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@ -3,6 +3,7 @@ import WebRTC
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/// See https://developer.mozilla.org/en-US/docs/Web/API/RTCSessionDescription for more information.
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@objc(SNCallMessage)
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public final class CallMessage : ControlMessage {
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public var uuid: String?
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public var kind: Kind?
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/// See https://developer.mozilla.org/en-US/docs/Glossary/SDP for more information.
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public var sdps: [String]?
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@ -13,6 +14,7 @@ public final class CallMessage : ControlMessage {
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// MARK: Kind
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public enum Kind : Codable, CustomStringConvertible {
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case preOffer
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case offer
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case answer
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case provisionalAnswer
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@ -21,6 +23,7 @@ public final class CallMessage : ControlMessage {
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public var description: String {
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switch self {
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case .preOffer: return "preOffer"
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case .offer: return "offer"
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case .answer: return "answer"
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case .provisionalAnswer: return "provisionalAnswer"
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@ -33,8 +36,9 @@ public final class CallMessage : ControlMessage {
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// MARK: Initialization
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public override init() { super.init() }
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internal init(kind: Kind, sdps: [String]) {
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internal init(uuid: String, kind: Kind, sdps: [String]) {
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super.init()
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self.uuid = uuid
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self.kind = kind
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self.sdps = sdps
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}
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@ -42,7 +46,7 @@ public final class CallMessage : ControlMessage {
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// MARK: Validation
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public override var isValid: Bool {
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guard super.isValid else { return false }
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return kind != nil
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return kind != nil && uuid != nil
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}
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// MARK: Coding
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@ -50,6 +54,7 @@ public final class CallMessage : ControlMessage {
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super.init(coder: coder)
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guard let rawKind = coder.decodeObject(forKey: "kind") as! String? else { return nil }
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switch rawKind {
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case "preOffer": kind = .preOffer
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case "offer": kind = .offer
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case "answer": kind = .answer
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case "provisionalAnswer": kind = .provisionalAnswer
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@ -61,11 +66,13 @@ public final class CallMessage : ControlMessage {
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default: preconditionFailure()
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}
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if let sdps = coder.decodeObject(forKey: "sdps") as! [String]? { self.sdps = sdps }
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if let uuid = coder.decodeObject(forKey: "uuid") as! String? { self.uuid = uuid }
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}
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public override func encode(with coder: NSCoder) {
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super.encode(with: coder)
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switch kind {
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case .preOffer: coder.encode("preOffer", forKey: "kind")
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case .offer: coder.encode("offer", forKey: "kind")
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case .answer: coder.encode("answer", forKey: "kind")
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case .provisionalAnswer: coder.encode("provisionalAnswer", forKey: "kind")
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@ -77,6 +84,7 @@ public final class CallMessage : ControlMessage {
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default: preconditionFailure()
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}
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coder.encode(sdps, forKey: "sdps")
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coder.encode(uuid, forKey: "uuid")
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}
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// MARK: Proto Conversion
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@ -84,6 +92,7 @@ public final class CallMessage : ControlMessage {
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guard let callMessageProto = proto.callMessage else { return nil }
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let kind: Kind
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switch callMessageProto.type {
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case .preOffer: kind = .preOffer
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case .offer: kind = .offer
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case .answer: kind = .answer
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case .provisionalAnswer: kind = .provisionalAnswer
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@ -94,23 +103,25 @@ public final class CallMessage : ControlMessage {
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case .endCall: kind = .endCall
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}
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let sdps = callMessageProto.sdps
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return CallMessage(kind: kind, sdps: sdps)
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let uuid = callMessageProto.uuid
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return CallMessage(uuid: uuid, kind: kind, sdps: sdps)
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}
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public override func toProto(using transaction: YapDatabaseReadWriteTransaction) -> SNProtoContent? {
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guard let kind = kind else {
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guard let kind = kind, let uuid = uuid else {
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SNLog("Couldn't construct call message proto from: \(self).")
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return nil
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}
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let type: SNProtoCallMessage.SNProtoCallMessageType
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switch kind {
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case .preOffer: type = .preOffer
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case .offer: type = .offer
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case .answer: type = .answer
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case .provisionalAnswer: type = .provisionalAnswer
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case .iceCandidates(_, _): type = .iceCandidates
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case .endCall: type = .endCall
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}
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let callMessageProto = SNProtoCallMessage.builder(type: type)
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let callMessageProto = SNProtoCallMessage.builder(type: type, uuid: uuid)
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if let sdps = sdps, !sdps.isEmpty {
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callMessageProto.setSdps(sdps)
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}
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@ -132,6 +143,7 @@ public final class CallMessage : ControlMessage {
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public override var description: String {
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"""
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CallMessage(
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uuid: \(uuid ?? "null"),
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kind: \(kind?.description ?? "null"),
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sdps: \(sdps?.description ?? "null")
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)
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