Golang x.Log函數代碼示例

	"compress/gzip"
	"flag"
	"os"
	"runtime"
	"runtime/pprof"
	"strings"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/loader"
	"github.com/dgraph-io/dgraph/posting"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/uid"
	"github.com/dgraph-io/dgraph/x"
)

var glog = x.Log("uidassigner_main")

var rdfGzips = flag.String("rdfgzips", "",
	"Comma separated gzip files containing RDF data")
var instanceIdx = flag.Uint64("instanceIdx", 0,
	"Only pick entities, where Fingerprint % numInstance == instanceIdx.")
var numInstances = flag.Uint64("numInstances", 1,
	"Total number of instances among which uid assigning is shared")
var uidDir = flag.String("uidpostings", "",
	"Directory to store xid to uid posting lists")
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
var numcpu = flag.Int("numCpu", runtime.NumCPU(),
	"Number of cores to be used by the process")

func main() {
	flag.Parse()

 * 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 lex

import (
	"fmt"
	"unicode/utf8"

	"github.com/dgraph-io/dgraph/x"
)

var glog = x.Log("lexer")

const EOF = -1

// ItemType is used to set the type of a token. These constants can be defined
// in the file containing state functions. Note that their value should be >= 5.
type ItemType int

const (
	ItemEOF   ItemType = iota
	ItemError          // error
)

// stateFn represents the state of the scanner as a function that
// returns the next state.
type StateFn func(*Lexer) StateFn

import (
	"bytes"
	"errors"
	"math"
	"sync"
	"time"

	"github.com/dgraph-io/dgraph/posting"
	"github.com/dgraph-io/dgraph/posting/types"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/x"
	"github.com/dgryski/go-farm"
)

var glog = x.Log("uid")
var lmgr *lockManager
var uidStore *store.Store

type entry struct {
	sync.Mutex
	ts time.Time
}

func (e entry) isOld() bool {
	e.Lock()
	defer e.Unlock()
	return time.Now().Sub(e.ts) > time.Minute
}

type lockManager struct {

	"math/rand"
	"runtime"
	"strings"
	"sync"
	"sync/atomic"
	"time"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/posting"
	"github.com/dgraph-io/dgraph/rdf"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/x"
	"github.com/dgryski/go-farm"
)

var glog = x.Log("loader")
var uidStore, dataStore *store.Store

type counters struct {
	read      uint64
	parsed    uint64
	processed uint64
	ignored   uint64
}

type state struct {
	input        chan string
	cnq          chan rdf.NQuad
	ctr          *counters
	instanceIdx  uint64
	numInstances uint64

	"sync"
	"sync/atomic"
	"time"
	"unsafe"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/commit"
	"github.com/dgraph-io/dgraph/posting/types"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/x"
	"github.com/dgryski/go-farm"
	"github.com/google/flatbuffers/go"
	"github.com/zond/gotomic"
)

var glog = x.Log("posting")

const Set = 0x01
const Del = 0x02

var E_TMP_ERROR = errors.New("Temporary Error. Please retry.")

type buffer struct {
	d []byte
}

type MutationLink struct {
	idx     int
	moveidx int
	posting *types.Posting
}

	"fmt"
	"io/ioutil"
	"net/http"
	"runtime"
	"time"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/commit"
	"github.com/dgraph-io/dgraph/gql"
	"github.com/dgraph-io/dgraph/posting"
	"github.com/dgraph-io/dgraph/query"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/x"
)

var glog = x.Log("server")

var postingDir = flag.String("postings", "", "Directory to store posting lists")
var mutationDir = flag.String("mutations", "", "Directory to store mutations")
var port = flag.String("port", "8080", "Port to run server on.")

func addCorsHeaders(w http.ResponseWriter) {
	w.Header().Set("Access-Control-Allow-Origin", "*")
	w.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS")
	w.Header().Set("Access-Control-Allow-Headers",
		"Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, X-Auth-Token, Cache-Control, X-Requested-With")
	w.Header().Set("Access-Control-Allow-Credentials", "true")
	w.Header().Set("Connection", "close")
}

func queryHandler(w http.ResponseWriter, r *http.Request) {

 *
 * ALGORITHM:
 * This is a rough and simple algorithm of how to process this SubGraph query
 * and populate the results:
 *
 * For a given entity, a new SubGraph can be started off with NewGraph(id).
 * Given a SubGraph, is the Query field empty? [Step a]
 *   - If no, run (or send it to server serving the attribute) query
 *     and populate result.
 * Iterate over children and copy Result Uids to child Query Uids.
 *     Set Attr. Then for each child, use goroutine to run Step:a.
 * Wait for goroutines to finish.
 * Return errors, if any.
 */

var glog = x.Log("query")

type Latency struct {
	Start      time.Time     `json:"-"`
	Parsing    time.Duration `json:"query_parsing"`
	Processing time.Duration `json:"processing"`
	Json       time.Duration `json:"json_conversion"`
}

func (l *Latency) ToMap() map[string]string {
	m := make(map[string]string)
	j := time.Since(l.Start) - l.Processing - l.Parsing
	m["parsing"] = l.Parsing.String()
	m["processing"] = l.Processing.String()
	m["json"] = j.String()
	m["total"] = time.Since(l.Start).String()

import (
	"compress/gzip"
	"flag"
	"os"
	"runtime"
	"runtime/pprof"
	"strings"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/loader"
	"github.com/dgraph-io/dgraph/posting"
	"github.com/dgraph-io/dgraph/store"
	"github.com/dgraph-io/dgraph/x"
)

