diff options
Diffstat (limited to 'src/hist_source.cc')
| -rw-r--r-- | src/hist_source.cc | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/hist_source.cc b/src/hist_source.cc new file mode 100644 index 0000000..f48ccc1 --- /dev/null +++ b/src/hist_source.cc @@ -0,0 +1,188 @@ +/** + * Copyright (c) 2007-2012, 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 "hist_source.hh" + +#include "base/math_util.hh" +#include "config.h" +#include "fmt/chrono.h" + +nonstd::optional<vis_line_t> +hist_source2::row_for_time(struct timeval tv_bucket) +{ + std::map<int64_t, struct bucket_block>::iterator iter; + int retval = 0; + time_t time_bucket = rounddown(tv_bucket.tv_sec, this->hs_time_slice); + + for (iter = this->hs_blocks.begin(); iter != this->hs_blocks.end(); ++iter) + { + struct bucket_block& bb = iter->second; + + if (time_bucket < bb.bb_buckets[0].b_time) { + break; + } + if (time_bucket > bb.bb_buckets[bb.bb_used].b_time) { + retval += bb.bb_used + 1; + continue; + } + + for (unsigned int lpc = 0; lpc <= bb.bb_used; lpc++, retval++) { + if (time_bucket <= bb.bb_buckets[lpc].b_time) { + return vis_line_t(retval); + } + } + } + return vis_line_t(retval); +} + +void +hist_source2::text_value_for_line(textview_curses& tc, + int row, + std::string& value_out, + text_sub_source::line_flags_t flags) +{ + bucket_t& bucket = this->find_bucket(row); + struct tm bucket_tm; + + value_out.clear(); + if (gmtime_r(&bucket.b_time, &bucket_tm) != nullptr) { + fmt::format_to(std::back_inserter(value_out), + FMT_STRING(" {:%a %b %d %H:%M:%S} "), + bucket_tm); + } else { + log_error("no time?"); + } + fmt::format_to( + std::back_inserter(value_out), + FMT_STRING(" {:8L} normal {:8L} errors {:8L} warnings {:8L} marks"), + rint(bucket.b_values[HT_NORMAL].hv_value), + rint(bucket.b_values[HT_ERROR].hv_value), + rint(bucket.b_values[HT_WARNING].hv_value), + rint(bucket.b_values[HT_MARK].hv_value)); +} + +void +hist_source2::text_attrs_for_line(textview_curses& tc, + int row, + string_attrs_t& value_out) +{ + bucket_t& bucket = this->find_bucket(row); + int left = 0; + + for (int lpc = 0; lpc < HT__MAX; lpc++) { + this->hs_chart.chart_attrs_for_value(tc, + left, + (const hist_type_t) lpc, + bucket.b_values[lpc].hv_value, + value_out); + } +} + +void +hist_source2::add_value(time_t row, + hist_source2::hist_type_t htype, + double value) +{ + if (row < this->hs_last_row) { + log_error("time mismatch %ld %ld", row, this->hs_last_row); + } + + require(row >= this->hs_last_row); + + row = rounddown(row, this->hs_time_slice); + if (row != this->hs_last_row) { + this->end_of_row(); + + this->hs_last_bucket += 1; + this->hs_last_row = row; + } + + auto& bucket = this->find_bucket(this->hs_last_bucket); + bucket.b_time = row; + bucket.b_values[htype].hv_value += value; +} + +void +hist_source2::init() +{ + view_colors& vc = view_colors::singleton(); + + this->hs_chart + .with_attrs_for_ident(HT_NORMAL, vc.attrs_for_role(role_t::VCR_TEXT)) + .with_attrs_for_ident(HT_WARNING, + vc.attrs_for_role(role_t::VCR_WARNING)) + .with_attrs_for_ident(HT_ERROR, vc.attrs_for_role(role_t::VCR_ERROR)) + .with_attrs_for_ident(HT_MARK, vc.attrs_for_role(role_t::VCR_COMMENT)); +} + +void +hist_source2::clear() +{ + this->hs_line_count = 0; + this->hs_last_bucket = -1; + this->hs_last_row = -1; + this->hs_blocks.clear(); + this->hs_chart.clear(); + this->init(); +} + +void +hist_source2::end_of_row() +{ + if (this->hs_last_bucket >= 0) { + bucket_t& last_bucket = this->find_bucket(this->hs_last_bucket); + + for (int lpc = 0; lpc < HT__MAX; lpc++) { + this->hs_chart.add_value((const hist_type_t) lpc, + last_bucket.b_values[lpc].hv_value); + } + } +} + +nonstd::optional<struct timeval> +hist_source2::time_for_row(vis_line_t row) +{ + if (row < 0 || row > this->hs_line_count) { + return nonstd::nullopt; + } + + bucket_t& bucket = this->find_bucket(row); + + return timeval{bucket.b_time, 0}; +} + +hist_source2::bucket_t& +hist_source2::find_bucket(int64_t index) +{ + struct bucket_block& bb = this->hs_blocks[index / BLOCK_SIZE]; + unsigned int intra_block_index = index % BLOCK_SIZE; + bb.bb_used = std::max(intra_block_index, bb.bb_used); + this->hs_line_count = std::max(this->hs_line_count, index + 1); + return bb.bb_buckets[intra_block_index]; +} |