/
discovery.go
72 lines (66 loc) · 1.67 KB
/
discovery.go
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package xshare
import (
"fmt"
"github.com/hwcer/cosgo/utils"
"github.com/hwcer/cosrpc/redis"
"github.com/rpcxio/libkv/store"
"github.com/smallnest/rpcx/client"
"net/url"
"strings"
"time"
)
var rpcxRegister *redis.RedisRegisterPlugin
var rpcxDiscovery client.ServiceDiscovery
func Discovery() (client.ServiceDiscovery, error) {
servicePath := "/"
if rpcxDiscovery != nil {
return rpcxDiscovery, nil
}
address, options, err := getRedisAddress()
if err != nil {
return nil, err
}
rpcxDiscovery, err = redis.NewRedisDiscovery(Options.BasePath, servicePath, address, options)
if err != nil {
return nil, err
}
rpcxDiscovery.SetFilter(serviceDiscoveryFilter)
return rpcxDiscovery, nil
}
func Register(urlRpcxAddr *utils.Address) (*redis.RedisRegisterPlugin, error) {
if rpcxRegister != nil {
return rpcxRegister, nil
}
address, options, err := getRedisAddress()
if err != nil {
return nil, err
}
rpcxRegister = &redis.RedisRegisterPlugin{
ServiceAddress: fmt.Sprintf("%v%v:%v", AddressPrefix(), urlRpcxAddr.Host, urlRpcxAddr.Port),
RedisServers: address,
BasePath: Options.BasePath,
Options: options,
UpdateInterval: time.Second * 10,
}
return rpcxRegister, nil
}
func serviceDiscoveryFilter(kv *client.KVPair) bool {
return strings.Contains(kv.Key, AddressPrefix())
}
func getRedisAddress() (address []string, opts *store.Config, err error) {
var uri *url.URL
uri, err = utils.NewUrl(Options.Redis, "tcp")
if err != nil {
return
}
address = []string{uri.Host}
opts = &store.Config{}
query := uri.Query()
opts.Password = query.Get("password")
if query.Has("db") {
opts.Bucket = query.Get("db")
} else {
opts.Bucket = "13"
}
return
}