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[logfile] the index rebuild didn't check the mtime if the file size was the same
Fixes #668
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parent
d381197195
commit
34db64aa32
3
.gitignore
vendored
3
.gitignore
vendored
@ -10,6 +10,8 @@
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*.pyc
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*.tmp
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*.trs
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*~
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.idea/
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Makefile
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Makefile.in
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TESTS_ENVIRONMENT
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@ -34,6 +36,7 @@ release/osx-pkg/
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release/outbox/
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release/vagrant-static-linux/.vagrant
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release/vagrant-static-linux/lnav
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cmake-build-debug/
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src/bin2c
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src/config.h
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src/config.h.in
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@ -280,8 +280,10 @@ logfile::rebuild_result_t logfile::rebuild_index()
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}
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// Check the previous stat against the last to see if things are wonky.
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if (this->lf_stat.st_size > st.st_size) {
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log_info("truncated file detected, closing -- %s",
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if (st.st_size < this->lf_stat.st_size ||
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(this->lf_stat.st_size == st.st_size &&
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this->lf_stat.st_mtime != st.st_mtime)) {
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log_info("overwritten file detected, closing -- %s",
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this->lf_filename.c_str());
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this->close();
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return RR_NO_NEW_LINES;
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@ -64,7 +64,7 @@ class logline_observer;
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*/
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class logfile_observer {
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public:
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virtual ~logfile_observer() { };
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virtual ~logfile_observer() = default;
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/**
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* @param lf The logfile object that is doing the indexing.
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@ -421,7 +421,7 @@ protected:
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class logline_observer {
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public:
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virtual ~logline_observer() { };
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virtual ~logline_observer() = default;
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virtual void logline_restart(const logfile &lf, size_t rollback_size) = 0;
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@ -345,6 +345,7 @@ DISTCLEANFILES = \
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*.bz2 \
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hw.txt \
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hw2.txt \
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reload_test.0 \
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truncfile.0 \
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logfile_append.0 \
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logfile_changed.0 \
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@ -29,6 +29,8 @@
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#include "config.h"
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#include <fstream>
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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
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#include "doctest.hh"
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@ -36,9 +38,35 @@
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#include "view_curses.hh"
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#include "relative_time.hh"
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#include "unique_path.hh"
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#include "logfile.hh"
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using namespace std;
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std::vector<log_format *>& log_format::get_root_formats()
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{
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static std::vector<log_format *> retval;
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return retval;
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}
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TEST_CASE("overwritten-logfile") {
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string fname = "reload_test.0";
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ofstream(fname) << "test 1\n";
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logfile_open_options loo;
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logfile lf(fname, loo);
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auto build_result = lf.rebuild_index();
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CHECK(build_result == logfile::RR_NEW_LINES);
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CHECK(lf.size() == 1);
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sleep(1);
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ofstream(fname) << "test 2\n";
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auto rebuild_result = lf.rebuild_index();
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CHECK(rebuild_result == logfile::RR_NO_NEW_LINES);
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CHECK(lf.is_closed());
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}
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TEST_CASE("duration2str") {
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string val;
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