mirror of
https://github.com/godotengine/godot.git
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be414e4476
This reverts commit 90210c4862
.
3480 lines
77 KiB
C
3480 lines
77 KiB
C
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010-2017 Andy Green <andy@warmcat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation:
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include "core/private.h"
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#ifdef LWS_HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef LWS_WITH_IPV6
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#if defined(WIN32) || defined(_WIN32)
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#include <wincrypt.h>
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#include <iphlpapi.h>
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#else
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#include <net/if.h>
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#endif
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#endif
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int log_level = LLL_ERR | LLL_WARN | LLL_NOTICE;
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static void (*lwsl_emit)(int level, const char *line)
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#ifndef LWS_PLAT_OPTEE
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= lwsl_emit_stderr
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#endif
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;
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#ifndef LWS_PLAT_OPTEE
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static const char * const log_level_names[] = {
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"ERR",
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"WARN",
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"NOTICE",
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"INFO",
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"DEBUG",
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"PARSER",
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"HEADER",
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"EXTENSION",
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"CLIENT",
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"LATENCY",
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"USER",
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"?",
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"?"
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};
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#endif
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int lws_open(const char *__file, int __oflag, ...)
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{
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va_list ap;
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int n;
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va_start(ap, __oflag);
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if (((__oflag & O_CREAT) == O_CREAT)
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#if defined(O_TMPFILE)
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|| ((__oflag & O_TMPFILE) == O_TMPFILE)
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#endif
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)
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/* last arg is really a mode_t. But windows... */
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n = open(__file, __oflag, va_arg(ap, uint32_t));
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else
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n = open(__file, __oflag);
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va_end(ap);
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lws_plat_apply_FD_CLOEXEC(n);
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return n;
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}
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#if defined (_DEBUG)
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void lwsi_set_role(struct lws *wsi, lws_wsi_state_t role)
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{
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wsi->wsistate = (wsi->wsistate & (~LWSI_ROLE_MASK)) | role;
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lwsl_debug("lwsi_set_role(%p, 0x%x)\n", wsi, wsi->wsistate);
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}
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void lwsi_set_state(struct lws *wsi, lws_wsi_state_t lrs)
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{
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wsi->wsistate = (wsi->wsistate & (~LRS_MASK)) | lrs;
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lwsl_debug("lwsi_set_state(%p, 0x%x)\n", wsi, wsi->wsistate);
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}
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#endif
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signed char char_to_hex(const char c)
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{
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if (c >= '0' && c <= '9')
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return c - '0';
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if (c >= 'a' && c <= 'f')
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return c - 'a' + 10;
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if (c >= 'A' && c <= 'F')
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return c - 'A' + 10;
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return -1;
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}
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void
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__lws_free_wsi(struct lws *wsi)
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{
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if (!wsi)
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return;
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/*
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* Protocol user data may be allocated either internally by lws
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* or by specified the user. We should only free what we allocated.
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*/
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if (wsi->protocol && wsi->protocol->per_session_data_size &&
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wsi->user_space && !wsi->user_space_externally_allocated)
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lws_free(wsi->user_space);
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lws_buflist_destroy_all_segments(&wsi->buflist);
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lws_free_set_NULL(wsi->trunc_alloc);
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lws_free_set_NULL(wsi->udp);
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if (wsi->vhost && wsi->vhost->lserv_wsi == wsi)
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wsi->vhost->lserv_wsi = NULL;
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// lws_peer_dump_from_wsi(wsi);
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if (wsi->role_ops->destroy_role)
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wsi->role_ops->destroy_role(wsi);
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#if defined(LWS_WITH_PEER_LIMITS)
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lws_peer_track_wsi_close(wsi->context, wsi->peer);
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wsi->peer = NULL;
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#endif
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/* since we will destroy the wsi, make absolutely sure now */
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#if defined(LWS_WITH_OPENSSL)
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__lws_ssl_remove_wsi_from_buffered_list(wsi);
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#endif
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__lws_remove_from_timeout_list(wsi);
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if (wsi->context->event_loop_ops->destroy_wsi)
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wsi->context->event_loop_ops->destroy_wsi(wsi);
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wsi->context->count_wsi_allocated--;
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lwsl_debug("%s: %p, remaining wsi %d\n", __func__, wsi,
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wsi->context->count_wsi_allocated);
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lws_free(wsi);
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}
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void
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lws_dll_add_front(struct lws_dll *d, struct lws_dll *phead)
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{
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if (d->prev)
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return;
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/* our next guy is current first guy */
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d->next = phead->next;
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/* if there is a next guy, set his prev ptr to our next ptr */
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if (d->next)
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d->next->prev = d;
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/* our prev ptr is first ptr */
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d->prev = phead;
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/* set the first guy to be us */
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phead->next = d;
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}
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/* situation is:
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*
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* HEAD: struct lws_dll * = &entry1
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*
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* Entry 1: struct lws_dll .pprev = &HEAD , .next = Entry 2
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* Entry 2: struct lws_dll .pprev = &entry1 , .next = &entry2
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* Entry 3: struct lws_dll .pprev = &entry2 , .next = NULL
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*
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* Delete Entry1:
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*
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* - HEAD = &entry2
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* - Entry2: .pprev = &HEAD, .next = &entry3
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* - Entry3: .pprev = &entry2, .next = NULL
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*
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* Delete Entry2:
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*
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* - HEAD = &entry1
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* - Entry1: .pprev = &HEAD, .next = &entry3
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* - Entry3: .pprev = &entry1, .next = NULL
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*
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* Delete Entry3:
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*
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* - HEAD = &entry1
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* - Entry1: .pprev = &HEAD, .next = &entry2
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* - Entry2: .pprev = &entry1, .next = NULL
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*
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*/
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void
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lws_dll_remove(struct lws_dll *d)
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{
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if (!d->prev) /* ie, not part of the list */
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return;
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/*
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* remove us
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*
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* USp <-> us <-> USn --> USp <-> USn
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*/
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/* if we have a next guy, set his prev to our prev */
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if (d->next)
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d->next->prev = d->prev;
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/* set our prev guy to our next guy instead of us */
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if (d->prev)
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d->prev->next = d->next;
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/* we're out of the list, we should not point anywhere any more */
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d->prev = NULL;
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d->next = NULL;
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}
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void
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__lws_remove_from_timeout_list(struct lws *wsi)
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{
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lws_dll_lws_remove(&wsi->dll_timeout);
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}
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void
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lws_remove_from_timeout_list(struct lws *wsi)
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{
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struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
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lws_pt_lock(pt, __func__);
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__lws_remove_from_timeout_list(wsi);
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lws_pt_unlock(pt);
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}
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void
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lws_dll_dump(struct lws_dll_lws *head, const char *title)
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{
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int n = 0;
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(void)n;
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lwsl_notice("%s: %s (head.next %p)\n", __func__, title, head->next);
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lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1, head->next) {
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struct lws *wsi = lws_container_of(d, struct lws, dll_hrtimer);
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(void)wsi;
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lwsl_notice(" %d: wsi %p: %llu\n", n++, wsi,
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(unsigned long long)wsi->pending_timer);
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} lws_end_foreach_dll_safe(d, d1);
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}
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void
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__lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs)
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{
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struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
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struct lws_dll_lws *dd = &pt->dll_head_hrtimer;
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struct timeval now;
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struct lws *wsi1;
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int bef = 0;
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lws_dll_lws_remove(&wsi->dll_hrtimer);
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if (usecs == LWS_SET_TIMER_USEC_CANCEL)
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return;
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gettimeofday(&now, NULL);
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wsi->pending_timer = ((now.tv_sec * 1000000ll) + now.tv_usec) + usecs;
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/*
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* we sort the hrtimer list with the earliest timeout first
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*/
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lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
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pt->dll_head_hrtimer.next) {
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dd = d;
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wsi1 = lws_container_of(d, struct lws, dll_hrtimer);
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if (wsi1->pending_timer >= wsi->pending_timer) {
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/* d, dprev's next, is >= our time */
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bef = 1;
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break;
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}
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} lws_end_foreach_dll_safe(d, d1);
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if (bef) {
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/*
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* we go before dd
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* DDp <-> DD <-> DDn --> DDp <-> us <-> DD <-> DDn
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*/
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/* we point forward to dd */
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wsi->dll_hrtimer.next = dd;
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/* we point back to what dd used to point back to */
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wsi->dll_hrtimer.prev = dd->prev;
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/* DDp points forward to us now */
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dd->prev->next = &wsi->dll_hrtimer;
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/* DD points back to us now */
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dd->prev = &wsi->dll_hrtimer;
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} else {
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/*
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* we go after dd
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* DDp <-> DD <-> DDn --> DDp <-> DD <-> us <-> DDn
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*/
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/* we point forward to what dd used to point forward to */
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wsi->dll_hrtimer.next = dd->next;
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/* we point back to dd */
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wsi->dll_hrtimer.prev = dd;
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/* DDn points back to us */
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if (dd->next)
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dd->next->prev = &wsi->dll_hrtimer;
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/* DD points forward to us */
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dd->next = &wsi->dll_hrtimer;
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}
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// lws_dll_dump(&pt->dll_head_hrtimer, "after set_timer_usec");
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}
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LWS_VISIBLE void
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lws_set_timer_usecs(struct lws *wsi, lws_usec_t usecs)
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{
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__lws_set_timer_usecs(wsi, usecs);
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}
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lws_usec_t
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__lws_hrtimer_service(struct lws_context_per_thread *pt)
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{
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struct timeval now;
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struct lws *wsi;
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lws_usec_t t;
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gettimeofday(&now, NULL);
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t = (now.tv_sec * 1000000ll) + now.tv_usec;
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lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
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pt->dll_head_hrtimer.next) {
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wsi = lws_container_of(d, struct lws, dll_hrtimer);
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/*
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* if we met one in the future, we are done, because the list
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* is sorted by time in the future.
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*/
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if (wsi->pending_timer > t)
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break;
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lws_set_timer_usecs(wsi, LWS_SET_TIMER_USEC_CANCEL);
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/* it's time for the timer to be serviced */
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if (wsi->protocol &&
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wsi->protocol->callback(wsi, LWS_CALLBACK_TIMER,
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wsi->user_space, NULL, 0))
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__lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS,
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"timer cb errored");
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} lws_end_foreach_dll_safe(d, d1);
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/* return an estimate how many us until next timer hit */
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if (!pt->dll_head_hrtimer.next)
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return LWS_HRTIMER_NOWAIT;
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wsi = lws_container_of(pt->dll_head_hrtimer.next, struct lws, dll_hrtimer);
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gettimeofday(&now, NULL);
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t = (now.tv_sec * 1000000ll) + now.tv_usec;
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if (wsi->pending_timer < t)
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return 0;
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return wsi->pending_timer - t;
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}
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void
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__lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs)
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{
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struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
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time_t now;
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time(&now);
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lwsl_debug("%s: %p: %d secs\n", __func__, wsi, secs);
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wsi->pending_timeout_limit = secs;
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wsi->pending_timeout_set = now;
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wsi->pending_timeout = reason;
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if (!reason)
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lws_dll_lws_remove(&wsi->dll_timeout);
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else
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lws_dll_lws_add_front(&wsi->dll_timeout, &pt->dll_head_timeout);
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}
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LWS_VISIBLE void
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lws_set_timeout(struct lws *wsi, enum pending_timeout reason, int secs)
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{
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struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
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if (secs == LWS_TO_KILL_SYNC) {
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lws_remove_from_timeout_list(wsi);
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lwsl_debug("synchronously killing %p\n", wsi);
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lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS, "to sync kill");
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return;
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}
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if (secs == LWS_TO_KILL_ASYNC)
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secs = 0;
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lws_pt_lock(pt, __func__);
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__lws_set_timeout(wsi, reason, secs);
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lws_pt_unlock(pt);
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}
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int
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lws_timed_callback_remove(struct lws_vhost *vh, struct lws_timed_vh_protocol *p)
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{
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lws_start_foreach_llp(struct lws_timed_vh_protocol **, pt,
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vh->timed_vh_protocol_list) {
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if (*pt == p) {
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*pt = p->next;
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lws_free(p);
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return 0;
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}
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} lws_end_foreach_llp(pt, next);
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return 1;
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}
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LWS_VISIBLE LWS_EXTERN int
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lws_timed_callback_vh_protocol(struct lws_vhost *vh, const struct lws_protocols *prot,
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int reason, int secs)
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{
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struct lws_timed_vh_protocol *p = (struct lws_timed_vh_protocol *)
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lws_malloc(sizeof(*p), "timed_vh");
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if (!p)
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return 1;
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p->protocol = prot;
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p->reason = reason;
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p->time = lws_now_secs() + secs;
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p->next = vh->timed_vh_protocol_list;
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vh->timed_vh_protocol_list = p;
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return 0;
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}
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static void
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lws_remove_child_from_any_parent(struct lws *wsi)
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{
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struct lws **pwsi;
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int seen = 0;
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if (!wsi->parent)
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return;
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/* detach ourselves from parent's child list */
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pwsi = &wsi->parent->child_list;
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while (*pwsi) {
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if (*pwsi == wsi) {
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lwsl_info("%s: detach %p from parent %p\n", __func__,
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wsi, wsi->parent);
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if (wsi->parent->protocol)
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wsi->parent->protocol->callback(wsi,
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LWS_CALLBACK_CHILD_CLOSING,
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wsi->parent->user_space, wsi, 0);
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*pwsi = wsi->sibling_list;
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seen = 1;
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break;
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}
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pwsi = &(*pwsi)->sibling_list;
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}
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if (!seen)
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lwsl_err("%s: failed to detach from parent\n", __func__);
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wsi->parent = NULL;
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}
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int
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lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p)
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{
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// if (wsi->protocol == p)
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// return 0;
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const struct lws_protocols *vp = wsi->vhost->protocols, *vpo;
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if (wsi->protocol && wsi->protocol_bind_balance) {
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wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_DROP_PROTOCOL,
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wsi->user_space, NULL, 0);
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wsi->protocol_bind_balance = 0;
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}
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if (!wsi->user_space_externally_allocated)
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lws_free_set_NULL(wsi->user_space);
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lws_same_vh_protocol_remove(wsi);
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|
|
|
wsi->protocol = p;
|
|
if (!p)
|
|
return 0;
|
|
|
|
if (lws_ensure_user_space(wsi))
|
|
return 1;
|
|
|
|
if (p > vp && p < &vp[wsi->vhost->count_protocols])
|
|
lws_same_vh_protocol_insert(wsi, (int)(p - vp));
|
|
else {
|
|
int n = wsi->vhost->count_protocols;
|
|
int hit = 0;
|
|
|
|
vpo = vp;
|
|
|
|
while (n--) {
|
|
if (p->name && vp->name && !strcmp(p->name, vp->name)) {
|
|
hit = 1;
|
|
lws_same_vh_protocol_insert(wsi, (int)(vp - vpo));
|
|
break;
|
|
}
|
|
vp++;
|
|
}
|
|
if (!hit)
|
|
lwsl_err("%s: %p is not in vhost '%s' protocols list\n",
|
|
__func__, p, wsi->vhost->name);
|
|
}
|
|
|
|
if (wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_BIND_PROTOCOL,
|
|
wsi->user_space, NULL, 0))
|
|
return 1;
|
|
|
|
wsi->protocol_bind_balance = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
__lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *caller)
|
|
{
|
|
struct lws_context_per_thread *pt;
|
|
struct lws *wsi1, *wsi2;
|
|
struct lws_context *context;
|
|
int n;
|
|
|
|
lwsl_info("%s: %p: caller: %s\n", __func__, wsi, caller);
|
|
|
|
if (!wsi)
|
|
return;
|
|
|
|
lws_access_log(wsi);
|
|
|
|
context = wsi->context;
|
|
pt = &context->pt[(int)wsi->tsi];
|
|
lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_API_CLOSE, 1);
|
|
|
|
#if !defined(LWS_NO_CLIENT)
|
|
|
|
lws_free_set_NULL(wsi->client_hostname_copy);
|
|
/* we are no longer an active client connection that can piggyback */
|
|
lws_dll_lws_remove(&wsi->dll_active_client_conns);
|
|
|
|
/*
|
|
* if we have wsi in our transaction queue, if we are closing we
|
|
* must go through and close all those first
|
|
*/
|
|
if (wsi->vhost) {
|
|
if ((int)reason != -1)
|
|
lws_vhost_lock(wsi->vhost);
|
|
lws_start_foreach_dll_safe(struct lws_dll_lws *, d, d1,
|
|
wsi->dll_client_transaction_queue_head.next) {
|
|
struct lws *w = lws_container_of(d, struct lws,
|
|
dll_client_transaction_queue);
|
|
|
|
__lws_close_free_wsi(w, -1, "trans q leader closing");
|
|
} lws_end_foreach_dll_safe(d, d1);
|
|
|
|
/*
|
|
* !!! If we are closing, but we have pending pipelined transaction
|
|
* results we already sent headers for, that's going to destroy sync
|
|
* for HTTP/1 and leave H2 stream with no live swsi.
