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-rw-r--r--src/libstore/binary-cache-store.cc1
-rw-r--r--src/libstore/download.cc16
-rw-r--r--src/libstore/download.hh3
-rw-r--r--src/libstore/s3-binary-cache-store.cc28
-rw-r--r--src/libutil/compression.cc31
5 files changed, 71 insertions, 8 deletions
diff --git a/src/libstore/binary-cache-store.cc b/src/libstore/binary-cache-store.cc
index 120345b26..804e3f6aa 100644
--- a/src/libstore/binary-cache-store.cc
+++ b/src/libstore/binary-cache-store.cc
@@ -250,6 +250,7 @@ void BinaryCacheStore::addToStore(const ValidPathInfo & info, const ref<std::str
narInfo->url = "nar/" + printHash32(narInfo->fileHash) + ".nar"
+ (compression == "xz" ? ".xz" :
compression == "bzip2" ? ".bz2" :
+ compression == "br" ? ".br" :
"");
if (repair || !fileExists(narInfo->url)) {
stats.narWrite++;
diff --git a/src/libstore/download.cc b/src/libstore/download.cc
index d9b8fbc08..da29b2fc6 100644
--- a/src/libstore/download.cc
+++ b/src/libstore/download.cc
@@ -39,6 +39,16 @@ std::string resolveUri(const std::string & uri)
return uri;
}
+ref<std::string> decodeContent(const std::string & encoding, ref<std::string> data)
+{
+ if (encoding == "")
+ return data;
+ else if (encoding == "br")
+ return decompress(encoding, *data);
+ else
+ throw Error("unsupported Content-Encoding ‘%s’", encoding);
+}
+
struct CurlDownloader : public Downloader
{
CURLM * curlm = 0;
@@ -275,12 +285,8 @@ struct CurlDownloader : public Downloader
result.cached = httpStatus == 304;
done = true;
- /* Ad hoc support for brotli, since curl doesn't do
- this yet. */
try {
- if (encoding == "br")
- result.data = decompress("br", *result.data);
-
+ result.data = decodeContent(encoding, ref<std::string>(result.data));
callSuccess(success, failure, const_cast<const DownloadResult &>(result));
} catch (...) {
done = true;
diff --git a/src/libstore/download.hh b/src/libstore/download.hh
index bdb5011e7..e2e16b361 100644
--- a/src/libstore/download.hh
+++ b/src/libstore/download.hh
@@ -73,4 +73,7 @@ public:
bool isUri(const string & s);
+/* Decode data according to the Content-Encoding header. */
+ref<std::string> decodeContent(const std::string & encoding, ref<std::string> data);
+
}
diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
index 5134dd175..1d44e6832 100644
--- a/src/libstore/s3-binary-cache-store.cc
+++ b/src/libstore/s3-binary-cache-store.cc
@@ -5,6 +5,8 @@
#include "nar-info.hh"
#include "nar-info-disk-cache.hh"
#include "globals.hh"
+#include "compression.hh"
+#include "download.hh"
#include <aws/core/Aws.h>
#include <aws/core/client/ClientConfiguration.h>
@@ -104,8 +106,10 @@ S3Helper::DownloadResult S3Helper::getObject(
auto result = checkAws(fmt("AWS error fetching ‘%s’", key),
client->GetObject(request));
- res.data = std::make_shared<std::string>(
- dynamic_cast<std::stringstream &>(result.GetBody()).str());
+ res.data = decodeContent(
+ result.GetContentEncoding(),
+ make_ref<std::string>(
+ dynamic_cast<std::stringstream &>(result.GetBody()).str()));
} catch (S3Error & e) {
if (e.err != Aws::S3::S3Errors::NO_SUCH_KEY) throw;
@@ -137,11 +141,15 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
S3Helper s3Helper;
+ std::string textCompression, logCompression;
+
S3BinaryCacheStoreImpl(
const Params & params, const std::string & bucketName)
: S3BinaryCacheStore(params)
, bucketName(bucketName)
, s3Helper(get(params, "aws-region", Aws::Region::US_EAST_1))
+ , textCompression(get(params, "text-compression", "gzip"))
+ , logCompression(get(params, "log-compression", textCompression))
{
diskCache = getNarInfoDiskCache();
}
@@ -220,13 +228,17 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
return true;
}
- void upsertFile(const std::string & path, const std::string & data) override
+ void uploadFile(const std::string & path, const std::string & data,
+ const std::string & contentEncoding)
{
auto request =
Aws::S3::Model::PutObjectRequest()
.WithBucket(bucketName)
.WithKey(path);
+ if (contentEncoding != "")
+ request.SetContentEncoding(contentEncoding);
+
auto stream = std::make_shared<istringstream_nocopy>(data);
request.SetBody(stream);
@@ -249,6 +261,16 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
stats.putTimeMs += duration;
}
+ void upsertFile(const std::string & path, const std::string & data) override
+ {
+ if (path.find(".narinfo") != std::string::npos)
+ uploadFile(path, *compress(textCompression, data), textCompression);
+ else if (path.find("/log") != std::string::npos)
+ uploadFile(path, *compress(logCompression, data), logCompression);
+ else
+ uploadFile(path, data, "");
+ }
+
void getFile(const std::string & path,
std::function<void(std::shared_ptr<std::string>)> success,
std::function<void(std::exception_ptr exc)> failure) override
diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc
index 8cb1dde66..5df97e739 100644
--- a/src/libutil/compression.cc
+++ b/src/libutil/compression.cc
@@ -91,6 +91,7 @@ static ref<std::string> decompressBzip2(const std::string & in)
static ref<std::string> decompressBrotli(const std::string & in)
{
+ // FIXME: use libbrotli
return make_ref<std::string>(runProgram(BRO, true, {"-d"}, in));
}
@@ -266,6 +267,34 @@ struct BzipSink : CompressionSink
}
};
+struct BrotliSink : CompressionSink
+{
+ Sink & nextSink;
+ std::string data;
+
+ BrotliSink(Sink & nextSink) : nextSink(nextSink)
+ {
+ }
+
+ ~BrotliSink()
+ {
+ }
+
+ // FIXME: use libbrotli
+
+ void finish() override
+ {
+ flush();
+ nextSink(runProgram(BRO, true, {}, data));
+ }
+
+ void write(const unsigned char * data, size_t len) override
+ {
+ checkInterrupt();
+ this->data.append((const char *) data, len);
+ }
+};
+
ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & nextSink)
{
if (method == "none")
@@ -274,6 +303,8 @@ ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & next
return make_ref<XzSink>(nextSink);
else if (method == "bzip2")
return make_ref<BzipSink>(nextSink);
+ else if (method == "br")
+ return make_ref<BrotliSink>(nextSink);
else
throw UnknownCompressionMethod(format("unknown compression method ‘%s’") % method);
}