summaryrefslogtreecommitdiff
path: root/src/node_win32_etw_provider-inl.h
blob: efc11ab0b95108bd0f597a7bb0b02083739bcc7f (plain)
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
#ifndef SRC_NODE_WIN32_ETW_PROVIDER_INL_H_
#define SRC_NODE_WIN32_ETW_PROVIDER_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_win32_etw_provider.h"
#include "node_etw_provider.h"

#if defined(_WIN64)
# define ETW_WRITE_INTPTR_DATA ETW_WRITE_INT64_DATA
#else
# define ETW_WRITE_INTPTR_DATA ETW_WRITE_INT32_DATA
#endif

namespace node {

// From node_win32_etw_provider.cc
extern REGHANDLE node_provider;
extern EventWriteFunc event_write;
extern int events_enabled;

#define ETW_WRITE_STRING_DATA(data_descriptor, data)                          \
  EventDataDescCreate(data_descriptor,                                        \
                      data,                                                   \
                      (strlen(data) + 1) * sizeof(*data));

#define ETW_WRITE_INT32_DATA(data_descriptor, data)  \
  EventDataDescCreate(data_descriptor, data, sizeof(int32_t));

#define ETW_WRITE_INT64_DATA(data_descriptor, data)  \
  EventDataDescCreate(data_descriptor, data, sizeof(int64_t));

#define ETW_WRITE_ADDRESS_DATA(data_descriptor, data)  \
  EventDataDescCreate(data_descriptor, data, sizeof(intptr_t));

#define ETW_WRITE_INT16_DATA(data_descriptor, data)  \
  EventDataDescCreate(data_descriptor, data, sizeof(int16_t));

#define ETW_WRITE_WSTRING_DATA_LENGTH(data_descriptor, data, data_len_bytes)  \
  EventDataDescCreate(data_descriptor,                                        \
                      data,                                                   \
                      data_len_bytes);

#define ETW_WRITE_NET_CONNECTION(descriptors, conn)                           \
  ETW_WRITE_INT32_DATA(descriptors, &conn->fd);                               \
  ETW_WRITE_INT32_DATA(descriptors + 1, &conn->port);                         \
  ETW_WRITE_STRING_DATA(descriptors + 2, conn->remote);                       \
  ETW_WRITE_INT32_DATA(descriptors + 3, &conn->buffered);

#define ETW_WRITE_HTTP_SERVER_REQUEST(descriptors, req)                       \
  ETW_WRITE_STRING_DATA(descriptors, req->url);                               \
  ETW_WRITE_STRING_DATA(descriptors + 1, req->method);                        \
  ETW_WRITE_STRING_DATA(descriptors + 2, req->forwardedFor);

#define ETW_WRITE_HTTP_CLIENT_REQUEST(descriptors, req)                       \
  ETW_WRITE_STRING_DATA(descriptors, req->url);                               \
  ETW_WRITE_STRING_DATA(descriptors + 1, req->method);

#define ETW_WRITE_GC(descriptors, type, flags)                                \
  ETW_WRITE_INT32_DATA(descriptors, &type);                                   \
  ETW_WRITE_INT32_DATA(descriptors + 1, &flags);

#define ETW_WRITE_V8ADDRESSCHANGE(descriptors, addr1, addr2)                  \
    ETW_WRITE_ADDRESS_DATA(descriptors, &addr1);                              \
    ETW_WRITE_ADDRESS_DATA(descriptors + 1, &addr2);

