source)
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: gs_log_view(log_view), gs_lss(lss), gs_preview_source(preview_source),
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gs_preview_status_source(preview_status_source)
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{
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}
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std::pair<timeval, timeval>
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gantt_source::get_time_bounds_for(int line)
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{
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static const int CONTEXT_LINES = 5;
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const auto& low_row
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= this->gs_time_order[std::max(0, line - CONTEXT_LINES)];
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const auto& sel_row = this->gs_time_order[line];
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const auto& high_row = this->gs_time_order[std::min(
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line + CONTEXT_LINES, (int) this->gs_time_order.size() - 1)];
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auto high_tv_sec = std::max(sel_row.or_value.otr_end.tv_sec,
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high_row.or_value.otr_begin.tv_sec);
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auto duration
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= std::chrono::seconds{high_tv_sec - low_row.or_value.otr_begin.tv_sec};
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auto span_iter
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= std::upper_bound(TIME_SPANS.begin(), TIME_SPANS.end(), duration);
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if (span_iter == TIME_SPANS.end()) {
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--span_iter;
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}
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auto span_secs = span_iter->count() - 60;
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struct timeval lower_tv = {
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rounddown(low_row.or_value.otr_begin.tv_sec, 60),
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0,
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};
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lower_tv.tv_sec -= span_secs / 2;
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struct timeval upper_tv = {
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static_cast<time_t>(roundup_size(high_tv_sec, 60)),
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0,
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};
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upper_tv.tv_sec += span_secs / 2;
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return {lower_tv, upper_tv};
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}
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size_t
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gantt_source::text_line_count()
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{
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return this->gs_time_order.size();
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}
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void
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gantt_source::text_value_for_line(textview_curses& tc,
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int line,
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std::string& value_out,
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text_sub_source::line_flags_t flags)
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{
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if (line < this->gs_time_order.size()) {
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const auto& row = this->gs_time_order[line];
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auto duration = row.or_value.otr_end - row.or_value.otr_begin;
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auto duration_str = fmt::format(
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FMT_STRING(" {: >13}"),
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humanize::time::duration::from_tv(duration).to_string());
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this->gs_rendered_line.clear();
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auto total_msgs = row.or_value.get_total_msgs();
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this->gs_rendered_line
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.append(duration_str, VC_ROLE.value(role_t::VCR_OFFSET_TIME))
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.append(" ")
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.append(lnav::roles::error(humanize::sparkline(
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row.or_value.get_error_count(), total_msgs)))
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.append(lnav::roles::warning(humanize::sparkline(
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row.or_value.otr_level_counts[log_level_t::LEVEL_WARNING],
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total_msgs)))
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.append(" ")
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.append(lnav::roles::identifier(row.or_name.to_string()))
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.append(this->gs_opid_width - row.or_name.length(), ' ');
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for (const auto& desc_pair : row.or_value.otr_description) {
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this->gs_rendered_line.append(" ");
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this->gs_rendered_line.append(desc_pair.second);
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}
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this->gs_rendered_line.with_attr_for_all(
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VC_ROLE.value(role_t::VCR_COMMENT));
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value_out = this->gs_rendered_line.get_string();
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}
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}
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void
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gantt_source::text_attrs_for_line(textview_curses& tc,
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int line,
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string_attrs_t& value_out)
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{
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if (line < this->gs_time_order.size()) {
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const auto& row = this->gs_time_order[line];
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value_out = this->gs_rendered_line.get_attrs();
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auto lr = line_range{};
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auto sel_bounds = this->get_time_bounds_for(tc.get_selection());
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if (row.or_value.otr_begin <= sel_bounds.second
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&& sel_bounds.first <= row.or_value.otr_end)
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{
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static const int INDENT = 22;
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auto width = tc.get_dimensions().second;
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if (width > INDENT) {
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width -= INDENT;
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double span
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= sel_bounds.second.tv_sec - sel_bounds.first.tv_sec;
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double per_ch = span / (double) width;
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if (row.or_value.otr_begin <= sel_bounds.first) {
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lr.lr_start = INDENT;
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} else {
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auto start_diff = row.or_value.otr_begin.tv_sec
