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Merge branch 'master' of github.com:NixOS/nix into add-body-to-network-errors

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This commit is contained in:
Carlo Nucera 2020-07-16 12:04:10 -04:00
commit e3a3406db8
108 changed files with 8169 additions and 1851 deletions
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29
src/libstore/filetransfer.cc
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@ -22,6 +22,7 @@
#include <queue>
#include <random>
#include <thread>
#include <regex>
using namespace std::string_literals;
@ -56,6 +57,7 @@ struct curlFileTransfer : public FileTransfer
Callback<FileTransferResult> callback;
CURL * req = 0;
bool active = false; // whether the handle has been added to the multi object
std::string statusMsg;
unsigned int attempt = 0;
@ -185,13 +187,13 @@ struct curlFileTransfer : public FileTransfer
size_t realSize = size * nmemb;
std::string line((char *) contents, realSize);
printMsg(lvlVomit, format("got header for '%s': %s") % request.uri % trim(line));
std::string status;
if (line.compare(0, 5, "HTTP/") == 0) { // new response starts
static std::regex statusLine("HTTP/[^ ]+ +[0-9]+(.*)", std::regex::extended | std::regex::icase);
std::smatch match;
if (std::regex_match(line, match, statusLine)) {
result.etag = "";
auto ss = tokenizeString<vector<string>>(line, " ");
status = ss.size() >= 2 ? ss[1] : "";
result.data = std::make_shared<std::string>();
result.bodySize = 0;
statusMsg = trim(match[1]);
acceptRanges = false;
encoding = "";
} else {
@ -205,7 +207,9 @@ struct curlFileTransfer : public FileTransfer
the expected ETag on a 200 response, then shut
down the connection because we already have the
data. */
if (result.etag == request.expectedETag && status == "200") {
long httpStatus = 0;
curl_easy_getinfo(req, CURLINFO_RESPONSE_CODE, &httpStatus);
if (result.etag == request.expectedETag && httpStatus == 200) {
debug(format("shutting down on 200 HTTP response with expected ETag"));
return 0;
}
@ -426,11 +430,16 @@ struct curlFileTransfer : public FileTransfer
code == CURLE_ABORTED_BY_CALLBACK && _isInterrupted
? FileTransferError(Interrupted, response, "%s of '%s' was interrupted", request.verb(), request.uri)
: httpStatus != 0
? FileTransferError(err, response, "unable to %s '%s': HTTP error %d%s",
request.verb(), request.uri, httpStatus,
code == CURLE_OK ? "" : fmt(" (curl error: %s)", curl_easy_strerror(code)))
: FileTransferError(err, response, "unable to %s '%s': %s (%d)",
request.verb(), request.uri, curl_easy_strerror(code), code);
? FileTransferError(err,
response,
fmt("unable to %s '%s': HTTP error %d ('%s')",
request.verb(), request.uri, httpStatus, statusMsg)
+ (code == CURLE_OK ? "" : fmt(" (curl error: %s)", curl_easy_strerror(code)))
)
: FileTransferError(err,
response,
fmt("unable to %s '%s': %s (%d)",
request.verb(), request.uri, curl_easy_strerror(code), code));
/* If this is a transient error, then maybe retry the
download after a while. If we're writing to a