-
Notifications
You must be signed in to change notification settings - Fork 0
/
napi.cc
133 lines (123 loc) · 5.42 KB
/
napi.cc
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
/**
* @file napi.cc
* @author @2kai2kai2
*
* @copyright Copyright (c) 2023 Kai Orita
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "lib.h"
#include <napi.h>
Napi::Number cpuUserTime(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run through platform-specific implementations; return 0 if not found.
size_t user, kernel;
if (!cpuTimeCpp(processid, user, kernel))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), user);
}
Napi::Number cpuKernelTime(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run through platform-specific implementations; return 0 if not found.
size_t user, kernel;
if (!cpuTimeCpp(processid, user, kernel))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), kernel);
}
Napi::Number cpuTime(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run through platform-specific implementations; return 0 if not found.
size_t user, kernel;
if (!cpuTimeCpp(processid, user, kernel))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), user + kernel);
}
Napi::Number memInfo(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run through platform-specific implementations; return 0 if not found.
size_t total, rss;
if (!memInfoCpp(processid, total, rss))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), total);
}
Napi::Number memRSS(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run through platform-specific implementations; return 0 if not found.
size_t total, rss;
if (!memInfoCpp(processid, total, rss))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), rss);
}
Napi::Number fileReadBytes(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run platform-specific implementations; return 0 if not found.
size_t readSize, readCount, writeSize, writeCount;
if (!fileInfoCpp(processid, readSize, readCount, writeSize, writeCount))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), readSize);
}
Napi::Number fileWriteBytes(const Napi::CallbackInfo& info) {
using namespace Napi;
// Check that the correct number arguments were passed
if (info.Length() != 1)
throw Error::New(info.Env(), "Invalid number of arguments.");
const size_t processid = info[0].ToNumber().Int64Value();
// Run platform-specific implementations; return 0 if not found.
size_t readSize, readCount, writeSize, writeCount;
if (!fileInfoCpp(processid, readSize, readCount, writeSize, writeCount))
return Number::New(info.Env(), 0);
// Return if found
return Number::New(info.Env(), writeSize);
}
Napi::Object Initialize(Napi::Env env, Napi::Object exports) {
using namespace Napi;
exports.Set(String::New(env, "cpuUserTime"), Function::New(env, cpuUserTime));
exports.Set(String::New(env, "cpuKernelTime"), Function::New(env, cpuKernelTime));
exports.Set(String::New(env, "cpuTime"), Function::New(env, cpuTime));
exports.Set(String::New(env, "memInfo"), Function::New(env, memInfo));
exports.Set(String::New(env, "memRSS"), Function::New(env, memRSS));
exports.Set(String::New(env, "fileRead"), Function::New(env, fileReadBytes));
exports.Set(String::New(env, "fileWrite"), Function::New(env, fileWriteBytes));
return exports;
}
NODE_API_MODULE(node_ps_data, Initialize)