| | varnish-cache/vmod/vmod_debug.c |
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/*- |
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* Copyright (c) 2012-2019 Varnish Software AS |
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* All rights reserved. |
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* |
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* Author: Poul-Henning Kamp <phk@FreeBSD.org> |
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* |
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* SPDX-License-Identifier: BSD-2-Clause |
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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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#include "config.h" |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <sys/socket.h> |
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#include <unistd.h> |
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#include "cache/cache_varnishd.h" |
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#include "cache/cache_filter.h" |
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#include "vsa.h" |
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#include "vtim.h" |
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#include "vcc_debug_if.h" |
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#include "VSC_debug.h" |
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|
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struct priv_vcl { |
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unsigned magic; |
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#define PRIV_VCL_MAGIC 0x8E62FA9D |
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char *foo; |
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uintptr_t obj_cb; |
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struct vclref *vclref_discard; |
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struct vclref *vclref_cold; |
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VCL_DURATION vcl_discard_delay; |
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VCL_BACKEND be; |
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unsigned cold_be; |
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unsigned cooling_be; |
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}; |
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|
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|
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static pthread_mutex_t vsc_mtx = PTHREAD_MUTEX_INITIALIZER; |
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static struct vsc_seg *vsc_seg = NULL; |
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static struct VSC_debug *vsc = NULL; |
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static int loads; |
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static const int store_ip_token; |
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static const int fail_task_fini_token; |
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extern void mylog(struct vsl_log *vsl, enum VSL_tag_e tag, |
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const char *fmt, ...) v_printflike_(3,4); |
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|
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/**********************************************************************/ |
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|
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static enum vfp_status v_matchproto_(vfp_pull_f) |
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xyzzy_vfp_rot13_pull(struct vfp_ctx *vc, struct vfp_entry *vfe, void *p, |
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ssize_t *lp) |
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{ |
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enum vfp_status vp; |
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char *q; |
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ssize_t l; |
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|
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(void)vfe; |
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vp = VFP_Suck(vc, p, lp); |
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if (vp == VFP_ERROR) |
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0 |
return (vp); |
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q = p; |
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1160 |
for (l = 0; l < *lp; l++, q++) { |
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1120 |
if (*q >= 'A' && *q <= 'Z') |
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*q = (((*q - 'A') + 13) % 26) + 'A'; |
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if (*q >= 'a' && *q <= 'z') |
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*q = (((*q - 'a') + 13) % 26) + 'a'; |
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} |
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return (vp); |
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} |
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|
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static const struct vfp xyzzy_vfp_rot13 = { |
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.name = "rot13", |
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.pull = xyzzy_vfp_rot13_pull, |
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}; |
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|
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/**********************************************************************/ |
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|
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// deliberately fragmenting the stream to make testing more interesting |
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#define ROT13_BUFSZ 8 |
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static int v_matchproto_(vdp_init_f) |
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xyzzy_vfp_rot13_init(VRT_CTX, struct vdp_ctx *vdc, void **priv, struct objcore *oc) |
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{ |
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(void)vdc; |
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(void)oc; |
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|
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CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
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AN(priv); |
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*priv = malloc(ROT13_BUFSZ); |
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if (*priv == NULL) |
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return (-1); |
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return (0); |
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} |
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|
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static int v_matchproto_(vdp_bytes_f) |
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xyzzy_vfp_rot13_bytes(struct vdp_ctx *vdx, enum vdp_action act, void **priv, |
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const void *ptr, ssize_t len) |
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{ |
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char *q; |
