Example #1
0
// Symbol looks up the program counters listed in the request,
// responding with a table mapping program counters to function names.
// The package initialization registers it as /debug/pprof/symbol.
func Symbol(c *http.Conn, r *http.Request) {
	c.SetHeader("content-type", "text/plain; charset=utf-8")

	// We don't know how many symbols we have, but we
	// do have symbol information.  Pprof only cares whether
	// this number is 0 (no symbols available) or > 0.
	fmt.Fprintf(c, "num_symbols: 1\n")

	var b *bufio.Reader
	if r.Method == "POST" {
		b = bufio.NewReader(r.Body)
	} else {
		b = bufio.NewReader(strings.NewReader(r.URL.RawQuery))
	}

	for {
		w, err := b.ReadSlice('+')
		if err == nil {
			w = w[0 : len(w)-1] // trim +
		}
		pc, _ := strconv.Btoui64(string(w), 0)
		if pc != 0 {
			f := runtime.FuncForPC(uintptr(pc))
			if f != nil {
				fmt.Fprintf(c, "%#x %s\n", pc, f.Name())
			}
		}

		// Wait until here to check for err; the last
		// symbol will have an err because it doesn't end in +.
		if err != nil {
			break
		}
	}
}
Example #2
0
func main() {
	// connect to server
	conn, err := net.Dial("tcp", ":15440")
	if err != nil {
		fmt.Fprintf(os.Stderr, "Error connecting to port 15440: %v\n", err)
		os.Exit(1)
	}

	for {
		// get message from stdin
		fmt.Println("Say something: ")
		message, err := bufio.NewReader(os.Stdin).ReadString('\n')
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error reading from stdin: %v\n", err)
			os.Exit(1)
		}

		// send message to server
		fmt.Fprintf(conn, "%v\n", message)

		// receive message from server
		message, err = bufio.NewReader(conn).ReadString('\n')
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error reading from server: %v\n", err)
			os.Exit(1)
		}

		// print server message to Stdout
		fmt.Fprintf(os.Stdout, "%v\n", message)
	}
}
Example #3
0
func dsInTxt(c *cmdapp.Command, fname string) {
	var in *bufio.Reader
	if len(fname) > 0 {
		f, err := os.Open(fname)
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s\n", c.ErrStr(err))
			return
		}
		defer f.Close()
		in = bufio.NewReader(f)
	} else {
		in = bufio.NewReader(os.Stdin)
	}
	for {
		tn, err := readLine(in)
		if err != nil {
			break
		}
		ln := strings.Join(tn, " ")
		set := &jdh.Dataset{
			Title: ln,
		}
		id, err := localDB.Exec(jdh.Add, jdh.Datasets, set)
		if err != nil {
			fmt.Fprintf(os.Stderr, "%s\n", c.ErrStr(err))
			continue
		}
		if verboseFlag {
			fmt.Fprintf(os.Stdout, "%s %s\n", id, set.Title)
		}
	}
}
Example #4
0
// waiter is a function that waits for any messages received by the connection to the server.
// When a message comes in, the screen will be re-rendered.
func waiter(connection net.Conn) {
	rawMessage, err := bufio.NewReader(connection).ReadString('\x04')

loop:
	for err == nil {

		mutex.Lock()
		message := rawMessage[1 : len(rawMessage)-1]
		switch rawMessage[0] {
		case '\x00':
			printer.run = false
			message = strings.Replace(message, "\x1f", ": ", 2)
			clientSettings.messageList = append(clientSettings.messageList, message)
			printer.printMessages()
		case '\x01':
			clientSettings.messageList = append(clientSettings.messageList, "[ "+message+" says hi :) ]")
		case '\x02':
			clientSettings.messageList = append(clientSettings.messageList, "[ "+message+" says bye :( ]")
		case '\x03':
			clientSettings.messageList = append(clientSettings.messageList, "[ SERVER: "+message+" ]")
			break loop
		}
		mutex.Unlock()

