diff options
Diffstat (limited to 'src/field_overlay_source.cc')
| -rw-r--r-- | src/field_overlay_source.cc | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/src/field_overlay_source.cc b/src/field_overlay_source.cc new file mode 100644 index 0000000..ad4c312 --- /dev/null +++ b/src/field_overlay_source.cc @@ -0,0 +1,574 @@ +/** + * Copyright (c) 2015, 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. + */ + +#include "field_overlay_source.hh" + +#include "base/ansi_scrubber.hh" +#include "base/humanize.time.hh" +#include "base/snippet_highlighters.hh" +#include "config.h" +#include "log_format_ext.hh" +#include "log_vtab_impl.hh" +#include "md2attr_line.hh" +#include "readline_highlighters.hh" +#include "relative_time.hh" +#include "vtab_module.hh" +#include "vtab_module_json.hh" + +json_string extract(const char* str); + +void +field_overlay_source::build_field_lines(const listview_curses& lv) +{ + auto& lss = this->fos_lss; + auto& vc = view_colors::singleton(); + + this->fos_lines.clear(); + + if (lss.text_line_count() == 0) { + this->fos_log_helper.clear(); + + return; + } + + content_line_t cl = lss.at(lv.get_selection()); + std::shared_ptr<logfile> file = lss.find(cl); + auto ll = file->begin() + cl; + auto format = file->get_format(); + bool display = false; + + if (ll->is_time_skewed() + || ll->get_msg_level() == log_level_t::LEVEL_INVALID) + { + display = true; + } + if (!this->fos_contexts.empty()) { + display = display || this->fos_contexts.top().c_show; + } + + this->build_meta_line(lv, this->fos_lines, lv.get_top()); + + if (!display) { + return; + } + + if (!this->fos_log_helper.parse_line(lv.get_selection())) { + return; + } + + if (ll->get_msg_level() == LEVEL_INVALID) { + for (const auto& sattr : this->fos_log_helper.ldh_line_attrs) { + if (sattr.sa_type != &SA_INVALID) { + continue; + } + + auto emsg = fmt::format( + FMT_STRING(" Invalid log message: {}"), + sattr.sa_value.get<decltype(SA_INVALID)::value_type>()); + auto al = attr_line_t(emsg) + .with_attr(string_attr( + line_range{1, 2}, VC_GRAPHIC.value(ACS_LLCORNER))) + .with_attr(string_attr( + line_range{0, 22}, + VC_ROLE.value(role_t::VCR_INVALID_MSG))); + this->fos_lines.emplace_back(al); + } + } + + char old_timestamp[64], curr_timestamp[64], orig_timestamp[64]; + struct timeval curr_tv, offset_tv, orig_tv, diff_tv = {0, 0}; + attr_line_t time_line; + auto& time_str = time_line.get_string(); + struct line_range time_lr; + + sql_strftime(curr_timestamp, + sizeof(curr_timestamp), + ll->get_time(), + ll->get_millis(), + 'T'); + + if (ll->is_time_skewed()) { + time_lr.lr_start = 1; + time_lr.lr_end = 2; + time_line.with_attr( + string_attr(time_lr, VC_GRAPHIC.value(ACS_LLCORNER))); + time_str.append(" Out-Of-Time-Order Message"); + time_lr.lr_start = 3; + time_lr.lr_end = time_str.length(); + time_line.with_attr( + string_attr(time_lr, VC_ROLE.value(role_t::VCR_SKEWED_TIME))); + time_str.append(" --"); + } + + time_str.append(" Received Time: "); + time_lr.lr_start = time_str.length(); + time_str.append(curr_timestamp); + time_lr.lr_end = time_str.length(); + time_line.with_attr( + string_attr(time_lr, VC_STYLE.value(text_attrs{A_BOLD}))); + time_str.append(" -- "); + time_lr.lr_start = time_str.length(); + time_str.append(humanize::time::point::from_tv(ll->get_timeval()) + .with_convert_to_local(true) + .as_precise_time_ago()); + time_lr.lr_end = time_str.length(); + time_line.with_attr( + string_attr(time_lr, VC_STYLE.value(text_attrs{A_BOLD}))); + + struct line_range time_range = find_string_attr_range( + this->fos_log_helper.ldh_line_attrs, &logline::L_TIMESTAMP); + + curr_tv = this->fos_log_helper.ldh_line->get_timeval(); + if (ll->is_time_skewed() && time_range.lr_end != -1) { + const char* time_src + = this->fos_log_helper.ldh_line_values.lvv_sbr.get_data() + + time_range.lr_start; + struct timeval actual_tv; + date_time_scanner dts; + struct exttm tm; + + dts.set_base_time(format->lf_date_time.dts_base_time, + format->lf_date_time.dts_base_tm.et_tm); + if (format->lf_date_time.scan(time_src, + time_range.length(), + format->get_timestamp_formats(), + &tm, + actual_tv, + false) + || dts.scan( + time_src, time_range.length(), nullptr, &tm, actual_tv, false)) + { + sql_strftime( + orig_timestamp, sizeof(orig_timestamp), actual_tv, 'T'); + time_str.append("; Actual Time: "); + time_lr.lr_start = time_str.length(); + time_str.append(orig_timestamp); + time_lr.lr_end = time_str.length(); + time_line.with_attr( + string_attr(time_lr, VC_ROLE.value(role_t::VCR_SKEWED_TIME))); + + timersub(&curr_tv, &actual_tv, &diff_tv); + time_str.append("; Diff: "); + time_lr.lr_start = time_str.length(); + time_str.append( + humanize::time::duration::from_tv(diff_tv).to_string()); + time_lr.lr_end = time_str.length(); + time_line.with_attr( + string_attr(time_lr, VC_STYLE.value(text_attrs{A_BOLD}))); + } + } + + offset_tv = this->fos_log_helper.ldh_file->get_time_offset(); + timersub(&curr_tv, &offset_tv, &orig_tv); + sql_strftime(old_timestamp, + sizeof(old_timestamp), + orig_tv.tv_sec, + orig_tv.tv_usec / 1000, + 'T'); + if (offset_tv.tv_sec || offset_tv.tv_usec) { + time_str.append(" Pre-adjust Time: "); + time_str.append(old_timestamp); + fmt::format_to(std::back_inserter(time_str), + FMT_STRING(" Offset: {:+}.{:03}"), + offset_tv.tv_sec, + std::chrono::duration_cast<std::chrono::milliseconds>( + std::chrono::microseconds(offset_tv.tv_usec)) + .count()); + } + + if (format->lf_date_time.dts_fmt_lock != -1) { + const auto* ts_formats = format->get_timestamp_formats(); + if (ts_formats == nullptr) { + ts_formats = PTIMEC_FORMAT_STR; + } + time_line.append(" Format: ") + .append(lnav::roles::symbol( + ts_formats[format->lf_date_time.dts_fmt_lock])); + } + + if ((!this->fos_contexts.empty() && this->fos_contexts.top().c_show) + || diff_tv.tv_sec > 0) + { + this->fos_lines.emplace_back(time_line); + } + + if (this->fos_contexts.empty() || !this->fos_contexts.top().c_show) { + return; + } + + this->fos_known_key_size = LOG_BODY.length(); + if (!this->fos_contexts.empty()) { + this->fos_known_key_size += this->fos_contexts.top().c_prefix.length(); + } + this->fos_unknown_key_size = 0; + + for (auto& ldh_line_value : this->fos_log_helper.ldh_line_values.lvv_values) + { + auto& meta = ldh_line_value.lv_meta; + int this_key_size = meta.lvm_name.size(); + + if (!this->fos_contexts.empty()) { + this_key_size += this->fos_contexts.top().c_prefix.length(); + } + if (meta.lvm_kind == value_kind_t::VALUE_STRUCT) { + this_key_size += 9; + } + if (!meta.lvm_struct_name.empty()) { + this_key_size += meta.lvm_struct_name.size() + 11; + } + this->fos_known_key_size + = std::max(this->fos_known_key_size, this_key_size); + } + + for (auto iter = this->fos_log_helper.ldh_parser->dp_pairs.begin(); + iter != this->fos_log_helper.ldh_parser->dp_pairs.end(); + ++iter) + { + std::string colname + = this->fos_log_helper.ldh_parser->get_element_string( + iter->e_sub_elements->front()); + + colname + = this->fos_log_helper.ldh_namer->add_column(colname).to_string(); + this->fos_unknown_key_size + = std::max(this->fos_unknown_key_size, (int) colname.length()); + } + + auto lf = this->fos_log_helper.ldh_file->get_format(); + if (!lf->get_pattern_regex(cl).empty()) { + attr_line_t pattern_al; + std::string& pattern_str = pattern_al.get_string(); + pattern_str = " Pattern: " + lf->get_pattern_path(cl) + " = "; + int skip = pattern_str.length(); + pattern_str += lf->get_pattern_regex(cl); + lnav::snippets::regex_highlighter( + pattern_al, + pattern_al.length(), + line_range{skip, (int) pattern_al.length()}); + this->fos_lines.emplace_back(pattern_al); + } + + if (this->fos_log_helper.ldh_line_values.lvv_values.empty()) { + this->fos_lines.emplace_back(" No known message fields"); + } + + const log_format* last_format = nullptr; + + for (auto& lv : this->fos_log_helper.ldh_line_values.lvv_values) { + if (!lv.lv_meta.lvm_format) { + continue; + } + + auto* curr_format = lv.lv_meta.lvm_format.value(); + auto* curr_elf = dynamic_cast<external_log_format*>(curr_format); + const auto format_name = curr_format->get_name().to_string(); + attr_line_t al; + std::string str, value_str = lv.to_string(); + + if (curr_format != last_format) { + this->fos_lines.emplace_back(" Known message fields for table " + + format_name + ":"); + this->fos_lines.back().with_attr( + string_attr(line_range(32, 32 + format_name.length()), + VC_STYLE.value(vc.attrs_for_ident(format_name) + | text_attrs{A_BOLD}))); + last_format = curr_format; + } + + std::string field_name, orig_field_name; + if (lv.lv_meta.lvm_struct_name.empty()) { + if (curr_elf && curr_elf->elf_body_field == lv.lv_meta.lvm_name) { + field_name = LOG_BODY; + } else if (curr_elf + && curr_elf->lf_timestamp_field == lv.lv_meta.lvm_name) + { + field_name = LOG_TIME; + } else { + field_name = lv.lv_meta.lvm_name.to_string(); + } + orig_field_name = field_name; + if (!this->fos_contexts.empty()) { + field_name = this->fos_contexts.top().c_prefix + field_name; + } + str = " " + field_name; + } else { + auto_mem<char, sqlite3_free> jgetter; + + jgetter = sqlite3_mprintf(" jget(%s, '/%q')", + lv.lv_meta.lvm_struct_name.get(), + lv.lv_meta.lvm_name.get()); + str = jgetter; + } + str.append(this->fos_known_key_size - (str.length() - 3), ' '); + str += " = " + value_str; + + al.with_string(str); + if (lv.lv_meta.lvm_struct_name.empty()) { + auto prefix_len = field_name.length() - orig_field_name.length(); + al.with_attr(string_attr( + line_range(3 + prefix_len, 3 + prefix_len + field_name.size()), + VC_STYLE.value(vc.attrs_for_ident(orig_field_name)))); + } else { + al.with_attr(string_attr( + line_range(8, 8 + lv.lv_meta.lvm_struct_name.size()), + VC_STYLE.value( + vc.attrs_for_ident(lv.lv_meta.lvm_struct_name)))); + } + + this->fos_lines.emplace_back(al); + this->add_key_line_attrs(this->fos_known_key_size); + + if (lv.lv_meta.lvm_kind == value_kind_t::VALUE_STRUCT) { + json_string js = extract(value_str.c_str()); + + al.clear() + .append(" extract(") + .append(lv.lv_meta.lvm_name.get(), + VC_STYLE.value(vc.attrs_for_ident(lv.lv_meta.lvm_name))) + .append(")") + .append(this->fos_known_key_size - lv.lv_meta.lvm_name.size() + - 9 + 3, + ' ') + .append(" = ") + .append( + string_fragment::from_bytes(js.js_content.in(), js.js_len)); + this->fos_lines.emplace_back(al); + this->add_key_line_attrs(this->fos_known_key_size); + } + } + + std::map<const intern_string_t, json_ptr_walk::walk_list_t>::iterator + json_iter; + + if (!this->fos_log_helper.ldh_json_pairs.empty()) { + this->fos_lines.emplace_back(" JSON fields:"); + } + + for (json_iter = this->fos_log_helper.ldh_json_pairs.begin(); + json_iter != this->fos_log_helper.ldh_json_pairs.end(); + ++json_iter) + { + json_ptr_walk::walk_list_t& jpairs = json_iter->second; + + for (size_t lpc = 0; lpc < jpairs.size(); lpc++) { + this->fos_lines.emplace_back( + " " + + this->fos_log_helper.format_json_getter(json_iter->first, lpc) + + " = " + jpairs[lpc].wt_value); + this->add_key_line_attrs(0); + } + } + + if (!this->fos_log_helper.ldh_xml_pairs.empty()) { + this->fos_lines.emplace_back(" XML fields:"); + } + + for (const auto& xml_pair : this->fos_log_helper.ldh_xml_pairs) { + auto_mem<char, sqlite3_free> qname; + auto_mem<char, sqlite3_free> xp_call; + + qname = sql_quote_ident(xml_pair.first.first.get()); + xp_call = sqlite3_mprintf( + "xpath(%Q, %s)", xml_pair.first.second.c_str(), qname.in()); + this->fos_lines.emplace_back(fmt::format( + FMT_STRING(" {} = {}"), xp_call.in(), xml_pair.second)); + this->add_key_line_attrs(0); + } + + if (!this->fos_contexts.empty() + && !this->fos_contexts.top().c_show_discovered) + { + return; + } + + if (this->fos_log_helper.ldh_parser->dp_pairs.empty()) { + this->fos_lines.emplace_back(" No discovered message fields"); + } else { + this->fos_lines.emplace_back( + " Discovered fields for logline table from message format: "); + this->fos_lines.back().with_attr( + string_attr(line_range(23, 23 + 7), + VC_STYLE.value(vc.attrs_for_ident("logline")))); + auto& al = this->fos_lines.back(); + auto& disc_str = al.get_string(); + + al.with_attr(string_attr(line_range(disc_str.length(), -1), + VC_STYLE.value(text_attrs{A_BOLD}))); + disc_str.append(this->fos_log_helper.ldh_msg_format); + } + + auto iter = this->fos_log_helper.ldh_parser->dp_pairs.begin(); + for (size_t lpc = 0; lpc < this->fos_log_helper.ldh_parser->dp_pairs.size(); + lpc++, ++iter) + { + auto name = this->fos_log_helper.ldh_namer->cn_names[lpc]; + auto val = this->fos_log_helper.ldh_parser->get_element_string( + iter->e_sub_elements->back()); + attr_line_t al(fmt::format(FMT_STRING(" {} = {}"), name, val)); + + al.with_attr( + string_attr(line_range(3, 3 + name.length()), + VC_STYLE.value(vc.attrs_for_ident(name.to_string())))); + + this->fos_lines.emplace_back(al); + this->add_key_line_attrs( + this->fos_unknown_key_size, + lpc == (this->fos_log_helper.ldh_parser->dp_pairs.size() - 1)); + } +} + +void +field_overlay_source::build_meta_line(const listview_curses& lv, + std::vector<attr_line_t>& dst, + vis_line_t