#define ETW_WRITE_JSMETHOD_LOADUNLOAD(descriptors,                            \
                                      context,                                \
                                      startAddr,                              \
                                      size,                                   \
                                      id,                                     \
                                      flags,                                  \
                                      rangeId,                                \
                                      sourceId,                               \
                                      line,                                   \
                                      col,                                    \
                                      name,                                   \
                                      name_len_bytes)                         \
    ETW_WRITE_ADDRESS_DATA(descriptors, &context);                            \
    ETW_WRITE_ADDRESS_DATA(descriptors + 1, &startAddr);                      \
    ETW_WRITE_INT64_DATA(descriptors + 2, &size);                             \
    ETW_WRITE_INTPTR_DATA(descriptors + 3, &id);                              \
    ETW_WRITE_INT16_DATA(descriptors + 4, &flags);                            \
    ETW_WRITE_INT16_DATA(descriptors + 5, &rangeId);                          \
    ETW_WRITE_INT64_DATA(descriptors + 6, &sourceId);                         \
    ETW_WRITE_INT32_DATA(descriptors + 7, &line);                             \
    ETW_WRITE_INT32_DATA(descriptors + 8, &col);                              \
    ETW_WRITE_WSTRING_DATA_LENGTH(descriptors + 9, name, name_len_bytes);


#define ETW_WRITE_EVENT(eventDescriptor, dataDescriptors)                     \
  DWORD status = event_write(node_provider,                                   \
                             &eventDescriptor,                                \
                             sizeof(dataDescriptors) /                        \
                                 sizeof(*dataDescriptors),                    \
                             dataDescriptors);                                \
  CHECK_EQ(status, ERROR_SUCCESS);

#define ETW_WRITE_EMPTY_EVENT(eventDescriptor)                                \
  DWORD status = event_write(node_provider,                                   \
                             &eventDescriptor,                                \
                             0,                                               \
                             NULL);                                           \
  CHECK_EQ(status, ERROR_SUCCESS);


void NODE_HTTP_SERVER_REQUEST(node_dtrace_http_server_request_t* req,
    node_dtrace_connection_t* conn, const char *remote, int port,
    const char *method, const char *url, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[7];
  ETW_WRITE_HTTP_SERVER_REQUEST(descriptors, req);
  ETW_WRITE_NET_CONNECTION(descriptors + 3, conn);
  ETW_WRITE_EVENT(NODE_HTTP_SERVER_REQUEST_EVENT, descriptors);
}


void NODE_HTTP_SERVER_RESPONSE(node_dtrace_connection_t* conn,
    const char *remote, int port, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[4];
  ETW_WRITE_NET_CONNECTION(descriptors, conn);
  ETW_WRITE_EVENT(NODE_HTTP_SERVER_RESPONSE_EVENT, descriptors);
}


void NODE_HTTP_CLIENT_REQUEST(node_dtrace_http_client_request_t* req,
    node_dtrace_connection_t* conn, const char *remote, int port,
    const char *method, const char *url, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[6];
  ETW_WRITE_HTTP_CLIENT_REQUEST(descriptors, req);
  ETW_WRITE_NET_CONNECTION(descriptors + 2, conn);
  ETW_WRITE_EVENT(NODE_HTTP_CLIENT_REQUEST_EVENT, descriptors);
}


void NODE_HTTP_CLIENT_RESPONSE(node_dtrace_connection_t* conn,
    const char *remote, int port, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[4];
  ETW_WRITE_NET_CONNECTION(descriptors, conn);
  ETW_WRITE_EVENT(NODE_HTTP_CLIENT_RESPONSE_EVENT, descriptors);
}


void NODE_NET_SERVER_CONNECTION(node_dtrace_connection_t* conn,
    const char *remote, int port, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[4];
  ETW_WRITE_NET_CONNECTION(descriptors, conn);
  ETW_WRITE_EVENT(NODE_NET_SERVER_CONNECTION_EVENT, descriptors);
}


void NODE_NET_STREAM_END(node_dtrace_connection_t* conn,
    const char *remote, int port, int fd) {
  EVENT_DATA_DESCRIPTOR descriptors[4];
  ETW_WRITE_NET_CONNECTION(descriptors, conn);
  ETW_WRITE_EVENT(NODE_NET_STREAM_END_EVENT, descriptors);
}


void NODE_GC_START(v8::GCType type,
                   v8::GCCallbackFlags flags,
                   v8::Isolate* isolate) {
  if (events_enabled > 0) {
    EVENT_DATA_DESCRIPTOR descriptors[2];
    ETW_WRITE_GC(descriptors, type, flags);
    ETW_WRITE_EVENT(NODE_GC_START_EVENT, descriptors);
  }
}


