varnish-cache/bin/varnishd/http2/cache_http2_panic.c
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/*-
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 * Copyright (c) 2016 Varnish Software AS
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 * All rights reserved.
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 *
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 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 */
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#include "config.h"
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#include "cache/cache_varnishd.h"
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#include "cache/cache_transport.h"
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#include "http2/cache_http2.h"
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void
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h2_sess_panic(struct vsb *vsb, const struct sess *sp)
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{
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        uintptr_t *up;
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        struct h2_sess *h2;
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        struct h2_req *r2;
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        AZ(SES_Get_xport_priv(sp, &up));
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        h2 = (void*)*up;
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        CHECK_OBJ_NOTNULL(h2, H2_SESS_MAGIC);
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        VSB_printf(vsb, "streams {\n");
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        VSB_indent(vsb, 2);
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        VTAILQ_FOREACH(r2, &h2->streams, list) {
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                VSB_printf(vsb, "0x%08x", r2->stream);
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                switch (r2->state) {
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#define H2_STREAM(U,sd,d) case H2_S_##U: VSB_printf(vsb, " %-6s", sd); break;
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#include <tbl/h2_stream.h>
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                default:
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                        VSB_printf(vsb, " State %d", r2->state);
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                        break;
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                }
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                VSB_printf(vsb, "\n");
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        }
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        VSB_indent(vsb, -2);
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        VSB_printf(vsb, "}\n");
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}