MINOR: quic: Export QUIC CLI code from quic_conn.c

To accelerate the compilation of quic_conn.c file, export the code in relation
with the QUIC CLI from quic_conn.c to quic_cli.c.
This commit is contained in:
Frédéric Lécaille 2023-07-24 11:51:02 +02:00
parent 6334f4f6c5
commit 953e67abb6
4 changed files with 421 additions and 395 deletions

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@ -608,7 +608,7 @@ OPTIONS_OBJS += src/quic_conn.o src/mux_quic.o src/h3.o src/xprt_quic.o \
src/qpack-dec.o src/hq_interop.o src/quic_stream.o \
src/h3_stats.o src/qmux_http.o src/cfgparse-quic.o \
src/cbuf.o src/quic_cc.o src/quic_cc_nocc.o \
src/quic_trace.o
src/quic_trace.o src/quic_cli.o
endif
ifneq ($(USE_QUIC_OPENSSL_COMPAT),)

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@ -0,0 +1,18 @@
/*
* include/haproxy/quic_trace-t.h
* Definitions for QUIC CLI internal types, constants and flags.
*
* Copyright (C) 2023
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#ifndef _HAPROXY_QUIC_CLI_T_H
#define _HAPROXY_QUIC_CLI_T_H
extern unsigned int qc_epoch;
#endif /* _HAPROXY_QUIC_CLI_T_H */

401
src/quic_cli.c Normal file
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@ -0,0 +1,401 @@
#include <import/eb64tree.h>
#include <haproxy/applet-t.h>
#include <haproxy/cli.h>
#include <haproxy/list.h>
#include <haproxy/tools.h>
#include <haproxy/quic_conn-t.h>
#include <haproxy/quic_tp.h>
/* incremented by each "show quic". */
unsigned int qc_epoch = 0;
enum quic_dump_format {
QUIC_DUMP_FMT_ONELINE,
QUIC_DUMP_FMT_FULL,
};
/* appctx context used by "show quic" command */
struct show_quic_ctx {
unsigned int epoch;
struct bref bref; /* back-reference to the quic-conn being dumped */
unsigned int thr;
int flags;
enum quic_dump_format format;
};
#define QC_CLI_FL_SHOW_ALL 0x1 /* show closing/draining connections */
static int cli_parse_show_quic(char **args, char *payload, struct appctx *appctx, void *private)
{
struct show_quic_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
int argc = 2;
if (!cli_has_level(appctx, ACCESS_LVL_OPER))
return 1;
ctx->epoch = _HA_ATOMIC_FETCH_ADD(&qc_epoch, 1);
ctx->thr = 0;
ctx->flags = 0;
ctx->format = QUIC_DUMP_FMT_ONELINE;
if (strcmp(args[argc], "oneline") == 0) {
/* format already used as default value */
++argc;
}
else if (strcmp(args[argc], "full") == 0) {
ctx->format = QUIC_DUMP_FMT_FULL;
++argc;
}
while (*args[argc]) {
if (strcmp(args[argc], "all") == 0)
ctx->flags |= QC_CLI_FL_SHOW_ALL;
++argc;
}
LIST_INIT(&ctx->bref.users);
return 0;
}
/* Dump for "show quic" with "oneline" format. */
static void dump_quic_oneline(struct show_quic_ctx *ctx, struct quic_conn *qc)
{
char bufaddr[INET6_ADDRSTRLEN], bufport[6];
int ret;
unsigned char cid_len;
ret = chunk_appendf(&trash, "%p[%02u]/%-.12s ", qc, ctx->thr,
qc->li->bind_conf->frontend->id);
chunk_appendf(&trash, "%*s", 36 - ret, " "); /* align output */
/* State */
if (qc->flags & QUIC_FL_CONN_CLOSING)
chunk_appendf(&trash, "CLOSE ");
else if (qc->flags & QUIC_FL_CONN_DRAINING)
chunk_appendf(&trash, "DRAIN ");
else if (qc->state < QUIC_HS_ST_COMPLETE)
chunk_appendf(&trash, "HDSHK ");
else
chunk_appendf(&trash, "ESTAB ");
/* Bytes in flight / Lost packets */
chunk_appendf(&trash, "%9llu %6llu %6llu ",
(ullong)qc->path->in_flight,
(ullong)qc->path->ifae_pkts,
(ullong)qc->path->loss.nb_lost_pkt);
/* Socket */
if (qc->local_addr.ss_family == AF_INET ||
