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make sure the goroutine wont shut down in a docker #20

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make sure the goroutine wont shut down in a docker #20

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105 changes: 55 additions & 50 deletions cmd/exchange/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,6 @@ import (
"bufio"
"flag"
"fmt"
"github.com/robaho/go-trader/pkg/protocol"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
"log"
"net"
"os"
Expand All @@ -15,15 +12,18 @@ import (
"sync"
"time"

"github.com/robaho/go-trader/pkg/protocol"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"

"github.com/quickfixgo/quickfix"
"github.com/robaho/go-trader/internal/exchange"
"github.com/robaho/go-trader/pkg/common"
)

import _ "net/http/pprof"
_ "net/http/pprof"
)

func main() {

fix := flag.String("fix", "configs/qf_got_settings", "set the fix session file")
props := flag.String("props", "configs/got_settings", "set the exchange properties file")
instruments := flag.String("instruments", "configs/instruments.txt", "the instrument file")
Expand Down Expand Up @@ -106,54 +106,59 @@ func main() {

scanner := bufio.NewScanner(os.Stdin)

for scanner.Scan() {
s := scanner.Text()
parts := strings.Fields(s)
if len(parts) == 0 {
goto again
}
if "help" == parts[0] {
fmt.Println("The available commands are: quit, sessions, book SYMBOL, watch SYMBOL, unwatch SYMBOL, list")
} else if "quit" == parts[0] {
break
} else if "sessions" == parts[0] {
fmt.Println("Active sessions: ", ex.ListSessions())
} else if "book" == parts[0] {
book := exchange.GetBook(parts[1])
if book != nil {
fmt.Println(book)
go func() {
for scanner.Scan() {
s := scanner.Text()
parts := strings.Fields(s)
if len(parts) == 0 {
goto again
}
} else if "watch" == parts[0] && len(parts) == 2 {
fmt.Println("You are now watching ", parts[1], ", use 'unwatch ", parts[1], "' to stop.")
watching.Store(parts[1], "watching")
go func(symbol string) {
var lastBook *common.Book = nil
for {
if _, ok := watching.Load(symbol); !ok {
break
}
book := exchange.GetBook(symbol)
if book != nil {
if lastBook != book {
fmt.Println(book)
lastBook = book
if "help" == parts[0] {
fmt.Println("The available commands are: quit, sessions, book SYMBOL, watch SYMBOL, unwatch SYMBOL, list")
} else if "quit" == parts[0] {
break
} else if "sessions" == parts[0] {
fmt.Println("Active sessions: ", ex.ListSessions())
} else if "book" == parts[0] {
book := exchange.GetBook(parts[1])
if book != nil {
fmt.Println(book)
}
} else if "watch" == parts[0] && len(parts) == 2 {
fmt.Println("You are now watching ", parts[1], ", use 'unwatch ", parts[1], "' to stop.")
watching.Store(parts[1], "watching")
go func(symbol string) {
var lastBook *common.Book = nil
for {
if _, ok := watching.Load(symbol); !ok {
break
}
book := exchange.GetBook(symbol)
if book != nil {
if lastBook != book {
fmt.Println(book)
lastBook = book
}
}
time.Sleep(1 * time.Second)
}
time.Sleep(1 * time.Second)
}(parts[1])
} else if "unwatch" == parts[0] && len(parts) == 2 {
watching.Delete(parts[1])
fmt.Println("You are no longer watching ", parts[1])
} else if "list" == parts[0] {
for _, symbol := range common.IMap.AllSymbols() {
instrument := common.IMap.GetBySymbol(symbol)
fmt.Println(instrument)
}
}(parts[1])
} else if "unwatch" == parts[0] && len(parts) == 2 {
watching.Delete(parts[1])
fmt.Println("You are no longer watching ", parts[1])
} else if "list" == parts[0] {
for _, symbol := range common.IMap.AllSymbols() {
instrument := common.IMap.GetBySymbol(symbol)
fmt.Println(instrument)
} else {
fmt.Println("Unknown command, '", s, "' use 'help'")
}
} else {
fmt.Println("Unknown command, '", s, "' use 'help'")
again:
fmt.Print("Command?")
}
again:
fmt.Print("Command?")
}
}()

// Keep the main goroutine running
select {}
}