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libsoup3/310.patch

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From 0fae143dc8b0e668b7a35a9c1364009e7cf06d0f Mon Sep 17 00:00:00 2001
From: Carlos Garcia Campos <cgarcia@igalia.com>
Date: Wed, 21 Sep 2022 13:01:23 +0200
Subject: [PATCH] http2: return early from several callbacks after cancellation
Fixes #299
---
libsoup/http2/soup-client-message-io-http2.c | 51 ++++++++++++--------
1 file changed, 31 insertions(+), 20 deletions(-)
diff --git a/libsoup/http2/soup-client-message-io-http2.c b/libsoup/http2/soup-client-message-io-http2.c
index 86d3f3ae..fdeb6841 100644
--- a/libsoup/http2/soup-client-message-io-http2.c
+++ b/libsoup/http2/soup-client-message-io-http2.c
@@ -567,7 +567,7 @@ on_begin_frame_callback (nghttp2_session *session,
{
SoupHTTP2MessageData *data = nghttp2_session_get_stream_user_data (session, hd->stream_id);
- h2_debug (user_data, data, "[RECV] [%s] Beginning", soup_http2_frame_type_to_string (hd->type));
+ h2_debug (user_data, data, "[RECV] [%s] Beginning: stream_id=%u", soup_http2_frame_type_to_string (hd->type), hd->stream_id);
if (!data)
return 0;
@@ -637,7 +637,7 @@ on_frame_recv_callback (nghttp2_session *session,
io->in_callback++;
if (frame->hd.stream_id == 0) {
- h2_debug (io, NULL, "[RECV] [%s] Received (%u)", soup_http2_frame_type_to_string (frame->hd.type), frame->hd.flags);
+ h2_debug (io, NULL, "[RECV] [%s] Received: stream_id=%u, flags=%u", soup_http2_frame_type_to_string (frame->hd.type), frame->hd.stream_id, frame->hd.flags);
switch (frame->hd.type) {
case NGHTTP2_GOAWAY:
@@ -660,11 +660,10 @@ on_frame_recv_callback (nghttp2_session *session,
}
data = nghttp2_session_get_stream_user_data (session, frame->hd.stream_id);
- h2_debug (io, data, "[RECV] [%s] Received (%u)", soup_http2_frame_type_to_string (frame->hd.type), frame->hd.flags);
+ h2_debug (io, data, "[RECV] [%s] Received: stream_id=%u, flags=%u", soup_http2_frame_type_to_string (frame->hd.type), frame->hd.stream_id, frame->hd.flags);
if (!data) {
- if (!(frame->hd.flags & NGHTTP2_FLAG_END_STREAM) && frame->hd.type != NGHTTP2_RST_STREAM)
- g_warn_if_reached ();
+ /* This can happen in case of cancellation */
io->in_callback--;
return 0;
}
@@ -761,12 +760,14 @@ on_data_chunk_recv_callback (nghttp2_session *session,
SoupClientMessageIOHTTP2 *io = user_data;
SoupHTTP2MessageData *msgdata = nghttp2_session_get_stream_user_data (session, stream_id);
- if (!msgdata)
- return NGHTTP2_ERR_CALLBACK_FAILURE;
+ h2_debug (io, msgdata, "[DATA] Received chunk, stream_id=%u len=%zu, flags=%u, paused=%d", stream_id, len, flags, msgdata ? msgdata->paused : 0);
- io->in_callback++;
+ if (!msgdata) {
+ /* This can happen in case of cancellation */
+ return 0;
+ }
- h2_debug (io, msgdata, "[DATA] Received chunk, len=%zu, flags=%u, paused=%d", len, flags, msgdata->paused);
+ io->in_callback++;
g_assert (msgdata->body_istream != NULL);
soup_body_input_stream_http2_add_data (SOUP_BODY_INPUT_STREAM_HTTP2 (msgdata->body_istream), data, len);
@@ -830,11 +831,16 @@ on_frame_send_callback (nghttp2_session *session,
switch (frame->hd.type) {
case NGHTTP2_HEADERS:
- g_assert (data);
