103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
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#include <nan.h>
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#include <node_object_wrap.h>
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extern "C" {
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#include <usdt.h>
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}
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#include <sys/dtrace.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#ifndef __APPLE__
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#include <stdlib.h>
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#ifndef __FreeBSD__
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#include <malloc.h>
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#endif
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#endif
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namespace node {
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using namespace v8;
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class DTraceArgument {
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public:
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virtual const char *Type() = 0;
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virtual void *ArgumentValue(v8::Local<Value>) = 0;
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virtual void FreeArgument(void *) = 0;
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virtual ~DTraceArgument() { };
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};
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class DTraceIntegerArgument : public DTraceArgument {
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public:
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const char *Type();
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void *ArgumentValue(v8::Local<Value>);
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void FreeArgument(void *);
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};
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class DTraceStringArgument : public DTraceArgument {
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public:
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const char *Type();
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void *ArgumentValue(v8::Local<Value>);
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void FreeArgument(void *);
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};
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class DTraceJsonArgument : public DTraceArgument {
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public:
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const char *Type();
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void *ArgumentValue(v8::Local<Value>);
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void FreeArgument(void *);
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DTraceJsonArgument();
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~DTraceJsonArgument();
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private:
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Nan::Persistent<Object> JSON;
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Nan::Persistent<Function> JSON_stringify;
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};
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class DTraceProbe : public Nan::ObjectWrap {
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public:
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static void Initialize(v8::Local<v8::Object> target);
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usdt_probedef_t *probedef;
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size_t argc;
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DTraceArgument *arguments[USDT_ARG_MAX];
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static NAN_METHOD(New);
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static NAN_METHOD(Fire);
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v8::Local<Value> _fire(Nan::NAN_METHOD_ARGS_TYPE, size_t);
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static Nan::Persistent<FunctionTemplate> constructor_template;
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DTraceProbe();
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~DTraceProbe();
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private:
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};
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class DTraceProvider : public Nan::ObjectWrap {
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public:
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static void Initialize(v8::Local<v8::Object> target);
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usdt_provider_t *provider;
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static NAN_METHOD(New);
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static NAN_METHOD(AddProbe);
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static NAN_METHOD(RemoveProbe);
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static NAN_METHOD(Enable);
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static NAN_METHOD(Disable);
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static NAN_METHOD(Fire);
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DTraceProvider();
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~DTraceProvider();
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private:
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static Nan::Persistent<FunctionTemplate> constructor_template;
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};
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void InitDTraceProvider(v8::Local<v8::Object> target);
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}
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