1 /*
2 * Copyright (c) 2012 Joyent, Inc. All rights reserved.
3 */
4
5 #include <sys/types.h>
6 #include <string.h>
7 #include <new>
8 #include <unordered_map>
9 #include <stdlib.h>
10 #include <node.h>
11 #include "v8plus_impl.h"
12 #include "v8plus_glue.h"
13
14 #define METHOD_NAME_FMT "__v8plus_%s_%s"
15
16 v8::Persistent<v8::Function> v8plus::ObjectWrap::_constructor;
17 v8plus_method_descr_t *v8plus::ObjectWrap::_mtbl;
18 v8plus_static_descr_t *v8plus::ObjectWrap::_stbl;
19 std::unordered_map<void *, v8plus::ObjectWrap *> v8plus::ObjectWrap::_objhash;
20
21 static char *
22 function_name(const char *lambda)
23 {
24 char *fn;
25 size_t len;
26
27 len = snprintf(NULL, 0, METHOD_NAME_FMT,
28 v8plus_js_class_name, lambda);
29 if ((fn = (char *)malloc(len + 1)) == NULL)
30 v8plus_panic("out of memory for function name for %s", lambda);
31
32 (void) snprintf(fn, len + 1, METHOD_NAME_FMT,
33 v8plus_js_class_name, lambda);
34
35 return (fn);
36 }
37
38 void
39 v8plus::ObjectWrap::init(v8::Handle<v8::Object> target)
40 {
96 _constructor =
97 v8::Persistent<v8::Function>::New(tpl->GetFunction());
98
99 target->Set(v8::String::NewSymbol(v8plus_js_factory_name),
100 v8::FunctionTemplate::New(
101 v8plus::ObjectWrap::cons)->GetFunction());
102 }
103 }
104
105 v8::Handle<v8::Value>
106 v8plus::ObjectWrap::_new(const v8::Arguments &args)
107 {
108 v8::HandleScope scope;
109 v8plus::ObjectWrap *op = new v8plus::ObjectWrap();
110 nvlist_t *c_excp;
111 nvlist_t *c_args;
112
113 if ((c_args = v8plus::v8_Arguments_to_nvlist(args)) == NULL)
114 return (V8PLUS_THROW_DEFAULT());
115
116 c_excp = v8plus_ctor(c_args, &op->_c_impl);
117 nvlist_free(c_args);
118 if (op->_c_impl == NULL) {
119 if (c_excp == NULL) {
120 return (V8PLUS_THROW_DEFAULT());
121 } else {
122 return (V8PLUS_THROW_DECORATED(c_excp));
123 }
124 }
125
126 _objhash.insert(std::make_pair(op->_c_impl, op));
127 op->Wrap(args.This());
128
129 return (args.This());
130 }
131
132 v8plus::ObjectWrap::~ObjectWrap()
133 {
134 v8plus_dtor(_c_impl);
135 (void) _objhash.erase(_c_impl);
295 #ifdef NODE_MAKECALLBACK_RETURN
296 v =
297 #endif
298 node::MakeCallback(handle_, name, argc, argv);
299
300 return (v);
301 }
302
303 void
304 v8plus::ObjectWrap::public_Ref(void)
305 {
306 this->Ref();
307 }
308
309 void
310 v8plus::ObjectWrap::public_Unref(void)
311 {
312 this->Unref();
313 }
314
315 extern "C" void
316 init(v8::Handle<v8::Object> target)
317 {
318 v8plus::ObjectWrap::init(target);
319 }
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1 /*
2 * Copyright (c) 2012 Joyent, Inc. All rights reserved.