|
|
*
|
|
* However this is normal if we are being closed because the transaction
|
|
* queue leader is closing.
|
|
*/
|
|
lws_dll_lws_remove(&wsi->dll_client_transaction_queue);
|
|
if ((int)reason !=-1)
|
|
lws_vhost_unlock(wsi->vhost);
|
|
}
|
|
#endif
|
|
|
|
/* if we have children, close them first */
|
|
if (wsi->child_list) {
|
|
wsi2 = wsi->child_list;
|
|
while (wsi2) {
|
|
wsi1 = wsi2->sibling_list;
|
|
wsi2->parent = NULL;
|
|
/* stop it doing shutdown processing */
|
|
wsi2->socket_is_permanently_unusable = 1;
|
|
__lws_close_free_wsi(wsi2, reason, "general child recurse");
|
|
wsi2 = wsi1;
|
|
}
|
|
wsi->child_list = NULL;
|
|
}
|
|
|
|
if (wsi->role_ops == &role_ops_raw_file) {
|
|
lws_remove_child_from_any_parent(wsi);
|
|
__remove_wsi_socket_from_fds(wsi);
|
|
wsi->protocol->callback(wsi, wsi->role_ops->close_cb[0],
|
|
wsi->user_space, NULL, 0);
|
|
goto async_close;
|
|
}
|
|
|
|
wsi->wsistate_pre_close = wsi->wsistate;
|
|
|
|
#ifdef LWS_WITH_CGI
|
|
if (wsi->role_ops == &role_ops_cgi) {
|
|
/* we are not a network connection, but a handler for CGI io */
|
|
if (wsi->parent && wsi->parent->http.cgi) {
|
|
|
|
if (wsi->cgi_channel == LWS_STDOUT)
|
|
lws_cgi_remove_and_kill(wsi->parent);
|
|
|
|
/* end the binding between us and master */
|
|
wsi->parent->http.cgi->stdwsi[(int)wsi->cgi_channel] = NULL;
|
|
}
|
|
wsi->socket_is_permanently_unusable = 1;
|
|
|
|
goto just_kill_connection;
|
|
}
|
|
|
|
if (wsi->http.cgi)
|
|
lws_cgi_remove_and_kill(wsi);
|
|
#endif
|
|
|
|
#if !defined(LWS_NO_CLIENT)
|
|
lws_client_stash_destroy(wsi);
|
|
#endif
|
|
|
|
if (wsi->role_ops == &role_ops_raw_skt) {
|
|
wsi->socket_is_permanently_unusable = 1;
|
|
goto just_kill_connection;
|
|
}
|
|
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
|
|
if (lwsi_role_http(wsi) && lwsi_role_server(wsi) &&
|
|
wsi->http.fop_fd != NULL)
|
|
lws_vfs_file_close(&wsi->http.fop_fd);
|
|
#endif
|
|
|
|
if (lwsi_state(wsi) == LRS_DEAD_SOCKET)
|
|
return;
|
|
|
|
if (wsi->socket_is_permanently_unusable ||
|
|
reason == LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY ||
|
|
lwsi_state(wsi) == LRS_SHUTDOWN)
|
|
goto just_kill_connection;
|
|
|
|
switch (lwsi_state_PRE_CLOSE(wsi)) {
|
|
case LRS_DEAD_SOCKET:
|
|
return;
|
|
|
|
/* we tried the polite way... */
|
|
case LRS_WAITING_TO_SEND_CLOSE:
|
|
case LRS_AWAITING_CLOSE_ACK:
|
|
case LRS_RETURNED_CLOSE:
|
|
goto just_kill_connection;
|
|
|
|
case LRS_FLUSHING_BEFORE_CLOSE:
|
|
if (wsi->trunc_len) {
|
|
lws_callback_on_writable(wsi);
|
|
return;
|
|
}
|
|
lwsl_info("%p: end LRS_FLUSHING_BEFORE_CLOSE\n", wsi);
|
|
goto just_kill_connection;
|
|
default:
|
|
if (wsi->trunc_len) {
|
|
lwsl_info("%p: LRS_FLUSHING_BEFORE_CLOSE\n", wsi);
|
|
lwsi_set_state(wsi, LRS_FLUSHING_BEFORE_CLOSE);
|
|
__lws_set_timeout(wsi,
|
|
PENDING_FLUSH_STORED_SEND_BEFORE_CLOSE, 5);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (lwsi_state(wsi) == LRS_WAITING_CONNECT ||
|
|
lwsi_state(wsi) == LRS_H1C_ISSUE_HANDSHAKE)
|
|
goto just_kill_connection;
|
|
|
|
if (!wsi->told_user_closed && lwsi_role_http(wsi) &&
|
|
lwsi_role_server(wsi)) {
|
|
if (wsi->user_space && wsi->protocol &&
|
|
wsi->protocol_bind_balance) {
|
|
wsi->protocol->callback(wsi,
|
|
LWS_CALLBACK_HTTP_DROP_PROTOCOL,
|
|
wsi->user_space, NULL, 0);
|
|
wsi->protocol_bind_balance = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* signal we are closing, lws_write will
|
|
* add any necessary version-specific stuff. If the write fails,
|
|
* no worries we are closing anyway. If we didn't initiate this
|
|
* close, then our state has been changed to
|
|
* LRS_RETURNED_CLOSE and we will skip this.
|
|
*
|
|
* Likewise if it's a second call to close this connection after we
|
|
* sent the close indication to the peer already, we are in state
|
|
* LRS_AWAITING_CLOSE_ACK and will skip doing this a second time.
|
|
*/
|
|
|
|
if (wsi->role_ops->close_via_role_protocol &&
|
|
wsi->role_ops->close_via_role_protocol(wsi, reason))
|
|
return;
|
|
|
|
just_kill_connection:
|
|
|
|
if (wsi->role_ops->close_kill_connection)
|
|
wsi->role_ops->close_kill_connection(wsi, reason);
|
|
|
|
lws_remove_child_from_any_parent(wsi);
|
|
n = 0;
|
|
|
|
if (!wsi->told_user_closed && wsi->user_space &&
|
|
wsi->protocol_bind_balance) {
|
|
lwsl_debug("%s: %p: DROP_PROTOCOL %s\n", __func__, wsi,
|
|
wsi->protocol->name);
|
|
wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_DROP_PROTOCOL,
|
|
wsi->user_space, NULL, 0);
|
|
wsi->protocol_bind_balance = 0;
|
|
}
|
|
|
|
if ((lwsi_state(wsi) == LRS_WAITING_SERVER_REPLY ||
|
|
lwsi_state(wsi) == LRS_WAITING_CONNECT) && !wsi->already_did_cce)
|
|
wsi->protocol->callback(wsi,
|
|
LWS_CALLBACK_CLIENT_CONNECTION_ERROR,
|
|
wsi->user_space, NULL, 0);
|
|
|
|
/*
|
|
* Testing with ab shows that we have to stage the socket close when
|
|
* the system is under stress... shutdown any further TX, change the
|
|
* state to one that won't emit anything more, and wait with a timeout
|
|
* for the POLLIN to show a zero-size rx before coming back and doing
|
|
* the actual close.
|
|
*/
|
|
if (wsi->role_ops != &role_ops_raw_skt && !lwsi_role_client(wsi) &&
|
|
lwsi_state(wsi) != LRS_SHUTDOWN &&
|
|
lwsi_state(wsi) != LRS_UNCONNECTED &&
|
|
reason != LWS_CLOSE_STATUS_NOSTATUS_CONTEXT_DESTROY &&
|
|
!wsi->socket_is_permanently_unusable) {
|
|
|
|
#if defined(LWS_WITH_TLS)
|
|
if (lws_is_ssl(wsi) && wsi->tls.ssl) {
|
|
n = 0;
|
|
switch (__lws_tls_shutdown(wsi)) {
|
|
case LWS_SSL_CAPABLE_DONE:
|
|
case LWS_SSL_CAPABLE_ERROR:
|
|
case LWS_SSL_CAPABLE_MORE_SERVICE_READ:
|
|
case LWS_SSL_CAPABLE_MORE_SERVICE_WRITE:
|
|
case LWS_SSL_CAPABLE_MORE_SERVICE:
|
|
break;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
lwsl_info("%s: shutdown conn: %p (sock %d, state 0x%x)\n",
|
|
__func__, wsi, (int)(long)wsi->desc.sockfd,
|
|
lwsi_state(wsi));
|
|
if (!wsi->socket_is_permanently_unusable &&
|
|
lws_socket_is_valid(wsi->desc.sockfd)) {
|
|
wsi->socket_is_permanently_unusable = 1;
|
|
n = shutdown(wsi->desc.sockfd, SHUT_WR);
|
|
}
|
|
}
|
|
if (n)
|
|
lwsl_debug("closing: shutdown (state 0x%x) ret %d\n",
|
|
lwsi_state(wsi), LWS_ERRNO);
|
|
|
|
/*
|
|
* This causes problems on WINCE / ESP32 with disconnection
|
|
* when the events are half closing connection
|
|
*/
|
|
#if !defined(_WIN32_WCE) && !defined(LWS_WITH_ESP32)
|
|
/* libuv: no event available to guarantee completion */
|
|
if (!wsi->socket_is_permanently_unusable &&
|
|
lws_socket_is_valid(wsi->desc.sockfd) &&
|
|
lwsi_state(wsi) != LRS_SHUTDOWN &&
|
|
context->event_loop_ops->periodic_events_available) {
|
|
__lws_change_pollfd(wsi, LWS_POLLOUT, LWS_POLLIN);
|
|
lwsi_set_state(wsi, LRS_SHUTDOWN);
|
|
__lws_set_timeout(wsi, PENDING_TIMEOUT_SHUTDOWN_FLUSH,
|
|
context->timeout_secs);
|
|
|
|
return;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
lwsl_debug("%s: real just_kill_connection: %p (sockfd %d)\n", __func__,
|
|
wsi, wsi->desc.sockfd);
|
|
|
|
#ifdef LWS_WITH_HTTP_PROXY
|
|
if (wsi->http.rw) {
|
|
lws_rewrite_destroy(wsi->http.rw);
|
|
wsi->http.rw = NULL;
|
|
}
|
|
#endif
|
|
/*
|
|
* we won't be servicing or receiving anything further from this guy
|
|
* delete socket from the internal poll list if still present
|
|
*/
|
|
__lws_ssl_remove_wsi_from_buffered_list(wsi);
|
|
__lws_remove_from_timeout_list(wsi);
|
|
lws_dll_lws_remove(&wsi->dll_hrtimer);
|
|
|
|
/* don't repeat event loop stuff */
|
|
if (wsi->told_event_loop_closed)
|
|
return;
|
|
|
|
/* checking return redundant since we anyway close */
|
|
if (wsi->desc.sockfd != LWS_SOCK_INVALID)
|
|
__remove_wsi_socket_from_fds(wsi);
|
|
else
|
|
lws_same_vh_protocol_remove(wsi);
|
|
|
|
lwsi_set_state(wsi, LRS_DEAD_SOCKET);
|
|
lws_buflist_destroy_all_segments(&wsi->buflist);
|
|
lws_dll_lws_remove(&wsi->dll_buflist);
|
|
|
|
if (wsi->role_ops->close_role)
|
|
wsi->role_ops->close_role(pt, wsi);
|
|
|
|
/* tell the user it's all over for this guy */
|
|
|
|
if (lwsi_state_est_PRE_CLOSE(wsi) && !wsi->told_user_closed &&
|
|
wsi->role_ops->close_cb[lwsi_role_server(wsi)]) {
|
|
const struct lws_protocols *pro = wsi->protocol;
|
|
|
|
if (!wsi->protocol)
|
|
pro = &wsi->vhost->protocols[0];
|
|
|
|
if (!wsi->upgraded_to_http2 || !lwsi_role_client(wsi))
|
|
/*
|
|
* The network wsi for a client h2 connection shouldn't
|
|
* call back for its role: the child stream connections
|
|
* own the role. Otherwise h2 will call back closed
|
|
* one too many times as the children do it and then
|
|
* the closing network stream.
