Golang bufio.Writer类代码示例

本文整理汇总了Golang中bufio.Writer类的典型用法代码示例。如果您正苦于以下问题：Golang Writer类的具体用法？Golang Writer怎么用？Golang Writer使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Writer类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: writeSuccessResponseHeader

func writeSuccessResponseHeader(w *bufio.Writer, opcode uint8, keyLength, extraLength,
    totalBodyLength int, opaque uint32, flush bool) error {

    header := resHeadPool.Get().(ResponseHeader)

    header.Magic = MagicResponse
    header.Opcode = opcode
    header.KeyLength = uint16(keyLength)
    header.ExtraLength = uint8(extraLength)
    header.DataType = uint8(0)
    header.Status = StatusSuccess
    header.TotalBodyLength = uint32(totalBodyLength)
    header.OpaqueToken = opaque
    header.CASToken = uint64(0)

    if err := writeResponseHeader(w, header); err != nil {
        resHeadPool.Put(header)
        return err
    }

    if flush {
        if err := w.Flush(); err != nil {
            resHeadPool.Put(header)
            return err
        }
    }

    metrics.IncCounterBy(common.MetricBytesWrittenRemote, resHeaderLen)
    resHeadPool.Put(header)

    return nil
}

开发者ID:Netflix，项目名称:rend，代码行数:32，代码来源:respond.go

示例2: writeBodyFixedSize

func writeBodyFixedSize(w *bufio.Writer, r io.Reader, size int64) error {
    if size > maxSmallFileSize {
        // w buffer must be empty for triggering
        // sendfile path in bufio.Writer.ReadFrom.
        if err := w.Flush(); err != nil {
            return err
        }
    }

    // Unwrap a single limited reader for triggering sendfile path
    // in net.TCPConn.ReadFrom.
    lr, ok := r.(*io.LimitedReader)
    if ok {
        r = lr.R
    }

    n, err := copyZeroAlloc(w, r)

    if ok {
        lr.N -= n
    }

    if n != size && err == nil {
        err = fmt.Errorf("copied %d bytes from body stream instead of %d bytes", n, size)
    }
    return err
}

开发者ID:stellar，项目名称:bridge-server，代码行数:27，代码来源:http.go

示例3: outputResults

func (r Resolver) outputResults(w *bufio.Writer, results gresults) {
    var zip, city, state, stateName, county, country, countryName string
    var latitude, longitude float32

    var comp addressComponent
    var err error
    for _, res := range results.Results {
        if comp, err = res.findAddressComponent(zipType); err == nil {
            zip = comp.LongName
        }
        if comp, err = res.findAddressComponent(cityType); err == nil {
            city = comp.LongName
        }
        if comp, err = res.findAddressComponent(countyType); err == nil {
            county = comp.LongName
        }
        if comp, err = res.findAddressComponent(stateType); err == nil {
            state = strings.ToUpper(comp.ShortName)
            stateName = comp.LongName
        }
        if comp, err = res.findAddressComponent(countryType); err == nil {
            country = strings.ToUpper(comp.ShortName)
            countryName = comp.LongName
        }
        latitude = res.Geometry.Location.Lat
        longitude = res.Geometry.Location.Lng
    }
    w.WriteString(fmt.Sprintf("%v,\"%v\",\"%v\",\"%v\",\"%v\",\"%v\",\"%v\",%v,%v\n", country, zip, city, state, stateName, county, countryName, latitude, longitude))
    w.Flush()
}

开发者ID:rchargel，项目名称:zilch，代码行数:30，代码来源:resolver.go

示例4: NewStreamReader

// NewStreamReader returns a reader, which replays all the data generated by sw.
//
// The returned reader may be passed to Response.SetBodyStream.
//
// Close must be called on the returned reader after all the required data
// has been read. Otherwise goroutine leak may occur.
//
// See also Response.SetBodyStreamWriter.
func NewStreamReader(sw StreamWriter) io.ReadCloser {
    pc := fasthttputil.NewPipeConns()
    pw := pc.Conn1()
    pr := pc.Conn2()

    var bw *bufio.Writer
    v := streamWriterBufPool.Get()
    if v == nil {
        bw = bufio.NewWriter(pw)
    } else {
        bw = v.(*bufio.Writer)
        bw.Reset(pw)
    }

    go func() {
        defer func() {
            if r := recover(); r != nil {
                defaultLogger.Printf("panic in StreamWriter: %s\nStack trace:\n%s", r, debug.Stack())
            }
        }()

        sw(bw)
        bw.Flush()
        pw.Close()

        streamWriterBufPool.Put(bw)
    }()

