From 35d30d67ebcca90c3120eeaa7f38baee8805c670 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Tue, 5 May 2015 14:39:48 +0200 Subject: [PATCH] Make downloads interruptable --- src/libexpr/download.cc | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/libexpr/download.cc b/src/libexpr/download.cc index b23e31967..cb06b94e6 100644 --- a/src/libexpr/download.cc +++ b/src/libexpr/download.cc @@ -54,6 +54,11 @@ struct Curl return realSize; } + static int progressCallback(void * clientp, double dltotal, double dlnow, double ultotal, double ulnow) + { + return _isInterrupted; + } + Curl() { requestHeaders = 0; @@ -71,6 +76,9 @@ struct Curl curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, headerCallback); curl_easy_setopt(curl, CURLOPT_HEADERDATA, (void *) &curl); + + curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progressCallback); + curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0); } ~Curl() @@ -98,6 +106,7 @@ struct Curl curl_easy_setopt(curl, CURLOPT_HTTPHEADER, requestHeaders); CURLcode res = curl_easy_perform(curl); + checkInterrupt(); if (res == CURLE_WRITE_ERROR && etag == expectedETag) return false; if (res != CURLE_OK) throw DownloadError(format("unable to download ‘%1%’: %2% (%3%)")