|
|
*/
|
|
pro->callback(wsi,
|
|
wsi->role_ops->close_cb[lwsi_role_server(wsi)],
|
|
wsi->user_space, NULL, 0);
|
|
wsi->told_user_closed = 1;
|
|
}
|
|
|
|
async_close:
|
|
wsi->socket_is_permanently_unusable = 1;
|
|
|
|
if (wsi->context->event_loop_ops->wsi_logical_close)
|
|
if (wsi->context->event_loop_ops->wsi_logical_close(wsi))
|
|
return;
|
|
|
|
__lws_close_free_wsi_final(wsi);
|
|
}
|
|
|
|
void
|
|
__lws_close_free_wsi_final(struct lws *wsi)
|
|
{
|
|
int n;
|
|
|
|
if (lws_socket_is_valid(wsi->desc.sockfd) && !lws_ssl_close(wsi)) {
|
|
n = compatible_close(wsi->desc.sockfd);
|
|
if (n)
|
|
lwsl_debug("closing: close ret %d\n", LWS_ERRNO);
|
|
|
|
wsi->desc.sockfd = LWS_SOCK_INVALID;
|
|
}
|
|
|
|
/* outermost destroy notification for wsi (user_space still intact) */
|
|
if (wsi->vhost)
|
|
wsi->vhost->protocols[0].callback(wsi, LWS_CALLBACK_WSI_DESTROY,
|
|
wsi->user_space, NULL, 0);
|
|
|
|
#ifdef LWS_WITH_CGI
|
|
if (wsi->http.cgi) {
|
|
|
|
for (n = 0; n < 3; n++) {
|
|
if (wsi->http.cgi->pipe_fds[n][!!(n == 0)] == 0)
|
|
lwsl_err("ZERO FD IN CGI CLOSE");
|
|
|
|
if (wsi->http.cgi->pipe_fds[n][!!(n == 0)] >= 0)
|
|
close(wsi->http.cgi->pipe_fds[n][!!(n == 0)]);
|
|
}
|
|
|
|
lws_free(wsi->http.cgi);
|
|
}
|
|
#endif
|
|
|
|
__lws_free_wsi(wsi);
|
|
}
|
|
|
|
|
|
void
|
|
lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *caller)
|
|
{
|
|
struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
|
|
|
|
lws_pt_lock(pt, __func__);
|
|
__lws_close_free_wsi(wsi, reason, caller);
|
|
lws_pt_unlock(pt);
|
|
}
|
|
|
|
/* lws_buflist */
|
|
|
|
int
|
|
lws_buflist_append_segment(struct lws_buflist **head, const uint8_t *buf,
|
|
size_t len)
|
|
{
|
|
struct lws_buflist *nbuf;
|
|
int first = !*head;
|
|
void *p = *head;
|
|
int sanity = 1024;
|
|
|
|
assert(buf);
|
|
assert(len);
|
|
|
|
/* append at the tail */
|
|
while (*head) {
|
|
if (!--sanity || head == &((*head)->next)) {
|
|
lwsl_err("%s: corrupt list points to self\n", __func__);
|
|
return -1;
|
|
}
|
|
head = &((*head)->next);
|
|
}
|
|
|
|
lwsl_info("%s: len %u first %d %p\n", __func__, (uint32_t)len, first, p);
|
|
|
|
nbuf = (struct lws_buflist *)
|
|
lws_malloc(sizeof(**head) + len, __func__);
|
|
if (!nbuf) {
|
|
lwsl_err("%s: OOM\n", __func__);
|
|
return -1;
|
|
}
|
|
|
|
nbuf->len = len;
|
|
nbuf->pos = 0;
|
|
nbuf->next = NULL;
|
|
|
|
p = (void *)nbuf->buf;
|
|
memcpy(p, buf, len);
|
|
|
|
*head = nbuf;
|
|
|
|
return first; /* returns 1 if first segment just created */
|
|
}
|
|
|
|
static int
|
|
lws_buflist_destroy_segment(struct lws_buflist **head)
|
|
{
|
|
struct lws_buflist *old = *head;
|
|
|
|
assert(*head);
|
|
*head = (*head)->next;
|
|
old->next = NULL;
|
|
lws_free(old);
|
|
|
|
return !*head; /* returns 1 if last segment just destroyed */
|
|
}
|
|
|
|
void
|
|
lws_buflist_destroy_all_segments(struct lws_buflist **head)
|
|
{
|
|
struct lws_buflist *p = *head, *p1;
|
|
|
|
while (p) {
|
|
p1 = p->next;
|
|
p->next = NULL;
|
|
lws_free(p);
|
|
p = p1;
|
|
}
|
|
|
|
*head = NULL;
|
|
}
|
|
|
|
size_t
|
|
lws_buflist_next_segment_len(struct lws_buflist **head, uint8_t **buf)
|
|
{
|
|
if (!*head) {
|
|
if (buf)
|
|
*buf = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
if (!(*head)->len && (*head)->next)
|
|
lws_buflist_destroy_segment(head);
|
|
|
|
if (!*head) {
|
|
if (buf)
|
|
*buf = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
assert((*head)->pos < (*head)->len);
|
|
|
|
if (buf)
|
|
*buf = (*head)->buf + (*head)->pos;
|
|
|
|
return (*head)->len - (*head)->pos;
|
|
}
|
|
|
|
int
|
|
lws_buflist_use_segment(struct lws_buflist **head, size_t len)
|
|
{
|
|
assert(*head);
|
|
assert(len);
|
|
assert((*head)->pos + len <= (*head)->len);
|
|
|
|
(*head)->pos += len;
|
|
if ((*head)->pos == (*head)->len)
|
|
lws_buflist_destroy_segment(head);
|
|
|
|
if (!*head)
|
|
return 0;
|
|
|
|
return (int)((*head)->len - (*head)->pos);
|
|
}
|
|
|
|
void
|
|
lws_buflist_describe(struct lws_buflist **head, void *id)
|
|
{
|
|
struct lws_buflist *old;
|
|
int n = 0;
|
|
|
|
if (*head == NULL)
|
|
lwsl_notice("%p: buflist empty\n", id);
|
|
|
|
while (*head) {
|
|
lwsl_notice("%p: %d: %llu / %llu (%llu left)\n", id, n,
|
|
(unsigned long long)(*head)->pos,
|
|
(unsigned long long)(*head)->len,
|
|
(unsigned long long)(*head)->len - (*head)->pos);
|
|
old = *head;
|
|
head = &((*head)->next);
|
|
if (*head == old) {
|
|
lwsl_err("%s: next points to self\n", __func__);
|
|
break;
|
|
}
|
|
n++;
|
|
}
|
|
}
|
|
|
|
/* ... */
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_get_urlarg_by_name(struct lws *wsi, const char *name, char *buf, int len)
|
|
{
|
|
int n = 0, sl = (int)strlen(name);
|
|
|
|
while (lws_hdr_copy_fragment(wsi, buf, len,
|
|
WSI_TOKEN_HTTP_URI_ARGS, n) >= 0) {
|
|
|
|
if (!strncmp(buf, name, sl))
|
|
return buf + sl;
|
|
|
|
n++;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#if !defined(LWS_WITH_ESP32)
|
|
LWS_VISIBLE int
|
|
interface_to_sa(struct lws_vhost *vh, const char *ifname,
|
|
struct sockaddr_in *addr, size_t addrlen)
|
|
{
|
|
int ipv6 = 0;
|
|
#ifdef LWS_WITH_IPV6
|
|
ipv6 = LWS_IPV6_ENABLED(vh);
|
|
#endif
|
|
(void)vh;
|
|
|
|
return lws_interface_to_sa(ipv6, ifname, addr, addrlen);
|
|
}
|
|
#endif
|
|
|
|
#ifndef LWS_PLAT_OPTEE
|
|
static int
|
|
lws_get_addresses(struct lws_vhost *vh, void *ads, char *name,
|
|
int name_len, char *rip, int rip_len)
|
|
{
|
|
struct addrinfo ai, *res;
|
|
struct sockaddr_in addr4;
|
|
|
|
rip[0] = '\0';
|
|
name[0] = '\0';
|
|
addr4.sin_family = AF_UNSPEC;
|
|
|
|
#ifdef LWS_WITH_IPV6
|
|
if (LWS_IPV6_ENABLED(vh)) {
|
|
if (!lws_plat_inet_ntop(AF_INET6,
|
|
&((struct sockaddr_in6 *)ads)->sin6_addr,
|
|
rip, rip_len)) {
|
|
lwsl_err("inet_ntop: %s", strerror(LWS_ERRNO));
|
|
return -1;
|
|
}
|
|
|
|
// Strip off the IPv4 to IPv6 header if one exists
|
|
if (strncmp(rip, "::ffff:", 7) == 0)
|
|
memmove(rip, rip + 7, strlen(rip) - 6);
|
|
|
|
getnameinfo((struct sockaddr *)ads, sizeof(struct sockaddr_in6),
|
|
name, name_len, NULL, 0, 0);
|
|
|
|
return 0;
|
|
} else
|
|
#endif
|
|
{
|
|
struct addrinfo *result;
|
|
|
|
memset(&ai, 0, sizeof ai);
|
|
ai.ai_family = PF_UNSPEC;
|
|
ai.ai_socktype = SOCK_STREAM;
|
|
#if !defined(LWS_WITH_ESP32)
|
|
if (getnameinfo((struct sockaddr *)ads,
|
|
sizeof(struct sockaddr_in),
|
|
name, name_len, NULL, 0, 0))
|
|
return -1;
|
|
#endif
|
|
|
|
if (getaddrinfo(name, NULL, &ai, &result))
|
|
return -1;
|
|
|
|
res = result;
|
|
while (addr4.sin_family == AF_UNSPEC && res) {
|
|
switch (res->ai_family) {
|
|
case AF_INET:
|
|
addr4.sin_addr =
|
|
((struct sockaddr_in *)res->ai_addr)->sin_addr;
|
|
addr4.sin_family = AF_INET;
|
|
break;
|
|
}
|
|
|
|
res = res->ai_next;
|
|
}
|
|
freeaddrinfo(result);
|
|
}
|
|
|
|
if (addr4.sin_family == AF_UNSPEC)
|
|
return -1;
|
|
|
|
if (lws_plat_inet_ntop(AF_INET, &addr4.sin_addr, rip, rip_len) == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
LWS_VISIBLE const char *
|
|
lws_get_peer_simple(struct lws *wsi, char *name, int namelen)
|
|
{
|
|
socklen_t len, olen;
|
|
#ifdef LWS_WITH_IPV6
|
|
struct sockaddr_in6 sin6;
|
|
#endif
|
|
struct sockaddr_in sin4;
|
|
int af = AF_INET;
|
|
void *p, *q;
|
|
|
|
wsi = lws_get_network_wsi(wsi);
|
|
|
|
if (wsi->parent_carries_io)
|
|
wsi = wsi->parent;
|
|
|
|
#ifdef LWS_WITH_IPV6
|
|
if (LWS_IPV6_ENABLED(wsi->vhost)) {
|
|
len = sizeof(sin6);
|
|
p = &sin6;
|
|
af = AF_INET6;
|
|
q = &sin6.sin6_addr;
|
|
} else
|
|
#endif
|
|
{
|
|
len = sizeof(sin4);
|
|
p = &sin4;
|
|
q = &sin4.sin_addr;
|
|
}
|
|
|
|
olen = len;
|
|
if (getpeername(wsi->desc.sockfd, p, &len) < 0 || len > olen) {
|
|
lwsl_warn("getpeername: %s\n", strerror(LWS_ERRNO));
|
|
return NULL;
|
|
}
|
|
|
|
return lws_plat_inet_ntop(af, q, name, namelen);
|
|
}
|
|
#endif
|
|
|
|
LWS_VISIBLE void
|
|
lws_get_peer_addresses(struct lws *wsi, lws_sockfd_type fd, char *name,
|
|
int name_len, char *rip, int rip_len)
|
|
{
|
|
#ifndef LWS_PLAT_OPTEE
|
|
socklen_t len;
|
|
#ifdef LWS_WITH_IPV6
|
|
struct sockaddr_in6 sin6;
|
|
#endif
|
|
struct sockaddr_in sin4;
|
|
struct lws_context *context = wsi->context;
|
|
int ret = -1;
|
|
void *p;
|
|
|
|
rip[0] = '\0';
|
|
name[0] = '\0';
|
|
|
|
lws_latency_pre(context, wsi);
|
|
|
|
#ifdef LWS_WITH_IPV6
|
|
if (LWS_IPV6_ENABLED(wsi->vhost)) {
|
|
len = sizeof(sin6);
|
|
p = &sin6;
|
|
} else
|
|
#endif
|
|
{
|
|
len = sizeof(sin4);
|
|
p = &sin4;
|
|
}
|
|
|
|
if (getpeername(fd, p, &len) < 0) {
|
|
lwsl_warn("getpeername: %s\n", strerror(LWS_ERRNO));
|
|
goto bail;
|
|
}
|
|
|
|
ret = lws_get_addresses(wsi->vhost, p, name, name_len, rip, rip_len);
|
|
|
|
bail:
|
|
lws_latency(context, wsi, "lws_get_peer_addresses", ret, 1);
|
|
#endif
|
|
(void)wsi;
|
|
(void)fd;
|
|
(void)name;
|
|
(void)name_len;
|
|
(void)rip;
|
|
(void)rip_len;
|
|
|
|
}
|
|
|
|
LWS_EXTERN void *
|
|
lws_vhost_user(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->user;
|
|
}
|
|
|
|
LWS_EXTERN void *
|
|
lws_context_user(struct lws_context *context)
|
|
{
|
|
return context->user_space;
|
|
}
|
|
|
|
LWS_VISIBLE struct lws_vhost *
|
|
lws_vhost_get(struct lws *wsi)
|
|
{
|
|
return wsi->vhost;
|
|
}
|
|
|
|
LWS_VISIBLE struct lws_vhost *
|
|
lws_get_vhost(struct lws *wsi)
|
|
{
|
|
return wsi->vhost;
|
|
}
|
|
|
|
LWS_VISIBLE const struct lws_protocols *
|
|
lws_protocol_get(struct lws *wsi)
|
|
{
|
|
return wsi->protocol;
|
|
}
|
|
|
|
LWS_VISIBLE const struct lws_udp *
|
|
lws_get_udp(const struct lws *wsi)
|
|
{
|
|
return wsi->udp;
|
|
}
|
|
|
|
LWS_VISIBLE struct lws *
|
|
lws_get_network_wsi(struct lws *wsi)
|
|
{
|
|
if (!wsi)
|
|
return NULL;
|
|
|
|
#if defined(LWS_WITH_HTTP2)
|
|
if (!wsi->http2_substream && !wsi->client_h2_substream)
|
|
return wsi;
|
|
|
|
while (wsi->h2.parent_wsi)
|
|
wsi = wsi->h2.parent_wsi;
|
|
#endif
|
|
|
|
return wsi;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
|
|
lws_vhost_name_to_protocol(struct lws_vhost *vh, const char *name)
|
|
{
|
|
int n;
|
|
|
|
for (n = 0; n < vh->count_protocols; n++)
|
|
if (!strcmp(name, vh->protocols[n].name))
|
|
return &vh->protocols[n];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
LWS_VISIBLE int
|
|
lws_callback_all_protocol(struct lws_context *context,
|
|
const struct lws_protocols *protocol, int reason)
|
|
{
|
|
struct lws_context_per_thread *pt = &context->pt[0];
|
|
unsigned int n, m = context->count_threads;
|
|
struct lws *wsi;
|
|
|
|
while (m--) {
|
|
for (n = 0; n < pt->fds_count; n++) {
|
|
wsi = wsi_from_fd(context, pt->fds[n].fd);
|
|
if (!wsi)
|
|
continue;
|
|
if (wsi->protocol == protocol)
|
|
protocol->callback(wsi, reason, wsi->user_space,
|
|
