func ParseGameState(lines []string) *PlanetWars {
pw := &PlanetWars{make([]*Planet, len(lines)), make([]*Fleet, len(lines))}
pNum, fNum := 0, 0
for _, ln := range lines {
switch ln[0] {
case 'P':
p := &Planet{ID: pNum}
read, e := fmt.Sscanf(ln[2:], "%f %f %d %d %d", &p.X, &p.Y, &p.Owner, &p.NumShips, &p.GrowthRate)
if read < 5 || e != nil {
log.Stderrf("Bad line in input: %s\n", ln)
}
pw.Planets[pNum] = p
pNum++
case 'F':
f := &Fleet{ID: fNum}
read, e := fmt.Sscanf(ln[2:], "%d %d %d %d %d", &f.Owner, &f.NumShips, &f.Source, &f.Dest, &f.TripLength, &f.TurnsRemaining)
if read < 5 || e != nil {
log.Stderrf("Bad line in input: %s\n", ln)
}
pw.Fleets[fNum] = f
fNum++
default:
log.Stderr("Error parsing gamestate: First char of line not 'P' or 'F'\n")
return nil
}
}
pw.Fleets = pw.Fleets[0:fNum]
pw.Planets = pw.Planets[0:pNum]
return pw
}
func main() {
flag.Parse()
if len(*deliciousUser) == 0 || len(*deliciousPassword) == 0 {
log.Stderrf("Missing user or password.\n\n")
flag.Usage()
os.Exit(2)
}
if strings.HasPrefix(*deliciousUrl, "http://") != true {
log.Stderrf("URL missing 'http://' prefix. HTTPS is currently NOT supported.\n\n")
flag.Usage()
os.Exit(2)
}
userInfo := strings.Split(*deliciousUrl, "http://", 2)[1]
url := fmt.Sprintf("http://%s:%s@%s", *deliciousUser, *deliciousPassword, userInfo)
b, err := readData(url)
if err != nil {
log.Stderrf("Error downloading %s: %s", url, err)
os.Exit(1)
}
err = saveBackup(b)
if err != nil {
log.Stderrf("Error saving file to disk %s", err)
os.Exit(1)
}
}
// getPageInfo returns the PageInfo for a package directory path. If the
// parameter try is true, no errors are logged if getPageInfo fails.
// If there is no corresponding package in the directory,
// PageInfo.PDoc is nil. If there are no subdirectories,
// PageInfo.Dirs is nil.
//
func (h *httpHandler) getPageInfo(path string, try bool) PageInfo {
// the path is relative to h.fsroot
dirname := pathutil.Join(h.fsRoot, path)
// the package name is the directory name within its parent
// (use dirname instead of path because dirname is clean; i.e. has no trailing '/')
_, pkgname := pathutil.Split(dirname)
// filter function to select the desired .go files
filter := func(d *os.Dir) bool {
if isPkgFile(d) {
// Some directories contain main packages: Only accept
// files that belong to the expected package so that
// parser.ParsePackage doesn't return "multiple packages
// found" errors.
// Additionally, accept the special package name
// fakePkgName if we are looking at cmd documentation.
name := pkgName(dirname + "/" + d.Name)
return name == pkgname || h.fsRoot == *cmdroot && name == fakePkgName
}
return false
}
// get package AST
pkgs, err := parser.ParseDir(dirname, filter, parser.ParseComments)
if err != nil && !try {
// TODO: errors should be shown instead of an empty directory
log.Stderrf("parser.parseDir: %s", err)
}
if len(pkgs) != 1 && !try {
// TODO: should handle multiple packages
log.Stderrf("parser.parseDir: found %d packages", len(pkgs))
}
var pkg *ast.Package
for _, pkg = range pkgs {
break // take the first package found
}
// compute package documentation
var pdoc *doc.PackageDoc
if pkg != nil {
ast.PackageExports(pkg)
pdoc = doc.NewPackageDoc(pkg, pathutil.Clean(path)) // no trailing '/' in importpath
}
// get directory information
var dir *Directory
if tree, _ := fsTree.get(); tree != nil {
// directory tree is present; lookup respective directory
// (may still fail if the file system was updated and the
// new directory tree has not yet beet computed)
dir = tree.(*Directory).lookup(dirname)
} else {
// no directory tree present (either early after startup
// or command-line mode); compute one level for this page
dir = newDirectory(dirname, 1)
}
return PageInfo{pdoc, dir.listing(true), h.isPkg}
}
// TODO: need uuid for session
// TODO: cookie domain site param?
