// parseGroups is used to parse a list of group states.
func parseGroups(lines []string) ([]Group, os.Error) {
var res vector.Vector
for _, line := range lines {
ss := strings.Split(strings.TrimSpace(line), " ", 4)
if len(ss) < 4 {
return nil, ProtocolError("short group info line: " + line)
}
high, err := strconv.Atoi(ss[1])
if err != nil {
return nil, ProtocolError("bad number in line: " + line)
}
low, err := strconv.Atoi(ss[2])
if err != nil {
return nil, ProtocolError("bad number in line: " + line)
}
res.Push(&Group{ss[0], high, low, ss[3]})
}
realres := make([]Group, res.Len())
i := 0
for v := range res.Iter() {
realres[i] = *v.(*Group)
i++
}
return realres, nil
}
func CountColor(pngR io.Reader) int {
/* modify here */
// uniq := new (vector.Vector[uint32])
var colorVector vector.Vector
var rVector vector.IntVector
var gVector vector.IntVector
var bVector vector.IntVector
im, _ := png.Decode(pngR)
for y := 0; y < im.Bounds().Dy(); y++ {
for x := 0; x < im.Bounds().Dx(); x++ {
color := im.At(x, y)
unique := true
r, g, b, _ := color.RGBA()
for i := 0; i < colorVector.Len(); i++ {
if r == uint32(rVector.At(i)) &&
g == uint32(gVector.At(i)) &&
b == uint32(bVector.At(i)) {
unique = false
}
}
if unique == true {
colorVector.Push(color)
rVector.Push(int(r))
gVector.Push(int(g))
bVector.Push(int(b))
}
}
}
return colorVector.Len()
}
func populateServer(serv *server) []sfs.ReplicateChunkArgs {
str := fmt.Sprintf("%s:%d", serv.addr.IP.String(), serv.addr.Port)
log.Printf("master: PopulateServer: populating %s\n", str)
log.Printf("master: PopulateServer: server heap state:\n%s\n", sHeap.printPresent())
if len(chunks) == 0 {
return nil
}
thisVec := new(vector.Vector)
for _, chunk := range chunks {
//log.Printf("master: PopulateServer: examining chunk %+v, nservers %d\n", *chunk, chunk.servers.Len())
if chunk.servers.Len() < sfs.NREPLICAS {
//populate chunk location list
chunklist := make([]net.TCPAddr, chunk.servers.Len())
for cnt1 := 0; cnt1 < chunk.servers.Len(); cnt1++ {
chunklist[cnt1] = chunk.servers.At(cnt1).(*server).addr
}
//send rpc call off
thisVec.Push(sfs.ReplicateChunkArgs{chunk.chunkID, chunklist})
}
}
cnt := thisVec.Len()
thisSlice := make([]sfs.ReplicateChunkArgs, cnt)
for i := 0; i < cnt; i++ {
thisSlice[i] = thisVec.Pop().(sfs.ReplicateChunkArgs) //horribly inefficient but what can you do...
}
return thisSlice
}
func findRand(t *testing.T, conn *db.Connection, ch chan *vector.Vector) {
stmt, sErr := conn.Prepare(
"SELECT * FROM t WHERE i != ? ORDER BY RAND()")
if sErr != nil {
error(t, sErr, "Couldn't prepare")
}
rs, cErr := conn.Execute(stmt, rand.Int())
if cErr != nil {
error(t, cErr, "Couldn't select")
}
vout := new(vector.Vector)
for res := range rs.Iter() {
if res.Error() != nil {
error(t, res.Error(), "Couldn't fetch")
}
vout.Push(res.Data())
}
if vout.Len() != len(tableT) {
t.Error("Invalid length")
}
stmt.Close()
ch <- vout
}
func test1() {
var a [1000]*S
for i := 0; i < len(a); i++ {
a[i] = new(S).Init(i)
}
v := new(vector.Vector)
for i := 0; i < len(a); i++ {
v.Insert(0, a[i])
if v.Len() != i+1 {
panic("len = ", v.Len(), "\n")
}
}
for i := 0; i < v.Len(); i++ {
x := v.At(i).(*S)
if x.val != v.Len()-i-1 {
panic("expected ", i, ", found ", x.val, "\n")
}
}
for v.Len() > 10 {
v.Delete(10)
}
}
func makeStmtList(list *vector.Vector) []ast.Stmt {
stats := make([]ast.Stmt, list.Len())
for i := 0; i < list.Len(); i++ {
stats[i] = list.At(i).(ast.Stmt)
}
return stats
}
// Fetch all remaining results. If we get no results at
// all, an error will be returned; otherwise it probably
// still occurred but will be hidden.
