Skip to content
Navigation Menu
{{ message }}
forked from nodejs/node-v0.x-archive
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathnode_os.cc
More file actions
321 lines (264 loc) · 10.2 KB
/
Copy pathnode_os.cc
File metadata and controls
321 lines (264 loc) · 10.2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "node.h"
#include "v8.h"
#include "env.h"
#include "env-inl.h"
#include <errno.h>
#include <string.h>
#ifdef __MINGW32__
# include <io.h>
#endif // __MINGW32__
#ifdef __POSIX__
# include <netdb.h> // MAXHOSTNAMELEN on Solaris.
# include <unistd.h> // gethostname, sysconf
# include <sys/param.h> // MAXHOSTNAMELEN on Linux and the BSDs.
# include <sys/utsname.h>
#endif // __MINGW32__
// Add Windows fallback.
#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN 256
#endif // MAXHOSTNAMELEN
namespace node {
namespace os {
using v8::Array;
using v8::Context;
using v8::FunctionCallbackInfo;
using v8::Handle;
using v8::HandleScope;
using v8::Integer;
using v8::Local;
using v8::Number;
using v8::Object;
using v8::String;
using v8::Value;
static void GetEndianness(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
const char* rval = IsBigEndian() ? "BE" : "LE";
args.GetReturnValue().Set(OneByteString(env->isolate(), rval));
}
static void GetHostname(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
char buf[MAXHOSTNAMELEN + 1];
if (gethostname(buf, sizeof(buf))) {
#ifdef __POSIX__
int errorno = errno;
#else // __MINGW32__
int errorno = WSAGetLastError();
#endif // __POSIX__
return env->ThrowErrnoException(errorno, "gethostname");
}
buf[sizeof(buf) - 1] = '\0';
args.GetReturnValue().Set(OneByteString(env->isolate(), buf));
}
static void GetOSType(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
const char* rval;
#ifdef __POSIX__
struct utsname info;
if (uname(&info) < 0) {
return env->ThrowErrnoException(errno, "uname");
}
rval = info.sysname;
#else // __MINGW32__
rval ="Windows_NT";
#endif // __POSIX__
args.GetReturnValue().Set(OneByteString(env->isolate(), rval));
}
static void GetOSRelease(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
const char* rval;
#ifdef __POSIX__
struct utsname info;
if (uname(&info) < 0) {
return env->ThrowErrnoException(errno, "uname");
}
rval = info.release;
#else // __MINGW32__
char release[256];
OSVERSIONINFO info;
info.dwOSVersionInfoSize = sizeof(info);
if (GetVersionEx(&info) == 0)
return;
snprintf(release,
sizeof(release),
"%d.%d.%d",
static_cast<int>(info.dwMajorVersion),
static_cast<int>(info.dwMinorVersion),
static_cast<int>(info.dwBuildNumber));
rval = release;
#endif // __POSIX__
args.GetReturnValue().Set(OneByteString(env->isolate(), rval));
}
static void GetCPUInfo(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
uv_cpu_info_t* cpu_infos;
int count, i;
int err = uv_cpu_info(&cpu_infos, &count);
if (err)
return;
Local<Array> cpus = Array::New(env->isolate());
for (i = 0; i < count; i++) {
uv_cpu_info_t* ci = cpu_infos + i;
Local<Object> times_info = Object::New(env->isolate());
times_info->Set(env->user_string(),
Number::New(env->isolate(), ci->cpu_times.user));
times_info->Set(env->nice_string(),
Number::New(env->isolate(), ci->cpu_times.nice));
times_info->Set(env->sys_string(),
Number::New(env->isolate(), ci->cpu_times.sys));
times_info->Set(env->idle_string(),
Number::New(env->isolate(), ci->cpu_times.idle));
times_info->Set(env->irq_string(),
Number::New(env->isolate(), ci->cpu_times.irq));
Local<Object> cpu_info = Object::New(env->isolate());
cpu_info->Set(env->model_string(),
OneByteString(env->isolate(), ci->model));
cpu_info->Set(env->speed_string(),
Number::New(env->isolate(), ci->speed));
cpu_info->Set(env->times_string(), times_info);
(*cpus)->Set(i, cpu_info);
}
uv_free_cpu_info(cpu_infos, count);
args.GetReturnValue().Set(cpus);
}
static void GetFreeMemory(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
double amount = uv_get_free_memory();
if (amount < 0)
return;
args.GetReturnValue().Set(amount);
}
