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Diffstat (limited to 'lib/http2.c')
-rw-r--r--lib/http2.c57
1 files changed, 53 insertions, 4 deletions
diff --git a/lib/http2.c b/lib/http2.c
index dffc7a254..72b38a3f6 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -55,7 +55,7 @@
#define NGHTTP2_HAS_SET_LOCAL_WINDOW_SIZE 1
#endif
-#define HTTP2_HUGE_WINDOW_SIZE (1 << 30)
+#define HTTP2_HUGE_WINDOW_SIZE (32 * 1024 * 1024) /* 32 MB */
#ifdef DEBUG_HTTP2
#define H2BUGF(x) x
@@ -1118,6 +1118,7 @@ static void populate_settings(struct connectdata *conn,
struct http_conn *httpc)
{
nghttp2_settings_entry *iv = httpc->local_settings;
+ DEBUGASSERT(conn->data);
iv[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[0].value = Curl_multi_max_concurrent_streams(conn->data->multi);
@@ -1554,8 +1555,12 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
return ncopy;
}
- H2BUGF(infof(data, "http2_recv: easy %p (stream %u)\n",
- data, stream->stream_id));
+ H2BUGF(infof(data, "http2_recv: easy %p (stream %u) win %u/%u\n",
+ data, stream->stream_id,
+ nghttp2_session_get_local_window_size(httpc->h2),
+ nghttp2_session_get_stream_local_window_size(httpc->h2,
+ stream->stream_id)
+ ));
if((data->state.drain) && stream->memlen) {
H2BUGF(infof(data, "http2_recv: DRAIN %zu bytes stream %u!! (%p => %p)\n",
@@ -1586,7 +1591,6 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
stream->pausedata += nread;
stream->pauselen -= nread;
- infof(data, "%zd data bytes written\n", nread);
if(stream->pauselen == 0) {
H2BUGF(infof(data, "Unpaused by stream %u\n", stream->stream_id));
DEBUGASSERT(httpc->pause_stream_id == stream->stream_id);
@@ -2288,6 +2292,51 @@ CURLcode Curl_http2_switched(struct connectdata *conn,
return CURLE_OK;
}
+CURLcode Curl_http2_stream_pause(struct Curl_easy *data, bool pause)
+{
+ DEBUGASSERT(data);
+ DEBUGASSERT(data->conn);
+ /* if it isn't HTTP/2, we're done */
+ if(!data->conn->proto.httpc.h2)
+ return CURLE_OK;
+#ifdef NGHTTP2_HAS_SET_LOCAL_WINDOW_SIZE
+ else {
+ struct HTTP *stream = data->req.protop;
+ struct http_conn *httpc = &data->conn->proto.httpc;
+ uint32_t window = !pause * HTTP2_HUGE_WINDOW_SIZE;
+ int rv = nghttp2_session_set_local_window_size(httpc->h2,
+ NGHTTP2_FLAG_NONE,
+ stream->stream_id,
+ window);
+ if(rv) {
+ failf(data, "nghttp2_session_set_local_window_size() failed: %s(%d)",
+ nghttp2_strerror(rv), rv);
+ return CURLE_HTTP2;
+ }
+
+ /* make sure the window update gets sent */
+ rv = h2_session_send(data, httpc->h2);
+ if(rv)
+ return CURLE_SEND_ERROR;
+
+ DEBUGF(infof(data, "Set HTTP/2 window size to %u for stream %u\n",
+ window, stream->stream_id));
+
+#ifdef DEBUGBUILD
+ {
+ /* read out the stream local window again */
+ uint32_t window2 =
+ nghttp2_session_get_stream_local_window_size(httpc->h2,
+ stream->stream_id);
+ DEBUGF(infof(data, "HTTP/2 window size is now %u for stream %u\n",
+ window2, stream->stream_id));
+ }
+#endif
+ }
+#endif
+ return CURLE_OK;
+}
+
CURLcode Curl_http2_add_child(struct Curl_easy *parent,
struct Curl_easy *child,
bool exclusive)