qc->local_addr.ss_family == AF_INET6) {
addr_to_str(&qc->local_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->local_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, "%15s:%-5s ", bufaddr, bufport);
addr_to_str(&qc->peer_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->peer_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, "%15s:%-5s ", bufaddr, bufport);
}
/* CIDs */
for (cid_len = 0; cid_len < qc->scid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->scid.data[cid_len]);
chunk_appendf(&trash, " ");
for (cid_len = 0; cid_len < qc->dcid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->dcid.data[cid_len]);
chunk_appendf(&trash, "\n");
}
/* Dump for "show quic" with "full" format. */
static void dump_quic_full(struct show_quic_ctx *ctx, struct quic_conn *qc)
{
struct quic_pktns *pktns;
struct eb64_node *node;
struct qc_stream_desc *stream;
char bufaddr[INET6_ADDRSTRLEN], bufport[6];
int expire, i, addnl;
unsigned char cid_len;
addnl = 0;
/* CIDs */
chunk_appendf(&trash, "* %p[%02u]: scid=", qc, ctx->thr);
for (cid_len = 0; cid_len < qc->scid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->scid.data[cid_len]);
while (cid_len++ < 20)
chunk_appendf(&trash, "..");
chunk_appendf(&trash, " dcid=");
for (cid_len = 0; cid_len < qc->dcid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->dcid.data[cid_len]);
while (cid_len++ < 20)
chunk_appendf(&trash, "..");
chunk_appendf(&trash, "\n");
chunk_appendf(&trash, " loc. TPs:");
quic_transport_params_dump(&trash, qc, &qc->rx.params);
chunk_appendf(&trash, "\n");
chunk_appendf(&trash, " rem. TPs:");
quic_transport_params_dump(&trash, qc, &qc->tx.params);
chunk_appendf(&trash, "\n");
/* Connection state */
if (qc->flags & QUIC_FL_CONN_CLOSING)
chunk_appendf(&trash, " st=closing ");
else if (qc->flags & QUIC_FL_CONN_DRAINING)
chunk_appendf(&trash, " st=draining ");
else if (qc->state < QUIC_HS_ST_CONFIRMED)
chunk_appendf(&trash, " st=handshake ");
else
chunk_appendf(&trash, " st=opened ");
if (qc->mux_state == QC_MUX_NULL)
chunk_appendf(&trash, "mux=null ");
else if (qc->mux_state == QC_MUX_READY)
chunk_appendf(&trash, "mux=ready ");
else
chunk_appendf(&trash, "mux=released ");
expire = qc->idle_expire;
chunk_appendf(&trash, "expire=%02ds ",
TICKS_TO_MS(tick_remain(now_ms, expire)) / 1000);
chunk_appendf(&trash, "\n");
/* Socket */
chunk_appendf(&trash, " fd=%d", qc->fd);
if (qc->local_addr.ss_family == AF_INET ||
qc->local_addr.ss_family == AF_INET6) {
addr_to_str(&qc->local_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->local_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, " local_addr=%s:%s", bufaddr, bufport);
addr_to_str(&qc->peer_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->peer_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, " foreign_addr=%s:%s", bufaddr, bufport);
}
chunk_appendf(&trash, "\n");
/* Packet number spaces information */
pktns = qc->ipktns;
if (pktns) {
chunk_appendf(&trash, " [initl] rx.ackrng=%-6zu tx.inflight=%-6zu",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
pktns = qc->hpktns;
if (pktns) {
chunk_appendf(&trash, " [hndshk] rx.ackrng=%-6zu tx.inflight=%-6zu\n",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
pktns = qc->apktns;
if (pktns) {
chunk_appendf(&trash, " [01rtt] rx.ackrng=%-6zu tx.inflight=%-6zu\n",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