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- sel_bounds.first.tv_sec;
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lr.lr_start = INDENT + start_diff / per_ch;
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}
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if (sel_bounds.second < row.or_value.otr_end) {
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lr.lr_end = -1;
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} else {
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auto end_diff
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= row.or_value.otr_end.tv_sec - sel_bounds.first.tv_sec;
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lr.lr_end = INDENT + end_diff / per_ch;
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if (lr.lr_start == lr.lr_end) {
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lr.lr_end += 1;
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}
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}
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auto block_attrs = text_attrs{};
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block_attrs.ta_attrs = A_REVERSE;
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value_out.emplace_back(lr, VC_STYLE.value(block_attrs));
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}
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}
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auto alt_row_index = line % 4;
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if (alt_row_index == 2 || alt_row_index == 3) {
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value_out.emplace_back(line_range{0, -1},
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VC_ROLE.value(role_t::VCR_ALT_ROW));
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}
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}
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}
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size_t
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gantt_source::text_size_for_line(textview_curses& tc,
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int line,
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text_sub_source::line_flags_t raw)
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{
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return this->gs_total_width;
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}
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void
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gantt_source::rebuild_indexes()
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{
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auto& bm = this->tss_view->get_bookmarks();
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auto& bm_errs = bm[&logfile_sub_source::BM_ERRORS];
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auto& bm_warns = bm[&logfile_sub_source::BM_WARNINGS];
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bm_errs.clear();
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bm_warns.clear();
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this->gs_lower_bound = {};
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this->gs_upper_bound = {};
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this->gs_opid_width = 0;
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this->gs_total_width = 0;
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auto max_desc_width = size_t{0};
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log_opid_map active_opids;
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for (const auto& ld : this->gs_lss) {
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if (ld->get_file_ptr() == nullptr) {
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continue;
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}
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safe::ReadAccess<logfile::safe_opid_map> r_opid_map(
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ld->get_file_ptr()->get_opids());
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for (const auto& pair : *r_opid_map) {
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auto iter = this->gs_opid_map.find(pair.first);
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if (iter == this->gs_opid_map.end()) {
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auto opid = pair.first.to_owned(this->gs_allocator);
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auto emp_res
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= this->gs_opid_map.emplace(opid, opid_description_defs{});
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iter = emp_res.first;
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}
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auto active_iter = active_opids.find(pair.first);
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if (active_iter == active_opids.end()) {
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active_opids.emplace(iter->first, pair.second);
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} else {
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active_iter->second |= pair.second;
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}
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}
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}
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std::multimap<struct timeval, opid_row> time_order_map;
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for (const auto& pair : active_opids) {
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if (this->gs_lower_bound.tv_sec == 0
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|| pair.second.otr_begin < this->gs_lower_bound)
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{
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this->gs_lower_bound = pair.second.otr_begin;
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}
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if (this->gs_upper_bound.tv_sec == 0
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|| this->gs_upper_bound < pair.second.otr_end)
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{
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this->gs_upper_bound = pair.second.otr_end;
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}
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if (pair.first.length() > this->gs_opid_width) {
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this->gs_opid_width = pair.first.length();
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}
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time_order_map.emplace(pair.second.otr_begin,
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opid_row{pair.first, pair.second});
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}
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this->gs_time_order.clear();
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for (const auto& pair : time_order_map) {
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if (pair.second.or_value.get_error_count() > 0) {
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bm_errs.insert_once(vis_line_t(this->gs_time_order.size()));
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} else if (pair.second.or_value
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.otr_level_counts[log_level_t::LEVEL_WARNING]
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> 0)
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{
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bm_warns.insert_once(vis_line_t(this->gs_time_order.size()));
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}
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auto total_desc_width = size_t{0};
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for (const auto& desc : pair.second.or_value.otr_description) {
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total_desc_width += 1 + desc.second.length();
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}
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if (total_desc_width > max_desc_width) {
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max_desc_width = total_desc_width;
