diff options
Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/download.cc | 44 | ||||
| -rw-r--r-- | src/libstore/download.hh | 20 |
2 files changed, 37 insertions, 27 deletions
diff --git a/src/libstore/download.cc b/src/libstore/download.cc index 975cfd97d..a7c2600f6 100644 --- a/src/libstore/download.cc +++ b/src/libstore/download.cc @@ -319,10 +319,10 @@ struct CurlDownloader : public Downloader long httpStatus = 0; curl_easy_getinfo(req, CURLINFO_RESPONSE_CODE, &httpStatus); - char * effectiveUrlCStr; - curl_easy_getinfo(req, CURLINFO_EFFECTIVE_URL, &effectiveUrlCStr); - if (effectiveUrlCStr) - result.effectiveUrl = effectiveUrlCStr; + char * effectiveUriCStr; + curl_easy_getinfo(req, CURLINFO_EFFECTIVE_URL, &effectiveUriCStr); + if (effectiveUriCStr) + result.effectiveUri = effectiveUriCStr; debug("finished %s of '%s'; curl status = %d, HTTP status = %d, body = %d bytes", request.verb(), request.uri, code, httpStatus, result.bodySize); @@ -790,18 +790,20 @@ void Downloader::download(DownloadRequest && request, Sink & sink) } } -CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string & url_, bool unpack, string name, const Hash & expectedHash, string * effectiveUrl, int ttl) +CachedDownloadResult Downloader::downloadCached( + ref<Store> store, const CachedDownloadRequest & request) { - auto url = resolveUri(url_); + auto url = resolveUri(request.uri); + auto name = request.name; if (name == "") { auto p = url.rfind('/'); if (p != string::npos) name = string(url, p + 1); } Path expectedStorePath; - if (expectedHash) { - expectedStorePath = store->makeFixedOutputPath(unpack, expectedHash, name); + if (request.expectedHash) { + expectedStorePath = store->makeFixedOutputPath(request.unpack, request.expectedHash, name); if (store->isValidPath(expectedStorePath)) { CachedDownloadResult result; result.storePath = expectedStorePath; @@ -835,10 +837,9 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string & auto ss = tokenizeString<vector<string>>(readFile(dataFile), "\n"); if (ss.size() >= 3 && ss[0] == url) { time_t lastChecked; - if (string2Int(ss[2], lastChecked) && lastChecked + ttl >= time(0)) { + if (string2Int(ss[2], lastChecked) && lastChecked + request.ttl >= time(0)) { skip = true; - if (effectiveUrl) - *effectiveUrl = url_; + result.effectiveUri = request.uri; result.etag = ss[1]; } else if (!ss[1].empty()) { debug(format("verifying previous ETag '%1%'") % ss[1]); @@ -852,18 +853,17 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string & if (!skip) { try { - DownloadRequest request(url); - request.expectedETag = expectedETag; - auto res = download(request); - if (effectiveUrl) - *effectiveUrl = res.effectiveUrl; + DownloadRequest request2(url); + request2.expectedETag = expectedETag; + auto res = download(request2); + result.effectiveUri = res.effectiveUri; result.etag = res.etag; if (!res.cached) { ValidPathInfo info; StringSink sink; dumpString(*res.data, sink); - Hash hash = hashString(expectedHash ? expectedHash.type : htSHA256, *res.data); + Hash hash = hashString(request.expectedHash ? request.expectedHash.type : htSHA256, *res.data); info.path = store->makeFixedOutputPath(false, hash, name); info.narHash = hashString(htSHA256, *sink.s); info.narSize = sink.s->size(); @@ -883,7 +883,7 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string & } } - if (unpack) { + if (request.unpack) { Path unpackedLink = cacheDir + "/" + baseNameOf(storePath) + "-unpacked"; PathLocks lock2({unpackedLink}, fmt("waiting for lock on '%1%'...", unpackedLink)); Path unpackedStorePath; @@ -906,11 +906,11 @@ CachedDownloadResult Downloader::downloadCached(ref<Store> store, const string & } if (expectedStorePath != "" && storePath != expectedStorePath) { - Hash gotHash = unpack - ? hashPath(expectedHash.type, store->toRealPath(storePath)).first - : hashFile(expectedHash.type, store->toRealPath(storePath)); + Hash gotHash = request.unpack + ? hashPath(request.expectedHash.type, store->toRealPath(storePath)).first + : hashFile(request.expectedHash.type, store->toRealPath(storePath)); throw nix::Error("hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s", - url, expectedHash.to_string(), gotHash.to_string()); + url, request.expectedHash.to_string(), gotHash.to_string()); } result.storePath = storePath; diff --git a/src/libstore/download.hh b/src/libstore/download.hh index aa8c34be2..b676a1a7b 100644 --- a/src/libstore/download.hh +++ b/src/libstore/download.hh @@ -36,11 +36,23 @@ struct DownloadResult { bool cached = false; std::string etag; - std::string effectiveUrl; + std::string effectiveUri; std::shared_ptr<std::string> data; uint64_t bodySize = 0; }; +struct CachedDownloadRequest +{ + std::string uri; + bool unpack = false; + std::string name; + Hash expectedHash; + unsigned int ttl = settings.tarballTtl; + + CachedDownloadRequest(const std::string & uri) + : uri(uri) { } +}; + struct CachedDownloadResult { // Note: 'storePath' may be different from 'path' when using a @@ -48,6 +60,7 @@ struct CachedDownloadResult Path storePath; Path path; std::optional<std::string> etag; + std::string effectiveUri; }; class Store; @@ -73,10 +86,7 @@ struct Downloader and is more recent than ‘tarball-ttl’ seconds. Otherwise, use the recorded ETag to verify if the server has a more recent version, and if so, download it to the Nix store. */ - CachedDownloadResult downloadCached( - ref<Store> store, const string & uri, bool unpack, string name = "", - const Hash & expectedHash = Hash(), string * effectiveUri = nullptr, - int ttl = settings.tarballTtl); + CachedDownloadResult downloadCached(ref<Store> store, const CachedDownloadRequest & request); enum Error { NotFound, Forbidden, Misc, Transient, Interrupted }; }; |