func ClassicFetchAll(rs ClassicResultSet) (data [][]interface{}, error os.Error) {
var v vector.Vector
var d interface{}
var e os.Error
for rs.More() {
r := rs.Fetch()
d = r.Data()
if d != nil {
v.Push(d)
}
e = r.Error()
if e != nil {
break
}
}
l := v.Len()
if l > 0 {
// TODO: how can this be done better?
data = make([][]interface{}, l)
for i := 0; i < l; i++ {
data[i] = v.At(i).([]interface{})
}
} else {
// no results at all, return the error
error = e
}
return
}
// Next will chose a random point to put a piece.
func (ap *RandomPlayer) Next(m *match.Match) *match.Response {
color := ap.teban.Color()
candidates := new(vector.Vector)
size := m.Board.Size()
for y := 1; y <= size; y++ {
for x := 1; x <= size; x++ {
if m.Board.CanPutAt(color, x, y, m.History) {
if !m.Board.IsEye(color, x, y) {
candidates.Push(&point.Point{x, y})
}
}
}
}
if candidates.Len() != 0 {
bs := make([]byte, 1)
_, err := rand.Read(bs)
if err == nil {
p := candidates.At(int(bs[0]) % candidates.Len()).(*point.Point)
ts, resp := m.Board.PutAt(color, p.X(), p.Y(), m.History)
if resp == board.OK {
fmt.Printf("[random] put %d,%d\n", p.X(), p.Y())
return match.NewPutResponse(p.X(), p.Y(), ts)
}
}
}
return match.NewPassResponse()
}
// use win-rate distribution of node to play a legal move in tracker
func (node *Node) seed(t Tracker, path []int) bool {
if node.parent == nil {
return false
}
dist := new(vector.Vector)
sum := 0.0
for sibling := node.parent.Child; sibling != nil; sibling = sibling.Sibling {
for i := 0; i < len(path); i++ {
if sibling.Vertex == path[i] {
continue
}
}
dist.Push(sibling.blendedMean)
sum += sibling.blendedMean
}
node.totalseeds++
r := rand.Float64() * sum
for i := 0; i < dist.Len(); i++ {
r -= dist.At(i).(float64)
if r <= 0 {
if t.Legal(node.Color, i) {
t.Play(node.Color, i)
node.seeds++
return true
}
return false
}
}
return false
}
func makeBugDocs(v *vector.Vector) []string {
d := make([]string, v.Len())
for i := 0; i < v.Len(); i++ {
d[i] = CommentText(v.At(i).(*ast.CommentGroup))
}
return d
}
// The actual collection must contain all expected elements and nothing else.
// The order of elements is not significant.
func ContainsExactly(actual_ interface{}, expected_ interface{}) (match bool, pos Message, neg Message, err os.Error) {
actual, err := toArray(actual_)
if err != nil {
return
}
expected, err := toArray(expected_)
if err != nil {
return
}
containsAll := true
remaining := new(vector.Vector)
remaining.AppendVector((*vector.Vector)(&actual))
for i := 0; i < len(expected); i++ {
if idx, found := findIndex(*remaining, expected[i]); found {
remaining.Delete(idx)
} else {
containsAll = false
break
}
}
match = containsAll && remaining.Len() == 0
pos = Messagef(actual, "contains exactly “%v”", expected)
neg = Messagef(actual, "does NOT contain exactly “%v”", expected)
return
}
func test0() {
v := new(vector.Vector)
if v.Len() != 0 {
print("len = ", v.Len(), "\n")
panic("fail")
}
}
func (p *parser) parseInterfaceType() *ast.InterfaceType {
if p.trace {
defer un(trace(p, "InterfaceType"))
}
pos := p.expect(token.INTERFACE)
lbrace := p.expect(token.LBRACE)
list := new(vector.Vector)
for p.tok == token.IDENT {
m := p.parseMethodSpec()
if p.tok != token.RBRACE {
p.expect(token.SEMICOLON)
}
m.Comment = p.lineComment
list.Push(m)
}
rbrace := p.expect(token.RBRACE)
p.optSemi = true
// convert vector
methods := make([]*ast.Field, list.Len())
for i := list.Len() - 1; i >= 0; i-- {
methods[i] = list.At(i).(*ast.Field)
}
return &ast.InterfaceType{pos, lbrace, methods, rbrace, false}
}
func renderSection(section *sectionElement, context reflect.Value, buf io.Writer) {
value := lookup(context, section.name)
valueInd := reflect.Indirect(value)
var contexts = new(vector.Vector)
switch val := valueInd.(type) {
case *reflect.BoolValue:
if !val.Get() {
return
} else {
contexts.Push(context)
}
case *reflect.SliceValue:
for i := 0; i < val.Len(); i++ {
contexts.Push(val.Elem(i))
}
case *reflect.ArrayValue:
for i := 0; i < val.Len(); i++ {
contexts.Push(val.Elem(i))
}
default:
contexts.Push(context)
}
//by default we execute the section
for j := 0; j < contexts.Len(); j++ {
ctx := contexts.At(j).(reflect.Value)
for i := 0; i < section.elems.Len(); i++ {
renderElement(section.elems.At(i), ctx, buf)
}
}
}
func (p *parser) parseStructType() *ast.StructType {
if p.trace {
defer un(trace(p, "StructType"))
}
pos := p.expect(token.STRUCT)
lbrace := p.expect(token.LBRACE)
list := new(vector.Vector)
for p.tok == token.IDENT || p.tok == token.MUL {
f := p.parseFieldDecl()
if p.tok != token.RBRACE {
p.expect(token.SEMICOLON)
}
f.Comment = p.lineComment
list.Push(f)
}
rbrace := p.expect(token.RBRACE)
p.optSemi = true
// convert vector
fields := make([]*ast.Field, list.Len())
for i := list.Len() - 1; i >= 0; i-- {
fields[i] = list.At(i).(*ast.Field)
}
return &ast.StructType{pos, lbrace, fields, rbrace, false}
}
// Consume a group of adjacent comments, add it to the parser's
// comments list, and return the line of which the last comment
// in the group ends. An empty line or non-comment token terminates
// a comment group.
