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// -*- mode:c++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* ceph - scalable distributed file system
*
* copyright (c) 2014 john spray <john.spray@inktank.com>
*
* this is free software; you can redistribute it and/or
* modify it under the terms of the gnu lesser general public
* license version 2.1, as published by the free software
* foundation. see file copying.
*/
#include <iostream>
#include <fstream>
#include "common/errno.h"
#include "mds/mdstypes.h"
#include "mds/events/EUpdate.h"
#include "mds/LogEvent.h"
#include "JournalScanner.h"
#include "EventOutput.h"
int EventOutput::binary() const
{
// Binary output, files
int r = ::mkdir(path.c_str(), 0755);
if (r != 0) {
r = -errno;
if (r != -EEXIST) {
std::cerr << "Error creating output directory: " << cpp_strerror(r) << std::endl;
return r;
}
}
for (JournalScanner::EventMap::const_iterator i = scan.events.begin(); i != scan.events.end(); ++i) {
bufferlist bin;
std::stringstream filename;
if (auto& le = i->second.log_event; le) {
le->encode(bin, CEPH_FEATURES_SUPPORTED_DEFAULT);
filename << "0x" << std::hex << i->first << std::dec << "_" << le->get_type_str() << ".bin";
} else if (auto& pi = i->second.pi; pi) {
pi->encode(bin);
filename << "0x" << std::hex << i->first << std::dec << "_" << pi->get_type_str() << ".bin";
}
std::string const file_path = path + std::string("/") + filename.str();
std::ofstream bin_file(file_path.c_str(), std::ofstream::out | std::ofstream::binary);
bin.write_stream(bin_file);
bin_file.close();
if (bin_file.fail()) {
return -EIO;
}
}
std::cerr << "Wrote output to binary files in directory '" << path << "'" << std::endl;
return 0;
}
int EventOutput::json() const
{
JSONFormatter jf(true);
std::ofstream out_file(path.c_str(), std::ofstream::out);
jf.open_array_section("journal");
{
for (JournalScanner::EventMap::const_iterator i = scan.events.begin(); i != scan.events.end(); ++i) {
if (auto& le = i->second.log_event; le) {
jf.open_object_section("log_event");
le->dump(&jf);
jf.close_section(); // log_event
} else if (auto& pi = i->second.pi; pi) {
jf.open_object_section("purge_action");
pi->dump(&jf);
jf.close_section();
}
}
}
jf.close_section(); // journal
jf.flush(out_file);
out_file.close();
if (out_file.fail()) {
return -EIO;
} else {
std::cerr << "Wrote output to JSON file '" << path << "'" << std::endl;
return 0;
}
}
void EventOutput::list() const
{
for (JournalScanner::EventMap::const_iterator i = scan.events.begin(); i != scan.events.end(); ++i) {
if (auto& le = i->second.log_event; le) {
std::vector<std::string> ev_paths;
EMetaBlob const *emb = le->get_metablob();
if (emb) {
emb->get_paths(ev_paths);
}
std::string detail;
if (le->get_type() == EVENT_UPDATE) {
auto& eu = reinterpret_cast<EUpdate&>(*le);
detail = eu.type;
}
std::cout << le->get_stamp() << " 0x"
<< std::hex << i->first << std::dec << " "
<< le->get_type_str() << ": "
<< " (" << detail << ")" << std::endl;
for (std::vector<std::string>::iterator i = ev_paths.begin(); i != ev_paths.end(); ++i) {
std::cout << " " << *i << std::endl;
}
} else if (auto& pi = i->second.pi; pi) {
std::cout << pi->stamp << " 0x"
<< std::hex << i->first << std::dec << " "
<< pi->get_type_str() << std::endl;
}
}
}
void EventOutput::summary() const
{
std::map<std::string, int> type_count;
for (JournalScanner::EventMap::const_iterator i = scan.events.begin(); i != scan.events.end(); ++i) {
std::string type;
if (auto& le = i->second.log_event; le)
type = le->get_type_str();
else if (auto& pi = i->second.pi; pi)
type = pi->get_type_str();
if (type_count.count(type) == 0) {
type_count[type] = 0;
}
type_count[type] += 1;
}
std::cout << "Events by type:" << std::endl;
for (std::map<std::string, int>::iterator i = type_count.begin(); i != type_count.end(); ++i) {
std::cout << " " << i->first << ": " << i->second << std::endl;
}
std::cout << "Errors: " << scan.errors.size() << std::endl;
if (!scan.errors.empty()) {
for (JournalScanner::ErrorMap::const_iterator i = scan.errors.begin();
i != scan.errors.end(); ++i) {
std::cout << " 0x" << std::hex << i->first << std::dec
<< ": " << i->second.r << " "
<< i->second.description << std::endl;
}
}
}
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