		rawMessage, err = bufio.NewReader(connection).ReadString('\x04')
	}

	printer.printMessages()
	printer.run = false
	if err != nil {
		fmt.Println("ERROR: Connection to server lost.")
	}
	cleanup(connection)
}
Example #5
0
func TestStarRequest(t *testing.T) {
	req, err := ReadRequest(bufio.NewReader(strings.NewReader("M-SEARCH * HTTP/1.1\r\n\r\n")))
	if err != nil {
		return
	}
	var out bytes.Buffer
	if err := req.Write(&out); err != nil {
		t.Fatal(err)
	}
	back, err := ReadRequest(bufio.NewReader(&out))
	if err != nil {
		t.Fatal(err)
	}
	// Ignore the Headers (the User-Agent breaks the deep equal,
	// but we don't care about it)
	req.Header = nil
	back.Header = nil
	if !reflect.DeepEqual(req, back) {
		t.Errorf("Original request doesn't match Request read back.")
		t.Logf("Original: %#v", req)
		t.Logf("Original.URL: %#v", req.URL)
		t.Logf("Wrote: %s", out.Bytes())
		t.Logf("Read back (doesn't match Original): %#v", back)
	}
}
func TestHandling(t *testing.T) {
	cn, err := net.Dial("tcp", "localhost:3636")
	if err != nil {
		fmt.Println(err)
		t.FailNow()
	}

	shortMsg := "%d gameStart\n"
	longMsg := "%d gotta type a very long message such that it is over 100 chars such that it will detect it as being a GameEnd event\n"

	for i := 0; i < 2; i++ {
		_, err := cn.Write([]byte(fmt.Sprintf(shortMsg, i)))
		if err != nil {
			fmt.Println(err)
		}
		_, err = bufio.NewReader(cn).ReadString('\n')
		if err != nil {
			fmt.Println(err)
		}
		_, err = cn.Write([]byte(fmt.Sprintf(longMsg, i)))
		if err != nil {
			fmt.Println(err)
		}
		_, err = bufio.NewReader(cn).ReadString('\n')
		if err != nil {
			fmt.Println(err)
		}
	}

	cn.Close()
}
Example #7
0
// Dial connects to server at address
func (handler *ConnHandler) Dial(addr string) ([]Peer, error) {
	var peers []Peer
	conn, err := net.Dial("tcp", addr)
	if err != nil {
		log.Println(err)
		return nil, err
	}
	writer := bufio.NewWriter(conn)
	reader := bufio.NewReader(conn)
	line, _ := reader.ReadString('\n')
	line = strings.Trim(line, "\n")
	addrs := strings.Split(line, ";")
	info := strings.Split(addrs[0], ",")
	writer.WriteString(handler.String() + "\n")
	writer.Flush()
	peers = append(peers, NewPeer(conn, conn, info[0], info[1]))
	for _, a := range addrs[1:] {
		info := strings.Split(a, ",")
		c, _ := net.Dial("tcp", info[0])
		writer = bufio.NewWriter(c)
		writer.WriteString(handler.String() + "\n")
		writer.Flush()
		reader = bufio.NewReader(c)
		line, _ = reader.ReadString('\n')
		peers = append(peers, NewPeer(c, c, info[0], info[1]))
	}
	return peers, nil
}
Example #8
0
func TestServeHTTPReadRequestError(t *testing.T) {
	p := NewProxy(mitm)
	// Shorten the timeout to force a ReadRequest error.
	p.Timeout = time.Second

	rc, wc := pipeWithTimeout()
	defer rc.Close()
	defer wc.Close()

	rw := newHijackRecorder(wc)
	req, err := http.NewRequest("CONNECT", "//www.example.com:443", nil)
	if err != nil {
		t.Fatalf("http.NewRequest(): got %v, want no error", err)
	}

	go p.ServeHTTP(rw, req)

	res, err := http.ReadResponse(bufio.NewReader(rc), req)
	if err != nil {
		t.Fatalf("http.ReadResponse(): got %v, want no error", err)
	}
	res.Body.Close()

	tlsConn := tlsClient(rc, p.mitm.Authority, "www.example.com")
	tlsConn.Write([]byte("INVALID /invalid NOTHTTP/1.1\r\n"))

	if _, err = http.ReadResponse(bufio.NewReader(tlsConn), nil); err != io.ErrUnexpectedEOF {
		t.Fatalf("http.ReadResponse(): got %v, want io.ErrUnexpectedEOF", err)
	}
}
Example #9
0
func (t *Testbed) Start() {
	t.mu.Lock()
	defer t.mu.Unlock()

	if t.pipe != nil {
		return
	}

	t.pipe = exec.Command(t.cmd, t.args...)