3 */
4
5 #include <sys/types.h>
6 #include <string.h>
7 #include <new>
8 #include <unordered_map>
9 #include <stdlib.h>
10 #include <node.h>
11 #include "v8plus_impl.h"
12 #include "v8plus_glue.h"
13
14 #define METHOD_NAME_FMT "__v8plus_%s_%s"
15
16 v8::Persistent<v8::Function> v8plus::ObjectWrap::_constructor;
17 v8plus_method_descr_t *v8plus::ObjectWrap::_mtbl;
18 v8plus_static_descr_t *v8plus::ObjectWrap::_stbl;
19 std::unordered_map<void *, v8plus::ObjectWrap *> v8plus::ObjectWrap::_objhash;
20
21 uv_async_t v8plus::ObjectWrap::_uv_async;
22 pthread_mutex_t v8plus::ObjectWrap::_callq_mutex;
23 std::queue<v8plus_async_call_t *> v8plus::ObjectWrap::_callq;
24 boolean_t v8plus::ObjectWrap::_crossthread_init_done = _B_FALSE;
25 unsigned long v8plus::ObjectWrap::_uv_event_thread;
26
27 static char *
28 function_name(const char *lambda)
29 {
30 char *fn;
31 size_t len;
32
33 len = snprintf(NULL, 0, METHOD_NAME_FMT,
34 v8plus_js_class_name, lambda);
35 if ((fn = (char *)malloc(len + 1)) == NULL)
36 v8plus_panic("out of memory for function name for %s", lambda);
37
38 (void) snprintf(fn, len + 1, METHOD_NAME_FMT,
39 v8plus_js_class_name, lambda);
40
41 return (fn);
42 }
43
44 void
45 v8plus::ObjectWrap::init(v8::Handle<v8::Object> target)
46 {
102 _constructor =
103 v8::Persistent<v8::Function>::New(tpl->GetFunction());
104
105 target->Set(v8::String::NewSymbol(v8plus_js_factory_name),
106 v8::FunctionTemplate::New(
107 v8plus::ObjectWrap::cons)->GetFunction());
108 }
109 }
110
111 v8::Handle<v8::Value>
112 v8plus::ObjectWrap::_new(const v8::Arguments &args)
113 {
114 v8::HandleScope scope;
115 v8plus::ObjectWrap *op = new v8plus::ObjectWrap();
116 nvlist_t *c_excp;
117 nvlist_t *c_args;
118
119 if ((c_args = v8plus::v8_Arguments_to_nvlist(args)) == NULL)
120 return (V8PLUS_THROW_DEFAULT());
121
122 if (_crossthread_init_done == _B_FALSE) {
123 /*
124 * Initialise structures for off-event-loop method calls.
125 *
126 * Note that uv_async_init() must be called inside the libuv
127 * Event Loop, so we do it here. We also want to record the
128 * thread ID of the Event Loop thread so as to determine what
129 * kind of method calls to make later.
130 */
131 _uv_event_thread = pthread_self();
132 if (uv_async_init(uv_default_loop(), &_uv_async,
133 v8plus_async_callback) != 0)
134 v8plus_panic("unable to initialise uv_async_t");
135 if (pthread_mutex_init(&_callq_mutex, NULL) != 0)
136 v8plus_panic("unable to initialise mutex");
137 _crossthread_init_done = _B_TRUE;
138 }
139
140 c_excp = v8plus_ctor(c_args, &op->_c_impl);
141 nvlist_free(c_args);
142 if (op->_c_impl == NULL) {
143 if (c_excp == NULL) {
144 return (V8PLUS_THROW_DEFAULT());
145 } else {
146 return (V8PLUS_THROW_DECORATED(c_excp));
147 }
148 }
149
150 _objhash.insert(std::make_pair(op->_c_impl, op));
151 op->Wrap(args.This());
152
153 return (args.This());
154 }
155
156 v8plus::ObjectWrap::~ObjectWrap()
157 {
158 v8plus_dtor(_c_impl);
159 (void) _objhash.erase(_c_impl);
319 #ifdef NODE_MAKECALLBACK_RETURN
320 v =
321 #endif
322 node::MakeCallback(handle_, name, argc, argv);
323
324 return (v);
325 }
326
327 void
328 v8plus::ObjectWrap::public_Ref(void)
329 {
330 this->Ref();
331 }
332
333 void
334 v8plus::ObjectWrap::public_Unref(void)
335 {
336 this->Unref();
337 }
338
339 boolean_t
340 v8plus::ObjectWrap::in_event_thread(void)
341 {
342 if (_crossthread_init_done != _B_TRUE)
343 v8plus_panic("cross thread call init not done!");
344
345 return (_uv_event_thread == pthread_self() ? _B_TRUE : _B_FALSE);
346 }
347
348 v8plus_async_call_t *
349 v8plus::ObjectWrap::next_async_call(void)
350 {
351 v8plus_async_call_t *ret = NULL;
352
353 if (pthread_mutex_lock(&_callq_mutex) != 0)
354 v8plus_panic("could not lock callq mutex");
355
356 if (!_callq.empty()) {
357 ret = _callq.front();
358 _callq.pop();
359 }
360
361 if (pthread_mutex_unlock(&_callq_mutex) != 0)
362 v8plus_panic("could not release callq mutex");
363
364 return (ret);
365 }
366
367 void
368 v8plus::ObjectWrap::post_async_call(v8plus_async_call_t *ac)
369 {
370 if (pthread_mutex_lock(&_callq_mutex) != 0)
371 v8plus_panic("could not lock callq mutex");
372
373 _callq.push(ac);
374
375 if (pthread_mutex_unlock(&_callq_mutex) != 0)
376 v8plus_panic("could not release callq mutex");
377
378 uv_async_send(&_uv_async);
379 }
380
381 extern "C" void
382 init(v8::Handle<v8::Object> target)
383 {
384 v8plus::ObjectWrap::init(target);
385 }
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