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/*
* Copyright (C) 2010 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mongo/tools/mongostat_options.h"
#include "mongo/base/status.h"
#include "mongo/util/options_parser/environment.h"
#include "mongo/util/options_parser/option_description.h"
#include "mongo/util/options_parser/option_section.h"
#include "mongo/util/options_parser/options_parser.h"
#include "mongo/util/options_parser/startup_option_init.h"
namespace mongo {
MongoStatGlobalParams mongoStatGlobalParams;
typedef moe::OptionDescription OD;
typedef moe::PositionalOptionDescription POD;
Status addMongoStatOptions(moe::OptionSection* options) {
Status ret = addGeneralToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = addRemoteServerToolOptions(options);
if (!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("noheaders", "noheaders", moe::Switch,
"don't output column names", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("rowcount", "rowcount,n", moe::Int,
"number of stats lines to print (0 for indefinite)", true,
moe::Value(0)));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("http", "http", moe::Switch,
"use http instead of raw db connection", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("discover", "discover", moe::Switch,
"discover nodes and display stats for all", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addOption(OD("all", "all", moe::Switch,
"all optional fields", true));
if(!ret.isOK()) {
return ret;
}
ret = options->addPositionalOption(POD( "sleep", moe::Int, 1 ));
if(!ret.isOK()) {
return ret;
}
return Status::OK();
}
void printMongoStatHelp(const moe::OptionSection options, std::ostream* out) {
*out << "View live MongoDB performance statistics.\n" << std::endl;
*out << "usage: mongostat [options] [sleep time]" << std::endl;
*out << "sleep time: time to wait (in seconds) between calls" << std::endl;
*out << options.helpString();
*out << "\n";
*out << " Fields\n";
*out << " inserts \t- # of inserts per second (* means replicated op)\n";
*out << " query \t- # of queries per second\n";
*out << " update \t- # of updates per second\n";
*out << " delete \t- # of deletes per second\n";
*out << " getmore \t- # of get mores (cursor batch) per second\n";
*out << " command \t- # of commands per second, on a slave its local|replicated\n";
*out << " flushes \t- # of fsync flushes per second\n";
*out << " mapped \t- amount of data mmaped (total data size) megabytes\n";
*out << " vsize \t- virtual size of process in megabytes\n";
*out << " res \t- resident size of process in megabytes\n";
*out << " faults \t- # of pages faults per sec\n";
*out << " locked \t- name of and percent time for most locked database\n";
*out << " idx miss \t- percent of btree page misses (sampled)\n";
*out << " qr|qw \t- queue lengths for clients waiting (read|write)\n";
*out << " ar|aw \t- active clients (read|write)\n";
*out << " netIn \t- network traffic in - bytes\n";
*out << " netOut \t- network traffic out - bytes\n";
*out << " conn \t- number of open connections\n";
*out << " set \t- replica set name\n";
*out << " repl \t- replication type \n";
*out << " \t PRI - primary (master)\n";
*out << " \t SEC - secondary\n";
*out << " \t REC - recovering\n";
*out << " \t UNK - unknown\n";
*out << " \t SLV - slave\n";
*out << " \t RTR - mongos process (\"router\")\n";
*out << std::flush;
}
Status handlePreValidationMongoStatOptions(const moe::Environment& params) {
if (toolsParsedOptions.count("help")) {
printMongoStatHelp(toolsOptions, &std::cout);
::_exit(0);
}
return Status::OK();
}
Status storeMongoStatOptions(const moe::Environment& params,
const std::vector<std::string>& args) {
Status ret = storeGeneralToolOptions(params, args);
if (!ret.isOK()) {
return ret;
}
if (hasParam("http")) {
mongoStatGlobalParams.http = true;
toolGlobalParams.noconnection = true;
}
if (hasParam("host") && getParam("host").find(',') != string::npos) {
toolGlobalParams.noconnection = true;
mongoStatGlobalParams.many = true;
}
if (hasParam("discover")) {
mongoStatGlobalParams.discover = true;
mongoStatGlobalParams.many = true;
}
mongoStatGlobalParams.showHeaders = !hasParam("noheaders");
mongoStatGlobalParams.rowCount = getParam("rowcount", 0);
mongoStatGlobalParams.sleep = getParam("sleep", 1);
mongoStatGlobalParams.allFields = hasParam("all");
// Make the default db "admin" if it was not explicitly set
if (!toolsParsedOptions.count("db")) {
toolGlobalParams.db = "admin";
}
// Make the default db "admin" if it was not explicitly set
if (!toolsParsedOptions.count("db")) {
toolGlobalParams.db = "admin";
}
// end of storage / start of validation
if (mongoStatGlobalParams.sleep <= 0) {
cerr << "Error parsing command line: --sleep must be greater than 0" << endl;
::_exit(EXIT_BADOPTIONS);
}
if (mongoStatGlobalParams.rowCount < 0) {
cerr << "Error parsing command line: --rowcount (-n) can't be negative" << endl;
::_exit(EXIT_BADOPTIONS);
}
return Status::OK();
}
MONGO_GENERAL_STARTUP_OPTIONS_REGISTER(MongoStatOptions)(InitializerContext* context) {
return addMongoStatOptions(&toolsOptions);
}
MONGO_STARTUP_OPTIONS_PARSE(MongoStatOptions)(InitializerContext* context) {
moe::OptionsParser parser;
Status ret = parser.run(toolsOptions, context->args(), context->env(),
&toolsParsedOptions);
if (!ret.isOK()) {
std::cerr << ret.reason() << std::endl;
std::cerr << "try '" << context->args()[0]
<< " --help' for more information" << std::endl;
::_exit(EXIT_BADOPTIONS);
}
return Status::OK();
}
MONGO_STARTUP_OPTIONS_VALIDATE(MongoStatOptions)(InitializerContext* context) {
Status ret = handlePreValidationMongoStatOptions(toolsParsedOptions);
if (!ret.isOK()) {
return ret;
}
ret = toolsParsedOptions.validate();
if (!ret.isOK()) {
return ret;
}
return Status::OK();
}
MONGO_STARTUP_OPTIONS_STORE(MongoStatOptions)(InitializerContext* context) {
return storeMongoStatOptions(toolsParsedOptions, context->args());
}
}
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