func main() {
var straddr string
flag.StringVar(&straddr, "a", "", "Address of the exporter")
flag.Parse()
if straddr == "" {
flag.Usage()
log.Exit("No address given")
}
bstdin := bufio.NewReader(os.Stdin)
var err os.Error
done := make(chan os.Error)
imp, err := netchan.NewImporter("tcp", straddr)
if err != nil {
log.Exit("Error creating importer: ", err)
}
go func() {
for line, err := bstdin.ReadString('\n'); err == nil; line, err = bstdin.ReadString('\n') {
go importChan(imp, strings.TrimSpace(line), done)
go func() {
err := <-done
log.Println(err)
}()
}
log.Exit("Error reading stdin: ", err)
}()
<-done
}
func main() {
addr, err := net.ResolveTCPAddr("127.0.0.1:4009")
if err != nil {
log.Exit("error:", err)
}
listener, err := net.ListenTCP("tcp", addr)
if err != nil {
log.Exit("error", err)
}
//1 channel for incoming connections, another for client communication
connections := make(chan *net.TCPConn)
clients := make(chan TClient)
cMap := make(map[string]*net.TCPConn)
fMap := make(map[string]string)
go ListenConnections(listener, connections, clients)
log.Stdout("Waiting for connections\n")
for {
select {
case conn := <-connections:
cMap[conn.RemoteAddr().String()] = conn
case client := <-clients:
if regexp.MustCompile("^have ").MatchString(client.msg) {
fMap[string(client.msg[5:len(client.msg)])] = client.local
}
if regexp.MustCompile("^list").MatchString(client.msg) {
for key, value := range fMap {
cMap[client.forserver].Write(strings.Bytes(key + "->" + value))
}
cMap[client.forserver].Write(strings.Bytes("\n"))
}
}
}
}
func audioServer() {
// Native Client requires that all audio calls
// original from a single OS thread.
runtime.LockOSThread()
n, err := av.AudioStream(nil)
if err != nil {
log.Exit(err)
}
for {
b := <-sndc
for len(b)*2 >= n {
var a []uint16
a, b = b[0:n/2], b[n/2:]
n, err = av.AudioStream(a)
if err != nil {
log.Exit(err)
}
println(n, len(b)*2)
}
a := make([]uint16, n/2)
for i := range b {
a[i] = b[i]
}
n, err = av.AudioStream(a)
}
}
func newIRC(c net.Conn) (irc *IRC) {
irc = &IRC{Reader: make(chan string, 10), Writer: make(chan string, 10)}
// start reader
go func(r *bufio.Reader) {
for {
line, err := r.ReadString('\n')
if err != nil {
log.Exit("Unable to read from channel", err)
}
log.Stdoutf("Read: %#v", line)
irc.Reader <- line
}
}(bufio.NewReader(c))
// start writer
go func(w *bufio.Writer) {
for {
line := <-irc.Writer
_, err := w.WriteString(line)
if err != nil {
log.Exit("Unable to write to channel", err)
}
err = w.Flush()
if err != nil {
log.Exit("Unable to write to channel", err)
}
log.Stdoutf("Wrote: %#v", line)
}
}(bufio.NewWriter(c))
return irc
}
func main() {
// Read the string
inputReader := bufio.NewReader(os.Stdin)
var info = Metadata{"", uint32(0), nil}
var cmd = Command{"", nil, nil, nil, ""}
infoJson, err := inputReader.ReadString('\n')
if err != nil {
log.Exit(err)
} else {
json.Unmarshal(infoJson, &info)
}
bpt, bperr := bptree.NewBpTree(info.Filename, info.Keysize, info.Fieldsizes)
if !bperr {
log.Exit("Failed B+ tree creation")
} else {
fmt.Println("ok")
}
alive := true
for alive {
cmdJson, err := inputReader.ReadString('\n')
if err != nil {
alive = false
break
}
if cmdJson == "q\n" {
alive = false
} else {
json.Unmarshal(cmdJson, &cmd)
if cmd.Op == "insert" {
result := bpt.Insert(cmd.LeftKey, cmd.Fields)
fmt.Println(result)
} else if cmd.Op == "find" {
records, ack := bpt.Find(cmd.LeftKey, cmd.RightKey)
for record := range records {
json.Marshal(os.Stdout, map[string]interface{}{
"key": record.GetKey(),
"value": record.AllFields()})
fmt.Println()
ack <- true
}
fmt.Println("end")
} else if cmd.Op == "visualize" {
bptree.Dotty(cmd.FileName, bpt)
} else if cmd.Op == "prettyprint" {
s := fmt.Sprintln(bpt)
f, _ := os.Open(cmd.FileName, os.O_RDWR|os.O_CREAT, 0666)
f.Write([]byte(s))
f.Close()
}
}
}
fmt.Println("exited")
}
// Allocates a new key block. This isn't quite as convient as the method
// for BTrees as we have to tell it if we are allocating an internal or an
// external block.
func (self *BpTree) allocate(dim *BlockDimensions) *KeyBlock {
if dim != self.external && dim != self.internal {
log.Exit("Cannot allocate a block that has dimensions that are niether the dimensions of internal or external nodes.")
}
block, ok := NewKeyBlock(self.bf, dim)
if !ok {
log.Exit("Could not allocate block PANIC")
}
return block
}
func main() {
if len(os.Args) != 2 {
log.Exit("Usage: " + os.Args[0] + " n")
}
i, err := strconv.Atoi(os.Args[1])
if err != nil {
log.Exit(err)
}
res := fib(i)
println(res)
}
func InitTables(dbh *sqlite3.Handle) {
st, err := dbh.Prepare("CREATE TABLE IF NOT EXISTS entry (id INTEGER PRIMARY KEY, body VARCHAR(255));")
if err != "" {
log.Exit(err)
}
if st.Step() != sqlite3.SQLITE_DONE {
log.Exit(dbh.ErrMsg())
}
if st.Finalize() != sqlite3.SQLITE_OK {
log.Exit(dbh.ErrMsg())
}
}
func main() {
// Dial freenode
log.Stdout("Dialing server")
server, err := IRCDial("tcp", "", "irc.freenode.net:6667") // TODO: make this not hardcoded
if err != nil {
log.Exit("Dialing error:", err)
}
// Login to the server
log.Stdout("Logging in to server")
server.Login("goo_bot", FlagInvisible)
// Send a PM to NickServ to identify
log.Stdout("Identifying to Nickserv")
server.PrivMsg("NickServ", "identify go_bot turing")
// Join a chat
log.Stdout("Joining #bottest")
bottest, _ := server.Join("#bottest") // TODO: log the errors
// Send the chat a message
log.Stdout("Greeting #bottest")
bottest.Write("hi guys!")