var glog = x.Log("loader_main")

var rdfGzips = flag.String("rdfgzips", "",
	"Comma separated gzip files containing RDF data")
var mod = flag.Uint64("mod", 1, "Only pick entities, where uid % mod == 0.")
var postingDir = flag.String("postings", "", "Directory to store posting lists")
var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")

func main() {
	flag.Parse()
	if !flag.Parsed() {
		glog.Fatal("Unable to parse flags")
	}
	if len(*cpuprofile) > 0 {
		f, err := os.Create(*cpuprofile)
		if err != nil {

	itemObject                             // object, 8
	itemLabel                              // label, 9
	itemLiteral                            // literal, 10
	itemLanguage                           // language, 11
	itemObjectType                         // object type, 12
	itemValidEnd                           // end with dot, 13
)

const (
	AT_SUBJECT int = iota
	AT_PREDICATE
	AT_OBJECT
	AT_LABEL
)

var glog = x.Log("rdf")

func run(l *lex.Lexer) {
	for state := lexText; state != nil; {
		state = state(l)
	}
	close(l.Items) // No more tokens.
}

func lexText(l *lex.Lexer) lex.StateFn {
Loop:
	for {
		switch r := l.Next(); {
		case r == '<' || r == '_':
			if l.Depth == AT_SUBJECT {
				l.Backup()

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gql

import (
	"errors"
	"fmt"
	"strconv"

	"github.com/dgraph-io/dgraph/lex"
	"github.com/dgraph-io/dgraph/x"
)

var glog = x.Log("gql")

// GraphQuery stores the parsed Query in a tree format. This gets
// converted to internally used query.SubGraph before processing the query.
type GraphQuery struct {
	UID      uint64
	XID      string
	Attr     string
	Children []*GraphQuery
}

type Mutation struct {
	Set string
	Del string
}

	"path/filepath"
	"runtime/debug"
	"sort"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
	"time"
	"unsafe"

	"github.com/Sirupsen/logrus"
	"github.com/dgraph-io/dgraph/x"
	"github.com/willf/bloom"
)

var glog = x.Log("commitlog")

type logFile struct {
	sync.RWMutex
	endTs int64 // never modified after creation.
	path  string
	size  int64
	cache *Cache
	bf    *bloom.BloomFilter
}

func (lf *logFile) Cache() *Cache {
	lf.RLock()
	defer lf.RUnlock()
	return lf.cache
}

	"net/http"
	"os"
	"strconv"
	"strings"
	"time"

	"github.com/dgraph-io/dgraph/query/graph"
	"github.com/dgraph-io/dgraph/x"
	"golang.org/x/net/context"
	"google.golang.org/grpc"
)

var (
	numsecs = flag.Float64("numsecs", 10,
		"number of seconds for which to run the benchmark")
	glog       = x.Log("PbBenchmark")
	serverAddr = flag.String("ip", "http://127.0.0.1:8080/query",
		"Addr of server for http request")
)

func checkErr(err error, msg string) {
	if err != nil {
		glog.WithField("err", err).Fatal(msg)
	}
}

func numChildren(node *graph.Node) int {
	c := 0
	for _, child := range node.Children {
		c += numChildren(child)
	}

 * 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 store

import (
	"strconv"

	"github.com/dgraph-io/dgraph/rdb"
	"github.com/dgraph-io/dgraph/x"
)

var log = x.Log("store")

// Store contains some handles to RocksDB.
type Store struct {
	db       *rdb.DB
	opt      *rdb.Options // Contains blockopt.
	blockopt *rdb.BlockBasedTableOptions
	ropt     *rdb.ReadOptions
	wopt     *rdb.WriteOptions
}

func (s *Store) setOpts() {
	s.opt = rdb.NewDefaultOptions()
	s.blockopt = rdb.NewDefaultBlockBasedTableOptions()
	s.opt.SetBlockBasedTableFactory(s.blockopt)

	"sync"
	"time"

	"github.com/dgraph-io/dgraph/x"
)

var (
	numUser    = flag.Int("numuser", 1, "number of users hitting simultaneously")
	numReq     = flag.Int("numreq", 10, "number of request per user")
	serverAddr = flag.String("ip", ":8081", "IP addr of server")
	avg        chan float64
	jsonP      chan float64
	serverP    chan float64
	parsingP   chan float64
	totalP     chan float64
	glog       = x.Log("Pinger")
)

func runUser(wg *sync.WaitGroup) {
	var ti, proT, parT, jsonT, totT time.Duration
	var query = `{
		  me(_xid_: m.0f4vbz) {
			    type.object.name.en
			    film.actor.film {
				      film.performance.film {
					        type.object.name.en
				      }
			    }
		  }
		}`

	"net"
	"net/rpc"
	"strconv"
	"time"

	"github.com/coreos/etcd/raft"
	"github.com/coreos/etcd/raft/raftpb"
	"github.com/dgraph-io/dgraph/conn"
	"github.com/dgraph-io/dgraph/x"
	"golang.org/x/net/context"
)

var (
	hb               = 1
	pools            = make(map[uint64]*conn.Pool)
	glog             = x.Log("RAFT")
	peers            = make(map[uint64]string)
	confCount uint64 = 0
)

type node struct {
	id     uint64
	addr   string
	ctx    context.Context
	pstore map[string]string
	store  *raft.MemoryStorage
	cfg    *raft.Config
	raft   raft.Node
	ticker <-chan time.Time
	done   <-chan struct{}
}