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Move some Download-specific settings to download.cc

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This commit is contained in:
Eelco Dolstra 2018-03-27 18:54:02 +02:00
parent 737ed88f35
commit c1d445ecec
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GPG key ID: 8170B4726D7198DE
3 changed files with 25 additions and 22 deletions
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32
src/libstore/download.cc
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@ -29,6 +29,26 @@ using namespace std::string_literals;
namespace nix {
struct DownloadSettings : Config
{
Setting<bool> enableHttp2{this, true, "http2",
"Whether to enable HTTP/2 support."};
Setting<std::string> userAgentSuffix{this, "", "user-agent-suffix",
"String appended to the user agent in HTTP requests."};
Setting<size_t> httpConnections{this, 25, "http-connections",
"Number of parallel HTTP connections.",
{"binary-caches-parallel-connections"}};
Setting<unsigned long> connectTimeout{this, 0, "connect-timeout",
"Timeout for connecting to servers during downloads. 0 means use curl's builtin default."};
};
static DownloadSettings downloadSettings;
static GlobalConfig::Register r1(&downloadSettings);
std::string resolveUri(const std::string & uri)
{
if (uri.compare(0, 8, "channel:") == 0)
@ -54,8 +74,6 @@ struct CurlDownloader : public Downloader
std::random_device rd;
std::mt19937 mt19937;
bool enableHttp2;
struct DownloadItem : public std::enable_shared_from_this<DownloadItem>
{
CurlDownloader & downloader;
@ -221,12 +239,12 @@ struct CurlDownloader : public Downloader
curl_easy_setopt(req, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(req, CURLOPT_USERAGENT,
("curl/" LIBCURL_VERSION " Nix/" + nixVersion +
(settings.userAgentSuffix != "" ? " " + settings.userAgentSuffix.get() : "")).c_str());
(downloadSettings.userAgentSuffix != "" ? " " + downloadSettings.userAgentSuffix.get() : "")).c_str());
#if LIBCURL_VERSION_NUM >= 0x072b00
curl_easy_setopt(req, CURLOPT_PIPEWAIT, 1);
#endif
#if LIBCURL_VERSION_NUM >= 0x072f00
if (downloader.enableHttp2)
if (downloadSettings.enableHttp2)
curl_easy_setopt(req, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
#endif
curl_easy_setopt(req, CURLOPT_WRITEFUNCTION, DownloadItem::writeCallbackWrapper);
@ -258,7 +276,7 @@ struct CurlDownloader : public Downloader
curl_easy_setopt(req, CURLOPT_SSL_VERIFYHOST, 0);
}
curl_easy_setopt(req, CURLOPT_CONNECTTIMEOUT, settings.connectTimeout.get());
curl_easy_setopt(req, CURLOPT_CONNECTTIMEOUT, downloadSettings.connectTimeout.get());
curl_easy_setopt(req, CURLOPT_LOW_SPEED_LIMIT, 1L);
curl_easy_setopt(req, CURLOPT_LOW_SPEED_TIME, lowSpeedTimeout);
@ -401,11 +419,9 @@ struct CurlDownloader : public Downloader
#endif
#if LIBCURL_VERSION_NUM >= 0x071e00 // Max connections requires >= 7.30.0
curl_multi_setopt(curlm, CURLMOPT_MAX_TOTAL_CONNECTIONS,
settings.binaryCachesParallelConnections.get());
downloadSettings.httpConnections.get());
#endif
enableHttp2 = settings.enableHttp2;
wakeupPipe.create();
fcntl(wakeupPipe.readSide.get(), F_SETFL, O_NONBLOCK);