mirror of
https://github.com/hanzoai/node-dtrace-provider.git
synced 2026-09-23 23:48:45 +00:00
Chris Andrews
8fe1c361e1
This change adds a destructor for the DTraceArgument base class, improves handling of probe argument values, and adds tests for more argument cases.
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
#include <node.h>
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#include <node_object_wrap.h>
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#include <v8.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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#include <malloc.h>
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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(Handle<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(Handle<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(Handle<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(Handle<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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Persistent<Object> JSON;
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Persistent<Function> JSON_stringify;
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};
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class DTraceProbe : ObjectWrap {
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public:
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static void Initialize(v8::Handle<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 v8::Handle<v8::Value> New(const v8::Arguments& args);
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static v8::Handle<v8::Value> Fire(const v8::Arguments& args);
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Handle<Value> _fire(v8::Local<v8::Value>);
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static 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 : ObjectWrap {
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public:
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static void Initialize(v8::Handle<v8::Object> target);
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usdt_provider_t *provider;
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static v8::Handle<v8::Value> New(const v8::Arguments& args);
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static v8::Handle<v8::Value> AddProbe(const v8::Arguments& args);
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static v8::Handle<v8::Value> RemoveProbe(const v8::Arguments& args);
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static v8::Handle<v8::Value> Enable(const v8::Arguments& args);
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static v8::Handle<v8::Value> Disable(const v8::Arguments& args);
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static v8::Handle<v8::Value> Fire(const v8::Arguments& args);
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DTraceProvider();
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~DTraceProvider();
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private:
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static Persistent<FunctionTemplate> constructor_template;
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};
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void InitDTraceProvider(v8::Handle<v8::Object> target);
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}
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