Squashed 'livekit-server/' content from commit 154b4d26

git-subtree-dir: livekit-server
git-subtree-split: 154b4d26b769c68a03c096124094b97bf61a996f

pkg/clientconfiguration/staticconfiguration.go

@@ -0,0 +1,71 @@
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package clientconfiguration
+
+import (
+	"google.golang.org/protobuf/proto"
+
+	"github.com/livekit/livekit-server/pkg/utils"
+	"github.com/livekit/protocol/livekit"
+	"github.com/livekit/protocol/logger"
+	protoutils "github.com/livekit/protocol/utils"
+)
+
+type ConfigurationItem struct {
+	Match
+	Configuration *livekit.ClientConfiguration
+	Merge         bool
+}
+
+type StaticClientConfigurationManager struct {
+	confs []ConfigurationItem
+}
+
+func NewStaticClientConfigurationManager(confs []ConfigurationItem) *StaticClientConfigurationManager {
+	return &StaticClientConfigurationManager{confs: confs}
+}
+
+func (s *StaticClientConfigurationManager) GetConfiguration(clientInfo *livekit.ClientInfo) *livekit.ClientConfiguration {
+	var matchedConf []*livekit.ClientConfiguration
+	for _, c := range s.confs {
+		matched, err := c.Match.Match(clientInfo)
+		if err != nil {
+			logger.Errorw("matchrule failed", err,
+				"clientInfo", logger.Proto(utils.ClientInfoWithoutAddress(clientInfo)),
+			)
+			continue
+		}
+		if !matched {
+			continue
+		}
+		if !c.Merge {
+			return c.Configuration
+		}
+		matchedConf = append(matchedConf, c.Configuration)
+	}
+
+	var conf *livekit.ClientConfiguration
+	for k, v := range matchedConf {
+		if k == 0 {
+			conf = protoutils.CloneProto(matchedConf[0])
+		} else {
+			// TODO : there is a problem use protobuf merge, we don't have flag to indicate 'no value',
+			// don't override default behavior or other configuration's field. So a bool value = false or
+			// a int value = 0 will override same field in other configuration
+			proto.Merge(conf, v)
+		}
+	}
+	return conf
+}