	w, err := t.pipe.StdinPipe()
	if err != nil {
		panic(err)
	}
	t.apiWrite = bufio.NewWriter(w)

	r, err := t.pipe.StdoutPipe()
	if err != nil {
		panic(err)
	}
	t.apiRead = bufio.NewReader(r)

	r, err = t.pipe.StderrPipe()
	if err != nil {
		panic(err)
	}
	t.apiErr = bufio.NewReader(r)

	if err := t.pipe.Start(); err != nil {
		panic(err)
	}
}
Example #10
0
/**
 * Load and process the api blueprint file to get the endpoints,
 * requests and responses
 */
func ProcessApiBlueprintTest(filepath string) map[string]string {

	bpm := make(map[string]string)

	apibfile, err := os.Open("blueprint/test_buyers.json")
	if err != nil {
		fmt.Printf("error opening file: %v\n", err)
		os.Exit(1)
	}
	var outputmock string
	reader := bufio.NewReader(apibfile)
	line, e := Readln(reader)
	for e == nil {
		outputmock += line
		line, e = Readln(reader)
	}
	bpm["/crm-api/v1.0/buyers"] = outputmock

	apibfile, err = os.Open("blueprint/test_purchases.json")
	if err != nil {
		fmt.Printf("error opening file: %v\n", err)
		os.Exit(1)
	}
	reader = bufio.NewReader(apibfile)
	line, e = Readln(reader)
	for e == nil {
		outputmock += line
		line, e = Readln(reader)
	}
	bpm["/crm-api/v1.0/purchases"] = outputmock

	return bpm
}
Example #11
0
func main() {
	flag.StringVar(&in, "i", "", "input file (*.apib)")
	flag.Parse()
	if in == "" {
		fmt.Println("no input file provided. usage: -i input.apib")
		os.Exit(1)
	}
	f, err := os.Open(in)
	if err != nil {
		fmt.Printf("error while opening file %s: %v\n", in, err)
		os.Exit(1)
	}
	defer f.Close()
	rd := bufio.NewReader(f)
	input, err := ioutil.ReadAll(rd)
	if err != nil {
		fmt.Printf("error while reading file %s: %v\n", in, err)
		os.Exit(1)
	}
	errorCode := 0
	b, err := godrafter.DrafterParse(input, 0)
	if err != nil {
		fmt.Printf("error while parsing: %v\n", err)
		errorCode = 1
	}
	if b != nil {
		rd = bufio.NewReader(bytes.NewReader(b))
		_, err = io.Copy(os.Stdout, rd)
		if err != nil {
			fmt.Printf("io error: %v\n", err)
			errorCode = 2
		}
	}
	os.Exit(errorCode)
}
Example #12
0
// handleConn processes conn. This is run in a separate goroutine.
func (s *Service) handleConn(conn net.Conn) {
	defer s.statMap.Add(statConnectionsActive, -1)
	s.statMap.Add(statConnectionsActive, 1)
	s.statMap.Add(statConnectionsHandled, 1)

	// Read header into buffer to check if it's HTTP.
	var buf bytes.Buffer
	r := bufio.NewReader(io.TeeReader(conn, &buf))

	// Attempt to parse connection as HTTP.
	_, err := http.ReadRequest(r)

	// Rebuild connection from buffer and remaining connection data.
	bufr := bufio.NewReader(io.MultiReader(&buf, conn))
	conn = &readerConn{Conn: conn, r: bufr}

	// If no HTTP parsing error occurred then process as HTTP.
	if err == nil {
		s.statMap.Add(statHTTPConnectionsHandled, 1)
		s.httpln.ch <- conn
		return
	}

