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Avoid simultaneous state changes (#6986)

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This commit is contained in:
Yoan Pintas
2022-10-27 17:15:18 +02:00
committed by GitHub
parent fb2c7d7708
commit 3226cee25b
2 changed files with 66 additions and 76 deletions
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Riot/Modules/VoiceBroadcast/VoiceBroadcastSDK/VoiceBroadcastService.swift
+66 -75
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@@ -23,15 +23,18 @@ public class VoiceBroadcastService: NSObject {
// MARK: - Properties
public private(set) var voiceBroadcastId: String?
public let room: MXRoom
public private(set) var voiceBroadcastId: String?
public private(set) var state: VoiceBroadcastInfo.State
// Mechanism to process one call of sendVoiceBroadcastInfo() at a time
private let asyncTaskQueue: MXAsyncTaskQueue
// MARK: - Setup
public init(room: MXRoom, state: VoiceBroadcastInfo.State) {
self.room = room
self.state = state
self.asyncTaskQueue = MXAsyncTaskQueue(label: "VoiceBroadcastServiceQueueEventSerialQueue-" + MXTools.generateSecret())
}
// MARK: - Constants
@@ -43,9 +46,8 @@ public class VoiceBroadcastService: NSObject {
/// Start a voice broadcast.
/// - Parameters:
/// - completion: A closure called when the operation completes. Provides the event id of the event generated on the home server on success.
/// - Returns: a `MXHTTPOperation` instance.
func startVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) -> MXHTTPOperation? {
return sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.started) { [weak self] response in
func startVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) {
sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.started) { [weak self] response in
guard let self = self else { return }
switch response {
@@ -61,25 +63,22 @@ public class VoiceBroadcastService: NSObject {
/// Pause a voice broadcast.
/// - Parameters:
/// - completion: A closure called when the operation completes. Provides the event id of the event generated on the home server on success.
/// - Returns: a `MXHTTPOperation` instance.
func pauseVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) -> MXHTTPOperation? {
return sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.paused, completion: completion)
func pauseVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) {
sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.paused, completion: completion)
}
/// resume a voice broadcast.
/// - Parameters:
/// - completion: A closure called when the operation completes. Provides the event id of the event generated on the home server on success.
/// - Returns: a `MXHTTPOperation` instance.
func resumeVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) -> MXHTTPOperation? {
return sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.resumed, completion: completion)
func resumeVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) {
sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.resumed, completion: completion)
}
/// stop a voice broadcast info.
/// - Parameters:
/// - completion: A closure called when the operation completes. Provides the event id of the event generated on the home server on success.
/// - Returns: a `MXHTTPOperation` instance.
func stopVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) -> MXHTTPOperation? {
return sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.stopped, completion: completion)
func stopVoiceBroadcast(completion: @escaping (MXResponse<String?>) -> Void) {
sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State.stopped, completion: completion)
}
func getState() -> String {
@@ -104,7 +103,6 @@ public class VoiceBroadcastService: NSObject {
func sendChunkOfVoiceBroadcast(audioFileLocalURL: URL,
mimeType: String?,
duration: UInt,
samples: [Float]?,
sequence: UInt,
success: @escaping ((String?) -> Void),
failure: @escaping ((Error?) -> Void)) {
@@ -116,7 +114,6 @@ public class VoiceBroadcastService: NSObject {
voiceBroadcastId: voiceBroadcastId,
mimeType: mimeType,
duration: duration,
samples: samples,
sequence: sequence,
success: success,
failure: failure)
@@ -137,52 +134,58 @@ public class VoiceBroadcastService: NSObject {
}
}
private func sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State, completion: @escaping (MXResponse<String?>) -> Void) -> MXHTTPOperation? {
private func sendVoiceBroadcastInfo(state: VoiceBroadcastInfo.State, completion: @escaping (MXResponse<String?>) -> Void) {
guard let userId = self.room.mxSession.myUserId else {
completion(.failure(VoiceBroadcastServiceError.missingUserId))
return nil
return
}
guard self.allowedStates(from: self.state).contains(state) else {
MXLog.warning("[VoiceBroadcastService] sendVoiceBroadcastInfo: unexpected state change \(self.state) -> \(state)")
completion(.failure(VoiceBroadcastServiceError.unexpectedState))
return nil
}
let stateKey = userId
let voiceBroadcastInfo = VoiceBroadcastInfo()
voiceBroadcastInfo.deviceId = self.room.mxSession.myDeviceId
voiceBroadcastInfo.state = state.rawValue
if state != VoiceBroadcastInfo.State.started {
guard let voiceBroadcastId = self.voiceBroadcastId else {
