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.
94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
#include "dtrace_provider.h"
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#include <v8.h>
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#include <node.h>
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namespace node {
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using namespace v8;
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// Integer Argument
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#ifdef __x86_64__
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# define INTMETHOD ToInteger()
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#else
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# define INTMETHOD ToInt32()
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#endif
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void * DTraceIntegerArgument::ArgumentValue(Handle<Value> value) {
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if (value->IsUndefined())
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return 0;
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else
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return (void *)(long) value->INTMETHOD->Value();
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}
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void DTraceIntegerArgument::FreeArgument(void *arg) {
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}
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const char * DTraceIntegerArgument::Type() {
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return "int";
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}
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// String Argument
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void * DTraceStringArgument::ArgumentValue(Handle<Value> value) {
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if (value->IsUndefined())
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return (void *) strdup("undefined");
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String::AsciiValue str(value->ToString());
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return (void *) strdup(*str);
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}
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void DTraceStringArgument::FreeArgument(void *arg) {
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free(arg);
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}
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const char * DTraceStringArgument::Type() {
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return "char *";
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}
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// JSON Argument
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DTraceJsonArgument::DTraceJsonArgument() {
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HandleScope scope;
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Handle<Context> context = Context::GetCurrent();
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Handle<Object> global = context->Global();
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Handle<Object> l_JSON = global->Get(String::New("JSON"))->ToObject();
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Handle<Function> l_JSON_stringify
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= Handle<Function>::Cast(l_JSON->Get(String::New("stringify")));
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JSON = Persistent<Object>::New(l_JSON);
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JSON_stringify = Persistent<Function>::New(l_JSON_stringify);
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}
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DTraceJsonArgument::~DTraceJsonArgument() {
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JSON.Dispose();
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JSON_stringify.Dispose();
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}
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void * DTraceJsonArgument::ArgumentValue(Handle<Value> value) {
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HandleScope scope;
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if (value->IsUndefined())
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return (void *) strdup("undefined");
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Handle<Value> args[1];
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args[0] = value;
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Handle<Value> j = JSON_stringify->Call(JSON, 1, args);
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if (*j == NULL)
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return (void *) strdup("{ \"error\": \"stringify failed\" }");
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String::AsciiValue json(j->ToString());
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return (void *) strdup(*json);
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}
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void DTraceJsonArgument::FreeArgument(void *arg) {
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free(arg);
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}
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const char * DTraceJsonArgument::Type() {
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return "char *";
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}
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} // namespace node
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