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match_data_market.go
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/
match_data_market.go
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package match
import "sync"
//市价撮合账本
type marketBox struct {
buy *marketQueue
sell *marketQueue
}
type marketer struct {
sync.Mutex
symbols map[Symbol]*marketBox
}
var market = &marketer{
symbols: make(map[Symbol]*marketBox),
}
func (m *marketer) push(order *Order) error {
if order == nil {
return DataNil("")
}
m.Lock()
mar, ok := m.symbols[order.Symbol]
if ok == false {
box := &marketBox{
buy: newMarketQueue(),
sell: newMarketQueue(),
}
m.symbols[order.Symbol] = box
mar = box
dispatch.add(order.Symbol)
}
m.Unlock()
switch order.Side {
case BUY:
mar.buy.push(order)
return nil
case SELL:
mar.sell.push(order)
return nil
}
return NotExist("")
}
func (m *marketer) pop(sym Symbol, side string) *Order {
if mar, ok := m.symbols[sym]; ok {
switch side {
case BUY:
return mar.buy.pop()
case SELL:
return mar.sell.pop()
}
}
return nil
}
func (m *marketer) del(order *Order) (*Order, error) {
if order == nil {
return nil, DataNil("")
}
if mar, ok := m.symbols[order.Symbol]; ok {
switch order.Side {
case BUY:
return mar.buy.del(order), nil
case SELL:
return mar.sell.del(order), nil
}
}
return nil, NotExist("")
}
func (m *marketer) find(order *Order) (*Order, error) {
if order == nil {
return nil, DataNil("")
}
if mar, ok := m.symbols[order.Symbol]; ok {
switch order.Side {
case BUY:
return mar.buy.find(order), nil
case SELL:
return mar.sell.find(order), nil
}
}
return nil, NotExist("")
}