Switch dependency tracking to Go modules.

With that bump minimum required version to Go 1.13.

mcu_common.go

@@ -0,0 +1,87 @@
+/**
+ * Standalone signaling server for the Nextcloud Spreed app.
+ * Copyright (C) 2017 struktur AG
+ *
+ * @author Joachim Bauch <bauch@struktur.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package signaling
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/dlintw/goconf"
+)
+
+const (
+	McuTypeJanus = "janus"
+	McuTypeProxy = "proxy"
+
+	McuTypeDefault = McuTypeJanus
+)
+
+var (
+	ErrNotConnected = fmt.Errorf("Not connected")
+)
+
+type McuListener interface {
+	PublicId() string
+
+	OnIceCandidate(client McuClient, candidate interface{})
+	OnIceCompleted(client McuClient)
+
+	PublisherClosed(publisher McuPublisher)
+	SubscriberClosed(subscriber McuSubscriber)
+}
+
+type McuInitiator interface {
+	Country() string
+}
+
+type Mcu interface {
+	Start() error
+	Stop()
+	Reload(config *goconf.ConfigFile)
+
+	SetOnConnected(func())
+	SetOnDisconnected(func())
+
+	GetStats() interface{}
+
+	NewPublisher(ctx context.Context, listener McuListener, id string, streamType string, initiator McuInitiator) (McuPublisher, error)
+	NewSubscriber(ctx context.Context, listener McuListener, publisher string, streamType string) (McuSubscriber, error)
+}
+
+type McuClient interface {
+	Id() string
+	StreamType() string
+
+	Close(ctx context.Context)
+
+	SendMessage(ctx context.Context, message *MessageClientMessage, data *MessageClientMessageData, callback func(error, map[string]interface{}))
+}
+
+type McuPublisher interface {
+	McuClient
+}
+
+type McuSubscriber interface {
+	McuClient
+
+	Publisher() string
+}