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bound range cache probe startup

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dirtydishes 2026-05-26 08:17:07 -04:00
parent 4d0e675aa3
commit 4b173e0b88
6 changed files with 254 additions and 5 deletions
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11
Dreamio/ProgressiveHTTPRangeCache.swift
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@ -265,14 +265,14 @@ final class HTTPRangeRemoteFetcher {
self.session = session
}
func probe() async -> HTTPRangeProbeResult {
func probe(timeoutInterval: TimeInterval = 3) async -> HTTPRangeProbeResult {
guard ["http", "https"].contains(url.scheme?.lowercased() ?? "") else {
return HTTPRangeProbeResult(isCacheable: false, contentLength: nil, fallbackReason: "non-http-url")
}
guard !url.path.lowercased().hasSuffix(".m3u8") else {
return HTTPRangeProbeResult(isCacheable: false, contentLength: nil, fallbackReason: "hls-playlist")
}
if let head = try? await response(for: request(method: "HEAD")),
if let head = try? await response(for: request(method: "HEAD", timeoutInterval: timeoutInterval)),
(200..<400).contains(head.statusCode) {
let acceptsRanges = header("Accept-Ranges", in: head)?.lowercased().contains("bytes") == true
let length = header("Content-Length", in: head).flatMap(Int64.init)
@ -281,7 +281,7 @@ final class HTTPRangeRemoteFetcher {
}
}
var tinyRequest = request(method: "GET")
var tinyRequest = request(method: "GET", timeoutInterval: timeoutInterval)
tinyRequest.setValue("bytes=0-0", forHTTPHeaderField: "Range")
do {
let (data, response) = try await session.data(for: tinyRequest)
@ -317,9 +317,12 @@ final class HTTPRangeRemoteFetcher {
return response as? HTTPURLResponse
}
private func request(method: String) -> URLRequest {
private func request(method: String, timeoutInterval: TimeInterval? = nil) -> URLRequest {
var request = URLRequest(url: url)
request.httpMethod = method
if let timeoutInterval {
request.timeoutInterval = timeoutInterval
}
headers.forEach { key, value in
request.setValue(value, forHTTPHeaderField: key)
}

2
Dreamio/VLCNativePlaybackBackend.swift
View file

@ -78,7 +78,7 @@ final class VLCNativePlaybackBackend: NSObject, NativePlaybackBackend {
return
}
let fetcher = HTTPRangeRemoteFetcher(url: request.playbackURL, headers: request.headers)
let probe = await fetcher.probe()
let probe = await fetcher.probe(timeoutInterval: 1.5)
guard !Task.isCancelled else {
return
}