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
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
|
#ifndef SRC_NODE_HTTP2_H_
#define SRC_NODE_HTTP2_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "node_http2_core-inl.h"
#include "node_http2_state.h"
#include "stream_base-inl.h"
#include "string_bytes.h"
#include <queue>
namespace node {
namespace http2 {
using v8::Array;
using v8::Context;
using v8::EscapableHandleScope;
using v8::Isolate;
using v8::MaybeLocal;
// Unlike the HTTP/1 implementation, the HTTP/2 implementation is not limited
// to a fixed number of known supported HTTP methods. These constants, therefore
// are provided strictly as a convenience to users and are exposed via the
// require('http2').constants object.
#define HTTP_KNOWN_METHODS(V) \
V(ACL, "ACL") \
V(BASELINE_CONTROL, "BASELINE-CONTROL") \
V(BIND, "BIND") \
V(CHECKIN, "CHECKIN") \
V(CHECKOUT, "CHECKOUT") \
V(CONNECT, "CONNECT") \
V(COPY, "COPY") \
V(DELETE, "DELETE") \
V(GET, "GET") \
V(HEAD, "HEAD") \
V(LABEL, "LABEL") \
V(LINK, "LINK") \
V(LOCK, "LOCK") \
V(MERGE, "MERGE") \
V(MKACTIVITY, "MKACTIVITY") \
V(MKCALENDAR, "MKCALENDAR") \
V(MKCOL, "MKCOL") \
V(MKREDIRECTREF, "MKREDIRECTREF") \
V(MKWORKSPACE, "MKWORKSPACE") \
V(MOVE, "MOVE") \
V(OPTIONS, "OPTIONS") \
V(ORDERPATCH, "ORDERPATCH") \
V(PATCH, "PATCH") \
V(POST, "POST") \
V(PRI, "PRI") \
V(PROPFIND, "PROPFIND") \
V(PROPPATCH, "PROPPATCH") \
V(PUT, "PUT") \
V(REBIND, "REBIND") \
V(REPORT, "REPORT") \
V(SEARCH, "SEARCH") \
V(TRACE, "TRACE") \
V(UNBIND, "UNBIND") \
V(UNCHECKOUT, "UNCHECKOUT") \
V(UNLINK, "UNLINK") \
V(UNLOCK, "UNLOCK") \
V(UPDATE, "UPDATE") \
V(UPDATEREDIRECTREF, "UPDATEREDIRECTREF") \
V(VERSION_CONTROL, "VERSION-CONTROL")
// These are provided strictly as a convenience to users and are exposed via the
// require('http2').constants objects
#define HTTP_KNOWN_HEADERS(V) \
V(STATUS, ":status") \
V(METHOD, ":method") \
V(AUTHORITY, ":authority") \
V(SCHEME, ":scheme") \
V(PATH, ":path") \
V(ACCEPT_CHARSET, "accept-charset") \
V(ACCEPT_ENCODING, "accept-encoding") \
V(ACCEPT_LANGUAGE, "accept-language") \
V(ACCEPT_RANGES, "accept-ranges") \
V(ACCEPT, "accept") \
V(ACCESS_CONTROL_ALLOW_CREDENTIALS, "access-control-allow-credentials") \
V(ACCESS_CONTROL_ALLOW_HEADERS, "access-control-allow-headers") \
V(ACCESS_CONTROL_ALLOW_METHODS, "access-control-allow-methods") \
V(ACCESS_CONTROL_ALLOW_ORIGIN, "access-control-allow-origin") \