	// Otherwise handle in telnet format.
	s.wg.Add(1)
	s.handleTelnetConn(conn)
}
Example #13
0
func ReadBinlog(reader io.Reader) (err error) {
	c := &proto.BufReader{Reader: bufio.NewReader(reader)}
	buf := &bytes.Buffer{}
	r := &proto.BufReader{Reader: bufio.NewReader(buf)}
	tmp := make([]byte, 4)
	_, err = c.Read(tmp)
	if err != nil {
		return
	}

	// http://dev.mysql.com/doc/internals/en/binlog-file-header.html
	if bytes.Compare(tmp, []byte{0xfe, 0x62, 0x69, 0x6e}) != 0 {
		err = ErrFileHeader
		return
	}

	h := &EventHeader{}
	h.Read(c)
	spew.Dump(h)
	_, err = io.CopyN(buf, c, int64(h.EventSize))
	if err != nil {
		panic(err)
	}
	f := &FormatDescriptionEvent{}
	f.Read(r)
	spew.Dump(f)
	return
}
Example #14
0
func test() {
	cmd := exec.Command("/usr/local/bin/python", "test.py")
	outPipe, err := cmd.StdoutPipe()
	if err != nil {
		fmt.Println(err)
	}
	errPipe, err := cmd.StderrPipe()
	if err != nil {
		fmt.Println(err)
	}
	outBuf := bufio.NewReader(outPipe)
	errBuf := bufio.NewReader(errPipe)
	go stdOut(outBuf)
	go stdErr(errBuf)
	err = cmd.Start()
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(cmd.Process.Pid)
	defer cmd.Process.Kill()
	defer cmd.Process.Release()
	cmd.Wait()

}
Example #15
0
File: main.go Project: uluyol/tools
func bodyDiff(win *acme.Win, ffile string) (bool, error) {
	tf, err := os.Open(ffile)
	if err != nil {
		return false, err
	}
	defer tf.Close()
	win.Seek("body", 0, 0)
	fr := bufio.NewReader(tf)
	br := bufio.NewReader(&bodyReader{win})
	for {
		fb, errf := fr.ReadByte()
		if errf != nil && errf != io.EOF {
			return false, errf
		}
		bb, errb := br.ReadByte()
		if errb != nil && errb != io.EOF {
			return false, errb
		}
		if fb != bb {
			return true, nil
		}
		if errf == io.EOF && errb == io.EOF {
			return false, nil
		}
	}
}
Example #16
0
func main() {
	// listen for connections
	if ln, err := net.Listen("tcp", ":8080"); err == nil {
		for {
			// accept connections
			if conn, err := ln.Accept(); err == nil {
				reader := bufio.NewReader(conn)
				// read requests from the client
				if req, err := http.ReadRequest(reader); err == nil {
					// connect to the backend web server
					if be, err := net.Dial("tcp", "127.0.0.1:8081"); err == nil {
						be_reader := bufio.NewReader(be)
						// send the request to the backend
						if err := req.Write(be); err == nil {
							// read the response from the backend
							if resp, err := http.ReadResponse(be_reader, req); err == nil {
								// send the response to the client, making sure to close it
								resp.Close = true
								if err := resp.Write(conn); err == nil {
									log.Printf("proxied %s: got %d", req.URL.Path, resp.StatusCode)
								}
								conn.Close()
								// loop back to accepting the next connection
							}
						}
					}
				}
			}
		}
	}
}
Example #17
0
File: bix.go Project: brentp/bix
func (tbx *Bix) Query(region interfaces.IPosition) (interfaces.RelatableIterator, error) {
	tbx2, err := newShort(tbx)
	if err != nil {
		return nil, err
	}
	if region == nil {
		var l string
		var err error
		buf := bufio.NewReader(tbx2.bgzf)
		l, err = buf.ReadString('\n')
		for i := 0; i < int(tbx2.Index.Skip) || rune(l[0]) == tbx2.Index.MetaChar; i++ {
			l, err = buf.ReadString('\n')
			if err != nil {
				return nil, err
			}
		}
		if tbx2.Index.Skip == 0 && rune(l[0]) != tbx2.Index.MetaChar {
			buf = bufio.NewReader(io.MultiReader(strings.NewReader(l), buf))
		}
		return bixerator{nil, buf, tbx2, region}, nil
	}