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}
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this->gs_time_order.emplace_back(pair.second);
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}
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this->gs_total_width = 8 + this->gs_opid_width + max_desc_width;
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}
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nonstd::optional<vis_line_t>
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gantt_source::row_for_time(struct timeval time_bucket)
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{
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auto iter = std::lower_bound(this->gs_time_order.begin(),
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this->gs_time_order.end(),
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time_bucket,
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[](const opid_row& lhs, const timeval& rhs) {
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return lhs.or_value.otr_begin < rhs;
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});
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if (iter == this->gs_time_order.end()) {
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return nonstd::nullopt;
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}
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return vis_line_t(std::distance(this->gs_time_order.begin(), iter));
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}
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nonstd::optional<struct timeval>
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gantt_source::time_for_row(vis_line_t row)
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{
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if (row >= this->gs_time_order.size()) {
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return nonstd::nullopt;
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}
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return this->gs_time_order[row].or_value.otr_begin;
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}
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size_t
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gantt_source::text_line_width(textview_curses& curses)
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{
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return this->gs_total_width;
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}
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void
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gantt_source::text_selection_changed(textview_curses& tc)
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{
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static const size_t MAX_PREVIEW_LINES = 5;
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auto sel = tc.get_selection();
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this->gs_preview_source.clear();
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if (sel >= this->gs_time_order.size()) {
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return;
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}
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const auto& row = this->gs_time_order[sel];
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auto low_vl = this->gs_lss.row_for_time(row.or_value.otr_begin);
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auto high_tv = row.or_value.otr_end;
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high_tv.tv_sec += 1;
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auto high_vl = this->gs_lss.row_for_time(high_tv);
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if (!low_vl || !high_vl) {
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return;
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}
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auto preview_content = attr_line_t();
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auto msgs_remaining = size_t{MAX_PREVIEW_LINES};
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auto win = this->gs_lss.window_at(low_vl.value(), high_vl.value());
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auto id_hash = hash_str(row.or_name.data(), row.or_name.length());
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for (const auto& msg_line : win) {
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if (!msg_line.get_logline().match_opid_hash(id_hash)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const auto& sa = msg_line.get_attrs();
|
||||
auto opid_opt = get_string_attr(sa, logline::L_OPID);
|
||||
|
||||
if (opid_opt) {
|
||||
auto opid_range = opid_opt.value().saw_string_attr->sa_range;
|
||||
auto opid_sf = msg_line.to_string(opid_range);
|
||||
|
||||
if (opid_sf == row.or_name) {
|
||||
std::vector<attr_line_t> rows_al(1);
|
||||
|
||||
this->gs_log_view.listview_value_for_rows(
|
||||
this->gs_log_view, msg_line.get_vis_line(), rows_al);
|
||||
|
||||
preview_content.append(rows_al[0]).append("\n");
|
||||
msgs_remaining -= 1;
|
||||
if (msgs_remaining == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while (msgs_remaining > 0) {
|
||||
preview_content.append("\u2800\n");
|
||||
msgs_remaining -= 1;
|
||||
}
|
||||
|
||||
this->gs_preview_source.replace_with(preview_content);
|
||||
this->gs_preview_status_source.get_description().set_value(
|
||||
"Messages with opid: %.*s", row.or_name.length(), row.or_name.data());
|
||||
}
|
||||
@ -0,0 +1,116 @@
|
||||
/**
|
||||
* Copyright (c) 2023, 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_gantt_source_hh
|
||||
#define lnav_gantt_source_hh
|
||||
|
||||
#include "logfile_sub_source.hh"
|
||||
#include "plain_text_source.hh"
|
||||
#include "preview_status_source.hh"
|
||||
#include "textview_curses.hh"
|
||||
|
||||
class gantt_source
|
||||
: public text_sub_source
|
||||
, public text_time_translator {
|
||||
public:
|
||||
explicit gantt_source(textview_curses& log_view,
|
||||
logfile_sub_source& lss,
|
||||
plain_text_source& preview_source,
|
||||
preview_status_source& preview_status_source);
|
||||
|
||||
size_t text_line_count() override;
|
||||
|
||||
size_t text_line_width(textview_curses& curses) override;
|
||||
|
||||
void text_value_for_line(textview_curses& tc,
|
||||
int line,
|
||||
std::string& value_out,
|
||||
line_flags_t flags) override;
|
||||
|
||||
void text_attrs_for_line(textview_curses& tc,
|
||||
int line,
|
||||
string_attrs_t& value_out) override;
|
||||
|
||||
size_t text_size_for_line(textview_curses& tc,
|
||||
int line,
|
||||
line_flags_t raw) override;
|
||||
|
||||
void text_selection_changed(textview_curses& tc) override;
|
||||
|
||||
nonstd::optional<vis_line_t> row_for_time(
|
||||
struct timeval time_bucket) override;
|
||||
nonstd::optional<struct timeval> time_for_row(vis_line_t row) override;
|
||||
|
||||
void rebuild_indexes();
|
||||
|
||||
std::pair<timeval, timeval> get_time_bounds_for(int line);
|
||||
|
||||
textview_curses& gs_log_view;
|
||||
logfile_sub_source& gs_lss;
|
||||
plain_text_source& gs_preview_source;
|
||||
preview_status_source& gs_preview_status_source;
|
||||
ArenaAlloc::Alloc<char> gs_allocator{64 * 1024};
|
||||
|
||||
struct opid_description_defs {};
|
||||
|
||||
using gantt_opid_map
|
||||
= robin_hood::unordered_map<string_fragment,
|
||||
opid_description_defs,
|
||||
frag_hasher,
|
||||
std::equal_to<string_fragment>>;
|
||||
|
||||
gantt_opid_map gs_opid_map;
|
||||
|
||||
struct opid_row {
|
||||
string_fragment or_name;
|
||||
opid_time_range or_value;
|
||||
};
|
||||
|
||||
attr_line_t gs_rendered_line;
|
||||
size_t gs_opid_width{0};
|
||||
size_t gs_total_width{0};
|
||||
std::vector<opid_row> gs_time_order;
|
||||
struct timeval gs_lower_bound {};
|
||||
struct timeval gs_upper_bound {};
|
||||
};
|
||||
|
||||
class gantt_header_overlay : public list_overlay_source {
|
||||
public:
|
||||
gantt_header_overlay(std::shared_ptr<gantt_source> src);
|
||||
|
||||
bool list_static_overlay(const listview_curses& lv,
|
||||
int y,
|
||||
int bottom,
|
||||
attr_line_t& value_out) override;
|
||||
|
||||
private:
|
||||
std::shared_ptr<gantt_source> gho_src;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue