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-rw-r--r--docs/TODO8
-rw-r--r--lib/http2.c15
2 files changed, 13 insertions, 10 deletions
diff --git a/docs/TODO b/docs/TODO
index c3bc4eb55..99c610fe9 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -63,7 +63,6 @@
5.1 Better persistency for HTTP 1.0
5.2 support FF3 sqlite cookie files
5.3 Rearrange request header order
- 5.4 Use huge HTTP/2 windows
5.5 auth= in URLs
5.6 Refuse "downgrade" redirects
5.7 Brotli compression
@@ -528,13 +527,6 @@ This is not detailed in any FTP specification.
headers use a default value so only headers that need to be moved have to be
specified.
-5.4 Use huge HTTP/2 windows
-
- We're currently using nghttp2's default window size which is terribly small
- (64K). This becomes a bottle neck over high bandwidth networks. We should
- instead make the window size to be very big (512MB?) as we really don't do
- much flow control anyway.
-
5.5 auth= in URLs
Add the ability to specify the preferred authentication mechanism to use by
diff --git a/lib/http2.c b/lib/http2.c
index 6720984b0..202ab1b5d 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -59,6 +59,8 @@
#define nghttp2_session_callbacks_set_error_callback(x,y)
#endif
+#define HTTP2_HUGE_WINDOW_SIZE (1 << 30)
+
/*
* Curl_http2_init_state() is called when the easy handle is created and
* allows for HTTP/2 specific init of state.
@@ -965,7 +967,7 @@ static ssize_t data_source_read_callback(nghttp2_session *session,
*/
static nghttp2_settings_entry settings[] = {
{ NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 100 },
- { NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, NGHTTP2_INITIAL_WINDOW_SIZE },
+ { NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, HTTP2_HUGE_WINDOW_SIZE },
};
#define H2_BUFSIZE 32768
@@ -2031,7 +2033,8 @@ CURLcode Curl_http2_switched(struct connectdata *conn,
else {
/* stream ID is unknown at this point */
stream->stream_id = -1;
- rv = nghttp2_submit_settings(httpc->h2, NGHTTP2_FLAG_NONE, NULL, 0);
+ rv = nghttp2_submit_settings(httpc->h2, NGHTTP2_FLAG_NONE, settings,
+ sizeof(settings) / sizeof(settings[0]));
if(rv != 0) {
failf(data, "nghttp2_submit_settings() failed: %s(%d)",
nghttp2_strerror(rv), rv);
@@ -2039,6 +2042,14 @@ CURLcode Curl_http2_switched(struct connectdata *conn,
}
}
+ rv = nghttp2_session_set_local_window_size(httpc->h2, NGHTTP2_FLAG_NONE, 0,
+ HTTP2_HUGE_WINDOW_SIZE);
+ if(rv != 0) {
+ failf(data, "nghttp2_session_set_local_window_size() failed: %s(%d)",
+ nghttp2_strerror(rv), rv);
+ return CURLE_HTTP2;
+ }
+
/* we are going to copy mem to httpc->inbuf. This is required since
mem is part of buffer pointed by stream->mem, and callbacks
called by nghttp2_session_mem_recv() will write stream specific