NULL, 0);
|
|
}
|
|
pt++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE int
|
|
lws_callback_all_protocol_vhost_args(struct lws_vhost *vh,
|
|
const struct lws_protocols *protocol, int reason,
|
|
void *argp, size_t len)
|
|
{
|
|
struct lws_context *context = vh->context;
|
|
struct lws_context_per_thread *pt = &context->pt[0];
|
|
unsigned int n, m = context->count_threads;
|
|
struct lws *wsi;
|
|
|
|
while (m--) {
|
|
for (n = 0; n < pt->fds_count; n++) {
|
|
wsi = wsi_from_fd(context, pt->fds[n].fd);
|
|
if (!wsi)
|
|
continue;
|
|
if (wsi->vhost == vh && (wsi->protocol == protocol ||
|
|
!protocol))
|
|
wsi->protocol->callback(wsi, reason,
|
|
wsi->user_space, argp, len);
|
|
}
|
|
pt++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE int
|
|
lws_callback_all_protocol_vhost(struct lws_vhost *vh,
|
|
const struct lws_protocols *protocol, int reason)
|
|
{
|
|
return lws_callback_all_protocol_vhost_args(vh, protocol, reason, NULL, 0);
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_callback_vhost_protocols(struct lws *wsi, int reason, void *in, int len)
|
|
{
|
|
int n;
|
|
|
|
for (n = 0; n < wsi->vhost->count_protocols; n++)
|
|
if (wsi->vhost->protocols[n].callback(wsi, reason, NULL, in, len))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_callback_vhost_protocols_vhost(struct lws_vhost *vh, int reason, void *in,
|
|
size_t len)
|
|
{
|
|
int n;
|
|
struct lws *wsi = lws_zalloc(sizeof(*wsi), "fake wsi");
|
|
|
|
wsi->context = vh->context;
|
|
wsi->vhost = vh;
|
|
|
|
for (n = 0; n < wsi->vhost->count_protocols; n++) {
|
|
wsi->protocol = &vh->protocols[n];
|
|
if (wsi->protocol->callback(wsi, reason, NULL, in, len)) {
|
|
lws_free(wsi);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
lws_free(wsi);
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_set_fops(struct lws_context *context, const struct lws_plat_file_ops *fops)
|
|
{
|
|
context->fops = fops;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN lws_filepos_t
|
|
lws_vfs_tell(lws_fop_fd_t fop_fd)
|
|
{
|
|
return fop_fd->pos;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN lws_filepos_t
|
|
lws_vfs_get_length(lws_fop_fd_t fop_fd)
|
|
{
|
|
return fop_fd->len;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN uint32_t
|
|
lws_vfs_get_mod_time(lws_fop_fd_t fop_fd)
|
|
{
|
|
return fop_fd->mod_time;
|
|
}
|
|
|
|
LWS_VISIBLE lws_fileofs_t
|
|
lws_vfs_file_seek_set(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
|
|
{
|
|
lws_fileofs_t ofs;
|
|
|
|
ofs = fop_fd->fops->LWS_FOP_SEEK_CUR(fop_fd, offset - fop_fd->pos);
|
|
|
|
return ofs;
|
|
}
|
|
|
|
|
|
LWS_VISIBLE lws_fileofs_t
|
|
lws_vfs_file_seek_end(lws_fop_fd_t fop_fd, lws_fileofs_t offset)
|
|
{
|
|
return fop_fd->fops->LWS_FOP_SEEK_CUR(fop_fd, fop_fd->len +
|
|
fop_fd->pos + offset);
|
|
}
|
|
|
|
|
|
const struct lws_plat_file_ops *
|
|
lws_vfs_select_fops(const struct lws_plat_file_ops *fops, const char *vfs_path,
|
|
const char **vpath)
|
|
{
|
|
const struct lws_plat_file_ops *pf;
|
|
const char *p = vfs_path;
|
|
int n;
|
|
|
|
*vpath = NULL;
|
|
|
|
/* no non-platform fops, just use that */
|
|
|
|
if (!fops->next)
|
|
return fops;
|
|
|
|
/*
|
|
* scan the vfs path looking for indications we are to be
|
|
* handled by a specific fops
|
|
*/
|
|
|
|
while (p && *p) {
|
|
if (*p != '/') {
|
|
p++;
|
|
continue;
|
|
}
|
|
/* the first one is always platform fops, so skip */
|
|
pf = fops->next;
|
|
while (pf) {
|
|
n = 0;
|
|
while (n < (int)LWS_ARRAY_SIZE(pf->fi) && pf->fi[n].sig) {
|
|
if (p >= vfs_path + pf->fi[n].len)
|
|
if (!strncmp(p - (pf->fi[n].len - 1),
|
|
pf->fi[n].sig,
|
|
pf->fi[n].len - 1)) {
|
|
*vpath = p + 1;
|
|
return pf;
|
|
}
|
|
|
|
n++;
|
|
}
|
|
pf = pf->next;
|
|
}
|
|
p++;
|
|
}
|
|
|
|
return fops;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN lws_fop_fd_t LWS_WARN_UNUSED_RESULT
|
|
lws_vfs_file_open(const struct lws_plat_file_ops *fops, const char *vfs_path,
|
|
lws_fop_flags_t *flags)
|
|
{
|
|
const char *vpath = "";
|
|
const struct lws_plat_file_ops *selected;
|
|
|
|
selected = lws_vfs_select_fops(fops, vfs_path, &vpath);
|
|
|
|
return selected->LWS_FOP_OPEN(fops, vfs_path, vpath, flags);
|
|
}
|
|
|
|
|
|
/**
|
|
* lws_now_secs() - seconds since 1970-1-1
|
|
*
|
|
*/
|
|
LWS_VISIBLE LWS_EXTERN unsigned long
|
|
lws_now_secs(void)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
|
|
return tv.tv_sec;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_compare_time_t(struct lws_context *context, time_t t1, time_t t2)
|
|
{
|
|
if (t1 < context->time_discontiguity)
|
|
t1 += context->time_fixup;
|
|
|
|
if (t2 < context->time_discontiguity)
|
|
t2 += context->time_fixup;
|
|
|
|
return (int)(t1 - t2);
|
|
}
|
|
|
|
LWS_VISIBLE lws_sockfd_type
|
|
lws_get_socket_fd(struct lws *wsi)
|
|
{
|
|
if (!wsi)
|
|
return -1;
|
|
return wsi->desc.sockfd;
|
|
}
|
|
|
|
#ifdef LWS_LATENCY
|
|
void
|
|
lws_latency(struct lws_context *context, struct lws *wsi, const char *action,
|
|
int ret, int completed)
|
|
{
|
|
unsigned long long u;
|
|
char buf[256];
|
|
|
|
u = time_in_microseconds();
|
|
|
|
if (!action) {
|
|
wsi->latency_start = u;
|
|
if (!wsi->action_start)
|
|
wsi->action_start = u;
|
|
return;
|
|
}
|
|
if (completed) {
|
|
if (wsi->action_start == wsi->latency_start)
|
|
sprintf(buf,
|
|
"Completion first try lat %lluus: %p: ret %d: %s\n",
|
|
u - wsi->latency_start,
|
|
(void *)wsi, ret, action);
|
|
else
|
|
sprintf(buf,
|
|
"Completion %lluus: lat %lluus: %p: ret %d: %s\n",
|
|
u - wsi->action_start,
|
|
u - wsi->latency_start,
|
|
(void *)wsi, ret, action);
|
|
wsi->action_start = 0;
|
|
} else
|
|
sprintf(buf, "lat %lluus: %p: ret %d: %s\n",
|
|
u - wsi->latency_start, (void *)wsi, ret, action);
|
|
|
|
if (u - wsi->latency_start > context->worst_latency) {
|
|
context->worst_latency = u - wsi->latency_start;
|
|
strcpy(context->worst_latency_info, buf);
|
|
}
|
|
lwsl_latency("%s", buf);
|
|
}
|
|
#endif
|
|
|
|
LWS_VISIBLE int
|
|
lws_rx_flow_control(struct lws *wsi, int _enable)
|
|
{
|
|
struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
|
|
int en = _enable;
|
|
|
|
// h2 ignores rx flow control atm
|
|
if (lwsi_role_h2(wsi) || wsi->http2_substream ||
|
|
lwsi_role_h2_ENCAPSULATION(wsi))
|
|
return 0; // !!!
|
|
|
|
lwsl_info("%s: %p 0x%x\n", __func__, wsi, _enable);
|
|
|
|
if (!(_enable & LWS_RXFLOW_REASON_APPLIES)) {
|
|
/*
|
|
* convert user bool style to bitmap style... in user simple
|
|
* bool style _enable = 0 = flow control it, = 1 = allow rx
|
|
*/
|
|
en = LWS_RXFLOW_REASON_APPLIES | LWS_RXFLOW_REASON_USER_BOOL;
|
|
if (_enable & 1)
|
|
en |= LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT;
|
|
}
|
|
|
|
lws_pt_lock(pt, __func__);
|
|
|
|
/* any bit set in rxflow_bitmap DISABLEs rxflow control */
|
|
if (en & LWS_RXFLOW_REASON_APPLIES_ENABLE_BIT)
|
|
wsi->rxflow_bitmap &= ~(en & 0xff);
|
|
else
|
|
wsi->rxflow_bitmap |= en & 0xff;
|
|
|
|
if ((LWS_RXFLOW_PENDING_CHANGE | (!wsi->rxflow_bitmap)) ==
|
|
wsi->rxflow_change_to)
|
|
goto skip;
|
|
|
|
wsi->rxflow_change_to = LWS_RXFLOW_PENDING_CHANGE | !wsi->rxflow_bitmap;
|
|
|
|
lwsl_info("%s: %p: bitmap 0x%x: en 0x%x, ch 0x%x\n", __func__, wsi,
|
|
wsi->rxflow_bitmap, en, wsi->rxflow_change_to);
|
|
|
|
if (_enable & LWS_RXFLOW_REASON_FLAG_PROCESS_NOW ||
|
|
!wsi->rxflow_will_be_applied) {
|
|
en = __lws_rx_flow_control(wsi);
|
|
lws_pt_unlock(pt);
|
|
|
|
return en;
|
|
}
|
|
|
|
skip:
|
|
lws_pt_unlock(pt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE void
|
|
lws_rx_flow_allow_all_protocol(const struct lws_context *context,
|
|
const struct lws_protocols *protocol)
|
|
{
|
|
const struct lws_context_per_thread *pt = &context->pt[0];
|
|
struct lws *wsi;
|
|
unsigned int n, m = context->count_threads;
|
|
|
|
while (m--) {
|
|
for (n = 0; n < pt->fds_count; n++) {
|
|
wsi = wsi_from_fd(context, pt->fds[n].fd);
|
|
if (!wsi)
|
|
continue;
|
|
if (wsi->protocol == protocol)
|
|
lws_rx_flow_control(wsi, LWS_RXFLOW_ALLOW);
|
|
}
|
|
pt++;
|
|
}
|
|
}
|
|
|
|
int
|
|
lws_broadcast(struct lws_context *context, int reason, void *in, size_t len)
|
|
{
|
|
struct lws_vhost *v = context->vhost_list;
|
|
struct lws wsi;
|
|
int n, ret = 0;
|
|
|
|
memset(&wsi, 0, sizeof(wsi));
|
|
wsi.context = context;
|
|
|
|
while (v) {
|
|
const struct lws_protocols *p = v->protocols;
|
|
wsi.vhost = v;
|
|
|
|
for (n = 0; n < v->count_protocols; n++) {
|
|
wsi.protocol = p;
|
|
if (p->callback &&
|
|
p->callback(&wsi, reason, NULL, in, len))
|
|
ret |= 1;
|
|
p++;
|
|
}
|
|
v = v->vhost_next;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
LWS_VISIBLE extern const char *
|
|
lws_canonical_hostname(struct lws_context *context)
|
|
{
|
|
return (const char *)context->canonical_hostname;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_get_vhost_name(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->name;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_get_vhost_port(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->listen_port;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void *
|
|
lws_get_vhost_user(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->user;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_get_vhost_iface(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->iface;
|
|
}
|
|
|
|
int user_callback_handle_rxflow(lws_callback_function callback_function,
|
|
struct lws *wsi,
|
|
enum lws_callback_reasons reason, void *user,
|
|
void *in, size_t len)
|
|
{
|
|
int n;
|
|
|
|
wsi->rxflow_will_be_applied = 1;
|
|
n = callback_function(wsi, reason, user, in, len);
|
|
wsi->rxflow_will_be_applied = 0;
|
|
if (!n)
|
|
n = __lws_rx_flow_control(wsi);
|
|
|
|
return n;
|
|
}
|
|
|
|
#if !defined(LWS_WITHOUT_CLIENT)
|
|
LWS_VISIBLE int
|
|
lws_set_proxy(struct lws_vhost *vhost, const char *proxy)
|
|
{
|
|
char *p;
|
|
char authstring[96];
|
|
|
|
if (!proxy)
|
|
return -1;
|
|
|
|
/* we have to deal with a possible redundant leading http:// */
|
|
if (!strncmp(proxy, "http://", 7))
|
|
proxy += 7;
|
|
|
|
p = strrchr(proxy, '@');
|
|
if (p) { /* auth is around */
|
|
|
|
if ((unsigned int)(p - proxy) > sizeof(authstring) - 1)
|
|
goto auth_too_long;
|
|
|
|
lws_strncpy(authstring, proxy, p - proxy + 1);
|
|
// null termination not needed on input
|
|
if (lws_b64_encode_string(authstring, lws_ptr_diff(p, proxy),
|
|
vhost->proxy_basic_auth_token,
|
|
sizeof vhost->proxy_basic_auth_token) < 0)
|
|
goto auth_too_long;
|
|
|
|
lwsl_info(" Proxy auth in use\n");
|
|
|
|
proxy = p + 1;
|
|
} else
|
|
vhost->proxy_basic_auth_token[0] = '\0';
|
|
|
|
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