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const char *pp; |
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int i, j, retval = 0; |
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|
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CHECK_OBJ_NOTNULL(vdx, VDP_CTX_MAGIC); |
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AN(priv); |
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AN(*priv); |
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if (len <= 0) |
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return (VDP_bytes(vdx, act, ptr, len)); |
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AN(ptr); |
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if (act != VDP_END) |
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act = VDP_FLUSH; |
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q = *priv; |
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pp = ptr; |
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|
136 |
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for (i = 0, j = 0; j < len; i++, j++) { |
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if (pp[j] >= 'A' && pp[j] <= 'Z') |
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q[i] = (((pp[j] - 'A') + 13) % 26) + 'A'; |
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else if (pp[j] >= 'a' && pp[j] <= 'z') |
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q[i] = (((pp[j] - 'a') + 13) % 26) + 'a'; |
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else |
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q[i] = pp[j]; |
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if (i == ROT13_BUFSZ - 1 && j < len - 1) { |
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retval = VDP_bytes(vdx, VDP_FLUSH, q, ROT13_BUFSZ); |
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if (retval != 0) |
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return (retval); |
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i = -1; |
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} |
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} |
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if (i >= 0) |
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retval = VDP_bytes(vdx, act, q, i); |
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return (retval); |
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} |
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static int v_matchproto_(vdp_fini_f) |
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xyzzy_vfp_rot13_fini(struct vdp_ctx *vdc, void **priv) |
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{ |
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(void)vdc; |
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AN(priv); |
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free(*priv); |
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*priv = NULL; |
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return (0); |
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} |
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static const struct vdp xyzzy_vdp_rot13 = { |
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.name = "rot13", |
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.init = xyzzy_vfp_rot13_init, |
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.bytes = xyzzy_vfp_rot13_bytes, |
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.fini = xyzzy_vfp_rot13_fini, |
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}; |
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|
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/********************************************************************** |
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* pendantic tests of the VDP API: |
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* - assert that we see a VDP_END |
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* - assert that _fini gets called before the task ends |
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* |
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* note: |
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* we could lookup our own vdpe in _fini and check for vdpe->end == VDP_END |
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* yet that would cross the API |
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*/ |
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enum vdp_state_e { |
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VDPS_NULL = 0, |
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VDPS_INIT, // _init called |
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VDPS_BYTES, // _bytes called act != VDP_END |
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VDPS_END, // _bytes called act == VDP_END |
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VDPS_FINI // _fini called |
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}; |
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struct vdp_state_s { |
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unsigned magic; |
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#define VDP_STATE_MAGIC 0x57c8d309 |
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enum vdp_state_e state; |
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}; |
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|
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static void v_matchproto_(vmod_priv_fini_f) |
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priv_pedantic_fini(VRT_CTX, void *priv) |
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{ |
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struct vdp_state_s *vdps; |
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|
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CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
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CAST_OBJ_NOTNULL(vdps, priv, VDP_STATE_MAGIC); |
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|
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assert(vdps->state == VDPS_FINI); |
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} |
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static const struct vmod_priv_methods priv_pedantic_methods[1] = {{ |
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.magic = VMOD_PRIV_METHODS_MAGIC, |
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.type = "debug_vdp_pedantic", |
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.fini = priv_pedantic_fini |
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}}; |
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|
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static int v_matchproto_(vdp_init_f) |
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xyzzy_pedantic_init(VRT_CTX, struct vdp_ctx *vdx, void **priv, |
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struct objcore *oc) |
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{ |
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struct vdp_state_s *vdps; |
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struct vmod_priv *p; |
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|
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7680 |
(void)oc; |
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|