// TODO: cookie exparation
func DEFAULT(c *http.Conn, req *http.Request) {
s := session_service.GetSession(c,req);
log.Stderrf("session data id:%s", s.Id);
for k,v := range s.Data {
log.Stderrf("session kv:%s:%s", k, v);
}
var defaultTemplate = get_template("default.html");
defaultTemplate.Execute(s.Id, c);
}
func (this *Model) Create(param string) *Instance {
p := Parameterize(param)
id, err := this.NextId()
if err != nil {
log.Stderrf("Impossible to create an instance of %s", this.name, err)
return nil
}
err = this.Set(p, string(id))
if err != nil {
log.Stderrf("Impossible to create an instance of %s", this.name, err)
return nil
}
return &Instance{this, id, p}
}
// TODO: malicious ids
func (ps *PersistService) Get(id string) (*Model, bool) {
log.Stderrf("PS:GET:%s", id);
mpath := path.Join(ps.Path, id);
log.Stderrf("PS:GET:path:%s", mpath);
bs, e := io.ReadFile(mpath);
// TODO: check error more specifically (not found, etc.)
if e != nil {
log.Stderrf("PS:GET:e:%s", e);
return nil, false;
}
else {
return parse_model(id, bs), true;
}
panic("unreachable");
}
func (ps *PersistService) Del(id string) os.Error {
// TODO: malicious id path
log.Stderrf(":DEL:id:%s", id);
mpath := path.Join(ps.Path, id);
e := os.Remove(mpath);
return e;
}
func (l *listenConn) run() {
log.Stderrf("listening on %s\n", l.listen.Addr())
// TODO a way to shut this down
for {
conn, err := l.listen.Accept()
if err != nil {
log.Stderrf("accept failed: %s\n", err)
l.listen.Close()
if l.error != nil {
l.error(err)
}
return
}
l.accept(conn)
}
}
func applyTemplate(t *template.Template, name string, data interface{}) []byte {
var buf bytes.Buffer
if err := t.Execute(data, &buf); err != nil {
log.Stderrf("%s.Execute: %s", name, err)
}
return buf.Bytes()
}
// Saves the database to the friend db file that was used to read it
// TODO: This should be checkpointed to prevent data loss
func (db *buttress) Save() os.Error {
// Convert to json
me := db.me
jm := jsonMe{
Id: me.Id.String(),
SigKey: me.SignatureKey.String(),
Name: me.Name,
Email: me.Email,
Addr: me.Addr,
ExtAddr: me.ExtAddr,
}
book := &jsonDb{jm, make([]jsonFriend, len(db.recs))}
k := 0
for _, v := range db.recs {
jf := jsonFriend{
Slot: strconv.Itoa(v.Slot),
Name: v.Name,
Email: v.Email,
Addr: v.Addr,
Rest: v.Rest,
}
if v.Id != nil {
jf.Id = v.Id.String()
}
if v.SignatureKey != nil {
jf.SigKey = v.SignatureKey.String()
}
if v.HelloKey != nil {
jf.HelloKey = v.HelloKey.String()
}
if v.DialKey != nil {
jf.DialKey = v.DialKey.String()
}
if v.AcceptKey != nil {
jf.AcceptKey = v.AcceptKey.String()
}
book.Friends[k] = jf
k++
}
// Open file
file, err := os.Open(db.path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
log.Stderrf("Cannot open friends file \"%s\"\n", db.path)
return &Error{ErrSave, err}
}
// Marshal to json string
data, err := json.Marshal(&book)
if err != nil {
return &Error{ErrEncode, err}
}
bf := bytes.NewBuffer(data)
n, err := io.Copy(file, bf)
if err != nil || n != int64(len(data)) {
return &Error{ErrEncode, err}
}
if err := file.Close(); err != nil {
return &Error{ErrSave, err}
}
return nil
}
func readOb(s net.Conn, buf []byte) {
x, err := io.ReadFull(s, buf)
if err != nil || x != len(buf) {
log.Stderrf("Error reading part: %s", err)
runtime.Goexit()
}
}
func handleScgiRequest(fd io.ReadWriteCloser) {
var buf bytes.Buffer
var tmp [1024]byte
n, err := fd.Read(&tmp)
if err != nil || n == 0 {
return
}
colonPos := bytes.IndexByte(tmp[0:], ':')
read := n
length, _ := strconv.Atoi(string(tmp[0:colonPos]))
buf.Write(tmp[0:n])
for read < length {
n, err := fd.Read(&tmp)
if err != nil || n == 0 {
break
}
buf.Write(tmp[0:n])
read += n
}
req, err := readScgiRequest(&buf)
if err != nil {
log.Stderrf("SCGI read error", err.String())
return
}
sc := scgiConn{fd, make(map[string][]string), false}