static void GetTotalMemory(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
double amount = uv_get_total_memory();
if (amount < 0)
return;
args.GetReturnValue().Set(amount);
}
static void GetUptime(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
double uptime;
int err = uv_uptime(&uptime);
if (err == 0)
args.GetReturnValue().Set(uptime);
}
static void GetLoadAvg(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
double loadavg[3];
uv_loadavg(loadavg);
Local<Array> loads = Array::New(env->isolate(), 3);
loads->Set(0, Number::New(env->isolate(), loadavg[0]));
loads->Set(1, Number::New(env->isolate(), loadavg[1]));
loads->Set(2, Number::New(env->isolate(), loadavg[2]));
args.GetReturnValue().Set(loads);
}
static void GetInterfaceAddresses(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args.GetIsolate());
HandleScope scope(env->isolate());
uv_interface_address_t* interfaces;
int count, i;
char ip[INET6_ADDRSTRLEN];
char netmask[INET6_ADDRSTRLEN];
char mac[18];
Local<Object> ret, o;
Local<String> name, family;
Local<Array> ifarr;
int err = uv_interface_addresses(&interfaces, &count);
ret = Object::New(env->isolate());
if (err == UV_ENOSYS) {
args.GetReturnValue().Set(ret);
} else if (err) {
return env->ThrowUVException(err, "uv_interface_addresses");
}
for (i = 0; i < count; i++) {
name = OneByteString(env->isolate(), interfaces[i].name);
if (ret->Has(name)) {
ifarr = Local<Array>::Cast(ret->Get(name));
} else {
ifarr = Array::New(env->isolate());
ret->Set(name, ifarr);
}
snprintf(mac,
18,
"%02x:%02x:%02x:%02x:%02x:%02x",
static_cast<unsigned char>(interfaces[i].phys_addr[0]),
static_cast<unsigned char>(interfaces[i].phys_addr[1]),
static_cast<unsigned char>(interfaces[i].phys_addr[2]),
static_cast<unsigned char>(interfaces[i].phys_addr[3]),
static_cast<unsigned char>(interfaces[i].phys_addr[4]),
static_cast<unsigned char>(interfaces[i].phys_addr[5]));
if (interfaces[i].address.address4.sin_family == AF_INET) {
uv_ip4_name(&interfaces[i].address.address4, ip, sizeof(ip));
uv_ip4_name(&interfaces[i].netmask.netmask4, netmask, sizeof(netmask));
family = env->ipv4_string();
} else if (interfaces[i].address.address4.sin_family == AF_INET6) {
uv_ip6_name(&interfaces[i].address.address6, ip, sizeof(ip));
uv_ip6_name(&interfaces[i].netmask.netmask6, netmask, sizeof(netmask));
family = env->ipv6_string();
} else {
strncpy(ip, "<unknown sa family>", INET6_ADDRSTRLEN);
family = env->unknown_string();
}
o = Object::New(env->isolate());
o->Set(env->address_string(), OneByteString(env->isolate(), ip));
o->Set(env->netmask_string(), OneByteString(env->isolate(), netmask));
o->Set(env->family_string(), family);
o->Set(env->mac_string(), FIXED_ONE_BYTE_STRING(env->isolate(), mac));
if (interfaces[i].address.address4.sin_family == AF_INET6) {
uint32_t scopeid = interfaces[i].address.address6.sin6_scope_id;
o->Set(env->scopeid_string(),
Integer::NewFromUnsigned(env->isolate(), scopeid));
}
const bool internal = interfaces[i].is_internal;
o->Set(env->internal_string(),
internal ? True(env->isolate()) : False(env->isolate()));
ifarr->Set(ifarr->Length(), o);
}
uv_free_interface_addresses(interfaces, count);
args.GetReturnValue().Set(ret);
}
void Initialize(Handle<Object> target,
Handle<Value> unused,
Handle<Context> context) {
NODE_SET_METHOD(target, "getEndianness", GetEndianness);
NODE_SET_METHOD(target, "getHostname", GetHostname);
NODE_SET_METHOD(target, "getLoadAvg", GetLoadAvg);
NODE_SET_METHOD(target, "getUptime", GetUptime);
NODE_SET_METHOD(target, "getTotalMem", GetTotalMemory);
NODE_SET_METHOD(target, "getFreeMem", GetFreeMemory);
NODE_SET_METHOD(target, "getCPUs", GetCPUInfo);
NODE_SET_METHOD(target, "getOSType", GetOSType);
NODE_SET_METHOD(target, "getOSRelease", GetOSRelease);
NODE_SET_METHOD(target, "getInterfaceAddresses", GetInterfaceAddresses);
}
} // namespace os
} // namespace node
NODE_MODULE_CONTEXT_AWARE_BUILTIN(os, node::os::Initialize)
You can’t perform that action at this time.