|
|
lws_strncpy(vhost->http.http_proxy_address, proxy,
|
|
sizeof(vhost->http.http_proxy_address));
|
|
|
|
p = strchr(vhost->http.http_proxy_address, ':');
|
|
if (!p && !vhost->http.http_proxy_port) {
|
|
lwsl_err("http_proxy needs to be ads:port\n");
|
|
|
|
return -1;
|
|
} else {
|
|
if (p) {
|
|
*p = '\0';
|
|
vhost->http.http_proxy_port = atoi(p + 1);
|
|
}
|
|
}
|
|
|
|
lwsl_info(" Proxy %s:%u\n", vhost->http.http_proxy_address,
|
|
vhost->http.http_proxy_port);
|
|
#endif
|
|
return 0;
|
|
|
|
auth_too_long:
|
|
lwsl_err("proxy auth too long\n");
|
|
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#if defined(LWS_WITH_SOCKS5)
|
|
LWS_VISIBLE int
|
|
lws_set_socks(struct lws_vhost *vhost, const char *socks)
|
|
{
|
|
char *p_at, *p_colon;
|
|
char user[96];
|
|
char password[96];
|
|
|
|
if (!socks)
|
|
return -1;
|
|
|
|
vhost->socks_user[0] = '\0';
|
|
vhost->socks_password[0] = '\0';
|
|
|
|
p_at = strrchr(socks, '@');
|
|
if (p_at) { /* auth is around */
|
|
if ((unsigned int)(p_at - socks) > (sizeof(user)
|
|
+ sizeof(password) - 2)) {
|
|
lwsl_err("Socks auth too long\n");
|
|
goto bail;
|
|
}
|
|
|
|
p_colon = strchr(socks, ':');
|
|
if (p_colon) {
|
|
if ((unsigned int)(p_colon - socks) > (sizeof(user)
|
|
- 1) ) {
|
|
lwsl_err("Socks user too long\n");
|
|
goto bail;
|
|
}
|
|
if ((unsigned int)(p_at - p_colon) > (sizeof(password)
|
|
- 1) ) {
|
|
lwsl_err("Socks password too long\n");
|
|
goto bail;
|
|
}
|
|
|
|
lws_strncpy(vhost->socks_user, socks, p_colon - socks + 1);
|
|
lws_strncpy(vhost->socks_password, p_colon + 1,
|
|
p_at - (p_colon + 1) + 1);
|
|
}
|
|
|
|
lwsl_info(" Socks auth, user: %s, password: %s\n",
|
|
vhost->socks_user, vhost->socks_password );
|
|
|
|
socks = p_at + 1;
|
|
}
|
|
|
|
lws_strncpy(vhost->socks_proxy_address, socks,
|
|
sizeof(vhost->socks_proxy_address));
|
|
|
|
p_colon = strchr(vhost->socks_proxy_address, ':');
|
|
if (!p_colon && !vhost->socks_proxy_port) {
|
|
lwsl_err("socks_proxy needs to be address:port\n");
|
|
return -1;
|
|
} else {
|
|
if (p_colon) {
|
|
*p_colon = '\0';
|
|
vhost->socks_proxy_port = atoi(p_colon + 1);
|
|
}
|
|
}
|
|
|
|
lwsl_info(" Socks %s:%u\n", vhost->socks_proxy_address,
|
|
vhost->socks_proxy_port);
|
|
|
|
return 0;
|
|
|
|
bail:
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
LWS_VISIBLE const struct lws_protocols *
|
|
lws_get_protocol(struct lws *wsi)
|
|
{
|
|
return wsi->protocol;
|
|
}
|
|
|
|
|
|
int
|
|
lws_ensure_user_space(struct lws *wsi)
|
|
{
|
|
if (!wsi->protocol)
|
|
return 0;
|
|
|
|
/* allocate the per-connection user memory (if any) */
|
|
|
|
if (wsi->protocol->per_session_data_size && !wsi->user_space) {
|
|
wsi->user_space = lws_zalloc(
|
|
wsi->protocol->per_session_data_size, "user space");
|
|
if (wsi->user_space == NULL) {
|
|
lwsl_err("%s: OOM\n", __func__);
|
|
return 1;
|
|
}
|
|
} else
|
|
lwsl_debug("%s: %p protocol pss %lu, user_space=%p\n", __func__,
|
|
wsi, (long)wsi->protocol->per_session_data_size,
|
|
wsi->user_space);
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE void *
|
|
lws_adjust_protocol_psds(struct lws *wsi, size_t new_size)
|
|
{
|
|
((struct lws_protocols *)lws_get_protocol(wsi))->per_session_data_size =
|
|
new_size;
|
|
|
|
if (lws_ensure_user_space(wsi))
|
|
return NULL;
|
|
|
|
return wsi->user_space;
|
|
}
|
|
|
|
LWS_VISIBLE int
|
|
lwsl_timestamp(int level, char *p, int len)
|
|
{
|
|
#ifndef LWS_PLAT_OPTEE
|
|
time_t o_now = time(NULL);
|
|
unsigned long long now;
|
|
struct tm *ptm = NULL;
|
|
#ifndef WIN32
|
|
struct tm tm;
|
|
#endif
|
|
int n;
|
|
|
|
#ifndef _WIN32_WCE
|
|
#ifdef WIN32
|
|
ptm = localtime(&o_now);
|
|
#else
|
|
if (localtime_r(&o_now, &tm))
|
|
ptm = &tm;
|
|
#endif
|
|
#endif
|
|
p[0] = '\0';
|
|
for (n = 0; n < LLL_COUNT; n++) {
|
|
if (level != (1 << n))
|
|
continue;
|
|
now = time_in_microseconds() / 100;
|
|
if (ptm)
|
|
n = lws_snprintf(p, len,
|
|
"[%04d/%02d/%02d %02d:%02d:%02d:%04d] %s: ",
|
|
ptm->tm_year + 1900,
|
|
ptm->tm_mon + 1,
|
|
ptm->tm_mday,
|
|
ptm->tm_hour,
|
|
ptm->tm_min,
|
|
ptm->tm_sec,
|
|
(int)(now % 10000), log_level_names[n]);
|
|
else
|
|
n = lws_snprintf(p, len, "[%llu:%04d] %s: ",
|
|
(unsigned long long) now / 10000,
|
|
(int)(now % 10000), log_level_names[n]);
|
|
return n;
|
|
}
|
|
#else
|
|
p[0] = '\0';
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef LWS_PLAT_OPTEE
|
|
static const char * const colours[] = {
|
|
"[31;1m", /* LLL_ERR */
|
|
"[36;1m", /* LLL_WARN */
|
|
"[35;1m", /* LLL_NOTICE */
|
|
"[32;1m", /* LLL_INFO */
|
|
"[34;1m", /* LLL_DEBUG */
|
|
"[33;1m", /* LLL_PARSER */
|
|
"[33m", /* LLL_HEADER */
|
|
"[33m", /* LLL_EXT */
|
|
"[33m", /* LLL_CLIENT */
|
|
"[33;1m", /* LLL_LATENCY */
|
|
"[30;1m", /* LLL_USER */
|
|
};
|
|
|
|
LWS_VISIBLE void lwsl_emit_stderr(int level, const char *line)
|
|
{
|
|
char buf[50];
|
|
static char tty = 3;
|
|
int n, m = LWS_ARRAY_SIZE(colours) - 1;
|
|
|
|
if (!tty)
|
|
tty = isatty(2) | 2;
|
|
lwsl_timestamp(level, buf, sizeof(buf));
|
|
|
|
if (tty == 3) {
|
|
n = 1 << (LWS_ARRAY_SIZE(colours) - 1);
|
|
while (n) {
|
|
if (level & n)
|
|
break;
|
|
m--;
|
|
n >>= 1;
|
|
}
|
|
fprintf(stderr, "%c%s%s%s%c[0m", 27, colours[m], buf, line, 27);
|
|
} else
|
|
fprintf(stderr, "%s%s", buf, line);
|
|
}
|
|
#endif
|
|
|
|
LWS_VISIBLE void _lws_logv(int filter, const char *format, va_list vl)
|
|
{
|
|
char buf[256];
|
|
int n;
|
|
|
|
if (!(log_level & filter))
|
|
return;
|
|
|
|
n = vsnprintf(buf, sizeof(buf) - 1, format, vl);
|
|
(void)n;
|
|
/* vnsprintf returns what it would have written, even if truncated */
|
|
if (n > (int)sizeof(buf) - 1)
|
|
n = sizeof(buf) - 1;
|
|
if (n > 0)
|
|
buf[n] = '\0';
|
|
|
|
lwsl_emit(filter, buf);
|
|
}
|
|
|
|
LWS_VISIBLE void _lws_log(int filter, const char *format, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, format);
|
|
_lws_logv(filter, format, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
LWS_VISIBLE void lws_set_log_level(int level,
|
|
void (*func)(int level, const char *line))
|
|
{
|
|
log_level = level;
|
|
if (func)
|
|
lwsl_emit = func;
|
|
}
|
|
|
|
LWS_VISIBLE int lwsl_visible(int level)
|
|
{
|
|
return log_level & level;
|
|
}
|
|
|
|
LWS_VISIBLE void
|
|
lwsl_hexdump_level(int hexdump_level, const void *vbuf, size_t len)
|
|
{
|
|
unsigned char *buf = (unsigned char *)vbuf;
|
|
unsigned int n, m, start;
|
|
char line[80];
|
|
char *p;
|
|
|
|
if (!lwsl_visible(hexdump_level))
|
|
return;
|
|
|
|
if (!len)
|
|
return;
|
|
|
|
if (!vbuf)
|
|
return;
|
|
|
|
_lws_log(hexdump_level, "\n");
|
|
|
|
for (n = 0; n < len;) {
|
|
start = n;
|
|
p = line;
|
|
|
|
p += sprintf(p, "%04X: ", start);
|
|
|
|
for (m = 0; m < 16 && n < len; m++)
|
|
p += sprintf(p, "%02X ", buf[n++]);
|
|
while (m++ < 16)
|
|
p += sprintf(p, " ");
|
|
|
|
p += sprintf(p, " ");
|
|
|
|
for (m = 0; m < 16 && (start + m) < len; m++) {
|
|
if (buf[start + m] >= ' ' && buf[start + m] < 127)
|
|
*p++ = buf[start + m];
|
|
else
|
|
*p++ = '.';
|
|
}
|
|
while (m++ < 16)
|
|
*p++ = ' ';
|
|
|
|
*p++ = '\n';
|
|
*p = '\0';
|
|
_lws_log(hexdump_level, "%s", line);
|
|
(void)line;
|
|
}
|
|
|
|
_lws_log(hexdump_level, "\n");
|
|
}
|
|
|
|
LWS_VISIBLE void
|
|
lwsl_hexdump(const void *vbuf, size_t len)
|
|
{
|
|
#if defined(_DEBUG)
|
|
lwsl_hexdump_level(LLL_DEBUG, vbuf, len);
|
|
#endif
|
|
}
|
|
|
|
LWS_VISIBLE int
|
|
lws_is_ssl(struct lws *wsi)
|
|
{
|
|
#if defined(LWS_WITH_TLS)
|
|
return wsi->tls.use_ssl & LCCSCF_USE_SSL;
|
|
#else
|
|
(void)wsi;
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#if defined(LWS_WITH_TLS) && !defined(LWS_WITH_MBEDTLS)
|
|
LWS_VISIBLE lws_tls_conn*
|
|
lws_get_ssl(struct lws *wsi)
|
|
{
|
|
return wsi->tls.ssl;
|
|
}
|
|
#endif
|
|
|
|
LWS_VISIBLE int
|
|
lws_partial_buffered(struct lws *wsi)
|
|
{
|
|
return !!wsi->trunc_len;
|
|
}
|
|
|
|
LWS_VISIBLE lws_fileofs_t
|
|
lws_get_peer_write_allowance(struct lws *wsi)
|
|
{
|
|
if (!wsi->role_ops->tx_credit)
|
|
return -1;
|
|
return wsi->role_ops->tx_credit(wsi);
|
|
}
|
|
|
|
LWS_VISIBLE void
|
|
lws_role_transition(struct lws *wsi, enum lwsi_role role, enum lwsi_state state,
|
|
struct lws_role_ops *ops)
|
|
{
|
|
#if defined(_DEBUG)
|
|
const char *name = "(unset)";
|
|
#endif
|
|
wsi->wsistate = role | state;
|
|
if (ops)
|
|
wsi->role_ops = ops;
|
|
#if defined(_DEBUG)
|
|
if (wsi->role_ops)
|
|
name = wsi->role_ops->name;
|
|
lwsl_debug("%s: %p: wsistate 0x%x, ops %s\n", __func__, wsi,
|
|
wsi->wsistate, name);
|
|
#endif
|
|
}
|
|
|
|
LWS_VISIBLE struct lws_plat_file_ops *
|
|
lws_get_fops(struct lws_context *context)
|
|
{
|
|
return (struct lws_plat_file_ops *)context->fops;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN struct lws_context *
|
|
lws_get_context(const struct lws *wsi)
|
|
{
|
|
return wsi->context;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_get_count_threads(struct lws_context *context)
|
|
{
|
|
return context->count_threads;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void *
|
|
lws_wsi_user(struct lws *wsi)
|
|
{
|
|
return wsi->user_space;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_set_wsi_user(struct lws *wsi, void *data)
|
|
{
|
|
if (wsi->user_space_externally_allocated)
|
|
wsi->user_space = data;
|
|
else
|
|
lwsl_err("%s: Cannot set internally-allocated user_space\n",
|
|
__func__);
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN struct lws *
|
|
lws_get_parent(const struct lws *wsi)
|
|
{
|
|
return wsi->parent;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN struct lws *
|
|
lws_get_child(const struct lws *wsi)
|
|
{
|
|
return wsi->child_list;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_set_parent_carries_io(struct lws *wsi)
|
|
{
|
|
wsi->parent_carries_io = 1;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void *
|
|
lws_get_opaque_parent_data(const struct lws *wsi)
|
|
{
|
|
return wsi->opaque_parent_data;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_set_opaque_parent_data(struct lws *wsi, void *data)
|
|
{
|
|
wsi->opaque_parent_data = data;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_get_child_pending_on_writable(const struct lws *wsi)
|
|
{
|
|
return wsi->parent_pending_cb_on_writable;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_clear_child_pending_on_writable(struct lws *wsi)
|
|
{
|
|
wsi->parent_pending_cb_on_writable = 0;
|
|
}
|
|
|
|
|
|
LWS_EXTERN int
|
|
__lws_rx_flow_control(struct lws *wsi)
|
|
{
|
|
struct lws *wsic = wsi->child_list;
|
|
|
|
// h2 ignores rx flow control atm
|
|
if (lwsi_role_h2(wsi) || wsi->http2_substream ||
|
|
lwsi_role_h2_ENCAPSULATION(wsi))
|
|
return 0; // !!!
