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Change priority increasing scheme

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This commit is contained in:
Tatsuhiro Tsujikawa
2013-07-20 01:58:44 +09:00
parent c85220e6e3
commit 8b3a3efadc
2 changed files with 17 additions and 8 deletions
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14
lib/nghttp2_session.c
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@@ -388,6 +388,7 @@ int nghttp2_session_add_frame(nghttp2_session *session,
return r;
}
item->inipri = item->pri;
item->pridecay = 1;
return 0;
}
@@ -979,12 +980,19 @@ nghttp2_outbound_item* nghttp2_session_pop_next_ob_item
static void nghttp2_outbound_item_adjust_pri(nghttp2_session *session,
nghttp2_outbound_item *item)
{
assert(item->pri > 0);
if(item->pri == NGHTTP2_PRI_LOWEST) {
item->pri = item->inipri;
} else if(item->pri > (int32_t)NGHTTP2_PRI_LOWEST/2) {
nghttp2_stream *stream;
stream = nghttp2_session_get_stream
(session, nghttp2_outbound_item_get_data_frame(item)->hd.stream_id);
assert(stream);
item->pri = item->inipri = stream->pri;
item->pridecay = 1;
} else if(item->pri + item->pridecay > NGHTTP2_PRI_LOWEST) {
item->pri = NGHTTP2_PRI_LOWEST;
} else {
item->pri *= 2;
item->pri = item->inipri + item->pridecay;
item->pridecay *= 2;
}
}