- h2_debug (io, data, "[SEND] [HEADERS] category=%s finished=%d",
- soup_http2_headers_category_to_string (frame->headers.cat),
+ h2_debug (io, data, "[SEND] [HEADERS] stream_id=%u, category=%s finished=%d",
+ frame->hd.stream_id, soup_http2_headers_category_to_string (frame->headers.cat),
(frame->hd.flags & NGHTTP2_FLAG_END_HEADERS) ? 1 : 0);
+ if (!data) {
+ /* This can happen in case of cancellation */
+ io->in_callback--;
+ return 0;
+ }
+
if (data->metrics)
data->metrics->request_header_bytes_sent += frame->hd.length + FRAME_HEADER_SIZE;
@@ -847,12 +853,17 @@ on_frame_send_callback (nghttp2_session *session,
}
break;
case NGHTTP2_DATA:
- g_assert (data);
+ if (!data) {
+ /* This can happen in case of cancellation */
+ io->in_callback--;
+ return 0;
+ }
+
if (data->state < STATE_WRITE_DATA)
advance_state_from (data, STATE_WRITE_HEADERS, STATE_WRITE_DATA);
- h2_debug (io, data, "[SEND] [DATA] bytes=%zu, finished=%d",
- frame->data.hd.length, frame->hd.flags & NGHTTP2_FLAG_END_STREAM);
+ h2_debug (io, data, "[SEND] [DATA] stream_id=%u, bytes=%zu, finished=%d",
+ frame->hd.stream_id, frame->data.hd.length, frame->hd.flags & NGHTTP2_FLAG_END_STREAM);
if (data->metrics) {
data->metrics->request_body_bytes_sent += frame->hd.length + FRAME_HEADER_SIZE;
data->metrics->request_body_size += frame->data.hd.length;
@@ -891,7 +902,7 @@ on_frame_send_callback (nghttp2_session *session,
}
break;
default:
- h2_debug (io, data, "[SEND] [%s]", soup_http2_frame_type_to_string (frame->hd.type));
+ h2_debug (io, data, "[SEND] [%s] stream_id=%u", soup_http2_frame_type_to_string (frame->hd.type), frame->hd.stream_id);
break;
}
@@ -932,8 +943,8 @@ on_frame_not_send_callback (nghttp2_session *session,
SoupClientMessageIOHTTP2 *io = user_data;
SoupHTTP2MessageData *data = nghttp2_session_get_stream_user_data (session, frame->hd.stream_id);
- h2_debug (io, data, "[SEND] [%s] Failed: %s", soup_http2_frame_type_to_string (frame->hd.type),
- nghttp2_strerror (lib_error_code));
+ h2_debug (io, data, "[SEND] [%s] Failed stream %u: %s", soup_http2_frame_type_to_string (frame->hd.type),
+ frame->hd.stream_id, nghttp2_strerror (lib_error_code));
if (lib_error_code == NGHTTP2_ERR_SESSION_CLOSING)
process_pending_closed_messages (io);
@@ -949,7 +960,7 @@ on_stream_close_callback (nghttp2_session *session,
{
SoupHTTP2MessageData *data = nghttp2_session_get_stream_user_data (session, stream_id);
- h2_debug (user_data, data, "[SESSION] Closed: %s", nghttp2_http2_strerror (error_code));
+ h2_debug (user_data, data, "[SESSION] Closed stream %u: %s", stream_id, nghttp2_http2_strerror (error_code));
if (!data)
return 0;
@@ -1392,7 +1403,7 @@ soup_client_message_io_http2_finished (SoupClientMessageIO *iface,
completion = data->state < STATE_READ_DONE ? SOUP_MESSAGE_IO_INTERRUPTED : SOUP_MESSAGE_IO_COMPLETE;
- h2_debug (io, data, "Finished: %s", completion == SOUP_MESSAGE_IO_COMPLETE ? "completed" : "interrupted");
+ h2_debug (io, data, "Finished stream %u: %s", data->stream_id, completion == SOUP_MESSAGE_IO_COMPLETE ? "completed" : "interrupted");
completion_cb = data->completion_cb;
completion_data = data->completion_data;
--
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