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Merge pull request #281 from zeugmaster/reduce-fragment-size

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Reduce fragment size
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jack
2025-07-22 11:45:47 +02:00
committed by GitHub
parent 06a7003924 e2f6e4a298
commit 327869cbdc
1 changed files with 1 additions and 1 deletions
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bitchat/Services/BluetoothMeshService.swift
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@@ -170,7 +170,7 @@ class BluetoothMeshService: NSObject {
// Fragment handling with security limits // Fragment handling with security limits
private var incomingFragments: [String: [Int: Data]] = [:] // fragmentID -> [index: data] private var incomingFragments: [String: [Int: Data]] = [:] // fragmentID -> [index: data]
private var fragmentMetadata: [String: (originalType: UInt8, totalFragments: Int, timestamp: Date)] = [:] private var fragmentMetadata: [String: (originalType: UInt8, totalFragments: Int, timestamp: Date)] = [:]
private let maxFragmentSize = 500 // Optimized for BLE 5.0 extended data length private let maxFragmentSize = 469 // 512 bytes max MTU - 43 bytes for headers and metadata
private let maxConcurrentFragmentSessions = 20 // Limit concurrent fragment sessions to prevent DoS private let maxConcurrentFragmentSessions = 20 // Limit concurrent fragment sessions to prevent DoS
private let fragmentTimeout: TimeInterval = 30 // 30 seconds timeout for incomplete fragments private let fragmentTimeout: TimeInterval = 30 // 30 seconds timeout for incomplete fragments