// We're done with the connection, close it
log.Stdout("Sleeping before closing")
time.Sleep(1e10)
log.Stdout("Closing")
server.Close()
// Talk to server (loop forever)
connReader := bufio.NewReader(server.Conn)
for i := 0; i < 100; i++ {
response, err := connReader.ReadString('\n')
if err != nil {
log.Exit("Error reading from connection:", err)
}
log.Stdoutf("RECEIVED: %s", strings.TrimSpace(response))
if response[0] != ':' { //not a private message
wd := strings.Split(response, " ", 2)
log.Stdout("Got Message ", wd[0])
switch wd[0] { // Message Type
case "PING":
// TODO: find a better way to remove leading character in string
pongServer := string(strings.Bytes(wd[1])[1:len(wd[1])])
pong := "PONG " + pongServer + "\r\n"
log.Stdout("SENT: ", pong)
server.Conn.Write(strings.Bytes(pong))
}
}
}
// We're done with the connection, close it
log.Stdout("Sleeping before closing")
time.Sleep(1e10)
log.Stdout("Closing")
server.Close()
}
func main() {
t := template.New(nil)
t.SetDelims("«", "»")
err := t.Parse(templateStr)
if err != nil {
log.Exit(err)
}
err = t.Execute(data, os.Stdout)
if err != nil {
log.Exit(err)
}
}
func main() {
client, err := rpc.DialHTTP("tcp", "localhost:1234")
if err != nil {
log.Exit("dialing:", err)
}
args := &arith.Args{7, 8}
reply := new(arith.Reply)
err = client.Call("Arith.Add", args, reply)
if err != nil {
log.Exit("arith error:", err)
}
fmt.Printf("Arith: %d+%d=%d\n", args.A, args.B, reply.C)
}
func main() {
r, err := jsonrpc.Dial("tcp", "localhost:6666")
if err != nil {
log.Exit("Error dialing host: ", err)
}
remote := &TestRPCSrv{r}
a := "foo"
var b string
err = remote.Call("testApp.PrintStuff", &a, &b)
if err != nil {
log.Exit("Error calling function: ", err)
}
log.Exit(b)
}
func client(host string, port int) {
client, err := rpc.DialHTTP("tcp", host+":"+fmt.Sprintf("%d", port))
if err != nil {
log.Exit("dialing:", err)
}
var reply string
err = client.Call("ProcessStarter.Start", processMap["server"], &reply)
if err != nil {
log.Exit("error:", err)
}
// fmt.Printf("Arith: %d*%d=%d", args.A, args.B, *reply)
}
func main() {
// This works
r, _, err := http.Get("https://www.google.com")
if err != nil {
log.Exit(err)
}
log.Println(r)
// This doesn't
r, _, err = http.Get("https://streaming.campfirenow.com")
if err != nil {
log.Exit(err)
}
log.Println(r)
}
func git_from_net(url string) string {
var args [3]string
args[0] = "git"
args[1] = "clone"
args[2] = url
var fds []*os.File = new([3]*os.File)
fds[0] = os.Stdin
fds[1] = os.Stdout
fds[2] = os.Stderr
_, str := path.Split(url)
name := strings.Split(str, ".", -1)[0]
var git_path string
switch os.Getenv("GOOS") {
case "darwin":
git_path = "/usr/local/git/bin/git"
break
case "linux":
git_path = "/opt/local/bin/git"
break
}
/* Replace this with git's full path, or use a shell, and then call git in the args */
pid, err := os.ForkExec(git_path, &args, os.Envs, os.Getenv("GOROOT")+"/src/pkg/", fds)
if err != nil {
log.Exit(err)
}
os.Wait(pid, 0)
return string(os.Getenv("GOROOT") + "/src/pkg/" + name)
}
func main() {
// start a connection with the server
irc, err := DialIRC("", "irc.freenode.net:6667")
if err != nil {
log.Exit("Error connecting:", err)
}
irc.Log("Hello, world!")
// Login w/ a default name and user
irc.Login("go_bot")
// Join a chat. Yay LUG!
irc.Join("#bottest")
// Get messages, handle them
for { // loop forever
line := <-irc.Rec
words := strings.Split(line, " ", 3)
irc.Log(ParseUser(words[0]))
switch words[1] { // Message Type
case "PRIVMSG":
go irc.Hi(words[2])
continue
}
}
time.Sleep(6e10) // Wait a minute
irc.Log("Closing")
irc.Close()
}
func main() {
http.HandleFunc("/", ProxyServer)
err := http.ListenAndServe(":8123", nil)
if err != nil {
log.Exit("ListenAndServe: ", err.String())
}
}
func main() {
// Dial freenode
log.Stdout("Dialing server")
server, err := irc.IRCDial("tcp", "", "irc.freenode.net:6667") // TODO: make this not hardcoded
if err != nil {
log.Exit("Dialing error:", err)
}
// Login to the server
log.Stdout("Logging in to server")
server.Login("goo_bot", irc.FlagInvisible)
// Send a PM to NickServ to identify
log.Stdout("Identifying to Nickserv")
server.PrivMsg("NickServ", "identify go_bot turing")
// Join a chat
log.Stdout("Joining #bottest")
bottest, _ := server.Join("#bottest") // TODO: log the errors
// Send the chat a message
log.Stdout("Greeting #bottest")
bottest.Write("hi guys!")