routeHandler(req, &sc)
fd.Close()
}
func TestServerClient(t *testing.T) {
port := empty_port()
ok(t, port != 0, "empty_port")
log.Stderrf("got empty port: %d", port)
addr := fmt.Sprintf("localhost:%d", port)
go RunServer(addr)
time.Sleep(int64(1) * 1e8) // wait for Server started
client, err := NewClient(addr)
ok(t, err == nil, "NewClient()")
var value string
value, err = client.Get("xxx")
ok(t, err == nil, "")
ok(t, value == "", "client.Get(xxx) == \"\"")
for i := 0; i < 10; i++ {
key := fmt.Sprintf("key_%d", i)
val := fmt.Sprintf("val_%d", i)
_, err = client.Set(key, val)
ok(t, err == nil, fmt.Sprintf("client.Set(%s,%s)", key, val))
value, err = client.Get(key)
ok(t, err == nil, "")
ok(t, value == val, fmt.Sprintf("client.Get(%s)", key))
}
}
func (this *Model) Find(param string) *Instance {
value, err := this.Get(param)
if err != nil {
log.Stderrf("Impossible to find %s (%s)", param, this.name, err)
return nil
}
if value == "" {
return nil
}
id, err := strconv.Atoi64(value)
if err != nil {
log.Stderrf("Impossible to convert %s to int", value, err)
return nil
}
return &Instance{this, id, param}
}
func search(c *http.Conn, r *http.Request) {
query := strings.TrimSpace(r.FormValue("q"))
var result SearchResult
if index, timestamp := searchIndex.get(); index != nil {
result.Query = query
result.Hit, result.Alt, result.Illegal = index.(*Index).Lookup(query)
_, ts := fsTree.get()
result.Accurate = timestamp >= ts
}
var buf bytes.Buffer
if err := searchHTML.Execute(result, &buf); err != nil {
log.Stderrf("searchHTML.Execute: %s", err)
}
var title string
if result.Hit != nil {
title = fmt.Sprintf(`Results for query %q`, query)
} else {
title = fmt.Sprintf(`No results found for query %q`, query)
}
servePage(c, title, query, buf.Bytes())
}
func serveHTMLDoc(c *http.Conn, r *http.Request, path string) {
// get HTML body contents
src, err := ioutil.ReadFile(path)
if err != nil {
log.Stderrf("%v", err)
http.NotFound(c, r)
return
}
// if it begins with "<!DOCTYPE " assume it is standalone
// html that doesn't need the template wrapping.
if bytes.HasPrefix(src, strings.Bytes("<!DOCTYPE ")) {
c.Write(src)
return
}
// if it's the language spec, add tags to EBNF productions
if strings.HasSuffix(path, "go_spec.html") {
var buf bytes.Buffer
linkify(&buf, src)
src = buf.Bytes()
}
title := commentText(src)
servePage(c, title, "", src)
}
func (s *Server) listenAndServeFcgi(addr string) {
l, err := net.Listen("tcp", addr)
if err != nil {
log.Stderrf("FCGI listen error", err.String())
return
}
for {
fd, err := l.Accept()
if err != nil {
log.Stderrf("FCGI accept error", err.String())
break
}
go s.handleFcgiConnection(fd)
}
}
func parse_model(id string, bs []byte) *Model {
log.Stderrf("PS:parse_model:%s:%s", id, bs);
data := parse_model_data(bs);
m := new(Model);
m.Id = id;
m.Data = data;
return m;
}
func (this *Instance) Get(field string) string {
value, err := this.model.Get(this.FieldKey(field))
if err != nil {
log.Stderrf("Impossible to get %s", field, err)
return ""
}
return value
}
func (player *Player) PacketDisconnect(reason string) {
log.Stderrf("PacketDisconnect reason=%s", reason)
player.game.Enqueue(func(game *Game) {
game.RemovePlayer(player)
close(player.txQueue)
player.conn.Close()
})
}
func (c *AuthClient) get_auth_token(callback_url string) *persist.Model { // *AuthToken {
r, finalUrl, err := c.MakeRequest(c.request_url, map[string]string{"oauth_callback":callback_url}, "", false);
if r != nil {
log.Stderrf("get_auth_token:status:%s:finalUrl:%s", r.Status, finalUrl);
for k, v := range r.Header {
log.Stderrf("header:%s:%s", k, v);
}
}
else {
log.Stderrf("get_auth_token:finalUrl:%s:err:%s", finalUrl, err.String());
}
kvmap := parse_response(r); // check for 503
// oauth_callback_confirmed=true assert?
