ngtcp2: Fix HTTP/3 upload stall and avoid busy loop #8688
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This commit fixes HTTP/3 upload stall if upload data is larger than H3_SEND_SIZE. Only check writability of socket if a stream is writable to avoid busy loop when QUIC flow control window is filled up, or upload buffer is full.
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This commit fixes HTTP/3 upload stall if upload data is larger than
H3_SEND_SIZE. Only check writability of socket if a stream is
writable to avoid busy loop when QUIC flow control window is filled
up, or upload buffer is full.