Commit b00a09b0665281a327d3e3eab39d6c4723ad74ec
2018-07-27T20:14:27
Merge pull request #4731 from libgit2/ethomson/wintls_fix winhttp: retry erroneously failing requests
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
diff --git a/src/transports/winhttp.c b/src/transports/winhttp.c
index 4eb8b42..1a317f6 100644
--- a/src/transports/winhttp.c
+++ b/src/transports/winhttp.c
@@ -845,23 +845,27 @@ on_error:
static int do_send_request(winhttp_stream *s, size_t len, int ignore_length)
{
- if (ignore_length) {
- if (!WinHttpSendRequest(s->request,
- WINHTTP_NO_ADDITIONAL_HEADERS, 0,
- WINHTTP_NO_REQUEST_DATA, 0,
- WINHTTP_IGNORE_REQUEST_TOTAL_LENGTH, 0)) {
- return -1;
- }
- } else {
- if (!WinHttpSendRequest(s->request,
- WINHTTP_NO_ADDITIONAL_HEADERS, 0,
- WINHTTP_NO_REQUEST_DATA, 0,
- len, 0)) {
- return -1;
+ int attempts;
+ bool success;
+
+ for (attempts = 0; attempts < 5; attempts++) {
+ if (ignore_length) {
+ success = WinHttpSendRequest(s->request,
+ WINHTTP_NO_ADDITIONAL_HEADERS, 0,
+ WINHTTP_NO_REQUEST_DATA, 0,
+ WINHTTP_IGNORE_REQUEST_TOTAL_LENGTH, 0);
+ } else {
+ success = WinHttpSendRequest(s->request,
+ WINHTTP_NO_ADDITIONAL_HEADERS, 0,
+ WINHTTP_NO_REQUEST_DATA, 0,
+ len, 0);
}
+
+ if (success || GetLastError() != SEC_E_BUFFER_TOO_SMALL)
+ break;
}
- return 0;
+ return success ? 0 : -1;
}
static int send_request(winhttp_stream *s, size_t len, int ignore_length)