1/*
2 * libwebsockets - small server side websockets and web server implementation
3 *
4 * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
26#define _WINSOCK_DEPRECATED_NO_WARNINGS
27#endif
28#include "private-lib-core.h"
29
30/*
31 * Normally you don't want this, use lws_sul instead inside the event loop.
32 * But sometimes for drivers it makes sense, so there's an internal-only
33 * crossplatform api for it.
34 */
35
36void
37lws_msleep(unsigned int ms)
38{
39        Sleep(ms);
40}
41
42lws_usec_t
43lws_now_usecs(void)
44{
45#ifndef DELTA_EPOCH_IN_MICROSECS
46#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
47#endif
48	FILETIME filetime;
49	ULARGE_INTEGER datetime;
50
51#ifdef _WIN32_WCE
52	GetCurrentFT(&filetime);
53#else
54	GetSystemTimeAsFileTime(&filetime);
55#endif
56
57	/*
58	 * As per Windows documentation for FILETIME, copy the resulting
59	 * FILETIME structure to a ULARGE_INTEGER structure using memcpy
60	 * (using memcpy instead of direct assignment can prevent alignment
61	 * faults on 64-bit Windows).
62	 */
63	memcpy(&datetime, &filetime, sizeof(datetime));
64
65	/* Windows file times are in 100s of nanoseconds. */
66	return (datetime.QuadPart / 10) - DELTA_EPOCH_IN_MICROSECS;
67}
68
69
70#ifdef _WIN32_WCE
71time_t time(time_t *t)
72{
73	time_t ret = lws_now_usecs() / 1000000;
74
75	if(t != NULL)
76		*t = ret;
77
78	return ret;
79}
80#endif
81
82size_t
83lws_get_random(struct lws_context *context, void *buf, size_t len)
84{
85	size_t n;
86	char *p = (char *)buf;
87
88	for (n = 0; n < len; n++)
89		p[n] = (unsigned char)rand();
90
91	return n;
92}
93
94
95void
96lwsl_emit_syslog(int level, const char *line)
97{
98	lwsl_emit_stderr(level, line);
99}
100
101
102int kill(int pid, int sig)
103{
104	lwsl_err("Sorry Windows doesn't support kill().");
105	exit(0);
106}
107
108int fork(void)
109{
110	lwsl_err("Sorry Windows doesn't support fork().");
111	exit(0);
112}
113
114
115int
116lws_plat_recommended_rsa_bits(void)
117{
118	return 4096;
119}
120
121
122
123