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81 lines
2.0 KiB
C++
Executable File
81 lines
2.0 KiB
C++
Executable File
#include <node.h>
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#include <vips/vips.h>
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#include "nan.h"
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#include "common.h"
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#include "utilities.h"
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using v8::Local;
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using v8::Object;
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using v8::Number;
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using v8::String;
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using sharp::counterQueue;
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using sharp::counterProcess;
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/*
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Get and set cache memory and item limits
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*/
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NAN_METHOD(cache) {
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NanScope();
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// Set cache memory limit
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if (args[0]->IsInt32()) {
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int newMax = args[0]->Int32Value() * 1048576;
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int oldMax = vips_cache_get_max_mem();
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vips_cache_set_max_mem(newMax);
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// Notify the V8 garbage collector of delta in max cache size
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NanAdjustExternalMemory(newMax - oldMax);
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}
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// Set cache items limit
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if (args[1]->IsInt32()) {
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vips_cache_set_max(args[1]->Int32Value());
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}
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// Get cache statistics
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Local<Object> cache = NanNew<Object>();
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cache->Set(NanNew<String>("current"), NanNew<Number>(vips_tracked_get_mem() / 1048576));
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cache->Set(NanNew<String>("high"), NanNew<Number>(vips_tracked_get_mem_highwater() / 1048576));
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cache->Set(NanNew<String>("memory"), NanNew<Number>(vips_cache_get_max_mem() / 1048576));
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cache->Set(NanNew<String>("items"), NanNew<Number>(vips_cache_get_max()));
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NanReturnValue(cache);
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}
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/*
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Get and set size of thread pool
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*/
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NAN_METHOD(concurrency) {
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NanScope();
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// Set concurrency
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if (args[0]->IsInt32()) {
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vips_concurrency_set(args[0]->Int32Value());
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}
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// Get concurrency
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NanReturnValue(NanNew<Number>(vips_concurrency_get()));
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}
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/*
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Get internal counters (queued tasks, processing tasks)
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*/
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NAN_METHOD(counters) {
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NanScope();
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Local<Object> counters = NanNew<Object>();
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counters->Set(NanNew<String>("queue"), NanNew<Number>(counterQueue));
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counters->Set(NanNew<String>("process"), NanNew<Number>(counterProcess));
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NanReturnValue(counters);
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}
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/*
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Get libvips version
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*/
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NAN_METHOD(libvipsVersion) {
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NanScope();
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char version[9];
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snprintf(version, sizeof(version), "%d.%d.%d", vips_version(0), vips_version(1), vips_version(2));
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NanReturnValue(NanNew<String>(version));
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}
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