completion(.failure(VoiceBroadcastServiceError.notStarted))
return nil
asyncTaskQueue.async { (taskCompleted) in
guard self.allowedStates(from: self.state).contains(state) else {
MXLog.warning("[VoiceBroadcastService] sendVoiceBroadcastInfo: unexpected state change \(self.state) -> \(state)")
completion(.failure(VoiceBroadcastServiceError.unexpectedState))
taskCompleted()
return
}
voiceBroadcastInfo.voiceBroadcastId = voiceBroadcastId
} else {
voiceBroadcastInfo.chunkLength = BuildSettings.voiceBroadcastChunkLength
}
guard let stateEventContent = voiceBroadcastInfo.jsonDictionary() as? [String: Any] else {
completion(.failure(VoiceBroadcastServiceError.unknown))
return nil
}
return self.room.sendStateEvent(.custom(VoiceBroadcastSettings.voiceBroadcastInfoContentKeyType),
content: stateEventContent, stateKey: stateKey) { [weak self] response in
guard let self = self else { return }
let stateKey = userId
switch response {
case .success(let object):
self.state = state
completion(.success(object))
case .failure(let error):
completion(.failure(error))
let voiceBroadcastInfo = VoiceBroadcastInfo()
voiceBroadcastInfo.deviceId = self.room.mxSession.myDeviceId
voiceBroadcastInfo.state = state.rawValue
if state != VoiceBroadcastInfo.State.started {
guard let voiceBroadcastId = self.voiceBroadcastId else {
completion(.failure(VoiceBroadcastServiceError.notStarted))
taskCompleted()
return
}
voiceBroadcastInfo.voiceBroadcastId = voiceBroadcastId
} else {
voiceBroadcastInfo.chunkLength = BuildSettings.voiceBroadcastChunkLength
}
guard let stateEventContent = voiceBroadcastInfo.jsonDictionary() as? [String: Any] else {
completion(.failure(VoiceBroadcastServiceError.unknown))
taskCompleted()
return
}
self.room.sendStateEvent(.custom(VoiceBroadcastSettings.voiceBroadcastInfoContentKeyType),
content: stateEventContent, stateKey: stateKey) { [weak self] response in
guard let self = self else { return }
switch response {
case .success(let object):
self.state = state
completion(.success(object))
case .failure(let error):
completion(.failure(error))
}
taskCompleted()
}
}
}
@@ -195,10 +198,8 @@ extension VoiceBroadcastService {
/// - Parameters:
/// - success: A closure called when the operation is complete.
/// - failure: A closure called when the operation fails.
/// - Returns: a `MXHTTPOperation` instance.
@discardableResult
@objc public func startVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) -> MXHTTPOperation? {
return self.startVoiceBroadcast { response in
@objc public func startVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) {
self.startVoiceBroadcast { response in
switch response {
case .success(let object):
success(object)
@@ -212,10 +213,8 @@ extension VoiceBroadcastService {
/// - Parameters:
/// - success: A closure called when the operation is complete.
/// - failure: A closure called when the operation fails.
/// - Returns: a `MXHTTPOperation` instance.
@discardableResult
@objc public func pauseVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) -> MXHTTPOperation? {
return self.pauseVoiceBroadcast { response in
@objc public func pauseVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) {
self.pauseVoiceBroadcast { response in
switch response {
case .success(let object):
success(object)
@@ -229,10 +228,8 @@ extension VoiceBroadcastService {
/// - Parameters:
/// - success: A closure called when the operation is complete.
/// - failure: A closure called when the operation fails.
/// - Returns: a `MXHTTPOperation` instance.
@discardableResult
@objc public func resumeVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) -> MXHTTPOperation? {
return self.resumeVoiceBroadcast { response in
@objc public func resumeVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) {
self.resumeVoiceBroadcast { response in
switch response {
case .success(let object):
success(object)
@@ -246,10 +243,8 @@ extension VoiceBroadcastService {
/// - Parameters:
/// - success: A closure called when the operation is complete.
/// - failure: A closure called when the operation fails.
/// - Returns: a `MXHTTPOperation` instance.
@discardableResult
@objc public func stopVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) -> MXHTTPOperation? {
return self.stopVoiceBroadcast { response in
@objc public func stopVoiceBroadcast(success: @escaping (String?) -> Void, failure: @escaping (Error) -> Void) {
self.stopVoiceBroadcast { response in
switch response {
case .success(let object):
success(object)
@@ -279,14 +274,10 @@ extension MXRoom {
voiceBroadcastId: String,
mimeType: String?,
duration: UInt,
samples: [Float]?,
threadId: String? = nil,
sequence: UInt,
success: @escaping ((String?) -> Void),
failure: @escaping ((Error?) -> Void)) -> MXHTTPOperation? {
let boxedSamples = samples?.compactMap { NSNumber(value: $0) }
guard let relatesTo = MXEventContentRelatesTo(relationType: MXEventRelationTypeReference,
eventId: voiceBroadcastId).jsonDictionary() as? [String: Any] else {
failure(VoiceBroadcastServiceError.unknown)
@@ -300,7 +291,7 @@ extension MXRoom {
VoiceBroadcastSettings.voiceBroadcastContentKeyChunkType: sequenceValue],
mimeType: mimeType,
duration: duration,
samples: boxedSamples,
samples: nil,
threadId: threadId,
localEcho: nil,
success: success,