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defaults.go
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defaults.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package defaults initializes the defaults GRPC clients and servers used by services
package defaults
import (
"time"
"github.com/micro/go-micro/broker"
"github.com/micro/go-micro/client"
"github.com/micro/go-micro/registry"
"github.com/micro/go-micro/server"
"github.com/micro/go-micro/transport"
servicecontext "github.com/pydio/cells/common/service/context"
grpcclient "github.com/pydio/cells/common/micro/client/grpc"
grpcserver "github.com/pydio/cells/common/micro/server/grpc"
httpserver "github.com/pydio/cells/common/micro/server/http"
)
var (
clientOpts []func() client.Option
serverOpts []func() server.Option
serverHTTPOpts []func() server.Option
DefaultStartupRegistry registry.Registry
)
func InitServer(opt ...func() server.Option) {
serverOpts = append(serverOpts, opt...)
server.DefaultServer = NewServer()
}
func InitHTTPServer(opt ...func() server.Option) {
serverHTTPOpts = append(serverOpts, opt...)
}
func InitClient(opt ...func() client.Option) {
clientOpts = append(clientOpts, opt...)
client.DefaultClient = newClient()
}
func newClient(new ...client.Option) client.Client {
var opts []client.Option
opts = append(opts, client.PoolSize(1))
opts = append(opts, client.RequestTimeout(10*time.Minute))
opts = append(opts, client.Wrap(NetworkClientWrapper))
opts = append(opts, client.Wrap(servicecontext.SpanClientWrapper))
for _, o := range clientOpts {
opts = append(opts, o())
}
opts = append(opts, new...)
return grpcclient.NewClient(
opts...,
)
}
// NewClient returns a client attached to the defaults
func NewClient(new ...client.Option) client.Client {
if len(new) == 0 {
return client.DefaultClient
}
return newClient(new...)
}
// NewServer returns a server attached to the defaults
func NewServer(new ...server.Option) server.Server {
opts := new
for _, o := range serverOpts {
opts = append(opts, o())
}
return grpcserver.NewServer(
opts...,
)
}
func NewHTTPServer(new ...server.Option) server.Server {
opts := new
for _, o := range serverHTTPOpts {
opts = append(opts, o())
}
s := httpserver.NewServer(
opts...,
)
return s
}
func Registry() registry.Registry {
return registry.DefaultRegistry
}
func StartupRegistry() registry.Registry {
if DefaultStartupRegistry == nil {
return Registry()
}
return DefaultStartupRegistry
}
func Transport() transport.Transport {
return transport.DefaultTransport
}
func Broker() broker.Broker {
return broker.DefaultBroker
}