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