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149 lines
4.9 KiB
C++
149 lines
4.9 KiB
C++
/**
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* Copyright (c) 2007-2012, 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 db_sub_source_hh
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#define db_sub_source_hh
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#include <iterator>
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#include <string>
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#include <vector>
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#include <sqlite3.h>
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#include "ArenaAlloc/arenaalloc.h"
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#include "hist_source.hh"
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#include "shlex.resolver.hh"
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#include "textview_curses.hh"
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class db_label_source
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: public text_sub_source
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, public text_time_translator {
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public:
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~db_label_source() override { this->clear(); }
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bool has_log_time_column() const { return !this->dls_time_column.empty(); }
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size_t text_line_count() override { return this->dls_rows.size(); }
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size_t text_size_for_line(textview_curses& tc,
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int line,
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line_flags_t flags) override
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{
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return this->text_line_width(tc);
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}
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size_t text_line_width(textview_curses& curses) override
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{
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size_t retval = 0;
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for (auto& dls_header : this->dls_headers) {
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retval += dls_header.hm_column_size + 1;
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}
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return retval;
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}
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void text_value_for_line(textview_curses& tc,
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int row,
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std::string& label_out,
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line_flags_t flags) override;
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void text_attrs_for_line(textview_curses& tc,
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int row,
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string_attrs_t& sa) override;
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void push_header(const std::string& colstr, int type, bool graphable);
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void push_column(const scoped_value_t& sv);
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void clear();
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nonstd::optional<size_t> column_name_to_index(
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const std::string& name) const;
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nonstd::optional<vis_line_t> row_for_time(
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struct timeval time_bucket) override;
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nonstd::optional<row_info> time_for_row(vis_line_t row) override;
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struct header_meta {
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explicit header_meta(std::string name) : hm_name(std::move(name)) {}
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bool operator==(const std::string& name) const
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{
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return this->hm_name == name;
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}
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std::string hm_name;
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int hm_column_type{SQLITE3_TEXT};
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unsigned int hm_sub_type{0};
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bool hm_graphable{false};
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size_t hm_column_size{0};
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text_attrs hm_title_attrs;
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};
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size_t dls_max_column_width{120};
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stacked_bar_chart<std::string> dls_chart;
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std::vector<header_meta> dls_headers;
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std::vector<std::vector<const char*>> dls_rows;
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std::vector<struct timeval> dls_time_column;
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std::vector<size_t> dls_cell_width;
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int dls_time_column_index{-1};
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nonstd::optional<size_t> dls_time_column_invalidated_at;
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std::unique_ptr<ArenaAlloc::Alloc<char>> dls_allocator{
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std::make_unique<ArenaAlloc::Alloc<char>>(64 * 1024)};
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static const char NULL_STR[];
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};
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class db_overlay_source : public list_overlay_source {
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public:
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bool 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) override;
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void list_value_for_overlay(const listview_curses& lv,
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vis_line_t line,
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std::vector<attr_line_t>& value_out) override;
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void set_show_details_in_overlay(bool val) override
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{
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this->dos_active = val;
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}
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bool get_show_details_in_overlay() const override
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{
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return this->dos_active;
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}
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bool dos_active{false};
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db_label_source* dos_labels{nullptr};
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};
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#endif
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