mirror of https://github.com/tstack/lnav
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/**
|
|
* Copyright (c) 2019, 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 "filter_observer.hh"
|
|
|
|
#include "config.h"
|
|
#include "log_format.hh"
|
|
|
|
void
|
|
line_filter_observer::logline_new_lines(const logfile& lf,
|
|
logfile::const_iterator ll_begin,
|
|
logfile::const_iterator ll_end,
|
|
const shared_buffer_ref& sbr)
|
|
{
|
|
size_t offset = std::distance(lf.begin(), ll_begin);
|
|
|
|
require(&lf == this->lfo_filter_state.tfs_logfile.get());
|
|
|
|
this->lfo_filter_state.resize(lf.size());
|
|
if (this->lfo_filter_stack.empty()) {
|
|
return;
|
|
}
|
|
|
|
for (; ll_begin != ll_end; ++ll_begin) {
|
|
auto sbr_copy = sbr;
|
|
if (lf.get_format() != nullptr) {
|
|
lf.get_format()->get_subline(*ll_begin, sbr_copy);
|
|
}
|
|
sbr_copy.erase_ansi();
|
|
for (auto& filter : this->lfo_filter_stack) {
|
|
if (filter->lf_deleted) {
|
|
continue;
|
|
}
|
|
if (offset
|
|
>= this->lfo_filter_state.tfs_filter_count[filter->get_index()])
|
|
{
|
|
filter->add_line(this->lfo_filter_state, ll_begin, sbr_copy);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
line_filter_observer::logline_eof(const logfile& lf)
|
|
{
|
|
for (auto& iter : this->lfo_filter_stack) {
|
|
if (iter->lf_deleted) {
|
|
continue;
|
|
}
|
|
iter->end_of_message(this->lfo_filter_state);
|
|
}
|
|
}
|
|
|
|
size_t
|
|
line_filter_observer::get_min_count(size_t max) const
|
|
{
|
|
size_t retval = max;
|
|
|
|
for (auto& filter : this->lfo_filter_stack) {
|
|
if (filter->lf_deleted) {
|
|
continue;
|
|
}
|
|
retval = std::min(
|
|
retval,
|
|
this->lfo_filter_state.tfs_filter_count[filter->get_index()]);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
line_filter_observer::clear_deleted_filter_state()
|
|
{
|
|
uint32_t used_mask = 0;
|
|
|
|
for (auto& filter : this->lfo_filter_stack) {
|
|
if (filter->lf_deleted) {
|
|
log_debug("skipping deleted %p %d %d",
|
|
filter.get(),
|
|
filter->get_index(),
|
|
filter->get_lang());
|
|
continue;
|
|
}
|
|
used_mask |= (1UL << filter->get_index());
|
|
}
|
|
this->lfo_filter_state.clear_deleted_filter_state(used_mask);
|
|
}
|