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CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
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15040 |
WS_TASK_ALLOC_OBJ(ctx, vdps, VDP_STATE_MAGIC); |
224 |
7680 |
if (vdps == NULL) |
225 |
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return (-1); |
226 |
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assert(vdps->state == VDPS_NULL); |
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|
228 |
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p = VRT_priv_task(ctx, (void *)vdx); |
229 |
7360 |
if (p == NULL) |
230 |
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return (-1); |
231 |
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p->priv = vdps; |
232 |
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p->methods = priv_pedantic_methods; |
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|
234 |
4800 |
AN(priv); |
235 |
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*priv = vdps; |
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|
237 |
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vdps->state = VDPS_INIT; |
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|
239 |
4800 |
return (0); |
240 |
7680 |
} |
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|
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static int v_matchproto_(vdp_bytes_f) |
243 |
8598 |
xyzzy_pedantic_bytes(struct vdp_ctx *vdx, enum vdp_action act, void **priv, |
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const void *ptr, ssize_t len) |
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{ |
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struct vdp_state_s *vdps; |
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|
248 |
8598 |
CAST_OBJ_NOTNULL(vdps, *priv, VDP_STATE_MAGIC); |
249 |
8598 |
assert(vdps->state >= VDPS_INIT); |
250 |
8598 |
assert(vdps->state < VDPS_END); |
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|
252 |
8598 |
if (act == VDP_END) |
253 |
2240 |
vdps->state = VDPS_END; |
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else |
255 |
6358 |
vdps->state = VDPS_BYTES; |
256 |
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|
257 |
8598 |
return (VDP_bytes(vdx, act, ptr, len)); |
258 |
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} |
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|
260 |
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static int v_matchproto_(vdp_fini_f) |
261 |
7680 |
xyzzy_pedantic_fini(struct vdp_ctx *vdx, void **priv) |
262 |
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{ |
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struct vdp_state_s *vdps; |
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|
265 |
7680 |
(void) vdx; |
266 |
7680 |
AN(priv); |
267 |
7680 |
if (*priv == NULL) |
268 |
2880 |
return (0); |
269 |
4800 |
CAST_OBJ_NOTNULL(vdps, *priv, VDP_STATE_MAGIC); |
270 |
4800 |
assert(vdps->state == VDPS_INIT || vdps->state == VDPS_END); |
271 |
4800 |
vdps->state = VDPS_FINI; |
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|
273 |
4800 |
*priv = NULL; |
274 |
4800 |
return (0); |
275 |
7680 |
} |
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|
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static const struct vdp xyzzy_vdp_pedantic = { |
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.name = "debug.pedantic", |
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.init = xyzzy_pedantic_init, |
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.bytes = xyzzy_pedantic_bytes, |
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.fini = xyzzy_pedantic_fini, |
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}; |
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|
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/**********************************************************************/ |
285 |
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|
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VCL_STRING v_matchproto_(td_debug_author) |
287 |
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xyzzy_author(VRT_CTX, VCL_ENUM person, VCL_ENUM someone) |
288 |
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{ |
289 |
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(void)someone; |
290 |
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|
291 |
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CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
292 |
200 |
if (person == VENUM(phk)) |
293 |
80 |
return ("Poul-Henning"); |
294 |
120 |
assert(strcmp(person, "phk")); |
295 |
120 |
if (person == VENUM(des)) |
296 |
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return ("Dag-Erling"); |
297 |
80 |
assert(strcmp(person, "des")); |
298 |
80 |
if (person == VENUM(kristian)) |
299 |
40 |
return ("Kristian"); |
300 |
40 |
assert(strcmp(person, "kristian")); |
301 |
40 |
if (person == VENUM(mithrandir)) |
302 |
40 |
return ("Tollef"); |
303 |
0 |
assert(strcmp(person, "mithrandir")); |
304 |
0 |
WRONG("Illegal VMOD enum"); |
305 |
200 |
} |
306 |
|
|
307 |
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#define AN0(x) (void) 0 |
308 |
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#define AN1(x) AN(x) |
309 |
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#define PRIV_FINI(name, assert) \ |
310 |
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static void v_matchproto_(vmod_priv_fini_f) \ |
311 |
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priv_ ## name ## _fini(VRT_CTX, void *ptr) \ |
312 |
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{ \ |
313 |
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const char * const fmt = "priv_" #name "_fini(%p)"; \ |
314 |
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\ |
315 |
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CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); \ |
316 |
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AN ## assert (ptr); \ |
317 |
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mylog(ctx->vsl, SLT_Debug, fmt, (char *)ptr); \ |
318 |
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free(ptr); \ |
319 |
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} \ |
320 |
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\ |
321 |
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static const struct vmod_priv_methods \ |
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xyzzy_test_priv_ ## name ## _methods[1] = {{ \ |
323 |
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.magic = VMOD_PRIV_METHODS_MAGIC, \ |
324 |
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.type = "debug_test_priv_" #name, \ |
325 |
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.fini = priv_ ## name ## _fini \ |
326 |
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}}; |
327 |
80 |
PRIV_FINI(call, 0) |
328 |
600 |
PRIV_FINI(task, 1) |
329 |
120 |
PRIV_FINI(top, 1) |
330 |
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#undef PRIV_FINI |
331 |
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#undef AN0 |
332 |
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#undef AN1 |
333 |
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|
334 |
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VCL_VOID v_matchproto_(td_debug_test_priv_call) |