// We're done with the connection, close it
log.Stdout("Sleeping before closing")
time.Sleep(1e10)
log.Stdout("Closing")
server.Close()
}
func main() {
flag.Parse()
go hub()
http.Handle("/broadcast", websocket.Handler(clientHandler))
if err := http.ListenAndServe(*addr, nil); err != nil {
log.Exit("ListenAndServe:", err)
}
}
func processEvent(ch <-chan interface{}) {
for {
if closed(ch) {
log.Exit("X display closed.")
}
ev, ok := <-ch
if !ok {
// no events, return
return
}
switch ev.(type) {
case draw.ErrEvent:
log.Exit("X11 err: ", ev.(draw.ErrEvent).Err)
}
}
}
func main() {
flag.Parse()
http.Handle("/", http.HandlerFunc(QR))
err := http.ListenAndServe(*addr, nil)
if err != nil {
log.Exit("ListenAndServe:", err)
}
}
func getstdin() string {
bytes := make([]byte, 1000)
n, err := os.Stdin.Read(bytes)
if err != nil {
log.Exit("Could not read from stdin", err)
}
return string(bytes[0:n])
}
func main() {
calc, err := NewCalcServiceClient("MyCalcService", "tcp", "", "127.0.0.1:1234")
if err != nil {
log.Exit("cant setup calc service:", err)
}
doCalc(calc)
}
//runs the web application and serves http requests
func Run(addr string) {
http.Handle("/", http.HandlerFunc(httpHandler))
log.Stdoutf("web.go serving %s", addr)
err := http.ListenAndServe(addr, nil)
if err != nil {
log.Exit("ListenAndServe:", err)
}
}
// Accept accepts connections on the listener and serves requests
// for each incoming connection. Accept blocks; the caller typically
// invokes it in a go statement.
func (server *Server) Accept(lis net.Listener) {
for {
conn, err := lis.Accept()
if err != nil {
log.Exit("rpc.Serve: accept:", err.String()) // TODO(r): exit?
}
go server.ServeConn(conn)
}
}
func (s *Server) Run(addr string) {
mux := http.NewServeMux()
mux.Handle("/", s)
s.Logger.Printf("web.go serving %s\n", addr)
err := http.ListenAndServe(addr, mux)
if err != nil {
log.Exit("ListenAndServe:", err)
}
}
func server() {
ps := new(ProcessStarter)
rpc.Register(ps)
rpc.HandleHTTP()
l, e := net.Listen("tcp", ":1234")
if e != nil {
log.Exit("listen error:", e)
}
go http.Serve(l, nil)
}
func RunServer(addr string) {
self := new(Server).Init()
rpc.Register(self)
rpc.HandleHTTP()
l, e := net.Listen("tcp", addr)
if e != nil {
log.Exit("listen error: ", e)
}
http.Serve(l, nil)
}
func main() {
arith := new(arith.Arith)
rpc.Register(arith)
rpc.HandleHTTP()
l, e := net.Listen("tcp", ":1234")
if e != nil {
log.Exit("listen error: ", e)
}
http.Serve(l, nil)
}
func loadStartPosition(worldPath string) {
file, err := os.Open(path.Join(worldPath, "level.dat"), os.O_RDONLY, 0)
if err != nil {
log.Exit("loadStartPosition: ", err.String())
}
level, err := nbt.Read(file)
file.Close()
if err != nil {
log.Exit("loadStartPosition: ", err.String())
}
pos := level.Lookup("/Data/Player/Pos")
StartPosition = XYZ{
pos.(*nbt.List).Value[0].(*nbt.Double).Value,
pos.(*nbt.List).Value[1].(*nbt.Double).Value,
pos.(*nbt.List).Value[2].(*nbt.Double).Value,
}
}