chunk_appendf(&trash, " srtt=%-4u rttvar=%-4u rttmin=%-4u ptoc=%-4u cwnd=%-6llu"
" mcwnd=%-6llu sentpkts=%-6llu lostpkts=%-6llu\n",
qc->path->loss.srtt >> 3, qc->path->loss.rtt_var >> 2,
qc->path->loss.rtt_min, qc->path->loss.pto_count, (ullong)qc->path->cwnd,
(ullong)qc->path->mcwnd, (ullong)qc->cntrs.sent_pkt, (ullong)qc->path->loss.nb_lost_pkt);
if (qc->cntrs.dropped_pkt) {
chunk_appendf(&trash, " droppkts=%-6llu", qc->cntrs.dropped_pkt);
addnl = 1;
}
if (qc->cntrs.dropped_pkt_bufoverrun) {
chunk_appendf(&trash, " dropbuff=%-6llu", qc->cntrs.dropped_pkt_bufoverrun);
addnl = 1;
}
if (qc->cntrs.dropped_parsing) {
chunk_appendf(&trash, " droppars=%-6llu", qc->cntrs.dropped_parsing);
addnl = 1;
}
if (qc->cntrs.socket_full) {
chunk_appendf(&trash, " sockfull=%-6llu", qc->cntrs.socket_full);
addnl = 1;
}
if (qc->cntrs.sendto_err) {
chunk_appendf(&trash, " sendtoerr=%-6llu", qc->cntrs.sendto_err);
addnl = 1;
}
if (qc->cntrs.sendto_err_unknown) {
chunk_appendf(&trash, " sendtounknerr=%-6llu", qc->cntrs.sendto_err);
addnl = 1;
}
if (qc->cntrs.conn_migration_done) {
chunk_appendf(&trash, " migrdone=%-6llu", qc->cntrs.conn_migration_done);
addnl = 1;
}
if (qc->cntrs.data_blocked) {
chunk_appendf(&trash, " datablocked=%-6llu", qc->cntrs.data_blocked);
addnl = 1;
}
if (qc->cntrs.stream_data_blocked) {
chunk_appendf(&trash, " sdatablocked=%-6llu", qc->cntrs.stream_data_blocked);
addnl = 1;
}
if (qc->cntrs.streams_blocked_bidi) {
chunk_appendf(&trash, " sblockebidi=%-6llu", qc->cntrs.streams_blocked_bidi);
addnl = 1;
}
if (qc->cntrs.streams_blocked_uni) {
chunk_appendf(&trash, " sblockeduni=%-6llu", qc->cntrs.streams_blocked_uni);
addnl = 1;
}
if (addnl)
chunk_appendf(&trash, "\n");
/* Streams */
node = eb64_first(&qc->streams_by_id);
i = 0;
while (node) {
stream = eb64_entry(node, struct qc_stream_desc, by_id);
node = eb64_next(node);
chunk_appendf(&trash, " | stream=%-8llu", (unsigned long long)stream->by_id.key);
chunk_appendf(&trash, " off=%-8llu ack=%-8llu",
(unsigned long long)stream->buf_offset,
(unsigned long long)stream->ack_offset);
if (!(++i % 3)) {
chunk_appendf(&trash, "\n");
i = 0;
}
}
chunk_appendf(&trash, "\n");
}
static int cli_io_handler_dump_quic(struct appctx *appctx)
{
struct show_quic_ctx *ctx = appctx->svcctx;
struct stconn *sc = appctx_sc(appctx);
struct quic_conn *qc;
thread_isolate();
if (ctx->thr >= global.nbthread)
goto done;
/* FIXME: Don't watch the other side !*/
if (unlikely(sc_opposite(sc)->flags & SC_FL_SHUT_DONE)) {
/* If we're forced to shut down, we might have to remove our
* reference to the last stream being dumped.
*/
if (!LIST_ISEMPTY(&ctx->bref.users))
LIST_DEL_INIT(&ctx->bref.users);
goto done;
}
chunk_reset(&trash);
if (!LIST_ISEMPTY(&ctx->bref.users)) {
/* Remove show_quic_ctx from previous quic_conn instance. */
LIST_DEL_INIT(&ctx->bref.users);
}
else if (!ctx->bref.ref) {
/* First invocation. */
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns.n;
/* Print legend for oneline format. */
if (ctx->format == QUIC_DUMP_FMT_ONELINE) {
chunk_appendf(&trash, "# conn/frontend state "
"in_flight infl_p lost_p "
"Local Address Foreign Address "
"local & remote CIDs\n");
applet_putchk(appctx, &trash);
}
}
while (1) {
int done = 0;
if (ctx->bref.ref == &ha_thread_ctx[ctx->thr].quic_conns) {
/* If closing connections requested through "all", move
* to quic_conns_clo list after browsing quic_conns.