335 |
80 |
xyzzy_test_priv_call(VRT_CTX, struct vmod_priv *priv) |
336 |
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{ |
337 |
|
|
338 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
339 |
80 |
if (priv->priv == NULL) { |
340 |
80 |
priv->priv = strdup("BAR"); |
341 |
80 |
priv->methods = xyzzy_test_priv_call_methods; |
342 |
80 |
} else { |
343 |
0 |
assert(priv->methods == xyzzy_test_priv_call_methods); |
344 |
0 |
assert(!strcmp(priv->priv, "BAR")); |
345 |
|
} |
346 |
80 |
} |
347 |
|
|
348 |
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VCL_VOID v_matchproto_(td_debug_test_priv_task_get) |
349 |
40 |
xyzzy_test_priv_task_get(VRT_CTX) |
350 |
|
{ |
351 |
|
|
352 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
353 |
40 |
AZ(VRT_priv_task_get(ctx, NULL)); |
354 |
40 |
} |
355 |
|
|
356 |
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VCL_STRING v_matchproto_(td_debug_test_priv_task) |
357 |
1840 |
xyzzy_test_priv_task(VRT_CTX, struct vmod_priv *priv, VCL_STRING s) |
358 |
|
{ |
359 |
|
|
360 |
1840 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
361 |
1840 |
if (s == NULL || *s == '\0') { |
362 |
1680 |
mylog(ctx->vsl, SLT_Debug, "test_priv_task(%p) = %p (exists)", |
363 |
840 |
priv, priv->priv); |
364 |
1840 |
} else if (priv->priv == NULL) { |
365 |
600 |
priv->priv = strdup(s); |
366 |
600 |
priv->methods = xyzzy_test_priv_task_methods; |
367 |
1200 |
mylog(ctx->vsl, SLT_Debug, "test_priv_task(%p) = %p (new)", |
368 |
600 |
priv, priv->priv); |
369 |
600 |
} else { |
370 |
800 |
char *n = realloc(priv->priv, |
371 |
400 |
strlen(priv->priv) + strlen(s) + 2); |
372 |
400 |
if (n == NULL) |
373 |
0 |
return (NULL); |
374 |
400 |
strcat(n, " "); |
375 |
400 |
strcat(n, s); |
376 |
400 |
priv->priv = n; |
377 |
800 |
mylog(ctx->vsl, SLT_Debug, "test_priv_task(%p) = %p (update)", |
378 |
400 |
priv, priv->priv); |
379 |
|
} |
380 |
1840 |
if (priv->priv != NULL) |
381 |
1800 |
assert(priv->methods == xyzzy_test_priv_task_methods); |
382 |
1840 |
return (priv->priv); |
383 |
1840 |
} |
384 |
|
|
385 |
|
VCL_STRING v_matchproto_(td_debug_test_priv_top) |
386 |
960 |
xyzzy_test_priv_top(VRT_CTX, struct vmod_priv *priv, VCL_STRING s) |
387 |
|
{ |
388 |
|
|
389 |
960 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
390 |
960 |
if (priv->priv == NULL) { |
391 |
120 |
priv->priv = strdup(s); |
392 |
120 |
priv->methods = xyzzy_test_priv_top_methods; |
393 |
120 |
} else { |
394 |
840 |
assert(priv->methods == xyzzy_test_priv_top_methods); |
395 |
|
} |
396 |
960 |
return (priv->priv); |
397 |
|
} |
398 |
|
|
399 |
|
VCL_VOID v_matchproto_(td_debug_test_priv_vcl) |
400 |
80 |
xyzzy_test_priv_vcl(VRT_CTX, struct vmod_priv *priv) |
401 |
|
{ |
402 |
|
struct priv_vcl *priv_vcl; |
403 |
|
|
404 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
405 |
80 |
AN(priv); |
406 |
80 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
407 |
80 |
AN(priv_vcl->foo); |
408 |
80 |
assert(!strcmp(priv_vcl->foo, "FOO")); |
409 |
80 |
} |
410 |
|
|
411 |
|
VCL_VOID v_matchproto_(td_debug_rot104) |
412 |
40 |
xyzzy_rot104(VRT_CTX) |
413 |
|
{ |
414 |
|
|
415 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
416 |
|
// This should fail |
417 |
40 |
AN(VRT_AddFilter(ctx, &xyzzy_vfp_rot13, &xyzzy_vdp_rot13)); |
418 |
40 |
} |
419 |
|
|
420 |
|
VCL_VOID v_matchproto_(td_debug_rot52) |
421 |
80 |
xyzzy_rot52(VRT_CTX, VCL_HTTP hp) |
422 |
|
{ |
423 |
|
|
424 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
425 |
80 |
CHECK_OBJ_NOTNULL(hp, HTTP_MAGIC); |
426 |
|
|
427 |
80 |
http_PrintfHeader(hp, "Encrypted: ROT52"); |
428 |
80 |
} |
429 |
|
|
430 |
|
VCL_STRING v_matchproto_(td_debug_argtest) |
431 |
280 |
xyzzy_argtest(VRT_CTX, struct VARGS(argtest) *arg) |
432 |
|
{ |
433 |
|
char buf[100]; |
434 |
|
|
435 |
280 |
AN(arg); |
436 |
280 |
bprintf(buf, "%s %g %s %s %jd %d %s", |
437 |
|
arg->one, arg->two, arg->three, arg->comma, (intmax_t)arg->four, |
438 |
|
arg->valid_opt, arg->valid_opt ? arg->opt : "<undef>"); |
439 |
280 |
return (WS_Copy(ctx->ws, buf, -1)); |
440 |
|
} |
441 |
|
|
442 |
|
VCL_INT v_matchproto_(td_debug_vre_limit) |
443 |
80 |
xyzzy_vre_limit(VRT_CTX) |
444 |
|
{ |
445 |
80 |
(void)ctx; |
446 |
80 |
return (cache_param->vre_limits.match); |
447 |
|
} |
448 |
|
|
449 |
|
static void v_matchproto_(obj_event_f) |
450 |
80 |
obj_cb(struct worker *wrk, void *priv, struct objcore *oc, unsigned event) |
451 |
|
{ |
452 |
|
const struct priv_vcl *priv_vcl; |
453 |
|
const char *what; |
454 |
|
|
455 |
80 |
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC); |
456 |
80 |
CHECK_OBJ_NOTNULL(oc, OBJCORE_MAGIC); |
457 |
80 |
CAST_OBJ_NOTNULL(priv_vcl, priv, PRIV_VCL_MAGIC); |
458 |
80 |
switch (event) { |
459 |
40 |
case OEV_INSERT: what = "insert"; break; |
460 |
40 |
case OEV_EXPIRE: what = "expire"; break; |
461 |
0 |
default: WRONG("Wrong object event"); |
462 |
0 |
} |
463 |
|
|
464 |
|
/* We cannot trust %p to be 0x... format as expected by m00021.vtc */ |
465 |
160 |
VSL(SLT_Debug, NO_VXID, "Object Event: %s 0x%jx", what, |
466 |
80 |
(intmax_t)(uintptr_t)oc); |
467 |
80 |
} |
468 |
|
|
469 |
|
VCL_VOID v_matchproto_(td_debug_register_obj_events) |
470 |
40 |
xyzzy_register_obj_events(VRT_CTX, struct vmod_priv *priv) |
471 |
|
{ |
472 |
|
struct priv_vcl *priv_vcl; |
473 |
|
|
474 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
475 |
40 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
476 |
40 |
AZ(priv_vcl->obj_cb); |
477 |
40 |
priv_vcl->obj_cb = ObjSubscribeEvents(obj_cb, priv_vcl, |
478 |
|
OEV_INSERT|OEV_EXPIRE); |
479 |
40 |
VSL(SLT_Debug, NO_VXID, "Subscribed to Object Events"); |
480 |
40 |
} |
481 |
|
|
482 |
|
VCL_VOID v_matchproto_(td_debug_fail) |
483 |
640 |
xyzzy_fail(VRT_CTX) |
484 |
|
{ |
485 |
|
|
486 |
640 |
VRT_fail(ctx, "Forced failure"); |
487 |
640 |
} |
488 |
|
|
489 |
|
VCL_BOOL v_matchproto_(td_debug_fail2) |
490 |
40 |
xyzzy_fail2(VRT_CTX) |
491 |
|
{ |
492 |
|
|
493 |
40 |
VRT_fail(ctx, "Forced failure"); |
494 |
40 |
return (1); |
495 |
|
} |
496 |
|
|
497 |
|
static void v_matchproto_(vmod_priv_fini_f) |
498 |
920 |
priv_vcl_fini(VRT_CTX, void *priv) |
499 |
|
{ |
500 |
|
struct priv_vcl *priv_vcl; |
501 |
|
|
502 |
920 |
CAST_OBJ_NOTNULL(priv_vcl, priv, PRIV_VCL_MAGIC); |
503 |
920 |
AN(priv_vcl->foo); |
504 |
920 |
free(priv_vcl->foo); |
505 |
920 |
if (priv_vcl->obj_cb != 0) { |
506 |
40 |
ObjUnsubscribeEvents(&priv_vcl->obj_cb); |
507 |
40 |
VSLb(ctx->vsl, SLT_Debug, "Unsubscribed from Object Events"); |
508 |
40 |
} |
509 |
920 |
AZ(priv_vcl->vclref_discard); |
510 |
920 |
AZ(priv_vcl->vclref_cold); |
511 |
920 |
FREE_OBJ(priv_vcl); |
512 |
920 |
} |
513 |
|
|
514 |
|
static const struct vmod_priv_methods priv_vcl_methods[1] = {{ |
515 |
|
.magic = VMOD_PRIV_METHODS_MAGIC, |
516 |
|
.type = "debug_priv_vcl_fini", |
517 |
|
.fini = priv_vcl_fini |
518 |
|
}}; |
519 |
|
|
520 |
|
static int |
521 |
3680 |
event_load(VRT_CTX, struct vmod_priv *priv) |
522 |
|
{ |
523 |
|
struct priv_vcl *priv_vcl; |
524 |
|
|
525 |
3680 |
AN(ctx->msg); |
526 |
|
|
527 |
3680 |
loads++; |
528 |
|
|
529 |
3680 |
if (cache_param->nuke_limit == 42) { |
530 |
40 |
VSB_cat(ctx->msg, "nuke_limit is not the answer."); |
531 |
40 |
return (-1); |
532 |
|
} |
533 |
|
|
534 |
3640 |
ALLOC_OBJ(priv_vcl, PRIV_VCL_MAGIC); |
535 |
3640 |
AN(priv_vcl); |
536 |