row) +{ + auto line_meta_opt = this->fos_lss.find_bookmark_metadata(row); + + if (!line_meta_opt) { + return; + } + auto& vc = view_colors::singleton(); + const auto& line_meta = *(line_meta_opt.value()); + size_t filename_width = this->fos_lss.get_filename_offset(); + const auto* tc = dynamic_cast<const textview_curses*>(&lv); + + if (!line_meta.bm_comment.empty()) { + const auto* lead = line_meta.bm_tags.empty() ? " \u2514 " : " \u251c "; + md2attr_line mdal; + attr_line_t al; + + auto parse_res = md4cpp::parse(line_meta.bm_comment, mdal); + if (parse_res.isOk()) { + al = parse_res.unwrap(); + } else { + log_error("%d: cannot convert comment to markdown: %s", + (int) row, + parse_res.unwrapErr().c_str()); + al = line_meta.bm_comment; + } + + auto comment_lines = al.rtrim().split_lines(); + for (size_t lpc = 0; lpc < comment_lines.size(); lpc++) { + auto& comment_line = comment_lines[lpc]; + + if (lpc == 0 && comment_line.empty()) { + continue; + } + comment_line.with_attr_for_all(VC_ROLE.value(role_t::VCR_COMMENT)); + comment_line.insert( + 0, lpc == comment_lines.size() - 1 ? lead : " \u2502 "); + comment_line.insert(0, filename_width, ' '); + if (tc != nullptr) { + auto hl = tc->get_highlights(); + auto hl_iter = hl.find({highlight_source_t::PREVIEW, "search"}); + + if (hl_iter != hl.end()) { + hl_iter->second.annotate(comment_line, filename_width); + } + } + + dst.emplace_back(comment_line); + } + } + if (!line_meta.bm_tags.empty()) { + attr_line_t al; + + al.with_string(" \u2514"); + for (const auto& str : line_meta.bm_tags) { + al.append(1, ' ').append(str, + VC_STYLE.value(vc.attrs_for_ident(str))); + } + + if (tc != nullptr) { + const auto& hm = tc->get_highlights(); + auto hl_iter = hm.find({highlight_source_t::PREVIEW, "search"}); + + if (hl_iter != hm.end()) { + hl_iter->second.annotate(al, 2); + } + } + al.insert(0, filename_width, ' '); + if (tc != nullptr) { + auto hl = tc->get_highlights(); + auto hl_iter = hl.find({highlight_source_t::PREVIEW, "search"}); + + if (hl_iter != hl.end()) { + hl_iter->second.annotate(al, filename_width); + } + } + dst.emplace_back(al); + } +} + +void +field_overlay_source::add_key_line_attrs(int key_size, bool last_line) +{ + string_attrs_t& sa = this->fos_lines.back().get_attrs(); + struct line_range lr(1, 2); + int64_t graphic = (int64_t) (last_line ? ACS_LLCORNER : ACS_LTEE); + sa.emplace_back(lr, VC_GRAPHIC.value(graphic)); + + lr.lr_start = 3 + key_size + 3; + lr.lr_end = -1; + sa.emplace_back(lr, VC_STYLE.value(text_attrs{A_BOLD})); +} + +bool +field_overlay_source::list_value_for_overlay(const listview_curses& lv, + int y, + int bottom, + vis_line_t row, + attr_line_t& value_out) +{ + if (y == 0) { + this->build_field_lines(lv); + return false; + } + + if (1 <= y && y <= (int) this->fos_lines.size()) { + value_out = this->fos_lines[y - 1]; + return true; + } + + if (!this->fos_meta_lines.empty() && this->fos_meta_lines_row == row - 1_vl) + { + value_out = this->fos_meta_lines.front(); + this->fos_meta_lines.erase(this->fos_meta_lines.begin()); + + return true; + } + + if (row < lv.get_inner_height()) { + this->fos_meta_lines.clear(); + this->build_meta_line(lv, this->fos_meta_lines, row); + this->fos_meta_lines_row = row; + } + + return false; +} |