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Support legacy synthetic ids

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This commit is contained in:
Ali
2021-03-24 23:32:36 +04:00
parent 6448cd9bdb
commit 2fc67cdbbb
1 changed files with 21 additions and 10 deletions
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31
submodules/Postbox/Sources/Peer.swift
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@@ -8,7 +8,7 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
fileprivate var rawValue: UInt32
public init(rawValue: UInt32) {
fileprivate init(rawValue: UInt32) {
precondition((rawValue | 0x7) == 0x7)
self.rawValue = rawValue
@@ -28,10 +28,14 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
}
public struct Id: Comparable, Hashable, Codable {
public static var max: Id {
return Id(rawValue: 0x000000007fffffff)
}
fileprivate var rawValue: UInt64
public init(rawValue: UInt64) {
precondition((rawValue | 0xFFFFFFFFFFFFF) == 0xFFFFFFFFFFFFF)
fileprivate init(rawValue: UInt64) {
precondition((rawValue | 0x000FFFFFFFFFFFFF) == 0x000FFFFFFFFFFFFF)
self.rawValue = rawValue
}
@@ -50,7 +54,7 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
}
public static var max: PeerId {
return PeerId(Int64(bitPattern: UInt64.max))
return PeerId(namespace: .max, id: .max)
}
public let namespace: Namespace
@@ -64,14 +68,21 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
public init(_ n: Int64) {
let data = UInt64(bitPattern: n)
let namespaceBits = ((data >> 32) & 0x7)
self.namespace = Namespace(rawValue: UInt32(namespaceBits))
let legacyNamespaceBits = ((data >> 32) & 0xffffffff)
let idLowBits = data & 0xffffffff
let idHighBits = (data >> (32 + 3)) & 0xffffffff
assert(idHighBits == 0)
self.id = Id(rawValue: idLowBits)
if legacyNamespaceBits == 0x7fffffff {
self.namespace = .max
self.id = Id(rawValue: idLowBits)
} else {
let namespaceBits = ((data >> 32) & 0x7)
self.namespace = Namespace(rawValue: UInt32(namespaceBits))
let idHighBits = (data >> (32 + 3)) & 0xffffffff
assert(idHighBits == 0)
self.id = Id(rawValue: idLowBits)
}
}
public func toInt64() -> Int64 {