3640 |
priv_vcl->foo = strdup("FOO"); |
537 |
3640 |
AN(priv_vcl->foo); |
538 |
3640 |
priv->priv = priv_vcl; |
539 |
3640 |
priv->methods = priv_vcl_methods; |
540 |
|
|
541 |
3640 |
AZ(VRT_AddFilter(ctx, &xyzzy_vfp_rot13, &xyzzy_vdp_rot13)); |
542 |
3640 |
AZ(VRT_AddFilter(ctx, NULL, &xyzzy_vdp_pedantic)); |
543 |
3640 |
return (0); |
544 |
3680 |
} |
545 |
|
|
546 |
|
VCL_VOID |
547 |
40 |
xyzzy_vcl_prevent_cold(VRT_CTX, struct vmod_priv *priv) |
548 |
|
{ |
549 |
|
struct priv_vcl *priv_vcl; |
550 |
|
char buf[32]; |
551 |
|
|
552 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
553 |
40 |
AN(priv); |
554 |
40 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
555 |
40 |
AZ(priv_vcl->vclref_cold); |
556 |
|
|
557 |
40 |
bprintf(buf, "vmod-debug ref on %s", VCL_Name(ctx->vcl)); |
558 |
40 |
priv_vcl->vclref_cold = VRT_VCL_Prevent_Cold(ctx, buf); |
559 |
40 |
} |
560 |
|
|
561 |
|
VCL_VOID |
562 |
40 |
xyzzy_vcl_allow_cold(VRT_CTX, struct vmod_priv *priv) |
563 |
|
{ |
564 |
|
struct priv_vcl *priv_vcl; |
565 |
|
|
566 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
567 |
40 |
AN(priv); |
568 |
40 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
569 |
40 |
AN(priv_vcl->vclref_cold); |
570 |
40 |
VRT_VCL_Allow_Cold(&priv_vcl->vclref_cold); |
571 |
40 |
} |
572 |
|
|
573 |
|
VCL_VOID |
574 |
0 |
xyzzy_cold_backend(VRT_CTX, struct vmod_priv *priv) |
575 |
|
{ |
576 |
|
struct priv_vcl *priv_vcl; |
577 |
|
|
578 |
0 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
579 |
0 |
AN(priv); |
580 |
0 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
581 |
0 |
priv_vcl->cold_be = 1; |
582 |
0 |
} |
583 |
|
|
584 |
|
VCL_VOID |
585 |
0 |
xyzzy_cooling_backend(VRT_CTX, struct vmod_priv *priv) |
586 |
|
{ |
587 |
|
struct priv_vcl *priv_vcl; |
588 |
|
|
589 |
0 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
590 |
0 |
AN(priv); |
591 |
0 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
592 |
0 |
priv_vcl->cooling_be = 1; |
593 |
0 |
} |
594 |
|
|
595 |
|
static const struct vdi_methods empty_methods[1] = {{ |
596 |
|
.magic = VDI_METHODS_MAGIC, |
597 |
|
.type = "debug.dummy" |
598 |
|
}}; |
599 |
|
|
600 |
|
static int |
601 |
3280 |
event_warm(VRT_CTX, const struct vmod_priv *priv) |
602 |
|
{ |
603 |
|
struct priv_vcl *priv_vcl; |
604 |
|
char buf[32]; |
605 |
3280 |
const char *vcl_name = VCL_Name(ctx->vcl); |
606 |
|
|
607 |
|
// Using VSLs for coverage |
608 |
3280 |
VSLs(SLT_Debug, NO_VXID, TOSTRANDS(2, vcl_name, ": VCL_EVENT_WARM")); |
609 |
|
|
610 |
3280 |
AN(ctx->msg); |
611 |
3280 |
if (cache_param->max_esi_depth == 42) { |
612 |
120 |
VSB_cat(ctx->msg, "max_esi_depth is not the answer."); |
613 |
120 |
return (-1); |
614 |
|
} |
615 |
|
|
616 |
3160 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
617 |
3160 |
AZ(priv_vcl->vclref_discard); |
618 |
|
|
619 |
3160 |
if (!priv_vcl->cold_be) { |
620 |
|
/* NB: set up a COOLING step unless we want a COLD backend. */ |
621 |
3160 |
bprintf(buf, "vmod-debug ref on %s", VCL_Name(ctx->vcl)); |
622 |
3160 |
priv_vcl->vclref_discard = VRT_VCL_Prevent_Discard(ctx, buf); |
623 |
3160 |
} |
624 |
|
|
625 |
3160 |
AZ(priv_vcl->be); |
626 |
3160 |
priv_vcl->be = VRT_AddDirector(ctx, empty_methods, |
627 |
|
NULL, "%s", "dir_warmcold"); |
628 |
|
|
629 |
3160 |
return (0); |
630 |
3280 |
} |
631 |
|
|
632 |
|
static void* |
633 |
40 |
cooldown_thread(void *priv) |
634 |
|
{ |
635 |
|
struct priv_vcl *priv_vcl; |
636 |
|
|
637 |
40 |
CAST_OBJ_NOTNULL(priv_vcl, priv, PRIV_VCL_MAGIC); |
638 |
40 |
AN(priv_vcl->vclref_discard); |
639 |
|
|
640 |
40 |
VTIM_sleep(priv_vcl->vcl_discard_delay); |
641 |
40 |
VRT_VCL_Allow_Discard(&priv_vcl->vclref_discard); |
642 |
40 |
return (NULL); |
643 |
|
} |
644 |
|
|
645 |
|
static VCL_BACKEND |
646 |
0 |
create_cold_backend(VRT_CTX) |
647 |
|
{ |
648 |
|
struct vrt_endpoint vep[1]; |
649 |
|
struct vrt_backend be[1]; |
650 |
|
|
651 |
0 |
INIT_OBJ(vep, VRT_ENDPOINT_MAGIC); |
652 |
0 |
vep->uds_path = "/"; |
653 |
0 |
INIT_OBJ(be, VRT_BACKEND_MAGIC); |
654 |
0 |
be->endpoint = vep; |
655 |
0 |
be->vcl_name = "doomed"; |
656 |
0 |
return (VRT_new_backend(ctx, be, NULL)); |
657 |
|
} |
658 |
|
|
659 |
|
static int |
660 |
553 |
event_cold(VRT_CTX, const struct vmod_priv *priv) |
661 |
|
{ |
662 |
|
pthread_t thread; |
663 |
|
struct priv_vcl *priv_vcl; |
664 |
|
|
665 |
553 |
AZ(ctx->msg); |
666 |
|
|
667 |
553 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
668 |
|
|
669 |
553 |
VSL(SLT_Debug, NO_VXID, "%s: VCL_EVENT_COLD", VCL_Name(ctx->vcl)); |
670 |
|
|
671 |
553 |
VRT_DelDirector(&priv_vcl->be); |
672 |
|
|
673 |
553 |
if (priv_vcl->cold_be) { |
674 |
0 |
AZ(priv_vcl->vclref_discard); |
675 |
0 |
priv_vcl->be = create_cold_backend(ctx); |
676 |
0 |
WRONG("unreachable"); |
677 |
0 |
} |
678 |
|
|
679 |
553 |
if (priv_vcl->cooling_be) { |
680 |
0 |
AN(priv_vcl->vclref_discard); |
681 |
0 |
priv_vcl->be = create_cold_backend(ctx); |
682 |
0 |
AZ(priv_vcl->be); |
683 |
0 |
} |
684 |
|
|
685 |
553 |
if (priv_vcl->vcl_discard_delay == 0.0) { |
686 |
513 |
AN(priv_vcl->vclref_discard); |
687 |
513 |
VRT_VCL_Allow_Discard(&priv_vcl->vclref_discard); |
688 |
513 |
return (0); |
689 |
|
} |
690 |
|
|
691 |
40 |
PTOK(pthread_create(&thread, NULL, cooldown_thread, priv_vcl)); |
692 |
40 |
PTOK(pthread_detach(thread)); |
693 |
40 |
return (0); |
694 |
553 |
} |
695 |
|
|
696 |
|
static int |
697 |
920 |
event_discard(VRT_CTX, void *priv) |
698 |
|
{ |
699 |
|
|
700 |
920 |
(void)priv; |
701 |
|
|
702 |
920 |
AZ(ctx->msg); |
703 |
|
|
704 |
920 |
VRT_RemoveFilter(ctx, &xyzzy_vfp_rot13, &xyzzy_vdp_rot13); |
705 |
920 |
VRT_RemoveFilter(ctx, NULL, &xyzzy_vdp_pedantic); |
706 |
|
|
707 |
920 |
if (--loads) |
708 |
600 |
return (0); |
709 |
|
|
710 |
|
/* |
711 |
|
* The vsc and vsc_seg variables are not per-VCL, they are |
712 |
|
* the same in all VCL's which import the same binary version |
713 |
|
* of this VMOD, so we should only carry out cleanup on the |
714 |
|
* last discard event. |
715 |
|
*/ |
716 |
320 |
if (vsc) |
717 |
40 |
VSC_debug_Destroy(&vsc_seg); |
718 |
|
|
719 |
320 |
return (0); |
720 |
920 |
} |
721 |
|
|
722 |
|
int v_matchproto_(vmod_event_f) |
723 |
8433 |
xyzzy_event_function(VRT_CTX, struct vmod_priv *priv, enum vcl_event_e e) |
724 |
|
{ |
725 |
|
|
726 |
8433 |
switch (e) { |
727 |
3680 |
case VCL_EVENT_LOAD: return (event_load(ctx, priv)); |
728 |
3280 |
case VCL_EVENT_WARM: return (event_warm(ctx, priv)); |
729 |
553 |
case VCL_EVENT_COLD: return (event_cold(ctx, priv)); |
730 |
920 |
case VCL_EVENT_DISCARD: return (event_discard(ctx, priv)); |
731 |
0 |
default: WRONG("we should test all possible events"); |
732 |
0 |
} |
733 |
8433 |
} |
734 |
|
|
735 |
|
VCL_VOID v_matchproto_(td_debug_vcl_discard_delay) |
736 |
40 |
xyzzy_vcl_discard_delay(VRT_CTX, struct vmod_priv *priv, VCL_DURATION delay) |
737 |
|
{ |
738 |
|
struct priv_vcl *priv_vcl; |
739 |
|
|
740 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
741 |
40 |
CAST_OBJ_NOTNULL(priv_vcl, priv->priv, PRIV_VCL_MAGIC); |
742 |
40 |
assert(delay > 0.0); |
743 |
40 |
priv_vcl->vcl_discard_delay = delay; |
744 |
40 |
} |
745 |
|
|
746 |
|
VCL_VOID v_matchproto_(td_debug_test_probe) |
747 |
0 |
xyzzy_test_probe(VRT_CTX, VCL_PROBE probe, VCL_PROBE same) |
748 |
|
{ |
749 |
|
|
750 |
0 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
751 |