	cr, err := tbx2.ChunkedReader(region.Chrom(), int(region.Start()), int(region.End()))
	if err != nil {
		if cr != nil {
			tbx2.Close()
			cr.Close()
		}
		return nil, err
	}
	return bixerator{cr, bufio.NewReader(cr), tbx2, region}, nil
}
Example #18
0
func main() {
	// 1. Listen for connections.
	if ln, err := net.Listen("tcp", ":8080"); err == nil {
		for {
			// 2. Accept connections.
			if conn, err := ln.Accept(); err == nil {
				reader := bufio.NewReader(conn)
				// 3. Read requests from the client.
				if req, err := http.ReadRequest(reader); err == nil {
					// 4. Connect to the backend web server.
					if be, err := net.Dial("tcp", "127.0.0.1:8081"); err == nil {
						be_reader := bufio.NewReader(be)
						// 5. Send the request to the backend.
						if err := req.Write(be); err == nil {
							// 6. Read the response from the backend.
							if resp, err := http.ReadResponse(be_reader, req); err == nil {
								// 7. Send the response to the client, making sure to close it.
								resp.Close = true
								if err := resp.Write(conn); err == nil {
									log.Printf("proxied %s: got %d", req.URL.Path, resp.StatusCode)
								}
								conn.Close()
								// Repeat back at 2: accept the next connection.
							}
						}
					}
				}
			}
		}
	}
}
Example #19
0
// handleConnection is spawned once per connection from a client,
// and exits when the client is done sending requests
func handleConnection(conn net.Conn) {
	// always close the conn no matter how this function exits:
	defer conn.Close()
	reader := bufio.NewReader(conn)
	// loop to handle multiple requests from user conn,
	// since we are now running concurrently:
	for {
		req, err := http.ReadRequest(reader)
		if err != nil {
			if err != io.EOF {
				log.Printf("Failed to read request: %s", err)
			}
			return
		}
		// connect to a backend and send the request along
		if be, err := net.Dial("tcp", "127.0.0.1:8081"); err == nil {
			be_reader := bufio.NewReader(be)
			if err := req.Write(be); err == nil {
				if resp, err := http.ReadResponse(be_reader, req); err == nil {
					FixHttp10Response(resp, req)
					if err := resp.Write(conn); err == nil {
						log.Printf("proxied %s: got %d", req.URL.Path, resp.StatusCode)
					}
					if resp.Close {
						return
					}
				}
			}
		}
	}
}
Example #20
0
File: ot_test.go Project: kpmy/ot
func TestGenerate(t *testing.T) {
	const testTemplate = `
	html:
		body: br awef wef "fwef'wef" 22323 0.1112 49U true false nil inf -inf
		;
	;`

	p := otp.ConnectTo(ots.ConnectTo(bufio.NewReader(bytes.NewBufferString(testTemplate))))
	if tpl, err := p.Template(); err == nil {
		m := conv.Map(tpl)
		conv.Resolve(m)

		buf := bytes.NewBuffer(nil)
		otg.ConnectTo(buf).Write(m)
		s := buf.String()
		t.Log(s)
		p0 := otp.ConnectTo(ots.ConnectTo(bufio.NewReader(bytes.NewBufferString(s))))
		if tpl0, err0 := p0.Template(); err0 == nil {
			m0 := conv.Map(tpl0)
			conv.Resolve(m0)
			prettyPrintObject(m0, t)
		}
	} else {
		t.Fatal(err)
	}
	{
		buf := bytes.NewBuffer(nil)
		otg.ConnectTo(buf).Write(conv.Begin(otm.Qualident{Class: "test"}).Value("asdf asdf asdf `asdfasdf").Value([]uint8{0, 1, 2, 3, 4}).End())
		s := buf.String()
		t.Log(s)
	}
}
Example #21
0
func main() {
	conn, err := net.Dial("tcp", "127.0.0.1:8081")

	if err != nil {
		fmt.Println("connect to server error!")
		return
	}
	defer conn.Close()

	message, _ := bufio.NewReader(conn).ReadString('\n')
	fmt.Print(message)
	for {
		// read in input from stdin
		reader := bufio.NewReader(os.Stdin)
		fmt.Print("Text to send: ")
		text, _ := reader.ReadString('\n')