V(ACCESS_CONTROL_EXPOSE_HEADERS, "access-control-expose-headers") \
V(ACCESS_CONTROL_MAX_AGE, "access-control-max-age") \
V(ACCESS_CONTROL_REQUEST_HEADERS, "access-control-request-headers") \
V(ACCESS_CONTROL_REQUEST_METHOD, "access-control-request-method") \
V(AGE, "age") \
V(ALLOW, "allow") \
V(AUTHORIZATION, "authorization") \
V(CACHE_CONTROL, "cache-control") \
V(CONNECTION, "connection") \
V(CONTENT_DISPOSITION, "content-disposition") \
V(CONTENT_ENCODING, "content-encoding") \
V(CONTENT_LANGUAGE, "content-language") \
V(CONTENT_LENGTH, "content-length") \
V(CONTENT_LOCATION, "content-location") \
V(CONTENT_MD5, "content-md5") \
V(CONTENT_RANGE, "content-range") \
V(CONTENT_TYPE, "content-type") \
V(COOKIE, "cookie") \
V(DATE, "date") \
V(DNT, "dnt") \
V(ETAG, "etag") \
V(EXPECT, "expect") \
V(EXPIRES, "expires") \
V(FORWARDED, "forwarded") \
V(FROM, "from") \
V(HOST, "host") \
V(IF_MATCH, "if-match") \
V(IF_MODIFIED_SINCE, "if-modified-since") \
V(IF_NONE_MATCH, "if-none-match") \
V(IF_RANGE, "if-range") \
V(IF_UNMODIFIED_SINCE, "if-unmodified-since") \
V(LAST_MODIFIED, "last-modified") \
V(LINK, "link") \
V(LOCATION, "location") \
V(MAX_FORWARDS, "max-forwards") \
V(PREFER, "prefer") \
V(PROXY_AUTHENTICATE, "proxy-authenticate") \
V(PROXY_AUTHORIZATION, "proxy-authorization") \
V(RANGE, "range") \
V(REFERER, "referer") \
V(REFRESH, "refresh") \
V(RETRY_AFTER, "retry-after") \
V(SERVER, "server") \
V(SET_COOKIE, "set-cookie") \
V(STRICT_TRANSPORT_SECURITY, "strict-transport-security") \
V(TRAILER, "trailer") \
V(TRANSFER_ENCODING, "transfer-encoding") \
V(TE, "te") \
V(TK, "tk") \
V(UPGRADE_INSECURE_REQUESTS, "upgrade-insecure-requests") \
V(UPGRADE, "upgrade") \
V(USER_AGENT, "user-agent") \
V(VARY, "vary") \
V(VIA, "via") \
V(WARNING, "warning") \
V(WWW_AUTHENTICATE, "www-authenticate") \
V(X_CONTENT_TYPE_OPTIONS, "x-content-type-options") \
V(X_FRAME_OPTIONS, "x-frame-options") \
V(HTTP2_SETTINGS, "http2-settings") \
V(KEEP_ALIVE, "keep-alive") \
V(PROXY_CONNECTION, "proxy-connection")
enum http_known_headers {
HTTP_KNOWN_HEADER_MIN,
#define V(name, value) HTTP_HEADER_##name,
HTTP_KNOWN_HEADERS(V)
#undef V
HTTP_KNOWN_HEADER_MAX
};
// While some of these codes are used within the HTTP/2 implementation in
// core, they are provided strictly as a convenience to users and are exposed
// via the require('http2').constants object.