0 |
CHECK_OBJ_NOTNULL(probe, VRT_BACKEND_PROBE_MAGIC); |
752 |
0 |
CHECK_OBJ_ORNULL(same, VRT_BACKEND_PROBE_MAGIC); |
753 |
0 |
AZ(same == NULL || probe == same); |
754 |
0 |
} |
755 |
|
|
756 |
|
VCL_VOID |
757 |
40 |
xyzzy_vsc_new(VRT_CTX) |
758 |
|
{ |
759 |
40 |
(void)ctx; |
760 |
40 |
PTOK(pthread_mutex_lock(&vsc_mtx)); |
761 |
40 |
if (vsc == NULL) { |
762 |
40 |
AZ(vsc_seg); |
763 |
40 |
vsc = VSC_debug_New(NULL, &vsc_seg, ""); |
764 |
40 |
} |
765 |
40 |
AN(vsc); |
766 |
40 |
AN(vsc_seg); |
767 |
40 |
PTOK(pthread_mutex_unlock(&vsc_mtx)); |
768 |
40 |
} |
769 |
|
|
770 |
|
VCL_VOID |
771 |
40 |
xyzzy_vsc_count(VRT_CTX, VCL_INT cnt) |
772 |
|
{ |
773 |
40 |
(void)ctx; |
774 |
40 |
AN(vsc); |
775 |
40 |
vsc->count += cnt; |
776 |
40 |
} |
777 |
|
|
778 |
|
VCL_VOID |
779 |
0 |
xyzzy_vsc_destroy(VRT_CTX) |
780 |
|
{ |
781 |
0 |
(void)ctx; |
782 |
0 |
PTOK(pthread_mutex_lock(&vsc_mtx)); |
783 |
0 |
if (vsc != NULL) { |
784 |
0 |
AN(vsc_seg); |
785 |
0 |
VSC_debug_Destroy(&vsc_seg); |
786 |
0 |
} |
787 |
0 |
AZ(vsc_seg); |
788 |
0 |
vsc = NULL; |
789 |
0 |
PTOK(pthread_mutex_unlock(&vsc_mtx)); |
790 |
0 |
} |
791 |
|
|
792 |
|
struct xyzzy_debug_concat { |
793 |
|
unsigned magic; |
794 |
|
#define CONCAT_MAGIC 0x6b746493 |
795 |
|
VCL_STRING s; |
796 |
|
}; |
797 |
|
|
798 |
|
VCL_VOID |
799 |
160 |
xyzzy_concat__init(VRT_CTX, struct xyzzy_debug_concat **concatp, |
800 |
|
const char *vcl_name, VCL_STRANDS s) |
801 |
|
{ |
802 |
|
struct xyzzy_debug_concat *concat; |
803 |
160 |
size_t sz = 0; |
804 |
|
char *p; |
805 |
|
|
806 |
160 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
807 |
160 |
AN(concatp); |
808 |
160 |
AZ(*concatp); |
809 |
160 |
AN(vcl_name); |
810 |
|
|
811 |
160 |
ALLOC_OBJ(concat, CONCAT_MAGIC); |
812 |
160 |
AN(concat); |
813 |
160 |
*concatp = concat; |
814 |
|
|
815 |
480 |
for (int i = 0; i < s->n; i++) |
816 |
640 |
if (s->p[i] != NULL) |
817 |
320 |
sz += strlen(s->p[i]); |
818 |
160 |
p = malloc(sz + 1); |
819 |
160 |
AN(p); |
820 |
160 |
(void)VRT_Strands(p, sz + 1, s); |
821 |
160 |
concat->s = p; |
822 |
160 |
} |
823 |
|
|
824 |
|
VCL_VOID |
825 |
0 |
xyzzy_concat__fini(struct xyzzy_debug_concat **concatp) |
826 |
|
{ |
827 |
|
struct xyzzy_debug_concat *concat; |
828 |
|
|
829 |
|
|
830 |
0 |
TAKE_OBJ_NOTNULL(concat, concatp, CONCAT_MAGIC); |
831 |
0 |
free(TRUST_ME(concat->s)); |
832 |
0 |
FREE_OBJ(concat); |
833 |
0 |
} |
834 |
|
|
835 |
|
VCL_STRING |
836 |
80 |
xyzzy_concat_get(VRT_CTX, struct xyzzy_debug_concat *concat) |
837 |
|
{ |
838 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
839 |
80 |
CHECK_OBJ_NOTNULL(concat, CONCAT_MAGIC); |
840 |
80 |
return (concat->s); |
841 |
|
} |
842 |
|
|
843 |
|
VCL_STRING |
844 |
320 |
xyzzy_concatenate(VRT_CTX, VCL_STRANDS s) |
845 |
|
{ |
846 |
|
VCL_STRING r; |
847 |
|
|
848 |
320 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
849 |
320 |
r = VRT_StrandsWS(ctx->ws, NULL, s); |
850 |
320 |
if (r != NULL && *r != '\0') |
851 |
240 |
AN(WS_Allocated(ctx->ws, r, strlen(r) + 1)); |
852 |
320 |
return (r); |
853 |
|
} |
854 |
|
|
855 |
|
VCL_STRING |
856 |
320 |
xyzzy_collect(VRT_CTX, VCL_STRANDS s) |
857 |
|
{ |
858 |
|
VCL_STRING r; |
859 |
|
|
860 |
320 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
861 |
320 |
r = VRT_STRANDS_string(ctx, s); |
862 |
320 |
if (r != NULL && *r != '\0') |
863 |
240 |
AN(WS_Allocated(ctx->ws, r, strlen(r) + 1)); |
864 |
320 |
return (r); |
865 |
|
} |
866 |
|
|
867 |
|
/* cf. VRT_SetHdr() */ |
868 |
|
VCL_VOID |
869 |
320 |
xyzzy_sethdr(VRT_CTX, VCL_HEADER hdr, VCL_STRANDS s) |
870 |
|
{ |
871 |
|
struct http *hp; |
872 |
|
const char *b; |
873 |
|
|
874 |
320 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
875 |
320 |
if (hdr == NULL) { |
876 |
0 |
VRT_fail(ctx, "debug.sethdr(): header argument is NULL"); |
877 |
0 |
return; |
878 |
|
} |
879 |
320 |
hp = VRT_selecthttp(ctx, hdr->where); |
880 |
320 |
if (hp == NULL) { |
881 |
0 |
VRT_fail(ctx, "debug.sethdr(): header argument " |
882 |
|
"can not be used here"); |
883 |
0 |
return; |
884 |
|
} |
885 |
320 |
AN(hdr->what); |
886 |
320 |
CHECK_OBJ_NOTNULL(hp, HTTP_MAGIC); |
887 |
320 |
if (s->n == 0) { |
888 |
0 |
http_Unset(hp, hdr->what); |
889 |
0 |
} else { |
890 |
320 |
b = VRT_StrandsWS(hp->ws, hdr->what + 1, s); |
891 |
320 |
if (b == NULL) { |
892 |
0 |
VSLbs(ctx->vsl, SLT_LostHeader, |
893 |
0 |
TOSTRAND(hdr->what + 1)); |
894 |
0 |
} else { |
895 |
320 |
if (*b != '\0') |
896 |
320 |
AN(WS_Allocated(hp->ws, b, strlen(b) + 1)); |
897 |
320 |
http_Unset(hp, hdr->what); |
898 |
320 |
http_SetHeader(hp, b); |
899 |
|
} |
900 |
|
} |
901 |
320 |
} |
902 |
|
|
903 |
|
void |
904 |
5520 |
mylog(struct vsl_log *vsl, enum VSL_tag_e tag, const char *fmt, ...) |
905 |
|
{ |
906 |
|
va_list ap; |
907 |
|
|
908 |
5520 |
va_start(ap, fmt); |
909 |
5520 |
if (vsl != NULL) |
910 |
4760 |
VSLbv(vsl, tag, fmt, ap); |
911 |
|
else |
912 |
760 |
VSLv(tag, NO_VXID, fmt, ap); |
913 |
5520 |
va_end(ap); |
914 |
5520 |
} |
915 |
|
|
916 |
|
VCL_DURATION |
917 |
160 |
xyzzy_priv_perf(VRT_CTX, VCL_INT size, VCL_INT rounds) |
918 |
|
{ |
919 |
|
vtim_mono t0, t1; |
920 |
|
vtim_dur d; |
921 |
|
struct vmod_priv *p; |
922 |
|
VCL_INT s, r; |
923 |
160 |
uintptr_t check = 0; |
924 |
|
|
925 |
160 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
926 |
|
|
927 |
44600 |
for (s = 1; s <= size; s++) { |
928 |
44440 |
p = VRT_priv_task(ctx, (void *)(uintptr_t)s); |
929 |
44440 |
if (p == NULL) { |
930 |
0 |
VRT_fail(ctx, "no priv task - out of ws?"); |
931 |
0 |
return (-1.0); |
932 |
|
} |
933 |
44440 |
p->priv = NULL; |
934 |
44440 |
} |
935 |
|
|
936 |
160 |
t0 = VTIM_mono(); |
937 |
1600160 |
for (r = 0; r < rounds; r++) { |
938 |
446000000 |
for (s = 1; s <= size; s++) { |
939 |
444400000 |
p = VRT_priv_task_get(ctx, (void *)(uintptr_t)s); |
940 |
444400000 |
AN(p); |
941 |
444400000 |
check += (uintptr_t)p->priv; |
942 |
444400000 |
p->priv = (void *)(uintptr_t)(s * rounds + r); |
943 |
444400000 |
} |
944 |
1600000 |
} |
945 |
160 |
t1 = VTIM_mono(); |
946 |
|
|
947 |
160 |
d = (t1 - t0) * 1e9 / ((double)size * (double)rounds); |
948 |
|
|
949 |
320 |
mylog(ctx->vsl, SLT_Debug, |
950 |
|
"perf size %jd rounds %jd time %.1fns check %jd", |
951 |
160 |
(intmax_t)size, (intmax_t)rounds, d, (uintmax_t)check); |
952 |
|
|
953 |
160 |
return (d); |
954 |
160 |
} |
955 |
|
|
956 |
|
VCL_STRANDS |
957 |
160 |
xyzzy_return_strands(VRT_CTX, VCL_STRANDS strand) |
958 |
|
{ |
959 |
|
|
960 |
160 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
961 |
160 |
VSLbs(ctx->vsl, SLT_Debug, strand); |
962 |
160 |
return (strand); |
963 |
|
} |
964 |
|
|
965 |
|
VCL_VOID |
966 |
80 |
xyzzy_vsl_flush(VRT_CTX) |
967 |
|
{ |
968 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
969 |
80 |
VSL_Flush(ctx->vsl, 0); |
970 |
80 |
} |
971 |
|
|
972 |
|
/*---------------------------------------------------------------------*/ |
973 |
|
|
974 |
|
static const struct vcf_return * v_matchproto_(vcf_func_f) |
975 |
560 |
xyzzy_catflap_simple(struct req *req, struct objcore **oc, |
976 |
|
struct objcore **oc_exp, int state) |
977 |
|
{ |
978 |
|
|
979 |
560 |
CHECK_OBJ_NOTNULL(req, REQ_MAGIC); |
980 |
560 |
CHECK_OBJ_NOTNULL(req->vcf, VCF_MAGIC); |
981 |
560 |
assert(req->vcf->func == xyzzy_catflap_simple); |
982 |
|
|
983 |
560 |
(void)oc; |
984 |
560 |
(void)oc_exp; |
985 |