* Else move directly to the next quic_conns thread.
*/
if (ctx->flags & QC_CLI_FL_SHOW_ALL) {
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns_clo.n;
continue;
}
done = 1;
}
else if (ctx->bref.ref == &ha_thread_ctx[ctx->thr].quic_conns_clo) {
/* Closing list entirely browsed, go to next quic_conns
* thread.
*/
done = 1;
}
else {
/* Retrieve next element of the current list. */
qc = LIST_ELEM(ctx->bref.ref, struct quic_conn *, el_th_ctx);
if ((int)(qc->qc_epoch - ctx->epoch) > 0)
done = 1;
}
if (done) {
++ctx->thr;
if (ctx->thr >= global.nbthread)
break;
/* Switch to next thread quic_conns list. */
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns.n;
continue;
}
switch (ctx->format) {
case QUIC_DUMP_FMT_FULL:
dump_quic_full(ctx, qc);
break;
case QUIC_DUMP_FMT_ONELINE:
dump_quic_oneline(ctx, qc);
break;
}
if (applet_putchk(appctx, &trash) == -1) {
/* Register show_quic_ctx to quic_conn instance. */
LIST_APPEND(&qc->back_refs, &ctx->bref.users);
goto full;
}
ctx->bref.ref = qc->el_th_ctx.n;
}
done:
thread_release();
return 1;
full:
thread_release();
return 0;
}
static void cli_release_show_quic(struct appctx *appctx)
{
struct show_quic_ctx *ctx = appctx->svcctx;
if (ctx->thr < global.nbthread) {
thread_isolate();
if (!LIST_ISEMPTY(&ctx->bref.users))
LIST_DEL_INIT(&ctx->bref.users);
thread_release();
}
}
static struct cli_kw_list cli_kws = {{ }, {
{ { "show", "quic", NULL }, "show quic [oneline|full] [all] : display quic connections status", cli_parse_show_quic, cli_io_handler_dump_quic, cli_release_show_quic },
{{},}
}};
INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);

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@ -34,8 +34,6 @@
#include <haproxy/ticks.h>
#include <haproxy/xxhash.h>
#include <haproxy/applet-t.h>
#include <haproxy/cli.h>
#include <haproxy/connection.h>
#include <haproxy/fd.h>
#include <haproxy/freq_ctr.h>
@ -48,6 +46,7 @@
#include <haproxy/pipe.h>
#include <haproxy/proxy.h>
#include <haproxy/quic_cc.h>
#include <haproxy/quic_cli-t.h>
#include <haproxy/quic_frame.h>
#include <haproxy/quic_enc.h>
#include <haproxy/quic_loss.h>
@ -64,9 +63,6 @@
#include <haproxy/thread.h>
#include <haproxy/trace.h>
/* incremented by each "show quic". */
static unsigned int qc_epoch = 0;
/* list of supported QUIC versions by this implementation */
const struct quic_version quic_versions[] = {
{
@ -8013,395 +8009,6 @@ void qc_finalize_affinity_rebind(struct quic_conn *qc)
TRACE_LEAVE(QUIC_EV_CONN_SET_AFFINITY, qc);
}
enum quic_dump_format {
QUIC_DUMP_FMT_ONELINE,
QUIC_DUMP_FMT_FULL,
};
/* appctx context used by "show quic" command */
struct show_quic_ctx {
unsigned int epoch;
struct bref bref; /* back-reference to the quic-conn being dumped */
unsigned int thr;
int flags;
enum quic_dump_format format;
};
#define QC_CLI_FL_SHOW_ALL 0x1 /* show closing/draining connections */
static int cli_parse_show_quic(char **args, char *payload, struct appctx *appctx, void *private)
{
struct show_quic_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
int argc = 2;
if (!cli_has_level(appctx, ACCESS_LVL_OPER))
return 1;
ctx->epoch = _HA_ATOMIC_FETCH_ADD(&qc_epoch, 1);
ctx->thr = 0;
ctx->flags = 0;
ctx->format = QUIC_DUMP_FMT_ONELINE;
if (strcmp(args[argc], "oneline") == 0) {
/* format already used as default value */
++argc;
}
else if (strcmp(args[argc], "full") == 0) {
ctx->format = QUIC_DUMP_FMT_FULL;
++argc;
}
while (*args[argc]) {
if (strcmp(args[argc], "all") == 0)
