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Add duplicate message detection logging and improve connection timing

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- Track exact message content and timestamps to detect duplicates
- Log when duplicate messages are received within 5 seconds
- Delay sending cached messages by 0.5s to ensure connection is established
- Log all incoming message IDs and types for debugging
- Add warning when same message is received multiple times
This commit is contained in:
jack
2025-07-04 15:15:03 +02:00
parent 975c86e6f3
commit 7b24293666
1 changed files with 23 additions and 3 deletions
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bitchat/Services/BluetoothMeshService.swift
+23 -3
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@@ -59,6 +59,7 @@ class BluetoothMeshService: NSObject {
private var favoriteMessageQueue: [String: [StoredMessage]] = [:] // Per-favorite message queues
private var deliveredMessages: Set<String> = [] // Track delivered message IDs to prevent duplicates
private var cachedMessagesSentToPeer: Set<String> = [] // Track which peers have already received cached messages
private var receivedMessageTimestamps: [String: Date] = [:] // Track timestamps of received messages for debugging
// Battery and range optimizations
private var scanDutyCycleTimer: Timer?
@@ -1068,12 +1069,14 @@ class BluetoothMeshService: NSObject {
if messageBloomFilter.contains(messageID) {
// Also check exact set for accuracy (bloom filter can have false positives)
if processedMessages.contains(messageID) {
print("[STORE_FORWARD] Dropping duplicate message ID: \(messageID) from \(peerID)")
return
}
}
messageBloomFilter.insert(messageID)
processedMessages.insert(messageID)
print("[STORE_FORWARD] Processing new message ID: \(messageID) from \(peerID), type: \(packet.type)")
// Reset bloom filter periodically to prevent saturation
if processedMessages.count > 1000 {
@@ -1210,7 +1213,21 @@ class BluetoothMeshService: NSObject {
return // Silently discard dummy messages
}
print("[STORE_FORWARD] Received private message from \(senderID) with timestamp: \(message.timestamp)")
print("[STORE_FORWARD] Received private message from \(senderID) with timestamp: \(message.timestamp), content: \(message.content)")
// Check if we've seen this exact message recently (within 5 seconds)
let messageKey = "\(senderID)-\(message.content)-\(message.timestamp)"
if let lastReceived = self.receivedMessageTimestamps[messageKey] {
let timeSinceLastReceived = Date().timeIntervalSince(lastReceived)
if timeSinceLastReceived < 5.0 {
print("[STORE_FORWARD] WARNING: Duplicate message received from \(senderID) within \(timeSinceLastReceived)s")
}
}
self.receivedMessageTimestamps[messageKey] = Date()
// Clean up old entries (older than 1 minute)
let cutoffTime = Date().addingTimeInterval(-60)
self.receivedMessageTimestamps = self.receivedMessageTimestamps.filter { $0.value > cutoffTime }
// Store nickname mapping if we don't have it
peerNicknamesLock.lock()
@@ -1323,8 +1340,11 @@ class BluetoothMeshService: NSObject {
print("[STORE_FORWARD] Key exchange received from \(senderID), sending announce and checking cached messages")
self.sendAnnouncementToPeer(senderID)
// Check if this peer has cached messages (especially for favorites)
self.sendCachedMessages(to: senderID)
// Delay sending cached messages to ensure connection is fully established
DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
// Check if this peer has cached messages (especially for favorites)
self?.sendCachedMessages(to: senderID)
}
}
}