<commit_before>// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package etcdmain

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net"
	"net/http"
	"os"
	"path"
	"reflect"
	"time"

	"github.com/coreos/etcd/discovery"
	"github.com/coreos/etcd/etcdserver"
	"github.com/coreos/etcd/etcdserver/etcdhttp"
	"github.com/coreos/etcd/pkg/cors"
	"github.com/coreos/etcd/pkg/fileutil"
	"github.com/coreos/etcd/pkg/osutil"
	"github.com/coreos/etcd/pkg/transport"
	"github.com/coreos/etcd/pkg/types"
	"github.com/coreos/etcd/proxy"
	"github.com/coreos/etcd/rafthttp"

	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/coreos/pkg/capnslog"
)

type dirType string

var log = capnslog.NewPackageLogger("github.com/coreos/etcd", "etcdmain")

const (
	// the owner can make/remove files inside the directory
	privateDirMode = 0700
)

var (
	dirMember = dirType("member")
	dirProxy  = dirType("proxy")
	dirEmpty  = dirType("empty")
)

func Main() {
	capnslog.SetFormatter(capnslog.NewStringFormatter(os.Stderr))
	cfg := NewConfig()
	err := cfg.Parse(os.Args[1:])
	if err != nil {
		log.Printf("error verifying flags, %v. See 'etcd -help'.", err)
		switch err {
		case errUnsetAdvertiseClientURLsFlag:
			log.Printf("When listening on specific address(es), this etcd process must advertise accessible url(s) to each connected client.")
		}
		os.Exit(1)
	}
	setupLogging(cfg)

	var stopped <-chan struct{}

	// TODO: check whether fields are set instead of whether fields have default value
	if cfg.name != defaultName && cfg.initialCluster == initialClusterFromName(defaultName) {
		cfg.initialCluster = initialClusterFromName(cfg.name)
	}<commit_msg>etcdmain: explicitly set gomaxprocs and log its value<commit_after>// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package etcdmain

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net"
	"net/http"
	"os"
	"path"
	"reflect"
	"runtime"
	"strconv"
	"time"

	"github.com/coreos/etcd/discovery"
	"github.com/coreos/etcd/etcdserver"
	"github.com/coreos/etcd/etcdserver/etcdhttp"
	"github.com/coreos/etcd/pkg/cors"
	"github.com/coreos/etcd/pkg/fileutil"
	"github.com/coreos/etcd/pkg/osutil"
	"github.com/coreos/etcd/pkg/transport"
	"github.com/coreos/etcd/pkg/types"
	"github.com/coreos/etcd/proxy"
	"github.com/coreos/etcd/rafthttp"

	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/coreos/pkg/capnslog"
)

type dirType string

var log = capnslog.NewPackageLogger("github.com/coreos/etcd", "etcdmain")

const (
	// the owner can make/remove files inside the directory
	privateDirMode = 0700
)

var (
	dirMember = dirType("member")
	dirProxy  = dirType("proxy")
	dirEmpty  = dirType("empty")
)

func Main() {
	capnslog.SetFormatter(capnslog.NewStringFormatter(os.Stderr))
	cfg := NewConfig()
	err := cfg.Parse(os.Args[1:])
	if err != nil {
		log.Printf("error verifying flags, %v. See 'etcd -help'.", err)
		switch err {
		case errUnsetAdvertiseClientURLsFlag:
			log.Printf("When listening on specific address(es), this etcd process must advertise accessible url(s) to each connected client.")
		}
		os.Exit(1)
	}
	setupLogging(cfg)

	var stopped <-chan struct{}

	GoMaxProcs := 1
	if envMaxProcs, err := strconv.Atoi(os.Getenv("GOMAXPROCS")); err == nil {
		GoMaxProcs = envMaxProcs
	}
	log.Printf("main: setting maximum number of CPUs to %d, total number of available CPUs is %d", GoMaxProcs, runtime.NumCPU())
	runtime.GOMAXPROCS(GoMaxProcs)

	// TODO: check whether fields are set instead of whether fields have default value
	if cfg.name != defaultName && cfg.initialCluster == initialClusterFromName(defaultName) {
		cfg.initialCluster = initialClusterFromName(cfg.name)
	}
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