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HttpBinaryCacheStore: Make thread-safe

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This commit is contained in:
Eelco Dolstra 2016-03-24 11:10:05 +01:00
parent c7d44bad00
commit 8b7839b608
1 changed files with 6 additions and 2 deletions
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8
src/libstore/http-binary-cache-store.cc
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@ -10,7 +10,7 @@ private:
Path cacheUri; Path cacheUri;
ref<Downloader> downloader; Pool<Downloader> downloaders;
public: public:
@ -18,7 +18,9 @@ public:
const Path & secretKeyFile, const Path & _cacheUri) const Path & secretKeyFile, const Path & _cacheUri)
: BinaryCacheStore(localStore, secretKeyFile) : BinaryCacheStore(localStore, secretKeyFile)
, cacheUri(_cacheUri) , cacheUri(_cacheUri)
, downloader(makeDownloader()) , downloaders(
std::numeric_limits<size_t>::max(),
[]() { return makeDownloader(); })
{ {
if (cacheUri.back() == '/') if (cacheUri.back() == '/')
cacheUri.pop_back(); cacheUri.pop_back();
@ -36,6 +38,7 @@ protected:
bool fileExists(const std::string & path) override bool fileExists(const std::string & path) override
{ {
try { try {
auto downloader(downloaders.get());
DownloadOptions options; DownloadOptions options;
options.showProgress = DownloadOptions::no; options.showProgress = DownloadOptions::no;
options.head = true; options.head = true;
@ -55,6 +58,7 @@ protected:
std::string getFile(const std::string & path) override std::string getFile(const std::string & path) override
{ {
auto downloader(downloaders.get());
DownloadOptions options; DownloadOptions options;
options.showProgress = DownloadOptions::no; options.showProgress = DownloadOptions::no;
return downloader->download(cacheUri + "/" + path, options).data; return downloader->download(cacheUri + "/" + path, options).data;