#define HTTP_STATUS_CODES(V) \
V(CONTINUE, 100) \
V(SWITCHING_PROTOCOLS, 101) \
V(PROCESSING, 102) \
V(OK, 200) \
V(CREATED, 201) \
V(ACCEPTED, 202) \
V(NON_AUTHORITATIVE_INFORMATION, 203) \
V(NO_CONTENT, 204) \
V(RESET_CONTENT, 205) \
V(PARTIAL_CONTENT, 206) \
V(MULTI_STATUS, 207) \
V(ALREADY_REPORTED, 208) \
V(IM_USED, 226) \
V(MULTIPLE_CHOICES, 300) \
V(MOVED_PERMANENTLY, 301) \
V(FOUND, 302) \
V(SEE_OTHER, 303) \
V(NOT_MODIFIED, 304) \
V(USE_PROXY, 305) \
V(TEMPORARY_REDIRECT, 307) \
V(PERMANENT_REDIRECT, 308) \
V(BAD_REQUEST, 400) \
V(UNAUTHORIZED, 401) \
V(PAYMENT_REQUIRED, 402) \
V(FORBIDDEN, 403) \
V(NOT_FOUND, 404) \
V(METHOD_NOT_ALLOWED, 405) \
V(NOT_ACCEPTABLE, 406) \
V(PROXY_AUTHENTICATION_REQUIRED, 407) \
V(REQUEST_TIMEOUT, 408) \
V(CONFLICT, 409) \
V(GONE, 410) \
V(LENGTH_REQUIRED, 411) \
V(PRECONDITION_FAILED, 412) \
V(PAYLOAD_TOO_LARGE, 413) \
V(URI_TOO_LONG, 414) \
V(UNSUPPORTED_MEDIA_TYPE, 415) \
V(RANGE_NOT_SATISFIABLE, 416) \
V(EXPECTATION_FAILED, 417) \
V(TEAPOT, 418) \
V(MISDIRECTED_REQUEST, 421) \
V(UNPROCESSABLE_ENTITY, 422) \
V(LOCKED, 423) \
V(FAILED_DEPENDENCY, 424) \
V(UNORDERED_COLLECTION, 425) \
V(UPGRADE_REQUIRED, 426) \
V(PRECONDITION_REQUIRED, 428) \
V(TOO_MANY_REQUESTS, 429) \
V(REQUEST_HEADER_FIELDS_TOO_LARGE, 431) \
V(UNAVAILABLE_FOR_LEGAL_REASONS, 451) \
V(INTERNAL_SERVER_ERROR, 500) \
V(NOT_IMPLEMENTED, 501) \
V(BAD_GATEWAY, 502) \
V(SERVICE_UNAVAILABLE, 503) \
V(GATEWAY_TIMEOUT, 504) \
V(HTTP_VERSION_NOT_SUPPORTED, 505) \
V(VARIANT_ALSO_NEGOTIATES, 506) \
V(INSUFFICIENT_STORAGE, 507) \
V(LOOP_DETECTED, 508) \
V(BANDWIDTH_LIMIT_EXCEEDED, 509) \
V(NOT_EXTENDED, 510) \
V(NETWORK_AUTHENTICATION_REQUIRED, 511)
enum http_status_codes {
#define V(name, code) HTTP_STATUS_##name = code,
HTTP_STATUS_CODES(V)
#undef V
};
// The Padding Strategy determines the method by which extra padding is
// selected for HEADERS and DATA frames. These are configurable via the
// options passed in to a Http2Session object.
enum padding_strategy_type {
// No padding strategy. This is the default.
PADDING_STRATEGY_NONE,
// Padding will ensure all data frames are maxFrameSize
PADDING_STRATEGY_MAX,
// Padding will be determined via a JS callback. Note that this can be
// expensive because the callback is called once for every DATA and
// HEADERS frame. For performance reasons, this strategy should be
// avoided.
PADDING_STRATEGY_CALLBACK
};
// These are the error codes provided by the underlying nghttp2 implementation.
