[checkmk-commits] Windows agent: manage resources in std containers

Module: check_mk Branch: master Commit: edfb699d6df8d3e139ed9283393284826a3f0678 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=edfb699d6df8d3… Author: Jukka Aro &lt;ja(a)mathias-kettner.de&gt; Date: Fri Dec 22 14:59:41 2017 +0100 Windows agent: manage resources in std containers SectionEventlog: let std::vector manage its memory as it can do it better than you do it yourself. Change-Id: I9fd2e4c28dd79d25b07142f6ab671e1e522c6fc2 --- agents/windows/build_version | 2 +- agents/windows/sections/SectionEventlog.cc | 32 ++++++++++-------------------- agents/windows/types.h | 6 ++++-- 3 files changed, 16 insertions(+), 24 deletions(-) diff --git a/agents/windows/build_version b/agents/windows/build_version index c930dca..36ed094 100644 --- a/agents/windows/build_version +++ b/agents/windows/build_version @@ -1 +1 @@ -3038 +3040 diff --git a/agents/windows/sections/SectionEventlog.cc b/agents/windows/sections/SectionEventlog.cc index 609994d..a63f639 100644 --- a/agents/windows/sections/SectionEventlog.cc +++ b/agents/windows/sections/SectionEventlog.cc @@ -42,14 +42,7 @@ SectionEventlog::SectionEventlog(Configuration &config, Logger *logger, config.reg("logwatch", "logfile", &_config); } -SectionEventlog::~SectionEventlog() { - _state.clear(); - for (auto ptr : _hints) { - free(ptr->name); - delete ptr; - } - _hints.clear(); -} +SectionEventlog::~SectionEventlog() {} void SectionEventlog::parseStateLine(char *line) { /* Example: line = "System|1234" */ @@ -64,10 +57,7 @@ void SectionEventlog::parseStateLine(char *line) { if (!token) return; - eventlog_hint_t *elh = new eventlog_hint_t(); - elh->name = strdup(path); - elh->record_no = std::stoull(token); - _hints.push_back(elh); + _hints.emplace_back(path, std::stoull(token)); } void SectionEventlog::loadEventlogOffsets(const std::string &statefile) { @@ -90,9 +80,9 @@ void SectionEventlog::saveEventlogOffsets(const std::string &statefile) { fprintf(stderr, "failed to open %s for writing\n", statefile.c_str()); return; } - for (eventlog_file_state &state : _state) { + for (const auto &state : _state) { int level = 1; - for (eventlog_config_entry &config : *_config) { + for (const auto &config : *_config) { if ((config.name == "*") || ci_equal(config.name, state.name)) { level = config.level; break; @@ -232,7 +222,7 @@ uint64_t SectionEventlog::outputEventlog(std::ostream &out, const char *logname, // might already be known and will not be stored twice. void SectionEventlog::registerEventlog(const char *logname) { // check if we already know this one... - for (eventlog_file_state &state : _state) { + for (auto &state : _state) { if (state.name.compare(logname) == 0) { state.newly_discovered = true; return; @@ -246,7 +236,7 @@ void SectionEventlog::registerEventlog(const char *logname) { /* Look into the registry in order to find out, which event logs are available. */ bool SectionEventlog::find_eventlogs(std::ostream &out) { - for (eventlog_file_state &state : _state) { + for (auto &state : _state) { state.newly_discovered = false; } @@ -317,11 +307,11 @@ bool SectionEventlog::produceOutputInner(std::ostream &out) { // The last processed record number of each eventlog is stored in the // file eventstate.txt if (_first_run && !*_send_initial) { - for (eventlog_file_state &state : _state) { + for (auto &state : _state) { bool found_hint = false; - for (eventlog_hint_t *hint : _hints) { - if (state.name.compare(hint->name) == 0) { - state.record_no = hint->record_no; + for (const auto &hint : _hints) { + if (state.name == hint.name) { + state.record_no = hint.record_no; found_hint = true; break; } @@ -334,7 +324,7 @@ bool SectionEventlog::produceOutputInner(std::ostream &out) { } } - for (eventlog_file_state &state : _state) { + for (auto &state : _state) { if (!state.newly_discovered) // not here any more! out << "[[[" << state.name << ":missing]]]\n"; else { diff --git a/agents/windows/types.h b/agents/windows/types.h index b79aa77..bc7f997 100644 --- a/agents/windows/types.h +++ b/agents/windows/types.h @@ -248,7 +248,9 @@ struct eventlog_file_state { }; struct eventlog_hint_t { - char *name; + eventlog_hint_t(const std::string &name_, uint64_t record_no_) + : name(name_), record_no(record_no_) {} + std::string name; uint64_t record_no; }; @@ -272,7 +274,7 @@ typedef std::vector<globline_container *> logwatch_globlines_t; typedef std::vector<eventlog_config_entry> eventlog_config_t; typedef std::vector<mrpe_entry *> mrpe_entries_t; typedef std::vector<eventlog_file_state> eventlog_state_t; -typedef std::vector<eventlog_hint_t *> eventlog_hints_t; +typedef std::vector<eventlog_hint_t> eventlog_hints_t; typedef std::vector<char *> fileinfo_paths_t; typedef std::vector<retry_config *> retry_count_configs_t; typedef std::vector<timeout_config *> timeout_configs_t;