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This commit is contained in:
Peter
2016-06-05 00:30:30 +03:00
parent 81a073645c
commit 10fe532059
18 changed files with 1303 additions and 426 deletions
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80
Postbox/MessageHistoryReadStateTable.swift
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@@ -1,5 +1,12 @@
import Foundation
private let traceReadStates = false
enum ApplyInteractiveMaxReadIdResult {
case None
case Push(thenSync: Bool)
}
private final class InternalPeerReadStates {
var namespaces: [MessageId.Namespace: PeerReadState]
@@ -61,6 +68,10 @@ final class MessageHistoryReadStateTable: Table {
}
func resetStates(peerId: PeerId, namespaces: [MessageId.Namespace: PeerReadState]) -> CombinedPeerReadState? {
if traceReadStates {
print("[ReadStateTable] resetStates peerId: \(peerId), namespaces: \(namespaces)")
}
self.updatedPeerIds.insert(peerId)
if let states = self.get(peerId) {
@@ -96,6 +107,10 @@ final class MessageHistoryReadStateTable: Table {
}
if let states = self.get(peerId) {
if traceReadStates {
print("[ReadStateTable] addIncomingMessages peerId: \(peerId), ids: \(ids) (before: \(states.namespaces))")
}
var updated = false
var invalidated = false
for (namespace, ids) in idsByNamespace {
@@ -112,6 +127,10 @@ final class MessageHistoryReadStateTable: Table {
if addedUnreadCount != 0 {
states.namespaces[namespace] = PeerReadState(maxReadId: currentState.maxReadId, maxKnownId: currentState.maxKnownId, count: currentState.count + addedUnreadCount)
updated = true
if traceReadStates {
print("[ReadStateTable] added \(addedUnreadCount)")
}
}
}
}
@@ -122,6 +141,9 @@ final class MessageHistoryReadStateTable: Table {
return (updated ? CombinedPeerReadState(states: states.namespaces.map({$0})) : nil, invalidated)
} else {
if traceReadStates {
print("[ReadStateTable] addIncomingMessages peerId: \(peerId), just invalidated)")
}
return (nil, true)
}
@@ -139,6 +161,10 @@ final class MessageHistoryReadStateTable: Table {
}
if let states = self.get(peerId) {
if traceReadStates {
print("[ReadStateTable] deleteMessages peerId: \(peerId), ids: \(ids) (before: \(states.namespaces))")
}
var updated = false
var invalidate = false
for (namespace, ids) in idsByNamespace {
@@ -174,13 +200,28 @@ final class MessageHistoryReadStateTable: Table {
return (nil, false)
}
func applyMaxReadId(peerId: PeerId, namespace: MessageId.Namespace, maxReadId: MessageId.Id, maxKnownId: MessageId.Id, incomingStatsInRange: (MessageId.Id, MessageId.Id) -> (count: Int, holes: Bool)) -> (CombinedPeerReadState?, Bool) {
if let states = self.get(peerId), state = states.namespaces[namespace] {
if state.maxReadId < maxReadId {
let (deltaCount, holes) = incomingStatsInRange(state.maxReadId + 1, maxReadId)
func applyMaxReadId(messageId: MessageId, incomingStatsInRange: (MessageId.Id, MessageId.Id) -> (count: Int, holes: Bool), topMessageId: MessageId.Id?) -> (CombinedPeerReadState?, Bool) {
if let states = self.get(messageId.peerId), state = states.namespaces[messageId.namespace] {
if traceReadStates {
print("[ReadStateTable] applyMaxReadId peerId: \(messageId.peerId), maxReadId: \(messageId.id) (before: \(states.namespaces))")
}
if state.maxReadId < messageId.id || messageId.id == topMessageId {
var (deltaCount, holes) = incomingStatsInRange(state.maxReadId + 1, messageId.id)
states.namespaces[namespace] = PeerReadState(maxReadId: maxReadId, maxKnownId: max(state.maxKnownId, maxReadId), count: state.count - Int32(deltaCount))
self.updatedPeerIds.insert(peerId)
if traceReadStates {
print("[ReadStateTable] applyMaxReadId after deltaCount: \(deltaCount), holes: \(holes)")
}
if messageId.id == topMessageId {
if deltaCount != Int(state.count) {
deltaCount = Int(state.count)
holes = true
}
}
states.namespaces[messageId.namespace] = PeerReadState(maxReadId: messageId.id, maxKnownId: state.maxKnownId, count: state.count - Int32(deltaCount))
self.updatedPeerIds.insert(messageId.peerId)
return (CombinedPeerReadState(states: states.namespaces.map({$0})), holes)
}
} else {
@@ -190,29 +231,14 @@ final class MessageHistoryReadStateTable: Table {
return (nil, false)
}
func clearUnreadLocally(peerId: PeerId, topId: (PeerId, MessageId.Namespace) -> MessageId.Id?) -> CombinedPeerReadState? {
if let states = self.get(peerId) {
var updatedNamespaces: [MessageId.Namespace: PeerReadState] = [:]
var updated = false
for (namespace, state) in states.namespaces {
if let topMessageId = topId(peerId, namespace) {
let updatedState = PeerReadState(maxReadId: topMessageId, maxKnownId: topMessageId, count: 0)
if updatedState != state {
updated = true
}
updatedNamespaces[namespace] = updatedState
} else {
let updatedState = PeerReadState(maxReadId: state.maxReadId, maxKnownId: state.maxKnownId, count: 0)
updated = true
}
}
if updated {
self.updatedPeerIds.insert(peerId)
return CombinedPeerReadState(states: states.namespaces.map({$0}))
}
func applyInteractiveMaxReadId(messageId: MessageId, incomingStatsInRange: (MessageId.Id, MessageId.Id) -> (count: Int, holes: Bool), topMessageId: MessageId.Id?) -> (combinedState: CombinedPeerReadState?, ApplyInteractiveMaxReadIdResult) {
let (combinedState, holes) = self.applyMaxReadId(messageId, incomingStatsInRange: incomingStatsInRange, topMessageId: topMessageId)
if let combinedState = combinedState {
return (combinedState, .Push(thenSync: holes))
}
return nil
return (combinedState, holes ? .Push(thenSync: true) : .None)
}
override func beforeCommit() {