#define NGHTTP2_ERROR_CODES(V) \
V(NGHTTP2_ERR_INVALID_ARGUMENT) \
V(NGHTTP2_ERR_BUFFER_ERROR) \
V(NGHTTP2_ERR_UNSUPPORTED_VERSION) \
V(NGHTTP2_ERR_WOULDBLOCK) \
V(NGHTTP2_ERR_PROTO) \
V(NGHTTP2_ERR_INVALID_FRAME) \
V(NGHTTP2_ERR_EOF) \
V(NGHTTP2_ERR_DEFERRED) \
V(NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE) \
V(NGHTTP2_ERR_STREAM_CLOSED) \
V(NGHTTP2_ERR_STREAM_CLOSING) \
V(NGHTTP2_ERR_STREAM_SHUT_WR) \
V(NGHTTP2_ERR_INVALID_STREAM_ID) \
V(NGHTTP2_ERR_INVALID_STREAM_STATE) \
V(NGHTTP2_ERR_DEFERRED_DATA_EXIST) \
V(NGHTTP2_ERR_START_STREAM_NOT_ALLOWED) \
V(NGHTTP2_ERR_GOAWAY_ALREADY_SENT) \
V(NGHTTP2_ERR_INVALID_HEADER_BLOCK) \
V(NGHTTP2_ERR_INVALID_STATE) \
V(NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE) \
V(NGHTTP2_ERR_FRAME_SIZE_ERROR) \
V(NGHTTP2_ERR_HEADER_COMP) \
V(NGHTTP2_ERR_FLOW_CONTROL) \
V(NGHTTP2_ERR_INSUFF_BUFSIZE) \
V(NGHTTP2_ERR_PAUSE) \
V(NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS) \
V(NGHTTP2_ERR_PUSH_DISABLED) \
V(NGHTTP2_ERR_DATA_EXIST) \
V(NGHTTP2_ERR_SESSION_CLOSING) \
V(NGHTTP2_ERR_HTTP_HEADER) \
V(NGHTTP2_ERR_HTTP_MESSAGING) \
V(NGHTTP2_ERR_REFUSED_STREAM) \
V(NGHTTP2_ERR_INTERNAL) \
V(NGHTTP2_ERR_CANCEL) \
V(NGHTTP2_ERR_FATAL) \
V(NGHTTP2_ERR_NOMEM) \
V(NGHTTP2_ERR_CALLBACK_FAILURE) \
V(NGHTTP2_ERR_BAD_CLIENT_MAGIC) \
V(NGHTTP2_ERR_FLOODED)
const char* nghttp2_errname(int rv) {
switch (rv) {
#define V(code) case code: return #code;
NGHTTP2_ERROR_CODES(V)
#undef V
default:
return "NGHTTP2_UNKNOWN_ERROR";
}
}
#define DEFAULT_SETTINGS_HEADER_TABLE_SIZE 4096
#define DEFAULT_SETTINGS_ENABLE_PUSH 1
#define DEFAULT_SETTINGS_INITIAL_WINDOW_SIZE 65535
#define DEFAULT_SETTINGS_MAX_FRAME_SIZE 16384
#define MAX_MAX_FRAME_SIZE 16777215
#define MIN_MAX_FRAME_SIZE DEFAULT_SETTINGS_MAX_FRAME_SIZE
#define MAX_INITIAL_WINDOW_SIZE 2147483647
// The Http2Options class is used to parse the options object passed in to
// a Http2Session object and convert those into an appropriate nghttp2_option
// struct. This is the primary mechanism by which the Http2Session object is
// configured.
