func SetForPiles(s []Pile) store.Set {
assert.Require(len(s) != 0, "suabm: zero length slice argument")
//for _, p := range s {
//}
set := store.EmptyTypedSet(Pile{}, uint(len(s)))
for _, p := range s {
set = set.Add(p)
}
assert.Require(uint(len(s)) == set.Count(), "suabm: mismatch between set count and length of input piles")
panic("unfinished code path")
return store.Set{}
}
// Wait blocks until a match is available or the specified timeout occurs.
// Returns game ID or error.
func (m *Maker) Wait(player string, timeout time.Duration) (string, error) {
rdy := m.add(player)
assert.Require(rdy != nil, "Add(%v) returns a nil channel", player)
select {
case <-time.After(timeout):
m.remove(player)
return "", ErrTimeout
case gid := <-rdy:
return gid, nil
}
assert.Require(false, "invalid execution path")
return "", nil
}
func (a HomogenizedPileSet) Decay() HomogenizedPileSet {
// 8U either converts to 4A or S+M
// 4A converts to 2B
// 2B converts to S+M
assert.Require(false, "suabm: not implemented")
return a
}
func (p Pile) Weight() uint {
switch p.Type {
case S:
return Sw * p.Count
case U:
return Uw * p.Count
case A:
return Aw * p.Count
case B:
return Bw * p.Count
case M:
return Mw * p.Count
default:
assert.Require(false, "unknown suabm pile type")
}
assert.Require(false, "invalid execution path")
return 0
}
// Messages from the source Messager with the corresponding type will be routed to the target Messager.
// Calling multiple times for the same type will have any messages fan-out from the source to all added targets.
func (r *Router) Simplex(source Messager, target Messager, forType string) error {
err := r.register(target)
if err == errMessagerAlreadyTracked {
// then it's all good
} else if err != nil {
return err
}
err = r.register(source)
if err == errMessagerAlreadyTracked {
// then it's all good
// TODO: is it?
} else if err != nil {
return err
}
r.RLock()
s, exists := r.messagers[source.Key()]
r.RUnlock()
assert.Require(exists == true, "source messager registered but does not exist in messagers map")
r.RLock()
t, exists := r.messagers[target.Key()]
r.RUnlock()
assert.Require(exists == true, "source messager registered but does not exist in messagers map")
s.Lock()
defer s.Unlock() // WATCH THIS if making changes after
routes, exists := s.routes[forType]
if exists == false {
s.routes[forType] = make(map[string]chan<- Message)
routes = s.routes[forType]
}
_, exists = routes[t.Key()]
if exists == true {
return ErrRouteAlreadySet
}
routes[t.Key()] = t.Writer()
return nil // s.Unlock() was deferred
}
// TODO: DO NOT use this function in production code.
func DefaultRelational() (Relational, error) {
// TODO: DO NOT USE IN PRODUCTION CODE
assert.Require(false, "do not use in production code")
database, err := sql.Open("postgres", "user=sandtest dbname=sandtest sslmode=disable")
if err != nil {
return Relational{}, err
}
err = database.Ping()
if err != nil {
return Relational{}, err
}
return Relational{DB: database}, nil
}
// RemoveSimplex deletes a single direction route.
func (r *Router) RemoveSimplex(source Messager, target Messager, forType string) error {
r.RLock()
src, exists := r.messagers[source.Key()]
r.RUnlock()
assert.Require(exists == true, "r.messagers[%+v] does not exist", source.Key())
src.RLock()
_, ok := src.routes[forType]
src.RUnlock()
assert.Require(ok == true, "source.routes[%+v] does not exist", forType)
src.Lock()
defer src.Unlock() // WATCH THIS if making any changes after
_, here := src.routes[forType][target.Key()]
assert.Require(here == true, "source.routes[%+v][%+v] does not exist", forType, target.Key())
delete(src.routes[forType], target.Key())
if len(src.routes[forType]) == 0 {
delete(src.routes, forType)
}
// if no routes are set then the Router doesn't need to care about this Messager
if len(src.routes) == 0 {
err := r.unregister(src)
if err != nil {
return err
}
}
return nil
}
func NewMessageTester() msgTester {
m := msgTester{
reader: make(chan Message),
writer: make(chan Message),
}
id, err := random.UniqueId(3)
assert.Require(err == nil, "random.Unique(64) returned error: %v", err)
m.key = id
go func(wr chan Message) {
for {
msg := <-wr
m.reader <- msg
}
}(m.writer)
return m
}
func (a Pile) TypeString() string {
switch a.Type {
case S:
return Sstr
case U:
return Ustr
case A:
return Astr
case B:
return Bstr
case M:
return Mstr
default:
assert.Require(false, "suabm: invalid pile type")
}
return ""
}
func RandomPile(count uint) Pile {
p := Pile{
Count: count,
}
switch random.RollD5() {
case 0:
p.Type = S
case 1:
p.Type = U
case 2:
p.Type = A
case 3:
p.Type = B
case 4:
p.Type = M
default:
assert.Require(false, "suabm: random.RollD5() returned an index outside of 0-4")
}
return p
}