//
func (p *parser) consumeCommentGroup() int {
list := new(vector.Vector)
endline := p.pos.Line
for p.tok == token.COMMENT && endline+1 >= p.pos.Line {
var comment *ast.Comment
comment, endline = p.consumeComment()
list.Push(comment)
}
// convert list
group := make([]*ast.Comment, list.Len())
for i := 0; i < list.Len(); i++ {
group[i] = list.At(i).(*ast.Comment)
}
// add comment group to the comments list
g := &ast.CommentGroup{group, nil}
if p.lastComment != nil {
p.lastComment.Next = g
} else {
p.comments = g
}
p.lastComment = g
return endline
}
func (lex *Lexer) ParseExpression() *vector.Vector {
tree := new(vector.Vector)
for lex.current != "" {
if lex.current == "," {
break
} else if lex.current == "(" {
lex.Consume()
args := lex.ParseArguments()
if lex.current == ")" {
if tree.Len() == 0 {
tree.Push(NewMessage("", new(vector.Vector)))
}
if tree.Last().(IMessage).GetArguments().Len() > 0 {
println("*** Arguments are empty")
tree.Push(NewMessage("", new(vector.Vector)))
}
tree.Last().(IMessage).SetArguments(args)
} else {
println("Syntax Error: ')' expected")
}
println(len(*args))
} else if lex.current == ")" {
break
} else {
println("*** (ParseExpression) / fallback (line: " + strconv.Itoa(lex.line) + ") -- lex.current = " + lex.current + "; lex.next = " + lex.next)
tree.Push(NewMessage(lex.current, new(vector.Vector)))
lex.Consume()
}
}
return tree
}
func (p *parser) parseLiteral() literal {
s := []byte(p.parseString())
// A string literal may contain %-format specifiers. To simplify
// and speed up printing of the literal, split it into segments
// that start with "%" possibly followed by a last segment that
// starts with some other character.
var list vector.Vector
i0 := 0
for i := 0; i < len(s); i++ {
if s[i] == '%' && i+1 < len(s) {
// the next segment starts with a % format
if i0 < i {
// the current segment is not empty, split it off
list.Push(s[i0:i])
i0 = i
}
i++ // skip %; let loop skip over char after %
}
}
// the final segment may start with any character
// (it is empty iff the string is empty)
list.Push(s[i0:])
// convert list into a literal
lit := make(literal, list.Len())
for i := 0; i < list.Len(); i++ {
lit[i] = list.At(i).([]byte)
}
return lit
}
func TestRecvInvalidPacket(t *testing.T) {
q := new(vector.Vector)
x := &net.UDPAddr{net.IP{1, 2, 3, 4}, 5}
p := recvPacket(q, Packet{x, invalidProtobuf})
assert.Equal(t, (*packet)(nil), p)
assert.Equal(t, 0, q.Len())
}
// takes vector of nodes, returns sequential schedule length
func SeqTime(v vec.Vector) int64 {
var s int64
s = 0
for i := 0; i < v.Len(); i++ {
s += (v.At(i).(*p.Node)).Ex
}
return s
}
func TestRecvEmptyPacket(t *testing.T) {
q := new(vector.Vector)
x := &net.UDPAddr{net.IP{1, 2, 3, 4}, 5}
p := recvPacket(q, Packet{x, []byte{}})
assert.Equal(t, (*packet)(nil), p)
assert.Equal(t, 0, q.Len())
}
// get the index of a node in a vector given nodes ID
func GetIndexById(v vector.Vector, id int) int {
for i := 0; i < v.Len(); i++ {
if v.At(i).(*Node).Id == id {
return i
}
}
return -1
}
func check_stack_size(DataStack *vector.Vector, required int) bool {
if DataStack.Len() < required {
log.Fatal("Stack depth is less then " + string(required) + ". Operation is impossible")
return false
}
return true
}
func process(c Conn, in chan paxos.Packet, out <-chan paxos.Packet) {
pend := make(map[string]bool)
h := new(vector.Vector)