class Http2Options {
public:
explicit Http2Options(Environment* env);
~Http2Options() {
nghttp2_option_del(options_);
}
nghttp2_option* operator*() const {
return options_;
}
void SetPaddingStrategy(padding_strategy_type val) {
#if DEBUG
CHECK_LE(val, PADDING_STRATEGY_CALLBACK);
#endif
padding_strategy_ = static_cast<padding_strategy_type>(val);
}
padding_strategy_type GetPaddingStrategy() {
return padding_strategy_;
}
private:
nghttp2_option* options_;
padding_strategy_type padding_strategy_ = PADDING_STRATEGY_NONE;
};
static const size_t kAllocBufferSize = 64 * 1024;
////
typedef uint32_t(*get_setting)(nghttp2_session* session,
nghttp2_settings_id id);
class Http2Session : public AsyncWrap,
public StreamBase,
public Nghttp2Session {
public:
Http2Session(Environment* env,
Local<Object> wrap,
nghttp2_session_type type) :
AsyncWrap(env, wrap, AsyncWrap::PROVIDER_HTTP2SESSION),
StreamBase(env) {
Wrap(object(), this);
Http2Options opts(env);
padding_strategy_ = opts.GetPaddingStrategy();
Init(env->event_loop(), type, *opts);
}
~Http2Session() override {
CHECK_EQ(false, persistent().IsEmpty());
ClearWrap(object());
persistent().Reset();
CHECK_EQ(true, persistent().IsEmpty());
}
static void OnStreamAllocImpl(size_t suggested_size,
uv_buf_t* buf,
void* ctx);
static void OnStreamReadImpl(ssize_t nread,
const uv_buf_t* bufs,
uv_handle_type pending,
void* ctx);
protected:
void OnFreeSession() override;
ssize_t OnMaxFrameSizePadding(size_t frameLength,
size_t maxPayloadLen);
ssize_t OnCallbackPadding(size_t frame,
size_t maxPayloadLen);
bool HasGetPaddingCallback() override {
return padding_strategy_ == PADDING_STRATEGY_MAX ||
padding_strategy_ == PADDING_STRATEGY_CALLBACK;
}
ssize_t GetPadding(size_t frameLength, size_t maxPayloadLen) override {
if (padding_strategy_ == PADDING_STRATEGY_MAX) {
return OnMaxFrameSizePadding(frameLength, maxPayloadLen);
}
#if defined(DEBUG) && DEBUG
CHECK_EQ(padding_strategy_, PADDING_STRATEGY_CALLBACK);
#endif
return OnCallbackPadding(frameLength, maxPayloadLen);
}
void OnHeaders(
Nghttp2Stream* stream,
std::queue<nghttp2_header>* headers,
nghttp2_headers_category cat,
uint8_t flags) override;
void OnStreamClose(int32_t id, uint32_t code) override;
void Send(uv_buf_t* bufs, size_t total) override;
void OnDataChunk(Nghttp2Stream* stream, uv_buf_t* chunk) override;
void OnSettings(bool ack) override;
void OnPriority(int32_t stream,
int32_t parent,
int32_t weight,
int8_t exclusive) override;
void OnGoAway(int32_t lastStreamID,
uint32_t errorCode,
uint8_t* data,
size_t length) override;
void OnFrameError(int32_t id, uint8_t type, int error_code) override;
void OnTrailers(Nghttp2Stream* stream,
const SubmitTrailers& submit_trailers) override;
void AllocateSend(size_t recommended, uv_buf_t* buf) override;
int DoWrite(WriteWrap* w, uv_buf_t* bufs, size_t count,
uv_stream_t* send_handle) override;
AsyncWrap* GetAsyncWrap() override {
return static_cast<AsyncWrap*>(this);
}
void* Cast() override {
return reinterpret_cast<void*>(this);
}
// Required for StreamBase
bool IsAlive() override {
return true;
}
// Required for StreamBase
bool IsClosing() override {
return false;
}
// Required for StreamBase
int ReadStart() override { return 0; }
// Required for StreamBase
int ReadStop() override { return 0; }
// Required for StreamBase
int DoShutdown(ShutdownWrap* req_wrap) override {
return 0;
}
public:
void Consume(Local<External> external);
void Unconsume();
static void New(const FunctionCallbackInfo<Value>& args);
static void Consume(const FunctionCallbackInfo<Value>& args);
static void Unconsume(const FunctionCallbackInfo<Value>& args);
static void Destroying(const FunctionCallbackInfo<Value>& args);
