deprecated_overflow_gateway.../main.go
crusader 5daa3f6f4e ing
2017-08-30 15:50:56 +09:00

120 lines
2.8 KiB
Go

package main
import (
"context"
"time"
"go.uber.org/zap"
"google.golang.org/grpc"
"github.com/garyburd/redigo/redis"
"github.com/valyala/fasthttp"
"git.loafle.net/commons_go/logging"
backGRpc "git.loafle.net/overflow/overflow_api_server/golang"
"git.loafle.net/overflow/overflow_gateway_web/handler/file"
"git.loafle.net/overflow/overflow_gateway_web/handler/web"
gws "git.loafle.net/overflow/overflow_gateway_websocket"
grpcPool "git.loafle.net/overflow/overflow_grpc_pool"
subscriberRedis "git.loafle.net/overflow/overflow_subscriber/redis"
)
var logger *zap.Logger
func main() {
ctx, cancel := NewContext()
defer cancel()
logger = logging.WithContext(ctx)
o := &gws.ServerOptions{
OnConnection: onConnection,
OnDisconnected: onDisconnected,
OnCheckOrigin: onCheckOrigin,
}
s := gws.NewServer(ctx, o)
rPool := &redis.Pool{
MaxIdle: 3,
IdleTimeout: 240 * time.Second,
Dial: func() (redis.Conn, error) {
return redis.Dial("tcp", "127.0.0.1:6379")
},
}
defer func() {
rPool.Close()
}()
noti := subscriberRedis.New(ctx, rPool.Get())
noti.Subscribe("web", func(channel string, payload string) {
logger.Info("Subscribe",
zap.String("channel", channel),
zap.String("payload", payload),
)
})
bo := &grpcPool.Options{
MaxIdle: 1,
MaxCapacity: 3,
Creators: func() (*grpc.ClientConn, interface{}, error) {
var err error
conn, err := grpc.Dial(":50006", grpc.WithInsecure())
if nil != err {
return nil, nil, err
}
c := backGRpc.NewOverflowApiServerClient(conn)
return conn, c, nil
},
}
bPool, err := grpcPool.New(ctx, bo)
if nil != err {
logger.Panic("Cannot create Pool of GRPC")
}
wh := web.New(ctx, bPool)
fh := file.New(ctx)
s.HandleSocket("/web", wh.GetSocketOption())
s.HandleSocket("/file", fh.GetSocketOption())
s.ListenAndServe(":19090")
}
func NewContext() (context.Context, context.CancelFunc) {
ctx := context.Background()
ctx = logging.NewContext(ctx, nil)
ctx, cancel := context.WithCancel(ctx)
ctx = context.WithValue(ctx, "key1", "val1")
return ctx, cancel
}
func onCheckOrigin(ctx *fasthttp.RequestCtx) bool {
if origin := string(ctx.Request.Header.Peek("Origin")); origin != "" {
ctx.Response.Header.Set("Access-Control-Allow-Origin", origin)
if string(ctx.Method()) == "OPTIONS" && string(ctx.Request.Header.Peek("Access-Control-Request-Method")) != "" {
ctx.Response.Header.Set("Access-Control-Allow-Headers", "Content-Type, Accept")
ctx.Response.Header.Set("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, DELETE")
}
}
return true
}
func onConnection(soc gws.Socket) {
logger.Info("connect",
zap.String("path", soc.Path()),
zap.String("id", soc.ID()),
)
}
func onDisconnected(soc gws.Socket) {
logger.Info("connect",
zap.String("path", soc.Path()),
zap.String("id", soc.ID()),
)
}