more description for debugging

Author: hiroshihorie

Sources/LiveKit/Extensions/RTCConfiguration+Description.swift

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+/*
+ * Copyright 2023 LiveKit
+ *
+ * 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.
+ */
+
+import Foundation
+import WebRTC
+
+extension RTCConfiguration {
+    open override var description: String {
+        "RTCConfiguration(iceServers: \(String(describing: iceServers)), " +
+            "iceTransportPolicy: \(String(describing: iceTransportPolicy)))"
+    }
+}

Sources/LiveKit/Extensions/RTCIceServer+Description.swift

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+/*
+ * Copyright 2023 LiveKit
+ *
+ * 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.
+ */
+
+import Foundation
+import WebRTC
+
+extension RTCIceServer {
+    open override var description: String {
+        "RTCIceServer(urlStrings: \(String(describing: urlStrings)), " +
+            "username: \(String(describing: username)), " +
+            "credential: \(String(describing: credential)))"
+    }
+}

Sources/LiveKit/Extensions/RTCIceTransportPolicy+Description.swift

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+/*
+ * Copyright 2023 LiveKit
+ *
+ * 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.
+ */
+
+import Foundation
+import WebRTC
+
+extension RTCIceTransportPolicy: CustomStringConvertible {
+    public var description: String {
+        switch self {
+        case .none: return "none"
+        case .relay: return "relay"
+        case .noHost: return "noHost"
+        case .all: return "all"
+        @unknown default: return "unknown"
+        }
+    }
+}