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MINOR: quic: use connection socket for emission
If quic-conn has a dedicated socket, use it for sending over the listener socket. This should improve performance by reducing contention over the shared listener socket. This change is part of quic-conn owned socket implementation. It may be backported to 2.7 after a period of observation.
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@ -495,9 +495,16 @@ int qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t sz,
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ssize_t ret;
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do {
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ret = sendto(qc->li->rx.fd, b_peek(buf, b_head_ofs(buf)), sz,
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MSG_DONTWAIT | MSG_NOSIGNAL,
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(struct sockaddr *)&qc->peer_addr, get_addr_len(&qc->peer_addr));
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if (qc_test_fd(qc)) {
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ret = send(qc->fd, b_peek(buf, b_head_ofs(buf)), sz,
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MSG_DONTWAIT | MSG_NOSIGNAL);
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}
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else {
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ret = sendto(qc->li->rx.fd, b_peek(buf, b_head_ofs(buf)), sz,
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MSG_DONTWAIT|MSG_NOSIGNAL,
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(struct sockaddr *)&qc->peer_addr,
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get_addr_len(&qc->peer_addr));
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}
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} while (ret < 0 && errno == EINTR);
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if (ret < 0 || ret != sz) {
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@ -515,7 +522,9 @@ int qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t sz,
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HA_ATOMIC_INC(&prx_counters->sendto_err);
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}
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else if (errno) {
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/* TODO unlisted errno : handle it explicitly. */
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/* TODO unlisted errno : handle it explicitly.
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* ECONNRESET may be encounter on quic-conn socket.
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*/
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HA_ATOMIC_INC(&prx_counters->sendto_err_unknown);
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}
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