		// send to socket
		_, _ = conn.Write([]byte(text))
		//fmt.Fprintf(conn, text + "\n")

		// listen for reply
		message, _ := bufio.NewReader(conn).ReadString('\n')
		if (message == "Good bye\n") {
			break
		} else {
			fmt.Print("Message from server: " + message)
		}
	}
	fmt.Println("conn is closed")
}
Example #22
0
func check(dest, src string) {
	f, err := os.Open(src)
	if err != nil {
		fmt.Printf("couldn't open %q: %v\n", src, err)
		return
	}
	defer f.Close()
	freader := bufio.NewReader(f)

	g, err := os.Open(dest)
	if err != nil {
		fmt.Printf("couldn't open %q: %v\n", src, err)
		return
	}
	defer g.Close()
	greader := bufio.NewReader(g)

	for {
		fb, ferr := freader.ReadByte()
		gb, gerr := greader.ReadByte()

		if ferr == io.EOF && gerr == io.EOF {
			break
		}
		if fb == gb {
			continue
		}
		fmt.Println("FAIL")
		return
	}

	fmt.Println("PASS")
}
Example #23
0
func prolixSpawn(args []string) {
	if verbose {
		fmt.Printf("Running: %q\n", args)
	}

	cmd := exec.Command(args[0], args[1:]...)
	outReader, err := cmd.StdoutPipe()
	if err != nil {
		panic(err)
	}
	outc := make(chan string)
	errReader, err := cmd.StderrPipe()
	if err != nil {
		panic(err)
	}
	errc := make(chan string)
	err = cmd.Start()
	if err != nil {
		panic(err)
	}

	go readPipe(bufio.NewReader(outReader), outc)
	go readPipe(bufio.NewReader(errReader), errc)

	doneDemux := make(chan string)
	go demux(outc, errc, doneDemux)
	res := <-doneDemux
	if res == "kill" {
		shutdown(cmd.Process)
	}
	err = cmd.Wait()
	// TODO(gaal): exit with child err?
}
Example #24
0
File: tail.go Project: broady/gobby
func Tail(conn *irc.Conn, channel, filename string, fn func(string) bool) {
	AutoJoin(conn, channel)
	f, err := os.Open(filename, 0, 0)
	if err != nil {
		log.Println(err)
		return
	}
	_, err = f.Seek(0, 2)
	if err != nil {
		log.Println(err)
		return
	}
	b := bufio.NewReader(f)
	go func() {
		for {
			l, err := b.ReadBytes('\n')
			if err != nil {
				if err == os.EOF {
					time.Sleep(1e9)
					b = bufio.NewReader(f)
					continue
				}
				log.Println(err)
				break
			}
			s := string(l[:len(l)-1])
			if fn(s) {
				conn.Privmsg(channel, s)
			}
		}
	}()
}
Example #25
0
func main() {
	flag.Parse()

	if *showVersion {
		fmt.Printf("json2csv v1.1\n")
		return
	}

	var reader *bufio.Reader
	var writer *csv.Writer
	if *inputFile != "" {
		file, err := os.OpenFile(*inputFile, os.O_RDONLY, 0600)
		if err != nil {
			log.Printf("Error %s opening %v", err, *inputFile)
			return
		}
		reader = bufio.NewReader(file)
	} else {
		reader = bufio.NewReader(os.Stdin)
	}

	if *outputFile != "" {
		file, err := os.OpenFile(*outputFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
		if err != nil {
			log.Printf("Error %s opening outputFile %v", err, *outputFile)
		}
		writer = csv.NewWriter(file)
	} else {
		writer = csv.NewWriter(os.Stdout)
	}

	json2csv(reader, writer, keys)
}
Example #26
0
// handleConnection is spawned once per connection from a client, and exits when the client is
// done sending requests.
func handleConnection(conn net.Conn) {
	defer conn.Close()
	reader := bufio.NewReader(conn)

	for {
		req, err := http.ReadRequest(reader)
		if err != nil {
			if err != io.EOF {
				log.Printf("Failed to read request: %s", err)
			}
			return
		}