static void Destroy(const FunctionCallbackInfo<Value>& args);
static void SubmitSettings(const FunctionCallbackInfo<Value>& args);
static void SubmitRstStream(const FunctionCallbackInfo<Value>& args);
static void SubmitResponse(const FunctionCallbackInfo<Value>& args);
static void SubmitFile(const FunctionCallbackInfo<Value>& args);
static void SubmitRequest(const FunctionCallbackInfo<Value>& args);
static void SubmitPushPromise(const FunctionCallbackInfo<Value>& args);
static void SubmitPriority(const FunctionCallbackInfo<Value>& args);
static void SendHeaders(const FunctionCallbackInfo<Value>& args);
static void ShutdownStream(const FunctionCallbackInfo<Value>& args);
static void StreamWrite(const FunctionCallbackInfo<Value>& args);
static void StreamReadStart(const FunctionCallbackInfo<Value>& args);
static void StreamReadStop(const FunctionCallbackInfo<Value>& args);
static void SetNextStreamID(const FunctionCallbackInfo<Value>& args);
static void SendShutdownNotice(const FunctionCallbackInfo<Value>& args);
static void SubmitGoaway(const FunctionCallbackInfo<Value>& args);
static void DestroyStream(const FunctionCallbackInfo<Value>& args);
static void FlushData(const FunctionCallbackInfo<Value>& args);
template <get_setting fn>
static void GetSettings(const FunctionCallbackInfo<Value>& args);
size_t self_size() const override {
return sizeof(*this);
}
char* stream_alloc() {
return stream_buf_;
}
private:
StreamBase* stream_;
StreamResource::Callback<StreamResource::AllocCb> prev_alloc_cb_;
StreamResource::Callback<StreamResource::ReadCb> prev_read_cb_;
padding_strategy_type padding_strategy_ = PADDING_STRATEGY_NONE;
char stream_buf_[kAllocBufferSize];
};
class ExternalHeader :
public String::ExternalOneByteStringResource {
public:
explicit ExternalHeader(nghttp2_rcbuf* buf)
: buf_(buf), vec_(nghttp2_rcbuf_get_buf(buf)) {
}
~ExternalHeader() override {
nghttp2_rcbuf_decref(buf_);
buf_ = nullptr;
}
const char* data() const override {
return const_cast<const char*>(reinterpret_cast<char*>(vec_.base));
}
size_t length() const override {
return vec_.len;
}
static inline
MaybeLocal<String> GetInternalizedString(Environment* env,
const nghttp2_vec& vec) {
return String::NewFromOneByte(env->isolate(),
vec.base,
v8::NewStringType::kInternalized,
vec.len);
}
template<bool may_internalize>
static MaybeLocal<String> New(Environment* env, nghttp2_rcbuf* buf) {
if (nghttp2_rcbuf_is_static(buf)) {
auto& static_str_map = env->isolate_data()->http2_static_strs;
v8::Eternal<v8::String>& eternal = static_str_map[buf];
if (eternal.IsEmpty()) {
Local<String> str =
GetInternalizedString(env, nghttp2_rcbuf_get_buf(buf))
.ToLocalChecked();
eternal.Set(env->isolate(), str);
return str;
}
return eternal.Get(env->isolate());
}
nghttp2_vec vec = nghttp2_rcbuf_get_buf(buf);
if (vec.len == 0) {
nghttp2_rcbuf_decref(buf);
return String::Empty(env->isolate());
}
if (may_internalize && vec.len < 64) {
// This is a short header name, so there is a good chance V8 already has
// it internalized.
return GetInternalizedString(env, vec);
}
ExternalHeader* h_str = new ExternalHeader(buf);
MaybeLocal<String> str = String::NewExternalOneByte(env->isolate(), h_str);
if (str.IsEmpty())
delete h_str;
return str;
}
private:
nghttp2_rcbuf* buf_;
nghttp2_vec vec_;
};
class Headers {
public:
Headers(Isolate* isolate, Local<Context> context, Local<Array> headers);
~Headers() {}
nghttp2_nv* operator*() {
return reinterpret_cast<nghttp2_nv*>(*buf_);
}
size_t length() const {
return count_;
}
private:
size_t count_;
MaybeStackBuffer<char, 3000> buf_;
};
} // namespace http2
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_HTTP2_H_
|