    return pr
}

开发者ID:cloudfoundry-incubator，项目名称:routing-perf-release，代码行数:38，代码来源:stream.go

示例5: authenticate

// authenticate authenticates ourselves with the X server.
// displayStr is the "12" out of ":12.0".
func authenticate(w *bufio.Writer, displayStr string) os.Error {
    key, value, err := readAuth(displayStr)
    if err != nil {
        return err
    }
    // Assume that the authentication protocol is "MIT-MAGIC-COOKIE-1".
    if len(key) != 18 || len(value) != 16 {
        return os.NewError("unsupported Xauth")
    }
    // 0x006c means little-endian. 0x000b, 0x0000 means X major version 11, minor version 0.
    // 0x0012 and 0x0010 means the auth key and value have lengths 18 and 16.
    // The final 0x0000 is padding, so that the string length is a multiple of 4.
    _, err = io.WriteString(w, "\x6c\x00\x0b\x00\x00\x00\x12\x00\x10\x00\x00\x00")
    if err != nil {
        return err
    }
    _, err = io.WriteString(w, key)
    if err != nil {
        return err
    }
    // Again, the 0x0000 is padding.
    _, err = io.WriteString(w, "\x00\x00")
    if err != nil {
        return err
    }
    _, err = io.WriteString(w, value)
    if err != nil {
        return err
    }
    err = w.Flush()
    if err != nil {
        return err
    }
    return nil
}

开发者ID:machinaut，项目名称:go，代码行数:37，代码来源:conn.go

示例6: WriteResponse

func (c *DefaultServerCodec) WriteResponse(wr *bufio.Writer, proto *Proto) (err error) {
    log.Debug("write proto: %v", proto)
    // packlen =header(16) + body
    if err = binary.Write(wr, binary.BigEndian, uint32(rawHeaderLen)+uint32(len(proto.Body))); err != nil {
        log.Error("packLen: binary.Write() error(%v)", err)
        return
    }
    if err = binary.Write(wr, binary.BigEndian, rawHeaderLen); err != nil {
        log.Error("headerLen: binary.Write() error(%v)", err)
        return
    }
    if err = binary.Write(wr, binary.BigEndian, proto.Ver); err != nil {
        log.Error("protoVer: binary.Write() error(%v)", err)
        return
    }
    if err = binary.Write(wr, binary.BigEndian, proto.Operation); err != nil {
        log.Error("operation: binary.Write() error(%v)", err)
        return
    }
    if err = binary.Write(wr, binary.BigEndian, proto.SeqId); err != nil {
        log.Error("seqId: binary.Write() error(%v)", err)
        return
    }
    if proto.Body != nil {
        if _, err = wr.Write(proto.Body); err != nil {
            log.Error("body: wr.Write() error(%v)", err)
            return
        }
    }
    return wr.Flush()
}

开发者ID:xingskycn，项目名称:goim，代码行数:31，代码来源:codec.go

示例7: Write

// Write writes response to w.
//
// Write doesn't flush response to w for performance reasons.
func (resp *Response) Write(w *bufio.Writer) error {
    var err error
    if resp.bodyStream != nil {
        contentLength := resp.Header.ContentLength()
        if contentLength >= 0 {
            if err = resp.Header.Write(w); err != nil {
                return err
            }
            if err = writeBodyFixedSize(w, resp.bodyStream, contentLength); err != nil {
                return err
            }
        } else {
            resp.Header.SetContentLength(-1)
            if err = resp.Header.Write(w); err != nil {
                return err
            }
            if err = writeBodyChunked(w, resp.bodyStream); err != nil {
                return err
            }
        }
        if bsc, ok := resp.bodyStream.(io.Closer); ok {
            err = bsc.Close()
        }
        return err
    }

    resp.Header.SetContentLength(len(resp.body))
    if err = resp.Header.Write(w); err != nil {
        return err
    }
    _, err = w.Write(resp.body)
    return err
}

开发者ID:mgostick，项目名称:fasthttp，代码行数:36，代码来源:http.go

示例8: doWriteRune

func doWriteRune(w *bufio.Writer) {
    if written, err := w.WriteRune(rune('o')); err != nil {
        log.Fatalf("failed writing a rune: %s", err)
    } else {
        log.Printf("Wrote rune in %d bytes", written)
    }
}

开发者ID:johnvilsack，项目名称:golang-stuff，代码行数:7，代码来源:writing.go

示例9: doWriteString

func doWriteString(w *bufio.Writer) {
    if written, err := w.WriteString(", The Standard Library\n"); err != nil {
        log.Fatalf("failed writing string: %s", err)
    } else {
        log.Printf("Wrote string in %d bytes", written)
    }
}

开发者ID:johnvilsack，项目名称:golang-stuff，代码行数:7，代码来源:writing.go

示例10: emit_allele_path_item

func emit_allele_path_item(ofp *bufio.Writer) {

    for k := range g_allele_path_item {

        for i := 0; i < len(g_allele_path_item[k]); i++ {
            s := fmt.Sprintf("%d,%d,%d,%d,%d,%s\n",
                g_allele_path_item[k][i].AlleleId,
                g_allele_path_item[k][i].PathItemIndex,
                g_allele_path_item[k][i].SequenceId,
                g_allele_path_item[k][i].Start,
                g_allele_path_item[k][i].Length,
                g_allele_path_item[k][i].StrandIsForward)
            ofp.Write([]byte(s))
        }
    }

    return

    for allele_name := range g_allele_sequenceid_path {

        allele_id := g_allele_name_id_map[allele_name]

        for i := 0; i < len(g_allele_sequenceid_path[allele_name]); i++ {
            seqid := g_allele_sequenceid_path[allele_name][i]
            s := fmt.Sprintf("%d,%d,%d,%s,%s,%s\n", allele_id, i, seqid, "NULL", "NULL", "'TRUE'")
            ofp.Write([]byte(s))
        }

