115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
#include <haproxy/qmux_trace.h>
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#include <import/ist.h>
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#include <haproxy/api.h>
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#include <haproxy/connection.h>
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#include <haproxy/chunk.h>
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#include <haproxy/mux_quic.h>
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#include <haproxy/quic_frame-t.h>
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/* trace source and events */
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static void qmux_trace(enum trace_level level, uint64_t mask,
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const struct trace_source *src,
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const struct ist where, const struct ist func,
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const void *a1, const void *a2, const void *a3, const void *a4);
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static const struct name_desc qmux_trace_lockon_args[4] = {
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/* arg1 */ { /* already used by the connection */ },
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/* arg2 */ { .name="qcs", .desc="QUIC stream" },
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/* arg3 */ { },
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/* arg4 */ { }
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};
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static const struct name_desc qmux_trace_decoding[] = {
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#define QMUX_VERB_CLEAN 1
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{ .name="clean", .desc="only user-friendly stuff, generally suitable for level \"user\"" },
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#define QMUX_VERB_MINIMAL 2
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{ .name="minimal", .desc="report only qcc/qcs state and flags, no real decoding" },
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{ /* end */ }
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};
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struct trace_source trace_qmux = {
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.name = IST("qmux"),
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.desc = "QUIC multiplexer",
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.arg_def = TRC_ARG1_CONN, /* TRACE()'s first argument is always a connection */
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.default_cb = qmux_trace,
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.known_events = qmux_trace_events,
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.lockon_args = qmux_trace_lockon_args,
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.decoding = qmux_trace_decoding,
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.report_events = ~0, /* report everything by default */
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};
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static void qmux_trace_frm(const struct quic_frame *frm)
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{
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switch (frm->type) {
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case QUIC_FT_MAX_STREAMS_BIDI:
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chunk_appendf(&trace_buf, " max_streams=%llu",
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(ullong)frm->max_streams_bidi.max_streams);
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break;
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case QUIC_FT_MAX_STREAMS_UNI:
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chunk_appendf(&trace_buf, " max_streams=%llu",
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(ullong)frm->max_streams_uni.max_streams);
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break;
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default:
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break;
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}
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}
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/* quic-mux trace handler */
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static void qmux_trace(enum trace_level level, uint64_t mask,
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const struct trace_source *src,
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const struct ist where, const struct ist func,
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const void *a1, const void *a2, const void *a3, const void *a4)
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{
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const struct connection *conn = a1;
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const struct qcc *qcc = conn ? conn->ctx : NULL;
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const struct qcs *qcs = a2;
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if (!qcc)
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return;
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if (src->verbosity > QMUX_VERB_CLEAN) {
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chunk_appendf(&trace_buf, " : qcc=%p(F)", qcc);
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if (qcc->conn->handle.qc)
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chunk_appendf(&trace_buf, " qc=%p", qcc->conn->handle.qc);
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chunk_appendf(&trace_buf, " md=%llu/%llu/%llu",
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(ullong)qcc->rfctl.md, (ullong)qcc->tx.offsets, (ullong)qcc->tx.sent_offsets);
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if (qcs) {
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chunk_appendf(&trace_buf, " qcs=%p .id=%llu .st=%s",
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qcs, (ullong)qcs->id,
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qcs_st_to_str(qcs->st));
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chunk_appendf(&trace_buf, " msd=%llu/%llu/%llu",
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(ullong)qcs->tx.msd, (ullong)qcs->tx.offset, (ullong)qcs->tx.sent_offset);
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}
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if (mask & QMUX_EV_QCC_NQCS) {
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const uint64_t *id = a3;
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chunk_appendf(&trace_buf, " id=%llu", (ullong)*id);
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}
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if (mask & QMUX_EV_SEND_FRM)
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qmux_trace_frm(a3);
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if (mask & QMUX_EV_QCS_XFER_DATA) {
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const struct qcs_xfer_data_trace_arg *arg = a3;
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chunk_appendf(&trace_buf, " prep=%lu xfer=%d",
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(ulong)arg->prep, arg->xfer);
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}
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if (mask & QMUX_EV_QCS_BUILD_STRM) {
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const struct qcs_build_stream_trace_arg *arg = a3;
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chunk_appendf(&trace_buf, " len=%lu fin=%d offset=%llu",
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(ulong)arg->len, arg->fin, (ullong)arg->offset);
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}
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}
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}
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/* register qmux traces */
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INITCALL1(STG_REGISTER, trace_register_source, TRACE_SOURCE);
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