ticker := time.NewTicker(interval / 4)
defer ticker.Stop()
rawIn := make(chan paxos.Packet)
go func() {
recv(c, rawIn)
close(rawIn)
}()
peek := func() check {
if h.Len() < 1 {
return check{at: math.MaxInt64}
}
return h.At(0).(check)
}
for {
select {
case p := <-rawIn:
if closed(rawIn) {
return
}
if p.Msg.HasFlags(paxos.Ack) {
if pend[p.Id()] {
pend[p.Id()] = false, false
}
continue
}
in <- p
// send ack
write(c, p.Msg.Dup().SetFlags(paxos.Ack), p.Addr)
case p := <-out:
pend[p.Id()] = true
write(c, p.Msg, p.Addr)
t := time.Nanoseconds()
heap.Push(h, check{p, t + interval, t + timeout})
case t := <-ticker.C:
for k := peek(); k.at < t; k = peek() {
heap.Pop(h)
if t > k.until {
pend[k.Id()] = false, false
}
if pend[k.Id()] {
write(c, k.Msg, k.Addr)
heap.Push(h, check{k.Packet, t + interval, k.until})
}
}
}
}
}
func TestRecvPacket(t *testing.T) {
q := new(vector.Vector)
recvPacket(q, Packet{"x", mustMarshal(&msg{Seqn: proto.Int64(1)})})
recvPacket(q, Packet{"x", mustMarshal(&msg{Seqn: proto.Int64(2)})})
recvPacket(q, Packet{"x", mustMarshal(&msg{Seqn: proto.Int64(3)})})
assert.Equal(t, 3, q.Len())
}
func avg(v *vector.Vector) (n int64) {
t := time.Nanoseconds()
if v.Len() == 0 {
return -1
}
for _, x := range []interface{}(*v) {
n += x.(trigger).t - t
}
return n / int64(v.Len())
}
func NewSoyListDataFromVector(o *vector.Vector) SoyListData {
if o == nil {
return &soyListData{l: list.New()}
}
l := list.New()
for i := 0; i < o.Len(); i++ {
l.PushBack(o.At(i))
}
a := &soyListData{l: l}
return a
}
func TestRecvInvalidPacket(t *testing.T) {
q := new(vector.Vector)
// The first element in a protobuf stream is always a varint.
// The high bit of a varint byte indicates continuation;
// Here we're supplying a continuation bit without a
// subsequent byte. See also
// http://code.google.com/apis/protocolbuffers/docs/encoding.html#varints.
recvPacket(q, Packet{"x", []byte{0x80}})
assert.Equal(t, 0, q.Len())
}
func TestRunSchedulesTick(t *testing.T) {
var r run
r.seqn = 1
r.bound = 10
r.out = make(chan Packet, 100)
ticks := new(vector.Vector)
r.update(packet{msg: *newPropose("foo")}, ticks)
assert.Equal(t, 1, ticks.Len())
}
// navigate through the tree until a leaf node is found to playout
func (root *Node) step(t Tracker) {
var start int64
path := new(vector.Vector)
start = time.Nanoseconds()
curr := root.Next(root, t)
root.next_time += time.Nanoseconds() - start
root.next_count++
if curr == nil {
root.Visits = math.Inf(1)
return
}
for {
path.Push(curr)
// apply node's position to the board
start = time.Nanoseconds()
t.Play(curr.Color, curr.Vertex)
root.play_time += time.Nanoseconds() - start
root.play_count++
if curr.Visits <= root.config.ExpandAfter {
var color byte
if root.config.Seed {
color = curr.seedPlayout(t)
} else {
color = Reverse(curr.Color)
}
start = time.Nanoseconds()
t.Playout(color)
root.playout_time += time.Nanoseconds() - start
break
}
time.Nanoseconds()
next := curr.Next(root, t)
root.next_time += time.Nanoseconds() - start
root.next_count++
curr = next
if curr == nil {
break
}
}
start = time.Nanoseconds()
winner := t.Winner()
root.win_calc_time += time.Nanoseconds() - start
start = time.Nanoseconds()
for j := 0; j < path.Len(); j++ {
path.At(j).(*Node).update(t)
}
root.update_time += time.Nanoseconds() - start
if winner == Reverse(root.Color) {
root.Wins++
}
root.Visits++
root.Mean = root.Wins / root.Visits
}