|
|
|
|
/* if he has children, do those if they were changed */
|
|
while (wsic) {
|
|
if (wsic->rxflow_change_to & LWS_RXFLOW_PENDING_CHANGE)
|
|
__lws_rx_flow_control(wsic);
|
|
|
|
wsic = wsic->sibling_list;
|
|
}
|
|
|
|
/* there is no pending change */
|
|
if (!(wsi->rxflow_change_to & LWS_RXFLOW_PENDING_CHANGE))
|
|
return 0;
|
|
|
|
/* stuff is still buffered, not ready to really accept new input */
|
|
if (lws_buflist_next_segment_len(&wsi->buflist, NULL)) {
|
|
/* get ourselves called back to deal with stashed buffer */
|
|
lws_callback_on_writable(wsi);
|
|
return 0;
|
|
}
|
|
|
|
/* now the pending is cleared, we can change rxflow state */
|
|
|
|
wsi->rxflow_change_to &= ~LWS_RXFLOW_PENDING_CHANGE;
|
|
|
|
lwsl_info("rxflow: wsi %p change_to %d\n", wsi,
|
|
wsi->rxflow_change_to & LWS_RXFLOW_ALLOW);
|
|
|
|
/* adjust the pollfd for this wsi */
|
|
|
|
if (wsi->rxflow_change_to & LWS_RXFLOW_ALLOW) {
|
|
if (__lws_change_pollfd(wsi, 0, LWS_POLLIN)) {
|
|
lwsl_info("%s: fail\n", __func__);
|
|
return -1;
|
|
}
|
|
} else
|
|
if (__lws_change_pollfd(wsi, LWS_POLLIN, 0))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_EXTERN int
|
|
lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len)
|
|
{
|
|
static const unsigned char e0f4[] = {
|
|
0xa0 | ((2 - 1) << 2) | 1, /* e0 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e1 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e2 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e3 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e4 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e5 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e6 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e7 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e8 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* e9 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* ea */
|
|
0x80 | ((4 - 1) << 2) | 1, /* eb */
|
|
0x80 | ((4 - 1) << 2) | 1, /* ec */
|
|
0x80 | ((2 - 1) << 2) | 1, /* ed */
|
|
0x80 | ((4 - 1) << 2) | 1, /* ee */
|
|
0x80 | ((4 - 1) << 2) | 1, /* ef */
|
|
0x90 | ((3 - 1) << 2) | 2, /* f0 */
|
|
0x80 | ((4 - 1) << 2) | 2, /* f1 */
|
|
0x80 | ((4 - 1) << 2) | 2, /* f2 */
|
|
0x80 | ((4 - 1) << 2) | 2, /* f3 */
|
|
0x80 | ((1 - 1) << 2) | 2, /* f4 */
|
|
|
|
0, /* s0 */
|
|
0x80 | ((4 - 1) << 2) | 0, /* s2 */
|
|
0x80 | ((4 - 1) << 2) | 1, /* s3 */
|
|
};
|
|
unsigned char s = *state;
|
|
|
|
while (len--) {
|
|
unsigned char c = *buf++;
|
|
|
|
if (!s) {
|
|
if (c >= 0x80) {
|
|
if (c < 0xc2 || c > 0xf4)
|
|
return 1;
|
|
if (c < 0xe0)
|
|
s = 0x80 | ((4 - 1) << 2);
|
|
else
|
|
s = e0f4[c - 0xe0];
|
|
}
|
|
} else {
|
|
if (c < (s & 0xf0) ||
|
|
c >= (s & 0xf0) + 0x10 + ((s << 2) & 0x30))
|
|
return 1;
|
|
s = e0f4[21 + (s & 3)];
|
|
}
|
|
}
|
|
|
|
*state = s;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_parse_uri(char *p, const char **prot, const char **ads, int *port,
|
|
const char **path)
|
|
{
|
|
const char *end;
|
|
static const char *slash = "/";
|
|
|
|
/* cut up the location into address, port and path */
|
|
*prot = p;
|
|
while (*p && (*p != ':' || p[1] != '/' || p[2] != '/'))
|
|
p++;
|
|
if (!*p) {
|
|
end = p;
|
|
p = (char *)*prot;
|
|
*prot = end;
|
|
} else {
|
|
*p = '\0';
|
|
p += 3;
|
|
}
|
|
*ads = p;
|
|
if (!strcmp(*prot, "http") || !strcmp(*prot, "ws"))
|
|
*port = 80;
|
|
else if (!strcmp(*prot, "https") || !strcmp(*prot, "wss"))
|
|
*port = 443;
|
|
|
|
if (*p == '[')
|
|
{
|
|
++(*ads);
|
|
while (*p && *p != ']')
|
|
p++;
|
|
if (*p)
|
|
*p++ = '\0';
|
|
}
|
|
else
|
|
{
|
|
while (*p && *p != ':' && *p != '/')
|
|
p++;
|
|
}
|
|
if (*p == ':') {
|
|
*p++ = '\0';
|
|
*port = atoi(p);
|
|
while (*p && *p != '/')
|
|
p++;
|
|
}
|
|
*path = slash;
|
|
if (*p) {
|
|
*p++ = '\0';
|
|
if (*p)
|
|
*path = p;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(LWS_WITHOUT_EXTENSIONS)
|
|
|
|
/* we need to provide dummy callbacks for internal exts
|
|
* so user code runs when faced with a lib compiled with
|
|
* extensions disabled.
|
|
*/
|
|
|
|
LWS_VISIBLE int
|
|
lws_extension_callback_pm_deflate(struct lws_context *context,
|
|
const struct lws_extension *ext,
|
|
struct lws *wsi,
|
|
enum lws_extension_callback_reasons reason,
|
|
void *user, void *in, size_t len)
|
|
{
|
|
(void)context;
|
|
(void)ext;
|
|
(void)wsi;
|
|
(void)reason;
|
|
(void)user;
|
|
(void)in;
|
|
(void)len;
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_EXTERN int
|
|
lws_set_extension_option(struct lws *wsi, const char *ext_name,
|
|
const char *opt_name, const char *opt_val)
|
|
{
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
LWS_EXTERN int
|
|
lws_socket_bind(struct lws_vhost *vhost, lws_sockfd_type sockfd, int port,
|
|
const char *iface)
|
|
{
|
|
#ifdef LWS_WITH_UNIX_SOCK
|
|
struct sockaddr_un serv_unix;
|
|
#endif
|
|
#ifdef LWS_WITH_IPV6
|
|
struct sockaddr_in6 serv_addr6;
|
|
#endif
|
|
struct sockaddr_in serv_addr4;
|
|
#ifndef LWS_PLAT_OPTEE
|
|
socklen_t len = sizeof(struct sockaddr_storage);
|
|
#endif
|
|
int n;
|
|
#if !defined(LWS_WITH_ESP32)
|
|
int m;
|
|
#endif
|
|
struct sockaddr_storage sin;
|
|
struct sockaddr *v;
|
|
|
|
#ifdef LWS_WITH_UNIX_SOCK
|
|
if (LWS_UNIX_SOCK_ENABLED(vhost)) {
|
|
v = (struct sockaddr *)&serv_unix;
|
|
n = sizeof(struct sockaddr_un);
|
|
bzero((char *) &serv_unix, sizeof(serv_unix));
|
|
serv_unix.sun_family = AF_UNIX;
|
|
if (!iface)
|
|
return -1;
|
|
if (sizeof(serv_unix.sun_path) <= strlen(iface)) {
|
|
lwsl_err("\"%s\" too long for UNIX domain socket\n",
|
|
iface);
|
|
return -1;
|
|
}
|
|
strcpy(serv_unix.sun_path, iface);
|
|
if (serv_unix.sun_path[0] == '@')
|
|
serv_unix.sun_path[0] = '\0';
|
|
|
|
} else
|
|
#endif
|
|
#if defined(LWS_WITH_IPV6) && !defined(LWS_WITH_ESP32)
|
|
if (LWS_IPV6_ENABLED(vhost)) {
|
|
v = (struct sockaddr *)&serv_addr6;
|
|
n = sizeof(struct sockaddr_in6);
|
|
bzero((char *) &serv_addr6, sizeof(serv_addr6));
|
|
if (iface) {
|
|
m = interface_to_sa(vhost, iface,
|
|
(struct sockaddr_in *)v, n);
|
|
if (m == LWS_ITOSA_NOT_USABLE) {
|
|
lwsl_info("%s: netif %s: Not usable\n",
|
|
__func__, iface);
|
|
return m;
|
|
}
|
|
if (m == LWS_ITOSA_NOT_EXIST) {
|
|
lwsl_info("%s: netif %s: Does not exist\n",
|
|
__func__, iface);
|
|
return m;
|
|
}
|
|
serv_addr6.sin6_scope_id = lws_get_addr_scope(iface);
|
|
}
|
|
|
|
serv_addr6.sin6_family = AF_INET6;
|
|
serv_addr6.sin6_port = htons(port);
|
|
} else
|
|
#endif
|
|
{
|
|
v = (struct sockaddr *)&serv_addr4;
|
|
n = sizeof(serv_addr4);
|
|
bzero((char *) &serv_addr4, sizeof(serv_addr4));
|
|
serv_addr4.sin_addr.s_addr = INADDR_ANY;
|
|
serv_addr4.sin_family = AF_INET;
|
|
#if !defined(LWS_WITH_ESP32)
|
|
|
|
if (iface) {
|
|
m = interface_to_sa(vhost, iface,
|
|
(struct sockaddr_in *)v, n);
|
|
if (m == LWS_ITOSA_NOT_USABLE) {
|
|
lwsl_info("%s: netif %s: Not usable\n",
|
|
__func__, iface);
|
|
return m;
|
|
}
|
|
if (m == LWS_ITOSA_NOT_EXIST) {
|
|
lwsl_info("%s: netif %s: Does not exist\n",
|
|
__func__, iface);
|
|
return m;
|
|
}
|
|
}
|
|
#endif
|
|
serv_addr4.sin_port = htons(port);
|
|
} /* ipv4 */
|
|
|
|
/* just checking for the interface extant */
|
|
if (sockfd == LWS_SOCK_INVALID)
|
|
return 0;
|
|
|
|
n = bind(sockfd, v, n);
|
|
#ifdef LWS_WITH_UNIX_SOCK
|
|
if (n < 0 && LWS_UNIX_SOCK_ENABLED(vhost)) {
|
|
lwsl_err("ERROR on binding fd %d to \"%s\" (%d %d)\n",
|
|
sockfd, iface, n, LWS_ERRNO);
|
|
return -1;
|
|
} else
|
|
#endif
|
|
if (n < 0) {
|
|
lwsl_err("ERROR on binding fd %d to port %d (%d %d)\n",
|
|
sockfd, port, n, LWS_ERRNO);
|
|
return -1;
|
|
}
|
|
|
|
#ifndef LWS_PLAT_OPTEE
|
|
if (getsockname(sockfd, (struct sockaddr *)&sin, &len) == -1)
|
|
lwsl_warn("getsockname: %s\n", strerror(LWS_ERRNO));
|
|
else
|
|
#endif
|
|
#if defined(LWS_WITH_IPV6)
|
|
port = (sin.ss_family == AF_INET6) ?