560 |
if (state == 0) { |
986 |
160 |
if (req->vcf->priv == VENUM(first)) |
987 |
40 |
return (VCF_HIT); |
988 |
120 |
if (req->vcf->priv == VENUM(miss)) |
989 |
120 |
return (VCF_MISS); |
990 |
0 |
WRONG("Shouldn't get here"); |
991 |
0 |
} |
992 |
400 |
return (VCF_DEFAULT); |
993 |
560 |
} |
994 |
|
|
995 |
|
static const struct vcf_return * v_matchproto_(vcf_func_f) |
996 |
240 |
xyzzy_catflap_last(struct req *req, struct objcore **oc, |
997 |
|
struct objcore **oc_exp, int state) |
998 |
|
{ |
999 |
|
|
1000 |
240 |
CHECK_OBJ_NOTNULL(req, REQ_MAGIC); |
1001 |
240 |
CHECK_OBJ_NOTNULL(req->vcf, VCF_MAGIC); |
1002 |
240 |
assert(req->vcf->func == xyzzy_catflap_last); |
1003 |
|
|
1004 |
240 |
(void)oc_exp; |
1005 |
240 |
if (state == 0) { |
1006 |
160 |
AN(oc); |
1007 |
160 |
CHECK_OBJ_NOTNULL(*oc, OBJCORE_MAGIC); |
1008 |
160 |
req->vcf->priv = *oc; |
1009 |
160 |
return (VCF_CONTINUE); |
1010 |
|
} |
1011 |
80 |
if (state == 1) { |
1012 |
40 |
AN(oc); |
1013 |
40 |
if (req->vcf->priv != NULL) |
1014 |
40 |
CAST_OBJ_NOTNULL(*oc, req->vcf->priv, OBJCORE_MAGIC); |
1015 |
40 |
return (VCF_CONTINUE); |
1016 |
|
} |
1017 |
40 |
return (VCF_DEFAULT); |
1018 |
240 |
} |
1019 |
|
|
1020 |
|
VCL_VOID |
1021 |
320 |
xyzzy_catflap(VRT_CTX, VCL_ENUM type) |
1022 |
|
{ |
1023 |
|
struct req *req; |
1024 |
|
|
1025 |
320 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1026 |
320 |
req = ctx->req; |
1027 |
320 |
CHECK_OBJ_NOTNULL(req, REQ_MAGIC); |
1028 |
320 |
XXXAZ(req->vcf); |
1029 |
640 |
WS_TASK_ALLOC_OBJ(ctx, req->vcf, VCF_MAGIC); |
1030 |
320 |
if (req->vcf == NULL) |
1031 |
0 |
return; |
1032 |
320 |
if (type == VENUM(first) || type == VENUM(miss)) { |
1033 |
280 |
req->vcf->func = xyzzy_catflap_simple; |
1034 |
280 |
req->vcf->priv = TRUST_ME(type); |
1035 |
320 |
} else if (type == VENUM(last)) { |
1036 |
40 |
req->vcf->func = xyzzy_catflap_last; |
1037 |
40 |
} else { |
1038 |
0 |
WRONG("Wrong VENUM"); |
1039 |
|
} |
1040 |
320 |
} |
1041 |
|
|
1042 |
|
VCL_BYTES |
1043 |
0 |
xyzzy_stk(VRT_CTX) |
1044 |
|
{ |
1045 |
0 |
const VCL_BYTES max = 100 * 1024 * 1024; |
1046 |
|
const char *a, *b; |
1047 |
|
VCL_BYTES r; |
1048 |
|
|
1049 |
0 |
a = TRUST_ME(&b); |
1050 |
0 |
b = TRUST_ME(ctx->req->wrk); |
1051 |
0 |
b += sizeof(*ctx->req->wrk); |
1052 |
|
|
1053 |
0 |
if (b > a && (r = b - a) < max) |
1054 |
0 |
return (r); |
1055 |
0 |
if (a > b && (r = a - b) < max) |
1056 |
0 |
return (r); |
1057 |
|
|
1058 |
0 |
return (0); |
1059 |
0 |
} |
1060 |
|
|
1061 |
|
VCL_VOID |
1062 |
320 |
xyzzy_sndbuf(VRT_CTX, VCL_BYTES arg) |
1063 |
|
{ |
1064 |
320 |
int fd = -1, oldbuf, newbuf, buflen; |
1065 |
320 |
socklen_t intlen = sizeof(int); |
1066 |
|
|
1067 |
320 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1068 |
|
|
1069 |
320 |
if (ctx->bo) { |
1070 |
0 |
CHECK_OBJ(ctx->bo, BUSYOBJ_MAGIC); |
1071 |
0 |
INCOMPL(); |
1072 |
0 |
} |
1073 |
320 |
else if (ctx->req) { |
1074 |
320 |
CHECK_OBJ(ctx->req, REQ_MAGIC); |
1075 |
320 |
CHECK_OBJ(ctx->req->sp, SESS_MAGIC); |
1076 |
320 |
fd = ctx->req->sp->fd; |
1077 |
320 |
} |
1078 |
|
else { |
1079 |
0 |
VRT_fail(ctx, "debug.sndbuf() called outside a transaction."); |
1080 |
0 |
return; |
1081 |
|
} |
1082 |
|
|
1083 |
320 |
xxxassert(fd >= 0); |
1084 |
|
|
1085 |
320 |
if (arg > INT_MAX) |
1086 |
0 |
buflen = INT_MAX; |
1087 |
320 |
else if (arg <= 0) |
1088 |
0 |
buflen = 0; |
1089 |
|
else |
1090 |
320 |
buflen = (int)arg; |
1091 |
|
|
1092 |
320 |
oldbuf = 0; |
1093 |
320 |
AZ(getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &oldbuf, &intlen)); |
1094 |
|
|
1095 |
320 |
newbuf = buflen; |
1096 |
320 |
AZ(setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &newbuf, intlen)); |
1097 |
320 |
AZ(getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &newbuf, &intlen)); |
1098 |
|
|
1099 |
320 |
AN(ctx->vsl); |
1100 |
640 |
VSLb(ctx->vsl, SLT_Debug, "SO_SNDBUF fd=%d old=%d new=%d actual=%d", |
1101 |
320 |
fd, oldbuf, buflen, newbuf); |
1102 |
320 |
} |
1103 |
|
|
1104 |
|
VCL_VOID |
1105 |
560 |
xyzzy_store_ip(VRT_CTX, VCL_IP ip) |
1106 |
|
{ |
1107 |
|
struct vmod_priv *priv; |
1108 |
|
|
1109 |
560 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1110 |
|
|
1111 |
560 |
priv = VRT_priv_task(ctx, &store_ip_token); |
1112 |
560 |
if (priv == NULL) { |
1113 |
0 |
VRT_fail(ctx, "no priv task - out of ws?"); |
1114 |
0 |
return; |
1115 |
|
} |
1116 |
|
|
1117 |
560 |
AZ(priv->methods); |
1118 |
560 |
assert(VSA_Sane(ip)); |
1119 |
560 |
priv->priv = TRUST_ME(ip); |
1120 |
560 |
} |
1121 |
|
|
1122 |
|
VCL_IP |
1123 |
1120 |
xyzzy_get_ip(VRT_CTX) |
1124 |
|
{ |
1125 |
|
struct vmod_priv *priv; |
1126 |
|
VCL_IP ip; |
1127 |
|
|
1128 |
1120 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1129 |
|
|
1130 |
1120 |
priv = VRT_priv_task_get(ctx, &store_ip_token); |
1131 |
1120 |
AN(priv); |
1132 |
1120 |
AZ(priv->methods); |
1133 |
|
|
1134 |
1120 |
ip = priv->priv; |
1135 |
1120 |
assert(VSA_Sane(ip)); |
1136 |
1120 |
return (ip); |
1137 |
|
} |
1138 |
|
|
1139 |
|
/*---------------------------------------------------------------------*/ |
1140 |
|
|
1141 |
|
struct VPFX(debug_director) { |
1142 |
|
unsigned magic; |
1143 |
|
#define VMOD_DEBUG_DIRECTOR_MAGIC 0x66b9ff3d |
1144 |
|
VCL_BACKEND dir; |
1145 |
|
}; |
1146 |
|
|
1147 |
|
/* XXX more callbacks ? */ |
1148 |
|
static vdi_healthy_f vmod_debug_director_healthy; |
1149 |
|
static vdi_resolve_f vmod_debug_director_resolve; |
1150 |
|
|
1151 |
|
static const struct vdi_methods vmod_debug_director_methods[1] = {{ |
1152 |
|
.magic = VDI_METHODS_MAGIC, |
1153 |
|
.type = "debug.director", |
1154 |
|
.resolve = vmod_debug_director_resolve, |
1155 |
|
.healthy = vmod_debug_director_healthy |
1156 |
|
}}; |
1157 |
|
|
1158 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_director__init) |
1159 |
40 |
xyzzy_director__init(VRT_CTX, struct VPFX(debug_director) **dp, |
1160 |
|
const char *vcl_name) |
1161 |
|
{ |
1162 |
|
struct VPFX(debug_director) *d; |
1163 |
|
|
1164 |
40 |
AN(dp); |
1165 |
40 |
AZ(*dp); |
1166 |
40 |
ALLOC_OBJ(d, VMOD_DEBUG_DIRECTOR_MAGIC); |
1167 |
40 |
AN(d); |
1168 |
|
|
1169 |
40 |
*dp = d; |
1170 |
80 |
d->dir = VRT_AddDirector(ctx, vmod_debug_director_methods, d, |
1171 |
40 |
"%s", vcl_name); |
1172 |
40 |
} |
1173 |
|
|
1174 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_director__fini) |
1175 |
0 |
xyzzy_director__fini(struct VPFX(debug_director) **dp) |
1176 |
|
{ |
1177 |
|
struct VPFX(debug_director) *d; |
1178 |
|
|
1179 |
0 |
TAKE_OBJ_NOTNULL(d, dp, VMOD_DEBUG_DIRECTOR_MAGIC); |
1180 |
0 |
VRT_DelDirector(&d->dir); |
1181 |
0 |
FREE_OBJ(d); |
1182 |
0 |
} |
1183 |
|
|
1184 |
|
VCL_BACKEND v_matchproto_(td_xyzzy_debug_director_fail) |
1185 |
80 |
xyzzy_director_fail(VRT_CTX, struct VPFX(debug_director) *d) |
1186 |
|
{ |
1187 |
80 |
CHECK_OBJ_NOTNULL(d, VMOD_DEBUG_DIRECTOR_MAGIC); |
1188 |
80 |
(void) ctx; |
1189 |
|
|
1190 |
80 |
return (d->dir); |
1191 |
|
} |
1192 |
|
|
1193 |
|
static VCL_BOOL v_matchproto_(vdi_healthy_f) |
1194 |
80 |
vmod_debug_director_healthy(VRT_CTX, VCL_BACKEND dir, VCL_TIME *changed) |
1195 |
|
{ |
1196 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1197 |
|
|
1198 |
80 |
(void) dir; |
1199 |
80 |
(void) changed; |
1200 |
|
|
1201 |
80 |
VRT_fail(ctx, "fail"); |
1202 |
80 |
return (1); |
1203 |
|
} |
1204 |
|
|
1205 |
|
static VCL_BACKEND v_matchproto_(vdi_resolve_f) |
