/
Request+Body.swift
59 lines (52 loc) 路 1.96 KB
/
Request+Body.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
extension Request {
public struct Body: CustomStringConvertible {
let request: Request
init(_ request: Request) {
self.request = request
}
public var data: ByteBuffer? {
switch self.request.bodyStorage {
case .collected(let buffer): return buffer
case .none, .stream: return nil
}
}
public var string: String? {
if var data = self.data {
return data.readString(length: data.readableBytes)
} else {
return nil
}
}
public func drain(_ handler: @escaping (BodyStreamResult) -> EventLoopFuture<Void>) {
switch self.request.bodyStorage {
case .stream(let stream):
stream.read { (result, promise) in
handler(result).cascade(to: promise)
}
case .collected(let buffer):
_ = handler(.buffer(buffer))
_ = handler(.end)
case .none: break
}
}
public func collect(max: Int? = 1 << 14) -> EventLoopFuture<ByteBuffer?> {
switch self.request.bodyStorage {
case .stream(let stream):
return stream.consume(max: max, on: self.request.eventLoop).map { buffer in
self.request.bodyStorage = .collected(buffer)
return buffer
}
case .collected(let buffer):
if let max = max, buffer.readableBytes > max {
return self.request.eventLoop.future(error: Abort(.payloadTooLarge))
}
return self.request.eventLoop.makeSucceededFuture(buffer)
case .none:
return self.request.eventLoop.makeSucceededFuture(nil)
}
}
public var description: String {
return ""
}
}
}