ctx->flags |= QC_CLI_FL_SHOW_ALL;
++argc;
}
LIST_INIT(&ctx->bref.users);
return 0;
}
/* Dump for "show quic" with "oneline" format. */
static void dump_quic_oneline(struct show_quic_ctx *ctx, struct quic_conn *qc)
{
char bufaddr[INET6_ADDRSTRLEN], bufport[6];
int ret;
unsigned char cid_len;
ret = chunk_appendf(&trash, "%p[%02u]/%-.12s ", qc, ctx->thr,
qc->li->bind_conf->frontend->id);
chunk_appendf(&trash, "%*s", 36 - ret, " "); /* align output */
/* State */
if (qc->flags & QUIC_FL_CONN_CLOSING)
chunk_appendf(&trash, "CLOSE ");
else if (qc->flags & QUIC_FL_CONN_DRAINING)
chunk_appendf(&trash, "DRAIN ");
else if (qc->state < QUIC_HS_ST_COMPLETE)
chunk_appendf(&trash, "HDSHK ");
else
chunk_appendf(&trash, "ESTAB ");
/* Bytes in flight / Lost packets */
chunk_appendf(&trash, "%9llu %6llu %6llu ",
(ullong)qc->path->in_flight,
(ullong)qc->path->ifae_pkts,
(ullong)qc->path->loss.nb_lost_pkt);
/* Socket */
if (qc->local_addr.ss_family == AF_INET ||
qc->local_addr.ss_family == AF_INET6) {
addr_to_str(&qc->local_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->local_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, "%15s:%-5s ", bufaddr, bufport);
addr_to_str(&qc->peer_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->peer_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, "%15s:%-5s ", bufaddr, bufport);
}
/* CIDs */
for (cid_len = 0; cid_len < qc->scid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->scid.data[cid_len]);
chunk_appendf(&trash, " ");
for (cid_len = 0; cid_len < qc->dcid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->dcid.data[cid_len]);
chunk_appendf(&trash, "\n");
}
/* Dump for "show quic" with "full" format. */
static void dump_quic_full(struct show_quic_ctx *ctx, struct quic_conn *qc)
{
struct quic_pktns *pktns;
struct eb64_node *node;
struct qc_stream_desc *stream;
char bufaddr[INET6_ADDRSTRLEN], bufport[6];
int expire, i, addnl;
unsigned char cid_len;
addnl = 0;
/* CIDs */
chunk_appendf(&trash, "* %p[%02u]: scid=", qc, ctx->thr);
for (cid_len = 0; cid_len < qc->scid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->scid.data[cid_len]);
while (cid_len++ < 20)
chunk_appendf(&trash, "..");
chunk_appendf(&trash, " dcid=");
for (cid_len = 0; cid_len < qc->dcid.len; ++cid_len)
chunk_appendf(&trash, "%02x", qc->dcid.data[cid_len]);
while (cid_len++ < 20)
chunk_appendf(&trash, "..");
chunk_appendf(&trash, "\n");
chunk_appendf(&trash, " loc. TPs:");
quic_transport_params_dump(&trash, qc, &qc->rx.params);
chunk_appendf(&trash, "\n");
chunk_appendf(&trash, " rem. TPs:");
quic_transport_params_dump(&trash, qc, &qc->tx.params);
chunk_appendf(&trash, "\n");
/* Connection state */
if (qc->flags & QUIC_FL_CONN_CLOSING)
chunk_appendf(&trash, " st=closing ");
else if (qc->flags & QUIC_FL_CONN_DRAINING)
chunk_appendf(&trash, " st=draining ");
else if (qc->state < QUIC_HS_ST_CONFIRMED)
chunk_appendf(&trash, " st=handshake ");
else
chunk_appendf(&trash, " st=opened ");
if (qc->mux_state == QC_MUX_NULL)
chunk_appendf(&trash, "mux=null ");
else if (qc->mux_state == QC_MUX_READY)
chunk_appendf(&trash, "mux=ready ");
else
chunk_appendf(&trash, "mux=released ");
expire = qc->idle_expire;
chunk_appendf(&trash, "expire=%02ds ",
TICKS_TO_MS(tick_remain(now_ms, expire)) / 1000);
chunk_appendf(&trash, "\n");
/* Socket */
chunk_appendf(&trash, " fd=%d", qc->fd);
if (qc->local_addr.ss_family == AF_INET ||
qc->local_addr.ss_family == AF_INET6) {