1206 |
40 |
vmod_debug_director_resolve(VRT_CTX, VCL_BACKEND dir) |
1207 |
|
{ |
1208 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1209 |
|
|
1210 |
40 |
(void) dir; |
1211 |
|
|
1212 |
40 |
VRT_fail(ctx, "fail"); |
1213 |
40 |
return (NULL); |
1214 |
|
} |
1215 |
|
|
1216 |
|
VCL_STRING v_matchproto_(td_xyzzy_debug_client_ip) |
1217 |
40 |
xyzzy_client_ip(VRT_CTX) |
1218 |
|
{ |
1219 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1220 |
|
|
1221 |
40 |
return (SES_Get_String_Attr(ctx->sp, SA_CLIENT_IP)); |
1222 |
|
} |
1223 |
|
|
1224 |
|
VCL_STRING v_matchproto_(td_xyzzy_debug_client_port) |
1225 |
40 |
xyzzy_client_port(VRT_CTX) |
1226 |
|
{ |
1227 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1228 |
|
|
1229 |
40 |
return (SES_Get_String_Attr(ctx->sp, SA_CLIENT_PORT)); |
1230 |
|
} |
1231 |
|
|
1232 |
|
static void * fail_magic = &fail_magic; |
1233 |
|
|
1234 |
|
static void |
1235 |
120 |
fail_f(VRT_CTX, void *priv) |
1236 |
|
{ |
1237 |
|
|
1238 |
120 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1239 |
120 |
assert(priv == fail_magic); |
1240 |
|
|
1241 |
120 |
VRT_fail(ctx, "thou shalt not fini"); |
1242 |
120 |
} |
1243 |
|
|
1244 |
|
static const struct vmod_priv_methods xyzzy_fail_task_fini_methods[1] = {{ |
1245 |
|
.magic = VMOD_PRIV_METHODS_MAGIC, |
1246 |
|
.type = "debug_fail_task_fini", |
1247 |
|
.fini = fail_f |
1248 |
|
}}; |
1249 |
|
|
1250 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_fail_task_fini) |
1251 |
160 |
xyzzy_fail_task_fini(VRT_CTX) |
1252 |
|
{ |
1253 |
|
struct vmod_priv *p; |
1254 |
|
|
1255 |
160 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1256 |
|
|
1257 |
160 |
p = VRT_priv_task(ctx, &fail_task_fini_token); |
1258 |
160 |
if (p == NULL) { |
1259 |
0 |
VRT_fail(ctx, "no priv task - out of ws?"); |
1260 |
0 |
return; |
1261 |
|
} |
1262 |
|
|
1263 |
160 |
if (p->priv != NULL) { |
1264 |
0 |
assert(p->priv == fail_magic); |
1265 |
0 |
assert(p->methods == xyzzy_fail_task_fini_methods); |
1266 |
0 |
return; |
1267 |
|
} |
1268 |
|
|
1269 |
160 |
p->priv = fail_magic; |
1270 |
160 |
p->methods = xyzzy_fail_task_fini_methods; |
1271 |
160 |
} |
1272 |
|
|
1273 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_ok_task_fini) |
1274 |
40 |
xyzzy_ok_task_fini(VRT_CTX) |
1275 |
|
{ |
1276 |
|
struct vmod_priv *p; |
1277 |
|
|
1278 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1279 |
|
|
1280 |
40 |
p = VRT_priv_task(ctx, &fail_task_fini_token); |
1281 |
40 |
if (p == NULL) { |
1282 |
0 |
VRT_fail(ctx, "no priv task - out of ws?"); |
1283 |
0 |
return; |
1284 |
|
} |
1285 |
|
|
1286 |
40 |
p->priv = NULL; |
1287 |
40 |
p->methods = NULL; |
1288 |
40 |
} |
1289 |
|
|
1290 |
|
VCL_STRING v_matchproto_(td_xyzzy_debug_re_quote) |
1291 |
240 |
xyzzy_re_quote(VRT_CTX, VCL_STRING s) |
1292 |
|
{ |
1293 |
|
struct vsb vsb[1]; |
1294 |
|
char *q; |
1295 |
|
|
1296 |
240 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1297 |
240 |
CHECK_OBJ_NOTNULL(ctx->ws, WS_MAGIC); |
1298 |
240 |
WS_VSB_new(vsb, ctx->ws); |
1299 |
240 |
VRE_quote(vsb, s); |
1300 |
240 |
q = WS_VSB_finish(vsb, ctx->ws, NULL); |
1301 |
240 |
if (q == NULL) |
1302 |
0 |
WS_MarkOverflow(ctx->ws); |
1303 |
240 |
return (q); |
1304 |
|
} |
1305 |
|
|
1306 |
|
VCL_STRING v_matchproto_(td_xyzzy_priv_task_with_option) |
1307 |
120 |
xyzzy_priv_task_with_option(VRT_CTX, struct VARGS(priv_task_with_option) *args) |
1308 |
|
{ |
1309 |
|
|
1310 |
120 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1311 |
120 |
AN(args->priv); |
1312 |
120 |
if (args->priv->priv == NULL && args->valid_opt) |
1313 |
40 |
args->priv->priv = WS_Copy(ctx->ws, args->opt, -1); |
1314 |
120 |
return (args->priv->priv); |
1315 |
|
} |
1316 |
|
|
1317 |
|
VCL_BOOL v_matchproto_(td_xyzzy_validhdr) |
1318 |
80 |
xyzzy_validhdr(VRT_CTX, VCL_STRANDS s) |
1319 |
|
{ |
1320 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1321 |
80 |
return (VRT_ValidHdr(ctx, s)); |
1322 |
|
} |
1323 |
|
|
1324 |
|
VCL_REGEX v_matchproto_(td_xyzzy_regex) |
1325 |
240 |
xyzzy_just_return_regex(VRT_CTX, VCL_REGEX r) |
1326 |
|
{ |
1327 |
|
|
1328 |
240 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1329 |
240 |
AN(r); |
1330 |
240 |
return (r); |
1331 |
|
} |
1332 |
|
|
1333 |
|
/*---------------------------------------------------------------------*/ |
1334 |
|
|
1335 |
|
VCL_VOID v_matchproto_(td_xyzzy_call) |
1336 |
480 |
xyzzy_call(VRT_CTX, VCL_SUB sub) |
1337 |
|
{ |
1338 |
480 |
VRT_call(ctx, sub); |
1339 |
480 |
} |
1340 |
|
|
1341 |
|
VCL_STRING v_matchproto_(td_xyzzy_check_call) |
1342 |
40 |
xyzzy_check_call(VRT_CTX, VCL_SUB sub) |
1343 |
|
{ |
1344 |
40 |
return (VRT_check_call(ctx, sub)); |
1345 |
|
} |
1346 |
|
|
1347 |
|
/* the next two are to test WRONG vmod behavior: |
1348 |
|
* holding a VCL_SUB reference across vcls |
1349 |
|
*/ |
1350 |
|
|
1351 |
|
static VCL_SUB wrong = NULL; |
1352 |
|
|
1353 |
|
VCL_VOID v_matchproto_(td_xyzzy_bad_memory) |
1354 |
0 |
xyzzy_bad_memory(VRT_CTX, VCL_SUB sub) |
1355 |
|
{ |
1356 |
0 |
(void) ctx; |
1357 |
|
|
1358 |
0 |
wrong = sub; |
1359 |
0 |
} |
1360 |
|
|
1361 |
|
VCL_SUB v_matchproto_(td_xyzzy_total_recall) |
1362 |
0 |
xyzzy_total_recall(VRT_CTX) |
1363 |
|
{ |
1364 |
0 |
(void) ctx; |
1365 |
|
|
1366 |
0 |
return (wrong); |
1367 |
|
} |
1368 |
|
|
1369 |
|
/*---------------------------------------------------------------------*/ |
1370 |
|
|
1371 |
|
struct VPFX(debug_caller) { |
1372 |
|
unsigned magic; |
1373 |
|
#define DEBUG_CALLER_MAGIC 0xb47f3449 |
1374 |
|
VCL_SUB sub; |
1375 |
|
}; |
1376 |
|
|
1377 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_caller__init) |
1378 |
80 |
xyzzy_caller__init(VRT_CTX, struct VPFX(debug_caller) **callerp, |
1379 |
|
const char *name, VCL_SUB sub) |
1380 |
|
{ |
1381 |
|
struct VPFX(debug_caller) *caller; |
1382 |
|
|
1383 |
80 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1384 |
80 |
AN(callerp); |
1385 |
80 |
AZ(*callerp); |
1386 |
80 |
AN(name); |
1387 |
80 |
AN(sub); |
1388 |
|
|
1389 |
80 |
ALLOC_OBJ(caller, DEBUG_CALLER_MAGIC); |
1390 |
80 |
AN(caller); |
1391 |
80 |
*callerp = caller; |
1392 |
80 |
caller->sub = sub; |
1393 |
80 |
} |
1394 |
|
|
1395 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_caller__fini) |
1396 |
0 |
xyzzy_caller__fini(struct VPFX(debug_caller) **callerp) |
1397 |
|
{ |
1398 |
|
struct VPFX(debug_caller) *caller; |
1399 |
|
|
1400 |
0 |
if (callerp == NULL || *callerp == NULL) |
1401 |
0 |
return; |
1402 |
0 |
TAKE_OBJ_NOTNULL(caller, callerp, DEBUG_CALLER_MAGIC); |
1403 |
0 |
FREE_OBJ(caller); |
1404 |
0 |
} |
1405 |
|
|
1406 |
|
VCL_VOID v_matchproto_(td_xyzzy_debug_caller_call) |
1407 |
40 |
xyzzy_caller_call(VRT_CTX, struct VPFX(debug_caller) *caller) |
1408 |
|
{ |
1409 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1410 |
40 |
CHECK_OBJ_NOTNULL(caller, DEBUG_CALLER_MAGIC); |
1411 |
40 |
AN(caller->sub); |
1412 |
|
|
1413 |
40 |
VRT_call(ctx, caller->sub); |
1414 |
40 |
} |
1415 |
|
|
1416 |
|
VCL_SUB v_matchproto_(td_xyzzy_debug_caller_sub) |
1417 |
40 |
xyzzy_caller_xsub(VRT_CTX, struct VPFX(debug_caller) *caller) |
1418 |
|
{ |
1419 |
40 |
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC); |
1420 |
40 |
CHECK_OBJ_NOTNULL(caller, DEBUG_CALLER_MAGIC); |
1421 |
40 |
AN(caller->sub); |
1422 |
|
|
1423 |
40 |
return (caller->sub); |
1424 |
|
} |