token := create_auth_token( c.persist_service, kvmap["oauth_token"], kvmap["oauth_token_secret"] );
return token;
}
func handleFlush(req MCRequest, s *storage) (ret MCResponse) {
delay := ReadUint32(req.Extras, 0)
if delay > 0 {
log.Stderrf("Delay not supported (got %d)", delay)
}
s.data = make(map[string]MCItem)
return
}
func listenAndServeScgi(addr string) {
l, err := net.Listen("tcp", addr)
if err != nil {
log.Stderrf(err.String())
return
}
for {
fd, err := l.Accept()
if err != nil {
log.Stderrf(err.String())
break
}
go handleScgiRequest(fd)
}
}
// TODO: all
func (c *AuthClient) GetUserInfo(auth_token string, auth_verifier string) map[string]string {
// get secret
auth_secret := get_auth_secret(c.persist_service, auth_token);
log.Stderrf("AUTH_SECRET:%s", auth_secret); // should client error if not found
r, finalUrl, err := c.MakeRequest(c.access_url, map[string]string{"oauth_token":auth_token, "oauth_verifier":auth_verifier}, auth_secret, false);
if r != nil {
log.Stderrf("get_access_token:status:%s:finalUrl:%s", r.Status, finalUrl);
for k, v := range r.Header {
log.Stderrf("header:%s:%s", k, v);
}
}
else {
log.Stderrf("get_access_token:finalUrl:%s:err:%s", finalUrl, err.String());
}
kvmap := parse_response(r); // check for 503
return kvmap;
}
func serveParseErrors(c *http.Conn, errors *parseErrors) {
// format errors
var buf bytes.Buffer
if err := parseerrorHtml.Execute(errors, &buf); err != nil {
log.Stderrf("parseerrorHtml.Execute: %s", err)
}
servePage(c, "Parse errors in source file "+errors.filename, "", buf.Bytes())
}
// receives ?returnto=/replies etc.
func CALLBACK(c *http.Conn, req *http.Request, auth_client *oauth.AuthClient) {
log.Stderr("CALLBACK!");
req.ParseForm();
for k,v := range req.Header {
log.Stderrf("header:%s:%s", k, v);
}
for k,vs := range req.Form {
log.Stderrf("form:%s::", k);
for i := range vs {
log.Stderrf("::%s", vs[i]);
}
}
var auth_token = req.FormValue("oauth_token");
var auth_verifier = req.FormValue("oauth_verifier");
log.Stderrf("CALLBACK:auth_token:%s:", auth_token);
log.Stderrf("CALLBACK:auth_verifier:%s:", auth_verifier);
user_info := auth_client.GetUserInfo(auth_token, auth_verifier);
log.Stderrf("USER_INFO:");
for k,v := range user_info {
log.Stderrf("k:%s v:%s", k, v);
}
session_service.StartSession(c, req, user_info);
var url = "/";
returnto := req.FormValue("returnto");
if returnto != "" {
url = returnto;
}
http.Redirect(c, url, http.StatusFound); // should be 303 instead of 302?
}
func exec(c *http.Conn, args []string) (status int) {
r, w, err := os.Pipe();
if err != nil {
log.Stderrf("os.Pipe(): %v\n", err);
return 2;
}
bin := args[0];
fds := []*os.File{nil, w, w};
if *verbose {
log.Stderrf("executing %v", args);
}
pid, err := os.ForkExec(bin, args, os.Environ(), goroot, fds);
defer r.Close();
w.Close();
if err != nil {
log.Stderrf("os.ForkExec(%q): %v\n", bin, err);
return 2;
}
var buf bytes.Buffer;
io.Copy(&buf, r);
wait, err := os.Wait(pid, 0);
if err != nil {
os.Stderr.Write(buf.Bytes());
log.Stderrf("os.Wait(%d, 0): %v\n", pid, err);
return 2;
}
status = wait.ExitStatus();
if !wait.Exited() || status > 1 {
os.Stderr.Write(buf.Bytes());
log.Stderrf("executing %v failed (exit status = %d)", args, status);
return;
}
if *verbose {
os.Stderr.Write(buf.Bytes());
}
if c != nil {
c.SetHeader("content-type", "text/plain; charset=utf-8");
c.Write(buf.Bytes());
}
return;
}
func addRoute(r string, method string, handler interface{}) {
cr, err := regexp.Compile(r)
if err != nil {
log.Stderrf("Error in route regex %q\n", r)
return
}
fv := reflect.NewValue(handler).(*reflect.FuncValue)
routes.Push(route{r, cr, method, fv})
}
func RunServer(input chan MCRequest) {
var s storage
s.data = make(map[string]MCItem)
for {
req := <-input
log.Stderrf("Got a request: %s", req)
req.ResponseChannel <- dispatch(req, &s)
}
}
func listenAndServeFcgi(addr string) {
println("listening and serving scgi!")
l, err := net.Listen("tcp", addr)
if err != nil {
log.Stderrf(err.String())
return
}
for {
fd, err := l.Accept()
if err != nil {
log.Stderrf(err.String())
break
}
go handleFcgiRequest(fd)
}
}