void NODE_GC_DONE(v8::GCType type,
                  v8::GCCallbackFlags flags,
                  v8::Isolate* isolate) {
  if (events_enabled > 0) {
    EVENT_DATA_DESCRIPTOR descriptors[2];
    ETW_WRITE_GC(descriptors, type, flags);
    ETW_WRITE_EVENT(NODE_GC_DONE_EVENT, descriptors);
  }
}


void NODE_V8SYMBOL_REMOVE(const void* addr1, const void* addr2) {
  if (events_enabled > 0) {
    EVENT_DATA_DESCRIPTOR descriptors[2];
    ETW_WRITE_V8ADDRESSCHANGE(descriptors, addr1, addr2);
    ETW_WRITE_EVENT(NODE_V8SYMBOL_REMOVE_EVENT, descriptors);
  }
}


void NODE_V8SYMBOL_MOVE(const void* addr1, const void* addr2) {
  if (events_enabled > 0) {
    EVENT_DATA_DESCRIPTOR descriptors[2];
    ETW_WRITE_V8ADDRESSCHANGE(descriptors, addr1, addr2);
    ETW_WRITE_EVENT(NODE_V8SYMBOL_MOVE_EVENT, descriptors);
  }
}


void NODE_V8SYMBOL_RESET() {
  if (events_enabled > 0) {
    ETW_WRITE_EMPTY_EVENT(NODE_V8SYMBOL_RESET_EVENT);
  }
}

#define SETSYMBUF(s)  \
  wcscpy(symbuf, s);  \
  symbol_len = arraysize(s) - 1;

void NODE_V8SYMBOL_ADD(LPCSTR symbol,
                       int symbol_len,
                       const void* addr1,
                       int len) {
  if (events_enabled > 0) {
    wchar_t symbuf[128];
    if (symbol == nullptr) {
      SETSYMBUF(L"nullptr");
    } else {
      symbol_len = MultiByteToWideChar(CP_ACP,
                                       0,
                                       symbol,
                                       symbol_len,
                                       symbuf,
                                       128);
      if (symbol_len == 0) {
        SETSYMBUF(L"Invalid");
      } else {
        if (symbol_len > 127) {
          symbol_len = 127;
        }
        symbuf[symbol_len] = L'\0';
      }
    }
    void* context = nullptr;
    INT64 size = (INT64)len;
    INT_PTR id = (INT_PTR)addr1;
    INT16 flags = 0;
    INT16 rangeid = 1;
    INT32 col = 1;
    INT32 line = 1;
    INT64 sourceid = 0;
    EVENT_DATA_DESCRIPTOR descriptors[10];
    ETW_WRITE_JSMETHOD_LOADUNLOAD(descriptors,
                                  context,
                                  addr1,
                                  size,
                                  id,
                                  flags,
                                  rangeid,
                                  sourceid,
                                  line,
                                  col,
                                  symbuf,
                                  (symbol_len + 1) * sizeof(symbuf[0]));
    ETW_WRITE_EVENT(MethodLoad, descriptors);
  }
}
#undef SETSYMBUF


bool NODE_HTTP_SERVER_REQUEST_ENABLED() { return events_enabled > 0; }
bool NODE_HTTP_SERVER_RESPONSE_ENABLED() { return events_enabled > 0; }
bool NODE_HTTP_CLIENT_REQUEST_ENABLED() { return events_enabled > 0; }
bool NODE_HTTP_CLIENT_RESPONSE_ENABLED() { return events_enabled > 0; }
bool NODE_NET_SERVER_CONNECTION_ENABLED() { return events_enabled > 0; }
bool NODE_NET_STREAM_END_ENABLED() { return events_enabled > 0; }
bool NODE_V8SYMBOL_ENABLED() { return events_enabled > 0; }

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_WIN32_ETW_PROVIDER_INL_H_