|
|
ntohs(((struct sockaddr_in6 *) &sin)->sin6_port) :
|
|
ntohs(((struct sockaddr_in *) &sin)->sin_port);
|
|
#else
|
|
{
|
|
struct sockaddr_in sain;
|
|
memcpy(&sain, &sin, sizeof(sain));
|
|
port = ntohs(sain.sin_port);
|
|
}
|
|
#endif
|
|
|
|
return port;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_get_vhost_listen_port(struct lws_vhost *vhost)
|
|
{
|
|
return vhost->listen_port;
|
|
}
|
|
|
|
#if defined(LWS_WITH_IPV6)
|
|
LWS_EXTERN unsigned long
|
|
lws_get_addr_scope(const char *ipaddr)
|
|
{
|
|
unsigned long scope = 0;
|
|
|
|
#ifndef WIN32
|
|
struct ifaddrs *addrs, *addr;
|
|
char ip[NI_MAXHOST];
|
|
unsigned int i;
|
|
|
|
getifaddrs(&addrs);
|
|
for (addr = addrs; addr; addr = addr->ifa_next) {
|
|
if (!addr->ifa_addr ||
|
|
addr->ifa_addr->sa_family != AF_INET6)
|
|
continue;
|
|
|
|
getnameinfo(addr->ifa_addr,
|
|
sizeof(struct sockaddr_in6),
|
|
ip, sizeof(ip),
|
|
NULL, 0, NI_NUMERICHOST);
|
|
|
|
i = 0;
|
|
while (ip[i])
|
|
if (ip[i++] == '%') {
|
|
ip[i - 1] = '\0';
|
|
break;
|
|
}
|
|
|
|
if (!strcmp(ip, ipaddr)) {
|
|
scope = if_nametoindex(addr->ifa_name);
|
|
break;
|
|
}
|
|
}
|
|
freeifaddrs(addrs);
|
|
#else
|
|
PIP_ADAPTER_ADDRESSES adapter, addrs = NULL;
|
|
PIP_ADAPTER_UNICAST_ADDRESS addr;
|
|
ULONG size = 0;
|
|
DWORD ret;
|
|
struct sockaddr_in6 *sockaddr;
|
|
char ip[NI_MAXHOST];
|
|
unsigned int i;
|
|
int found = 0;
|
|
|
|
for (i = 0; i < 5; i++)
|
|
{
|
|
ret = GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX,
|
|
NULL, addrs, &size);
|
|
if ((ret == NO_ERROR) || (ret == ERROR_NO_DATA)) {
|
|
break;
|
|
} else if (ret == ERROR_BUFFER_OVERFLOW)
|
|
{
|
|
if (addrs)
|
|
free(addrs);
|
|
addrs = (IP_ADAPTER_ADDRESSES *)malloc(size);
|
|
} else
|
|
{
|
|
if (addrs)
|
|
{
|
|
free(addrs);
|
|
addrs = NULL;
|
|
}
|
|
lwsl_err("Failed to get IPv6 address table (%d)", ret);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((ret == NO_ERROR) && (addrs)) {
|
|
adapter = addrs;
|
|
while (adapter && !found) {
|
|
addr = adapter->FirstUnicastAddress;
|
|
while (addr && !found) {
|
|
if (addr->Address.lpSockaddr->sa_family ==
|
|
AF_INET6) {
|
|
sockaddr = (struct sockaddr_in6 *)
|
|
(addr->Address.lpSockaddr);
|
|
|
|
lws_plat_inet_ntop(sockaddr->sin6_family,
|
|
&sockaddr->sin6_addr,
|
|
ip, sizeof(ip));
|
|
|
|
if (!strcmp(ip, ipaddr)) {
|
|
scope = sockaddr->sin6_scope_id;
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
addr = addr->Next;
|
|
}
|
|
adapter = adapter->Next;
|
|
}
|
|
}
|
|
if (addrs)
|
|
free(addrs);
|
|
#endif
|
|
|
|
return scope;
|
|
}
|
|
#endif
|
|
|
|
#if !defined(LWS_NO_SERVER)
|
|
|
|
LWS_EXTERN struct lws *
|
|
lws_create_adopt_udp(struct lws_vhost *vhost, int port, int flags,
|
|
const char *protocol_name, struct lws *parent_wsi)
|
|
{
|
|
lws_sock_file_fd_type sock;
|
|
struct addrinfo h, *r, *rp;
|
|
struct lws *wsi = NULL;
|
|
char buf[16];
|
|
int n;
|
|
|
|
memset(&h, 0, sizeof(h));
|
|
h.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
|
|
h.ai_socktype = SOCK_DGRAM;
|
|
h.ai_protocol = IPPROTO_UDP;
|
|
h.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
|
|
|
|
lws_snprintf(buf, sizeof(buf), "%u", port);
|
|
n = getaddrinfo(NULL, buf, &h, &r);
|
|
if (n) {
|
|
lwsl_info("%s: getaddrinfo error: %s\n", __func__,
|
|
gai_strerror(n));
|
|
goto bail;
|
|
}
|
|
|
|
for (rp = r; rp; rp = rp->ai_next) {
|
|
sock.sockfd = socket(rp->ai_family, rp->ai_socktype,
|
|
rp->ai_protocol);
|
|
if (sock.sockfd >= 0)
|
|
break;
|
|
}
|
|
if (!rp) {
|
|
lwsl_err("%s: unable to create INET socket\n", __func__);
|
|
goto bail1;
|
|
}
|
|
|
|
if ((flags & LWS_CAUDP_BIND) && bind(sock.sockfd, rp->ai_addr,
|
|
#if defined(_WIN32)
|
|
(int)rp->ai_addrlen
|
|
#else
|
|
rp->ai_addrlen
|
|
#endif
|
|
) == -1) {
|
|
lwsl_err("%s: bind failed\n", __func__);
|
|
goto bail2;
|
|
}
|
|
|
|
wsi = lws_adopt_descriptor_vhost(vhost, LWS_ADOPT_RAW_SOCKET_UDP, sock,
|
|
protocol_name, parent_wsi);
|
|
if (!wsi)
|
|
lwsl_err("%s: udp adoption failed\n", __func__);
|
|
|
|
bail2:
|
|
if (!wsi)
|
|
close((int)sock.sockfd);
|
|
bail1:
|
|
freeaddrinfo(r);
|
|
|
|
bail:
|
|
return wsi;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static const char *hex = "0123456789ABCDEF";
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_sql_purify(char *escaped, const char *string, int len)
|
|
{
|
|
const char *p = string;
|
|
char *q = escaped;
|
|
|
|
while (*p && len-- > 2) {
|
|
if (*p == '\'') {
|
|
*q++ = '\'';
|
|
*q++ = '\'';
|
|
len --;
|
|
p++;
|
|
} else
|
|
*q++ = *p++;
|
|
}
|
|
*q = '\0';
|
|
|
|
return escaped;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_json_purify(char *escaped, const char *string, int len)
|
|
{
|
|
const char *p = string;
|
|
char *q = escaped;
|
|
|
|
if (!p) {
|
|
escaped[0] = '\0';
|
|
return escaped;
|
|
}
|
|
|
|
while (*p && len-- > 6) {
|
|
if (*p == '\"' || *p == '\\' || *p < 0x20) {
|
|
*q++ = '\\';
|
|
*q++ = 'u';
|
|
*q++ = '0';
|
|
*q++ = '0';
|
|
*q++ = hex[((*p) >> 4) & 15];
|
|
*q++ = hex[(*p) & 15];
|
|
len -= 5;
|
|
p++;
|
|
} else
|
|
*q++ = *p++;
|
|
}
|
|
*q = '\0';
|
|
|
|
return escaped;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_filename_purify_inplace(char *filename)
|
|
{
|
|
while (*filename) {
|
|
|
|
if (*filename == '.' && filename[1] == '.') {
|
|
*filename = '_';
|
|
filename[1] = '_';
|
|
}
|
|
|
|
if (*filename == ':' ||
|
|
*filename == '/' ||
|
|
*filename == '\\' ||
|
|
*filename == '$' ||
|
|
*filename == '%')
|
|
*filename = '_';
|
|
|
|
filename++;
|
|
}
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN const char *
|
|
lws_urlencode(char *escaped, const char *string, int len)
|
|
{
|
|
const char *p = string;
|
|
char *q = escaped;
|
|
|
|
while (*p && len-- > 3) {
|
|
if (*p == ' ') {
|
|
*q++ = '+';
|
|
p++;
|
|
continue;
|
|
}
|
|
if ((*p >= '0' && *p <= '9') ||
|
|
(*p >= 'A' && *p <= 'Z') ||
|
|
(*p >= 'a' && *p <= 'z')) {
|
|
*q++ = *p++;
|
|
continue;
|
|
}
|
|
*q++ = '%';
|
|
*q++ = hex[(*p >> 4) & 0xf];
|
|
*q++ = hex[*p & 0xf];
|
|
|
|
len -= 2;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
|
|
return escaped;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_urldecode(char *string, const char *escaped, int len)
|
|
{
|
|
int state = 0, n;
|
|
char sum = 0;
|
|
|
|
while (*escaped && len) {
|
|
switch (state) {
|
|
case 0:
|
|
if (*escaped == '%') {
|
|
state++;
|
|
escaped++;
|
|
continue;
|
|
}
|
|
if (*escaped == '+') {
|
|
escaped++;
|
|
*string++ = ' ';
|
|
len--;
|
|
continue;
|
|
}
|
|
*string++ = *escaped++;
|
|
len--;
|
|
break;
|
|
case 1:
|
|
n = char_to_hex(*escaped);
|
|
if (n < 0)
|
|
return -1;
|
|
escaped++;
|
|
sum = n << 4;
|
|
state++;
|
|
break;
|
|
|
|
case 2:
|
|
n = char_to_hex(*escaped);
|
|
if (n < 0)
|
|
return -1;
|
|
escaped++;
|
|
*string++ = sum | n;
|
|
len--;
|
|
state = 0;
|
|
break;
|
|
}
|
|
|
|
}
|
|
*string = '\0';
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_finalize_startup(struct lws_context *context)
|
|
{
|
|
struct lws_context_creation_info info;
|
|
|
|
info.uid = context->uid;
|
|
info.gid = context->gid;
|
|
|
|
#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
|
|
memcpy(info.caps, context->caps, sizeof(info.caps));
|
|
info.count_caps = context->count_caps;
|
|
#endif
|
|
|
|
if (lws_check_opt(context->options, LWS_SERVER_OPTION_EXPLICIT_VHOSTS))
|
|
lws_plat_drop_app_privileges(&info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lws_snprintf(char *str, size_t size, const char *format, ...)
|
|
{
|
|
va_list ap;
|
|
int n;
|
|
|
|
if (!size)
|
|
return 0;
|
|
|
|
va_start(ap, format);
|
|
n = vsnprintf(str, size, format, ap);
|
|
va_end(ap);
|
|
|
|
if (n >= (int)size)
|
|
return (int)size;
|
|
|
|
return n;
|
|
}
|
|
|
|
char *
|
|
lws_strncpy(char *dest, const char *src, size_t size)
|
|
{
|
|
strncpy(dest, src, size - 1);
|
|
dest[size - 1] = '\0';
|
|
|
|
return dest;
|
|
}
|
|
|
|
|
|
LWS_VISIBLE LWS_EXTERN int
|
|
lws_is_cgi(struct lws *wsi) {
|
|
#ifdef LWS_WITH_CGI
|
|
return !!wsi->http.cgi;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
const struct lws_protocol_vhost_options *
|
|
lws_pvo_search(const struct lws_protocol_vhost_options *pvo, const char *name)
|
|
{
|
|
while (pvo) {
|
|
if (!strcmp(pvo->name, name))
|
|
break;
|
|
|
|
pvo = pvo->next;
|
|
}
|
|
|
|
return pvo;
|
|
}
|
|
|
|
void
|
|
lws_sum_stats(const struct lws_context *ctx, struct lws_conn_stats *cs)
|
|
{
|
|
const struct lws_vhost *vh = ctx->vhost_list;
|
|
|
|
while (vh) {
|
|
|
|
cs->rx += vh->conn_stats.rx;
|
|
cs->tx += vh->conn_stats.tx;
|
|
cs->h1_conn += vh->conn_stats.h1_conn;
|
|
cs->h1_trans += vh->conn_stats.h1_trans;
|
|
cs->h2_trans += vh->conn_stats.h2_trans;
|
|
cs->ws_upg += vh->conn_stats.ws_upg;
|
|
cs->h2_upg += vh->conn_stats.h2_upg;
|
|
cs->h2_alpn += vh->conn_stats.h2_alpn;
|
|
cs->h2_subs += vh->conn_stats.h2_subs;
|
|
cs->rejected += vh->conn_stats.rejected;
|
|
|
|
vh = vh->vhost_next;
|
|
}
|
|
}
|
|
|
|
const char *
|
|
lws_cmdline_option(int argc, const char **argv, const char *val)
|
|
{
|
|
int n = (int)strlen(val), c = argc;
|
|
|
|
while (--c > 0) {
|
|
|
|
if (!strncmp(argv[c], val, n)) {
|
|
if (!*(argv[c] + n) && c < argc - 1) {
|
|
/* coverity treats unchecked argv as "tainted" */
|
|
if (!argv[c + 1] || strlen(argv[c + 1]) > 1024)
|
|
return NULL;
|
|
return argv[c + 1];
|
|
}
|
|
|
|
return argv[c] + n;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef LWS_WITH_SERVER_STATUS
|
|
|
|
LWS_EXTERN int
|
|
lws_json_dump_vhost(const struct lws_vhost *vh, char *buf, int len)
|
|
{
|
|
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
|
|
static const char * const prots[] = {
|
|
"http://",
|
|
"https://",
|
|
"file://",
|
|
"cgi://",
|
|
">http://",
|
|
">https://",
|
|
"callback://"
|
|
};
|
|
#endif
|
|
char *orig = buf, *end = buf + len - 1, first = 1;
|
|
int n = 0;
|
|
|
|
if (len < 100)
|
|
return 0;
|
|
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"{\n \"name\":\"%s\",\n"
|
|
" \"port\":\"%d\",\n"
|
|
" \"use_ssl\":\"%d\",\n"
|
|
" \"sts\":\"%d\",\n"
|
|
" \"rx\":\"%llu\",\n"
|
|
" \"tx\":\"%llu\",\n"
|
|
" \"h1_conn\":\"%lu\",\n"
|
|
" \"h1_trans\":\"%lu\",\n"
|
|
" \"h2_trans\":\"%lu\",\n"
|
|
" \"ws_upg\":\"%lu\",\n"
|
|
" \"rejected\":\"%lu\",\n"
|
|
" \"h2_upg\":\"%lu\",\n"
|
|
" \"h2_alpn\":\"%lu\",\n"
|
|
" \"h2_subs\":\"%lu\""
|
|
,
|
|
vh->name, vh->listen_port,
|
|
#if defined(LWS_WITH_TLS)
|
|
vh->tls.use_ssl & LCCSCF_USE_SSL,
|
|
#else
|
|
0,
|
|
#endif
|
|
!!(vh->options & LWS_SERVER_OPTION_STS),
|
|
vh->conn_stats.rx, vh->conn_stats.tx,
|
|
vh->conn_stats.h1_conn,
|
|
vh->conn_stats.h1_trans,
|
|
vh->conn_stats.h2_trans,
|
|
vh->conn_stats.ws_upg,
|
|
vh->conn_stats.rejected,
|
|
vh->conn_stats.h2_upg,
|
|
vh->conn_stats.h2_alpn,
|
|
vh->conn_stats.h2_subs
|
|
);
|
|
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
|
|
if (vh->http.mount_list) {
|
|
const struct lws_http_mount *m = vh->http.mount_list;
|
|
|
|
buf += lws_snprintf(buf, end - buf, ",\n \"mounts\":[");
|
|
while (m) {
|
|
if (!first)
|
|
buf += lws_snprintf(buf, end - buf, ",");
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"\n {\n \"mountpoint\":\"%s\",\n"
|
|
" \"origin\":\"%s%s\",\n"
|
|
" \"cache_max_age\":\"%d\",\n"
|
|
" \"cache_reuse\":\"%d\",\n"
|
|
" \"cache_revalidate\":\"%d\",\n"
|
|
" \"cache_intermediaries\":\"%d\"\n"
|
|
,
|
|
m->mountpoint,
|
|
prots[m->origin_protocol],
|
|
m->origin,
|
|
m->cache_max_age,
|
|
m->cache_reusable,
|
|
m->cache_revalidate,