addr_to_str(&qc->local_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->local_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, " local_addr=%s:%s", bufaddr, bufport);
addr_to_str(&qc->peer_addr, bufaddr, sizeof(bufaddr));
port_to_str(&qc->peer_addr, bufport, sizeof(bufport));
chunk_appendf(&trash, " foreign_addr=%s:%s", bufaddr, bufport);
}
chunk_appendf(&trash, "\n");
/* Packet number spaces information */
pktns = qc->ipktns;
if (pktns) {
chunk_appendf(&trash, " [initl] rx.ackrng=%-6zu tx.inflight=%-6zu",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
pktns = qc->hpktns;
if (pktns) {
chunk_appendf(&trash, " [hndshk] rx.ackrng=%-6zu tx.inflight=%-6zu\n",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
pktns = qc->apktns;
if (pktns) {
chunk_appendf(&trash, " [01rtt] rx.ackrng=%-6zu tx.inflight=%-6zu\n",
pktns->rx.arngs.sz, pktns->tx.in_flight);
}
chunk_appendf(&trash, " srtt=%-4u rttvar=%-4u rttmin=%-4u ptoc=%-4u cwnd=%-6llu"
" mcwnd=%-6llu sentpkts=%-6llu lostpkts=%-6llu\n",
qc->path->loss.srtt >> 3, qc->path->loss.rtt_var >> 2,
qc->path->loss.rtt_min, qc->path->loss.pto_count, (ullong)qc->path->cwnd,
(ullong)qc->path->mcwnd, (ullong)qc->cntrs.sent_pkt, (ullong)qc->path->loss.nb_lost_pkt);
if (qc->cntrs.dropped_pkt) {
chunk_appendf(&trash, " droppkts=%-6llu", qc->cntrs.dropped_pkt);
addnl = 1;
}
if (qc->cntrs.dropped_pkt_bufoverrun) {
chunk_appendf(&trash, " dropbuff=%-6llu", qc->cntrs.dropped_pkt_bufoverrun);
addnl = 1;
}
if (qc->cntrs.dropped_parsing) {
chunk_appendf(&trash, " droppars=%-6llu", qc->cntrs.dropped_parsing);
addnl = 1;
}
if (qc->cntrs.socket_full) {
chunk_appendf(&trash, " sockfull=%-6llu", qc->cntrs.socket_full);
addnl = 1;
}
if (qc->cntrs.sendto_err) {
chunk_appendf(&trash, " sendtoerr=%-6llu", qc->cntrs.sendto_err);
addnl = 1;
}
if (qc->cntrs.sendto_err_unknown) {
chunk_appendf(&trash, " sendtounknerr=%-6llu", qc->cntrs.sendto_err);
addnl = 1;
}
if (qc->cntrs.conn_migration_done) {
chunk_appendf(&trash, " migrdone=%-6llu", qc->cntrs.conn_migration_done);
addnl = 1;
}
if (qc->cntrs.data_blocked) {
chunk_appendf(&trash, " datablocked=%-6llu", qc->cntrs.data_blocked);
addnl = 1;
}
if (qc->cntrs.stream_data_blocked) {
chunk_appendf(&trash, " sdatablocked=%-6llu", qc->cntrs.stream_data_blocked);
addnl = 1;
}
if (qc->cntrs.streams_blocked_bidi) {
chunk_appendf(&trash, " sblockebidi=%-6llu", qc->cntrs.streams_blocked_bidi);
addnl = 1;
}
if (qc->cntrs.streams_blocked_uni) {
chunk_appendf(&trash, " sblockeduni=%-6llu", qc->cntrs.streams_blocked_uni);
addnl = 1;
}
if (addnl)
chunk_appendf(&trash, "\n");
/* Streams */
node = eb64_first(&qc->streams_by_id);
i = 0;
while (node) {
stream = eb64_entry(node, struct qc_stream_desc, by_id);
node = eb64_next(node);
chunk_appendf(&trash, " | stream=%-8llu", (unsigned long long)stream->by_id.key);
chunk_appendf(&trash, " off=%-8llu ack=%-8llu",
(unsigned long long)stream->buf_offset,
(unsigned long long)stream->ack_offset);
if (!(++i % 3)) {
chunk_appendf(&trash, "\n");
i = 0;
}
}
chunk_appendf(&trash, "\n");
}
static int cli_io_handler_dump_quic(struct appctx *appctx)
{
struct show_quic_ctx *ctx = appctx->svcctx;
struct stconn *sc = appctx_sc(appctx);
struct quic_conn *qc;
thread_isolate();
if (ctx->thr >= global.nbthread)
goto done;
/* FIXME: Don't watch the other side !*/
if (unlikely(sc_opposite(sc)->flags & SC_FL_SHUT_DONE)) {
/* If we're forced to shut down, we might have to remove our
* reference to the last stream being dumped.
