mirror of
https://github.com/warmcat/libwebsockets.git
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86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
/*
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* libwebsockets - lib/plat/lws-plat-esp32.c
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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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uint64_t
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lws_time_in_microseconds(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return ((unsigned long long)tv.tv_sec * 1000000LL) + tv.tv_usec;
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}
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LWS_VISIBLE int
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lws_get_random(struct lws_context *context, void *buf, int len)
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{
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uint8_t *pb = buf;
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while (len) {
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#if defined(LWS_AMAZON_RTOS)
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uint32_t r = rand();
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#else
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uint32_t r = esp_random();
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#endif
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uint8_t *p = (uint8_t *)&r;
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int b = 4;
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if (len < b)
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b = len;
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len -= b;
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while (b--)
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*pb++ = p[b];
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}
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return pb - (uint8_t *)buf;
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}
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LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
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{
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lwsl_emit_stderr(level, line);
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}
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int
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lws_plat_drop_app_privileges(struct lws_context *context, int actually_init)
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{
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return 0;
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}
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int
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lws_plat_recommended_rsa_bits(void)
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{
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/*
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* 2048-bit key generation takes up to a minute on ESP32, 4096
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* is like 15 minutes +
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*/
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return 2048;
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}
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void esp32_uvtimer_cb(TimerHandle_t t)
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{
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struct timer_mapping *p = pvTimerGetTimerID(t);
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p->cb(p->t);
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}
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