|
|
m->cache_intermediaries);
|
|
if (m->def)
|
|
buf += lws_snprintf(buf, end - buf,
|
|
",\n \"default\":\"%s\"",
|
|
m->def);
|
|
buf += lws_snprintf(buf, end - buf, "\n }");
|
|
first = 0;
|
|
m = m->mount_next;
|
|
}
|
|
buf += lws_snprintf(buf, end - buf, "\n ]");
|
|
}
|
|
#endif
|
|
if (vh->protocols) {
|
|
n = 0;
|
|
first = 1;
|
|
|
|
buf += lws_snprintf(buf, end - buf, ",\n \"ws-protocols\":[");
|
|
while (n < vh->count_protocols) {
|
|
if (!first)
|
|
buf += lws_snprintf(buf, end - buf, ",");
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"\n {\n \"%s\":{\n"
|
|
" \"status\":\"ok\"\n }\n }"
|
|
,
|
|
vh->protocols[n].name);
|
|
first = 0;
|
|
n++;
|
|
}
|
|
buf += lws_snprintf(buf, end - buf, "\n ]");
|
|
}
|
|
|
|
buf += lws_snprintf(buf, end - buf, "\n}");
|
|
|
|
return buf - orig;
|
|
}
|
|
|
|
|
|
LWS_EXTERN LWS_VISIBLE int
|
|
lws_json_dump_context(const struct lws_context *context, char *buf, int len,
|
|
int hide_vhosts)
|
|
{
|
|
char *orig = buf, *end = buf + len - 1, first = 1;
|
|
const struct lws_vhost *vh = context->vhost_list;
|
|
const struct lws_context_per_thread *pt;
|
|
time_t t = time(NULL);
|
|
int n, listening = 0, cgi_count = 0;
|
|
struct lws_conn_stats cs;
|
|
double d = 0;
|
|
#ifdef LWS_WITH_CGI
|
|
struct lws_cgi * const *pcgi;
|
|
#endif
|
|
|
|
#ifdef LWS_WITH_LIBUV
|
|
uv_uptime(&d);
|
|
#endif
|
|
|
|
buf += lws_snprintf(buf, end - buf, "{ "
|
|
"\"version\":\"%s\",\n"
|
|
"\"uptime\":\"%ld\",\n",
|
|
lws_get_library_version(),
|
|
(long)d);
|
|
|
|
#ifdef LWS_HAVE_GETLOADAVG
|
|
{
|
|
double d[3];
|
|
int m;
|
|
|
|
m = getloadavg(d, 3);
|
|
for (n = 0; n < m; n++) {
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"\"l%d\":\"%.2f\",\n",
|
|
n + 1, d[n]);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
buf += lws_snprintf(buf, end - buf, "\"contexts\":[\n");
|
|
|
|
buf += lws_snprintf(buf, end - buf, "{ "
|
|
"\"context_uptime\":\"%ld\",\n"
|
|
"\"cgi_spawned\":\"%d\",\n"
|
|
"\"pt_fd_max\":\"%d\",\n"
|
|
"\"ah_pool_max\":\"%d\",\n"
|
|
"\"deprecated\":\"%d\",\n"
|
|
"\"wsi_alive\":\"%d\",\n",
|
|
(unsigned long)(t - context->time_up),
|
|
context->count_cgi_spawned,
|
|
context->fd_limit_per_thread,
|
|
context->max_http_header_pool,
|
|
context->deprecated,
|
|
context->count_wsi_allocated);
|
|
|
|
buf += lws_snprintf(buf, end - buf, "\"pt\":[\n ");
|
|
for (n = 0; n < context->count_threads; n++) {
|
|
pt = &context->pt[n];
|
|
if (n)
|
|
buf += lws_snprintf(buf, end - buf, ",");
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"\n {\n"
|
|
" \"fds_count\":\"%d\",\n"
|
|
" \"ah_pool_inuse\":\"%d\",\n"
|
|
" \"ah_wait_list\":\"%d\"\n"
|
|
" }",
|
|
pt->fds_count,
|
|
pt->http.ah_count_in_use,
|
|
pt->http.ah_wait_list_length);
|
|
}
|
|
|
|
buf += lws_snprintf(buf, end - buf, "]");
|
|
|
|
buf += lws_snprintf(buf, end - buf, ", \"vhosts\":[\n ");
|
|
|
|
first = 1;
|
|
vh = context->vhost_list;
|
|
listening = 0;
|
|
cs = context->conn_stats;
|
|
lws_sum_stats(context, &cs);
|
|
while (vh) {
|
|
|
|
if (!hide_vhosts) {
|
|
if (!first)
|
|
if(buf != end)
|
|
*buf++ = ',';
|
|
buf += lws_json_dump_vhost(vh, buf, end - buf);
|
|
first = 0;
|
|
}
|
|
if (vh->lserv_wsi)
|
|
listening++;
|
|
vh = vh->vhost_next;
|
|
}
|
|
|
|
buf += lws_snprintf(buf, end - buf,
|
|
"],\n\"listen_wsi\":\"%d\",\n"
|
|
" \"rx\":\"%llu\",\n"
|
|
" \"tx\":\"%llu\",\n"
|
|
" \"h1_conn\":\"%lu\",\n"
|
|
" \"h1_trans\":\"%lu\",\n"
|
|
" \"h2_trans\":\"%lu\",\n"
|
|
" \"ws_upg\":\"%lu\",\n"
|
|
" \"rejected\":\"%lu\",\n"
|
|
" \"h2_alpn\":\"%lu\",\n"
|
|
" \"h2_subs\":\"%lu\",\n"
|
|
" \"h2_upg\":\"%lu\"",
|
|
listening, cs.rx, cs.tx,
|
|
cs.h1_conn,
|
|
cs.h1_trans,
|
|
cs.h2_trans,
|
|
cs.ws_upg,
|
|
cs.rejected,
|
|
cs.h2_alpn,
|
|
cs.h2_subs,
|
|
cs.h2_upg);
|
|
|
|
#ifdef LWS_WITH_CGI
|
|
for (n = 0; n < context->count_threads; n++) {
|
|
pt = &context->pt[n];
|
|
pcgi = &pt->http.cgi_list;
|
|
|
|
while (*pcgi) {
|
|
pcgi = &(*pcgi)->cgi_list;
|
|
|
|
cgi_count++;
|
|
}
|
|
}
|
|
#endif
|
|
buf += lws_snprintf(buf, end - buf, ",\n \"cgi_alive\":\"%d\"\n ",
|
|
cgi_count);
|
|
|
|
buf += lws_snprintf(buf, end - buf, "}");
|
|
|
|
|
|
buf += lws_snprintf(buf, end - buf, "]}\n ");
|
|
|
|
return buf - orig;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(LWS_WITH_STATS)
|
|
|
|
LWS_VISIBLE LWS_EXTERN uint64_t
|
|
lws_stats_get(struct lws_context *context, int index)
|
|
{
|
|
if (index >= LWSSTATS_SIZE)
|
|
return 0;
|
|
|
|
return context->lws_stats[index];
|
|
}
|
|
|
|
LWS_VISIBLE LWS_EXTERN void
|
|
lws_stats_log_dump(struct lws_context *context)
|
|
{
|
|
struct lws_vhost *v = context->vhost_list;
|
|
int n, m;
|
|
|
|
(void)m;
|
|
|
|
if (!context->updated)
|
|
return;
|
|
|
|
context->updated = 0;
|
|
|
|
lwsl_notice("\n");
|
|
lwsl_notice("LWS internal statistics dump ----->\n");
|
|
lwsl_notice("LWSSTATS_C_CONNECTIONS: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_CONNECTIONS));
|
|
lwsl_notice("LWSSTATS_C_API_CLOSE: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_API_CLOSE));
|
|
lwsl_notice("LWSSTATS_C_API_READ: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_API_READ));
|
|
lwsl_notice("LWSSTATS_C_API_LWS_WRITE: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_API_LWS_WRITE));
|
|
lwsl_notice("LWSSTATS_C_API_WRITE: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_API_WRITE));
|
|
lwsl_notice("LWSSTATS_C_WRITE_PARTIALS: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_WRITE_PARTIALS));
|
|
lwsl_notice("LWSSTATS_C_WRITEABLE_CB_REQ: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_WRITEABLE_CB_REQ));
|
|
lwsl_notice("LWSSTATS_C_WRITEABLE_CB_EFF_REQ: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_WRITEABLE_CB_EFF_REQ));
|
|
lwsl_notice("LWSSTATS_C_WRITEABLE_CB: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_WRITEABLE_CB));
|
|
lwsl_notice("LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN));
|
|
lwsl_notice("LWSSTATS_C_SSL_CONNECTIONS_FAILED: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNECTIONS_FAILED));
|
|
lwsl_notice("LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED));
|
|
lwsl_notice("LWSSTATS_C_SSL_CONNS_HAD_RX: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNS_HAD_RX));
|
|
lwsl_notice("LWSSTATS_C_PEER_LIMIT_AH_DENIED: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_PEER_LIMIT_AH_DENIED));
|
|
lwsl_notice("LWSSTATS_C_PEER_LIMIT_WSI_DENIED: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_PEER_LIMIT_WSI_DENIED));
|
|
|
|
lwsl_notice("LWSSTATS_C_TIMEOUTS: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_TIMEOUTS));
|
|
lwsl_notice("LWSSTATS_C_SERVICE_ENTRY: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_C_SERVICE_ENTRY));
|
|
lwsl_notice("LWSSTATS_B_READ: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context, LWSSTATS_B_READ));
|
|
lwsl_notice("LWSSTATS_B_WRITE: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context, LWSSTATS_B_WRITE));
|
|
lwsl_notice("LWSSTATS_B_PARTIALS_ACCEPTED_PARTS: %8llu\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_B_PARTIALS_ACCEPTED_PARTS));
|
|
lwsl_notice("LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY: %8llums\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY) / 1000);
|
|
if (lws_stats_get(context, LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED))
|
|
lwsl_notice(" Avg accept delay: %8llums\n",
|
|
(unsigned long long)(lws_stats_get(context,
|
|
LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY) /
|
|
lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED)) / 1000);
|
|
lwsl_notice("LWSSTATS_MS_SSL_RX_DELAY: %8llums\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_MS_SSL_RX_DELAY) / 1000);
|
|
if (lws_stats_get(context, LWSSTATS_C_SSL_CONNS_HAD_RX))
|
|
lwsl_notice(" Avg accept-rx delay: %8llums\n",
|
|
(unsigned long long)(lws_stats_get(context,
|
|
LWSSTATS_MS_SSL_RX_DELAY) /
|
|
lws_stats_get(context,
|
|
LWSSTATS_C_SSL_CONNS_HAD_RX)) / 1000);
|
|
|
|
lwsl_notice("LWSSTATS_MS_WRITABLE_DELAY: %8lluus\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_MS_WRITABLE_DELAY));
|
|
lwsl_notice("LWSSTATS_MS_WORST_WRITABLE_DELAY: %8lluus\n",
|
|
(unsigned long long)lws_stats_get(context,
|
|
LWSSTATS_MS_WORST_WRITABLE_DELAY));
|
|
if (lws_stats_get(context, LWSSTATS_C_WRITEABLE_CB))
|
|
lwsl_notice(" Avg writable delay: %8lluus\n",
|
|
(unsigned long long)(lws_stats_get(context,
|
|
LWSSTATS_MS_WRITABLE_DELAY) /
|
|
lws_stats_get(context, LWSSTATS_C_WRITEABLE_CB)));
|
|
lwsl_notice("Simultaneous SSL restriction: %8d/%d\n",
|
|
context->simultaneous_ssl,
|
|
context->simultaneous_ssl_restriction);
|
|
|
|
lwsl_notice("Live wsi: %8d\n",
|
|
context->count_wsi_allocated);
|
|
|
|
context->updated = 1;
|
|
|
|
while (v) {
|
|
if (v->lserv_wsi &&
|
|
v->lserv_wsi->position_in_fds_table != LWS_NO_FDS_POS) {
|
|
|
|
struct lws_context_per_thread *pt =
|
|
&context->pt[(int)v->lserv_wsi->tsi];
|
|
struct lws_pollfd *pfd;
|
|
|
|
pfd = &pt->fds[v->lserv_wsi->position_in_fds_table];
|
|
|
|
lwsl_notice(" Listen port %d actual POLLIN: %d\n",
|
|
v->listen_port,
|
|
(int)pfd->events & LWS_POLLIN);
|
|
}
|
|
|
|
v = v->vhost_next;
|
|
}
|
|
|
|
for (n = 0; n < context->count_threads; n++) {
|
|
struct lws_context_per_thread *pt = &context->pt[n];
|
|
struct lws *wl;
|
|
int m = 0;
|
|
|
|
lwsl_notice("PT %d\n", n + 1);
|
|
|
|
lws_pt_lock(pt, __func__);
|
|
|
|
lwsl_notice(" AH in use / max: %d / %d\n",
|
|
pt->http.ah_count_in_use,
|
|
context->max_http_header_pool);
|
|
|
|
wl = pt->http.ah_wait_list;
|
|
while (wl) {
|
|
m++;
|
|
wl = wl->http.ah_wait_list;
|
|
}
|
|
|
|
lwsl_notice(" AH wait list count / actual: %d / %d\n",
|
|
pt->http.ah_wait_list_length, m);
|
|
|
|
lws_pt_unlock(pt);
|
|
}
|
|
|
|
#if defined(LWS_WITH_PEER_LIMITS)
|
|
m = 0;
|
|
for (n = 0; n < (int)context->pl_hash_elements; n++) {
|
|
lws_start_foreach_llp(struct lws_peer **, peer,
|
|
context->pl_hash_table[n]) {
|
|
m++;
|
|
} lws_end_foreach_llp(peer, next);
|
|
}
|
|
|
|
lwsl_notice(" Peers: total active %d\n", m);
|
|
if (m > 10) {
|
|
m = 10;
|
|
lwsl_notice(" (showing 10 peers only)\n");
|
|
}
|
|
|
|
if (m) {
|
|
for (n = 0; n < (int)context->pl_hash_elements; n++) {
|
|
char buf[72];
|
|
|
|
lws_start_foreach_llp(struct lws_peer **, peer,
|
|
context->pl_hash_table[n]) {
|
|
struct lws_peer *df = *peer;
|
|
|
|
if (!lws_plat_inet_ntop(df->af, df->addr, buf,
|
|
sizeof(buf) - 1))
|
|
strcpy(buf, "unknown");
|
|
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
|
|
lwsl_notice(" peer %s: count wsi: %d, count ah: %d\n",
|
|
buf, df->count_wsi,
|
|
df->http.count_ah);
|
|
#else
|
|
lwsl_notice(" peer %s: count wsi: %d\n",
|
|
buf, df->count_wsi);
|
|
#endif
|
|
|
|
if (!--m)
|
|
break;
|
|
} lws_end_foreach_llp(peer, next);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
lwsl_notice("\n");
|
|
}
|
|
|
|
void
|
|
lws_stats_atomic_bump(struct lws_context * context,
|
|
struct lws_context_per_thread *pt, int index, uint64_t bump)
|
|
{
|
|
lws_pt_stats_lock(pt);
|
|
context->lws_stats[index] += bump;
|
|
if (index != LWSSTATS_C_SERVICE_ENTRY)
|
|
context->updated = 1;
|
|
lws_pt_stats_unlock(pt);
|
|
}
|
|
|
|
void
|
|
lws_stats_atomic_max(struct lws_context * context,
|
|
struct lws_context_per_thread *pt, int index, uint64_t val)
|
|
{
|
|
lws_pt_stats_lock(pt);
|
|
if (val > context->lws_stats[index]) {
|
|
context->lws_stats[index] = val;
|
|
context->updated = 1;
|
|
}
|
|
lws_pt_stats_unlock(pt);
|
|
}
|
|
|
|
#endif
|
|
|