*/
if (!LIST_ISEMPTY(&ctx->bref.users))
LIST_DEL_INIT(&ctx->bref.users);
goto done;
}
chunk_reset(&trash);
if (!LIST_ISEMPTY(&ctx->bref.users)) {
/* Remove show_quic_ctx from previous quic_conn instance. */
LIST_DEL_INIT(&ctx->bref.users);
}
else if (!ctx->bref.ref) {
/* First invocation. */
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns.n;
/* Print legend for oneline format. */
if (ctx->format == QUIC_DUMP_FMT_ONELINE) {
chunk_appendf(&trash, "# conn/frontend state "
"in_flight infl_p lost_p "
"Local Address Foreign Address "
"local & remote CIDs\n");
applet_putchk(appctx, &trash);
}
}
while (1) {
int done = 0;
if (ctx->bref.ref == &ha_thread_ctx[ctx->thr].quic_conns) {
/* If closing connections requested through "all", move
* to quic_conns_clo list after browsing quic_conns.
* Else move directly to the next quic_conns thread.
*/
if (ctx->flags & QC_CLI_FL_SHOW_ALL) {
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns_clo.n;
continue;
}
done = 1;
}
else if (ctx->bref.ref == &ha_thread_ctx[ctx->thr].quic_conns_clo) {
/* Closing list entirely browsed, go to next quic_conns
* thread.
*/
done = 1;
}
else {
/* Retrieve next element of the current list. */
qc = LIST_ELEM(ctx->bref.ref, struct quic_conn *, el_th_ctx);
if ((int)(qc->qc_epoch - ctx->epoch) > 0)
done = 1;
}
if (done) {
++ctx->thr;
if (ctx->thr >= global.nbthread)
break;
/* Switch to next thread quic_conns list. */
ctx->bref.ref = ha_thread_ctx[ctx->thr].quic_conns.n;
continue;
}
switch (ctx->format) {
case QUIC_DUMP_FMT_FULL:
dump_quic_full(ctx, qc);
break;
case QUIC_DUMP_FMT_ONELINE:
dump_quic_oneline(ctx, qc);
break;
}
if (applet_putchk(appctx, &trash) == -1) {
/* Register show_quic_ctx to quic_conn instance. */
LIST_APPEND(&qc->back_refs, &ctx->bref.users);
goto full;
}
ctx->bref.ref = qc->el_th_ctx.n;
}
done:
thread_release();
return 1;
full:
thread_release();
return 0;
}
static void cli_release_show_quic(struct appctx *appctx)
{
struct show_quic_ctx *ctx = appctx->svcctx;
if (ctx->thr < global.nbthread) {
thread_isolate();
if (!LIST_ISEMPTY(&ctx->bref.users))
LIST_DEL_INIT(&ctx->bref.users);
thread_release();
}
}
static struct cli_kw_list cli_kws = {{ }, {
{ { "show", "quic", NULL }, "show quic [oneline|full] [all] : display quic connections status", cli_parse_show_quic, cli_io_handler_dump_quic, cli_release_show_quic },
{{},}
}};
INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
static void init_quic()
{
int thr;