From 142ed7fe45a2b1d566e4401b3974cb29b8944fc6 Mon Sep 17 00:00:00 2001
From: Nikola Knezevic <nikola@knezevic.ch>
Date: Mon, 6 Apr 2020 15:18:51 +0200
Subject: DownloadResult -> DataTransferResult

---
 src/libstore/datatransfer.cc            | 20 ++++++++++----------
 src/libstore/datatransfer.hh            |  8 ++++----
 src/libstore/http-binary-cache-store.cc |  2 +-
 src/libstore/s3-binary-cache-store.cc   |  4 ++--
 src/libstore/s3.hh                      |  4 ++--
 5 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/src/libstore/datatransfer.cc b/src/libstore/datatransfer.cc
index 62f546cfa..06aa86d97 100644
--- a/src/libstore/datatransfer.cc
+++ b/src/libstore/datatransfer.cc
@@ -50,10 +50,10 @@ struct CurlDownloader : public Downloader
     {
         CurlDownloader & downloader;
         DataTransferRequest request;
-        DownloadResult result;
+        DataTransferResult result;
         Activity act;
         bool done = false; // whether either the success or failure function has been called
-        Callback<DownloadResult> callback;
+        Callback<DataTransferResult> callback;
         CURL * req = 0;
         bool active = false; // whether the handle has been added to the multi object
         std::string status;
@@ -74,7 +74,7 @@ struct CurlDownloader : public Downloader
 
         DownloadItem(CurlDownloader & downloader,
             const DataTransferRequest & request,
-            Callback<DownloadResult> && callback)
+            Callback<DataTransferResult> && callback)
             : downloader(downloader)
             , request(request)
             , act(*logger, lvlTalkative, actDownload,
@@ -642,7 +642,7 @@ struct CurlDownloader : public Downloader
 #endif
 
     void enqueueDownload(const DataTransferRequest & request,
-        Callback<DownloadResult> callback) override
+        Callback<DataTransferResult> callback) override
     {
         /* Ugly hack to support s3:// URIs. */
         if (hasPrefix(request.uri, "s3://")) {
@@ -660,7 +660,7 @@ struct CurlDownloader : public Downloader
 
                 // FIXME: implement ETag
                 auto s3Res = s3Helper.getObject(bucketName, key);
-                DownloadResult res;
+                DataTransferResult res;
                 if (!s3Res.data)
                     throw DownloadError(NotFound, fmt("S3 object '%s' does not exist", request.uri));
                 res.data = s3Res.data;
@@ -687,11 +687,11 @@ ref<Downloader> makeDownloader()
     return make_ref<CurlDownloader>();
 }
 
-std::future<DownloadResult> Downloader::enqueueDownload(const DataTransferRequest & request)
+std::future<DataTransferResult> Downloader::enqueueDownload(const DataTransferRequest & request)
 {
-    auto promise = std::make_shared<std::promise<DownloadResult>>();
+    auto promise = std::make_shared<std::promise<DataTransferResult>>();
     enqueueDownload(request,
-        {[promise](std::future<DownloadResult> fut) {
+        {[promise](std::future<DataTransferResult> fut) {
             try {
                 promise->set_value(fut.get());
             } catch (...) {
@@ -701,7 +701,7 @@ std::future<DownloadResult> Downloader::enqueueDownload(const DataTransferReques
     return promise->get_future();
 }
 
-DownloadResult Downloader::download(const DataTransferRequest & request)
+DataTransferResult Downloader::download(const DataTransferRequest & request)
 {
     return enqueueDownload(request).get();
 }
@@ -756,7 +756,7 @@ void Downloader::download(DataTransferRequest && request, Sink & sink)
     };
 
     enqueueDownload(request,
-        {[_state](std::future<DownloadResult> fut) {
+        {[_state](std::future<DataTransferResult> fut) {
             auto state(_state->lock());
             state->quit = true;
             try {
diff --git a/src/libstore/datatransfer.hh b/src/libstore/datatransfer.hh
index 16955ff06..b9e55655f 100644
--- a/src/libstore/datatransfer.hh
+++ b/src/libstore/datatransfer.hh
@@ -56,7 +56,7 @@ struct DataTransferRequest
     }
 };
 
-struct DownloadResult
+struct DataTransferResult
 {
     bool cached = false;
     std::string etag;
@@ -75,12 +75,12 @@ struct Downloader
        the download. The future may throw a DownloadError
        exception. */
     virtual void enqueueDownload(const DataTransferRequest & request,
-        Callback<DownloadResult> callback) = 0;
+        Callback<DataTransferResult> callback) = 0;
 
-    std::future<DownloadResult> enqueueDownload(const DataTransferRequest & request);
+    std::future<DataTransferResult> enqueueDownload(const DataTransferRequest & request);
 
     /* Synchronously download a file. */
-    DownloadResult download(const DataTransferRequest & request);
+    DataTransferResult download(const DataTransferRequest & request);
 
     /* Download a file, writing its data to a sink. The sink will be
        invoked on the thread of the caller. */
diff --git a/src/libstore/http-binary-cache-store.cc b/src/libstore/http-binary-cache-store.cc
index 1fccee518..24a98d073 100644
--- a/src/libstore/http-binary-cache-store.cc
+++ b/src/libstore/http-binary-cache-store.cc
@@ -143,7 +143,7 @@ protected:
         auto callbackPtr = std::make_shared<decltype(callback)>(std::move(callback));
 
         getDownloader()->enqueueDownload(request,
-            {[callbackPtr, this](std::future<DownloadResult> result) {
+            {[callbackPtr, this](std::future<DataTransferResult> result) {
                 try {
                     (*callbackPtr)(result.get().data);
                 } catch (DownloadError & e) {
diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
index ed3c690b6..478cb9f84 100644
--- a/src/libstore/s3-binary-cache-store.cc
+++ b/src/libstore/s3-binary-cache-store.cc
@@ -132,7 +132,7 @@ ref<Aws::Client::ClientConfiguration> S3Helper::makeConfig(const string & region
     return res;
 }
 
-S3Helper::DownloadResult S3Helper::getObject(
+S3Helper::DataTransferResult S3Helper::getObject(
     const std::string & bucketName, const std::string & key)
 {
     debug("fetching 's3://%s/%s'...", bucketName, key);
@@ -146,7 +146,7 @@ S3Helper::DownloadResult S3Helper::getObject(
         return Aws::New<std::stringstream>("STRINGSTREAM");
     });
 
-    DownloadResult res;
+    DataTransferResult res;
 
     auto now1 = std::chrono::steady_clock::now();
 
diff --git a/src/libstore/s3.hh b/src/libstore/s3.hh
index ef5f23d0f..d7d309243 100644
--- a/src/libstore/s3.hh
+++ b/src/libstore/s3.hh
@@ -18,13 +18,13 @@ struct S3Helper
 
     ref<Aws::Client::ClientConfiguration> makeConfig(const std::string & region, const std::string & scheme, const std::string & endpoint);
 
-    struct DownloadResult
+    struct DataTransferResult
     {
         std::shared_ptr<std::string> data;
         unsigned int durationMs;
     };
 
-    DownloadResult getObject(
+    DataTransferResult getObject(
         const std::string & bucketName, const std::string & key);
 };
 
-- 
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