		// Connect to a backend and send the request along.
		if be, err := net.Dial("tcp", "127.0.0.1:8081"); err == nil {
			be_reader := bufio.NewReader(be)
			if err := req.Write(be); err == nil {
				if resp, err := http.ReadResponse(be_reader, req); err == nil {
					FixHttp10Response(resp, req)
					if err := resp.Write(conn); err == nil {
						log.Printf("proxied %s: got %d", req.URL.Path, resp.StatusCode)
					}
					if resp.Close {
						return
					}
				}
			}
		}
	}
}
Example #27
0
/*
* This function is test server capabilties to handle load and concurrency
 */
func TestServerConcurrently(t *testing.T) {
	done := make(chan bool, 10)

	clientContents := []struct{ content string }{{"ONE"}, {"TWO"}, {"THREE"}, {"FOUR"}, {"FIVE"}, {"SIX"}, {"SEVEN"}, {"EIGHT"}, {"NINE"}, {"TEN"}}

	filename := "f"
	i := 1
	//it does not check for concurrency but test server ability to buffer and handle many clients at once
	for _, e := range clientContents {
		con := getConnection(t)
		defer con.Close()
		reader := bufio.NewReader(con)
		go routineWork(t, con, reader, done, filename+strconv.Itoa(i), e.content)
		i++
	}

	//do concurrency test
	for _, e := range clientContents {
		con := getConnection(t)
		defer con.Close()
		reader := bufio.NewReader(con)
		go concurrent(t, con, reader, done, filename+strconv.Itoa(i), e.content)
		i++
	}

	// Wait for tests to finish
	for i := 1; i <= 2*len(clientContents); i++ {
		<-done
	}

}
Example #28
0
func main() {
	var filename string
	var in *bufio.Reader
	var err error

	// use the file if there is an argument, otherwise use stdin
	if flag.NArg() == 0 {
		filename = "stdin"
		in = bufio.NewReader(os.NewFile(0, "stdin"))
	} else {
		filename = flag.Arg(0)
		f, err := os.Open(filename)
		if err != nil {
			log.Fatal("Open:", err)
		}
		defer f.Close()

		if fi, err := f.Stat(); err != nil || fi.IsDir() {
			log.Fatalf("err(%s) or %s IsDir", err, filename)
		}

		in = bufio.NewReader(f)
	}

	goSource, err := transliterate(filename, in)
	if err != nil {
		log.Fatalf("%s", err)
	}

	err = compileAndLink(goSource, outPath)
	if err != nil {
		log.Fatalf("compileAndLink('%s')", goSource, err)
	}
}
Example #29
0
func getLogReader(logfile string, logf *os.File) (*bufio.Reader, error) {
	var rdr *bufio.Reader
	// Is this a gzip file?
	if path.Ext(logfile) == gzipext {
		gzrdr, err := gzip.NewReader(logf)
		if err != nil {
			return nil, err
		}
		rdr = bufio.NewReader(gzrdr)
	} else {
		// See if the file has shrunk. If so, read from the beginning.
		fi, err := logf.Stat()
		if err != nil {
			return nil, err
		}
		if fi.Size() < pos {
			pos = 0
		}
		logf.Seek(pos, os.SEEK_SET)
		fmt.Printf("Starting read at offset %d\n", pos)
		rdr = bufio.NewReader(logf)
	}

	return rdr, nil
}
Example #30
0
func (s *Stream) consume(resp *http.Response) {
	reader := bufio.NewReader(resp.Body)

	var (
		b   []byte
		err error
	)

	for {
		select {
		case <-s.stop:
			resp.Body.Close()
			close(s.stop)
			close(s.errors)
			close(s.data)
			return
		default:
			b, err = s.consumer.Consume(reader)

			if err != nil {
				resp.Body.Close()
				time.Sleep(10 * time.Second)

				if resp, err = s.connect(); err != nil {
					s.errors <- err
					continue
				}

				reader = bufio.NewReader(resp.Body)
			}

			s.data <- b
		}
	}
}