    }
}

开发者ID:sguthrie，项目名称:hgvm-lighting-graph，代码行数:30，代码来源:fj2allele.go

示例11: Write

// Write writes request to w.
//
// Write doesn't flush request to w for performance reasons.
func (req *Request) Write(w *bufio.Writer) error {
    if len(req.Header.Host()) == 0 {
        uri := req.URI()
        host := uri.Host()
        if len(host) == 0 {
            return errRequestHostRequired
        }
        req.Header.SetHostBytes(host)
        req.Header.SetRequestURIBytes(uri.RequestURI())
    }

    body := req.body
    var err error
    if req.multipartForm != nil && len(req.body) == 0 {
        body, err = marshalMultipartForm(req.multipartForm, req.multipartFormBoundary)
        if err != nil {
            return fmt.Errorf("error when marshaling multipart form: %s", err)
        }
        req.Header.SetMultipartFormBoundary(req.multipartFormBoundary)
    }

    hasBody := !req.Header.noBody()
    if hasBody {
        req.Header.SetContentLength(len(body))
    }
    if err = req.Header.Write(w); err != nil {
        return err
    }
    if hasBody {
        _, err = w.Write(body)
    } else if len(body) > 0 {
        return fmt.Errorf("Non-zero body for non-POST request. body=%q", body)
    }
    return err
}

开发者ID:anilprasad，项目名称:fasthttp，代码行数:38，代码来源:http.go

示例12: writeln

func writeln(w *bufio.Writer, s string) error {
    _, err := w.WriteString(s)
    if err != nil {
        return err
    }
    return newLine(w)
}

开发者ID:ziutek，项目名称:gogammu，代码行数:7，代码来源:sms.go

示例13: Write

// Function IHex.Write writes the representation of the file to the writer `wr`.
func (ix *IHex) Write(wr *bufio.Writer) (err error) {
    for start, data := range ix.areas {
        i := 0

        for i < len(data) {
            var chunk []byte

            if i+16 <= len(data) {
                chunk = data[i : i+16]
            } else {
                chunk = data[i:]
            }

            _, err := wr.Write([]byte(makeLine(0x00, start, chunk)))
            if err != nil {
                return err
            }

            start += 16
        }
    }

    _, err = wr.Write([]byte(makeLine(0x01, 0, []byte{})))
    if err != nil {
        return err
    }

    return nil
}

开发者ID:iand，项目名称:go，代码行数:30，代码来源:ihex.go

示例14: writeErrorResponseHeader

func writeErrorResponseHeader(w *bufio.Writer, opcode uint8, status uint16, opaque uint32) error {
    header := resHeadPool.Get().(ResponseHeader)

    header.Magic = MagicResponse
    header.Opcode = opcode
    header.KeyLength = uint16(0)
    header.ExtraLength = uint8(0)
    header.DataType = uint8(0)
    header.Status = status
    header.TotalBodyLength = uint32(0)
    header.OpaqueToken = opaque
    header.CASToken = uint64(0)

    if err := writeResponseHeader(w, header); err != nil {
        resHeadPool.Put(header)
        return err
    }

    if err := w.Flush(); err != nil {
        resHeadPool.Put(header)
        return err
    }

    metrics.IncCounterBy(common.MetricBytesWrittenRemote, resHeaderLen)
    resHeadPool.Put(header)

    return nil
}

开发者ID:Netflix，项目名称:rend，代码行数:28，代码来源:respond.go

示例15: sendUpdates

func (t *TcpPlayer) sendUpdates(w *bufio.Writer, wg *sync.WaitGroup) {
    defer wg.Done()

    enc := json.NewEncoder(w)

    lastTurnSent := -1
    for update := range t.update {
        t.stateL.Lock()
        t.state = update
        t.stateL.Unlock()

        if update.Turn == lastTurnSent {
            continue
        }

        if err := enc.Encode(update); err != nil {
            t.l.Errorf("[TCP] sending update to player, %v", err)
            return
        }

        if _, err := w.WriteRune('\n'); err != nil {
            t.l.Errorf("[TCP] sending EOL to player, %v", err)
            return
        }

        if err := w.Flush(); err != nil {
            t.l.Errorf("[TCP] flushing update to player, %v", err)
            return
        }
        lastTurnSent = update.Turn
    }
}

开发者ID:uiri，项目名称:bombertcp，代码行数:32，代码来源:player.go

转自：https://vimsky.com/examples/detail/golang-ex-bufio-Writer---class.html